diff options
Diffstat (limited to 'arch/arm/mach-omap2')
44 files changed, 634 insertions, 1353 deletions
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index c89757abb0ae..b3b3b3a19183 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -8,7 +8,7 @@ ccflags-y := -I$(srctree)/$(src)/include \ # Common support obj-y := id.o io.o control.o devices.o fb.o timer.o pm.o \ common.o dma.o wd_timer.o display.o i2c.o hdq1w.o omap_hwmod.o \ - omap_device.o omap-headsmp.o sram.o drm.o + omap_device.o omap-headsmp.o sram.o hwmod-common = omap_hwmod.o omap_hwmod_reset.o \ omap_hwmod_common_data.o @@ -69,7 +69,6 @@ obj-$(CONFIG_ARCH_OMAP2) += sdrc2xxx.o # OPP table initialization ifeq ($(CONFIG_PM_OPP),y) -obj-y += opp.o obj-$(CONFIG_ARCH_OMAP3) += opp3xxx_data.o obj-$(CONFIG_ARCH_OMAP4) += opp4xxx_data.o endif @@ -220,9 +219,6 @@ obj-$(CONFIG_ARCH_OMAP4) += omap_hwmod_44xx_data.o obj-$(CONFIG_SOC_OMAP5) += omap_hwmod_54xx_data.o obj-$(CONFIG_SOC_DRA7XX) += omap_hwmod_7xx_data.o -# EMU peripherals -obj-$(CONFIG_HW_PERF_EVENTS) += pmu.o - # OMAP2420 MSDI controller integration support ("MMC") obj-$(CONFIG_SOC_OMAP2420) += msdi.o diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c index dc9e34e670a2..583fc39d84cd 100644 --- a/arch/arm/mach-omap2/board-generic.c +++ b/arch/arm/mach-omap2/board-generic.c @@ -28,11 +28,12 @@ static const struct of_device_id omap_dt_match_table[] __initconst = { { } }; -static void __init omap_generic_init(void) +static void __init __maybe_unused omap_generic_init(void) { pdata_quirks_init(omap_dt_match_table); omapdss_init_of(); + omap_soc_device_init(); } #ifdef CONFIG_SOC_OMAP2420 diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c index 91272db09fa3..20f25539d572 100644 --- a/arch/arm/mach-omap2/board-n8x0.c +++ b/arch/arm/mach-omap2/board-n8x0.c @@ -53,14 +53,12 @@ static u32 board_caps; static void board_check_revision(void) { - if (of_have_populated_dt()) { - if (of_machine_is_compatible("nokia,n800")) - board_caps = NOKIA_N800; - else if (of_machine_is_compatible("nokia,n810")) - board_caps = NOKIA_N810; - else if (of_machine_is_compatible("nokia,n810-wimax")) - board_caps = NOKIA_N810_WIMAX; - } + if (of_machine_is_compatible("nokia,n800")) + board_caps = NOKIA_N800; + else if (of_machine_is_compatible("nokia,n810")) + board_caps = NOKIA_N810; + else if (of_machine_is_compatible("nokia,n810-wimax")) + board_caps = NOKIA_N810_WIMAX; if (!board_caps) pr_err("Unknown board\n"); diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c index b79b1ca9aee9..518926410b62 100644 --- a/arch/arm/mach-omap2/clockdomain.c +++ b/arch/arm/mach-omap2/clockdomain.c @@ -1224,6 +1224,14 @@ ccd_exit: return 0; } +u32 clkdm_xlate_address(struct clockdomain *clkdm) +{ + if (arch_clkdm->clkdm_xlate_address) + return arch_clkdm->clkdm_xlate_address(clkdm); + + return 0; +} + /** * clkdm_hwmod_enable - add an enabled downstream hwmod to this clkdm * @clkdm: struct clockdomain * diff --git a/arch/arm/mach-omap2/clockdomain.h b/arch/arm/mach-omap2/clockdomain.h index 24667a5a9dc0..827f01e2d0af 100644 --- a/arch/arm/mach-omap2/clockdomain.h +++ b/arch/arm/mach-omap2/clockdomain.h @@ -175,6 +175,7 @@ struct clkdm_ops { void (*clkdm_deny_idle)(struct clockdomain *clkdm); int (*clkdm_clk_enable)(struct clockdomain *clkdm); int (*clkdm_clk_disable)(struct clockdomain *clkdm); + u32 (*clkdm_xlate_address)(struct clockdomain *clkdm); }; int clkdm_register_platform_funcs(struct clkdm_ops *co); @@ -213,6 +214,7 @@ int clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk); int clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk); int clkdm_hwmod_enable(struct clockdomain *clkdm, struct omap_hwmod *oh); int clkdm_hwmod_disable(struct clockdomain *clkdm, struct omap_hwmod *oh); +u32 clkdm_xlate_address(struct clockdomain *clkdm); extern void __init omap242x_clockdomains_init(void); extern void __init omap243x_clockdomains_init(void); diff --git a/arch/arm/mach-omap2/cm.h b/arch/arm/mach-omap2/cm.h index de75cbcdc9d1..e833984cc85e 100644 --- a/arch/arm/mach-omap2/cm.h +++ b/arch/arm/mach-omap2/cm.h @@ -24,8 +24,11 @@ # ifndef __ASSEMBLER__ #include <linux/clk/ti.h> -extern void __iomem *cm_base; -extern void __iomem *cm2_base; + +#include "prcm-common.h" + +extern struct omap_domain_base cm_base; +extern struct omap_domain_base cm2_base; extern void omap2_set_globals_cm(void __iomem *cm, void __iomem *cm2); # endif diff --git a/arch/arm/mach-omap2/cm2xxx_3xxx.h b/arch/arm/mach-omap2/cm2xxx_3xxx.h index 72928a3ce2aa..aa148cd57cc1 100644 --- a/arch/arm/mach-omap2/cm2xxx_3xxx.h +++ b/arch/arm/mach-omap2/cm2xxx_3xxx.h @@ -52,12 +52,12 @@ static inline u32 omap2_cm_read_mod_reg(s16 module, u16 idx) { - return readl_relaxed(cm_base + module + idx); + return readl_relaxed(cm_base.va + module + idx); } static inline void omap2_cm_write_mod_reg(u32 val, s16 module, u16 idx) { - writel_relaxed(val, cm_base + module + idx); + writel_relaxed(val, cm_base.va + module + idx); } /* Read-modify-write a register in a CM module. Caller must lock */ diff --git a/arch/arm/mach-omap2/cm33xx.c b/arch/arm/mach-omap2/cm33xx.c index 6f2d0aec0513..a9e08d89104e 100644 --- a/arch/arm/mach-omap2/cm33xx.c +++ b/arch/arm/mach-omap2/cm33xx.c @@ -50,13 +50,13 @@ /* Read a register in a CM instance */ static inline u32 am33xx_cm_read_reg(u16 inst, u16 idx) { - return readl_relaxed(cm_base + inst + idx); + return readl_relaxed(cm_base.va + inst + idx); } /* Write into a register in a CM */ static inline void am33xx_cm_write_reg(u32 val, u16 inst, u16 idx) { - writel_relaxed(val, cm_base + inst + idx); + writel_relaxed(val, cm_base.va + inst + idx); } /* Read-modify-write a register in CM */ diff --git a/arch/arm/mach-omap2/cm3xxx.c b/arch/arm/mach-omap2/cm3xxx.c index 55b046a719dc..961bc478b9de 100644 --- a/arch/arm/mach-omap2/cm3xxx.c +++ b/arch/arm/mach-omap2/cm3xxx.c @@ -669,7 +669,8 @@ static struct cm_ll_data omap3xxx_cm_ll_data = { int __init omap3xxx_cm_init(const struct omap_prcm_init_data *data) { - omap2_clk_legacy_provider_init(TI_CLKM_CM, cm_base + OMAP3430_IVA2_MOD); + omap2_clk_legacy_provider_init(TI_CLKM_CM, cm_base.va + + OMAP3430_IVA2_MOD); return cm_register(&omap3xxx_cm_ll_data); } diff --git a/arch/arm/mach-omap2/cm_common.c b/arch/arm/mach-omap2/cm_common.c index bbe41f4c9dc8..d555791cf349 100644 --- a/arch/arm/mach-omap2/cm_common.c +++ b/arch/arm/mach-omap2/cm_common.c @@ -32,10 +32,10 @@ static struct cm_ll_data null_cm_ll_data; static struct cm_ll_data *cm_ll_data = &null_cm_ll_data; /* cm_base: base virtual address of the CM IP block */ -void __iomem *cm_base; +struct omap_domain_base cm_base; /* cm2_base: base virtual address of the CM2 IP block (OMAP44xx only) */ -void __iomem *cm2_base; +struct omap_domain_base cm2_base; #define CM_NO_CLOCKS 0x1 #define CM_SINGLE_INSTANCE 0x2 @@ -49,8 +49,8 @@ void __iomem *cm2_base; */ void __init omap2_set_globals_cm(void __iomem *cm, void __iomem *cm2) { - cm_base = cm; - cm2_base = cm2; + cm_base.va = cm; + cm2_base.va = cm2; } /** @@ -315,27 +315,34 @@ int __init omap2_cm_base_init(void) struct device_node *np; const struct of_device_id *match; struct omap_prcm_init_data *data; - void __iomem *mem; + struct resource res; + int ret; + struct omap_domain_base *mem = NULL; for_each_matching_node_and_match(np, omap_cm_dt_match_table, &match) { data = (struct omap_prcm_init_data *)match->data; - mem = of_iomap(np, 0); - if (!mem) - return -ENOMEM; + ret = of_address_to_resource(np, 0, &res); + if (ret) + return ret; if (data->index == TI_CLKM_CM) - cm_base = mem + data->offset; + mem = &cm_base; if (data->index == TI_CLKM_CM2) - cm2_base = mem + data->offset; + mem = &cm2_base; + + data->mem = ioremap(res.start, resource_size(&res)); - data->mem = mem; + if (mem) { + mem->pa = res.start + data->offset; + mem->va = data->mem + data->offset; + } data->np = np; if (data->init && (data->flags & CM_SINGLE_INSTANCE || - (cm_base && cm2_base))) + (cm_base.va && cm2_base.va))) data->init(data); } diff --git a/arch/arm/mach-omap2/cminst44xx.c