diff options
Diffstat (limited to 'arch/arm/mach-omap2')
65 files changed, 2112 insertions, 1834 deletions
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index cd45c045ab8c..512978586b2b 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -89,14 +89,13 @@ obj-$(CONFIG_ARCH_OMAP4) += prcm.o cm2xxx_3xxx.o cminst44xx.o \ vp44xx_data.o # OMAP voltage domains -ifeq ($(CONFIG_PM),y) -voltagedomain-common := voltage.o -obj-$(CONFIG_ARCH_OMAP2) += $(voltagedomain-common) +voltagedomain-common := voltage.o vc.o vp.o +obj-$(CONFIG_ARCH_OMAP2) += $(voltagedomain-common) \ + voltagedomains2xxx_data.o obj-$(CONFIG_ARCH_OMAP3) += $(voltagedomain-common) \ voltagedomains3xxx_data.o obj-$(CONFIG_ARCH_OMAP4) += $(voltagedomain-common) \ voltagedomains44xx_data.o -endif # OMAP powerdomain framework powerdomain-common += powerdomain.o powerdomain-common.o diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c index 618216c8f742..d934169d6553 100644 --- a/arch/arm/mach-omap2/board-2430sdp.c +++ b/arch/arm/mach-omap2/board-2430sdp.c @@ -187,7 +187,8 @@ static int __init omap2430_i2c_init(void) { omap_register_i2c_bus(1, 100, sdp2430_i2c1_boardinfo, ARRAY_SIZE(sdp2430_i2c1_boardinfo)); - omap2_pmic_init("twl4030", &sdp2430_twldata); + omap_pmic_init(2, 100, "twl4030", INT_24XX_SYS_NIRQ, + &sdp2430_twldata); return 0; } @@ -243,17 +244,11 @@ static void __init omap_2430sdp_init(void) "Secondary LCD backlight"); } -static void __init omap_2430sdp_map_io(void) -{ - omap2_set_globals_243x(); - omap243x_map_common_io(); -} - MACHINE_START(OMAP_2430SDP, "OMAP2430 sdp2430 board") /* Maintainer: Syed Khasim - Texas Instruments Inc */ .boot_params = 0x80000100, .reserve = omap_reserve, - .map_io = omap_2430sdp_map_io, + .map_io = omap243x_map_io, .init_early = omap2430_init_early, .init_irq = omap2_init_irq, .init_machine = omap_2430sdp_init, diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c index ab19d305f61e..a97c29a73edd 100644 --- a/arch/arm/mach-omap2/board-4430sdp.c +++ b/arch/arm/mach-omap2/board-4430sdp.c @@ -129,7 +129,7 @@ static const int sdp4430_keymap[] = { KEY(7, 6, KEY_OK), KEY(7, 7, KEY_DOWN), }; -static struct omap_device_pad keypad_pads[] __initdata = { +static struct omap_device_pad keypad_pads[] = { { .name = "kpd_col1.kpd_col1", .enable = OMAP_WAKEUP_EN | OMAP_MUX_MODE1, }, @@ -825,17 +825,11 @@ static void __init omap_4430sdp_init(void) omap_4430sdp_display_init(); } -static void __init omap_4430sdp_map_io(void) -{ - omap2_set_globals_443x(); - omap44xx_map_common_io(); -} - MACHINE_START(OMAP_4430SDP, "OMAP4430 4430SDP board") /* Maintainer: Santosh Shilimkar - Texas Instruments Inc */ .boot_params = 0x80000100, .reserve = omap_reserve, - .map_io = omap_4430sdp_map_io, + .map_io = omap4_map_io, .init_early = omap4430_init_early, .init_irq = gic_init_irq, .init_machine = omap_4430sdp_init, diff --git a/arch/arm/mach-omap2/board-apollon.c b/arch/arm/mach-omap2/board-apollon.c index cf546f86014e..852843638fa9 100644 --- a/arch/arm/mach-omap2/board-apollon.c +++ b/arch/arm/mach-omap2/board-apollon.c @@ -337,17 +337,11 @@ static void __init omap_apollon_init(void) omap_sdrc_init(NULL, NULL); } -static void __init omap_apollon_map_io(void) -{ - omap2_set_globals_242x(); - omap242x_map_common_io(); -} - MACHINE_START(OMAP_APOLLON, "OMAP24xx Apollon") /* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */ .boot_params = 0x80000100, .reserve = omap_reserve, - .map_io = omap_apollon_map_io, + .map_io = omap242x_map_io, .init_early = omap2420_init_early, .init_irq = omap2_init_irq, .init_machine = omap_apollon_init, diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c index 4b1f6c68c358..059b74dd9289 100644 --- a/arch/arm/mach-omap2/board-devkit8000.c +++ b/arch/arm/mach-omap2/board-devkit8000.c @@ -397,11 +397,6 @@ static struct platform_device keys_gpio = { }, }; -static void __init devkit8000_init_irq(void) -{ - omap3_init_irq(); -} - #define OMAP_DM9000_BASE 0x2c000000 static struct resource omap_dm9000_resources[] = { @@ -665,7 +660,7 @@ MACHINE_START(DEVKIT8000, "OMAP3 Devkit8000") .reserve = omap_reserve, .map_io = omap3_map_io, .init_early = omap35xx_init_early, - .init_irq = devkit8000_init_irq, + .init_irq = omap3_init_irq, .init_machine = devkit8000_init, .timer = &omap3_secure_timer, MACHINE_END diff --git a/arch/arm/mach-omap2/board-flash.c b/arch/arm/mach-omap2/board-flash.c index aa1b0cbe19d2..30a6f527510c 100644 --- a/arch/arm/mach-omap2/board-flash.c +++ b/arch/arm/mach-omap2/board-flash.c @@ -148,11 +148,6 @@ __init board_nand_init(struct mtd_partition *nand_parts, board_nand_data.gpmc_irq = OMAP_GPMC_IRQ_BASE + cs; gpmc_nand_init(&board_nand_data); } -#else -void -__init board_nand_init(struct mtd_partition *nand_parts, u8 nr_parts, u8 cs, int nand_type) -{ -} #endif /* CONFIG_MTD_NAND_OMAP2 || CONFIG_MTD_NAND_OMAP2_MODULE */ /** diff --git a/arch/arm/mach-omap2/board-flash.h b/arch/arm/mach-omap2/board-flash.h index c240a3f8d163..d25503a98417 100644 --- a/arch/arm/mach-omap2/board-flash.h +++ b/arch/arm/mach-omap2/board-flash.h @@ -24,7 +24,26 @@ struct flash_partitions { int nr_parts; }; +#if defined(CONFIG_MTD_NAND_OMAP2) || \ + defined(CONFIG_MTD_NAND_OMAP2_MODULE) || \ + defined(CONFIG_MTD_ONENAND_OMAP2) || \ + defined(CONFIG_MTD_ONENAND_OMAP2_MODULE) extern void board_flash_init(struct flash_partitions [], char chip_sel[][GPMC_CS_NUM], int nand_type); +#else +static inline void board_flash_init(struct flash_partitions part[], + char chip_sel[][GPMC_CS_NUM], int nand_type) +{ +} +#endif + +#if defined(CONFIG_MTD_NAND_OMAP2) || \ + defined(CONFIG_MTD_NAND_OMAP2_MODULE) extern void board_nand_init(struct mtd_partition *nand_parts, u8 nr_parts, u8 cs, int nand_type); +#else +static inline void board_nand_init(struct mtd_partition *nand_parts, + u8 nr_parts, u8 cs, int nand_type) +{ +} +#endif diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c index 948fde010c69..8486142dcae7 100644 --- a/arch/arm/mach-omap2/board-h4.c +++ b/arch/arm/mach-omap2/board-h4.c @@ -290,11 +290,6 @@ static struct omap_board_config_kernel h4_config[] __initdata = { { OMAP_TAG_LCD, &h4_lcd_config }, }; -static void __init omap_h4_init_irq(void) -{ - omap2_init_irq(); -} - static struct at24_platform_data m24c01 = { .byte_len = SZ_1K / 8, .page_size = 16, @@ -369,19 +364,13 @@ static void __init omap_h4_init(void) h4_init_flash(); } -static void __init omap_h4_map_io(void) -{ - omap2_set_globals_242x(); - omap242x_map_common_io(); -} - MACHINE_START(OMAP_H4, "OMAP2420 H4 board") /* Maintainer: Paul Mundt <paul.mundt@nokia.com> */ .boot_params = 0x80000100, .reserve = omap_reserve, - .map_io = omap_h4_map_io, + .map_io = omap242x_map_io, .init_early = omap2420_init_early, - .init_irq = omap_h4_init_irq, + .init_irq = omap2_init_irq, .init_machine = omap_h4_init, .timer = &omap2_timer, MACHINE_END diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c index 77a4e19222e2..d1f4a0292c42 100644 --- a/arch/arm/mach-omap2/board-n8x0.c +++ b/arch/arm/mach-omap2/board-n8x0.c @@ -616,12 +616,6 @@ static struct i2c_board_info n810_i2c_board_info_2[] __initdata = { }, }; -static void __init n8x0_map_io(void) -{ - omap2_set_globals_242x(); - omap242x_map_common_io(); -} - #ifdef CONFIG_OMAP_MUX static struct omap_board_mux board_mux[] __initdata = { /* I2S codec port pins for McBSP block */ @@ -692,7 +686,7 @@ static void __init n8x0_init_machine(void) MACHINE_START(NOKIA_N800, "Nokia N800") .boot_params = 0x80000100, .reserve = omap_reserve, - .map_io = n8x0_map_io, + .map_io = omap242x_map_io, .init_early = omap2420_init_early, .init_irq = omap2_init_irq, .init_machine = n8x0_init_machine, @@ -702,7 +696,7 @@ MACHINE_END MACHINE_START(NOKIA_N810, "Nokia N810") .boot_params = 0x80000100, .reserve = omap_reserve, - .map_io = n8x0_map_io, + .map_io = omap242x_map_io, .init_early = omap2420_init_early, .init_irq = omap2_init_irq, .init_machine = n8x0_init_machine, @@ -712,7 +706,7 @@ MACHINE_END MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX") .boot_params = 0x80000100, .reserve = omap_reserve, - .map_io = n8x0_map_io, + .map_io = omap242x_map_io, .init_early = omap2420_init_early, .init_irq = omap2_init_irq, .init_machine = n8x0_init_machine, diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c index ce3234d6a344..e085371eb494 100644 --- a/arch/arm/mach-omap2/board-omap3beagle.c +++ b/arch/arm/mach-omap2/board-omap3beagle.c @@ -449,11 +449,6 @@ static void __init omap3_beagle_init_early(void) omap2_init_common_infrastructure(); } -static void __init omap3_beagle_init_irq(void) -{ - omap3_init_irq(); -} - static struct platform_device *omap3_beagle_devices[] __initdata = { &leds_gpio, &keys_gpio, @@ -561,7 +556,7 @@ MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board") .reserve = omap_reserve, .map_io = omap3_map_io, .init_early = omap3_beagle_init_early, - .init_irq = omap3_beagle_init_irq, + .init_irq = omap3_init_irq, .init_machine = omap3_beagle_init, .timer = &omap3_secure_timer, MACHINE_END diff --git a/arch/arm/mach-omap2/board-omap3stalker.c b/arch/arm/mach-omap2/board-omap3stalker.c index 807c27406792..fa58a0f1584a 100644 --- a/arch/arm/mach-omap2/board-omap3stalker.c +++ b/arch/arm/mach-omap2/board-omap3stalker.c @@ -428,11 +428,6 @@ static int __init omap3_stalker_i2c_init(void) static struct omap_board_config_kernel omap3_stalker_config[] __initdata = { }; -static void __init omap3_stalker_init_irq(void) -{ - omap3_init_irq(); -} - static struct platform_device *omap3_stalker_devices[] __initdata = { &keys_gpio, }; @@ -492,7 +487,7 @@ MACHINE_START(SBC3530, "OMAP3 STALKER") .boot_params = 0x80000100, .map_io = omap3_map_io, .init_early = omap35xx_init_early, - .init_irq = omap3_stalker_init_irq, + .init_irq = omap3_init_irq, .init_machine = omap3_stalker_init, .timer = &omap3_secure_timer, MACHINE_END diff --git a/arch/arm/mach-omap2/board-omap3touchbook.c b/arch/arm/mach-omap2/board-omap3touchbook.c index f7f18092f36d..05488fbc20d5 100644 --- a/arch/arm/mach-omap2/board-omap3touchbook.c +++ b/arch/arm/mach-omap2/board-omap3touchbook.c @@ -326,11 +326,6 @@ static struct omap_board_mux board_mux[] __initdata = { }; #endif -static void __init omap3_touchbook_init_irq(void) -{ - omap3_init_irq(); -} - static struct platform_device *omap3_touchbook_devices[] __initdata = { &omap3_touchbook_lcd_device, &leds_gpio, @@ -403,7 +398,7 @@ MACHINE_START(TOUCHBOOK, "OMAP3 touchbook Board") .reserve = omap_reserve, .map_io = omap3_map_io, .init_early = omap3430_init_early, - .init_irq = omap3_touchbook_init_irq, + .init_irq = omap3_init_irq, .init_machine = omap3_touchbook_init, .timer = &omap3_secure_timer, MACHINE_END diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c index 1bce76589784..e26929049a4d 100644 --- a/arch/arm/mach-omap2/board-omap4panda.c +++ b/arch/arm/mach-omap2/board-omap4panda.c @@ -570,17 +570,11 @@ static void __init omap4_panda_init(void) omap4_panda_display_init(); } -static void __init omap4_panda_map_io(void) -{ - omap2_set_globals_443x(); - omap44xx_map_common_io(); -} - MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board") /* Maintainer: David Anders - Texas Instruments Inc */ .boot_params = 0x80000100, .reserve = omap_reserve, - .map_io = omap4_panda_map_io, + .map_io = omap4_map_io, .init_early = omap4430_init_early, .init_irq = gic_init_irq, .init_machine = omap4_panda_init, diff --git a/arch/arm/mach-omap2/board-rm680.c b/arch/arm/mach-omap2/board-rm680.c index a3182e846b14..a98db616e0d4 100644 --- a/arch/arm/mach-omap2/board-rm680.c +++ b/arch/arm/mach-omap2/board-rm680.c @@ -143,16 +143,10 @@ static void __init rm680_init(void) rm680_peripherals_init(); } -static void __init rm680_map_io(void) -{ - omap2_set_globals_3xxx(); - omap34xx_map_common_io(); -} - MACHINE_START(NOKIA_RM680, "Nokia RM-680 board") .boot_params = 0x80000100, .reserve = omap_reserve, - .map_io = rm680_map_io, + .map_io = omap3_map_io, .init_early = omap3630_init_early, .init_irq = omap3_init_irq, .init_machine = rm680_init, diff --git a/arch/arm/mach-omap2/board-rx51.c b/arch/arm/mach-omap2/board-rx51.c index 32a79e28379c..8677a06aa4a7 100644 --- a/arch/arm/mach-omap2/board-rx51.c +++ b/arch/arm/mach-omap2/board-rx51.c @@ -139,12 +139,6 @@ static void __init rx51_init(void) platform_device_register(&leds_gpio); } -static void __init rx51_map_io(void) -{ - omap2_set_globals_3xxx(); - omap34xx_map_common_io(); -} - static void __init rx51_reserve(void) { rx51_video_mem_init(); @@ -155,7 +149,7 @@ MACHINE_START(NOKIA_RX51, "Nokia RX-51 board") /* Maintainer: Lauri Leukkunen <lauri.leukkunen@nokia.com> */ .boot_params = 0x80000100, .reserve = rx51_reserve, - .map_io = rx51_map_io, + .map_io = omap3_map_io, .init_early = omap3430_init_early, .init_irq = omap3_init_irq, .init_machine = rx51_init, diff --git a/arch/arm/mach-omap2/common.c b/arch/arm/mach-omap2/common.c index 3f20cbb9967b..de61f15c48e2 100644 --- a/arch/arm/mach-omap2/common.c +++ b/arch/arm/mach-omap2/common.c @@ -56,6 +56,12 @@ void __init omap2_set_globals_242x(void) { __omap2_set_globals(&omap242x_globals); } + +void __init omap242x_map_io(void) +{ + omap2_set_globals_242x(); + omap242x_map_common_io(); +} #endif #if defined(CONFIG_SOC_OMAP2430) @@ -74,6 +80,12 @@ void __init omap2_set_globals_243x(void) { __omap2_set_globals(&omap243x_globals); } + +void __init omap243x_map_io(void) +{ + omap2_set_globals_243x(); + omap243x_map_common_io(); +} #endif #if defined(CONFIG_ARCH_OMAP3) @@ -138,5 +150,11 @@ void __init omap2_set_globals_443x(void) omap2_set_globals_control(&omap4_globals); omap2_set_globals_prcm(&omap4_globals); } + +void __init omap4_map_io(void) +{ + omap2_set_globals_443x(); + omap44xx_map_common_io(); +} #endif diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index 1077ad663f93..10adf66be7ba 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c @@ -44,7 +44,7 @@ static int __init omap3_l3_init(void) { int l; struct omap_hwmod *oh; - struct omap_device *od; + struct platform_device *pdev; char oh_name[L3_MODULES_MAX_LEN]; /* @@ -61,12 +61,12 @@ static int __init omap3_l3_init(void) if (!oh) pr_err("could not look up %s\n", oh_name); - od = omap_device_build("omap_l3_smx", 0, oh, NULL, 0, + pdev = omap_device_build("omap_l3_smx", 0, oh, NULL, 0, NULL, 0, 0); - WARN(IS_ERR(od), "could not build omap_device for %s\n", oh_name); + WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name); - return IS_ERR(od) ? PTR_ERR(od) : 0; + return IS_ERR(pdev) ? PTR_ERR(pdev) : 0; } postcore_initcall(omap3_l3_init); @@ -74,7 +74,7 @@ static int __init omap4_l3_init(void) { int l, i; struct omap_hwmod *oh[3]; - struct omap_device *od; + struct platform_device *pdev; char oh_name[L3_MODULES_MAX_LEN]; /* @@ -92,12 +92,12 @@ static int __init omap4_l3_init(void) pr_err("could not look up %s\n", oh_name); } - od = omap_device_build_ss("omap_l3_noc", 0, oh, 3, NULL, + pdev = omap_device_build_ss("omap_l3_noc", 0, oh, 3, NULL, 0, NULL, 0, 0); - WARN(IS_ERR(od), "could not build omap_device for %s\n", oh_name); + WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name); - return IS_ERR(od) ? PTR_ERR(od) : 0; + return IS_ERR(pdev) ? PTR_ERR(pdev) : 0; } postcore_initcall(omap4_l3_init); @@ -232,7 +232,7 @@ struct omap_device_pm_latency omap_keyboard_latency[] = { int __init omap4_keyboard_init(struct omap4_keypad_platform_data *sdp4430_keypad_data, struct omap_board_data *bdata) { - struct omap_device *od; + struct platform_device *pdev; struct omap_hwmod *oh; struct omap4_keypad_platform_data *keypad_data; unsigned int id = -1; @@ -247,15 +247,15 @@ int __init omap4_keyboard_init(struct omap4_keypad_platform_data keypad_data = sdp4430_keypad_data; - od = omap_device_build(name, id, oh, keypad_data, + pdev = omap_device_build(name, id, oh, keypad_data, sizeof(struct omap4_keypad_platform_data), omap_keyboard_latency, ARRAY_SIZE(omap_keyboard_latency), 0); - if (IS_ERR(od)) { + if (IS_ERR(pdev)) { WARN(1, "Can't build omap_device for %s:%s.\n", name, oh->name); - return PTR_ERR(od); + return PTR_ERR(pdev); } oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt); @@ -274,7 +274,7 @@ static struct omap_device_pm_latency mbox_latencies[] = { static inline void omap_init_mbox(void) { struct omap_hwmod *oh; - struct omap_device *od; + struct platform_device *pdev; oh = omap_hwmod_lookup("mailbox"); if (!oh) { @@ -282,10 +282,10 @@ static inline void omap_init_mbox(void) return; } - od = omap_device_build("omap-mailbox", -1, oh, NULL, 0, + pdev = omap_device_build("omap-mailbox", -1, oh, NULL, 0, mbox_latencies, ARRAY_SIZE(mbox_latencies), 0); - WARN(IS_ERR(od), "%s: could not build device, err %ld\n", - __func__, PTR_ERR(od)); + WARN(IS_ERR(pdev), "%s: could not build device, err %ld\n", + __func__, PTR_ERR(pdev)); } #else static inline void omap_init_mbox(void) { } @@ -344,7 +344,7 @@ struct omap_device_pm_latency omap_mcspi_latency[] = { static int omap_mcspi_init(struct omap_hwmod *oh, void *unused) { - struct omap_device *od; + struct platform_device *pdev; char *name = "omap2_mcspi"; struct omap2_mcspi_platform_config *pdata; static int spi_num; @@ -371,10 +371,10 @@ static int omap_mcspi_init(struct omap_hwmod *oh, void *unused) } spi_num++; - od = omap_device_build(name, spi_num, oh, pdata, + pdev = omap_device_build(name, spi_num, oh, pdata, sizeof(*pdata), omap_mcspi_latency, ARRAY_SIZE(omap_mcspi_latency), 0); - WARN(IS_ERR(od), "Can't build omap_device for %s:%s\n", + WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s\n", name, oh->name); kfree(pdata); return 0; @@ -709,7 +709,7 @@ static struct omap_device_pm_latency omap_wdt_latency[] = { static int __init omap_init_wdt(void) { int id = -1; - struct omap_device *od; + struct platform_device *pdev; struct omap_hwmod *oh; char *oh_name = "wd_timer2"; char *dev_name = "omap_wdt"; @@ -723,10 +723,10 @@ static int __init omap_init_wdt(void) return -EINVAL; } - od = omap_device_build(dev_name, id, oh, NULL, 0, + pdev = omap_device_build(dev_name, id, oh, NULL, 0, omap_wdt_latency, ARRAY_SIZE(omap_wdt_latency), 0); - WARN(IS_ERR(od), "Can't build omap_device for %s:%s.\n", + WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s.\n", dev_name, oh->name); return 0; } diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c index a5b7a236aa5b..18693f6de041 100644 --- a/arch/arm/mach-omap2/display.c +++ b/arch/arm/mach-omap2/display.c @@ -78,7 +78,7 @@ int __init omap_display_init(struct omap_dss_board_info *board_data) { int r = 0; struct omap_hwmod *oh; - struct omap_device *od; + struct platform_device *pdev; int i, oh_count; struct omap_display_platform_data pdata; const struct omap_dss_hwmod_data *curr_dss_hwmod; @@ -108,13 +108,13 @@ int __init omap_display_init(struct omap_dss_board_info *board_data) return -ENODEV; } - od = omap_device_build(curr_dss_hwmod[i].dev_name, + pdev = omap_device_build(curr_dss_hwmod[i].dev_name, curr_dss_hwmod[i].id, oh, &pdata, sizeof(struct omap_display_platform_data), omap_dss_latency, ARRAY_SIZE(omap_dss_latency), 0); - if (WARN((IS_ERR(od)), "Could not build omap_device for %s\n", + if (WARN((IS_ERR(pdev)), "Could not build omap_device for %s\n", curr_dss_hwmod[i].oh_name)) return -ENODEV; } diff --git a/arch/arm/mach-omap2/dma.c b/arch/arm/mach-omap2/dma.c index c9ff0e79703d..ae8cb3fb1830 100644 --- a/arch/arm/mach-omap2/dma.c +++ b/arch/arm/mach-omap2/dma.c @@ -228,7 +228,7 @@ static u32 configure_dma_errata(void) /* One time initializations */ static int __init omap2_system_dma_init_dev(struct omap_hwmod *oh, void *unused) { - struct omap_device *od; + struct platform_device *pdev; struct omap_system_dma_plat_info *p; struct resource *mem; char *name = "omap_dma_system"; @@ -258,23 +258,23 @@ static int __init omap2_system_dma_init_dev(struct omap_hwmod *oh, void *unused) p->errata = configure_dma_errata(); - od = omap_device_build(name, 0, oh, p, sizeof(*p), + pdev = omap_device_build(name, 0, oh, p, sizeof(*p), omap2_dma_latency, ARRAY_SIZE(omap2_dma_latency), 0); kfree(p); - if (IS_ERR(od)) { + if (IS_ERR(pdev)) { pr_err("%s: Can't build omap_device for %s:%s.\n", __func__, name, oh->name); - return PTR_ERR(od); + return PTR_ERR(pdev); } - mem = platform_get_resource(&od->pdev, IORESOURCE_MEM, 0); + mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!mem) { - dev_err(&od->pdev.dev, "%s: no mem resource\n", __func__); + dev_err(&pdev->dev, "%s: no mem resource\n", __func__); return -EINVAL; } dma_base = ioremap(mem->start, resource_size(mem)); if (!dma_base) { - dev_err(&od->pdev.dev, "%s: ioremap fail\n", __func__); + dev_err(&pdev->dev, "%s: ioremap fail\n", __func__); return -ENOMEM; } @@ -283,7 +283,7 @@ static int __init omap2_system_dma_init_dev(struct omap_hwmod *oh, void *unused) (d->lch_count), GFP_KERNEL); if (!d->chan) { - dev_err(&od->pdev.dev, "%s: kzalloc fail\n", __func__); + dev_err(&pdev->dev, "%s: kzalloc fail\n", __func__); return -ENOMEM; } return 0; diff --git a/arch/arm/mach-omap2/gpio.c b/arch/arm/mach-omap2/gpio.c index 2765cdc3152d..652ccc574196 100644 --- a/arch/arm/mach-omap2/gpio.c +++ b/arch/arm/mach-omap2/gpio.c @@ -34,7 +34,7 @@ static struct omap_device_pm_latency omap_gpio_latency[] = { static int omap2_gpio_dev_init(struct omap_hwmod *oh, void *unused) { - struct omap_device *od; + struct platform_device *pdev; struct omap_gpio_platform_data *pdata; struct omap_gpio_dev_attr *dev_attr; char *name = "omap_gpio"; @@ -107,19 +107,19 @@ static int omap2_gpio_dev_init(struct omap_hwmod *oh, void *unused) return -EINVAL; } - od = omap_device_build(name, id - 1, oh, pdata, + pdev = omap_device_build(name, id - 1, oh, pdata, sizeof(*pdata), omap_gpio_latency, ARRAY_SIZE(omap_gpio_latency), false); kfree(pdata); - if (IS_ERR(od)) { + if (IS_ERR(pdev)) { WARN(1, "Can't build omap_device for %s:%s.\n", name, oh->name); - return PTR_ERR(od); + return PTR_ERR(pdev); } - omap_device_disable_idle_on_suspend(od); + omap_device_disable_idle_on_suspend(pdev); gpio_bank_count++; return 0; diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c index a9b45c76e1d3..2dc002a388b3 100644 --- a/arch/arm/mach-omap2/hsmmc.c +++ b/arch/arm/mach-omap2/hsmmc.c @@ -137,8 +137,7 @@ static void omap4_hsmmc1_before_set_reg(struct device *dev, int slot, */ reg = omap4_ctrl_pad_readl(control_pbias_offset); reg &= ~(OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK | - OMAP4_MMC1_PWRDNZ_MASK | - OMAP4_USBC1_ICUSB_PWRDNZ_MASK); + OMAP4_MMC1_PWRDNZ_MASK); omap4_ctrl_pad_writel(reg, control_pbias_offset); } @@ -156,8 +155,7 @@ static void omap4_hsmmc1_after_set_reg(struct device *dev, int slot, else reg |= OMAP4_MMC1_PBIASLITE_VMODE_MASK; reg |= (OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK | - OMAP4_MMC1_PWRDNZ_MASK | - OMAP4_USBC1_ICUSB_PWRDNZ_MASK); + OMAP4_MMC1_PWRDNZ_MASK); omap4_ctrl_pad_writel(reg, control_pbias_offset); timeout = jiffies + msecs_to_jiffies(5); @@ -171,16 +169,14 @@ static void omap4_hsmmc1_after_set_reg(struct device *dev, int slot, if (reg & OMAP4_MMC1_PBIASLITE_VMODE_ERROR_MASK) { pr_err("Pbias Voltage is not same as LDO\n"); /* Caution : On VMODE_ERROR Power Down MMC IO */ - reg &= ~(OMAP4_MMC1_PWRDNZ_MASK | - OMAP4_USBC1_ICUSB_PWRDNZ_MASK); + reg &= ~(OMAP4_MMC1_PWRDNZ_MASK); omap4_ctrl_pad_writel(reg, control_pbias_offset); } } else { reg = omap4_ctrl_pad_readl(control_pbias_offset); reg |= (OMAP4_MMC1_PBIASLITE_PWRDNZ_MASK | OMAP4_MMC1_PWRDNZ_MASK | - OMAP4_MMC1_PBIASLITE_VMODE_MASK | - OMAP4_USBC1_ICUSB_PWRDNZ_MASK); + OMAP4_MMC1_PBIASLITE_VMODE_MASK); omap4_ctrl_pad_writel(reg, control_pbias_offset); } } @@ -430,7 +426,7 @@ static struct omap_device_pm_latency omap_hsmmc_latency[] = { void __init omap_init_hsmmc(struct omap2_hsmmc_info *hsmmcinfo, int ctrl_nr) { struct omap_hwmod *oh; - struct omap_device *od; + struct platform_device *pdev; struct omap_device_pm_latency *ohl; char oh_name[MAX_OMAP_MMC_HWMOD_NAME_LEN]; struct omap_mmc_platform_data *mmc_data; @@ -471,9 +467,9 @@ void __init omap_init_hsmmc(struct omap2_hsmmc_info *hsmmcinfo, int ctrl_nr) mmc_data->controller_flags = mmc_dev_attr->flags; } - od = omap_device_build(name, ctrl_nr - 1, oh, mmc_data, + pdev = omap_device_build(name, ctrl_nr - 1, oh, mmc_data, sizeof(struct omap_mmc_platform_data), ohl, ohl_cnt, false); - if (IS_ERR(od)) { + if (IS_ERR(pdev)) { WARN(1, "Can't build omap_device for %s:%s.