b/arch/arm/mach-omap2/cminst44xx.c index 2ab27ade136a..8774e983bea1 100644 --- a/arch/arm/mach-omap2/cminst44xx.c +++ b/arch/arm/mach-omap2/cminst44xx.c @@ -55,7 +55,7 @@ #define CLKCTRL_IDLEST_INTERFACE_IDLE 0x2 #define CLKCTRL_IDLEST_DISABLED 0x3 -static void __iomem *_cm_bases[OMAP4_MAX_PRCM_PARTITIONS]; +static struct omap_domain_base _cm_bases[OMAP4_MAX_PRCM_PARTITIONS]; /** * omap_cm_base_init - Populates the cm partitions @@ -65,10 +65,11 @@ static void __iomem *_cm_bases[OMAP4_MAX_PRCM_PARTITIONS]; */ static void omap_cm_base_init(void) { - _cm_bases[OMAP4430_PRM_PARTITION] = prm_base; - _cm_bases[OMAP4430_CM1_PARTITION] = cm_base; - _cm_bases[OMAP4430_CM2_PARTITION] = cm2_base; - _cm_bases[OMAP4430_PRCM_MPU_PARTITION] = prcm_mpu_base; + memcpy(&_cm_bases[OMAP4430_PRM_PARTITION], &prm_base, sizeof(prm_base)); + memcpy(&_cm_bases[OMAP4430_CM1_PARTITION], &cm_base, sizeof(cm_base)); + memcpy(&_cm_bases[OMAP4430_CM2_PARTITION], &cm2_base, sizeof(cm2_base)); + memcpy(&_cm_bases[OMAP4430_PRCM_MPU_PARTITION], &prcm_mpu_base, + sizeof(prcm_mpu_base)); } /* Private functions */ @@ -116,8 +117,8 @@ static u32 omap4_cminst_read_inst_reg(u8 part, u16 inst, u16 idx) { BUG_ON(part >= OMAP4_MAX_PRCM_PARTITIONS || part == OMAP4430_INVALID_PRCM_PARTITION || - !_cm_bases[part]); - return readl_relaxed(_cm_bases[part] + inst + idx); + !_cm_bases[part].va); + return readl_relaxed(_cm_bases[part].va + inst + idx); } /* Write into a register in a CM instance */ @@ -125,8 +126,8 @@ static void omap4_cminst_write_inst_reg(u32 val, u8 part, u16 inst, u16 idx) { BUG_ON(part >= OMAP4_MAX_PRCM_PARTITIONS || part == OMAP4430_INVALID_PRCM_PARTITION || - !_cm_bases[part]); - writel_relaxed(val, _cm_bases[part] + inst + idx); + !_cm_bases[part].va); + writel_relaxed(val, _cm_bases[part].va + inst + idx); } /* Read-modify-write a register in CM1. Caller must lock */ @@ -475,6 +476,14 @@ static int omap4_clkdm_clk_disable(struct clockdomain *clkdm) return 0; } +static u32 omap4_clkdm_xlate_address(struct clockdomain *clkdm) +{ + u32 addr = _cm_bases[clkdm->prcm_partition].pa + clkdm->cm_inst + + clkdm->clkdm_offs; + + return addr; +} + struct clkdm_ops omap4_clkdm_operations = { .clkdm_add_wkdep = omap4_clkdm_add_wkup_sleep_dep, .clkdm_del_wkdep = omap4_clkdm_del_wkup_sleep_dep, @@ -490,6 +499,7 @@ struct clkdm_ops omap4_clkdm_operations = { .clkdm_deny_idle = omap4_clkdm_deny_idle, .clkdm_clk_enable = omap4_clkdm_clk_enable, .clkdm_clk_disable = omap4_clkdm_clk_disable, + .clkdm_xlate_address = omap4_clkdm_xlate_address, }; struct clkdm_ops am43xx_clkdm_operations = { @@ -499,6 +509,7 @@ struct clkdm_ops am43xx_clkdm_operations = { .clkdm_deny_idle = omap4_clkdm_deny_idle, .clkdm_clk_enable = omap4_clkdm_clk_enable, .clkdm_clk_disable = omap4_clkdm_clk_disable, + .clkdm_xlate_address = omap4_clkdm_xlate_address, }; static struct cm_ll_data omap4xxx_cm_ll_data = { diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index 473951203104..93057fb65f44 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c @@ -36,130 +36,6 @@ #define L3_MODULES_MAX_LEN 12 #define L3_MODULES 3 -static int __init omap3_l3_init(void) -{ - struct omap_hwmod *oh; - struct platform_device *pdev; - char oh_name[L3_MODULES_MAX_LEN]; - - /* - * To avoid code running on other OMAPs in - * multi-omap builds - */ - if (!(cpu_is_omap34xx()) || of_have_populated_dt()) - return -ENODEV; - - snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main"); - - oh = omap_hwmod_lookup(oh_name); - - if (!oh) - pr_err("could not look up %s\n", oh_name); - - pdev = omap_device_build("omap_l3_smx", 0, oh, NULL, 0); - - WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name); - - return PTR_ERR_OR_ZERO(pdev); -} -omap_postcore_initcall(omap3_l3_init); - -static inline void omap_init_sti(void) {} - -#if IS_ENABLED(CONFIG_SPI_OMAP24XX) - -#include <linux/platform_data/spi-omap2-mcspi.h> - -static int __init omap_mcspi_init(struct omap_hwmod *oh, void *unused) -{ - struct platform_device *pdev; - char *name = "omap2_mcspi"; - struct omap2_mcspi_platform_config *pdata; - static int spi_num; - struct omap2_mcspi_dev_attr *mcspi_attrib = oh->dev_attr; - - pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); - if (!pdata) { - pr_err("Memory allocation for McSPI device failed\n"); - return -ENOMEM; - } - - pdata->num_cs = mcspi_attrib->num_chipselect; - switch (oh->class->rev) { - case OMAP2_MCSPI_REV: - case OMAP3_MCSPI_REV: - pdata->regs_offset = 0; - break; - case OMAP4_MCSPI_REV: - pdata->regs_offset = OMAP4_MCSPI_REG_OFFSET; - break; - default: - pr_err("Invalid McSPI Revision value\n"); - kfree(pdata); - return -EINVAL; - } - - spi_num++; - pdev = omap_device_build(name, spi_num, oh, pdata, sizeof(*pdata)); - WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s\n", - name, oh->name); - kfree(pdata); - return 0; -} - -static void omap_init_mcspi(void) -{ - omap_hwmod_for_each_by_class("mcspi", omap_mcspi_init, NULL); -} - -#else -static inline void omap_init_mcspi(void) {} -#endif - -/** - * omap_init_rng - bind the RNG hwmod to the RNG omap_device - * - * Bind the RNG hwmod to the RNG omap_device. No return value. - */ -static void __init omap_init_rng(void) -{ - struct omap_hwmod *oh; - struct platform_device *pdev; - - oh = omap_hwmod_lookup("rng"); - if (!oh) - return; - - pdev = omap_device_build("omap_rng", -1, oh, NULL, 0); - WARN(IS_ERR(pdev), "Can't build omap_device for omap_rng\n"); -} - -static void __init omap_init_sham(void) -{ - struct omap_hwmod *oh; - struct platform_device *pdev; - - oh = omap_hwmod_lookup("sham"); - if (!oh) - return; - - pdev = omap_device_build("omap-sham", -1, oh, NULL, 0); - WARN(IS_ERR(pdev), "Can't build omap_device for omap-sham\n"); -} - -static void __init omap_init_aes(void) -{ - struct omap_hwmod *oh; - struct platform_device *pdev; - - oh = omap_hwmod_lookup("aes"); - if (!oh) - return; - - pdev = omap_device_build("omap-aes", -1, oh, NULL, 0); - WARN(IS_ERR(pdev), "Can't build omap_device for omap-aes\n"); -} - /*-------------------------------------------------------------------------*/ #if IS_ENABLED(CONFIG_VIDEO_OMAP2_VOUT) @@ -185,54 +61,3 @@ int __init omap_init_vout(void) #else int __init omap_init_vout(void) { return 0; } #endif - -/*-------------------------------------------------------------------------*/ - -static int __init omap2_init_devices(void) -{ - /* Enable dummy states for those platforms without pinctrl support */ - if (!of_have_populated_dt()) - pinctrl_provide_dummies(); - - /* If dtb is there, the devices will be created dynamically */ - if (!of_have_populated_dt()) { - /* - * please keep these calls, and their implementations above, - * in alphabetical order so they're easier to sort through. - */ - omap_init_mcspi(); - omap_init_sham(); - omap_init_aes(); - omap_init_rng(); - } - omap_init_sti(); - - return 0; -} -omap_arch_initcall(omap2_init_devices); - -static int __init omap_gpmc_init(void) -{ - struct omap_hwmod *oh; - struct platform_device *pdev; - char *oh_name = "gpmc"; - - /* - * if the board boots up with a populated DT, do not - * manually add the device from this initcall - */ - if (of_have_populated_dt()) - return -ENODEV; - - oh = omap_hwmod_lookup(oh_name); - if (!oh) { - pr_err("Could not look up %s\n", oh_name); - return -ENODEV; - } - - pdev = omap_device_build("omap-gpmc", -1, oh, NULL, 0); - WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name); - - return PTR_ERR_OR_ZERO(pdev); -} -omap_postcore_initcall(omap_gpmc_init); diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c index 8fa01c0ecdb2..b3f6eb5d04a2 100644 --- a/arch/arm/mach-omap2/display.c +++ b/arch/arm/mach-omap2/display.c @@ -66,6 +66,7 @@ */ #define FRAMEDONE_IRQ_TIMEOUT 100 +#if defined(CONFIG_FB_OMAP2) static struct platform_device omap_display_device = { .name = "omapdss", .id = -1, @@ -163,6 +164,65 @@ static enum omapdss_version __init omap_display_get_version(void) return OMAPDSS_VER_UNKNOWN; } +static int __init omapdss_init_fbdev(void) +{ + static struct omap_dss_board_info board_data = { + .dsi_enable_pads = omap_dsi_enable_pads, + .dsi_disable_pads = omap_dsi_disable_pads, + .set_min_bus_tput = omap_dss_set_min_bus_tput, + }; + struct device_node *node; + int r; + + board_data.version = omap_display_get_version(); + if (board_data.version == OMAPDSS_VER_UNKNOWN) { + pr_err("DSS not supported on this SoC\n"); + return -ENODEV; + } + + omap_display_device.dev.platform_data = &board_data; + + r = platform_device_register(&omap_display_device); + if (r < 0) { + pr_err("Unable to register omapdss device\n"); + return r; + } + + /* create vrfb device */ + r = omap_init_vrfb(); + if (r < 0) { + pr_err("Unable to register omapvrfb device\n"); + return r; + } + + /* create FB device */ + r = omap_init_fb(); + if (r < 0) { + pr_err("Unable to register omapfb device\n"); + return r; + } + + /* create V4L2 display device */ + r = omap_init_vout(); + if (r < 0) { + pr_err("Unable to register omap_vout device\n"); + return r; + } + + /* add DSI info for omap4 */ + node = of_find_node_by_name(NULL, "omap4_padconf_global"); + if (node) + omap4_dsi_mux_syscon = syscon_node_to_regmap(node); + + return 0; +} +#else +static inline int omapdss_init_fbdev(void) +{ + return 0; +} +#endif /* CONFIG_FB_OMAP2 */ + static void dispc_disable_outputs(void) { u32 v, irq_mask = 0; @@ -335,16 +395,9 @@ static struct device_node * __init omapdss_find_dss_of_node(void) int __init omapdss_init_of(void) { int r; - enum omapdss_version ver; struct device_node *node; struct platform_device *pdev; - static struct omap_dss_board_info board_data = { - .dsi_enable_pads = omap_dsi_enable_pads, - .dsi_disable_pads = omap_dsi_disable_pads, - .set_min_bus_tput = omap_dss_set_min_bus_tput, - }; - /* only create dss helper devices if dss is enabled in the .dts */ node = omapdss_find_dss_of_node(); @@ -354,13 +407,6 @@ int __init omapdss_init_of(void) if (!of_device_is_available(node)) return 0; - ver = omap_display_get_version(); - - if (ver == OMAPDSS_VER_UNKNOWN) { - pr_err("DSS not supported on this SoC\n"); - return -ENODEV; - } - pdev = of_find_device_by_node(node); if (!pdev) { @@ -374,48 +420,5 @@ int __init omapdss_init_of(void) return r; } - board_data.version = ver; - - omap_display_device.dev.platform_data = &board_data; - - r = platform_device_register(&omap_display_device); - if (r < 0) { - pr_err("Unable to register omapdss device\n"); - return r; - } - - /* create DRM device */ - r = omap_init_drm(); - if (r < 0) { - pr_err("Unable to register omapdrm device\n"); - return r; - } - - /* create vrfb device */ - r = omap_init_vrfb(); - if (r < 0) { - pr_err("Unable to register omapvrfb device\n"); - return r; - } - - /* create FB device */ - r = omap_init_fb(); - if (r < 0) { - pr_err("Unable to register omapfb device\n"); - return r; - } - - /* create V4L2 display device */ - r = omap_init_vout(); - if (r < 0) { - pr_err("Unable to register omap_vout device\n"); - return r; - } - - /* add DSI info for omap4 */ - node = of_find_node_by_name(NULL, "omap4_padconf_global"); - if (node) - omap4_dsi_mux_syscon = syscon_node_to_regmap(node); - - return 0; + return omapdss_init_fbdev(); } diff --git a/arch/arm/mach-omap2/display.h b/arch/arm/mach-omap2/display.h index 9a39646d4316..42ec2e99a2f4 100644 --- a/arch/arm/mach-omap2/display.h +++ b/arch/arm/mach-omap2/display.h @@ -26,7 +26,6 @@ struct omap_dss_dispc_dev_attr { bool has_framedonetv_irq; }; -int omap_init_drm(void); int omap_init_vrfb(void); int omap_init_fb(void); int omap_init_vout(void); diff --git a/arch/arm/mach-omap2/dma.c b/arch/arm/mach-omap2/dma.c index e58c13a9bea5..0b77a0176018 100644 --- a/arch/arm/mach-omap2/dma.c +++ b/arch/arm/mach-omap2/dma.c @@ -249,6 +249,24 @@ static const struct dma_slave_map omap24xx_sdma_map[] = { { "omap_uart.2", "rx", SDMA_FILTER_PARAM(54) }, { "omap_hsmmc.0", "tx", SDMA_FILTER_PARAM(61) }, { "omap_hsmmc.0", "rx", SDMA_FILTER_PARAM(62) }, + + /* external DMA requests when tusb6010 is used */ + { "musb-tusb", "dmareq0", SDMA_FILTER_PARAM(2) }, + { "musb-tusb", "dmareq1", SDMA_FILTER_PARAM(3) }, + { "musb-tusb", "dmareq2", SDMA_FILTER_PARAM(14) }, /* OMAP2420 only */ + { "musb-tusb", "dmareq3", SDMA_FILTER_PARAM(15) }, /* OMAP2420 only */ + { "musb-tusb", "dmareq4", SDMA_FILTER_PARAM(16) }, /* OMAP2420 only */ + { "musb-tusb", "dmareq5", SDMA_FILTER_PARAM(64) }, /* OMAP2420 only */ +}; + +static const struct dma_slave_map omap24xx_sdma_dt_map[] = { + /* external DMA requests when tusb6010 is used */ + { "musb-hdrc.1.auto", "dmareq0", SDMA_FILTER_PARAM(2) }, + { "musb-hdrc.1.auto", "dmareq1", SDMA_FILTER_PARAM(3) }, + { "musb-hdrc.1.auto", "dmareq2", SDMA_FILTER_PARAM(14) }, /* OMAP2420 only */ + { "musb-hdrc.1.auto", "dmareq3", SDMA_FILTER_PARAM(15) }, /* OMAP2420 only */ + { "musb-hdrc.1.auto", "dmareq4", SDMA_FILTER_PARAM(16) }, /* OMAP2420 only */ + { "musb-hdrc.1.auto", "dmareq5", SDMA_FILTER_PARAM(64) }, /* OMAP2420 only */ }; static const struct dma_slave_map omap3xxx_sdma_map[] = { @@ -346,6 +364,12 @@ static int __init omap2_system_dma_init_dev(struct omap_hwmod *oh, void *unused) __func__); return -ENODEV; } + } else { + if (soc_is_omap24xx()) { + /* DMA slave map for drivers not yet converted to DT */ + p.slave_map = omap24xx_sdma_dt_map; + p.slavecnt = ARRAY_SIZE(omap24xx_sdma_dt_map); + } } pdev = omap_device_build(name, 0, oh, &p, sizeof(p)); diff --git a/arch/arm/mach-omap2/drm.c b/arch/arm/mach-omap2/drm.c deleted file mode 100644 index 44fef961bb70..000000000000 --- a/arch/arm/mach-omap2/drm.c +++ /dev/null @@ -1,53 +0,0 @@ -/* - * DRM/KMS device registration for TI OMAP platforms - * - * Copyright (C) 2012 Texas Instruments - * Author: Rob Clark <rob.clark@linaro.org> - * - * 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. - * - * 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, see <http://www.gnu.org/licenses/>. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/dma-mapping.h> -#include <linux/platform_data/omap_drm.h> - -#include "soc.h" -#include "display.h" - -#if IS_ENABLED(CONFIG_DRM_OMAP) - -static struct omap_drm_platform_data platform_data; - -static struct platform_device omap_drm_device = { - .dev = { - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &platform_data, - }, - .name = "omapdrm", - .id = 0, -}; - -int __init omap_init_drm(void) -{ - platform_data.omaprev = GET_OMAP_TYPE; - - return platform_device_register(&omap_drm_device); - -} -#else -int __init omap_init_drm(void) { return 0; } -#endif diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c index cb754c46747e..5b614388d72f 100644 --- a/arch/arm/mach-omap2/hsmmc.c +++ b/arch/arm/mach-omap2/hsmmc.c @@ -32,120 +32,6 @@ static u16 control_devconf1_offset; #define HSMMC_NAME_LEN 9 -static void omap_hsmmc1_before_set_reg(struct device *dev, - int power_on, int vdd) -{ - u32 reg, prog_io; - struct omap_hsmmc_platform_data *mmc = dev->platform_data; - - if (mmc->remux) - mmc->remux(dev, power_on); - - /* - * Assume we power both OMAP VMMC1 (for CMD, CLK, DAT0..3) and the - * card with Vcc regulator (from twl4030 or whatever). OMAP has both - * 1.8V and 3.0V modes, controlled by the PBIAS register. - * - * In 8-bit modes, OMAP VMMC1A (for DAT4..7) needs a supply, which - * is most naturally TWL VSIM; those pins also use PBIAS. - * - * FIXME handle VMMC1A as needed ... - */ - if (power_on) { - if (cpu_is_omap2430()) { - reg = omap_ctrl_readl(OMAP243X_CONTROL_DEVCONF1); - if ((1 << vdd) >= MMC_VDD_30_31) - reg |= OMAP243X_MMC1_ACTIVE_OVERWRITE; - else - reg &= ~OMAP243X_MMC1_ACTIVE_OVERWRITE; - omap_ctrl_writel(reg, OMAP243X_CONTROL_DEVCONF1); - } - - if (mmc->internal_clock) { - reg = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); - reg |= OMAP2_MMCSDIO1ADPCLKISEL; - omap_ctrl_writel(reg, OMAP2_CONTROL_DEVCONF0); - } - - reg = omap_ctrl_readl(control_pbias_offset); - if (cpu_is_omap3630()) { - /* Set MMC I/O to 52MHz */ - prog_io = omap_ctrl_readl(OMAP343X_CONTROL_PROG_IO1); - prog_io |= OMAP3630_PRG_SDMMC1_SPEEDCTRL; - omap_ctrl_writel(prog_io, OMAP343X_CONTROL_PROG_IO1); - } else { - reg |= OMAP2_PBIASSPEEDCTRL0; - } - reg &= ~OMAP2_PBIASLITEPWRDNZ0; - omap_ctrl_writel(reg, control_pbias_offset); - } else { - reg = omap_ctrl_readl(control_pbias_offset); - reg &= ~OMAP2_PBIASLITEPWRDNZ0; - omap_ctrl_writel(reg, control_pbias_offset); - } -} - -static void omap_hsmmc1_after_set_reg(struct device *dev, int power_on, int vdd) -{ - u32 reg; - - /* 100ms delay required for PBIAS configuration */ - msleep(100); - - if (power_on) { - reg = omap_ctrl_readl(control_pbias_offset); - reg |= (OMAP2_PBIASLITEPWRDNZ0 | OMAP2_PBIASSPEEDCTRL0); - if ((1 << vdd) <= MMC_VDD_165_195) - reg &= ~OMAP2_PBIASLITEVMODE0; - else - reg |= OMAP2_PBIASLITEVMODE0; - omap_ctrl_writel(reg, control_pbias_offset); - } else { - reg = omap_ctrl_readl(control_pbias_offset); - reg |= (OMAP2_PBIASSPEEDCTRL0 | OMAP2_PBIASLITEPWRDNZ0 | - OMAP2_PBIASLITEVMODE0); - omap_ctrl_writel(reg, control_pbias_offset); - } -} - -static void hsmmc2_select_input_clk_src(struct omap_hsmmc_platform_data *mmc) -{ - u32 reg; - - reg = omap_ctrl_readl(control_devconf1_offset); - if (mmc->internal_clock) - reg |= OMAP2_MMCSDIO2ADPCLKISEL; - else - reg &= ~OMAP2_MMCSDIO2ADPCLKISEL; - omap_ctrl_writel(reg, control_devconf1_offset); -} - -static void hsmmc2_before_set_reg(struct device *dev, int power_on, int vdd) -{ - struct omap_hsmmc_platform_data *mmc = dev->platform_data; - - if (mmc->remux) - mmc->remux(dev, power_on); - - if (power_on) - hsmmc2_select_input_clk_src(mmc); -} - -static int am35x_hsmmc2_set_power(struct device *dev, int power_on, int vdd) -{ - struct omap_hsmmc_platform_data *mmc = dev->platform_data; - - if (power_on) - hsmmc2_select_input_clk_src(mmc); - - return 0; -} - -static int nop_mmc_set_power(struct device *dev, int power_on, int vdd) -{ - return 0; -} - static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c, struct omap_hsmmc_platform_data *mmc) { @@ -153,106 +39,15 @@ static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c, hc_name = kzalloc(sizeof(char) * (HSMMC_NAME_LEN + 1), GFP_KERNEL); if (!hc_name) { - pr_err("Cannot allocate memory for controller slot name\n"); kfree(hc_name); return -ENOMEM; } - if (c->name) - strncpy(hc_name, c->name, HSMMC_NAME_LEN); - else - snprintf(hc_name, (HSMMC_NAME_LEN + 1), "mmc%islot%i", - c->mmc, 1); + snprintf(hc_name, (HSMMC_NAME_LEN + 1), "mmc%islot%i", c->mmc, 1); mmc->name = hc_name; mmc->caps = c->caps; - mmc->internal_clock = !c->ext_clock; mmc->reg_offset = 0; - if (c->cover_only) { - /* detect if mobile phone cover removed */ - mmc->gpio_cd = -EINVAL; - mmc->gpio_cod = c->gpio_cd; - } else { - /* card detect pin on the mmc socket itself */ - mmc->gpio_cd = c->gpio_cd; - mmc->gpio_cod = -EINVAL; - } - mmc->gpio_wp = c->gpio_wp; - - mmc->remux = c->remux; - mmc->init_card = c->init_card; - - if (c->nonremovable) - mmc->nonremovable = 1; - - /* - * NOTE: MMC slots should have a Vcc regulator set up. - * This may be from a TWL4030-family chip, another - * controllable regulator, or a fixed supply. - * - * temporary HACK: ocr_mask instead of fixed supply - */ - if (soc_is_am35xx()) - mmc->ocr_mask = MMC_VDD_165_195 | - MMC_VDD_26_27 | - MMC_VDD_27_28 | - MMC_VDD_29_30 | - MMC_VDD_30_31 | - MMC_VDD_31_32; - else - mmc->ocr_mask = c->ocr_mask; - - if (!soc_is_am35xx()) - mmc->features |= HSMMC_HAS_PBIAS; - - switch (c->mmc) { - case 1: - if (mmc->features & HSMMC_HAS_PBIAS) { - /* on-chip level shifting via PBIAS0/PBIAS1 */ - mmc->before_set_reg = - omap_hsmmc1_before_set_reg; - mmc->after_set_reg = - omap_hsmmc1_after_set_reg; - } - - if (soc_is_am35xx()) - mmc->set_power = nop_mmc_set_power; - - /* OMAP3630 HSMMC1 supports only 4-bit */ - if (cpu_is_omap3630() && - (c->caps & MMC_CAP_8_BIT_DATA)) { - c->caps &= ~MMC_CAP_8_BIT_DATA; - c->caps |= MMC_CAP_4_BIT_DATA; - mmc->caps = c->caps; - } - break; - case 2: - if (soc_is_am35xx()) - mmc->set_power = am35x_hsmmc2_set_power; - - if (c->ext_clock) - c->transceiver = 1; - if (c->transceiver && (c->caps & MMC_CAP_8_BIT_DATA)) { - c->caps &= ~MMC_CAP_8_BIT_DATA; - c->caps |= MMC_CAP_4_BIT_DATA; - } - if (mmc->features & HSMMC_HAS_PBIAS) { - /* off-chip level shifting, or none */ - mmc->before_set_reg = hsmmc2_before_set_reg; - mmc->after_set_reg = NULL; - } - break; - case 3: - case 4: - case 5: - mmc->before_set_reg = NULL; - mmc->after_set_reg = NULL; - break; - default: - pr_err("MMC%d configuration not supported!\n", c->mmc); - kfree(hc_name); - return -ENODEV; - } return 0; } @@ -261,7 +56,6 @@ static int omap_hsmmc_done; void omap_hsmmc_late_init(struct omap2_hsmmc_info *c) { struct platform_device *pdev; - struct omap_hsmmc_platform_data *mmc_pdata; int res; if (omap_hsmmc_done != 1) @@ -270,32 +64,12 @@ void omap_hsmmc_late_init(struct omap2_hsmmc_info *c) omap_hsmmc_done++; for (; c->mmc; c++) { - if (!c->deferred) - continue; - pdev = c->pdev; if (!pdev) continue; - - mmc_pdata = pdev->dev.platform_data; - if (!mmc_pdata) - continue; - - if (c->cover_only) { - /* detect if mobile phone cover removed */ - mmc_pdata->gpio_cd = -EINVAL; - mmc_pdata->gpio_cod = c->gpio_cd; - } else { - /* card detect pin on the mmc socket itself */ - mmc_pdata->gpio_cd = c->gpio_cd; - mmc_pdata->gpio_cod = -EINVAL; - } - mmc_pdata->gpio_wp = c->gpio_wp; - res = omap_device_register(pdev); if (res) - pr_err("Could not late init MMC %s\n", - c->name); + pr_err("Could not late init MMC\n"); } } @@ -315,10 +89,8 @@ static void __init omap_hsmmc_init_one(struct omap2_hsmmc_info *hsmmcinfo, int res; mmc_data = kzalloc(sizeof(*mmc_data), GFP_KERNEL); - if (!mmc_data) { - pr_err("Cannot allocate memory for mmc device!\n"); + if (!mmc_data) return; - } res = omap_hsmmc_pdata_init(hsmmcinfo, mmc_data); if (res < 0) @@ -339,13 +111,6 @@ static void __init omap_hsmmc_init_one(struct omap2_hsmmc_info *hsmmcinfo, if (oh->dev_attr != NULL) { mmc_dev_attr = oh->dev_attr; mmc_data->controller_flags = mmc_dev_attr->flags; - /* - * erratum 2.1.1.128 doesn't apply if board has - * a transceiver is attached - */ - if (hsmmcinfo->transceiver) - mmc_data->controller_flags &= - ~OMAP_HSMMC_BROKEN_MULTIBLOCK_READ; } pdev = platform_device_alloc(name, ctrl_nr - 1); @@ -370,9 +135,6 @@ static void __init omap_hsmmc_init_one(struct omap2_hsmmc_info *hsmmcinfo, hsmmcinfo->pdev = pdev; - if (hsmmcinfo->deferred) - goto free_mmc; - res = omap_device_register(pdev); if (res) { pr_err("Could not register od for %s\n", name); diff --git a/arch/arm/mach-omap2/hsmmc.h b/arch/arm/mach-omap2/hsmmc.h index 69b619ddc765..af9af5094ec3 100644 --- a/arch/arm/mach-omap2/hsmmc.h +++ b/arch/arm/mach-omap2/hsmmc.h @@ -12,18 +12,9 @@ struct omap2_hsmmc_info { u8 mmc; /* controller 1/2/3 */ u32 caps; /* 4/8 wires and any additional host * capabilities OR'd (ref. linux/mmc/host.h) */ - bool transceiver; /* MMC-2 option */ - bool ext_clock; /* use external pin for input clock */ - bool cover_only; /* No card detect - just cover switch */ - bool nonremovable; /* Nonremovable e.g. eMMC */ - bool deferred; /* mmc needs a deferred probe */ int gpio_cd; /* or -EINVAL */ int gpio_wp; /* or -EINVAL */ - char *name; /* or NULL for default */ struct platform_device *pdev; /* mmc controller instance */ - int ocr_mask; /* temporary HACK */ - /* Remux (pad configuration) when powering on/off */ - void (*remux)(struct device *dev, int power_on); /* init some special card */ void (*init_card)(struct mmc_card *card); }; diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index 5aafb8449c40..cb5d7314cf99 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -410,7 +410,7 @@ static int _set_hwmod_postsetup_state(struct omap_hwmod *oh, void *data) return omap_hwmod_set_postsetup_state(oh, *(u8 *)data); } -static void __init omap_hwmod_init_postsetup(void) +static void __init __maybe_unused omap_hwmod_init_postsetup(void) { u8 postsetup_state; @@ -428,7 +428,6 @@ static void __init omap_hwmod_init_postsetup(void) static void __init __maybe_unused omap_common_late_init(void) { omap2_common_pm_late_init(); - omap_soc_device_init(); } #ifdef CONFIG_SOC_OMAP2420 @@ -493,67 +492,39 @@ void __init omap3_init_early(void) omap2_set_globals_tap(OMAP343X_CLASS, OMAP2_L4_IO_ADDRESS(0x4830A000)); omap2_set_globals_sdrc(OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE), OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE)); - /* XXX: remove these once OMAP3 is DT only */ - if (!of_have_populated_dt()) { - omap2_set_globals_control( - OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE)); - omap2_set_globals_prm(OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE)); - omap2_set_globals_cm(OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE), - NULL); - } omap2_control_base_init(); omap3xxx_check_revision(); omap3xxx_check_features(); omap2_prcm_base_init(); - /* XXX: remove these once OMAP3 is DT only */ - if (!of_have_populated_dt()) { - omap3xxx_prm_init(NULL); - omap3xxx_cm_init(NULL); - } omap3xxx_voltagedomains_init(); omap3xxx_powerdomains_init(); omap3xxx_clockdomains_init(); omap3xxx_hwmod_init(); omap_hwmod_init_postsetup(); - if (!of_have_populated_dt()) { - omap3_control_legacy_iomap_init(); - if (soc_is_am35xx()) - omap_clk_soc_init = am35xx_clk_legacy_init; - else if (cpu_is_omap3630()) - omap_clk_soc_init = omap36xx_clk_legacy_init; - else if (omap_rev() == OMAP3430_REV_ES1_0) - omap_clk_soc_init = omap3430es1_clk_legacy_init; - else - omap_clk_soc_init = omap3430_clk_legacy_init; - } } void __init omap3430_init_early(void) { omap3_init_early(); - if (of_have_populated_dt()) - omap_clk_soc_init = omap3430_dt_clk_init; + omap_clk_soc_init = omap3430_dt_clk_init; } void __init omap35xx_init_early(void) { omap3_init_early(); - if (of_have_populated_dt()) - omap_clk_soc_init = omap3430_dt_clk_init; + omap_clk_soc_init = omap3430_dt_clk_init; } void __init omap3630_init_early(void) { omap3_init_early(); - if (of_have_populated_dt()) - omap_clk_soc_init = omap3630_dt_clk_init; + omap_clk_soc_init = omap3630_dt_clk_init; } void __init am35xx_init_early(void) { omap3_init_early(); - if (of_have_populated_dt()) - omap_clk_soc_init = am35xx_dt_clk_init; + omap_clk_soc_init = am35xx_dt_clk_init; } void __init omap3_init_late(void) @@ -628,8 +599,7 @@ void __init ti816x_init_early(void) ti816x_clockdomains_init(); dm816x_hwmod_init(); omap_hwmod_init_postsetup(); - if (of_have_populated_dt()) - omap_clk_soc_init = dm816x_dt_clk_init; + omap_clk_soc_init = dm816x_dt_clk_init; } #endif @@ -785,21 +755,19 @@ int __init omap_clk_init(void) omap2_clk_setup_ll_ops(); - if (of_have_populated_dt()) { - ret = omap_control_init(); - if (ret) - return ret; + ret = omap_control_init(); + if (ret) + return ret; - ret = omap_prcm_init(); - if (ret) - return ret; + ret = omap_prcm_init(); + if (ret) + return ret; - of_clk_init(NULL); + of_clk_init(NULL); - ti_dt_clk_init_retry_clks(); + ti_dt_clk_init_retry_clks(); - ti_dt_clockdomains_setup(); - } + ti_dt_clockdomains_setup(); ret = omap_clk_soc_init(); diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c index fc04be74e064..4acc0dae27e0 100644 --- a/arch/arm/mach-omap2/mcbsp.c +++ b/arch/arm/mach-omap2/mcbsp.c @@ -53,73 +53,3 @@ void __init omap3_mcbsp_init_pdata_callback( pdata->force_ick_on = omap3_mcbsp_force_ick_on; } - -static int __init omap_init_mcbsp(struct omap_hwmod *oh, void *unused) -{ - int id, count = 1; - char *name = "omap-mcbsp"; - struct omap_hwmod *oh_device[2]; - struct omap_mcbsp_platform_data *pdata = NULL; - struct platform_device *pdev; - - sscanf(oh->name, "mcbsp%d", &id); - - pdata = kzalloc(sizeof(struct omap_mcbsp_platform_data), GFP_KERNEL); - if (!pdata) { - pr_err("%s: No memory for mcbsp\n", __func__); - return -ENOMEM; - } - - 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_TYPE2) { - /* The FIFO has 128 locations */ - pdata->buffer_size = 0x80; - } else if (oh->class->rev == MCBSP_CONFIG_TYPE3) { - if (id == 2) - /* The FIFO has 1024 + 256 locations */ - pdata->buffer_size = 0x500; - else - /* The FIFO has 128 locations */ - pdata->buffer_size = 0x80; - } else if (oh->class->rev == MCBSP_CONFIG_TYPE4) { - /* The FIFO has 128 locations for all instances */ - 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->force_ick_on = omap3_mcbsp_force_ick_on; - count++; - } - pdev = omap_device_build_ss(name, id, oh_device, count, pdata, - sizeof(*pdata)); - kfree(pdata); - if (IS_ERR(pdev)) { - pr_err("%s: Can't build omap_device for %s:%s.\n", __func__, - name, oh->name); - return PTR_ERR(pdev); - } - return 0; -} - -static int __init omap2_mcbsp_init(void) -{ - if (!of_have_populated_dt()) - omap_hwmod_for_each_by_class("mcbsp", omap_init_mcbsp, NULL); - - return 0; -} -omap_arch_initcall(omap2_mcbsp_init); diff --git a/arch/arm/mach-omap2/omap-wakeupgen.c b/arch/arm/mach-omap2/omap-wakeupgen.c index 369f95a703ac..33ed5d53fa45 100644 --- a/arch/arm/mach-omap2/omap-wakeupgen.c +++ b/arch/arm/mach-omap2/omap-wakeupgen.c @@ -58,6 +58,17 @@ static unsigned int irq_banks = DEFAULT_NR_REG_BANKS; static unsigned int max_irqs = DEFAULT_IRQS; static unsigned int omap_secure_apis; +#ifdef CONFIG_CPU_PM +static unsigned int wakeupgen_context[MAX_NR_REG_BANKS]; +#endif + +struct omap_wakeupgen_ops { + void (*save_context)(void); + void (*restore_context)(void); +}; + +static struct omap_wakeupgen_ops *wakeupgen_ops; + /* * Static helper functions. */ @@ -264,6 +275,16 @@ static inline void omap5_irq_save_context(void) } +static inline void am43xx_irq_save_context(void) +{ + u32 i; + + for (i = 0; i < irq_banks; i++) { + wakeupgen_context[i] = wakeupgen_readl(i, 0); + wakeupgen_writel(0, i, CPU0_ID); + } +} + /* * Save WakeupGen interrupt context in SAR BANK3. Restore is done by * ROM code. WakeupGen IP is integrated along with GIC to manage the @@ -280,11 +301,8 @@ static void irq_save_context(void) if (!sar_base) sar_base = omap4_get_sar_ram_base(); - - if (soc_is_omap54xx()) - omap5_irq_save_context(); - else - omap4_irq_save_context(); + if (wakeupgen_ops && wakeupgen_ops->save_context) + wakeupgen_ops->save_context(); } /* @@ -306,6 +324,20 @@ static void irq_sar_clear(void) writel_relaxed(val, sar_base + offset); } +static void am43xx_irq_restore_context(void) +{ + u32 i; + + for (i = 0; i < irq_banks; i++) + wakeupgen_writel(wakeupgen_context[i], i, CPU0_ID); +} + +static void irq_restore_context(void) +{ + if (wakeupgen_ops && wakeupgen_ops->restore_context) + wakeupgen_ops->restore_context(); +} + /* * Save GIC and Wakeupgen interrupt context using secure API * for HS/EMU devices. @@ -319,6 +351,26 @@ static void irq_save_secure_context(void) if (ret != API_HAL_RET_VALUE_OK) pr_err("GIC and Wakeupgen context save failed\n"); } + +/* Define ops for context save and restore for each SoC */ +static struct omap_wakeupgen_ops omap4_wakeupgen_ops = { + .save_context = omap4_irq_save_context, + .restore_context = irq_sar_clear, +}; + +static struct omap_wakeupgen_ops omap5_wakeupgen_ops = { + .save_context = omap5_irq_save_context, + .restore_context = irq_sar_clear, +}; + +static struct omap_wakeupgen_ops am43xx_wakeupgen_ops = { + .save_context = am43xx_irq_save_context, + .restore_context = am43xx_irq_restore_context, +}; +#else +static struct omap_wakeupgen_ops omap4_wakeupgen_ops = {}; +static struct omap_wakeupgen_ops omap5_wakeupgen_ops = {}; +static struct omap_wakeupgen_ops am43xx_wakeupgen_ops = {}; #endif #ifdef CONFIG_HOTPLUG_CPU @@ -359,7 +411,7 @@ static int irq_notifier(struct notifier_block *self, unsigned long cmd, void *v) break; case CPU_CLUSTER_PM_EXIT: if (omap_type() == OMAP2_DEVICE_TYPE_GP) - irq_sar_clear(); + irq_restore_context(); break; } return NOTIFY_OK; @@ -494,9 +546,13 @@ static int __init wakeupgen_init(struct device_node *node, irq_banks = OMAP4_NR_BANKS; max_irqs = OMAP4_NR_IRQS; omap_secure_apis = 1; + wakeupgen_ops = &omap4_wakeupgen_ops; + } else if (soc_is_omap54xx()) { + wakeupgen_ops = &omap5_wakeupgen_ops; } else if (soc_is_am43xx()) { irq_banks = AM43XX_NR_REG_BANKS; max_irqs = AM43XX_IRQS; + wakeupgen_ops = &am43xx_wakeupgen_ops; } domain = irq_domain_add_hierarchy(parent_domain, 0, max_irqs, diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c