\n", name, oh->name); kfree(mmc_data->slots[0].name); goto done; @@ -482,7 +478,7 @@ void __init omap_init_hsmmc(struct omap2_hsmmc_info *hsmmcinfo, int ctrl_nr) * return device handle to board setup code * required to populate for regulator framework structure */ - hsmmcinfo->dev = &od->pdev.dev; + hsmmcinfo->dev = &pdev->dev; done: kfree(mmc_data); diff --git a/arch/arm/mach-omap2/hwspinlock.c b/arch/arm/mach-omap2/hwspinlock.c index 06d4a80660a5..0b3ae9d9c3b3 100644 --- a/arch/arm/mach-omap2/hwspinlock.c +++ b/arch/arm/mach-omap2/hwspinlock.c @@ -35,7 +35,7 @@ int __init hwspinlocks_init(void) { int retval = 0; struct omap_hwmod *oh; - struct omap_device *od; + struct platform_device *pdev; const char *oh_name = "spinlock"; const char *dev_name = "omap_hwspinlock"; @@ -48,13 +48,13 @@ int __init hwspinlocks_init(void) if (oh == NULL) return -EINVAL; - od = omap_device_build(dev_name, 0, oh, NULL, 0, + pdev = omap_device_build(dev_name, 0, oh, NULL, 0, omap_spinlock_latency, ARRAY_SIZE(omap_spinlock_latency), false); - if (IS_ERR(od)) { + if (IS_ERR(pdev)) { pr_err("Can't build omap_device for %s:%s\n", dev_name, oh_name); - retval = PTR_ERR(od); + retval = PTR_ERR(pdev); } return retval; diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index 1a13b7916554..15f91c42be66 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -38,6 +38,7 @@ #include "io.h" #include <plat/omap-pm.h> +#include "voltage.h" #include "powerdomain.h" #include "clockdomain.h" @@ -341,18 +342,22 @@ void __init omap2_init_common_infrastructure(void) u8 postsetup_state; if (cpu_is_omap242x()) { + omap2xxx_voltagedomains_init(); omap242x_powerdomains_init(); omap242x_clockdomains_init(); omap2420_hwmod_init(); } else if (cpu_is_omap243x()) { + omap2xxx_voltagedomains_init(); omap243x_powerdomains_init(); omap243x_clockdomains_init(); omap2430_hwmod_init(); } else if (cpu_is_omap34xx()) { + omap3xxx_voltagedomains_init(); omap3xxx_powerdomains_init(); omap3xxx_clockdomains_init(); omap3xxx_hwmod_init(); } else if (cpu_is_omap44xx()) { + omap44xx_voltagedomains_init(); omap44xx_powerdomains_init(); omap44xx_clockdomains_init(); omap44xx_hwmod_init(); diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c index 3a12f7586a4c..65f1be6a182c 100644 --- a/arch/arm/mach-omap2/irq.c +++ b/arch/arm/mach-omap2/irq.c @@ -165,8 +165,8 @@ static void __init omap_init_irq(u32 base, int nr_irqs) omap_irq_bank_init_one(bank); - for (i = 0, j = 0; i < bank->nr_irqs; i += 32, j += 0x20) - omap_alloc_gc(bank->base_reg + j, i, 32); + for (j = 0; j < bank->nr_irqs; j += 32) + omap_alloc_gc(bank->base_reg + j, j, 32); nr_of_irqs += bank->nr_irqs; nr_banks++; diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c index 4a6ef6ab8458..5063f253c4b9 100644 --- a/arch/arm/mach-omap2/mcbsp.c +++ b/arch/arm/mach-omap2/mcbsp.c @@ -27,66 +27,69 @@ #include "control.h" -/* McBSP internal signal muxing functions */ +/* + * FIXME: Find a mechanism to enable/disable runtime the McBSP ICLK autoidle. + * Sidetone needs non-gated ICLK and sidetone autoidle is broken. + */ +#include "cm2xxx_3xxx.h" +#include "cm-regbits-34xx.h" -void omap2_mcbsp1_mux_clkr_src(u8 mux) +/* McBSP internal signal muxing function */ +static int omap2_mcbsp1_mux_rx_clk(struct device *dev, const char *signal, + const char *src) { u32 v; v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); - if (mux == CLKR_SRC_CLKR) - v &= ~OMAP2_MCBSP1_CLKR_MASK; - else if (mux == CLKR_SRC_CLKX) - v |= OMAP2_MCBSP1_CLKR_MASK; - omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0); -} -EXPORT_SYMBOL(omap2_mcbsp1_mux_clkr_src); -void omap2_mcbsp1_mux_fsr_src(u8 mux) -{ - u32 v; + if (!strcmp(signal, "clkr")) { + if (!strcmp(src, "clkr")) + v &= ~OMAP2_MCBSP1_CLKR_MASK; + else if (!strcmp(src, "clkx")) + v |= OMAP2_MCBSP1_CLKR_MASK; + else + return -EINVAL; + } else if (!strcmp(signal, "fsr")) { + if (!strcmp(src, "fsr")) + v &= ~OMAP2_MCBSP1_FSR_MASK; + else if (!strcmp(src, "fsx")) + v |= OMAP2_MCBSP1_FSR_MASK; + else + return -EINVAL; + } else { + return -EINVAL; + } - v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); - if (mux == FSR_SRC_FSR) - v &= ~OMAP2_MCBSP1_FSR_MASK; - else if (mux == FSR_SRC_FSX) - v |= OMAP2_MCBSP1_FSR_MASK; omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0); + + return 0; } -EXPORT_SYMBOL(omap2_mcbsp1_mux_fsr_src); /* McBSP CLKS source switching function */ - -int omap2_mcbsp_set_clks_src(u8 id, u8 fck_src_id) +static int omap2_mcbsp_set_clk_src(struct device *dev, struct clk *clk, + const char *src) { - struct omap_mcbsp *mcbsp; struct clk *fck_src; char *fck_src_name; int r; - if (!omap_mcbsp_check_valid_id(id)) { - pr_err("%s: Invalid id (%d)\n", __func__, id + 1); - return -EINVAL; - } - mcbsp = id_to_mcbsp_ptr(id); - - if (fck_src_id == MCBSP_CLKS_PAD_SRC) + if (!strcmp(src, "clks_ext")) fck_src_name = "pad_fck"; - else if (fck_src_id == MCBSP_CLKS_PRCM_SRC) + else if (!strcmp(src, "clks_fclk")) fck_src_name = "prcm_fck"; else return -EINVAL; - fck_src = clk_get(mcbsp->dev, fck_src_name); + fck_src = clk_get(dev, fck_src_name); if (IS_ERR_OR_NULL(fck_src)) { pr_err("omap-mcbsp: %s: could not clk_get() %s\n", "clks", fck_src_name); return -EINVAL; } - pm_runtime_put_sync(mcbsp->dev); + pm_runtime_put_sync(dev); - r = clk_set_parent(mcbsp->fclk, fck_src); + r = clk_set_parent(clk, fck_src); if (IS_ERR_VALUE(r)) { pr_err("omap-mcbsp: %s: could not clk_set_parent() to %s\n", "clks", fck_src_name); @@ -94,13 +97,30 @@ int omap2_mcbsp_set_clks_src(u8 id, u8 fck_src_id) return -EINVAL; } - pm_runtime_get_sync(mcbsp->dev); + pm_runtime_get_sync(dev); clk_put(fck_src); return 0; } -EXPORT_SYMBOL(omap2_mcbsp_set_clks_src); + +static int omap3_enable_st_clock(unsigned int id, bool enable) +{ + unsigned int w; + + /* + * Sidetone uses McBSP ICLK - which must not idle when sidetones + * are enabled or sidetones start sounding ugly. + */ + w = omap2_cm_read_mod_reg(OMAP3430_PER_MOD, CM_AUTOIDLE); + if (enable) + w &= ~(1 << (id - 2)); + else + w |= 1 << (id - 2); + omap2_cm_write_mod_reg(w, OMAP3430_PER_MOD, CM_AUTOIDLE); + + return 0; +} struct omap_device_pm_latency omap2_mcbsp_latency[] = { { @@ -116,7 +136,7 @@ static int omap_init_mcbsp(struct omap_hwmod *oh, void *unused) char *name = "omap-mcbsp"; struct omap_hwmod *oh_device[2]; struct omap_mcbsp_platform_data *pdata = NULL; - struct omap_device *od; + struct platform_device *pdev; sscanf(oh->name, "mcbsp%d", &id); @@ -126,7 +146,13 @@ static int omap_init_mcbsp(struct omap_hwmod *oh, void *unused) return -ENOMEM; } - pdata->mcbsp_config_type = oh->class->rev; + pdata->reg_step = 4; + if (oh->class->rev < MCBSP_CONFIG_TYPE2) { + pdata->reg_size = 2; + } else { + pdata->reg_size = 4; + pdata->has_ccr = true; + } if (oh->class->rev == MCBSP_CONFIG_TYPE3) { if (id == 2) @@ -137,22 +163,29 @@ static int omap_init_mcbsp(struct omap_hwmod *oh, void *unused) pdata->buffer_size = 0x80; } + if (oh->class->rev >= MCBSP_CONFIG_TYPE3) + pdata->has_wakeup = true; + oh_device[0] = oh; if (oh->dev_attr) { oh_device[1] = omap_hwmod_lookup(( (struct omap_mcbsp_dev_attr *)(oh->dev_attr))->sidetone); + pdata->enable_st_clock = omap3_enable_st_clock; count++; } - od = omap_device_build_ss(name, id, oh_device, count, pdata, + pdev = omap_device_build_ss(name, id, oh_device, count, pdata, sizeof(*pdata), omap2_mcbsp_latency, ARRAY_SIZE(omap2_mcbsp_latency), false); kfree(pdata); - if (IS_ERR(od)) { + if (IS_ERR(pdev)) { pr_err("%s: Can't build omap_device for %s:%s.\n", __func__, name, oh->name); - return PTR_ERR(od); + return PTR_ERR(pdev); } + pdata->set_clk_src = omap2_mcbsp_set_clk_src; + if (id == 1) + pdata->mux_signal = omap2_mcbsp1_mux_rx_clk; omap_mcbsp_count++; return 0; } diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index 2e4852d9574f..3008e1672c7a 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -2569,7 +2569,7 @@ static struct omap_hwmod omap34xx_sr1_hwmod = { .name = "sr1_hwmod", .class = &omap34xx_smartreflex_hwmod_class, .main_clk = "sr1_fck", - .vdd_name = "mpu", + .vdd_name = "mpu_iva", .prcm = { .omap2 = { .prcm_reg_id = 1, @@ -2588,7 +2588,7 @@ static struct omap_hwmod omap36xx_sr1_hwmod = { .name = "sr1_hwmod", .class = &omap36xx_smartreflex_hwmod_class, .main_clk = "sr1_fck", - .vdd_name = "mpu", + .vdd_name = "mpu_iva", .prcm = { .omap2 = { .prcm_reg_id = 1, diff --git a/arch/arm/mach-omap2/omap_l3_noc.c b/arch/arm/mach-omap2/omap_l3_noc.c index 7b9f1909ddb2..07a3d3ede768 100644 --- a/arch/arm/mach-omap2/omap_l3_noc.c +++ b/arch/arm/mach-omap2/omap_l3_noc.c @@ -1,25 +1,25 @@ /* - * OMAP4XXX L3 Interconnect error handling driver - * - * Copyright (C) 2011 Texas Corporation - * Santosh Shilimkar <santosh.shilimkar@ti.com> - * Sricharan <r.sricharan@ti.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - * USA - */ + * OMAP4XXX L3 Interconnect error handling driver + * + * Copyright (C) 2011 Texas Corporation + * Santosh Shilimkar <santosh.shilimkar@ti.com> + * Sricharan <r.sricharan@ti.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ #include <linux/init.h> #include <linux/io.h> #include <linux/platform_device.h> @@ -55,12 +55,12 @@ static irqreturn_t l3_interrupt_handler(int irq, void *_l3) { - struct omap4_l3 *l3 = _l3; - int inttype, i, j; + struct omap4_l3 *l3 = _l3; + int inttype, i, k; int err_src = 0; - u32 std_err_main_addr, std_err_main, err_reg; - u32 base, slave_addr, clear; - char *source_name; + u32 std_err_main, err_reg, clear, masterid; + void __iomem *base, *l3_targ_base; + char *target_name, *master_name = "UN IDENTIFIED"; /* Get the Type of interrupt */ inttype = irq == l3->app_irq ? L3_APPLICATION_ERROR : L3_DEBUG_ERROR; @@ -70,43 +70,50 @@ static irqreturn_t l3_interrupt_handler(int irq, void *_l3) * Read the regerr register of the clock domain * to determine the source */ - base = (u32)l3->l3_base[i]; - err_reg = readl(base + l3_flagmux[i] + (inttype << 3)); + base = l3->l3_base[i]; + err_reg = __raw_readl(base + l3_flagmux[i] + + + L3_FLAGMUX_REGERR0 + (inttype << 3)); /* Get the corresponding error and analyse */ if (err_reg) { /* Identify the source from control status register */ - for (j = 0; !(err_reg & (1 << j)); j++) - ; + err_src = __ffs(err_reg); - err_src = j; /* Read the stderrlog_main_source from clk domain */ - std_err_main_addr = base + *(l3_targ[i] + err_src); - std_err_main = readl(std_err_main_addr); + l3_targ_base = base + *(l3_targ[i] + err_src); + std_err_main = __raw_readl(l3_targ_base + + L3_TARG_STDERRLOG_MAIN); + masterid = __raw_readl(l3_targ_base + + L3_TARG_STDERRLOG_MSTADDR); switch (std_err_main & CUSTOM_ERROR) { case STANDARD_ERROR: - source_name = - l3_targ_stderrlog_main_name[i][err_src]; - - slave_addr = std_err_main_addr + - L3_SLAVE_ADDRESS_OFFSET; - WARN(true, "L3 standard error: SOURCE:%s at address 0x%x\n", - source_name, readl(slave_addr)); + target_name = + l3_targ_inst_name[i][err_src]; + WARN(true, "L3 standard error: TARGET:%s at address 0x%x\n", + target_name, + __raw_readl(l3_targ_base + + L3_TARG_STDERRLOG_SLVOFSLSB)); /* clear the std error log*/ clear = std_err_main | CLEAR_STDERR_LOG; - writel(clear, std_err_main_addr); + writel(clear, l3_targ_base + + L3_TARG_STDERRLOG_MAIN); break; case CUSTOM_ERROR: - source_name = - l3_targ_stderrlog_main_name[i][err_src]; - - WARN(true, "CUSTOM SRESP error with SOURCE:%s\n", - source_name); + target_name = + l3_targ_inst_name[i][err_src]; + for (k = 0; k < NUM_OF_L3_MASTERS; k++) { + if (masterid == l3_masters[k].id) + master_name = + l3_masters[k].name; + } + WARN(true, "L3 custom error: MASTER:%s TARGET:%s\n", + master_name, target_name); /* clear the std error log*/ clear = std_err_main | CLEAR_STDERR_LOG; - writel(clear, std_err_main_addr); + writel(clear, l3_targ_base + + L3_TARG_STDERRLOG_MAIN); break; default: @@ -122,10 +129,9 @@ static irqreturn_t l3_interrupt_handler(int irq, void *_l3) static int __init omap4_l3_probe(struct platform_device *pdev) { - static struct omap4_l3 *l3; - struct resource *res; - int ret; - int irq; + static struct omap4_l3 *l3; + struct resource *res; + int ret; l3 = kzalloc(sizeof(*l3), GFP_KERNEL); if (!l3) @@ -177,27 +183,25 @@ static int __init omap4_l3_probe(struct platform_device *pdev) /* * Setup interrupt Handlers */ - irq = platform_get_irq(pdev, 0); - ret = request_irq(irq, + l3->debug_irq = platform_get_irq(pdev, 0); + ret = request_irq(l3->debug_irq, l3_interrupt_handler, IRQF_DISABLED, "l3-dbg-irq", l3); if (ret) { pr_crit("L3: request_irq failed to register for 0x%x\n", - OMAP44XX_IRQ_L3_DBG); + OMAP44XX_IRQ_L3_DBG); goto err3; } - l3->debug_irq = irq; - irq = platform_get_irq(pdev, 1); - ret = request_irq(irq, + l3->app_irq = platform_get_irq(pdev, 1); + ret = request_irq(l3->app_irq, l3_interrupt_handler, IRQF_DISABLED, "l3-app-irq", l3); if (ret) { pr_crit("L3: request_irq failed to register for 0x%x\n", - OMAP44XX_IRQ_L3_APP); + OMAP44XX_IRQ_L3_APP); goto err4; } - l3->app_irq = irq; return 0; @@ -216,7 +220,7 @@ err0: static int __exit omap4_l3_remove(struct platform_device *pdev) { - struct omap4_l3 *l3 = platform_get_drvdata(pdev); + struct omap4_l3 *l3 = platform_get_drvdata(pdev); free_irq(l3->app_irq, l3); free_irq(l3->debug_irq, l3); @@ -229,9 +233,9 @@ static int __exit omap4_l3_remove(struct platform_device *pdev) } static struct platform_driver omap4_l3_driver = { - .remove = __exit_p(omap4_l3_remove), - .driver = { - .name = "omap_l3_noc", + .remove = __exit_p(omap4_l3_remove), + .driver = { + .name = "omap_l3_noc", }, }; diff --git a/arch/arm/mach-omap2/omap_l3_noc.h b/arch/arm/mach-omap2/omap_l3_noc.h index 359b83348aed..90b50984cd2e 100644 --- a/arch/arm/mach-omap2/omap_l3_noc.h +++ b/arch/arm/mach-omap2/omap_l3_noc.h @@ -1,132 +1,162 @@ - /* - * OMAP4XXX L3 Interconnect error handling driver header - * - * Copyright (C) 2011 Texas Corporation - * Santosh Shilimkar <santosh.shilimkar@ti.com> - * sricharan <r.sricharan@ti.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - * USA - */ +/* + * OMAP4XXX L3 Interconnect error handling driver header + * + * Copyright (C) 2011 Texas Corporation + * Santosh Shilimkar <santosh.shilimkar@ti.com> + * sricharan <r.sricharan@ti.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ #ifndef __ARCH_ARM_MACH_OMAP2_L3_INTERCONNECT_3XXX_H #define __ARCH_ARM_MACH_OMAP2_L3_INTERCONNECT_3XXX_H -/* - * L3 register offsets - */ #define L3_MODULES 3 #define CLEAR_STDERR_LOG (1 << 31) #define CUSTOM_ERROR 0x2 #define STANDARD_ERROR 0x0 #define INBAND_ERROR 0x0 -#define EMIF_KERRLOG_OFFSET 0x10 -#define L3_SLAVE_ADDRESS_OFFSET 0x14 -#define LOGICAL_ADDR_ERRORLOG 0x4 #define L3_APPLICATION_ERROR 0x0 #define L3_DEBUG_ERROR 0x1 -u32 l3_flagmux[L3_MODULES] = { - 0x50C, - 0x100C, - 0X020C +/* L3 TARG register offsets */ +#define L3_TARG_STDERRLOG_MAIN 0x48 +#define L3_TARG_STDERRLOG_SLVOFSLSB 0x5c +#define L3_TARG_STDERRLOG_MSTADDR 0x68 +#define L3_FLAGMUX_REGERR0 0xc + +#define NUM_OF_L3_MASTERS (sizeof(l3_masters)/sizeof(l3_masters[0])) + +static u32 l3_flagmux[L3_MODULES] = { + 0x500, + 0x1000, + 0X0200 }; -/* - * L3 Target standard Error register offsets - */ -u32 l3_targ_stderrlog_main_clk1[] = { - 0x148, /* DMM1 */ - 0x248, /* DMM2 */ - 0x348, /* ABE */ - 0x448, /* L4CFG */ - 0x648 /* CLK2 PWR DISC */ +/* L3 Target standard Error register offsets */ +static u32 l3_targ_inst_clk1[] = { + 0x100, /* DMM1 */ + 0x200, /* DMM2 */ + 0x300, /* ABE */ + 0x400, /* L4CFG */ + 0x600 /* CLK2 PWR DISC */ }; -u32 l3_targ_stderrlog_main_clk2[] = { - 0x548, /* CORTEX M3 */ - 0x348, /* DSS */ - 0x148, /* GPMC */ - 0x448, /* ISS */ - 0x748, /* IVAHD */ - 0xD48, /* missing in TRM corresponds to AES1*/ - 0x948, /* L4 PER0*/ - 0x248, /* OCMRAM */ - 0x148, /* missing in TRM corresponds to GPMC sERROR*/ - 0x648, /* SGX */ - 0x848, /* SL2 */ - 0x1648, /* C2C */ - 0x1148, /* missing in TRM corresponds PWR DISC CLK1*/ - 0xF48, /* missing in TRM corrsponds to SHA1*/ - 0xE48, /* missing in TRM corresponds to AES2*/ - 0xC48, /* L4 PER3 */ - 0xA48, /* L4 PER1*/ - 0xB48 /* L4 PER2*/ +static u32 l3_targ_inst_clk2[] = { + 0x500, /* CORTEX M3 */ + 0x300, /* DSS */ + 0x100, /* GPMC */ + 0x400, /* ISS */ + 0x700, /* IVAHD */ + 0xD00, /* missing in TRM corresponds to AES1*/ + 0x900, /* L4 PER0*/ + 0x200, /* OCMRAM */ + 0x100, /* missing in TRM corresponds to GPMC sERROR*/ + 0x600, /* SGX */ + 0x800, /* SL2 */ + 0x1600, /* C2C */ + 0x1100, /* missing in TRM corresponds PWR DISC CLK1*/ + 0xF00, /* missing in TRM corrsponds to SHA1*/ + 0xE00, /* missing in TRM corresponds to AES2*/ + 0xC00, /* L4 PER3 */ + 0xA00, /* L4 PER1*/ + 0xB00 /* L4 PER2*/ }; -u32 l3_targ_stderrlog_main_clk3[] = { - 0x0148 /* EMUSS */ +static u32 l3_targ_inst_clk3[] = { + 0x0100 /* EMUSS */ }; -char *l3_targ_stderrlog_main_name[L3_MODULES][18] = { +static struct l3_masters_data { + u32 id; + char name[10]; +} l3_masters[] = { + { 0x0 , "MPU"}, + { 0x10, "CS_ADP"}, + { 0x14, "xxx"}, + { 0x20, "DSP"}, + { 0x30, "IVAHD"}, + { 0x40, "ISS"}, + { 0x44, "DucatiM3"}, + { 0x48, "FaceDetect"}, + { 0x50, "SDMA_Rd"}, + { 0x54, "SDMA_Wr"}, + { 0x58, "xxx"}, + { 0x5C, "xxx"}, + { 0x60, "SGX"}, + { 0x70, "DSS"}, + { 0x80, "C2C"}, + { 0x88, "xxx"}, + { 0x8C, "xxx"}, + { 0x90, "HSI"}, + { 0xA0, "MMC1"}, + { 0xA4, "MMC2"}, + { 0xA8, "MMC6"}, + { 0xB0, "UNIPRO1"}, + { 0xC0, "USBHOSTHS"}, + { 0xC4, "USBOTGHS"}, + { 0xC8, "USBHOSTFS"} +}; + +static char *l3_targ_inst_name[L3_MODULES][18] = { { - "DMM1", - "DMM2", - "ABE", - "L4CFG", - "CLK2 PWR DISC", + "DMM1", + "DMM2", + "ABE", + "L4CFG", + "CLK2 PWR DISC", }, { - "CORTEX M3" , - "DSS ", - "GPMC ", - "ISS ", - "IVAHD ", - "AES1", - "L4 PER0", - "OCMRAM ", - "GPMC sERROR", - "SGX ", - "SL2 ", - "C2C ", - "PWR DISC CLK1", - "SHA1", - "AES2", - "L4 PER3", - "L4 PER1", - "L4 PER2", + "CORTEX M3" , + "DSS ", + "GPMC ", + "ISS ", + "IVAHD ", + "AES1", + "L4 PER0", + "OCMRAM ", + "GPMC sERROR", + "SGX ", + "SL2 ", + "C2C ", + "PWR DISC CLK1", + "SHA1", + "AES2", + "L4 PER3", + "L4 PER1", + "L4 PER2", }, { - "EMUSS", + "EMUSS", }, }; -u32 *l3_targ[L3_MODULES] = { - l3_targ_stderrlog_main_clk1, - l3_targ_stderrlog_main_clk2, - l3_targ_stderrlog_main_clk3, +static u32 *l3_targ[L3_MODULES] = { + l3_targ_inst_clk1, + l3_targ_inst_clk2, + l3_targ_inst_clk3, }; struct omap4_l3 { - struct device *dev; - struct clk *ick; + struct device *dev; + struct clk *ick; /* memory base */ - void __iomem *l3_base[4]; + void __iomem *l3_base[L3_MODULES]; - int debug_irq; - int app_irq; + int debug_irq; + int app_irq; }; - #endif diff --git a/arch/arm/mach-omap2/omap_l3_smx.c b/arch/arm/mach-omap2/omap_l3_smx.c index 873c0e33b512..a05a62f9ee5b 100644 --- a/arch/arm/mach-omap2/omap_l3_smx.c +++ b/arch/arm/mach-omap2/omap_l3_smx.c @@ -1,26 +1,26 @@ - /* - * OMAP3XXX L3 Interconnect Driver - * - * Copyright (C) 2011 Texas Corporation - * Felipe Balbi <balbi@ti.com> - * Santosh Shilimkar <santosh.shilimkar@ti.com> - * Sricharan <r.sricharan@ti.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - * USA - */ +/* + * OMAP3XXX L3 Interconnect Driver + * + * Copyright (C) 2011 Texas Corporation + * Felipe Balbi <balbi@ti.com> + * Santosh Shilimkar <santosh.shilimkar@ti.com> + * Sricharan <r.sricharan@ti.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ #include <linux/kernel.h> #include <linux/slab.h> @@ -135,7 +135,7 @@ static char *omap3_l3_initiator_string(u8 initid) } } -/** +/* * omap3_l3_block_irq - handles a register block's irq * @l3: struct omap3_l3 * * @base: register block base address @@ -150,30 +150,29 @@ static char *omap3_l3_initiator_string(u8 initid) static irqreturn_t omap3_l3_block_irq(struct omap3_l3 *l3, u64 error, int error_addr) { - u8 code = omap3_l3_decode_error_code(error); - u8 initid = omap3_l3_decode_initid(error); - u8 multi = error & L3_ERROR_LOG_MULTI; - u32 address = omap3_l3_decode_addr(error_addr); + u8 code = omap3_l3_decode_error_code(error); + u8 initid = omap3_l3_decode_initid(error); + u8 multi = error & L3_ERROR_LOG_MULTI; + u32 address = omap3_l3_decode_addr(error_addr); WARN(true, "%s seen by %s %s at address %x\n", - omap3_l3_code_string(code), - omap3_l3_initiator_string(initid), - multi ? "Multiple Errors" : "", - address); + omap3_l3_code_string(code), + omap3_l3_initiator_string(initid), + multi ? "Multiple Errors" : "", address); return IRQ_HANDLED; } static irqreturn_t omap3_l3_app_irq(int irq, void *_l3) { - struct omap3_l3 *l3 = _l3; - u64 status, clear; - u64 error; - u64 error_addr; - u64 err_source = 0; - void __iomem *base; - int int_type; - irqreturn_t ret = IRQ_NONE; + struct omap3_l3 *l3 = _l3; + u64 status, clear; + u64 error; + u64 error_addr; + u64 err_source = 0; + void __iomem *base; + int int_type; + irqreturn_t ret = IRQ_NONE; int_type = irq == l3->app_irq ? L3_APPLICATION_ERROR : L3_DEBUG_ERROR; if (!int_type) { @@ -191,14 +190,12 @@ static irqreturn_t omap3_l3_app_irq(int irq, void *_l3) } /* identify the error source */ - for (err_source = 0; !(status & (1 << err_source)); err_source++) - ; + err_source = __ffs(status); - base = l3->rt + *(omap3_l3_bases[int_type] + err_source); + base = l3->rt + omap3_l3_bases[int_type][err_source]; error = omap3_l3_readll(base, L3_ERROR_LOG); if (error) { error_addr = omap3_l3_readll(base, L3_ERROR_LOG_ADDR); - ret |= omap3_l3_block_irq(l3, error, error_addr); } @@ -215,9 +212,9 @@ static irqreturn_t omap3_l3_app_irq(int irq, void *_l3) static int __init omap3_l3_probe(struct platform_device *pdev) { - struct omap3_l3 *l3; - struct resource *res; - int ret; + struct omap3_l3 *l3; + struct resource *res; + int ret; l3 = kzalloc(sizeof(*l3), GFP_KERNEL); if (!l3) diff --git a/arch/arm/mach-omap2/omap_l3_smx.h b/arch/arm/mach-omap2/omap_l3_smx.h index ba2ed9a850cc..4f3cebca4179 100644 --- a/arch/arm/mach-omap2/omap_l3_smx.h +++ b/arch/arm/mach-omap2/omap_l3_smx.h @@ -1,26 +1,26 @@ - /* - * OMAP3XXX L3 Interconnect Driver header - * - * Copyright (C) 2011 Texas Corporation - * Felipe Balbi <balbi@ti.com> - * Santosh Shilimkar <santosh.shilimkar@ti.com> - * sricharan <r.sricharan@ti.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - * USA - */ +/* + * OMAP3XXX L3 Interconnect Driver header + * + * Copyright (C) 2011 Texas Corporation + * Felipe Balbi <balbi@ti.com> + * Santosh Shilimkar <santosh.shilimkar@ti.com> + * sricharan <r.sricharan@ti.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 + * USA + */ #ifndef __ARCH_ARM_MACH_OMAP2_L3_INTERCONNECT_3XXX_H #define __ARCH_ARM_MACH_OMAP2_L3_INTERCONNECT_3XXX_H @@ -40,7 +40,7 @@ #define L3_SI_CONTROL 0x020 #define L3_SI_FLAG_STATUS_0 0x510 -const u64 shift = 1; +static const u64 shift = 1; #define L3_STATUS_0_MPUIA_BRST (shift << 0) #define L3_STATUS_0_MPUIA_RSP (shift << 1) @@ -78,32 +78,32 @@ const u64 shift = 1; #define L3_STATUS_0_L4EMUTA_REQ (shift << 60) #define L3_STATUS_0_MAD2DTA_REQ (shift << 61) -#define L3_STATUS_0_TIMEOUT_MASK (L3_STATUS_0_MPUIA_BRST \ - | L3_STATUS_0_MPUIA_RSP \ - | L3_STATUS_0_IVAIA_BRST \ - | L3_STATUS_0_IVAIA_RSP \ - | L3_STATUS_0_SGXIA_BRST \ - | L3_STATUS_0_SGXIA_RSP \ - | L3_STATUS_0_CAMIA_BRST \ - | L3_STATUS_0_CAMIA_RSP \ - | L3_STATUS_0_DISPIA_BRST \ - | L3_STATUS_0_DISPIA_RSP \ - | L3_STATUS_0_DMARDIA_BRST \ - | L3_STATUS_0_DMARDIA_RSP \ - | L3_STATUS_0_DMAWRIA_BRST \ - | L3_STATUS_0_DMAWRIA_RSP \ - | L3_STATUS_0_USBOTGIA_BRST \ - | L3_STATUS_0_USBOTGIA_RSP \ - | L3_STATUS_0_USBHOSTIA_BRST \ - | L3_STATUS_0_SMSTA_REQ \ - | L3_STATUS_0_GPMCTA_REQ \ - | L3_STATUS_0_OCMRAMTA_REQ \ - | L3_STATUS_0_OCMROMTA_REQ \ - | L3_STATUS_0_IVATA_REQ \ - | L3_STATUS_0_SGXTA_REQ \ - | L3_STATUS_0_L4CORETA_REQ \ - | L3_STATUS_0_L4PERTA_REQ \ - | L3_STATUS_0_L4EMUTA_REQ \ +#define L3_STATUS_0_TIMEOUT_MASK (L3_STATUS_0_MPUIA_BRST \ + | L3_STATUS_0_MPUIA_RSP \ + | L3_STATUS_0_IVAIA_BRST \ + | L3_STATUS_0_IVAIA_RSP \ + | L3_STATUS_0_SGXIA_BRST \ + | L3_STATUS_0_SGXIA_RSP \ + | L3_STATUS_0_CAMIA_BRST \ + | L3_STATUS_0_CAMIA_RSP \ + | L3_STATUS_0_DISPIA_BRST \ + | L3_STATUS_0_DISPIA_RSP \ + | L3_STATUS_0_DMARDIA_BRST \ + | L3_STATUS_0_DMARDIA_RSP \ + | L3_STATUS_0_DMAWRIA_BRST \ + | L3_STATUS_0_DMAWRIA_RSP \ + | L3_STATUS_0_USBOTGIA_BRST \ + | L3_STATUS_0_USBOTGIA_RSP \ + | L3_STATUS_0_USBHOSTIA_BRST \ + | L3_STATUS_0_SMSTA_REQ \ + | L3_STATUS_0_GPMCTA_REQ \ + | L3_STATUS_0_OCMRAMTA_REQ \ + | L3_STATUS_0_OCMROMTA_REQ \ + | L3_STATUS_0_IVATA_REQ \ + | L3_STATUS_0_SGXTA_REQ \ + | L3_STATUS_0_L4CORETA_REQ \ + | L3_STATUS_0_L4PERTA_REQ \ + | L3_STATUS_0_L4EMUTA_REQ \ | L3_STATUS_0_MAD2DTA_REQ) #define L3_SI_FLAG_STATUS_1 0x530 @@ -137,19 +137,19 @@ const u64 shift = 1; enum omap3_l3_initiator_id { /* LCD has 1 ID */ - OMAP_L3_LCD = 29, + OMAP_L3_LCD = 29, /* SAD2D has 1 ID */ - OMAP_L3_SAD2D = 28, + OMAP_L3_SAD2D = 28, /* MPU has 5 IDs */ - OMAP_L3_IA_MPU_SS_1 = 27, - OMAP_L3_IA_MPU_SS_2 = 26, - OMAP_L3_IA_MPU_SS_3 = 25, - OMAP_L3_IA_MPU_SS_4 = 24, - OMAP_L3_IA_MPU_SS_5 = 23, + OMAP_L3_IA_MPU_SS_1 = 27, + OMAP_L3_IA_MPU_SS_2 = 26, + OMAP_L3_IA_MPU_SS_3 = 25, + OMAP_L3_IA_MPU_SS_4 = 24, + OMAP_L3_IA_MPU_SS_5 = 23, /* IVA2.2 SS has 3 IDs*/ - OMAP_L3_IA_IVA_SS_1 = 22, - OMAP_L3_IA_IVA_SS_2 = 21, - OMAP_L3_IA_IVA_SS_3 = 20, + OMAP_L3_IA_IVA_SS_1 = 22, + OMAP_L3_IA_IVA_SS_2 = 21, + OMAP_L3_IA_IVA_SS_3 = 20, /* IVA 2.2 SS DMA has 6 IDS */ OMAP_L3_IA_IVA_SS_DMA_1 = 19, OMAP_L3_IA_IVA_SS_DMA_2 = 18, @@ -158,25 +158,25 @@ enum omap3_l3_initiator_id { OMAP_L3_IA_IVA_SS_DMA_5 = 15, OMAP_L3_IA_IVA_SS_DMA_6 = 14, /* SGX has 1 ID */ - OMAP_L3_IA_SGX = 13, + OMAP_L3_IA_SGX = 13, /* CAM has 3 ID */ - OMAP_L3_IA_CAM_1 = 12, - OMAP_L3_IA_CAM_2 = 11, - OMAP_L3_IA_CAM_3 = 10, + OMAP_L3_IA_CAM_1 = 12, + OMAP_L3_IA_CAM_2 = 11, + OMAP_L3_IA_CAM_3 = 10, /* DAP has 1 ID */ - OMAP_L3_IA_DAP = 9, + OMAP_L3_IA_DAP = 9, /* SDMA WR has 2 IDs */ - OMAP_L3_SDMA_WR_1 = 8, - OMAP_L3_SDMA_WR_2 = 7, + OMAP_L3_SDMA_WR_1 = 8, + OMAP_L3_SDMA_WR_2 = 7, /* SDMA RD has 4 IDs */ - OMAP_L3_SDMA_RD_1 = 6, - OMAP_L3_SDMA_RD_2 = 5, - OMAP_L3_SDMA_RD_3 = 4, - OMAP_L3_SDMA_RD_4 = 3, + OMAP_L3_SDMA_RD_1 = 6, + OMAP_L3_SDMA_RD_2 = 5, + OMAP_L3_SDMA_RD_3 = 4, + OMAP_L3_SDMA_RD_4 = 3, /* HSUSB OTG has 1 ID */ - OMAP_L3_USBOTG = 2, + OMAP_L3_USBOTG = 2, /* HSUSB HOST has 1 ID */ - OMAP_L3_USBHOST = 1, + OMAP_L3_USBHOST = 1, }; enum omap3_l3_code { @@ -192,21 +192,21 @@ enum omap3_l3_code { }; struct omap3_l3 { - struct device *dev; - struct clk *ick; + struct device *dev; + struct clk *ick; /* memory base*/ - void __iomem *rt; + void __iomem *rt; - int debug_irq; - int app_irq; + int debug_irq; + int app_irq; /* true when and inband functional error occurs */ - unsigned inband:1; + unsigned inband:1; }; /* offsets for l3 agents in order with the Flag status register */ -unsigned int __iomem omap3_l3_app_bases[] = { +static unsigned int omap3_l3_app_bases[] = { /* MPU IA */ 0x1400, 0x1400, @@ -305,7 +305,7 @@ unsigned int __iomem omap3_l3_app_bases[] = { 0, }; -unsigned int __iomem omap3_l3_debug_bases[] = { +static unsigned int omap3_l3_debug_bases[] = { /* MPU DATA IA */ 0x1400, /* RESERVED */ @@ -321,7 +321,7 @@ unsigned int __iomem omap3_l3_debug_bases[] = { /* REST RESERVED */ }; -u32 *omap3_l3_bases[] = { +static u32 *omap3_l3_bases[] = { omap3_l3_app_bases, omap3_l3_debug_bases, }; diff --git a/arch/arm/mach-omap2/omap_twl.c b/arch/arm/mach-omap2/omap_twl.c index 07d6140baa9d..f515a1a056d5 100644 --- a/arch/arm/mach-omap2/omap_twl.c +++ b/arch/arm/mach-omap2/omap_twl.c @@ -42,8 +42,11 @@ #define OMAP4_SRI2C_SLAVE_ADDR 0x12 #define OMAP4_VDD_MPU_SR_VOLT_REG 0x55 +#define OMAP4_VDD_MPU_SR_CMD_REG 0x56 #define OMAP4_VDD_IVA_SR_VOLT_REG 0x5B +#define OMAP4_VDD_IVA_SR_CMD_REG 0x5C #define OMAP4_VDD_CORE_SR_VOLT_REG 0x61 +#define OMAP4_VDD_CORE_SR_CMD_REG 0x62 #define OMAP4_VP_CONFIG_ERROROFFSET 0x00 #define OMAP4_VP_VSTEPMIN_VSTEPMIN 0x01 @@ -95,6 +98,8 @@ static unsigned long twl6030_vsel_to_uv(const u8 vsel) is_offset_valid = true; } + if (!vsel) + return 0; /* * There is no specific formula for voltage to vsel * conversion above 1.3V. There are special hardcoded @@ -106,9 +111,9 @@ static unsigned long twl6030_vsel_to_uv(const u8 vsel) return 1350000; if (smps_offset & 0x8) - return ((((vsel - 1) * 125) + 7000)) * 100; + return ((((vsel - 1) * 1266) + 70900)) * 10; else - return ((((vsel - 1) * 125) + 6000)) * 100; + return ((((vsel - 1) * 1266) + 60770)) * 10; } static u8 twl6030_uv_to_vsel(unsigned long uv) @@ -127,6 +132,8 @@ static u8 twl6030_uv_to_vsel(unsigned long uv) is_offset_valid = true; } + if (!uv) + return 0x00; /* * There is no specific formula for voltage to vsel * conversion above 1.3V. There are special hardcoded @@ -134,16 +141,21 @@ static u8 twl6030_uv_to_vsel(unsigned long uv) * hardcoding only for 1.35 V which is used for 1GH OPP for * OMAP4430. */ - if (uv == 1350000) + if (uv > twl6030_vsel_to_uv(0x39)) { + if (uv == 1350000) + return 0x3A; + pr_err("%s:OUT OF RANGE! non mapped vsel for %ld Vs max %ld\n", + __func__, uv, twl6030_vsel_to_uv(0x39)); return 0x3A; + } if (smps_offset & 0x8) - return DIV_ROUND_UP(uv - 700000, 12500) + 1; + return DIV_ROUND_UP(uv - 709000, 12660) + 1; else - return DIV_ROUND_UP(uv - 600000, 12500) + 1; + return DIV_ROUND_UP(uv - 607700, 12660) + 1; } -static struct omap_volt_pmic_info omap3_mpu_volt_info = { +static struct omap_voltdm_pmic omap3_mpu_pmic = { .slew_rate = 4000, .step_size = 12500, .on_volt = 1200000, @@ -158,12 +170,13 @@ static struct omap_volt_pmic_info omap3_mpu_volt_info = { .vp_vddmax = OMAP3430_VP1_VLIMITTO_VDDMAX, .vp_timeout_us = OMAP3_VP_VLIMITTO_TIMEOUT_US, .i2c_slave_addr = OMAP3_SRI2C_SLAVE_ADDR, - .pmic_reg = OMAP3_VDD_MPU_SR_CONTROL_REG, + .volt_reg_addr = OMAP3_VDD_MPU_SR_CONTROL_REG, + .i2c_high_speed = true, .vsel_to_uv = twl4030_vsel_to_uv, .uv_to_vsel = twl4030_uv_to_vsel, }; -static struct omap_volt_pmic_info omap3_core_volt_info = { +static struct omap_voltdm_pmic omap3_core_pmic = { .slew_rate = 4000, .step_size = 12500, .on_volt = 1200000, @@ -178,18 +191,19 @@ static struct omap_volt_pmic_info omap3_core_volt_info = { .vp_vddmax = OMAP3430_VP2_VLIMITTO_VDDMAX, .vp_timeout_us = OMAP3_VP_VLIMITTO_TIMEOUT_US, .i2c_slave_addr = OMAP3_SRI2C_SLAVE_ADDR, - .pmic_reg = OMAP3_VDD_CORE_SR_CONTROL_REG, + .volt_reg_addr = OMAP3_VDD_CORE_SR_CONTROL_REG, + .i2c_high_speed = true, .vsel_to_uv = twl4030_vsel_to_uv, .uv_to_vsel = twl4030_uv_to_vsel, }; -static struct omap_volt_pmic_info omap4_mpu_volt_info = { +static struct omap_voltdm_pmic omap4_mpu_pmic = { .slew_rate = 4000, - .step_size = 12500, - .on_volt = 1350000, - .onlp_volt = 1350000, - .ret_volt = 837500, - .off_volt = 600000, + .step_size = 12660, + .on_volt = 1375000, + .onlp_volt = 1375000, + .ret_volt = 830000, + .off_volt = 0, .volt_setup_time = 0, .vp_erroroffset = OMAP4_VP_CONFIG_ERROROFFSET, .vp_vstepmin = OMAP4_VP_VSTEPMIN_VSTEPMIN, @@ -198,18 +212,20 @@ static struct omap_volt_pmic_info omap4_mpu_volt_info = { .vp_vddmax = OMAP4_VP_MPU_VLIMITTO_VDDMAX, .vp_timeout_us = OMAP4_VP_VLIMITTO_TIMEOUT_US, .i2c_slave_addr = OMAP4_SRI2C_SLAVE_ADDR, - .pmic_reg = OMAP4_VDD_MPU_SR_VOLT_REG, + .volt_reg_addr = OMAP4_VDD_MPU_SR_VOLT_REG, + .cmd_reg_addr = OMAP4_VDD_MPU_SR_CMD_REG, + .i2c_high_speed = true, .vsel_to_uv = twl6030_vsel_to_uv, .uv_to_vsel = twl6030_uv_to_vsel, }; -static struct omap_volt_pmic_info omap4_iva_volt_info = { +static struct omap_voltdm_pmic omap4_iva_pmic = { .slew_rate = 4000, - .step_size = 12500, - .on_volt = 1100000, - .onlp_volt = 1100000, - .ret_volt = 837500, - .off_volt = 600000, + .step_size = 12660, + .on_volt = 1188000, + .onlp_volt = 1188000, + .ret_volt = 830000, + .off_volt = 0, .volt_setup_time = 0, .vp_erroroffset = OMAP4_VP_CONFIG_ERROROFFSET, .vp_vstepmin = OMAP4_VP_VSTEPMIN_VSTEPMIN, @@ -218,18 +234,20 @@ static struct omap_volt_pmic_info omap4_iva_volt_info = { .vp_vddmax = OMAP4_VP_IVA_VLIMITTO_VDDMAX, .vp_timeout_us = OMAP4_VP_VLIMITTO_TIMEOUT_US, .i2c_slave_addr = OMAP4_SRI2C_SLAVE_ADDR, - .pmic_reg = OMAP4_VDD_IVA_SR_VOLT_REG, + .volt_reg_addr = OMAP4_VDD_IVA_SR_VOLT_REG, + .cmd_reg_addr = OMAP4_VDD_IVA_SR_CMD_REG, + .i2c_high_speed = true, .vsel_to_uv = twl6030_vsel_to_uv, .uv_to_vsel = twl6030_uv_to_vsel, }; -static struct omap_volt_pmic_info omap4_core_volt_info = { +static struct omap_voltdm_pmic omap4_core_pmic = { .slew_rate = 4000, - .step_size = 12500, - .on_volt = 1100000, - .onlp_volt = 1100000, - .ret_volt = 837500, - .off_volt = 600000, + .step_size = 12660, + .on_volt = 1200000, + .onlp_volt = 1200000, + .ret_volt = 830000, + .off_volt = 0, .volt_setup_time = 0, .vp_erroroffset = OMAP4_VP_CONFIG_ERROROFFSET, .vp_vstepmin = OMAP4_VP_VSTEPMIN_VSTEPMIN, @@ -238,7 +256,8 @@ static struct omap_volt_pmic_info omap4_core_volt_info = { .vp_vddmax = OMAP4_VP_CORE_VLIMITTO_VDDMAX, .vp_timeout_us = OMAP4_VP_VLIMITTO_TIMEOUT_US, .i2c_slave_addr = OMAP4_SRI2C_SLAVE_ADDR, - .pmic_reg = OMAP4_VDD_CORE_SR_VOLT_REG, + .volt_reg_addr = OMAP4_VDD_CORE_SR_VOLT_REG, + .cmd_reg_addr = OMAP4_VDD_CORE_SR_CMD_REG, .vsel_to_uv = twl6030_vsel_to_uv, .uv_to_vsel = twl6030_uv_to_vsel, }; @@ -250,14 +269,14 @@ int __init omap4_twl_init(void) if (!cpu_is_omap44xx()) return -ENODEV; - voltdm = omap_voltage_domain_lookup("mpu"); - omap_voltage_register_pmic(voltdm, &omap4_mpu_volt_info); + voltdm = voltdm_lookup("mpu"); + omap_voltage_register_pmic(voltdm, &omap4_mpu_pmic); - voltdm = omap_voltage_domain_lookup("iva"); - omap_voltage_register_pmic(voltdm, &omap4_iva_volt_info); + voltdm = voltdm_lookup("iva"); + omap_voltage_register_pmic(voltdm, &omap4_iva_pmic); - voltdm = omap_voltage_domain_lookup("core"); - omap_voltage_register_pmic(voltdm, &omap4_core_volt_info); + voltdm = voltdm_lookup("core"); + omap_voltage_register_pmic(voltdm, &omap4_core_pmic); return 0; } @@ -270,10 +289,10 @@ int __init omap3_twl_init(void) return -ENODEV; if (cpu_is_omap3630()) { - omap3_mpu_volt_info.vp_vddmin = OMAP3630_VP1_VLIMITTO_VDDMIN; - omap3_mpu_volt_info.vp_vddmax = OMAP3630_VP1_VLIMITTO_VDDMAX; - omap3_core_volt_info.vp_vddmin = OMAP3630_VP2_VLIMITTO_VDDMIN; - omap3_core_volt_info.vp_vddmax = OMAP3630_VP2_VLIMITTO_VDDMAX; + omap3_mpu_pmic.vp_vddmin = OMAP3630_VP1_VLIMITTO_VDDMIN; + omap3_mpu_pmic.vp_vddmax = OMAP3630_VP1_VLIMITTO_VDDMAX; + omap3_core_pmic.vp_vddmin = OMAP3630_VP2_VLIMITTO_VDDMIN; + omap3_core_pmic.vp_vddmax = OMAP3630_VP2_VLIMITTO_VDDMAX; } /* @@ -288,11 +307,11 @@ int __init omap3_twl_init(void) if (!twl_sr_enable_autoinit) omap3_twl_set_sr_bit(true); - voltdm = omap_voltage_domain_lookup("mpu"); - omap_voltage_register_pmic(voltdm, &omap3_mpu_volt_info); + voltdm = voltdm_lookup("mpu_iva"); + omap_voltage_register_pmic(voltdm, &omap3_mpu_pmic); - voltdm = omap_voltage_domain_lookup("core"); - omap_voltage_register_pmic(voltdm, &omap3_core_volt_info); + voltdm = voltdm_lookup("core"); + omap_voltage_register_pmic(voltdm, &omap3_core_pmic); return 0; } diff --git a/arch/arm/mach-omap2/opp.c b/arch/arm/mach-omap2/opp.c index ab8b35b780b5..9262a6b47702 100644 --- a/arch/arm/mach-omap2/opp.c +++ b/arch/arm/mach-omap2/opp.c @@ -69,7 +69,7 @@ int __init omap_init_opp_table(struct omap_opp_def *opp_def, opp_def->hwmod_name, i); return -EINVAL; } - dev = &oh->od->pdev.dev; + dev = &oh->od->pdev->dev; r = opp_add(dev, opp_def->freq, opp_def->u_volt); if (r) { diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c index 472bf22d5e84..0844e2ecfb4a 100644 --- a/arch/arm/mach-omap2/pm.c +++ b/arch/arm/mach-omap2/pm.c @@ -60,19 +60,19 @@ EXPORT_SYMBOL(omap4_get_dsp_device); static int _init_omap_device(char *name, struct device **new_dev) { struct omap_hwmod *oh; - struct omap_device *od; + struct platform_device *pdev; oh = omap_hwmod_lookup(name); if (WARN(!oh, "%s: could not find omap_hwmod for %s\n", __func__, name)) return -ENODEV; - od = omap_device_build(oh->name, 0, oh, NULL, 0, pm_lats, 0, false); - if (WARN(IS_ERR(od), "%s: could not build omap_device for %s\n", + pdev = omap_device_build(oh->name, 0, oh, NULL, 0, pm_lats, 0, false); + if (WARN(IS_ERR(pdev), "%s: could not build omap_device for %s\n", __func__, name)) return -ENODEV; - *new_dev = &od->pdev.dev; + *new_dev = &pdev->dev; return 0; } @@ -136,8 +136,8 @@ int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state) ret = pwrdm_set_next_pwrst(pwrdm, state); if (ret) { - printk(KERN_ERR "Unable to set state of powerdomain: %s\n", - pwrdm->name); + pr_err("%s: unable to set state of powerdomain: %s\n", + __func__, pwrdm->name); goto err; } @@ -161,11 +161,11 @@ err: } /* - * This API is to be called during init to put the various voltage + * This API is to be called during init to set the various voltage * domains to the voltage as per the opp table. Typically we boot up * at the nominal voltage. So this function finds out the rate of * the clock associated with the voltage domain, finds out the correct - * opp entry and puts the voltage domain to the voltage specifies + * opp entry and sets the voltage domain to the voltage specified * in the opp entry */ static int __init omap2_set_init_voltage(char *vdd_name, char *clk_name, @@ -177,21 +177,20 @@ static int __init omap2_set_init_voltage(char *vdd_name, char *clk_name, unsigned long freq, bootup_volt; if (!vdd_name || !clk_name || !dev) { - printk(KERN_ERR "%s: Invalid parameters!\n", __func__); + pr_err("%s: invalid parameters\n", __func__); goto exit; } - voltdm = omap_voltage_domain_lookup(vdd_name); + voltdm = voltdm_lookup(vdd_name); if (IS_ERR(voltdm)) { - printk(KERN_ERR "%s: Unable to get vdd pointer for vdd_%s\n", + pr_err("%s: unable to get vdd pointer for vdd_%s\n", __func__, vdd_name); goto exit; } clk = clk_get(NULL, clk_name); if (IS_ERR(clk)) { - printk(KERN_ERR "%s: unable to get clk %s\n", - __func__, clk_name); + pr_err("%s: unable to get clk %s\n", __func__, clk_name); goto exit; } @@ -200,24 +199,23 @@ static int __init omap2_set_init_voltage(char *vdd_name, char *clk_name, opp = opp_find_freq_ceil(dev, &freq); if (IS_ERR(opp)) { - printk(KERN_ERR "%s: unable to find boot up OPP for vdd_%s\n", + pr_err("%s: unable to find boot up OPP for vdd_%s\n", __func__, vdd_name); goto exit; } bootup_volt = opp_get_voltage(opp); if (!bootup_volt) { - printk(KERN_ERR "%s: unable to find voltage corresponding" + pr_err("%s: unable to find voltage corresponding " "to the bootup OPP for vdd_%s\n", __func__, vdd_name); goto exit; } - omap_voltage_scale_vdd(voltdm, bootup_volt); + voltdm_scale(voltdm, bootup_volt); return 0; exit: - printk(KERN_ERR "%s: Unable to put vdd_%s to its init voltage\n\n", - __func__, vdd_name); + pr_err("%s: unable to set vdd_%s\n", __func__, vdd_name); return -EINVAL; } @@ -226,7 +224,7 @@ static void __init omap3_init_voltages(void) if (!cpu_is_omap34xx()) return; - omap2_set_init_voltage("mpu", "dpll1_ck", mpu_dev); + omap2_set_init_voltage("mpu_iva", "dpll1_ck", mpu_dev); omap2_set_init_voltage("core", "l3_ick", l3_dev); } diff --git a/arch/arm/mach-omap2/pm24xx.c b/arch/arm/mach-omap2/pm24xx.c index bf089e743ed9..cf0c216132ab 100644 --- a/arch/arm/mach-omap2/pm24xx.c +++ b/arch/arm/mach-omap2/pm24xx.c @@ -53,8 +53,6 @@ #include "powerdomain.h" #include "clockdomain.h" -static int omap2_pm_debug; - #ifdef CONFIG_SUSPEND static suspend_state_t suspend_state = PM_SUSPEND_ON; static inline bool is_suspending(void) @@ -96,7 +94,6 @@ static int omap2_fclks_active(void) static void omap2_enter_full_retention(void) { u32 l; - struct timespec ts_preidle, ts_postidle, ts_idle; /* There is 1 reference hold for all children of the oscillator * clock, the following will remove it. If no one else uses the @@ -124,10 +121,6 @@ static void omap2_enter_full_retention(void) omap2_gpio_prepare_for_idle(0); - if (omap2_pm_debug) { - getnstimeofday(&ts_preidle); - } - /* One last check for pending IRQs to avoid extra latency due * to sleeping unnecessarily. */ if (omap_irq_pending()) @@ -155,13 +148,6 @@ static void omap2_enter_full_retention(void) console_unlock(); no_sleep: - if (omap2_pm_debug) { - unsigned long long tmp; - - getnstimeofday(&ts_postidle); - ts_idle = timespec_sub(ts_postidle, ts_preidle); - tmp = timespec_to_ns(&ts_idle) * NSEC_PER_USEC; - } omap2_gpio_resume_after_idle(); clk_enable(osc_ck); @@ -219,7 +205,6 @@ static int omap2_allow_mpu_retention(void) static void omap2_enter_mpu_retention(void) { int only_idle = 0; - struct timespec ts_preidle, ts_postidle, ts_idle; /* Putting MPU into the WFI state while a transfer is active * seems to cause the I2C block to timeout. Why? Good question. */ @@ -246,19 +231,7 @@ static void omap2_enter_mpu_retention(void) only_idle = 1; } - if (omap2_pm_debug) { - getnstimeofday(&ts_preidle); - } - omap2_sram_idle(); - - if (omap2_pm_debug) { - unsigned long long tmp; - - getnstimeofday(&ts_postidle); - ts_idle = timespec_sub(ts_postidle, ts_preidle); - tmp = timespec_to_ns(&ts_idle) * NSEC_PER_USEC; - } } static int omap2_can_sleep(void) diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index 7255d9bce868..c8cbd00a41af 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -55,7 +55,7 @@ static suspend_state_t suspend_state = PM_SUSPEND_ON; static inline bool is_suspending(void) { - return (suspend_state != PM_SUSPEND_ON); + return (suspend_state != PM_SUSPEND_ON) && console_suspend_enabled; } #else static inline bool is_suspending(void) diff --git a/arch/arm/mach-omap2/powerdomain.c b/arch/arm/mach-omap2/powerdomain.c index 896cb4c5eb1a..5164d587ef52 100644 --- a/arch/arm/mach-omap2/powerdomain.c +++ b/arch/arm/mach-omap2/powerdomain.c @@ -77,6 +77,7 @@ static struct powerdomain *_pwrdm_lookup(const char *name) static int _pwrdm_register(struct powerdomain *pwrdm) { int i; + struct voltagedomain *voltdm; if (!pwrdm || !pwrdm->name) return -EINVAL; @@ -91,6 +92,16 @@ static int _pwrdm_register(struct powerdomain *pwrdm) if (_pwrdm_lookup(pwrdm->name)) return -EEXIST; + voltdm = voltdm_lookup(pwrdm->voltdm.name); + if (!voltdm) { + pr_err("powerdomain: %s: voltagedomain %s does not exist\n", + pwrdm->name, pwrdm->voltdm.name); + return -EINVAL; + } + pwrdm->voltdm.ptr = voltdm; + INIT_LIST_HEAD(&pwrdm->voltdm_node); + voltdm_add_pwrdm(voltdm, pwrdm); + list_add(&pwrdm->node, &pwrdm_list); /* Initialize the powerdomain's state counter */ @@ -427,6 +438,18 @@ int pwrdm_for_each_clkdm(struct powerdomain *pwrdm, } /** + * pwrdm_get_voltdm - return a ptr to the voltdm that this pwrdm resides in + * @pwrdm: struct powerdomain * + * + * Return a pointer to the struct voltageomain that the specified powerdomain + * @pwrdm exists in. + */ +struct voltagedomain *pwrdm_get_voltdm(struct powerdomain *pwrdm) +{ + return pwrdm->voltdm.ptr; +} + +/** * pwrdm_get_mem_bank_count - get number of memory banks in this powerdomain * @pwrdm: struct powerdomain * * diff --git a/arch/arm/mach-omap2/powerdomain.h b/arch/arm/mach-omap2/powerdomain.h index 8febd84e5e31..42e6dd8f2a78 100644 --- a/arch/arm/mach-omap2/powerdomain.h +++ b/arch/arm/mach-omap2/powerdomain.h @@ -24,6 +24,8 @@ #include <plat/cpu.h> +#include "voltage.h" + /* Powerdomain basic power states */ #define PWRDM_POWER_OFF 0x0 #define PWRDM_POWER_RET 0x1 @@ -78,6 +80,7 @@ struct powerdomain; /** * struct powerdomain - OMAP powerdomain * @name: Powerdomain name + * @voltdm: voltagedomain containing this powerdomain * @prcm_offs: the address offset from CM_BASE/PRM_BASE * @prcm_partition: (OMAP4 only) the PRCM partition ID containing @prcm_offs * @pwrsts: Possible powerdomain power states @@ -88,6 +91,7 @@ struct powerdomain; * @pwrsts_mem_on: Possible memory bank pwrstates when pwrdm in ON * @pwrdm_clkdms: Clockdomains in this powerdomain * @node: list_head linking all powerdomains + * @voltdm_node: list_head linking all powerdomains in a voltagedomain * @state: * @state_counter: * @timer: @@ -97,6 +101,10 @@ struct powerdomain; */ struct powerdomain { const char *name; + union { + const char *name; + struct voltagedomain *ptr; + } voltdm; const s16 prcm_offs; const u8 pwrsts; const u8 pwrsts_logic_ret; @@ -107,6 +115,7 @@ struct powerdomain { const u8 prcm_partition; struct clockdomain *pwrdm_clkdms[PWRDM_MAX_CLKDMS]; struct list_head node; + struct list_head voltdm_node; int state; unsigned state_counter[PWRDM_MAX_PWRSTS]; unsigned ret_logic_off_counter; @@ -176,6 +185,7 @@ int pwrdm_del_clkdm(struct powerdomain *pwrdm, struct clockdomain *clkdm); int pwrdm_for_each_clkdm(struct powerdomain *pwrdm, int (*fn)(struct powerdomain *pwrdm, struct clockdomain *clkdm)); +struct voltagedomain *pwrdm_get_voltdm(struct powerdomain *pwrdm); int pwrdm_get_mem_bank_count(struct powerdomain *pwrdm); diff --git a/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c b/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c index cf600e22bf8e..6a17e4ca1d79 100644 --- a/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c +++ b/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c @@ -1,7 +1,7 @@ /* * OMAP2 and OMAP3 powerdomain control * - * Copyright (C) 2009-2010 Texas Instruments, Inc. + * Copyright (C) 2009-2011 Texas Instruments, Inc. * Copyright (C) 2007-2009 Nokia Corporation * * Derived from mach-omap2/powerdomain.c written by Paul Walmsley diff --git a/arch/arm/mach-omap2/powerdomains2xxx_3xxx_data.c b/arch/arm/mach-omap2/powerdomains2xxx_3xxx_data.c index bf30483d5cb0..d3a5399091ad 100644 --- a/arch/arm/mach-omap2/powerdomains2xxx_3xxx_data.c +++ b/arch/arm/mach-omap2/powerdomains2xxx_3xxx_data.c @@ -54,10 +54,12 @@ struct powerdomain gfx_omap2_pwrdm = { .pwrsts_mem_on = { [0] = PWRSTS_ON, /* MEMONSTATE */ }, + .voltdm = { .name = "core" }, }; struct powerdomain wkup_omap2_pwrdm = { .name = "wkup_pwrdm", .prcm_offs = WKUP_MOD, .pwrsts = PWRSTS_ON, + .voltdm = { .name = "wakeup" }, }; diff --git a/arch/arm/mach-omap2/powerdomains2xxx_data.c b/arch/arm/mach-omap2/powerdomains2xxx_data.c index bb4394e3b621..2385c1f009ee 100644 --- a/arch/arm/mach-omap2/powerdomains2xxx_data.c +++ b/arch/arm/mach-omap2/powerdomains2xxx_data.c @@ -37,6 +37,7 @@ static struct powerdomain dsp_pwrdm = { .pwrsts_mem_on = { [0] = PWRSTS_ON, }, + .voltdm = { .name = "core" }, }; static struct powerdomain mpu_24xx_pwrdm = { @@ -51,6 +52,7 @@ static struct powerdomain mpu_24xx_pwrdm = { .pwrsts_mem_on = { [0] = PWRSTS_ON, }, + .voltdm = { .name = "core" }, }; static struct powerdomain core_24xx_pwrdm = { @@ -68,6 +70,7 @@ static struct powerdomain core_24xx_pwrdm = { [1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */ [2] = PWRSTS_OFF_RET_ON, /* MEM3ONSTATE */ }, + .voltdm = { .name = "core" }, }; @@ -89,6 +92,7 @@ static struct powerdomain mdm_pwrdm = { .pwrsts_mem_on = { [0] = PWRSTS_ON, /* MEMONSTATE */ }, + .voltdm = { .name = "core" }, }; /* diff --git a/arch/arm/mach-omap2/powerdomains3xxx_data.c b/arch/arm/mach-omap2/powerdomains3xxx_data.c index e4f3a7d6ecfc..8ef26daeed68 100644 --- a/arch/arm/mach-omap2/powerdomains3xxx_data.c +++ b/arch/arm/mach-omap2/powerdomains3xxx_data.c @@ -51,6 +51,7 @@ static struct powerdomain iva2_pwrdm = { [2] = PWRSTS_OFF_ON, [3] = PWRSTS_ON, }, + .voltdm = { .name = "mpu_iva" }, }; static struct powerdomain mpu_3xxx_pwrdm = { @@ -66,6 +67,7 @@ static struct powerdomain mpu_3xxx_pwrdm = { .pwrsts_mem_on = { [0] = PWRSTS_OFF_ON, }, + .voltdm = { .name = "mpu_iva" }, }; /* @@ -92,6 +94,7 @@ static struct powerdomain core_3xxx_pre_es3_1_pwrdm = { [0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */ [1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */ }, + .voltdm = { .name = "core" }, }; static struct powerdomain core_3xxx_es3_1_pwrdm = { @@ -113,6 +116,7 @@ static struct powerdomain core_3xxx_es3_1_pwrdm = { [0] = PWRSTS_OFF_RET_ON, /* MEM1ONSTATE */ [1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */ }, + .voltdm = { .name = "core" }, }; static struct powerdomain dss_pwrdm = { @@ -127,6 +131,7 @@ static struct powerdomain dss_pwrdm = { .pwrsts_mem_on = { [0] = PWRSTS_ON, /* MEMONSTATE */ }, + .voltdm = { .name = "core" }, }; /* @@ -147,6 +152,7 @@ static struct powerdomain sgx_pwrdm = { .pwrsts_mem_on = { [0] = PWRSTS_ON, /* MEMONSTATE */ }, + .voltdm = { .name = "core" }, }; static struct powerdomain cam_pwrdm = { @@ -161,6 +167,7 @@ static struct powerdomain cam_pwrdm = { .pwrsts_mem_on = { [0] = PWRSTS_ON, /* MEMONSTATE */ }, + .voltdm = { .name = "core" }, }; static struct powerdomain per_pwrdm = { @@ -175,11 +182,13 @@ static struct powerdomain per_pwrdm = { .pwrsts_mem_on = { [0] = PWRSTS_ON, /* MEMONSTATE */ }, + .voltdm = { .name = "core" }, }; static struct powerdomain emu_pwrdm = { .name = "emu_pwrdm", .prcm_offs = OMAP3430_EMU_MOD, + .voltdm = { .name = "core" }, }; static struct powerdomain neon_pwrdm = { @@ -187,6 +196,7 @@ static struct powerdomain neon_pwrdm = { .prcm_offs = OMAP3430_NEON_MOD, .pwrsts = PWRSTS_OFF_RET_ON, .pwrsts_logic_ret = PWRSTS_RET, + .voltdm = { .name = "mpu_iva" }, }; static struct powerdomain usbhost_pwrdm = { @@ -208,31 +218,37 @@ static struct powerdomain usbhost_pwrdm = { .pwrsts_mem_on = { [0] = PWRSTS_ON, /* MEMONSTATE */ }, + .voltdm = { .name = "core" }, }; static struct powerdomain dpll1_pwrdm = { .name = "dpll1_pwrdm", .prcm_offs = MPU_MOD, + .voltdm = { .name = "mpu_iva" }, }; static struct powerdomain dpll2_pwrdm = { .name = "dpll2_pwrdm", .prcm_offs = OMAP3430_IVA2_MOD, + .voltdm = { .name = "mpu_iva" }, }; static struct powerdomain dpll3_pwrdm = { .name = "dpll3_pwrdm", .prcm_offs = PLL_MOD, + .voltdm = { .name = "core" }, }; static struct powerdomain dpll4_pwrdm = { .name = "dpll4_pwrdm", .prcm_offs = PLL_MOD, + .voltdm = { .name = "core" }, }; static struct powerdomain dpll5_pwrdm = { .name = "dpll5_pwrdm", .prcm_offs = PLL_MOD, + .voltdm = { .name = "core" }, }; /* As powerdomains are added or removed above, this list must also be changed */ diff --git a/arch/arm/mach-omap2/powerdomains44xx_data.c b/arch/arm/mach-omap2/powerdomains44xx_data.c index cbce0c9069cd..704664c0e259 100644 --- a/arch/arm/mach-omap2/powerdomains44xx_data.c +++ b/arch/arm/mach-omap2/powerdomains44xx_data.c @@ -33,6 +33,7 @@ /* core_44xx_pwrdm: CORE power domain */ static struct powerdomain core_44xx_pwrdm = { .name = "core_pwrdm", + .voltdm = { .name = "core" }, .prcm_offs = OMAP4430_PRM_CORE_INST, .prcm_partition = OMAP4430_PRM_PARTITION, .pwrsts = PWRSTS_RET_ON, @@ -58,6 +59,7 @@ static struct powerdomain core_44xx_pwrdm = { /* gfx_44xx_pwrdm: 3D accelerator power domain */ static struct powerdomain gfx_44xx_pwrdm = { .name = "gfx_pwrdm", + .voltdm = { .name = "core" }, .prcm_offs = OMAP4430_PRM_GFX_INST, .prcm_partition = OMAP4430_PRM_PARTITION, .pwrsts = PWRSTS_OFF_ON, @@ -74,6 +76,7 @@ static struct powerdomain gfx_44xx_pwrdm = { /* abe_44xx_pwrdm: Audio back end power domain */ static struct powerdomain abe_44xx_pwrdm = { .name = "abe_pwrdm", + .voltdm = { .name = "iva" }, .prcm_offs = OMAP4430_PRM_ABE_INST, .prcm_partition = OMAP4430_PRM_PARTITION, .pwrsts = PWRSTS_OFF_RET_ON, @@ -93,6 +96,7 @@ static struct powerdomain abe_44xx_pwrdm = { /* dss_44xx_pwrdm: Display subsystem power domain */ static struct powerdomain dss_44xx_pwrdm = { .name = "dss_pwrdm", + .voltdm = { .name = "core" }, .prcm_offs = OMAP4430_PRM_DSS_INST, .prcm_partition = OMAP4430_PRM_PARTITION, .pwrsts = PWRSTS_OFF_RET_ON, @@ -110,6 +114,7 @@ static struct powerdomain dss_44xx_pwrdm = { /* tesla_44xx_pwrdm: Tesla processor power domain */ static struct powerdomain tesla_44xx_pwrdm = { .name = "tesla_pwrdm", + .voltdm = { .name = "iva" }, .prcm_offs = OMAP4430_PRM_TESLA_INST, .prcm_partition = OMAP4430_PRM_PARTITION, .pwrsts = PWRSTS_OFF_RET_ON, @@ -131,6 +136,7 @@ static struct powerdomain tesla_44xx_pwrdm = { /* wkup_44xx_pwrdm: Wake-up power domain */ static struct powerdomain wkup_44xx_pwrdm = { .name = "wkup_pwrdm", + .voltdm = { .name = "wakeup" }, .prcm_offs = OMAP4430_PRM_WKUP_INST, .prcm_partition = OMAP4430_PRM_PARTITION, .pwrsts = PWRSTS_ON, @@ -146,6 +152,7 @@ static struct powerdomain wkup_44xx_pwrdm = { /* cpu0_44xx_pwrdm: MPU0 processor and Neon coprocessor power domain */ static struct powerdomain cpu0_44xx_pwrdm = { .name = "cpu0_pwrdm", + .voltdm = { .name = "mpu" }, .prcm_offs = OMAP4430_PRCM_MPU_CPU0_INST, .prcm_partition = OMAP4430_PRCM_MPU_PARTITION, .pwrsts = PWRSTS_OFF_RET_ON, @@ -162,6 +169,7 @@ static struct powerdomain cpu0_44xx_pwrdm = { /* cpu1_44xx_pwrdm: MPU1 processor and Neon coprocessor power domain */ static struct powerdomain cpu1_44xx_pwrdm = { .name = "cpu1_pwrdm", + .voltdm = { .name = "mpu" }, .prcm_offs = OMAP4430_PRCM_MPU_CPU1_INST, .prcm_partition = OMAP4430_PRCM_MPU_PARTITION, .pwrsts = PWRSTS_OFF_RET_ON, @@ -178,6 +186,7 @@ static struct powerdomain cpu1_44xx_pwrdm = { /* emu_44xx_pwrdm: Emulation power domain */ static struct powerdomain emu_44xx_pwrdm = { .name = "emu_pwrdm", + .voltdm = { .name = "wakeup" }, .prcm_offs = OMAP4430_PRM_EMU_INST, .prcm_partition = OMAP4430_PRM_PARTITION, .pwrsts = PWRSTS_OFF_ON, @@ -193,6 +202,7 @@ static struct powerdomain emu_44xx_pwrdm = { /* mpu_44xx_pwrdm: Modena processor and the Neon coprocessor power domain */ static struct powerdomain mpu_44xx_pwrdm = { .name = "mpu_pwrdm", + .voltdm = { .name = "mpu" }, .prcm_offs = OMAP4430_PRM_MPU_INST, .prcm_partition = OMAP4430_PRM_PARTITION, .pwrsts = PWRSTS_RET_ON, @@ -213,6 +223,7 @@ static struct powerdomain mpu_44xx_pwrdm = { /* ivahd_44xx_pwrdm: IVA-HD power domain */ static struct powerdomain ivahd_44xx_pwrdm = { .name = "ivahd_pwrdm", + .voltdm = { .name = "iva" }, .prcm_offs = OMAP4430_PRM_IVAHD_INST, .prcm_partition = OMAP4430_PRM_PARTITION, .pwrsts = PWRSTS_OFF_RET_ON, @@ -236,6 +247,7 @@ static struct powerdomain ivahd_44xx_pwrdm = { /* cam_44xx_pwrdm: Camera subsystem power domain */ static struct powerdomain cam_44xx_pwrdm = { .name = "cam_pwrdm", + .voltdm = { .name = "core" }, .prcm_offs = OMAP4430_PRM_CAM_INST, .prcm_partition = OMAP4430_PRM_PARTITION, .pwrsts = PWRSTS_OFF_ON, @@ -252,6 +264,7 @@ static struct powerdomain cam_44xx_pwrdm = { /* l3init_44xx_pwrdm: L3 initators pheripherals power domain */ static struct powerdomain l3init_44xx_pwrdm = { .name = "l3init_pwrdm", + .voltdm = { .name = "core" }, .prcm_offs = OMAP4430_PRM_L3INIT_INST, .prcm_partition = OMAP4430_PRM_PARTITION, .pwrsts = PWRSTS_RET_ON, @@ -269,6 +282,7 @@ static struct powerdomain l3init_44xx_pwrdm = { /* l4per_44xx_pwrdm: Target peripherals power domain */ static struct powerdomain l4per_44xx_pwrdm = { .name = "l4per_pwrdm", + .voltdm = { .name = "core" }, .prcm_offs = OMAP4430_PRM_L4PER_INST, .prcm_partition = OMAP4430_PRM_PARTITION, .pwrsts = PWRSTS_RET_ON, @@ -291,6 +305,7 @@ static struct powerdomain l4per_44xx_pwrdm = { */ static struct powerdomain always_on_core_44xx_pwrdm = { .name = "always_on_core_pwrdm", + .voltdm = { .name = "core" }, .prcm_offs = OMAP4430_PRM_ALWAYS_ON_INST, .prcm_partition = OMAP4430_PRM_PARTITION, .pwrsts = PWRSTS_ON, @@ -299,6 +314,7 @@ static struct powerdomain always_on_core_44xx_pwrdm = { /* cefuse_44xx_pwrdm: Customer efuse controller power domain */ static struct powerdomain cefuse_44xx_pwrdm = { .name = "cefuse_pwrdm", + .voltdm = { .name = "core" }, .prcm_offs = OMAP4430_PRM_CEFUSE_INST, .prcm_partition = OMAP4430_PRM_PARTITION, .pwrsts = PWRSTS_OFF_ON, diff --git a/arch/arm/mach-omap2/prm2xxx_3xxx.c b/arch/arm/mach-omap2/prm2xxx_3xxx.c index 051213fbc346..f02d87f68e54 100644 --- a/arch/arm/mach-omap2/prm2xxx_3xxx.c +++ b/arch/arm/mach-omap2/prm2xxx_3xxx.c @@ -20,6 +20,8 @@ #include <plat/cpu.h> #include <plat/prcm.h> +#include "vp.h" + #include "prm2xxx_3xxx.h" #include "cm2xxx_3xxx.h" #include "prm-regbits-24xx.h" @@ -156,3 +158,57 @@ int omap2_prm_deassert_hardreset(s16 prm_mod, u8 rst_shift, u8 st_shift) return (c == MAX_MODULE_HARDRESET_WAIT) ? -EBUSY : 0; } + +/* PRM VP */ + +/* + * struct omap3_vp - OMAP3 VP register access description. + * @tranxdone_status: VP_TRANXDONE_ST bitmask in PRM_IRQSTATUS_MPU reg + */ +struct omap3_vp { + u32 tranxdone_status; +}; + +static struct omap3_vp omap3_vp[] = { + [OMAP3_VP_VDD_MPU_ID] = { + .tranxdone_status = OMAP3430_VP1_TRANXDONE_ST_MASK, + }, + [OMAP3_VP_VDD_CORE_ID] = { + .tranxdone_status = OMAP3430_VP2_TRANXDONE_ST_MASK, + }, +}; + +#define MAX_VP_ID ARRAY_SIZE(omap3_vp); + +u32 omap3_prm_vp_check_txdone(u8 vp_id) +{ + struct omap3_vp *vp = &omap3_vp[vp_id]; + u32 irqstatus; + + irqstatus = omap2_prm_read_mod_reg(OCP_MOD, + OMAP3_PRM_IRQSTATUS_MPU_OFFSET); + return irqstatus & vp->tranxdone_status; +} + +void omap3_prm_vp_clear_txdone(u8 vp_id) +{ + struct omap3_vp *vp = &omap3_vp[vp_id]; + + omap2_prm_write_mod_reg(vp->tranxdone_status, + OCP_MOD, OMAP3_PRM_IRQSTATUS_MPU_OFFSET); +} + +u32 omap3_prm_vcvp_read(u8 offset) +{ + return omap2_prm_read_mod_reg(OMAP3430_GR_MOD, offset); +} + +void omap3_prm_vcvp_write(u32 val, u8 offset) +{ + omap2_prm_write_mod_reg(val, OMAP3430_GR_MOD, offset); +} + +u32 omap3_prm_vcvp_rmw(u32 mask, u32 bits, u8 offset) +{ + return omap2_prm_rmw_mod_reg_bits(mask, bits, OMAP3430_GR_MOD, offset); +} diff --git a/arch/arm/mach-omap2/prm2xxx_3xxx.h b/arch/arm/mach-omap2/prm2xxx_3xxx.h index a1fc62a39dbb..cef533df0861 100644 --- a/arch/arm/mach-omap2/prm2xxx_3xxx.h +++ b/arch/arm/mach-omap2/prm2xxx_3xxx.h @@ -303,7 +303,19 @@ extern int omap2_prm_is_hardreset_asserted(s16 prm_mod, u8 shift); extern int omap2_prm_assert_hardreset(s16 prm_mod, u8 shift); extern int omap2_prm_deassert_hardreset(s16 prm_mod, u8 rst_shift, u8 st_shift); +/* OMAP3-specific VP functions */ +u32 omap3_prm_vp_check_txdone(u8 vp_id); +void omap3_prm_vp_clear_txdone(u8 vp_id); + +/* + * OMAP3 access functions for voltage controller (VC) and + * voltage proccessor (VP) in the PRM. + */ +extern u32 omap3_prm_vcvp_read(u8 offset); +extern void omap3_prm_vcvp_write(u32 val, u8 offset); +extern u32 omap3_prm_vcvp_rmw(u32 mask, u32 bits, u8 offset); #endif /* CONFIG_ARCH_OMAP4 */ + #endif /* diff --git a/arch/arm/mach-omap2/prm44xx.c b/arch/arm/mach-omap2/prm44xx.c index 00165558fc4d..495a31a7e8a7 100644 --- a/arch/arm/mach-omap2/prm44xx.c +++ b/arch/arm/mach-omap2/prm44xx.c @@ -21,8 +21,11 @@ #include <plat/cpu.h> #include <plat/prcm.h> +#include "vp.h" #include "prm44xx.h" #include "prm-regbits-44xx.h" +#include "prcm44xx.h" +#include "prminst44xx.h" /* PRM low-level functions */ @@ -50,3 +53,71 @@ u32 omap4_prm_rmw_inst_reg_bits(u32 mask, u32 bits, s16 inst, s16 reg) return v; } + +/* PRM VP */ + +/* + * struct omap4_vp - OMAP4 VP register access description. + * @irqstatus_mpu: offset to IRQSTATUS_MPU register for VP + * @tranxdone_status: VP_TRANXDONE_ST bitmask in PRM_IRQSTATUS_MPU reg + */ +struct omap4_vp { + u32 irqstatus_mpu; + u32 tranxdone_status; +}; + +static struct omap4_vp omap4_vp[] = { + [OMAP4_VP_VDD_MPU_ID] = { + .irqstatus_mpu = OMAP4_PRM_IRQSTATUS_MPU_2_OFFSET, + .tranxdone_status = OMAP4430_VP_MPU_TRANXDONE_ST_MASK, + }, + [OMAP4_VP_VDD_IVA_ID] = { + .irqstatus_mpu = OMAP4_PRM_IRQSTATUS_MPU_OFFSET, + .tranxdone_status = OMAP4430_VP_IVA_TRANXDONE_ST_MASK, + }, + [OMAP4_VP_VDD_CORE_ID] = { + .irqstatus_mpu = OMAP4_PRM_IRQSTATUS_MPU_OFFSET, + .tranxdone_status = OMAP4430_VP_CORE_TRANXDONE_ST_MASK, + }, +}; + +u32 omap4_prm_vp_check_txdone(u8 vp_id) +{ + struct omap4_vp *vp = &omap4_vp[vp_id]; + u32 irqstatus; + + irqstatus = omap4_prminst_read_inst_reg(OMAP4430_PRM_PARTITION, + OMAP4430_PRM_OCP_SOCKET_INST, + vp->irqstatus_mpu); + return irqstatus & vp->tranxdone_status; +} + +void omap4_prm_vp_clear_txdone(u8 vp_id) +{ + struct omap4_vp *vp = &omap4_vp[vp_id]; + + omap4_prminst_write_inst_reg(vp->tranxdone_status, + OMAP4430_PRM_PARTITION, + OMAP4430_PRM_OCP_SOCKET_INST, + vp->irqstatus_mpu); +}; + +u32 omap4_prm_vcvp_read(u8 offset) +{ + return omap4_prminst_read_inst_reg(OMAP4430_PRM_PARTITION, + OMAP4430_PRM_DEVICE_INST, offset); +} + +void omap4_prm_vcvp_write(u32 val, u8 offset) +{ + omap4_prminst_write_inst_reg(val, OMAP4430_PRM_PARTITION, + OMAP4430_PRM_DEVICE_INST, offset); +} + +u32 omap4_prm_vcvp_rmw(u32 mask, u32 bits, u8 offset) +{ + return omap4_prminst_rmw_inst_reg_bits(mask, bits, + OMAP4430_PRM_PARTITION, + OMAP4430_PRM_DEVICE_INST, + offset); +} diff --git a/arch/arm/mach-omap2/prm44xx.h b/arch/arm/mach-omap2/prm44xx.h index 7dfa379b625d..3d66ccd849d2 100644 --- a/arch/arm/mach-omap2/prm44xx.h +++ b/arch/arm/mach-omap2/prm44xx.h @@ -751,6 +751,18 @@ extern u32 omap4_prm_read_inst_reg(s16 inst, u16 idx); extern void omap4_prm_write_inst_reg(u32 val, s16 inst, u16 idx); extern u32 omap4_prm_rmw_inst_reg_bits(u32 mask, u32 bits, s16 inst, s16 idx); +/* OMAP4-specific VP functions */ +u32 omap4_prm_vp_check_txdone(u8 vp_id); +void omap4_prm_vp_clear_txdone(u8 vp_id); + +/* + * OMAP4 access functions for voltage controller (VC) and + * voltage proccessor (VP) in the PRM. + */ +extern u32 omap4_prm_vcvp_read(u8 offset); +extern void omap4_prm_vcvp_write(u32 val, u8 offset); +extern u32 omap4_prm_vcvp_rmw(u32 mask, u32 bits, u8 offset); + # endif #endif diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c index 466fc722fa0f..3d1c1d393f8f 100644 --- a/arch/arm/mach-omap2/serial.c +++ b/arch/arm/mach-omap2/serial.c @@ -711,7 +711,7 @@ void __init omap_serial_init_port(struct omap_board_data *bdata) { struct omap_uart_state *uart; struct omap_hwmod *oh; - struct omap_device *od; + struct platform_device *pdev; void *pdata = NULL; u32 pdata_size = 0; char *name; @@ -799,20 +799,20 @@ void __init omap_serial_init_port(struct omap_board_data *bdata) if (WARN_ON(!oh)) return; - od = omap_device_build(name, uart->num, oh, pdata, pdata_size, + pdev = omap_device_build(name, uart->num, oh, pdata, pdata_size, omap_uart_latency, ARRAY_SIZE(omap_uart_latency), false); - WARN(IS_ERR(od), "Could not build omap_device for %s: %s.\n", + WARN(IS_ERR(pdev), "Could not build omap_device for %s: %s.\n", name, oh->name); - omap_device_disable_idle_on_suspend(od); + omap_device_disable_idle_on_suspend(pdev); oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt); uart->irq = oh->mpu_irqs[0].irq; uart->regshift = 2; uart->mapbase = oh->slaves[0]->addr->pa_start; uart->membase = omap_hwmod_get_mpu_rt_va(oh); - uart->pdev = &od->pdev; + uart->pdev = pdev; oh->dev_attr = uart; @@ -846,8 +846,8 @@ void __init omap_serial_init_port(struct omap_board_data *bdata) if ((cpu_is_omap34xx() && uart->padconf) || (uart->wk_en && uart->wk_mask)) { - device_init_wakeup(&od->pdev.dev, true); - DEV_CREATE_FILE(&od->pdev.dev, &dev_attr_sleep_timeout); + device_init_wakeup(&pdev->dev, true); + DEV_CREATE_FILE(&pdev->dev, &dev_attr_sleep_timeout); } /* Enable the MDR1 errata for OMAP3 */ diff --git a/arch/arm/mach-omap2/smartreflex-class3.c b/arch/arm/mach-omap2/smartreflex-class3.c index f438cf4d847b..53d9d0a5b39d 100644 --- a/arch/arm/mach-omap2/smartreflex-class3.c +++ b/arch/arm/mach-omap2/smartreflex-class3.c @@ -15,7 +15,7 @@ static int sr_class3_enable(struct voltagedomain *voltdm) { - unsigned long volt = omap_voltage_get_nom_volt(voltdm); + unsigned long volt = voltdm_get_voltage(voltdm); if (!volt) { pr_warning("%s: Curr voltage unknown. Cannot enable sr_%s\n", @@ -32,7 +32,7 @@ static int sr_class3_disable(struct voltagedomain *voltdm, int is_volt_reset) omap_vp_disable(voltdm); sr_disable(voltdm); if (is_volt_reset) - omap_voltage_reset(voltdm); + voltdm_reset(voltdm); return 0; } diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c index 34c01a7de810..bb606c9709b2 100644 --- a/arch/arm/mach-omap2/smartreflex.c +++ b/arch/arm/mach-omap2/smartreflex.c @@ -62,6 +62,7 @@ static LIST_HEAD(sr_list); static struct omap_sr_class_data *sr_class; static struct omap_sr_pmic_data *sr_pmic_data; +static struct dentry *sr_dbg_dir; static inline void sr_write_reg(struct omap_sr *sr, unsigned offset, u32 value) { @@ -826,9 +827,10 @@ static int __init omap_sr_probe(struct platform_device *pdev) struct omap_sr *sr_info = kzalloc(sizeof(struct omap_sr), GFP_KERNEL); struct omap_sr_data *pdata = pdev->dev.platform_data; struct resource *mem, *irq; - struct dentry *vdd_dbg_dir, *nvalue_dir; + struct dentry *nvalue_dir; struct omap_volt_data *volt_data; int i, ret = 0; + char *name; if (!sr_info) { dev_err(&pdev->dev, "%s: unable to allocate sr_info\n", @@ -899,18 +901,25 @@ static int __init omap_sr_probe(struct platform_device *pdev) } dev_info(&pdev->dev, "%s: SmartReflex driver initialized\n", __func__); + if (!sr_dbg_dir) { + sr_dbg_dir = debugfs_create_dir("smartreflex", NULL); + if (!sr_dbg_dir) { + ret = PTR_ERR(sr_dbg_dir); + pr_err("%s:sr debugfs dir creation failed(%d)\n", + __func__, ret); + goto err_iounmap; + } + } - /* - * If the voltage domain debugfs directory is not created, do - * not try to create rest of the debugfs entries. - */ - vdd_dbg_dir = omap_voltage_get_dbgdir(sr_info->voltdm); - if (!vdd_dbg_dir) { - ret = -EINVAL; + name = kasprintf(GFP_KERNEL, "sr_%s", sr_info->voltdm->name); + if (!name) { + dev_err(&pdev->dev, "%s: Unable to alloc debugfs name\n", + __func__); + ret = -ENOMEM; goto err_iounmap; } - - sr_info->dbg_dir = debugfs_create_dir("smartreflex", vdd_dbg_dir); + sr_info->dbg_dir = debugfs_create_dir(name, sr_dbg_dir); + kfree(name); if (IS_ERR(sr_info->dbg_dir)) { dev_err(&pdev->dev, "%s: Unable to create debugfs directory\n", __func__); diff --git a/arch/arm/mach-omap2/sr_device.c b/arch/arm/mach-omap2/sr_device.c index 10d3c5ee8018..eba9f9a8ab65 100644 --- a/arch/arm/mach-omap2/sr_device.c +++ b/arch/arm/mach-omap2/sr_device.c @@ -80,7 +80,7 @@ static void __init sr_set_nvalues(struct omap_volt_data *volt_data, static int sr_dev_init(struct omap_hwmod *oh, void *user) { struct omap_sr_data *sr_data; - struct omap_device *od; + struct platform_device *pdev; struct omap_volt_data *volt_data; char *name = "smartreflex"; static int i; @@ -102,7 +102,7 @@ static int sr_dev_init(struct omap_hwmod *oh, void *user) sr_data->senn_mod = 0x1; sr_data->senp_mod = 0x1; - sr_data->voltdm = omap_voltage_domain_lookup(oh->vdd_name); + sr_data->voltdm = voltdm_lookup(oh->vdd_name); if (IS_ERR(sr_data->voltdm)) { pr_err("%s: Unable to get voltage domain pointer for VDD %s\n", __func__, oh->vdd_name); @@ -120,10 +120,10 @@ static int sr_dev_init(struct omap_hwmod *oh, void *user) sr_data->enable_on_init = sr_enable_on_init; - od = omap_device_build(name, i, oh, sr_data, sizeof(*sr_data), + pdev = omap_device_build(name, i, oh, sr_data, sizeof(*sr_data), omap_sr_latency, ARRAY_SIZE(omap_sr_latency), 0); - if (IS_ERR(od)) + if (IS_ERR(pdev)) pr_warning("%s: Could not build omap_device for %s: %s.\n\n", __func__, name, oh->name); exit: diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index 1140e98c9773..e49fc7be2229 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -434,7 +434,7 @@ static int __init omap_timer_init(struct omap_hwmod *oh, void *unused) int ret = 0; char *name = "omap_timer"; struct dmtimer_platform_data *pdata; - struct omap_device *od; + struct platform_device *pdev; struct omap_timer_capability_dev_attr *timer_dev_attr; struct powerdomain *pwrdm; @@ -476,12 +476,12 @@ static int __init omap_timer_init(struct omap_hwmod *oh, void *unused) #ifdef CONFIG_PM pdata->get_context_loss_count = omap_pm_get_dev_context_loss_count; #endif - od = omap_device_build(name, id, oh, pdata, sizeof(*pdata), + pdev = omap_device_build(name, id, oh, pdata, sizeof(*pdata), omap2_dmtimer_latency, ARRAY_SIZE(omap2_dmtimer_latency), 0); - if (IS_ERR(od)) { + if (IS_ERR(pdev)) { pr_err("%s: Can't build omap_device for %s: %s.