index f989145480c8..ef9ffb8ac912 100644 --- a/arch/arm/mach-omap2/omap_device.c +++ b/arch/arm/mach-omap2/omap_device.c @@ -65,7 +65,7 @@ static void _add_clkdev(struct omap_device *od, const char *clk_alias, r = clk_get_sys(NULL, clk_name); - if (IS_ERR(r) && of_have_populated_dt()) { + if (IS_ERR(r)) { struct of_phandle_args clkspec; clkspec.np = of_find_node_by_name(NULL, clk_name); @@ -953,9 +953,6 @@ static int __init omap_device_late_init(void) { bus_for_each_dev(&platform_bus_type, NULL, NULL, omap_device_late_idle); - WARN(!of_have_populated_dt(), - "legacy booting deprecated, please update to boot with .dts\n"); - return 0; } omap_late_initcall_sync(omap_device_late_init); diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 8bcea0d83fa0..3b47ded5fa0c 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -141,6 +141,7 @@ #include <linux/cpu.h> #include <linux/of.h> #include <linux/of_address.h> +#include <linux/bootmem.h> #include <asm/system_misc.h> @@ -182,6 +183,24 @@ #define MOD_CLK_MAX_NAME_LEN 32 /** + * struct clkctrl_provider - clkctrl provider mapping data + * @addr: base address for the provider + * @offset: base offset for the provider + * @clkdm: base clockdomain for provider + * @node: device node associated with the provider + * @link: list link + */ +struct clkctrl_provider { + u32 addr; + u16 offset; + struct clockdomain *clkdm; + struct device_node *node; + struct list_head link; +}; + +static LIST_HEAD(clkctrl_providers); + +/** * struct omap_hwmod_soc_ops - fn ptrs for some SoC-specific operations * @enable_module: function to enable a module (via MODULEMODE) * @disable_module: function to disable a module (via MODULEMODE) @@ -204,6 +223,8 @@ struct omap_hwmod_soc_ops { void (*update_context_lost)(struct omap_hwmod *oh); int (*get_context_lost)(struct omap_hwmod *oh); int (*disable_direct_prcm)(struct omap_hwmod *oh); + u32 (*xlate_clkctrl)(struct omap_hwmod *oh, + struct clkctrl_provider *provider); }; /* soc_ops: adapts the omap_hwmod code to the currently-booted SoC */ @@ -690,6 +711,103 @@ static int _del_initiator_dep(struct omap_hwmod *oh, struct omap_hwmod *init_oh) return clkdm_del_sleepdep(clkdm, init_clkdm); } +static const struct of_device_id ti_clkctrl_match_table[] __initconst = { + { .compatible = "ti,clkctrl" }, + { } +}; + +static int _match_clkdm(struct clockdomain *clkdm, void *user) +{ + struct clkctrl_provider *provider = user; + + if (clkdm_xlate_address(clkdm) == provider->addr) { + pr_debug("%s: Matched clkdm %s for addr %x (%s)\n", __func__, + clkdm->name, provider->addr, + provider->node->parent->name); + provider->clkdm = clkdm; + + return -1; + } + + return 0; +} + +static int _setup_clkctrl_provider(struct device_node *np) +{ + const __be32 *addrp; + struct clkctrl_provider *provider; + + provider = memblock_virt_alloc(sizeof(*provider), 0); + if (!provider) + return -ENOMEM; + + addrp = of_get_address(np, 0, NULL, NULL); + provider->addr = (u32)of_translate_address(np, addrp); + provider->offset = provider->addr & 0xff; + provider->addr &= ~0xff; + provider->node = np; + + clkdm_for_each(_match_clkdm, provider); + + if (!provider->clkdm) { + pr_err("%s: nothing matched for node %s (%x)\n", + __func__, np->parent->name, provider->addr); + memblock_free_early(__pa(provider), sizeof(*provider)); + return -EINVAL; + } + + list_add(&provider->link, &clkctrl_providers); + + return 0; +} + +static int _init_clkctrl_providers(void) +{ + struct device_node *np; + int ret = 0; + + for_each_matching_node(np, ti_clkctrl_match_table) { + ret = _setup_clkctrl_provider(np); + if (ret) + break; + } + + return ret; +} + +static u32 _omap4_xlate_clkctrl(struct omap_hwmod *oh, + struct clkctrl_provider *provider) +{ + return oh->prcm.omap4.clkctrl_offs - + provider->offset - provider->clkdm->clkdm_offs; +} + +static struct clk *_lookup_clkctrl_clk(struct omap_hwmod *oh) +{ + struct clkctrl_provider *provider; + struct clk *clk; + + if (!soc_ops.xlate_clkctrl) + return NULL; + + list_for_each_entry(provider, &clkctrl_providers, link) { + if (provider->clkdm == oh->clkdm) { + struct of_phandle_args clkspec; + + clkspec.np = provider->node; + clkspec.args_count = 2; + clkspec.args[0] = soc_ops.xlate_clkctrl(oh, provider); + clkspec.args[1] = 0; + + clk = of_clk_get_from_provider(&clkspec); + + return clk; + } + } + + return NULL; +} + /** * _init_main_clk - get a struct clk * for the the hwmod's main functional clk * @oh: struct omap_hwmod * @@ -701,22 +819,16 @@ static int _del_initiator_dep(struct omap_hwmod *oh, struct omap_hwmod *init_oh) static int _init_main_clk(struct omap_hwmod *oh) { int ret = 0; - char name[MOD_CLK_MAX_NAME_LEN]; - struct clk *clk; - static const char modck[] = "_mod_ck"; + struct clk *clk = NULL; - if (strlen(oh->name) >= MOD_CLK_MAX_NAME_LEN - strlen(modck)) - pr_warn("%s: warning: cropping name for %s\n", __func__, - oh->name); - - strlcpy(name, oh->name, MOD_CLK_MAX_NAME_LEN - strlen(modck)); - strlcat(name, modck, MOD_CLK_MAX_NAME_LEN); + clk = _lookup_clkctrl_clk(oh); - clk = clk_get(NULL, name); - if (!IS_ERR(clk)) { + if (!IS_ERR_OR_NULL(clk)) { + pr_debug("%s: mapped main_clk %s for %s\n", __func__, + __clk_get_name(clk), oh->name); + oh->main_clk = __clk_get_name(clk); oh->_clk = clk; soc_ops.disable_direct_prcm(oh); - oh->main_clk = kstrdup(name, GFP_KERNEL); } else { if (!oh->main_clk) return 0; @@ -1482,13 +1594,13 @@ static int _init_clkdm(struct omap_hwmod *oh) * _init_clocks - clk_get() all clocks associated with this hwmod. Retrieve as * well the clockdomain. * @oh: struct omap_hwmod * - * @data: not used; pass NULL + * @np: device_node mapped to this hwmod * * Called by omap_hwmod_setup_*() (after omap2_clk_init()). * Resolves all clock names embedded in the hwmod. Returns 0 on * success, or a negative error code on failure. */ -static int _init_clocks(struct omap_hwmod *oh, void *data) +static int _init_clocks(struct omap_hwmod *oh, struct device_node *np) { int ret = 0; @@ -2334,24 +2446,21 @@ static int __init _init(struct omap_hwmod *oh, void *data) { int r, index; struct device_node *np = NULL; + struct device_node *bus; if (oh->_state != _HWMOD_STATE_REGISTERED) return 0; - if (of_have_populated_dt()) { - struct device_node *bus; + bus = of_find_node_by_name(NULL, "ocp"); + if (!bus) + return -ENODEV; - bus = of_find_node_by_name(NULL, "ocp"); - if (!bus) - return -ENODEV; - - r = of_dev_hwmod_lookup(bus, oh, &index, &np); - if (r) - pr_debug("omap_hwmod: %s missing dt data\n", oh->name); - else if (np && index) - pr_warn("omap_hwmod: %s using broken dt data from %s\n", - oh->name, np->name); - } + r = of_dev_hwmod_lookup(bus, oh, &index, &np); + if (r) + pr_debug("omap_hwmod: %s missing dt data\n", oh->name); + else if (np && index) + pr_warn("omap_hwmod: %s using broken dt data from %s\n", + oh->name, np->name); r = _init_mpu_rt_base(oh, NULL, index, np); if (r < 0) { @@ -2360,7 +2469,7 @@ static int __init _init(struct omap_hwmod *oh, void *data) return 0; } - r = _init_clocks(oh, NULL); + r = _init_clocks(oh, np); if (r < 0) { WARN(1, "omap_hwmod: %s: couldn't init clocks\n", oh->name); return -EINVAL; @@ -3722,6 +3831,7 @@ void __init omap_hwmod_init(void) soc_ops.update_context_lost = _omap4_update_context_lost; soc_ops.get_context_lost = _omap4_get_context_lost; soc_ops.disable_direct_prcm = _omap4_disable_direct_prcm; + soc_ops.xlate_clkctrl = _omap4_xlate_clkctrl; } else if (cpu_is_ti814x() || cpu_is_ti816x() || soc_is_am33xx() || soc_is_am43xx()) { soc_ops.enable_module = _omap4_enable_module; @@ -3736,6 +3846,8 @@ void __init omap_hwmod_init(void) WARN(1, "omap_hwmod: unknown SoC type\n"); } + _init_clkctrl_providers(); + inited = true; } diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index 1c6ca4d5fa2d..c3276436b0ae 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -3204,8 +3204,7 @@ int __init omap3xxx_hwmod_init(void) * If DT information is missing, enable them only for GP devices. */ - if (of_have_populated_dt()) - bus = of_find_node_by_name(NULL, "ocp"); + bus = of_find_node_by_name(NULL, "ocp"); if (h_sham && omap3xxx_hwmod_is_hs_ip_block_usable(bus, "sham")) { r = omap_hwmod_register_links(h_sham); diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index 94f09c720f29..3e2d792fd9df 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -775,6 +775,7 @@ static struct omap_hwmod_dma_info omap44xx_dss_hdmi_sdma_reqs[] = { static struct omap_hwmod_opt_clk dss_hdmi_opt_clks[] = { { .role = "sys_clk", .clk = "dss_sys_clk" }, + { .role = "hdmi_clk", .clk = "dss_48mhz_clk" }, }; static struct omap_hwmod omap44xx_dss_hdmi_hwmod = { @@ -785,7 +786,7 @@ static struct omap_hwmod omap44xx_dss_hdmi_hwmod = { * HDMI audio requires to use no-idle mode. Hence, * set idle mode by software. */ - .flags = HWMOD_SWSUP_SIDLE, + .flags = HWMOD_SWSUP_SIDLE | HWMOD_OPT_CLKS_NEEDED, .mpu_irqs = omap44xx_dss_hdmi_irqs, .xlate_irq = omap4_xlate_irq, .sdma_reqs = omap44xx_dss_hdmi_sdma_reqs, @@ -858,11 +859,16 @@ static struct omap_hwmod_class omap44xx_venc_hwmod_class = { }; /* dss_venc */ +static struct omap_hwmod_opt_clk dss_venc_opt_clks[] = { + { .role = "tv_clk", .clk = "dss_tv_clk" }, +}; + static struct omap_hwmod omap44xx_dss_venc_hwmod = { .name = "dss_venc", .class = &omap44xx_venc_hwmod_class, .clkdm_name = "l3_dss_clkdm", .main_clk = "dss_tv_clk", + .flags = HWMOD_OPT_CLKS_NEEDED, .prcm = { .omap4 = { .clkctrl_offs = OMAP4_CM_DSS_DSS_CLKCTRL_OFFSET, @@ -870,6 +876,35 @@ static struct omap_hwmod omap44xx_dss_venc_hwmod = { }, }, .parent_hwmod = &omap44xx_dss_hwmod, + .opt_clks = dss_venc_opt_clks, + .opt_clks_cnt = ARRAY_SIZE(dss_venc_opt_clks), +}; + +/* sha0 HIB2 (the 'P' (public) device) */ +static struct omap_hwmod_class_sysconfig omap44xx_sha0_sysc = { + .rev_offs = 0x100, + .sysc_offs = 0x110, + .syss_offs = 0x114, + .sysc_flags = SYSS_HAS_RESET_STATUS, +}; + +static struct omap_hwmod_class omap44xx_sha0_hwmod_class = { + .name = "sham", + .sysc = &omap44xx_sha0_sysc, +}; + +struct omap_hwmod omap44xx_sha0_hwmod = { + .name = "sham", + .class = &omap44xx_sha0_hwmod_class, + .clkdm_name = "l4_secure_clkdm", + .main_clk = "l3_div_ck", + .prcm = { + .omap4 = { + .clkctrl_offs = OMAP4_CM_L4SEC_SHA2MD51_CLKCTRL_OFFSET, + .context_offs = OMAP4_RM_L4SEC_SHA2MD51_CONTEXT_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, }; /* @@ -953,6 +988,103 @@ static struct omap_hwmod omap44xx_emif2_hwmod = { }; /* + Crypto modules AES0/1 belong to: + PD_L4_PER power domain + CD_L4_SEC clock domain + On the L3, the AES modules are mapped to + L3_CLK2: Peripherals and multimedia sub clock domain +*/ +static struct omap_hwmod_class_sysconfig omap44xx_aes_sysc = { + .rev_offs = 0x80, + .sysc_offs = 0x84, + .syss_offs = 0x88, + .sysc_flags = SYSS_HAS_RESET_STATUS, +}; + +static struct omap_hwmod_class omap44xx_aes_hwmod_class = { + .name = "aes", + .sysc = &omap44xx_aes_sysc, +}; + +static struct omap_hwmod omap44xx_aes1_hwmod = { + .name = "aes1", + .class = &omap44xx_aes_hwmod_class, + .clkdm_name = "l4_secure_clkdm", + .main_clk = "l3_div_ck", + .prcm = { + .omap4 = { + .context_offs = OMAP4_RM_L4SEC_AES1_CONTEXT_OFFSET, + .clkctrl_offs = OMAP4_CM_L4SEC_AES1_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +static struct omap_hwmod_ocp_if omap44xx_l3_main_2__aes1 = { + .master = &omap44xx_l4_per_hwmod, + .slave = &omap44xx_aes1_hwmod, + .clk = "l3_div_ck", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +static struct omap_hwmod omap44xx_aes2_hwmod = { + .name = "aes2", + .class = &omap44xx_aes_hwmod_class, + .clkdm_name = "l4_secure_clkdm", + .main_clk = "l3_div_ck", + .prcm = { + .omap4 = { + .context_offs = OMAP4_RM_L4SEC_AES2_CONTEXT_OFFSET, + .clkctrl_offs = OMAP4_CM_L4SEC_AES2_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +static struct omap_hwmod_ocp_if omap44xx_l3_main_2__aes2 = { + .master = &omap44xx_l4_per_hwmod, + .slave = &omap44xx_aes2_hwmod, + .clk = "l3_div_ck", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* + * 'des' class for DES3DES module + */ +static struct omap_hwmod_class_sysconfig omap44xx_des_sysc = { + .rev_offs = 0x30, + .sysc_offs = 0x34, + .syss_offs = 0x38, + .sysc_flags = SYSS_HAS_RESET_STATUS, +}; + +static struct omap_hwmod_class omap44xx_des_hwmod_class = { + .name = "des", + .sysc = &omap44xx_des_sysc, +}; + +static struct omap_hwmod omap44xx_des_hwmod = { + .name = "des", + .class = &omap44xx_des_hwmod_class, + .clkdm_name = "l4_secure_clkdm", + .main_clk = "l3_div_ck", + .prcm = { + .omap4 = { + .context_offs = OMAP4_RM_L4SEC_DES3DES_CONTEXT_OFFSET, + .clkctrl_offs = OMAP4_CM_L4SEC_DES3DES_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +struct omap_hwmod_ocp_if omap44xx_l3_main_2__des = { + .master = &omap44xx_l3_main_2_hwmod, + .slave = &omap44xx_des_hwmod, + .clk = "l3_div_ck", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* * 'fdif' class * face detection hw accelerator module */ @@ -3882,6 +4014,14 @@ static struct omap_hwmod_ocp_if omap44xx_l4_per__dss_venc = { .user = OCP_USER_MPU, }; +/* l3_main_2 -> sham */ +static struct omap_hwmod_ocp_if omap44xx_l3_main_2__sha0 = { + .master = &omap44xx_l3_main_2_hwmod, + .slave = &omap44xx_sha0_hwmod, + .clk = "l3_div_ck", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + /* l4_per -> elm */ static struct omap_hwmod_ocp_if omap44xx_l4_per__elm = { .master = &omap44xx_l4_per_hwmod, @@ -4793,6 +4933,10 @@ static struct omap_hwmod_ocp_if *omap44xx_hwmod_ocp_ifs[] __initdata = { &omap44xx_l4_abe__wd_timer3_dma, &omap44xx_mpu__emif1, &omap44xx_mpu__emif2, + &omap44xx_l3_main_2__aes1, + &omap44xx_l3_main_2__aes2, + &omap44xx_l3_main_2__des, + &omap44xx_l3_main_2__sha0, NULL, }; diff --git a/arch/arm/mach-omap2/opp.c b/arch/arm/mach-omap2/opp.c deleted file mode 100644 index a358a07e18f2..000000000000 --- a/arch/arm/mach-omap2/opp.c +++ /dev/null @@ -1,104 +0,0 @@ -/* - * OMAP SoC specific OPP wrapper function - * - * Copyright (C) 2009-2010 Texas Instruments Incorporated - http://www.ti.com/ - * Nishanth Menon - * Kevin Hilman - * Copyright (C) 2010 Nokia Corporation. - * Eduardo Valentin - * - * 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. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ -#include <linux/module.h> -#include <linux/of.h> -#include <linux/pm_opp.h> -#include <linux/cpu.h> - -#include "omap_device.h" - -#include "omap_opp_data.h" - -/* Temp variable to allow multiple calls */ -static u8 __initdata omap_table_init; - -/** - * omap_init_opp_table() - Initialize opp table as per the CPU type - * @opp_def: opp default list for this silicon - * @opp_def_size: number of opp entries for this silicon - * - * Register the initial OPP table with the OPP library based on the CPU - * type. This is meant to be used only by SoC specific registration. - */ -int __init omap_init_opp_table(struct omap_opp_def *opp_def, - u32 opp_def_size) -{ - int i, r; - - if (of_have_populated_dt()) - return -EINVAL; - - if (!opp_def || !opp_def_size) { - pr_err("%s: invalid params!\n", __func__); - return -EINVAL; - } - - /* - * Initialize only if not already initialized even if the previous - * call failed, because, no reason we'd succeed again. - */ - if (omap_table_init) - return -EEXIST; - omap_table_init = 1; - - /* Lets now register with OPP library */ - for (i = 0; i < opp_def_size; i++, opp_def++) { - struct omap_hwmod *oh; - struct device *dev; - - if (!opp_def->hwmod_name) { - pr_err("%s: NULL name of omap_hwmod, failing [%d].\n", - __func__, i); - return -EINVAL; - } - - if (!strncmp(opp_def->hwmod_name, "mpu", 3)) { - /* - * All current OMAPs share voltage rail and - * clock source, so CPU0 is used to represent - * the MPU-SS. - */ - dev = get_cpu_device(0); - } else { - oh = omap_hwmod_lookup(opp_def->hwmod_name); - if (!oh || !oh->od) { - pr_debug("%s: no hwmod or odev for %s, [%d] cannot add OPPs.