\n", __func__, name, oh->name); ret = -EINVAL; diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c index a65145b02a55..d86af3cda8c7 100644 --- a/arch/arm/mach-omap2/usb-musb.c +++ b/arch/arm/mach-omap2/usb-musb.c @@ -115,7 +115,6 @@ static struct omap_musb_board_data musb_default_board_data = { void __init usb_musb_init(struct omap_musb_board_data *musb_board_data) { struct omap_hwmod *oh; - struct omap_device *od; struct platform_device *pdev; struct device *dev; int bus_id = -1; @@ -137,9 +136,6 @@ void __init usb_musb_init(struct omap_musb_board_data *musb_board_data) musb_plat.mode = board_data->mode; musb_plat.extvbus = board_data->extvbus; - if (cpu_is_omap44xx()) - omap4430_phy_init(dev); - if (cpu_is_omap3517() || cpu_is_omap3505()) { oh_name = "am35x_otg_hs"; name = "musb-am35x"; @@ -148,22 +144,20 @@ void __init usb_musb_init(struct omap_musb_board_data *musb_board_data) name = "musb-omap2430"; } - oh = omap_hwmod_lookup(oh_name); - if (!oh) { - pr_err("Could not look up %s\n", oh_name); - return; - } + oh = omap_hwmod_lookup(oh_name); + if (WARN(!oh, "%s: could not find omap_hwmod for %s\n", + __func__, oh_name)) + return; - od = omap_device_build(name, bus_id, oh, &musb_plat, + pdev = omap_device_build(name, bus_id, oh, &musb_plat, sizeof(musb_plat), omap_musb_latency, ARRAY_SIZE(omap_musb_latency), false); - if (IS_ERR(od)) { + if (IS_ERR(pdev)) { pr_err("Could not build omap_device for %s %s\n", name, oh_name); return; } - pdev = &od->pdev; dev = &pdev->dev; get_device(dev); dev->dma_mask = &musb_dmamask; diff --git a/arch/arm/mach-omap2/vc.c b/arch/arm/mach-omap2/vc.c new file mode 100644 index 000000000000..031d116fbf10 --- /dev/null +++ b/arch/arm/mach-omap2/vc.c @@ -0,0 +1,367 @@ +/* + * OMAP Voltage Controller (VC) interface + * + * Copyright (C) 2011 Texas Instruments, Inc. + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ +#include <linux/kernel.h> +#include <linux/delay.h> +#include <linux/init.h> + +#include <plat/cpu.h> + +#include "voltage.h" +#include "vc.h" +#include "prm-regbits-34xx.h" +#include "prm-regbits-44xx.h" +#include "prm44xx.h" + +/** + * struct omap_vc_channel_cfg - describe the cfg_channel bitfield + * @sa: bit for slave address + * @rav: bit for voltage configuration register + * @rac: bit for command configuration register + * @racen: enable bit for RAC + * @cmd: bit for command value set selection + * + * Channel configuration bits, common for OMAP3+ + * OMAP3 register: PRM_VC_CH_CONF + * OMAP4 register: PRM_VC_CFG_CHANNEL + * OMAP5 register: PRM_VC_SMPS_<voltdm>_CONFIG + */ +struct omap_vc_channel_cfg { + u8 sa; + u8 rav; + u8 rac; + u8 racen; + u8 cmd; +}; + +static struct omap_vc_channel_cfg vc_default_channel_cfg = { + .sa = BIT(0), + .rav = BIT(1), + .rac = BIT(2), + .racen = BIT(3), + .cmd = BIT(4), +}; + +/* + * On OMAP3+, all VC channels have the above default bitfield + * configuration, except the OMAP4 MPU channel. This appears + * to be a freak accident as every other VC channel has the + * default configuration, thus creating a mutant channel config. + */ +static struct omap_vc_channel_cfg vc_mutant_channel_cfg = { + .sa = BIT(0), + .rav = BIT(2), + .rac = BIT(3), + .racen = BIT(4), + .cmd = BIT(1), +}; + +static struct omap_vc_channel_cfg *vc_cfg_bits; +#define CFG_CHANNEL_MASK 0x1f + +/** + * omap_vc_config_channel - configure VC channel to PMIC mappings + * @voltdm: pointer to voltagdomain defining the desired VC channel + * + * Configures the VC channel to PMIC mappings for the following + * PMIC settings + * - i2c slave address (SA) + * - voltage configuration address (RAV) + * - command configuration address (RAC) and enable bit (RACEN) + * - command values for ON, ONLP, RET and OFF (CMD) + * + * This function currently only allows flexible configuration of the + * non-default channel. Starting with OMAP4, there are more than 2 + * channels, with one defined as the default (on OMAP4, it's MPU.) + * Only the non-default channel can be configured. + */ +static int omap_vc_config_channel(struct voltagedomain *voltdm) +{ + struct omap_vc_channel *vc = voltdm->vc; + + /* + * For default channel, the only configurable bit is RACEN. + * All others must stay at zero (see function comment above.) + */ + if (vc->flags & OMAP_VC_CHANNEL_DEFAULT) + vc->cfg_channel &= vc_cfg_bits->racen; + + voltdm->rmw(CFG_CHANNEL_MASK << vc->cfg_channel_sa_shift, + vc->cfg_channel << vc->cfg_channel_sa_shift, + vc->cfg_channel_reg); + + return 0; +} + +/* Voltage scale and accessory APIs */ +int omap_vc_pre_scale(struct voltagedomain *voltdm, + unsigned long target_volt, + u8 *target_vsel, u8 *current_vsel) +{ + struct omap_vc_channel *vc = voltdm->vc; + u32 vc_cmdval; + + /* Check if sufficient pmic info is available for this vdd */ + if (!voltdm->pmic) { + pr_err("%s: Insufficient pmic info to scale the vdd_%s\n", + __func__, voltdm->name); + return -EINVAL; + } + + if (!voltdm->pmic->uv_to_vsel) { + pr_err("%s: PMIC function to convert voltage in uV to" + "vsel not registered. Hence unable to scale voltage" + "for vdd_%s\n", __func__, voltdm->name); + return -ENODATA; + } + + if (!voltdm->read || !voltdm->write) { + pr_err("%s: No read/write API for accessing vdd_%s regs\n", + __func__, voltdm->name); + return -EINVAL; + } + + *target_vsel = voltdm->pmic->uv_to_vsel(target_volt); + *current_vsel = voltdm->pmic->uv_to_vsel(voltdm->nominal_volt); + + /* Setting the ON voltage to the new target voltage */ + vc_cmdval = voltdm->read(vc->cmdval_reg); + vc_cmdval &= ~vc->common->cmd_on_mask; + vc_cmdval |= (*target_vsel << vc->common->cmd_on_shift); + voltdm->write(vc_cmdval, vc->cmdval_reg); + + omap_vp_update_errorgain(voltdm, target_volt); + + return 0; +} + +void omap_vc_post_scale(struct voltagedomain *voltdm, + unsigned long target_volt, + u8 target_vsel, u8 current_vsel) +{ + u32 smps_steps = 0, smps_delay = 0; + + smps_steps = abs(target_vsel - current_vsel); + /* SMPS slew rate / step size. 2us added as buffer. */ + smps_delay = ((smps_steps * voltdm->pmic->step_size) / + voltdm->pmic->slew_rate) + 2; + udelay(smps_delay); +} + +/* vc_bypass_scale - VC bypass method of voltage scaling */ +int omap_vc_bypass_scale(struct voltagedomain *voltdm, + unsigned long target_volt) +{ + struct omap_vc_channel *vc = voltdm->vc; + u32 loop_cnt = 0, retries_cnt = 0; + u32 vc_valid, vc_bypass_val_reg, vc_bypass_value; + u8 target_vsel, current_vsel; + int ret; + + ret = omap_vc_pre_scale(voltdm, target_volt, &target_vsel, ¤t_vsel); + if (ret) + return ret; + + vc_valid = vc->common->valid; + vc_bypass_val_reg = vc->common->bypass_val_reg; + vc_bypass_value = (target_vsel << vc->common->data_shift) | + (vc->volt_reg_addr << vc->common->regaddr_shift) | + (vc->i2c_slave_addr << vc->common->slaveaddr_shift); + + voltdm->write(vc_bypass_value, vc_bypass_val_reg); + voltdm->write(vc_bypass_value | vc_valid, vc_bypass_val_reg); + + vc_bypass_value = voltdm->read(vc_bypass_val_reg); + /* + * Loop till the bypass command is acknowledged from the SMPS. + * NOTE: This is legacy code. The loop count and retry count needs + * to be revisited. + */ + while (!(vc_bypass_value & vc_valid)) { + loop_cnt++; + + if (retries_cnt > 10) { + pr_warning("%s: Retry count exceeded\n", __func__); + return -ETIMEDOUT; + } + + if (loop_cnt > 50) { + retries_cnt++; + loop_cnt = 0; + udelay(10); + } + vc_bypass_value = voltdm->read(vc_bypass_val_reg); + } + + omap_vc_post_scale(voltdm, target_volt, target_vsel, current_vsel); + return 0; +} + +static void __init omap3_vfsm_init(struct voltagedomain *voltdm) +{ + /* + * Voltage Manager FSM parameters init + * XXX This data should be passed in from the board file + */ + voltdm->write(OMAP3_CLKSETUP, OMAP3_PRM_CLKSETUP_OFFSET); + voltdm->write(OMAP3_VOLTOFFSET, OMAP3_PRM_VOLTOFFSET_OFFSET); + voltdm->write(OMAP3_VOLTSETUP2, OMAP3_PRM_VOLTSETUP2_OFFSET); +} + +static void __init omap3_vc_init_channel(struct voltagedomain *voltdm) +{ + static bool is_initialized; + + if (is_initialized) + return; + + omap3_vfsm_init(voltdm); + + is_initialized = true; +} + + +/* OMAP4 specific voltage init functions */ +static void __init omap4_vc_init_channel(struct voltagedomain *voltdm) +{ + static bool is_initialized; + u32 vc_val; + + if (is_initialized) + return; + + /* XXX These are magic numbers and do not belong! */ + vc_val = (0x60 << OMAP4430_SCLL_SHIFT | 0x26 << OMAP4430_SCLH_SHIFT); + voltdm->write(vc_val, OMAP4_PRM_VC_CFG_I2C_CLK_OFFSET); + + is_initialized = true; +} + +/** + * omap_vc_i2c_init - initialize I2C interface to PMIC + * @voltdm: voltage domain containing VC data + * + * Use PMIC supplied seetings for I2C high-speed mode and + * master code (if set) and program the VC I2C configuration + * register. + * + * The VC I2C configuration is common to all VC channels, + * so this function only configures I2C for the first VC + * channel registers. All other VC channels will use the + * same configuration. + */ +static void __init omap_vc_i2c_init(struct voltagedomain *voltdm) +{ + struct omap_vc_channel *vc = voltdm->vc; + static bool initialized; + static bool i2c_high_speed; + u8 mcode; + + if (initialized) { + if (voltdm->pmic->i2c_high_speed != i2c_high_speed) + pr_warn("%s: I2C config for all channels must match.", + __func__); + return; + } + + i2c_high_speed = voltdm->pmic->i2c_high_speed; + if (i2c_high_speed) + voltdm->rmw(vc->common->i2c_cfg_hsen_mask, + vc->common->i2c_cfg_hsen_mask, + vc->common->i2c_cfg_reg); + + mcode = voltdm->pmic->i2c_mcode; + if (mcode) + voltdm->rmw(vc->common->i2c_mcode_mask, + mcode << __ffs(vc->common->i2c_mcode_mask), + vc->common->i2c_cfg_reg); + + initialized = true; +} + +void __init omap_vc_init_channel(struct voltagedomain *voltdm) +{ + struct omap_vc_channel *vc = voltdm->vc; + u8 on_vsel, onlp_vsel, ret_vsel, off_vsel; + u32 val; + + if (!voltdm->pmic || !voltdm->pmic->uv_to_vsel) { + pr_err("%s: PMIC info requried to configure vc for" + "vdd_%s not populated.Hence cannot initialize vc\n", + __func__, voltdm->name); + return; + } + + if (!voltdm->read || !voltdm->write) { + pr_err("%s: No read/write API for accessing vdd_%s regs\n", + __func__, voltdm->name); + return; + } + + vc->cfg_channel = 0; + if (vc->flags & OMAP_VC_CHANNEL_CFG_MUTANT) + vc_cfg_bits = &vc_mutant_channel_cfg; + else + vc_cfg_bits = &vc_default_channel_cfg; + + /* get PMIC/board specific settings */ + vc->i2c_slave_addr = voltdm->pmic->i2c_slave_addr; + vc->volt_reg_addr = voltdm->pmic->volt_reg_addr; + vc->cmd_reg_addr = voltdm->pmic->cmd_reg_addr; + vc->setup_time = voltdm->pmic->volt_setup_time; + + /* Configure the i2c slave address for this VC */ + voltdm->rmw(vc->smps_sa_mask, + vc->i2c_slave_addr << __ffs(vc->smps_sa_mask), + vc->smps_sa_reg); + vc->cfg_channel |= vc_cfg_bits->sa; + + /* + * Configure the PMIC register addresses. + */ + voltdm->rmw(vc->smps_volra_mask, + vc->volt_reg_addr << __ffs(vc->smps_volra_mask), + vc->smps_volra_reg); + vc->cfg_channel |= vc_cfg_bits->rav; + + if (vc->cmd_reg_addr) { + voltdm->rmw(vc->smps_cmdra_mask, + vc->cmd_reg_addr << __ffs(vc->smps_cmdra_mask), + vc->smps_cmdra_reg); + vc->cfg_channel |= vc_cfg_bits->rac | vc_cfg_bits->racen; + } + + /* Set up the on, inactive, retention and off voltage */ + on_vsel = voltdm->pmic->uv_to_vsel(voltdm->pmic->on_volt); + onlp_vsel = voltdm->pmic->uv_to_vsel(voltdm->pmic->onlp_volt); + ret_vsel = voltdm->pmic->uv_to_vsel(voltdm->pmic->ret_volt); + off_vsel = voltdm->pmic->uv_to_vsel(voltdm->pmic->off_volt); + val = ((on_vsel << vc->common->cmd_on_shift) | + (onlp_vsel << vc->common->cmd_onlp_shift) | + (ret_vsel << vc->common->cmd_ret_shift) | + (off_vsel << vc->common->cmd_off_shift)); + voltdm->write(val, vc->cmdval_reg); + vc->cfg_channel |= vc_cfg_bits->cmd; + + /* Channel configuration */ + omap_vc_config_channel(voltdm); + + /* Configure the setup times */ + voltdm->rmw(voltdm->vfsm->voltsetup_mask, + vc->setup_time << __ffs(voltdm->vfsm->voltsetup_mask), + voltdm->vfsm->voltsetup_reg); + + omap_vc_i2c_init(voltdm); + + if (cpu_is_omap34xx()) + omap3_vc_init_channel(voltdm); + else if (cpu_is_omap44xx()) + omap4_vc_init_channel(voltdm); +} + diff --git a/arch/arm/mach-omap2/vc.h b/arch/arm/mach-omap2/vc.h index e7767771de49..478bf6b432c4 100644 --- a/arch/arm/mach-omap2/vc.h +++ b/arch/arm/mach-omap2/vc.h @@ -19,12 +19,12 @@ #include <linux/kernel.h> +struct voltagedomain; + /** - * struct omap_vc_common_data - per-VC register/bitfield data + * struct omap_vc_common - per-VC register/bitfield data * @cmd_on_mask: ON bitmask in PRM_VC_CMD_VAL* register * @valid: VALID bitmask in PRM_VC_BYPASS_VAL register - * @smps_sa_reg: Offset of PRM_VC_SMPS_SA reg from PRM start - * @smps_volra_reg: Offset of PRM_VC_SMPS_VOL_RA reg from PRM start * @bypass_val_reg: Offset of PRM_VC_BYPASS_VAL reg from PRM start * @data_shift: DATA field shift in PRM_VC_BYPASS_VAL register * @slaveaddr_shift: SLAVEADDR field shift in PRM_VC_BYPASS_VAL register @@ -33,15 +33,16 @@ * @cmd_onlp_shift: ONLP field shift in PRM_VC_CMD_VAL_* register * @cmd_ret_shift: RET field shift in PRM_VC_CMD_VAL_* register * @cmd_off_shift: OFF field shift in PRM_VC_CMD_VAL_* register + * @i2c_cfg_reg: I2C configuration register offset + * @i2c_cfg_hsen_mask: high-speed mode bit field mask in I2C config register + * @i2c_mcode_mask: MCODE field mask for I2C config register * * XXX One of cmd_on_mask and cmd_on_shift are not needed * XXX VALID should probably be a shift, not a mask */ -struct omap_vc_common_data { +struct omap_vc_common { u32 cmd_on_mask; u32 valid; - u8 smps_sa_reg; - u8 smps_volra_reg; u8 bypass_val_reg; u8 data_shift; u8 slaveaddr_shift; @@ -50,34 +51,75 @@ struct omap_vc_common_data { u8 cmd_onlp_shift; u8 cmd_ret_shift; u8 cmd_off_shift; + u8 i2c_cfg_reg; + u8 i2c_cfg_hsen_mask; + u8 i2c_mcode_mask; }; +/* omap_vc_channel.flags values */ +#define OMAP_VC_CHANNEL_DEFAULT BIT(0) +#define OMAP_VC_CHANNEL_CFG_MUTANT BIT(1) + /** - * struct omap_vc_instance_data - VC per-instance data - * @vc_common: pointer to VC common data for this platform - * @smps_sa_mask: SA* bitmask in the PRM_VC_SMPS_SA register - * @smps_volra_mask: VOLRA* bitmask in the PRM_VC_VOL_RA register - * @smps_sa_shift: SA* field shift in the PRM_VC_SMPS_SA register - * @smps_volra_shift: VOLRA* field shift in the PRM_VC_VOL_RA register + * struct omap_vc_channel - VC per-instance data + * @i2c_slave_addr: I2C slave address of PMIC for this VC channel + * @volt_reg_addr: voltage configuration register address + * @cmd_reg_addr: command configuration register address + * @setup_time: setup time (in sys_clk cycles) of regulator for this channel + * @cfg_channel: current value of VC channel configuration register + * @i2c_high_speed: whether or not to use I2C high-speed mode * - * XXX It is not necessary to have both a *_mask and a *_shift - - * remove one + * @common: pointer to VC common data for this platform + * @smps_sa_mask: i2c slave address bitmask in the PRM_VC_SMPS_SA register + * @smps_volra_mask: VOLRA* bitmask in the PRM_VC_VOL_RA register + * @smps_cmdra_mask: CMDRA* bitmask in the PRM_VC_CMD_RA register + * @cmdval_reg: register for on/ret/off voltage level values for this channel + * @smps_sa_reg: Offset of PRM_VC_SMPS_SA reg from PRM start + * @smps_volra_reg: Offset of PRM_VC_SMPS_VOL_RA reg from PRM start + * @smps_cmdra_reg: Offset of PRM_VC_SMPS_CMD_RA reg from PRM start + * @cfg_channel_reg: VC channel configuration register + * @cfg_channel_sa_shift: bit shift for slave address cfg_channel register + * @flags: VC channel-specific flags (optional) */ -struct omap_vc_instance_data { - const struct omap_vc_common_data *vc_common; +struct omap_vc_channel { + /* channel state */ + u16 i2c_slave_addr; + u16 volt_reg_addr; + u16 cmd_reg_addr; + u16 setup_time; + u8 cfg_channel; + bool i2c_high_speed; + + /* register access data */ + const struct omap_vc_common *common; u32 smps_sa_mask; u32 smps_volra_mask; + u32 smps_cmdra_mask; u8 cmdval_reg; - u8 smps_sa_shift; - u8 smps_volra_shift; + u8 smps_sa_reg; + u8 smps_volra_reg; + u8 smps_cmdra_reg; + u8 cfg_channel_reg; + u8 cfg_channel_sa_shift; + u8 flags; }; -extern struct omap_vc_instance_data omap3_vc1_data; -extern struct omap_vc_instance_data omap3_vc2_data; +extern struct omap_vc_channel omap3_vc_mpu; +extern struct omap_vc_channel omap3_vc_core; + +extern struct omap_vc_channel omap4_vc_mpu; +extern struct omap_vc_channel omap4_vc_iva; +extern struct omap_vc_channel omap4_vc_core; -extern struct omap_vc_instance_data omap4_vc_mpu_data; -extern struct omap_vc_instance_data omap4_vc_iva_data; -extern struct omap_vc_instance_data omap4_vc_core_data; +void omap_vc_init_channel(struct voltagedomain *voltdm); +int omap_vc_pre_scale(struct voltagedomain *voltdm, + unsigned long target_volt, + u8 *target_vsel, u8 *current_vsel); +void omap_vc_post_scale(struct voltagedomain *voltdm, + unsigned long target_volt, + u8 target_vsel, u8 current_vsel); +int omap_vc_bypass_scale(struct voltagedomain *voltdm, + unsigned long target_volt); #endif diff --git a/arch/arm/mach-omap2/vc3xxx_data.c b/arch/arm/mach-omap2/vc3xxx_data.c index f37dc4bc379a..cfe348e1af0e 100644 --- a/arch/arm/mach-omap2/vc3xxx_data.c +++ b/arch/arm/mach-omap2/vc3xxx_data.c @@ -29,9 +29,7 @@ * VC data common to 34xx/36xx chips * XXX This stuff presumably belongs in the vc3xxx.c or vc.c file. */ -static struct omap_vc_common_data omap3_vc_common = { - .smps_sa_reg = OMAP3_PRM_VC_SMPS_SA_OFFSET, - .smps_volra_reg = OMAP3_PRM_VC_SMPS_VOL_RA_OFFSET, +static struct omap_vc_common omap3_vc_common = { .bypass_val_reg = OMAP3_PRM_VC_BYPASS_VAL_OFFSET, .data_shift = OMAP3430_DATA_SHIFT, .slaveaddr_shift = OMAP3430_SLAVEADDR_SHIFT, @@ -42,22 +40,33 @@ static struct omap_vc_common_data omap3_vc_common = { .cmd_onlp_shift = OMAP3430_VC_CMD_ONLP_SHIFT, .cmd_ret_shift = OMAP3430_VC_CMD_RET_SHIFT, .cmd_off_shift = OMAP3430_VC_CMD_OFF_SHIFT, + .i2c_cfg_hsen_mask = OMAP3430_HSEN_MASK, + .i2c_cfg_reg = OMAP3_PRM_VC_I2C_CFG_OFFSET, + .i2c_mcode_mask = OMAP3430_MCODE_MASK, }; -struct omap_vc_instance_data omap3_vc1_data = { - .vc_common = &omap3_vc_common, +struct omap_vc_channel omap3_vc_mpu = { + .common = &omap3_vc_common, + .smps_sa_reg = OMAP3_PRM_VC_SMPS_SA_OFFSET, + .smps_volra_reg = OMAP3_PRM_VC_SMPS_VOL_RA_OFFSET, + .smps_cmdra_reg = OMAP3_PRM_VC_SMPS_CMD_RA_OFFSET, + .cfg_channel_reg = OMAP3_PRM_VC_CH_CONF_OFFSET, .cmdval_reg = OMAP3_PRM_VC_CMD_VAL_0_OFFSET, - .smps_sa_shift = OMAP3430_PRM_VC_SMPS_SA_SA0_SHIFT, .smps_sa_mask = OMAP3430_PRM_VC_SMPS_SA_SA0_MASK, - .smps_volra_shift = OMAP3430_VOLRA0_SHIFT, .smps_volra_mask = OMAP3430_VOLRA0_MASK, + .smps_cmdra_mask = OMAP3430_CMDRA0_MASK, + .cfg_channel_sa_shift = OMAP3430_PRM_VC_SMPS_SA_SA0_SHIFT, }; -struct omap_vc_instance_data omap3_vc2_data = { - .vc_common = &omap3_vc_common, +struct omap_vc_channel omap3_vc_core = { + .common = &omap3_vc_common, + .smps_sa_reg = OMAP3_PRM_VC_SMPS_SA_OFFSET, + .smps_volra_reg = OMAP3_PRM_VC_SMPS_VOL_RA_OFFSET, + .smps_cmdra_reg = OMAP3_PRM_VC_SMPS_CMD_RA_OFFSET, + .cfg_channel_reg = OMAP3_PRM_VC_CH_CONF_OFFSET, .cmdval_reg = OMAP3_PRM_VC_CMD_VAL_1_OFFSET, - .smps_sa_shift = OMAP3430_PRM_VC_SMPS_SA_SA1_SHIFT, .smps_sa_mask = OMAP3430_PRM_VC_SMPS_SA_SA1_MASK, - .smps_volra_shift = OMAP3430_VOLRA1_SHIFT, .smps_volra_mask = OMAP3430_VOLRA1_MASK, + .smps_cmdra_mask = OMAP3430_CMDRA1_MASK, + .cfg_channel_sa_shift = OMAP3430_PRM_VC_SMPS_SA_SA1_SHIFT, }; diff --git a/arch/arm/mach-omap2/vc44xx_data.c b/arch/arm/mach-omap2/vc44xx_data.c index a98da8ddec52..2740a968145e 100644 --- a/arch/arm/mach-omap2/vc44xx_data.c +++ b/arch/arm/mach-omap2/vc44xx_data.c @@ -30,9 +30,7 @@ * VC data common to 44xx chips * XXX This stuff presumably belongs in the vc3xxx.c or vc.c file. */ -static const struct omap_vc_common_data omap4_vc_common = { - .smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET, - .smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET, +static const struct omap_vc_common omap4_vc_common = { .bypass_val_reg = OMAP4_PRM_VC_VAL_BYPASS_OFFSET, .data_shift = OMAP4430_DATA_SHIFT, .slaveaddr_shift = OMAP4430_SLAVEADDR_SHIFT, @@ -43,33 +41,49 @@ static const struct omap_vc_common_data omap4_vc_common = { .cmd_onlp_shift = OMAP4430_ONLP_SHIFT, .cmd_ret_shift = OMAP4430_RET_SHIFT, .cmd_off_shift = OMAP4430_OFF_SHIFT, + .i2c_cfg_reg = OMAP4_PRM_VC_CFG_I2C_MODE_OFFSET, + .i2c_cfg_hsen_mask = OMAP4430_HSMODEEN_MASK, + .i2c_mcode_mask = OMAP4430_HSMCODE_MASK, }; /* VC instance data for each controllable voltage line */ -struct omap_vc_instance_data omap4_vc_mpu_data = { - .vc_common = &omap4_vc_common, +struct omap_vc_channel omap4_vc_mpu = { + .flags = OMAP_VC_CHANNEL_DEFAULT | OMAP_VC_CHANNEL_CFG_MUTANT, + .common = &omap4_vc_common, + .smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET, + .smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET, + .smps_cmdra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET, + .cfg_channel_reg = OMAP4_PRM_VC_CFG_CHANNEL_OFFSET, .cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_MPU_L_OFFSET, - .smps_sa_shift = OMAP4430_SA_VDD_MPU_L_PRM_VC_SMPS_SA_SHIFT, .smps_sa_mask = OMAP4430_SA_VDD_MPU_L_PRM_VC_SMPS_SA_MASK, - .smps_volra_shift = OMAP4430_VOLRA_VDD_MPU_L_SHIFT, .smps_volra_mask = OMAP4430_VOLRA_VDD_MPU_L_MASK, + .smps_cmdra_mask = OMAP4430_CMDRA_VDD_MPU_L_MASK, + .cfg_channel_sa_shift = OMAP4430_SA_VDD_MPU_L_SHIFT, }; -struct omap_vc_instance_data omap4_vc_iva_data = { - .vc_common = &omap4_vc_common, +struct omap_vc_channel omap4_vc_iva = { + .common = &omap4_vc_common, + .smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET, + .smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET, + .smps_cmdra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET, + .cfg_channel_reg = OMAP4_PRM_VC_CFG_CHANNEL_OFFSET, .cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_IVA_L_OFFSET, - .smps_sa_shift = OMAP4430_SA_VDD_IVA_L_PRM_VC_SMPS_SA_SHIFT, .smps_sa_mask = OMAP4430_SA_VDD_IVA_L_PRM_VC_SMPS_SA_MASK, - .smps_volra_shift = OMAP4430_VOLRA_VDD_IVA_L_SHIFT, .smps_volra_mask = OMAP4430_VOLRA_VDD_IVA_L_MASK, + .smps_cmdra_mask = OMAP4430_CMDRA_VDD_IVA_L_MASK, + .cfg_channel_sa_shift = OMAP4430_SA_VDD_IVA_L_SHIFT, }; -struct omap_vc_instance_data omap4_vc_core_data = { - .vc_common = &omap4_vc_common, +struct omap_vc_channel omap4_vc_core = { + .common = &omap4_vc_common, + .smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET, + .smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET, + .smps_cmdra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET, + .cfg_channel_reg = OMAP4_PRM_VC_CFG_CHANNEL_OFFSET, .cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_CORE_L_OFFSET, - .smps_sa_shift = OMAP4430_SA_VDD_CORE_L_0_6_SHIFT, .smps_sa_mask = OMAP4430_SA_VDD_CORE_L_0_6_MASK, - .smps_volra_shift = OMAP4430_VOLRA_VDD_CORE_L_SHIFT, .smps_volra_mask = OMAP4430_VOLRA_VDD_CORE_L_MASK, + .smps_cmdra_mask = OMAP4430_CMDRA_VDD_CORE_L_MASK, + .cfg_channel_sa_shift = OMAP4430_SA_VDD_CORE_L_SHIFT, }; diff --git a/arch/arm/mach-omap2/voltage.c b/arch/arm/mach-omap2/voltage.c index 9ef3789ded4b..64070ac1e761 100644 --- a/arch/arm/mach-omap2/voltage.c +++ b/arch/arm/mach-omap2/voltage.c @@ -21,10 +21,10 @@ #include <linux/delay.h> #include <linux/io.h> -#include <linux/clk.h> #include <linux/err.h> #include <linux/debugfs.h> #include <linux/slab.h> +#include <linux/clk.h> #include <plat/common.h> @@ -36,839 +36,88 @@ #include "control.h" #include "voltage.h" +#include "powerdomain.h" #include "vc.h" #include "vp.h" -#define VOLTAGE_DIR_SIZE 16 - - -static struct omap_vdd_info **vdd_info; - -/* - * Number of scalable voltage domains. - */ -static int nr_scalable_vdd; - -/* XXX document */ -static s16 prm_mod_offs; -static s16 prm_irqst_ocp_mod_offs; - -static struct dentry *voltage_dir; - -/* Init function pointers */ -static int vp_forceupdate_scale_voltage(struct omap_vdd_info *vdd, - unsigned long target_volt); - -static u32 omap3_voltage_read_reg(u16 mod, u8 offset) -{ - return omap2_prm_read_mod_reg(mod, offset); -} - -static void omap3_voltage_write_reg(u32 val, u16 mod, u8 offset) -{ - omap2_prm_write_mod_reg(val, mod, offset); -} - -static u32 omap4_voltage_read_reg(u16 mod, u8 offset) -{ - return omap4_prminst_read_inst_reg(OMAP4430_PRM_PARTITION, - mod, offset); -} - -static void omap4_voltage_write_reg(u32 val, u16 mod, u8 offset) -{ - omap4_prminst_write_inst_reg(val, OMAP4430_PRM_PARTITION, mod, offset); -} - -static int __init _config_common_vdd_data(struct omap_vdd_info *vdd) -{ - char *sys_ck_name; - struct clk *sys_ck; - u32 sys_clk_speed, timeout_val, waittime; - - /* - * XXX Clockfw should handle this, or this should be in a - * struct record - */ - if (cpu_is_omap24xx() || cpu_is_omap34xx()) - sys_ck_name = "sys_ck"; - else if (cpu_is_omap44xx()) - sys_ck_name = "sys_clkin_ck"; - else - return -EINVAL; - - /* - * Sys clk rate is require to calculate vp timeout value and - * smpswaittimemin and smpswaittimemax. - */ - sys_ck = clk_get(NULL, sys_ck_name); - if (IS_ERR(sys_ck)) { - pr_warning("%s: Could not get the sys clk to calculate" - "various vdd_%s params\n", __func__, vdd->voltdm.name); - return -EINVAL; - } - sys_clk_speed = clk_get_rate(sys_ck); - clk_put(sys_ck); - /* Divide to avoid overflow */ - sys_clk_speed /= 1000; - - /* Generic voltage parameters */ - vdd->volt_scale = vp_forceupdate_scale_voltage; - vdd->vp_enabled = false; - - vdd->vp_rt_data.vpconfig_erroroffset = - (vdd->pmic_info->vp_erroroffset << - vdd->vp_data->vp_common->vpconfig_erroroffset_shift); - - timeout_val = (sys_clk_speed * vdd->pmic_info->vp_timeout_us) / 1000; - vdd->vp_rt_data.vlimitto_timeout = timeout_val; - vdd->vp_rt_data.vlimitto_vddmin = vdd->pmic_info->vp_vddmin; - vdd->vp_rt_data.vlimitto_vddmax = vdd->pmic_info->vp_vddmax; - - waittime = ((vdd->pmic_info->step_size / vdd->pmic_info->slew_rate) * - sys_clk_speed) / 1000; - vdd->vp_rt_data.vstepmin_smpswaittimemin = waittime; - vdd->vp_rt_data.vstepmax_smpswaittimemax = waittime; - vdd->vp_rt_data.vstepmin_stepmin = vdd->pmic_info->vp_vstepmin; - vdd->vp_rt_data.vstepmax_stepmax = vdd->pmic_info->vp_vstepmax; - - return 0; -} - -/* Voltage debugfs support */ -static int vp_volt_debug_get(void *data, u64 *val) -{ - struct omap_vdd_info *vdd = (struct omap_vdd_info *) data; - u8 vsel; - - if (!vdd) { - pr_warning("Wrong paramater passed\n"); - return -EINVAL; - } - - vsel = vdd->read_reg(prm_mod_offs, vdd->vp_data->voltage); - - if (!vdd->pmic_info->vsel_to_uv) { - pr_warning("PMIC function to convert vsel to voltage" - "in uV not registerd\n"); - return -EINVAL; - } - - *val = vdd->pmic_info->vsel_to_uv(vsel); - return 0; -} - -static int nom_volt_debug_get(void *data, u64 *val) -{ - struct omap_vdd_info *vdd = (struct omap_vdd_info *) data; - - if (!vdd) { - pr_warning("Wrong paramater passed\n"); - return -EINVAL; - } - - *val = omap_voltage_get_nom_volt(&vdd->voltdm); - - return 0; -} - -DEFINE_SIMPLE_ATTRIBUTE(vp_volt_debug_fops, vp_volt_debug_get, NULL, "%llu\n"); -DEFINE_SIMPLE_ATTRIBUTE(nom_volt_debug_fops, nom_volt_debug_get, NULL, - "%llu\n"); -static void vp_latch_vsel(struct omap_vdd_info *vdd) -{ - u32 vpconfig; - unsigned long uvdc; - char vsel; - - uvdc = omap_voltage_get_nom_volt(&vdd->voltdm); - if (!uvdc) { - pr_warning("%s: unable to find current voltage for vdd_%s\n", - __func__, vdd->voltdm.name); - return; - } - - if (!vdd->pmic_info || !vdd->pmic_info->uv_to_vsel) { - pr_warning("%s: PMIC function to convert voltage in uV to" - " vsel not registered\n", __func__); - return; - } - - vsel = vdd->pmic_info->uv_to_vsel(uvdc); - - vpconfig = vdd->read_reg(prm_mod_offs, vdd->vp_data->vpconfig); - vpconfig &= ~(vdd->vp_data->vp_common->vpconfig_initvoltage_mask | - vdd->vp_data->vp_common->vpconfig_initvdd); - vpconfig |= vsel << vdd->vp_data->vp_common->vpconfig_initvoltage_shift; - - vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig); - - /* Trigger initVDD value copy to voltage processor */ - vdd->write_reg((vpconfig | vdd->vp_data->vp_common->vpconfig_initvdd), - prm_mod_offs, vdd->vp_data->vpconfig); - - /* Clear initVDD copy trigger bit */ - vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig); -} - -/* Generic voltage init functions */ -static void __init vp_init(struct omap_vdd_info *vdd) -{ - u32 vp_val; - - if (!vdd->read_reg || !vdd->write_reg) { - pr_err("%s: No read/write API for accessing vdd_%s regs\n", - __func__, vdd->voltdm.name); - return; - } - - vp_val = vdd->vp_rt_data.vpconfig_erroroffset | - (vdd->vp_rt_data.vpconfig_errorgain << - vdd->vp_data->vp_common->vpconfig_errorgain_shift) | - vdd->vp_data->vp_common->vpconfig_timeouten; - vdd->write_reg(vp_val, prm_mod_offs, vdd->vp_data->vpconfig); - - vp_val = ((vdd->vp_rt_data.vstepmin_smpswaittimemin << - vdd->vp_data->vp_common->vstepmin_smpswaittimemin_shift) | - (vdd->vp_rt_data.vstepmin_stepmin << - vdd->vp_data->vp_common->vstepmin_stepmin_shift)); - vdd->write_reg(vp_val, prm_mod_offs, vdd->vp_data->vstepmin); - - vp_val = ((vdd->vp_rt_data.vstepmax_smpswaittimemax << - vdd->vp_data->vp_common->vstepmax_smpswaittimemax_shift) | - (vdd->vp_rt_data.vstepmax_stepmax << - vdd->vp_data->vp_common->vstepmax_stepmax_shift)); - vdd->write_reg(vp_val, prm_mod_offs, vdd->vp_data->vstepmax); - - vp_val = ((vdd->vp_rt_data.vlimitto_vddmax << - vdd->vp_data->vp_common->vlimitto_vddmax_shift) | - (vdd->vp_rt_data.vlimitto_vddmin << - vdd->vp_data->vp_common->vlimitto_vddmin_shift) | - (vdd->vp_rt_data.vlimitto_timeout << - vdd->vp_data->vp_common->vlimitto_timeout_shift)); - vdd->write_reg(vp_val, prm_mod_offs, vdd->vp_data->vlimitto); -} - -static void __init vdd_debugfs_init(struct omap_vdd_info *vdd) -{ - char *name; - - name = kzalloc(VOLTAGE_DIR_SIZE, GFP_KERNEL); - if (!name) { - pr_warning("%s: Unable to allocate memory for debugfs" - " directory name for vdd_%s", - __func__, vdd->voltdm.name); - return; - } - strcpy(name, "vdd_"); - strcat(name, vdd->voltdm.name); - - vdd->debug_dir = debugfs_create_dir(name, voltage_dir); - kfree(name); - if (IS_ERR(vdd->debug_dir)) { - pr_warning("%s: Unable to create debugfs directory for" - " vdd_%s\n", __func__, vdd->voltdm.name); - vdd->debug_dir = NULL; - return; - } - - (void) debugfs_create_x16("vp_errorgain", S_IRUGO, vdd->debug_dir, - &(vdd->vp_rt_data.vpconfig_errorgain)); - (void) debugfs_create_x16("vp_smpswaittimemin", S_IRUGO, - vdd->debug_dir, - &(vdd->vp_rt_data.vstepmin_smpswaittimemin)); - (void) debugfs_create_x8("vp_stepmin", S_IRUGO, vdd->debug_dir, - &(vdd->vp_rt_data.vstepmin_stepmin)); - (void) debugfs_create_x16("vp_smpswaittimemax", S_IRUGO, - vdd->debug_dir, - &(vdd->vp_rt_data.vstepmax_smpswaittimemax)); - (void) debugfs_create_x8("vp_stepmax", S_IRUGO, vdd->debug_dir, - &(vdd->vp_rt_data.vstepmax_stepmax)); - (void) debugfs_create_x8("vp_vddmax", S_IRUGO, vdd->debug_dir, - &(vdd->vp_rt_data.vlimitto_vddmax)); - (void) debugfs_create_x8("vp_vddmin", S_IRUGO, vdd->debug_dir, - &(vdd->vp_rt_data.vlimitto_vddmin)); - (void) debugfs_create_x16("vp_timeout", S_IRUGO, vdd->debug_dir, - &(vdd->vp_rt_data.vlimitto_timeout)); - (void) debugfs_create_file("curr_vp_volt", S_IRUGO, vdd->debug_dir, - (void *) vdd, &vp_volt_debug_fops); - (void) debugfs_create_file("curr_nominal_volt", S_IRUGO, - vdd->debug_dir, (void *) vdd, - &nom_volt_debug_fops); -} - -/* Voltage scale and accessory APIs */ -static int _pre_volt_scale(struct omap_vdd_info *vdd, - unsigned long target_volt, u8 *target_vsel, u8 *current_vsel) -{ - struct omap_volt_data *volt_data; - const struct omap_vc_common_data *vc_common; - const struct omap_vp_common_data *vp_common; - u32 vc_cmdval, vp_errgain_val; - - vc_common = vdd->vc_data->vc_common; - vp_common = vdd->vp_data->vp_common; - - /* Check if suffiecient pmic info is available for this vdd */ - if (!vdd->pmic_info) { - pr_err("%s: Insufficient pmic info to scale the vdd_%s\n", - __func__, vdd->voltdm.name); - return -EINVAL; - } - - if (!vdd->pmic_info->uv_to_vsel) { - pr_err("%s: PMIC function to convert voltage in uV to" - "vsel not registered. Hence unable to scale voltage" - "for vdd_%s\n", __func__, vdd->voltdm.name); - return -ENODATA; - } - - if (!vdd->read_reg || !vdd->write_reg) { - pr_err("%s: No read/write API for accessing vdd_%s regs\n", - __func__, vdd->voltdm.name); - return -EINVAL; - } - - /* Get volt_data corresponding to target_volt */ - volt_data = omap_voltage_get_voltdata(&vdd->voltdm, target_volt); - if (IS_ERR(volt_data)) - volt_data = NULL; - - *target_vsel = vdd->pmic_info->uv_to_vsel(target_volt); - *current_vsel = vdd->read_reg(prm_mod_offs, vdd->vp_data->voltage); - - /* Setting the ON voltage to the new target voltage */ - vc_cmdval = vdd->read_reg(prm_mod_offs, vdd->vc_data->cmdval_reg); - vc_cmdval &= ~vc_common->cmd_on_mask; - vc_cmdval |= (*target_vsel << vc_common->cmd_on_shift); - vdd->write_reg(vc_cmdval, prm_mod_offs, vdd->vc_data->cmdval_reg); - - /* Setting vp errorgain based on the voltage */ - if (volt_data) { - vp_errgain_val = vdd->read_reg(prm_mod_offs, - vdd->vp_data->vpconfig); - vdd->vp_rt_data.vpconfig_errorgain = volt_data->vp_errgain; - vp_errgain_val &= ~vp_common->vpconfig_errorgain_mask; - vp_errgain_val |= vdd->vp_rt_data.vpconfig_errorgain << - vp_common->vpconfig_errorgain_shift; - vdd->write_reg(vp_errgain_val, prm_mod_offs, - vdd->vp_data->vpconfig); - } - - return 0; -} - -static void _post_volt_scale(struct omap_vdd_info *vdd, - unsigned long target_volt, u8 target_vsel, u8 current_vsel) -{ - u32 smps_steps = 0, smps_delay = 0; - - smps_steps = abs(target_vsel - current_vsel); - /* SMPS slew rate / step size. 2us added as buffer. */ - smps_delay = ((smps_steps * vdd->pmic_info->step_size) / - vdd->pmic_info->slew_rate) + 2; - udelay(smps_delay); - - vdd->curr_volt = target_volt; -} - -/* vc_bypass_scale_voltage - VC bypass method of voltage scaling */ -static int vc_bypass_scale_voltage(struct omap_vdd_info *vdd, - unsigned long target_volt) -{ - u32 loop_cnt = 0, retries_cnt = 0; - u32 vc_valid, vc_bypass_val_reg, vc_bypass_value; - u8 target_vsel, current_vsel; - int ret; - - ret = _pre_volt_scale(vdd, target_volt, &target_vsel, ¤t_vsel); - if (ret) - return ret; - - vc_valid = vdd->vc_data->vc_common->valid; - vc_bypass_val_reg = vdd->vc_data->vc_common->bypass_val_reg; - vc_bypass_value = (target_vsel << vdd->vc_data->vc_common->data_shift) | - (vdd->pmic_info->pmic_reg << - vdd->vc_data->vc_common->regaddr_shift) | - (vdd->pmic_info->i2c_slave_addr << - vdd->vc_data->vc_common->slaveaddr_shift); - - vdd->write_reg(vc_bypass_value, prm_mod_offs, vc_bypass_val_reg); - vdd->write_reg(vc_bypass_value | vc_valid, prm_mod_offs, - vc_bypass_val_reg); - - vc_bypass_value = vdd->read_reg(prm_mod_offs, vc_bypass_val_reg); - /* - * Loop till the bypass command is acknowledged from the SMPS. - * NOTE: This is legacy code. The loop count and retry count needs - * to be revisited. - */ - while (!(vc_bypass_value & vc_valid)) { - loop_cnt++; - - if (retries_cnt > 10) { - pr_warning("%s: Retry count exceeded\n", __func__); - return -ETIMEDOUT; - } - - if (loop_cnt > 50) { - retries_cnt++; - loop_cnt = 0; - udelay(10); - } - vc_bypass_value = vdd->read_reg(prm_mod_offs, - vc_bypass_val_reg); - } - - _post_volt_scale(vdd, target_volt, target_vsel, current_vsel); - return 0; -} - -/* VP force update method of voltage scaling */ -static int vp_forceupdate_scale_voltage(struct omap_vdd_info *vdd, - unsigned long target_volt) -{ - u32 vpconfig; - u8 target_vsel, current_vsel, prm_irqst_reg; - int ret, timeout = 0; - - ret = _pre_volt_scale(vdd, target_volt, &target_vsel, ¤t_vsel); - if (ret) - return ret; - - prm_irqst_reg = vdd->vp_data->prm_irqst_data->prm_irqst_reg; - - /* - * Clear all pending TransactionDone interrupt/status. Typical latency - * is <3us - */ - while (timeout++ < VP_TRANXDONE_TIMEOUT) { - vdd->write_reg(vdd->vp_data->prm_irqst_data->tranxdone_status, - prm_irqst_ocp_mod_offs, prm_irqst_reg); - if (!(vdd->read_reg(prm_irqst_ocp_mod_offs, prm_irqst_reg) & - vdd->vp_data->prm_irqst_data->tranxdone_status)) - break; - udelay(1); - } - if (timeout >= VP_TRANXDONE_TIMEOUT) { - pr_warning("%s: vdd_%s TRANXDONE timeout exceeded." - "Voltage change aborted", __func__, vdd->voltdm.name); - return -ETIMEDOUT; - } - - /* Configure for VP-Force Update */ - vpconfig = vdd->read_reg(prm_mod_offs, vdd->vp_data->vpconfig); - vpconfig &= ~(vdd->vp_data->vp_common->vpconfig_initvdd | - vdd->vp_data->vp_common->vpconfig_forceupdate | - vdd->vp_data->vp_common->vpconfig_initvoltage_mask); - vpconfig |= ((target_vsel << - vdd->vp_data->vp_common->vpconfig_initvoltage_shift)); - vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig); - - /* Trigger initVDD value copy to voltage processor */ - vpconfig |= vdd->vp_data->vp_common->vpconfig_initvdd; - vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig); - - /* Force update of voltage */ - vpconfig |= vdd->vp_data->vp_common->vpconfig_forceupdate; - vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig); - - /* - * Wait for TransactionDone. Typical latency is <200us. - * Depends on SMPSWAITTIMEMIN/MAX and voltage change - */ - timeout = 0; - omap_test_timeout((vdd->read_reg(prm_irqst_ocp_mod_offs, prm_irqst_reg) & - vdd->vp_data->prm_irqst_data->tranxdone_status), - VP_TRANXDONE_TIMEOUT, timeout); - if (timeout >= VP_TRANXDONE_TIMEOUT) - pr_err("%s: vdd_%s TRANXDONE timeout exceeded." - "TRANXDONE never got set after the voltage update\n", - __func__, vdd->voltdm.name); - - _post_volt_scale(vdd, target_volt, target_vsel, current_vsel); - - /* - * Disable TransactionDone interrupt , clear all status, clear - * control registers - */ - timeout = 0; - while (timeout++ < VP_TRANXDONE_TIMEOUT) { - vdd->write_reg(vdd->vp_data->prm_irqst_data->tranxdone_status, - prm_irqst_ocp_mod_offs, prm_irqst_reg); - if (!(vdd->read_reg(prm_irqst_ocp_mod_offs, prm_irqst_reg) & - vdd->vp_data->prm_irqst_data->tranxdone_status)) - break; - udelay(1); - } - - if (timeout >= VP_TRANXDONE_TIMEOUT) - pr_warning("%s: vdd_%s TRANXDONE timeout exceeded while trying" - "to clear the TRANXDONE status\n", - __func__, vdd->voltdm.name); - - vpconfig = vdd->read_reg(prm_mod_offs, vdd->vp_data->vpconfig); - /* Clear initVDD copy trigger bit */ - vpconfig &= ~vdd->vp_data->vp_common->vpconfig_initvdd; - vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig); - /* Clear force bit */ - vpconfig &= ~vdd->vp_data->vp_common->vpconfig_forceupdate; - vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig); - - return 0; -} - -static void __init omap3_vfsm_init(struct omap_vdd_info *vdd) -{ - /* - * Voltage Manager FSM parameters init - * XXX This data should be passed in from the board file - */ - vdd->write_reg(OMAP3_CLKSETUP, prm_mod_offs, OMAP3_PRM_CLKSETUP_OFFSET); - vdd->write_reg(OMAP3_VOLTOFFSET, prm_mod_offs, - OMAP3_PRM_VOLTOFFSET_OFFSET); - vdd->write_reg(OMAP3_VOLTSETUP2, prm_mod_offs, - OMAP3_PRM_VOLTSETUP2_OFFSET); -} - -static void __init omap3_vc_init(struct omap_vdd_info *vdd) -{ - static bool is_initialized; - u8 on_vsel, onlp_vsel, ret_vsel, off_vsel; - u32 vc_val; - - if (is_initialized) - return; - - /* Set up the on, inactive, retention and off voltage */ - on_vsel = vdd->pmic_info->uv_to_vsel(vdd->pmic_info->on_volt); - onlp_vsel = vdd->pmic_info->uv_to_vsel(vdd->pmic_info->onlp_volt); - ret_vsel = vdd->pmic_info->uv_to_vsel(vdd->pmic_info->ret_volt); - off_vsel = vdd->pmic_info->uv_to_vsel(vdd->pmic_info->off_volt); - vc_val = ((on_vsel << vdd->vc_data->vc_common->cmd_on_shift) | - (onlp_vsel << vdd->vc_data->vc_common->cmd_onlp_shift) | - (ret_vsel << vdd->vc_data->vc_common->cmd_ret_shift) | - (off_vsel << vdd->vc_data->vc_common->cmd_off_shift)); - vdd->write_reg(vc_val, prm_mod_offs, vdd->vc_data->cmdval_reg); - - /* - * Generic VC parameters init - * XXX This data should be abstracted out - */ - vdd->write_reg(OMAP3430_CMD1_MASK | OMAP3430_RAV1_MASK, prm_mod_offs, - OMAP3_PRM_VC_CH_CONF_OFFSET); - vdd->write_reg(OMAP3430_MCODE_SHIFT | OMAP3430_HSEN_MASK, prm_mod_offs, - OMAP3_PRM_VC_I2C_CFG_OFFSET); - - omap3_vfsm_init(vdd); - - is_initialized = true; -} - - -/* OMAP4 specific voltage init functions */ -static void __init omap4_vc_init(struct omap_vdd_info *vdd) -{ - static bool is_initialized; - u32 vc_val; - - if (is_initialized) - return; - - /* TODO: Configure setup times and CMD_VAL values*/ - - /* - * Generic VC parameters init - * XXX This data should be abstracted out - */ - vc_val = (OMAP4430_RAV_VDD_MPU_L_MASK | OMAP4430_CMD_VDD_MPU_L_MASK | - OMAP4430_RAV_VDD_IVA_L_MASK | OMAP4430_CMD_VDD_IVA_L_MASK | - OMAP4430_RAV_VDD_CORE_L_MASK | OMAP4430_CMD_VDD_CORE_L_MASK); - vdd->write_reg(vc_val, prm_mod_offs, OMAP4_PRM_VC_CFG_CHANNEL_OFFSET); - - /* XXX These are magic numbers and do not belong! */ - vc_val = (0x60 << OMAP4430_SCLL_SHIFT | 0x26 << OMAP4430_SCLH_SHIFT); - vdd->write_reg(vc_val, prm_mod_offs, OMAP4_PRM_VC_CFG_I2C_CLK_OFFSET); - - is_initialized = true; -} - -static void __init omap_vc_init(struct omap_vdd_info *vdd) -{ - u32 vc_val; - - if (!vdd->pmic_info || !vdd->pmic_info->uv_to_vsel) { - pr_err("%s: PMIC info requried to configure vc for" - "vdd_%s not populated.Hence cannot initialize vc\n", - __func__, vdd->voltdm.name); - return; - } - - if (!vdd->read_reg || !vdd->write_reg) { - pr_err("%s: No read/write API for accessing vdd_%s regs\n", - __func__, vdd->voltdm.name); - return; - } - - /* Set up the SMPS_SA(i2c slave address in VC */ - vc_val = vdd->read_reg(prm_mod_offs, - vdd->vc_data->vc_common->smps_sa_reg); - vc_val &= ~vdd->vc_data->smps_sa_mask; - vc_val |= vdd->pmic_info->i2c_slave_addr << vdd->vc_data->smps_sa_shift; - vdd->write_reg(vc_val, prm_mod_offs, - vdd->vc_data->vc_common->smps_sa_reg); - - /* Setup the VOLRA(pmic reg addr) in VC */ - vc_val = vdd->read_reg(prm_mod_offs, - vdd->vc_data->vc_common->smps_volra_reg); - vc_val &= ~vdd->vc_data->smps_volra_mask; - vc_val |= vdd->pmic_info->pmic_reg << vdd->vc_data->smps_volra_shift; - vdd->write_reg(vc_val, prm_mod_offs, - vdd->vc_data->vc_common->smps_volra_reg); - - /* Configure the setup times */ - vc_val = vdd->read_reg(prm_mod_offs, vdd->vfsm->voltsetup_reg); - vc_val &= ~vdd->vfsm->voltsetup_mask; - vc_val |= vdd->pmic_info->volt_setup_time << - vdd->vfsm->voltsetup_shift; - vdd->write_reg(vc_val, prm_mod_offs, vdd->vfsm->voltsetup_reg); - - if (cpu_is_omap34xx()) - omap3_vc_init(vdd); - else if (cpu_is_omap44xx()) - omap4_vc_init(vdd); -} - -static int __init omap_vdd_data_configure(struct omap_vdd_info *vdd) -{ - int ret = -EINVAL; - - if (!vdd->pmic_info) { - pr_err("%s: PMIC info requried to configure vdd_%s not" - "populated.Hence cannot initialize vdd_%s\n", - __func__, vdd->voltdm.name, vdd->voltdm.name); - goto ovdc_out; - } - - if (IS_ERR_VALUE(_config_common_vdd_data(vdd))) - goto ovdc_out; - - if (cpu_is_omap34xx()) { - vdd->read_reg = omap3_voltage_read_reg; - vdd->write_reg = omap3_voltage_write_reg; - ret = 0; - } else if (cpu_is_omap44xx()) { - vdd->read_reg = omap4_voltage_read_reg; - vdd->write_reg = omap4_voltage_write_reg; - ret = 0; - } - -ovdc_out: - return ret; -} +static LIST_HEAD(voltdm_list); /* Public functions */ /** - * omap_voltage_get_nom_volt() - Gets the current non-auto-compensated voltage - * @voltdm: pointer to the VDD for which current voltage info is needed + * voltdm_get_voltage() - Gets the current non-auto-compensated voltage + * @voltdm: pointer to the voltdm for which current voltage info is needed * - * API to get the current non-auto-compensated voltage for a VDD. - * Returns 0 in case of error else returns the current voltage for the VDD. + * API to get the current non-auto-compensated voltage for a voltage domain. + * Returns 0 in case of error else returns the current voltage. */ -unsigned long omap_voltage_get_nom_volt(struct voltagedomain *voltdm) +unsigned long voltdm_get_voltage(struct voltagedomain *voltdm) { - struct omap_vdd_info *vdd; - if (!voltdm || IS_ERR(voltdm)) { pr_warning("%s: VDD specified does not exist!\n", __func__); return 0; } - vdd = container_of(voltdm, struct omap_vdd_info, voltdm); - - return vdd->curr_volt; + return voltdm->nominal_volt; } /** - * omap_vp_get_curr_volt() - API to get the current vp voltage. - * @voltdm: pointer to the VDD. - * - * This API returns the current voltage for the specified voltage processor - */ -unsigned long omap_vp_get_curr_volt(struct voltagedomain *voltdm) -{ - struct omap_vdd_info *vdd; - u8 curr_vsel; - - if (!voltdm || IS_ERR(voltdm)) { - pr_warning("%s: VDD specified does not exist!\n", __func__); - return 0; - } - - vdd = container_of(voltdm, struct omap_vdd_info, voltdm); - if (!vdd->read_reg) { - pr_err("%s: No read API for reading vdd_%s regs\n", - __func__, voltdm->name); - return 0; - } - - curr_vsel = vdd->read_reg(prm_mod_offs, vdd->vp_data->voltage); - - if (!vdd->pmic_info || !vdd->pmic_info->vsel_to_uv) { - pr_warning("%s: PMIC function to convert vsel to voltage" - "in uV not registerd\n", __func__); - return 0; - } - - return vdd->pmic_info->vsel_to_uv(curr_vsel); -} - -/** - * omap_vp_enable() - API to enable a particular VP - * @voltdm: pointer to the VDD whose VP is to be enabled. - * - * This API enables a particular voltage processor. Needed by the smartreflex - * class drivers. - */ -void omap_vp_enable(struct voltagedomain *voltdm) -{ - struct omap_vdd_info *vdd; - u32 vpconfig; - - if (!voltdm || IS_ERR(voltdm)) { - pr_warning("%s: VDD specified does not exist!\n", __func__); - return; - } - - vdd = container_of(voltdm, struct omap_vdd_info, voltdm); - if (!vdd->read_reg || !vdd->write_reg) { - pr_err("%s: No read/write API for accessing vdd_%s regs\n", - __func__, voltdm->name); - return; - } - - /* If VP is already enabled, do nothing. Return */ - if (vdd->vp_enabled) - return; - - vp_latch_vsel(vdd); - - /* Enable VP */ - vpconfig = vdd->read_reg(prm_mod_offs, vdd->vp_data->vpconfig); - vpconfig |= vdd->vp_data->vp_common->vpconfig_vpenable; - vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig); - vdd->vp_enabled = true; -} - -/** - * omap_vp_disable() - API to disable a particular VP - * @voltdm: pointer to the VDD whose VP is to be disabled. - * - * This API disables a particular voltage processor. Needed by the smartreflex - * class drivers. - */ -void omap_vp_disable(struct voltagedomain *voltdm) -{ - struct omap_vdd_info *vdd; - u32 vpconfig; - int timeout; - - if (!voltdm || IS_ERR(voltdm)) { - pr_warning("%s: VDD specified does not exist!\n", __func__); - return; - } - - vdd = container_of(voltdm, struct omap_vdd_info, voltdm); - if (!vdd->read_reg || !vdd->write_reg) { - pr_err("%s: No read/write API for accessing vdd_%s regs\n", - __func__, voltdm->name); - return; - } - - /* If VP is already disabled, do nothing. Return */ - if (!vdd->vp_enabled) { - pr_warning("%s: Trying to disable VP for vdd_%s when" - "it is already disabled\n", __func__, voltdm->name); - return; - } - - /* Disable VP */ - vpconfig = vdd->read_reg(prm_mod_offs, vdd->vp_data->vpconfig); - vpconfig &= ~vdd->vp_data->vp_common->vpconfig_vpenable; - vdd->write_reg(vpconfig, prm_mod_offs, vdd->vp_data->vpconfig); - - /* - * Wait for VP idle Typical latency is <2us. Maximum latency is ~100us - */ - omap_test_timeout((vdd->read_reg(prm_mod_offs, vdd->vp_data->vstatus)), - VP_IDLE_TIMEOUT, timeout); - - if (timeout >= VP_IDLE_TIMEOUT) - pr_warning("%s: vdd_%s idle timedout\n", - __func__, voltdm->name); - - vdd->vp_enabled = false; - - return; -} - -/** - * omap_voltage_scale_vdd() - API to scale voltage of a particular - * voltage domain. - * @voltdm: pointer to the VDD which is to be scaled. - * @target_volt: The target voltage of the voltage domain + * voltdm_scale() - API to scale voltage of a particular voltage domain. + * @voltdm: pointer to the voltage domain which is to be scaled. + * @target_volt: The target voltage of the voltage domain * * This API should be called by the kernel to do the voltage scaling - * for a particular voltage domain during dvfs or any other situation. + * for a particular voltage domain during DVFS. */ -int omap_voltage_scale_vdd(struct voltagedomain *voltdm, - unsigned long target_volt) +int voltdm_scale(struct voltagedomain *voltdm, + unsigned long target_volt) { - struct omap_vdd_info *vdd; + int ret; if (!voltdm || IS_ERR(voltdm)) { pr_warning("%s: VDD specified does not exist!\n", __func__); return -EINVAL; } - vdd = container_of(voltdm, struct omap_vdd_info, voltdm); - - if (!vdd->volt_scale) { + if (!voltdm->scale) { pr_err("%s: No voltage scale API registered for vdd_%s\n", __func__, voltdm->name); return -ENODATA; } - return vdd->volt_scale(vdd, target_volt); + ret = voltdm->scale(voltdm, target_volt); + if (!ret) + voltdm->nominal_volt = target_volt; + + return ret; } /** - * omap_voltage_reset() - Resets the voltage of a particular voltage domain - * to that of the current OPP. - * @voltdm: pointer to the VDD whose voltage is to be reset. + * voltdm_reset() - Resets the voltage of a particular voltage domain + * to that of the current OPP. + * @voltdm: pointer to the voltage domain whose voltage is to be reset. * * This API finds out the correct voltage the voltage domain is supposed * to be at and resets the voltage to that level. Should be used especially * while disabling any voltage compensation modules. */ -void omap_voltage_reset(struct voltagedomain *voltdm) +void voltdm_reset(struct voltagedomain *voltdm) { - unsigned long target_uvdc; + unsigned long target_volt; if (!voltdm || IS_ERR(voltdm)) { pr_warning("%s: VDD specified does not exist!\n", __func__); return; } - target_uvdc = omap_voltage_get_nom_volt(voltdm); - if (!target_uvdc) { + target_volt = voltdm_get_voltage(voltdm); + if (!target_volt) { pr_err("%s: unable to find current voltage for vdd_%s\n", __func__, voltdm->name); return; } - omap_voltage_scale_vdd(voltdm, target_uvdc); + voltdm_scale(voltdm, target_volt); } /** @@ -884,18 +133,14 @@ void omap_voltage_reset(struct voltagedomain *voltdm) * */ void omap_voltage_get_volttable(struct voltagedomain *voltdm, - struct omap_volt_data **volt_data) + struct omap_volt_data **volt_data) { - struct omap_vdd_info *vdd; - if (!voltdm || IS_ERR(voltdm)) { pr_warning("%s: VDD specified does not exist!\n", __func__); return; } - vdd = container_of(voltdm, struct omap_vdd_info, voltdm); - - *volt_data = vdd->volt_data; + *volt_data = voltdm->volt_data; } /** @@ -914,9 +159,8 @@ void omap_voltage_get_volttable(struct voltagedomain *voltdm, * domain or if there is no matching entry. */ struct omap_volt_data *omap_voltage_get_voltdata(struct voltagedomain *voltdm, - unsigned long volt) + unsigned long volt) { - struct omap_vdd_info *vdd; int i; if (!voltdm || IS_ERR(voltdm)) { @@ -924,17 +168,15 @@ struct omap_volt_data *omap_voltage_get_voltdata(struct voltagedomain *voltdm, return ERR_PTR(-EINVAL); } - vdd = container_of(voltdm, struct omap_vdd_info, voltdm); - - if (!vdd->volt_data) { + if (!voltdm->volt_data) { pr_warning("%s: voltage table does not exist for vdd_%s\n", __func__, voltdm->name); return ERR_PTR(-ENODATA); } - for (i = 0; vdd->volt_data[i].volt_nominal != 0; i++) { - if (vdd->volt_data[i].volt_nominal == volt) - return &vdd->volt_data[i]; + for (i = 0; voltdm->volt_data[i].volt_nominal != 0; i++) { + if (voltdm->volt_data[i].volt_nominal == volt) + return &voltdm->volt_data[i]; } pr_notice("%s: Unable to match the current voltage with the voltage" @@ -947,54 +189,25 @@ struct omap_volt_data *omap_voltage_get_voltdata(struct voltagedomain *voltdm, * omap_voltage_register_pmic() - API to register PMIC specific data * @voltdm: pointer to the VDD for which the PMIC specific data is * to be registered - * @pmic_info: the structure containing pmic info + * @pmic: the structure containing pmic info * * This API is to be called by the SOC/PMIC file to specify the - * pmic specific info as present in omap_volt_pmic_info structure. + * pmic specific info as present in omap_voltdm_pmic structure. */ int omap_voltage_register_pmic(struct voltagedomain *voltdm, - struct omap_volt_pmic_info *pmic_info) + struct omap_voltdm_pmic *pmic) { - struct omap_vdd_info *vdd; - if (!voltdm || IS_ERR(voltdm)) { pr_warning("%s: VDD specified does not exist!\n", __func__); return -EINVAL; } - vdd = container_of(voltdm, struct omap_vdd_info, voltdm); - - vdd->pmic_info = pmic_info; + voltdm->pmic = pmic; return 0; } /** - * omap_voltage_get_dbgdir() - API to get pointer to the debugfs directory - * corresponding to a voltage domain. - * - * @voltdm: pointer to the VDD whose debug directory is required. - * - * This API returns pointer to the debugfs directory corresponding - * to the voltage domain. Should be used by drivers requiring to - * add any debug entry for a particular voltage domain. Returns NULL - * in case of error. - */ -struct dentry *omap_voltage_get_dbgdir(struct voltagedomain *voltdm) -{ - struct omap_vdd_info *vdd; - - if (!voltdm || IS_ERR(voltdm)) { - pr_warning("%s: VDD specified does not exist!\n", __func__); - return NULL; - } - - vdd = container_of(voltdm, struct omap_vdd_info, voltdm); - - return vdd->debug_dir; -} - -/** * omap_change_voltscale_method() - API to change the voltage scaling method. * @voltdm: pointer to the VDD whose voltage scaling method * has to be changed. @@ -1005,23 +218,19 @@ struct dentry *omap_voltage_get_dbgdir(struct voltagedomain *voltdm) * defined in voltage.h */ void omap_change_voltscale_method(struct voltagedomain *voltdm, - int voltscale_method) + int voltscale_method) { - struct omap_vdd_info *vdd; - if (!voltdm || IS_ERR(voltdm)) { pr_warning("%s: VDD specified does not exist!\n", __func__); return; } - vdd = container_of(voltdm, struct omap_vdd_info, voltdm); - switch (voltscale_method) { case VOLTSCALE_VPFORCEUPDATE: - vdd->volt_scale = vp_forceupdate_scale_voltage; + voltdm->scale = omap_vp_forceupdate_scale; return; case VOLTSCALE_VCBYPASS: - vdd->volt_scale = vc_bypass_scale_voltage; + voltdm->scale = omap_vc_bypass_scale; return; default: pr_warning("%s: Trying to change the method of voltage scaling" @@ -1030,77 +239,192 @@ void omap_change_voltscale_method(struct voltagedomain *voltdm, } /** - * omap_voltage_domain_lookup() - API to get the voltage domain pointer - * @name: Name of the voltage domain + * omap_voltage_late_init() - Init the various voltage parameters * - * This API looks up in the global vdd_info struct for the - * existence of voltage domain <name>. If it exists, the API returns - * a pointer to the voltage domain structure corresponding to the - * VDD<name>. Else retuns error pointer. + * This API is to be called in the later stages of the + * system boot to init the voltage controller and + * voltage processors. */ -struct voltagedomain *omap_voltage_domain_lookup(char *name) +int __init omap_voltage_late_init(void) { - int i; + struct voltagedomain *voltdm; - if (!vdd_info) { - pr_err("%s: Voltage driver init not yet happened.Faulting!\n", + if (list_empty(&voltdm_list)) { + pr_err("%s: Voltage driver support not added\n", __func__); - return ERR_PTR(-EINVAL); + return -EINVAL; } - if (!name) { - pr_err("%s: No name to get the votage domain!\n", __func__); - return ERR_PTR(-EINVAL); + list_for_each_entry(voltdm, &voltdm_list, node) { + struct clk *sys_ck; + + if (!voltdm->scalable) + continue; + + sys_ck = clk_get(NULL, voltdm->sys_clk.name); + if (IS_ERR(sys_ck)) { + pr_warning("%s: Could not get sys clk.\n", __func__); + return -EINVAL; + } + voltdm->sys_clk.rate = clk_get_rate(sys_ck); + WARN_ON(!voltdm->sys_clk.rate); + clk_put(sys_ck); + + if (voltdm->vc) { + voltdm->scale = omap_vc_bypass_scale; + omap_vc_init_channel(voltdm); + } + + if (voltdm->vp) { + voltdm->scale = omap_vp_forceupdate_scale; + omap_vp_init(voltdm); + } } - for (i = 0; i < nr_scalable_vdd; i++) { - if (!(strcmp(name, vdd_info[i]->voltdm.name))) - return &vdd_info[i]->voltdm; + return 0; +} + +static struct voltagedomain *_voltdm_lookup(const char *name) +{ + struct voltagedomain *voltdm, *temp_voltdm; + + voltdm = NULL; + + list_for_each_entry(temp_voltdm, &voltdm_list, node) { + if (!strcmp(name, temp_voltdm->name)) { + voltdm = temp_voltdm; + break; + } } - return ERR_PTR(-EINVAL); + return voltdm; } /** - * omap_voltage_late_init() - Init the various voltage parameters + * voltdm_add_pwrdm - add a powerdomain to a voltagedomain + * @voltdm: struct voltagedomain * to add the powerdomain to + * @pwrdm: struct powerdomain * to associate with a voltagedomain * - * This API is to be called in the later stages of the - * system boot to init the voltage controller and - * voltage processors. + * Associate the powerdomain @pwrdm with a voltagedomain @voltdm. This + * enables the use of voltdm_for_each_pwrdm(). Returns -EINVAL if + * presented with invalid pointers; -ENOMEM if memory could not be allocated; + * or 0 upon success. */ -int __init omap_voltage_late_init(void) +int voltdm_add_pwrdm(struct voltagedomain *voltdm, struct powerdomain *pwrdm) { - int i; + if (!voltdm || !pwrdm) + return -EINVAL; - if (!vdd_info) { - pr_err("%s: Voltage driver support not added\n", - __func__); + pr_debug("voltagedomain: associating powerdomain %s with voltagedomain " + "%s\n", pwrdm->name, voltdm->name); + + list_add(&pwrdm->voltdm_node, &voltdm->pwrdm_list); + + return 0; +} + +/** + * voltdm_for_each_pwrdm - call function for each pwrdm in a voltdm + * @voltdm: struct voltagedomain * to iterate over + * @fn: callback function * + * + * Call the supplied function @fn for each powerdomain in the + * voltagedomain @voltdm. Returns -EINVAL if presented with invalid + * pointers; or passes along the last return value of the callback + * function, which should be 0 for success or anything else to + * indicate failure. + */ +int voltdm_for_each_pwrdm(struct voltagedomain *voltdm, + int (*fn)(struct voltagedomain *voltdm, + struct powerdomain *pwrdm)) +{ + struct powerdomain *pwrdm; + int ret = 0; + + if (!fn) return -EINVAL; - } - voltage_dir = debugfs_create_dir("voltage", NULL); - if (IS_ERR(voltage_dir)) - pr_err("%s: Unable to create voltage debugfs main dir\n", - __func__); - for (i = 0; i < nr_scalable_vdd; i++) { - if (omap_vdd_data_configure(vdd_info[i])) - continue; - omap_vc_init(vdd_info[i]); - vp_init(vdd_info[i]); - vdd_debugfs_init(vdd_info[i]); + list_for_each_entry(pwrdm, &voltdm->pwrdm_list, voltdm_node) + ret = (*fn)(voltdm, pwrdm); + + return ret; +} + +/** + * voltdm_for_each - call function on each registered voltagedomain + * @fn: callback function * + * + * Call the supplied function @fn for each registered voltagedomain. + * The callback function @fn can return anything but 0 to bail out + * early from the iterator. Returns the last return value of the + * callback function, which should be 0 for success or anything else + * to indicate failure; or -EINVAL if the function pointer is null. + */ +int voltdm_for_each(int (*fn)(struct voltagedomain *voltdm, void *user), + void *user) +{ + struct voltagedomain *temp_voltdm; + int ret = 0; + + if (!fn) + return -EINVAL; + + list_for_each_entry(temp_voltdm, &voltdm_list, node) { + ret = (*fn)(temp_voltdm, user); + if (ret) + break; } - return 0; + return ret; } -/* XXX document */ -int __init omap_voltage_early_init(s16 prm_mod, s16 prm_irqst_ocp_mod, - struct omap_vdd_info *omap_vdd_array[], - u8 omap_vdd_count) +static int _voltdm_register(struct voltagedomain *voltdm) { - prm_mod_offs = prm_mod; - prm_irqst_ocp_mod_offs = prm_irqst_ocp_mod; - vdd_info = omap_vdd_array; - nr_scalable_vdd = omap_vdd_count; + if (!voltdm || !voltdm->name) + return -EINVAL; + + INIT_LIST_HEAD(&voltdm->pwrdm_list); + list_add(&voltdm->node, &voltdm_list); + + pr_debug("voltagedomain: registered %s\n", voltdm->name); + return 0; } + +/** + * voltdm_lookup - look up a voltagedomain by name, return a pointer + * @name: name of voltagedomain + * + * Find a registered voltagedomain by its name @name. Returns a pointer + * to the struct voltagedomain if found, or NULL otherwise. + */ +struct voltagedomain *voltdm_lookup(const char *name) +{ + struct voltagedomain *voltdm ; + + if (!name) + return NULL; + + voltdm = _voltdm_lookup(name); + + return voltdm; +} + +/** + * voltdm_init - set up the voltagedomain layer + * @voltdm_list: array of struct voltagedomain pointers to register + * + * Loop through the array of voltagedomains @voltdm_list, registering all + * that are available on the current CPU. If voltdm_list is supplied + * and not null, all of the referenced voltagedomains will be + * registered. No return value. + */ +void voltdm_init(struct voltagedomain **voltdms) +{ + struct voltagedomain **v; + + if (voltdms) { + for (v = voltdms; *v; v++) + _voltdm_register(*v); + } +} diff --git a/arch/arm/mach-omap2/voltage.h b/arch/arm/mach-omap2/voltage.h index e9f5408244e0..16a1b092cf36 100644 --- a/arch/arm/mach-omap2/voltage.h +++ b/arch/arm/mach-omap2/voltage.h @@ -19,6 +19,8 @@ #include "vc.h" #include "vp.h" +struct powerdomain; + /* XXX document */ #define VOLTSCALE_VPFORCEUPDATE 1 #define VOLTSCALE_VCBYPASS 2 @@ -32,29 +34,60 @@ #define OMAP3_VOLTSETUP2 0xff /** - * struct omap_vfsm_instance_data - per-voltage manager FSM register/bitfield + * struct omap_vfsm_instance - per-voltage manager FSM register/bitfield * data * @voltsetup_mask: SETUP_TIME* bitmask in the PRM_VOLTSETUP* register * @voltsetup_reg: register offset of PRM_VOLTSETUP from PRM base - * @voltsetup_shift: SETUP_TIME* field shift in the PRM_VOLTSETUP* register * * XXX What about VOLTOFFSET/VOLTCTRL? - * XXX It is not necessary to have both a _mask and a _shift for the same - * bitfield - remove one! */ -struct omap_vfsm_instance_data { +struct omap_vfsm_instance { u32 voltsetup_mask; u8 voltsetup_reg; - u8 voltsetup_shift; }; /** * struct voltagedomain - omap voltage domain global structure. - * @name: Name of the voltage domain which can be used as a unique - * identifier. + * @name: Name of the voltage domain which can be used as a unique identifier. + * @scalable: Whether or not this voltage domain is scalable + * @node: list_head linking all voltage domains + * @pwrdm_list: list_head linking all powerdomains in this voltagedomain + * @vc: pointer to VC channel associated with this voltagedomain + * @vp: pointer to VP associated with this voltagedomain + * @read: read a VC/VP register + * @write: write a VC/VP register + * @read: read-modify-write a VC/VP register + * @sys_clk: system clock name/frequency, used for various timing calculations + * @scale: function used to scale the voltage of the voltagedomain + * @nominal_volt: current nominal voltage for this voltage domain + * @volt_data: voltage table having the distinct voltages supported + * by the domain and other associated per voltage data. */ struct voltagedomain { char *name; + bool scalable; + struct list_head node; + struct list_head pwrdm_list; + struct omap_vc_channel *vc; + const struct omap_vfsm_instance *vfsm; + struct omap_vp_instance *vp; + struct omap_voltdm_pmic *pmic; + + /* VC/VP register access functions: SoC specific */ + u32 (*read) (u8 offset); + void (*write) (u32 val, u8 offset); + u32 (*rmw)(u32 mask, u32 bits, u8 offset); + + union { + const char *name; + u32 rate; + } sys_clk; + + int (*scale) (struct voltagedomain *voltdm, + unsigned long target_volt); + + u32 nominal_volt; + struct omap_volt_data *volt_data; }; /** @@ -77,13 +110,18 @@ struct omap_volt_data { }; /** - * struct omap_volt_pmic_info - PMIC specific data required by voltage driver. + * struct omap_voltdm_pmic - PMIC specific data required by voltage driver. * @slew_rate: PMIC slew rate (in uv/us) * @step_size: PMIC voltage step size (in uv) + * @i2c_slave_addr: I2C slave address of PMIC + * @volt_reg_addr: voltage configuration register address + * @cmd_reg_addr: command (on, on-LP, ret, off) configuration register address + * @i2c_high_speed: whether VC uses I2C high-speed mode to PMIC + * @i2c_mcode: master code value for I2C high-speed preamble transmission * @vsel_to_uv: PMIC API to convert vsel value to actual voltage in uV. * @uv_to_vsel: PMIC API to convert voltage in uV to vsel value. */ -struct omap_volt_pmic_info { +struct omap_voltdm_pmic { int slew_rate; int step_size; u32 on_volt; @@ -91,94 +129,44 @@ struct omap_volt_pmic_info { u32 ret_volt; u32 off_volt; u16 volt_setup_time; + u16 i2c_slave_addr; + u16 volt_reg_addr; + u16 cmd_reg_addr; u8 vp_erroroffset; u8 vp_vstepmin; u8 vp_vstepmax; u8 vp_vddmin; u8 vp_vddmax; u8 vp_timeout_us; - u8 i2c_slave_addr; - u8 pmic_reg; + bool i2c_high_speed; + u8 i2c_mcode; unsigned long (*vsel_to_uv) (const u8 vsel); u8 (*uv_to_vsel) (unsigned long uV); }; -/** - * omap_vdd_info - Per Voltage Domain info - * - * @volt_data : voltage table having the distinct voltages supported - * by the domain and other associated per voltage data. - * @pmic_info : pmic specific parameters which should be populted by - * the pmic drivers. - * @vp_data : the register values, shifts, masks for various - * vp registers - * @vp_rt_data : VP data derived at runtime, not predefined - * @vc_data : structure containing various various vc registers, - * shifts, masks etc. - * @vfsm : voltage manager FSM data - * @voltdm : pointer to the voltage domain structure - * @debug_dir : debug directory for this voltage domain. - * @curr_volt : current voltage for this vdd. - * @vp_enabled : flag to keep track of whether vp is enabled or not - * @volt_scale : API to scale the voltage of the vdd. - */ -struct omap_vdd_info { - struct omap_volt_data *volt_data; - struct omap_volt_pmic_info *pmic_info; - struct omap_vp_instance_data *vp_data; - struct omap_vp_runtime_data vp_rt_data; - struct omap_vc_instance_data *vc_data; - const struct omap_vfsm_instance_data *vfsm; - struct voltagedomain voltdm; - struct dentry *debug_dir; - u32 curr_volt; - bool vp_enabled; - u32 (*read_reg) (u16 mod, u8 offset); - void (*write_reg) (u32 val, u16 mod, u8 offset); - int (*volt_scale) (struct omap_vdd_info *vdd, - unsigned long target_volt); -}; - -unsigned long omap_vp_get_curr_volt(struct voltagedomain *voltdm); -void omap_vp_enable(struct voltagedomain *voltdm); -void omap_vp_disable(struct voltagedomain *voltdm); -int omap_voltage_scale_vdd(struct voltagedomain *voltdm, - unsigned long target_volt); -void omap_voltage_reset(struct voltagedomain *voltdm); void omap_voltage_get_volttable(struct voltagedomain *voltdm, struct omap_volt_data **volt_data); struct omap_volt_data *omap_voltage_get_voltdata(struct voltagedomain *voltdm, unsigned long volt); -unsigned long omap_voltage_get_nom_volt(struct voltagedomain *voltdm); -struct dentry *omap_voltage_get_dbgdir(struct voltagedomain *voltdm); -int __init omap_voltage_early_init(s16 prm_mod, s16 prm_irqst_mod, - struct omap_vdd_info *omap_vdd_array[], - u8 omap_vdd_count); -#ifdef CONFIG_PM int omap_voltage_register_pmic(struct voltagedomain *voltdm, - struct omap_volt_pmic_info *pmic_info); + struct omap_voltdm_pmic *pmic); void omap_change_voltscale_method(struct voltagedomain *voltdm, int voltscale_method); -/* API to get the voltagedomain pointer */ -struct voltagedomain *omap_voltage_domain_lookup(char *name); - int omap_voltage_late_init(void); -#else -static inline int omap_voltage_register_pmic(struct voltagedomain *voltdm, - struct omap_volt_pmic_info *pmic_info) -{ - return -EINVAL; -} -static inline void omap_change_voltscale_method(struct voltagedomain *voltdm, - int voltscale_method) {} -static inline int omap_voltage_late_init(void) -{ - return -EINVAL; -} -static inline struct voltagedomain *omap_voltage_domain_lookup(char *name) -{ - return ERR_PTR(-EINVAL); -} -#endif +extern void omap2xxx_voltagedomains_init(void); +extern void omap3xxx_voltagedomains_init(void); +extern void omap44xx_voltagedomains_init(void); + +struct voltagedomain *voltdm_lookup(const char *name); +void voltdm_init(struct voltagedomain **voltdm_list); +int voltdm_add_pwrdm(struct voltagedomain *voltdm, struct powerdomain *pwrdm); +int voltdm_for_each(int (*fn)(struct voltagedomain *voltdm, void *user), + void *user); +int voltdm_for_each_pwrdm(struct voltagedomain *voltdm, + int (*fn)(struct voltagedomain *voltdm, + struct powerdomain *pwrdm)); +int voltdm_scale(struct voltagedomain *voltdm, unsigned long target_volt); +void voltdm_reset(struct voltagedomain *voltdm); +unsigned long voltdm_get_voltage(struct voltagedomain *voltdm); #endif diff --git a/arch/arm/mach-omap2/voltagedomains2xxx_data.c b/arch/arm/mach-omap2/voltagedomains2xxx_data.c new file mode 100644 index 000000000000..7a41349981e5 --- /dev/null +++ b/arch/arm/mach-omap2/voltagedomains2xxx_data.c @@ -0,0 +1,32 @@ +/* + * OMAP3 voltage domain data + * + * Copyright (C) 2011 Texas Instruments, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/kernel.h> +#include <linux/init.h> + +#include "voltage.h" + +static struct voltagedomain omap2_voltdm_core = { + .name = "core", +}; + +static struct voltagedomain omap2_voltdm_wkup = { + .name = "wakeup", +}; + +static struct voltagedomain *voltagedomains_omap2[] __initdata = { + &omap2_voltdm_core, + &omap2_voltdm_wkup, + NULL, +}; + +void __init omap2xxx_voltagedomains_init(void) +{ + voltdm_init(voltagedomains_omap2); +} diff --git a/arch/arm/mach-omap2/voltagedomains3xxx_data.c b/arch/arm/mach-omap2/voltagedomains3xxx_data.c index def230fd2fde..071101debbbc 100644 --- a/arch/arm/mach-omap2/voltagedomains3xxx_data.c +++ b/arch/arm/mach-omap2/voltagedomains3xxx_data.c @@ -31,65 +31,70 @@ * VDD data */ -static const struct omap_vfsm_instance_data omap3_vdd1_vfsm_data = { +static const struct omap_vfsm_instance omap3_vdd1_vfsm = { .voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET, - .voltsetup_shift = OMAP3430_SETUP_TIME1_SHIFT, .voltsetup_mask = OMAP3430_SETUP_TIME1_MASK, }; -static struct omap_vdd_info omap3_vdd1_info = { - .vp_data = &omap3_vp1_data, - .vc_data = &omap3_vc1_data, - .vfsm = &omap3_vdd1_vfsm_data, - .voltdm = { - .name = "mpu", - }, -}; - -static const struct omap_vfsm_instance_data omap3_vdd2_vfsm_data = { +static const struct omap_vfsm_instance omap3_vdd2_vfsm = { .voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET, - .voltsetup_shift = OMAP3430_SETUP_TIME2_SHIFT, .voltsetup_mask = OMAP3430_SETUP_TIME2_MASK, }; -static struct omap_vdd_info omap3_vdd2_info = { - .vp_data = &omap3_vp2_data, - .vc_data = &omap3_vc2_data, - .vfsm = &omap3_vdd2_vfsm_data, - .voltdm = { - .name = "core", - }, +static struct voltagedomain omap3_voltdm_mpu = { + .name = "mpu_iva", + .scalable = true, + .read = omap3_prm_vcvp_read, + .write = omap3_prm_vcvp_write, + .rmw = omap3_prm_vcvp_rmw, + .vc = &omap3_vc_mpu, + .vfsm = &omap3_vdd1_vfsm, + .vp = &omap3_vp_mpu, }; -/* OMAP3 VDD structures */ -static struct omap_vdd_info *omap3_vdd_info[] = { - &omap3_vdd1_info, - &omap3_vdd2_info, +static struct voltagedomain omap3_voltdm_core = { + .name = "core", + .scalable = true, + .read = omap3_prm_vcvp_read, + .write = omap3_prm_vcvp_write, + .rmw = omap3_prm_vcvp_rmw, + .vc = &omap3_vc_core, + .vfsm = &omap3_vdd2_vfsm, + .vp = &omap3_vp_core, }; -/* OMAP3 specific voltage init functions */ -static int __init omap3xxx_voltage_early_init(void) -{ - s16 prm_mod = OMAP3430_GR_MOD; - s16 prm_irqst_ocp_mod = OCP_MOD; +static struct voltagedomain omap3_voltdm_wkup = { + .name = "wakeup", +}; - if (!cpu_is_omap34xx()) - return 0; +static struct voltagedomain *voltagedomains_omap3[] __initdata = { + &omap3_voltdm_mpu, + &omap3_voltdm_core, + &omap3_voltdm_wkup, + NULL, +}; + +static const char *sys_clk_name __initdata = "sys_ck"; + +void __init omap3xxx_voltagedomains_init(void) +{ + struct voltagedomain *voltdm; + int i; /* * XXX Will depend on the process, validation, and binning * for the currently-running IC */ if (cpu_is_omap3630()) { - omap3_vdd1_info.volt_data = omap36xx_vddmpu_volt_data; - omap3_vdd2_info.volt_data = omap36xx_vddcore_volt_data; + omap3_voltdm_mpu.volt_data = omap36xx_vddmpu_volt_data; + omap3_voltdm_core.volt_data = omap36xx_vddcore_volt_data; } else { - omap3_vdd1_info.volt_data = omap34xx_vddmpu_volt_data; - omap3_vdd2_info.volt_data = omap34xx_vddcore_volt_data; + omap3_voltdm_mpu.volt_data = omap34xx_vddmpu_volt_data; + omap3_voltdm_core.volt_data = omap34xx_vddcore_volt_data; } - return omap_voltage_early_init(prm_mod, prm_irqst_ocp_mod, - omap3_vdd_info, - ARRAY_SIZE(omap3_vdd_info)); + for (i = 0; voltdm = voltagedomains_omap3[i], voltdm; i++) + voltdm->sys_clk.name = sys_clk_name; + + voltdm_init(voltagedomains_omap3); }; -core_initcall(omap3xxx_voltage_early_init); diff --git a/arch/arm/mach-omap2/voltagedomains44xx_data.c b/arch/arm/mach-omap2/voltagedomains44xx_data.c index cb64996de0e1..c4584e9ac717 100644 --- a/arch/arm/mach-omap2/voltagedomains44xx_data.c +++ b/arch/arm/mach-omap2/voltagedomains44xx_data.c @@ -32,71 +32,80 @@ #include "vc.h" #include "vp.h" -static const struct omap_vfsm_instance_data omap4_vdd_mpu_vfsm_data = { +static const struct omap_vfsm_instance omap4_vdd_mpu_vfsm = { .voltsetup_reg = OMAP4_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET, }; -static struct omap_vdd_info omap4_vdd_mpu_info = { - .vp_data = &omap4_vp_mpu_data, - .vc_data = &omap4_vc_mpu_data, - .vfsm = &omap4_vdd_mpu_vfsm_data, - .voltdm = { - .name = "mpu", - }, +static const struct omap_vfsm_instance omap4_vdd_iva_vfsm = { + .voltsetup_reg = OMAP4_PRM_VOLTSETUP_IVA_RET_SLEEP_OFFSET, }; -static const struct omap_vfsm_instance_data omap4_vdd_iva_vfsm_data = { - .voltsetup_reg = OMAP4_PRM_VOLTSETUP_IVA_RET_SLEEP_OFFSET, +static const struct omap_vfsm_instance omap4_vdd_core_vfsm = { + .voltsetup_reg = OMAP4_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET, }; -static struct omap_vdd_info omap4_vdd_iva_info = { - .vp_data = &omap4_vp_iva_data, - .vc_data = &omap4_vc_iva_data, - .vfsm = &omap4_vdd_iva_vfsm_data, - .voltdm = { - .name = "iva", - }, +static struct voltagedomain omap4_voltdm_mpu = { + .name = "mpu", + .scalable = true, + .read = omap4_prm_vcvp_read, + .write = omap4_prm_vcvp_write, + .rmw = omap4_prm_vcvp_rmw, + .vc = &omap4_vc_mpu, + .vfsm = &omap4_vdd_mpu_vfsm, + .vp = &omap4_vp_mpu, }; -static const struct omap_vfsm_instance_data omap4_vdd_core_vfsm_data = { - .voltsetup_reg = OMAP4_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET, +static struct voltagedomain omap4_voltdm_iva = { + .name = "iva", + .scalable = true, + .read = omap4_prm_vcvp_read, + .write = omap4_prm_vcvp_write, + .rmw = omap4_prm_vcvp_rmw, + .vc = &omap4_vc_iva, + .vfsm = &omap4_vdd_iva_vfsm, + .vp = &omap4_vp_iva, }; -static struct omap_vdd_info omap4_vdd_core_info = { - .vp_data = &omap4_vp_core_data, - .vc_data = &omap4_vc_core_data, - .vfsm = &omap4_vdd_core_vfsm_data, - .voltdm = { - .name = "core", - }, +static struct voltagedomain omap4_voltdm_core = { + .name = "core", + .scalable = true, + .read = omap4_prm_vcvp_read, + .write = omap4_prm_vcvp_write, + .rmw = omap4_prm_vcvp_rmw, + .vc = &omap4_vc_core, + .vfsm = &omap4_vdd_core_vfsm, + .vp = &omap4_vp_core, }; -/* OMAP4 VDD structures */ -static struct omap_vdd_info *omap4_vdd_info[] = { - &omap4_vdd_mpu_info, - &omap4_vdd_iva_info, - &omap4_vdd_core_info, +static struct voltagedomain omap4_voltdm_wkup = { + .name = "wakeup", }; -/* OMAP4 specific voltage init functions */ -static int __init omap44xx_voltage_early_init(void) -{ - s16 prm_mod = OMAP4430_PRM_DEVICE_INST; - s16 prm_irqst_ocp_mod = OMAP4430_PRM_OCP_SOCKET_INST; +static struct voltagedomain *voltagedomains_omap4[] __initdata = { + &omap4_voltdm_mpu, + &omap4_voltdm_iva, + &omap4_voltdm_core, + &omap4_voltdm_wkup, + NULL, +}; + +static const char *sys_clk_name __initdata = "sys_clkin_ck"; - if (!cpu_is_omap44xx()) - return 0; +void __init omap44xx_voltagedomains_init(void) +{ + struct voltagedomain *voltdm; + int i; /* * XXX Will depend on the process, validation, and binning * for the currently-running IC */ - omap4_vdd_mpu_info.volt_data = omap44xx_vdd_mpu_volt_data; - omap4_vdd_iva_info.volt_data = omap44xx_vdd_iva_volt_data; - omap4_vdd_core_info.volt_data = omap44xx_vdd_core_volt_data; + omap4_voltdm_mpu.volt_data = omap44xx_vdd_mpu_volt_data; + omap4_voltdm_iva.volt_data = omap44xx_vdd_iva_volt_data; + omap4_voltdm_core.volt_data = omap44xx_vdd_core_volt_data; + + for (i = 0; voltdm = voltagedomains_omap4[i], voltdm; i++) + voltdm->sys_clk.name = sys_clk_name; - return omap_voltage_early_init(prm_mod, prm_irqst_ocp_mod, - omap4_vdd_info, - ARRAY_SIZE(omap4_vdd_info)); + voltdm_init(voltagedomains_omap4); }; -core_initcall(omap44xx_voltage_early_init); diff --git a/arch/arm/mach-omap2/vp.c b/arch/arm/mach-omap2/vp.c new file mode 100644 index 000000000000..66bd700a2b98 --- /dev/null +++ b/arch/arm/mach-omap2/vp.c @@ -0,0 +1,278 @@ +#include <linux/kernel.h> +#include <linux/init.h> + +#include <plat/common.h> + +#include "voltage.h" +#include "vp.h" +#include "prm-regbits-34xx.h" +#include "prm-regbits-44xx.h" +#include "prm44xx.h" + +static u32 _vp_set_init_voltage(struct voltagedomain *voltdm, u32 volt) +{ + struct omap_vp_instance *vp = voltdm->vp; + u32 vpconfig; + char vsel; + + vsel = voltdm->pmic->uv_to_vsel(volt); + + vpconfig = voltdm->read(vp->vpconfig); + vpconfig &= ~(vp->common->vpconfig_initvoltage_mask | + vp->common->vpconfig_forceupdate | + vp->common->vpconfig_initvdd); + vpconfig |= vsel << __ffs(vp->common->vpconfig_initvoltage_mask); + voltdm->write(vpconfig, vp->vpconfig); + + /* Trigger initVDD value copy to voltage processor */ + voltdm->write((vpconfig | vp->common->vpconfig_initvdd), + vp->vpconfig); + + /* Clear initVDD copy trigger bit */ + voltdm->write(vpconfig, vp->vpconfig); + + return vpconfig; +} + +/* Generic voltage init functions */ +void __init omap_vp_init(struct voltagedomain *voltdm) +{ + struct omap_vp_instance *vp = voltdm->vp; + u32 val, sys_clk_rate, timeout, waittime; + u32 vddmin, vddmax, vstepmin, vstepmax; + + if (!voltdm->read || !voltdm->write) { + pr_err("%s: No read/write API for accessing vdd_%s regs\n", + __func__, voltdm->name); + return; + } + + vp->enabled = false; + + /* Divide to avoid overflow */ + sys_clk_rate = voltdm->sys_clk.rate / 1000; + + timeout = (sys_clk_rate * voltdm->pmic->vp_timeout_us) / 1000; + vddmin = voltdm->pmic->vp_vddmin; + vddmax = voltdm->pmic->vp_vddmax; + + waittime = ((voltdm->pmic->step_size / voltdm->pmic->slew_rate) * + sys_clk_rate) / 1000; + vstepmin = voltdm->pmic->vp_vstepmin; + vstepmax = voltdm->pmic->vp_vstepmax; + + /* + * VP_CONFIG: error gain is not set here, it will be updated + * on each scale, based on OPP. + */ + val = (voltdm->pmic->vp_erroroffset << + __ffs(voltdm->vp->common->vpconfig_erroroffset_mask)) | + vp->common->vpconfig_timeouten; + voltdm->write(val, vp->vpconfig); + + /* VSTEPMIN */ + val = (waittime << vp->common->vstepmin_smpswaittimemin_shift) | + (vstepmin << vp->common->vstepmin_stepmin_shift); + voltdm->write(val, vp->vstepmin); + + /* VSTEPMAX */ + val = (vstepmax << vp->common->vstepmax_stepmax_shift) | + (waittime << vp->common->vstepmax_smpswaittimemax_shift); + voltdm->write(val, vp->vstepmax); + + /* VLIMITTO */ + val = (vddmax << vp->common->vlimitto_vddmax_shift) | + (vddmin << vp->common->vlimitto_vddmin_shift) | + (timeout << vp->common->vlimitto_timeout_shift); + voltdm->write(val, vp->vlimitto); +} + +int omap_vp_update_errorgain(struct voltagedomain *voltdm, + unsigned long target_volt) +{ + struct omap_volt_data *volt_data; + + if (!voltdm->vp) + return -EINVAL; + + /* Get volt_data corresponding to target_volt */ + volt_data = omap_voltage_get_voltdata(voltdm, target_volt); + if (IS_ERR(volt_data)) + return -EINVAL; + + /* Setting vp errorgain based on the voltage */ + voltdm->rmw(voltdm->vp->common->vpconfig_errorgain_mask, + volt_data->vp_errgain << + __ffs(voltdm->vp->common->vpconfig_errorgain_mask), + voltdm->vp->vpconfig); + + return 0; +} + +/* VP force update method of voltage scaling */ +int omap_vp_forceupdate_scale(struct voltagedomain *voltdm, + unsigned long target_volt) +{ + struct omap_vp_instance *vp = voltdm->vp; + u32 vpconfig; + u8 target_vsel, current_vsel; + int ret, timeout = 0; + + ret = omap_vc_pre_scale(voltdm, target_volt, &target_vsel, ¤t_vsel); + if (ret) + return ret; + + /* + * Clear all pending TransactionDone interrupt/status. Typical latency + * is <3us + */ + while (timeout++ < VP_TRANXDONE_TIMEOUT) { + vp->common->ops->clear_txdone(vp->id); + if (!vp->common->ops->check_txdone(vp->id)) + break; + udelay(1); + } + if (timeout >= VP_TRANXDONE_TIMEOUT) { + pr_warning("%s: vdd_%s TRANXDONE timeout exceeded." + "Voltage change aborted", __func__, voltdm->name); + return -ETIMEDOUT; + } + + vpconfig = _vp_set_init_voltage(voltdm, target_volt); + + /* Force update of voltage */ + voltdm->write(vpconfig | vp->common->vpconfig_forceupdate, + voltdm->vp->vpconfig); + + /* + * Wait for TransactionDone. Typical latency is <200us. + * Depends on SMPSWAITTIMEMIN/MAX and voltage change + */ + timeout = 0; + omap_test_timeout(vp->common->ops->check_txdone(vp->id), + VP_TRANXDONE_TIMEOUT, timeout); + if (timeout >= VP_TRANXDONE_TIMEOUT) + pr_err("%s: vdd_%s TRANXDONE timeout exceeded." + "TRANXDONE never got set after the voltage update\n", + __func__, voltdm->name); + + omap_vc_post_scale(voltdm, target_volt, target_vsel, current_vsel); + + /* + * Disable TransactionDone interrupt , clear all status, clear + * control registers + */ + timeout = 0; + while (timeout++ < VP_TRANXDONE_TIMEOUT) { + vp->common->ops->clear_txdone(vp->id); + if (!vp->common->ops->check_txdone(vp->id)) + break; + udelay(1); + } + + if (timeout >= VP_TRANXDONE_TIMEOUT) + pr_warning("%s: vdd_%s TRANXDONE timeout exceeded while trying" + "to clear the TRANXDONE status\n", + __func__, voltdm->name); + + /* Clear force bit */ + voltdm->write(vpconfig, vp->vpconfig); + + return 0; +} + +/** + * omap_vp_enable() - API to enable a particular VP + * @voltdm: pointer to the VDD whose VP is to be enabled. + * + * This API enables a particular voltage processor. Needed by the smartreflex + * class drivers. + */ +void omap_vp_enable(struct voltagedomain *voltdm) +{ + struct omap_vp_instance *vp; + u32 vpconfig, volt; + + if (!voltdm || IS_ERR(voltdm)) { + pr_warning("%s: VDD specified does not exist!\n", __func__); + return; + } + + vp = voltdm->vp; + if (!voltdm->read || !voltdm->write) { + pr_err("%s: No read/write API for accessing vdd_%s regs\n", + __func__, voltdm->name); + return; + } + + /* If VP is already enabled, do nothing. Return */ + if (vp->enabled) + return; + + volt = voltdm_get_voltage(voltdm); + if (!volt) { + pr_warning("%s: unable to find current voltage for %s\n", + __func__, voltdm->name); + return; + } + + vpconfig = _vp_set_init_voltage(voltdm, volt); + + /* Enable VP */ + vpconfig |= vp->common->vpconfig_vpenable; + voltdm->write(vpconfig, vp->vpconfig); + + vp->enabled = true; +} + +/** + * omap_vp_disable() - API to disable a particular VP + * @voltdm: pointer to the VDD whose VP is to be disabled. + * + * This API disables a particular voltage processor. Needed by the smartreflex + * class drivers. + */ +void omap_vp_disable(struct voltagedomain *voltdm) +{ + struct omap_vp_instance *vp; + u32 vpconfig; + int timeout; + + if (!voltdm || IS_ERR(voltdm)) { + pr_warning("%s: VDD specified does not exist!\n", __func__); + return; + } + + vp = voltdm->vp; + if (!voltdm->read || !voltdm->write) { + pr_err("%s: No read/write API for accessing vdd_%s regs\n", + __func__, voltdm->name); + return; + } + + /* If VP is already disabled, do nothing. Return */ + if (!vp->enabled) { + pr_warning("%s: Trying to disable VP for vdd_%s when" + "it is already disabled\n", __func__, voltdm->name); + return; + } + + /* Disable VP */ + vpconfig = voltdm->read(vp->vpconfig); + vpconfig &= ~vp->common->vpconfig_vpenable; + voltdm->write(vpconfig, vp->vpconfig); + + /* + * Wait for VP idle Typical latency is <2us. Maximum latency is ~100us + */ + omap_test_timeout((voltdm->read(vp->vstatus)), + VP_IDLE_TIMEOUT, timeout); + + if (timeout >= VP_IDLE_TIMEOUT) + pr_warning("%s: vdd_%s idle timedout\n", + __func__, voltdm->name); + + vp->enabled = false; + + return; +} diff --git a/arch/arm/mach-omap2/vp.h b/arch/arm/mach-omap2/vp.h index 7ce134f7de79..7c155d248aa3 100644 --- a/arch/arm/mach-omap2/vp.h +++ b/arch/arm/mach-omap2/vp.h @@ -19,44 +19,60 @@ #include <linux/kernel.h> +struct voltagedomain; + +/* + * Voltage Processor (VP) identifiers + */ +#define OMAP3_VP_VDD_MPU_ID 0 +#define OMAP3_VP_VDD_CORE_ID 1 +#define OMAP4_VP_VDD_CORE_ID 0 +#define OMAP4_VP_VDD_IVA_ID 1 +#define OMAP4_VP_VDD_MPU_ID 2 + /* XXX document */ #define VP_IDLE_TIMEOUT 200 #define VP_TRANXDONE_TIMEOUT 300 +/** + * struct omap_vp_ops - per-VP operations + * @check_txdone: check for VP transaction done + * @clear_txdone: clear VP transaction done status + */ +struct omap_vp_ops { + u32 (*check_txdone)(u8 vp_id); + void (*clear_txdone)(u8 vp_id); +}; /** - * struct omap_vp_common_data - register data common to all VDDs + * struct omap_vp_common - register data common to all VDDs + * @vpconfig_erroroffset_mask: ERROROFFSET bitmask in the PRM_VP*_CONFIG reg * @vpconfig_errorgain_mask: ERRORGAIN bitmask in the PRM_VP*_CONFIG reg * @vpconfig_initvoltage_mask: INITVOLTAGE bitmask in the PRM_VP*_CONFIG reg - * @vpconfig_timeouten_mask: TIMEOUT bitmask in the PRM_VP*_CONFIG reg + * @vpconfig_timeouten: TIMEOUT bitmask in the PRM_VP*_CONFIG reg * @vpconfig_initvdd: INITVDD bitmask in the PRM_VP*_CONFIG reg * @vpconfig_forceupdate: FORCEUPDATE bitmask in the PRM_VP*_CONFIG reg * @vpconfig_vpenable: VPENABLE bitmask in the PRM_VP*_CONFIG reg * @vpconfig_erroroffset_shift: ERROROFFSET field shift in PRM_VP*_CONFIG reg * @vpconfig_errorgain_shift: ERRORGAIN field shift in PRM_VP*_CONFIG reg * @vpconfig_initvoltage_shift: INITVOLTAGE field shift in PRM_VP*_CONFIG reg - * @vpconfig_stepmin_shift: VSTEPMIN field shift in the PRM_VP*_VSTEPMIN reg - * @vpconfig_smpswaittimemin_shift: SMPSWAITTIMEMIN field shift in PRM_VP*_VSTEPMIN reg - * @vpconfig_stepmax_shift: VSTEPMAX field shift in the PRM_VP*_VSTEPMAX reg - * @vpconfig_smpswaittimemax_shift: SMPSWAITTIMEMAX field shift in PRM_VP*_VSTEPMAX reg - * @vpconfig_vlimitto_vddmin_shift: VDDMIN field shift in PRM_VP*_VLIMITTO reg - * @vpconfig_vlimitto_vddmax_shift: VDDMAX field shift in PRM_VP*_VLIMITTO reg - * @vpconfig_vlimitto_timeout_shift: TIMEOUT field shift in PRM_VP*_VLIMITTO reg - * - * XXX It it not necessary to have both a mask and a shift for the same - * bitfield - remove one - * XXX Many of these fields are wrongly named -- e.g., vpconfig_smps* -- fix! + * @vstepmin_stepmin_shift: VSTEPMIN field shift in the PRM_VP*_VSTEPMIN reg + * @vstepmin_smpswaittimemin_shift: SMPSWAITTIMEMIN field shift in PRM_VP*_VSTEPMIN reg + * @vstepmax_stepmax_shift: VSTEPMAX field shift in the PRM_VP*_VSTEPMAX reg + * @vstepmax_smpswaittimemax_shift: SMPSWAITTIMEMAX field shift in PRM_VP*_VSTEPMAX reg + * @vlimitto_vddmin_shift: VDDMIN field shift in PRM_VP*_VLIMITTO reg + * @vlimitto_vddmax_shift: VDDMAX field shift in PRM_VP*_VLIMITTO reg + * @vlimitto_timeout_shift: TIMEOUT field shift in PRM_VP*_VLIMITTO reg + * @vpvoltage_mask: VPVOLTAGE field mask in PRM_VP*_VOLTAGE reg */ -struct omap_vp_common_data { +struct omap_vp_common { + u32 vpconfig_erroroffset_mask; u32 vpconfig_errorgain_mask; u32 vpconfig_initvoltage_mask; - u32 vpconfig_timeouten; - u32 vpconfig_initvdd; - u32 vpconfig_forceupdate; - u32 vpconfig_vpenable; - u8 vpconfig_erroroffset_shift; - u8 vpconfig_errorgain_shift; - u8 vpconfig_initvoltage_shift; + u8 vpconfig_timeouten; + u8 vpconfig_initvdd; + u8 vpconfig_forceupdate; + u8 vpconfig_vpenable; u8 vstepmin_stepmin_shift; u8 vstepmin_smpswaittimemin_shift; u8 vstepmax_stepmax_shift; @@ -64,80 +80,49 @@ struct omap_vp_common_data { u8 vlimitto_vddmin_shift; u8 vlimitto_vddmax_shift; u8 vlimitto_timeout_shift; -}; + u8 vpvoltage_mask; -/** - * struct omap_vp_prm_irqst_data - PRM_IRQSTATUS_MPU.VP_TRANXDONE_ST data - * @prm_irqst_reg: reg offset for PRM_IRQSTATUS_MPU from top of PRM - * @tranxdone_status: VP_TRANXDONE_ST bitmask in PRM_IRQSTATUS_MPU reg - * - * XXX prm_irqst_reg does not belong here - * XXX Note that on OMAP3, VP_TRANXDONE interrupt may not work due to a - * hardware bug - * XXX This structure is probably not needed - */ -struct omap_vp_prm_irqst_data { - u8 prm_irqst_reg; - u32 tranxdone_status; + const struct omap_vp_ops *ops; }; /** - * struct omap_vp_instance_data - VP register offsets (per-VDD) - * @vp_common: pointer to struct omap_vp_common_data * for this SoC - * @prm_irqst_data: pointer to struct omap_vp_prm_irqst_data for this VDD + * struct omap_vp_instance - VP register offsets (per-VDD) + * @common: pointer to struct omap_vp_common * for this SoC * @vpconfig: PRM_VP*_CONFIG reg offset from PRM start * @vstepmin: PRM_VP*_VSTEPMIN reg offset from PRM start * @vlimitto: PRM_VP*_VLIMITTO reg offset from PRM start * @vstatus: PRM_VP*_VSTATUS reg offset from PRM start * @voltage: PRM_VP*_VOLTAGE reg offset from PRM start + * @id: Unique identifier for VP instance. + * @enabled: flag to keep track of whether vp is enabled or not * * XXX vp_common is probably not needed since it is per-SoC */ -struct omap_vp_instance_data { - const struct omap_vp_common_data *vp_common; - const struct omap_vp_prm_irqst_data *prm_irqst_data; +struct omap_vp_instance { + const struct omap_vp_common *common; u8 vpconfig; u8 vstepmin; u8 vstepmax; u8 vlimitto; u8 vstatus; u8 voltage; + u8 id; + bool enabled; }; -/** - * struct omap_vp_runtime_data - VP data populated at runtime by code - * @vpconfig_erroroffset: value of ERROROFFSET bitfield in PRM_VP*_CONFIG - * @vpconfig_errorgain: value of ERRORGAIN bitfield in PRM_VP*_CONFIG - * @vstepmin_smpswaittimemin: value of SMPSWAITTIMEMIN bitfield in PRM_VP*_VSTEPMIN - * @vstepmax_smpswaittimemax: value of SMPSWAITTIMEMAX bitfield in PRM_VP*_VSTEPMAX - * @vlimitto_timeout: value of TIMEOUT bitfield in PRM_VP*_VLIMITTO - * @vstepmin_stepmin: value of VSTEPMIN bitfield in PRM_VP*_VSTEPMIN - * @vstepmax_stepmax: value of VSTEPMAX bitfield in PRM_VP*_VSTEPMAX - * @vlimitto_vddmin: value of VDDMIN bitfield in PRM_VP*_VLIMITTO - * @vlimitto_vddmax: value of VDDMAX bitfield in PRM_VP*_VLIMITTO - * - * XXX Is this structure really needed? Why not just program the - * device directly? They are in PRM space, therefore in the WKUP - * powerdomain, so register contents should not be lost in off-mode. - * XXX Some of these fields are incorrectly named, e.g., vstep* - */ -struct omap_vp_runtime_data { - u32 vpconfig_erroroffset; - u16 vpconfig_errorgain; - u16 vstepmin_smpswaittimemin; - u16 vstepmax_smpswaittimemax; - u16 vlimitto_timeout; - u8 vstepmin_stepmin; - u8 vstepmax_stepmax; - u8 vlimitto_vddmin; - u8 vlimitto_vddmax; -}; +extern struct omap_vp_instance omap3_vp_mpu; +extern struct omap_vp_instance omap3_vp_core; -extern struct omap_vp_instance_data omap3_vp1_data; -extern struct omap_vp_instance_data omap3_vp2_data; +extern struct omap_vp_instance omap4_vp_mpu; +extern struct omap_vp_instance omap4_vp_iva; +extern struct omap_vp_instance omap4_vp_core; -extern struct omap_vp_instance_data omap4_vp_mpu_data; -extern struct omap_vp_instance_data omap4_vp_iva_data; -extern struct omap_vp_instance_data omap4_vp_core_data; +void omap_vp_init(struct voltagedomain *voltdm); +void omap_vp_enable(struct voltagedomain *voltdm); +void omap_vp_disable(struct voltagedomain *voltdm); +int omap_vp_forceupdate_scale(struct voltagedomain *voltdm, + unsigned long target_volt); +int omap_vp_update_errorgain(struct voltagedomain *voltdm, + unsigned long target_volt); #endif diff --git a/arch/arm/mach-omap2/vp3xxx_data.c b/arch/arm/mach-omap2/vp3xxx_data.c index 645217094e51..260c554b1547 100644 --- a/arch/arm/mach-omap2/vp3xxx_data.c +++ b/arch/arm/mach-omap2/vp3xxx_data.c @@ -25,16 +25,20 @@ #include "voltage.h" #include "vp.h" +#include "prm2xxx_3xxx.h" + +static const struct omap_vp_ops omap3_vp_ops = { + .check_txdone = omap3_prm_vp_check_txdone, + .clear_txdone = omap3_prm_vp_clear_txdone, +}; /* * VP data common to 34xx/36xx chips * XXX This stuff presumably belongs in the vp3xxx.c or vp.c file. */ -static const struct omap_vp_common_data omap3_vp_common = { - .vpconfig_erroroffset_shift = OMAP3430_ERROROFFSET_SHIFT, +static const struct omap_vp_common omap3_vp_common = { + .vpconfig_erroroffset_mask = OMAP3430_ERROROFFSET_MASK, .vpconfig_errorgain_mask = OMAP3430_ERRORGAIN_MASK, - .vpconfig_errorgain_shift = OMAP3430_ERRORGAIN_SHIFT, - .vpconfig_initvoltage_shift = OMAP3430_INITVOLTAGE_SHIFT, .vpconfig_initvoltage_mask = OMAP3430_INITVOLTAGE_MASK, .vpconfig_timeouten = OMAP3430_TIMEOUTEN_MASK, .vpconfig_initvdd = OMAP3430_INITVDD_MASK, @@ -47,36 +51,29 @@ static const struct omap_vp_common_data omap3_vp_common = { .vlimitto_vddmin_shift = OMAP3430_VDDMIN_SHIFT, .vlimitto_vddmax_shift = OMAP3430_VDDMAX_SHIFT, .vlimitto_timeout_shift = OMAP3430_TIMEOUT_SHIFT, -}; + .vpvoltage_mask = OMAP3430_VPVOLTAGE_MASK, -static const struct omap_vp_prm_irqst_data omap3_vp1_prm_irqst_data = { - .prm_irqst_reg = OMAP3_PRM_IRQSTATUS_MPU_OFFSET, - .tranxdone_status = OMAP3430_VP1_TRANXDONE_ST_MASK, + .ops = &omap3_vp_ops, }; -struct omap_vp_instance_data omap3_vp1_data = { - .vp_common = &omap3_vp_common, +struct omap_vp_instance omap3_vp_mpu = { + .id = OMAP3_VP_VDD_MPU_ID, + .common = &omap3_vp_common, .vpconfig = OMAP3_PRM_VP1_CONFIG_OFFSET, .vstepmin = OMAP3_PRM_VP1_VSTEPMIN_OFFSET, .vstepmax = OMAP3_PRM_VP1_VSTEPMAX_OFFSET, .vlimitto = OMAP3_PRM_VP1_VLIMITTO_OFFSET, .vstatus = OMAP3_PRM_VP1_STATUS_OFFSET, .voltage = OMAP3_PRM_VP1_VOLTAGE_OFFSET, - .prm_irqst_data = &omap3_vp1_prm_irqst_data, -}; - -static const struct omap_vp_prm_irqst_data omap3_vp2_prm_irqst_data = { - .prm_irqst_reg = OMAP3_PRM_IRQSTATUS_MPU_OFFSET, - .tranxdone_status = OMAP3430_VP2_TRANXDONE_ST_MASK, }; -struct omap_vp_instance_data omap3_vp2_data = { - .vp_common = &omap3_vp_common, +struct omap_vp_instance omap3_vp_core = { + .id = OMAP3_VP_VDD_CORE_ID, + .common = &omap3_vp_common, .vpconfig = OMAP3_PRM_VP2_CONFIG_OFFSET, .vstepmin = OMAP3_PRM_VP2_VSTEPMIN_OFFSET, .vstepmax = OMAP3_PRM_VP2_VSTEPMAX_OFFSET, .vlimitto = OMAP3_PRM_VP2_VLIMITTO_OFFSET, .vstatus = OMAP3_PRM_VP2_STATUS_OFFSET, .voltage = OMAP3_PRM_VP2_VOLTAGE_OFFSET, - .prm_irqst_data = &omap3_vp2_prm_irqst_data, }; diff --git a/arch/arm/mach-omap2/vp44xx_data.c b/arch/arm/mach-omap2/vp44xx_data.c index 65d1ad63800a..b4e77044891e 100644 --- a/arch/arm/mach-omap2/vp44xx_data.c +++ b/arch/arm/mach-omap2/vp44xx_data.c @@ -27,15 +27,18 @@ #include "vp.h" +static const struct omap_vp_ops omap4_vp_ops = { + .check_txdone = omap4_prm_vp_check_txdone, + .clear_txdone = omap4_prm_vp_clear_txdone, +}; + /* * VP data common to 44xx chips * XXX This stuff presumably belongs in the vp44xx.c or vp.c file. */ -static const struct omap_vp_common_data omap4_vp_common = { - .vpconfig_erroroffset_shift = OMAP4430_ERROROFFSET_SHIFT, +static const struct omap_vp_common omap4_vp_common = { + .vpconfig_erroroffset_mask = OMAP4430_ERROROFFSET_MASK, .vpconfig_errorgain_mask = OMAP4430_ERRORGAIN_MASK, - .vpconfig_errorgain_shift = OMAP4430_ERRORGAIN_SHIFT, - .vpconfig_initvoltage_shift = OMAP4430_INITVOLTAGE_SHIFT, .vpconfig_initvoltage_mask = OMAP4430_INITVOLTAGE_MASK, .vpconfig_timeouten = OMAP4430_TIMEOUTEN_MASK, .vpconfig_initvdd = OMAP4430_INITVDD_MASK, @@ -48,53 +51,39 @@ static const struct omap_vp_common_data omap4_vp_common = { .vlimitto_vddmin_shift = OMAP4430_VDDMIN_SHIFT, .vlimitto_vddmax_shift = OMAP4430_VDDMAX_SHIFT, .vlimitto_timeout_shift = OMAP4430_TIMEOUT_SHIFT, + .vpvoltage_mask = OMAP4430_VPVOLTAGE_MASK, + .ops = &omap4_vp_ops, }; -static const struct omap_vp_prm_irqst_data omap4_vp_mpu_prm_irqst_data = { - .prm_irqst_reg = OMAP4_PRM_IRQSTATUS_MPU_2_OFFSET, - .tranxdone_status = OMAP4430_VP_MPU_TRANXDONE_ST_MASK, -}; - -struct omap_vp_instance_data omap4_vp_mpu_data = { - .vp_common = &omap4_vp_common, +struct omap_vp_instance omap4_vp_mpu = { + .id = OMAP4_VP_VDD_MPU_ID, + .common = &omap4_vp_common, .vpconfig = OMAP4_PRM_VP_MPU_CONFIG_OFFSET, .vstepmin = OMAP4_PRM_VP_MPU_VSTEPMIN_OFFSET, .vstepmax = OMAP4_PRM_VP_MPU_VSTEPMAX_OFFSET, .vlimitto = OMAP4_PRM_VP_MPU_VLIMITTO_OFFSET, .vstatus = OMAP4_PRM_VP_MPU_STATUS_OFFSET, .voltage = OMAP4_PRM_VP_MPU_VOLTAGE_OFFSET, - .prm_irqst_data = &omap4_vp_mpu_prm_irqst_data, }; -static const struct omap_vp_prm_irqst_data omap4_vp_iva_prm_irqst_data = { - .prm_irqst_reg = OMAP4_PRM_IRQSTATUS_MPU_OFFSET, - .tranxdone_status = OMAP4430_VP_IVA_TRANXDONE_ST_MASK, -}; - -struct omap_vp_instance_data omap4_vp_iva_data = { - .vp_common = &omap4_vp_common, +struct omap_vp_instance omap4_vp_iva = { + .id = OMAP4_VP_VDD_IVA_ID, + .common = &omap4_vp_common, .vpconfig = OMAP4_PRM_VP_IVA_CONFIG_OFFSET, .vstepmin = OMAP4_PRM_VP_IVA_VSTEPMIN_OFFSET, .vstepmax = OMAP4_PRM_VP_IVA_VSTEPMAX_OFFSET, .vlimitto = OMAP4_PRM_VP_IVA_VLIMITTO_OFFSET, .vstatus = OMAP4_PRM_VP_IVA_STATUS_OFFSET, .voltage = OMAP4_PRM_VP_IVA_VOLTAGE_OFFSET, - .prm_irqst_data = &omap4_vp_iva_prm_irqst_data, -}; - -static const struct omap_vp_prm_irqst_data omap4_vp_core_prm_irqst_data = { - .prm_irqst_reg = OMAP4_PRM_IRQSTATUS_MPU_OFFSET, - .tranxdone_status = OMAP4430_VP_CORE_TRANXDONE_ST_MASK, }; -struct omap_vp_instance_data omap4_vp_core_data = { - .vp_common = &omap4_vp_common, +struct omap_vp_instance omap4_vp_core = { + .id = OMAP4_VP_VDD_CORE_ID, + .common = &omap4_vp_common, .vpconfig = OMAP4_PRM_VP_CORE_CONFIG_OFFSET, .vstepmin = OMAP4_PRM_VP_CORE_VSTEPMIN_OFFSET, .vstepmax = OMAP4_PRM_VP_CORE_VSTEPMAX_OFFSET, .vlimitto = OMAP4_PRM_VP_CORE_VLIMITTO_OFFSET, .vstatus = OMAP4_PRM_VP_CORE_STATUS_OFFSET, .voltage = OMAP4_PRM_VP_CORE_VOLTAGE_OFFSET, - .prm_irqst_data = &omap4_vp_core_prm_irqst_data, }; - |