\n", - __func__, opp_def->hwmod_name, i); - continue; - } - dev = &oh->od->pdev->dev; - } - - r = dev_pm_opp_add(dev, opp_def->freq, opp_def->u_volt); - if (r) { - dev_err(dev, "%s: add OPP %ld failed for %s [%d] result=%d\n", - __func__, opp_def->freq, - opp_def->hwmod_name, i, r); - } else { - if (!opp_def->default_available) - r = dev_pm_opp_disable(dev, opp_def->freq); - if (r) - dev_err(dev, "%s: disable %ld failed for %s [%d] result=%d\n", - __func__, opp_def->freq, - opp_def->hwmod_name, i, r); - } - } - - return 0; -} diff --git a/arch/arm/mach-omap2/opp3xxx_data.c b/arch/arm/mach-omap2/opp3xxx_data.c index fc67add76444..c2d459f5b0da 100644 --- a/arch/arm/mach-omap2/opp3xxx_data.c +++ b/arch/arm/mach-omap2/opp3xxx_data.c @@ -83,89 +83,3 @@ struct omap_volt_data omap36xx_vddcore_volt_data[] = { VOLT_DATA_DEFINE(OMAP3630_VDD_CORE_OPP100_UV, OMAP3630_CONTROL_FUSE_OPP100_VDD2, 0xf9, 0x16), VOLT_DATA_DEFINE(0, 0, 0, 0), }; - -/* OPP data */ - -static struct omap_opp_def __initdata omap34xx_opp_def_list[] = { - /* MPU OPP1 */ - OPP_INITIALIZER("mpu", true, 125000000, OMAP3430_VDD_MPU_OPP1_UV), - /* MPU OPP2 */ - OPP_INITIALIZER("mpu", true, 250000000, OMAP3430_VDD_MPU_OPP2_UV), - /* MPU OPP3 */ - OPP_INITIALIZER("mpu", true, 500000000, OMAP3430_VDD_MPU_OPP3_UV), - /* MPU OPP4 */ - OPP_INITIALIZER("mpu", true, 550000000, OMAP3430_VDD_MPU_OPP4_UV), - /* MPU OPP5 */ - OPP_INITIALIZER("mpu", true, 600000000, OMAP3430_VDD_MPU_OPP5_UV), - - /* - * L3 OPP1 - 41.5 MHz is disabled because: The voltage for that OPP is - * almost the same than the one at 83MHz thus providing very little - * gain for the power point of view. In term of energy it will even - * increase the consumption due to the very negative performance - * impact that frequency will do to the MPU and the whole system in - * general. - */ - OPP_INITIALIZER("l3_main", false, 41500000, OMAP3430_VDD_CORE_OPP1_UV), - /* L3 OPP2 */ - OPP_INITIALIZER("l3_main", true, 83000000, OMAP3430_VDD_CORE_OPP2_UV), - /* L3 OPP3 */ - OPP_INITIALIZER("l3_main", true, 166000000, OMAP3430_VDD_CORE_OPP3_UV), - - /* DSP OPP1 */ - OPP_INITIALIZER("iva", true, 90000000, OMAP3430_VDD_MPU_OPP1_UV), - /* DSP OPP2 */ - OPP_INITIALIZER("iva", true, 180000000, OMAP3430_VDD_MPU_OPP2_UV), - /* DSP OPP3 */ - OPP_INITIALIZER("iva", true, 360000000, OMAP3430_VDD_MPU_OPP3_UV), - /* DSP OPP4 */ - OPP_INITIALIZER("iva", true, 400000000, OMAP3430_VDD_MPU_OPP4_UV), - /* DSP OPP5 */ - OPP_INITIALIZER("iva", true, 430000000, OMAP3430_VDD_MPU_OPP5_UV), -}; - -static struct omap_opp_def __initdata omap36xx_opp_def_list[] = { - /* MPU OPP1 - OPP50 */ - OPP_INITIALIZER("mpu", true, 300000000, OMAP3630_VDD_MPU_OPP50_UV), - /* MPU OPP2 - OPP100 */ - OPP_INITIALIZER("mpu", true, 600000000, OMAP3630_VDD_MPU_OPP100_UV), - /* MPU OPP3 - OPP-Turbo */ - OPP_INITIALIZER("mpu", false, 800000000, OMAP3630_VDD_MPU_OPP120_UV), - /* MPU OPP4 - OPP-SB */ - OPP_INITIALIZER("mpu", false, 1000000000, OMAP3630_VDD_MPU_OPP1G_UV), - - /* L3 OPP1 - OPP50 */ - OPP_INITIALIZER("l3_main", true, 100000000, OMAP3630_VDD_CORE_OPP50_UV), - /* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */ - OPP_INITIALIZER("l3_main", true, 200000000, OMAP3630_VDD_CORE_OPP100_UV), - - /* DSP OPP1 - OPP50 */ - OPP_INITIALIZER("iva", true, 260000000, OMAP3630_VDD_MPU_OPP50_UV), - /* DSP OPP2 - OPP100 */ - OPP_INITIALIZER("iva", true, 520000000, OMAP3630_VDD_MPU_OPP100_UV), - /* DSP OPP3 - OPP-Turbo */ - OPP_INITIALIZER("iva", false, 660000000, OMAP3630_VDD_MPU_OPP120_UV), - /* DSP OPP4 - OPP-SB */ - OPP_INITIALIZER("iva", false, 800000000, OMAP3630_VDD_MPU_OPP1G_UV), -}; - -/** - * omap3_opp_init() - initialize omap3 opp table - */ -int __init omap3_opp_init(void) -{ - int r = -ENODEV; - - if (!cpu_is_omap34xx()) - return r; - - if (cpu_is_omap3630()) - r = omap_init_opp_table(omap36xx_opp_def_list, - ARRAY_SIZE(omap36xx_opp_def_list)); - else - r = omap_init_opp_table(omap34xx_opp_def_list, - ARRAY_SIZE(omap34xx_opp_def_list)); - - return r; -} -omap_device_initcall(omap3_opp_init); diff --git a/arch/arm/mach-omap2/opp4xxx_data.c b/arch/arm/mach-omap2/opp4xxx_data.c index 1ef7a3e5ce4a..adea43ea1c60 100644 --- a/arch/arm/mach-omap2/opp4xxx_data.c +++ b/arch/arm/mach-omap2/opp4xxx_data.c @@ -63,29 +63,6 @@ struct omap_volt_data omap443x_vdd_core_volt_data[] = { VOLT_DATA_DEFINE(0, 0, 0, 0), }; - -static struct omap_opp_def __initdata omap443x_opp_def_list[] = { - /* MPU OPP1 - OPP50 */ - OPP_INITIALIZER("mpu", true, 300000000, OMAP4430_VDD_MPU_OPP50_UV), - /* MPU OPP2 - OPP100 */ - OPP_INITIALIZER("mpu", true, 600000000, OMAP4430_VDD_MPU_OPP100_UV), - /* MPU OPP3 - OPP-Turbo */ - OPP_INITIALIZER("mpu", true, 800000000, OMAP4430_VDD_MPU_OPPTURBO_UV), - /* MPU OPP4 - OPP-SB */ - OPP_INITIALIZER("mpu", true, 1008000000, OMAP4430_VDD_MPU_OPPNITRO_UV), - /* L3 OPP1 - OPP50 */ - OPP_INITIALIZER("l3_main_1", true, 100000000, OMAP4430_VDD_CORE_OPP50_UV), - /* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */ - OPP_INITIALIZER("l3_main_1", true, 200000000, OMAP4430_VDD_CORE_OPP100_UV), - /* IVA OPP1 - OPP50 */ - OPP_INITIALIZER("iva", true, 133000000, OMAP4430_VDD_IVA_OPP50_UV), - /* IVA OPP2 - OPP100 */ - OPP_INITIALIZER("iva", true, 266100000, OMAP4430_VDD_IVA_OPP100_UV), - /* IVA OPP3 - OPP-Turbo */ - OPP_INITIALIZER("iva", false, 332000000, OMAP4430_VDD_IVA_OPPTURBO_UV), - /* TODO: add DSP, aess, fdif, gpu */ -}; - #define OMAP4460_VDD_MPU_OPP50_UV 1025000 #define OMAP4460_VDD_MPU_OPP100_UV 1200000 #define OMAP4460_VDD_MPU_OPPTURBO_UV 1313000 @@ -122,59 +99,3 @@ struct omap_volt_data omap446x_vdd_core_volt_data[] = { VOLT_DATA_DEFINE(OMAP4460_VDD_CORE_OPP100_OV_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP100OV, 0xf9, 0x16), VOLT_DATA_DEFINE(0, 0, 0, 0), }; - -static struct omap_opp_def __initdata omap446x_opp_def_list[] = { - /* MPU OPP1 - OPP50 */ - OPP_INITIALIZER("mpu", true, 350000000, OMAP4460_VDD_MPU_OPP50_UV), - /* MPU OPP2 - OPP100 */ - OPP_INITIALIZER("mpu", true, 700000000, OMAP4460_VDD_MPU_OPP100_UV), - /* MPU OPP3 - OPP-Turbo */ - OPP_INITIALIZER("mpu", true, 920000000, OMAP4460_VDD_MPU_OPPTURBO_UV), - /* - * MPU OPP4 - OPP-Nitro + Disabled as the reference schematics - * recommends TPS623631 - confirm and enable the opp in board file - * XXX: May be we should enable these based on mpu capability and - * Exception board files disable it... - */ - OPP_INITIALIZER("mpu", false, 1200000000, OMAP4460_VDD_MPU_OPPNITRO_UV), - /* MPU OPP4 - OPP-Nitro SpeedBin */ - OPP_INITIALIZER("mpu", false, 1500000000, OMAP4460_VDD_MPU_OPPNITRO_UV), - /* L3 OPP1 - OPP50 */ - OPP_INITIALIZER("l3_main_1", true, 100000000, OMAP4460_VDD_CORE_OPP50_UV), - /* L3 OPP2 - OPP100 */ - OPP_INITIALIZER("l3_main_1", true, 200000000, OMAP4460_VDD_CORE_OPP100_UV), - /* IVA OPP1 - OPP50 */ - OPP_INITIALIZER("iva", true, 133000000, OMAP4460_VDD_IVA_OPP50_UV), - /* IVA OPP2 - OPP100 */ - OPP_INITIALIZER("iva", true, 266100000, OMAP4460_VDD_IVA_OPP100_UV), - /* - * IVA OPP3 - OPP-Turbo + Disabled as the reference schematics - * recommends Phoenix VCORE2 which can supply only 600mA - so the ones - * above this OPP frequency, even though OMAP is capable, should be - * enabled by board file which is sure of the chip power capability - */ - OPP_INITIALIZER("iva", false, 332000000, OMAP4460_VDD_IVA_OPPTURBO_UV), - /* IVA OPP4 - OPP-Nitro */ - OPP_INITIALIZER("iva", false, 430000000, OMAP4460_VDD_IVA_OPPNITRO_UV), - /* IVA OPP5 - OPP-Nitro SpeedBin*/ - OPP_INITIALIZER("iva", false, 500000000, OMAP4460_VDD_IVA_OPPNITRO_UV), - - /* TODO: add DSP, aess, fdif, gpu */ -}; - -/** - * omap4_opp_init() - initialize omap4 opp table - */ -int __init omap4_opp_init(void) -{ - int r = -ENODEV; - - if (cpu_is_omap443x()) - r = omap_init_opp_table(omap443x_opp_def_list, - ARRAY_SIZE(omap443x_opp_def_list)); - else if (cpu_is_omap446x()) - r = omap_init_opp_table(omap446x_opp_def_list, - ARRAY_SIZE(omap446x_opp_def_list)); - return r; -} -omap_device_initcall(omap4_opp_init); diff --git a/arch/arm/mach-omap2/pm.c b/arch/arm/mach-omap2/pm.c index 63027e60cc20..366158a54fcd 100644 --- a/arch/arm/mach-omap2/pm.c +++ b/arch/arm/mach-omap2/pm.c @@ -71,7 +71,7 @@ void omap_pm_get_oscillator(u32 *tstart, u32 *tshut) } #endif -int __init omap_pm_clkdms_setup(struct clockdomain *clkdm, void *unused) +int omap_pm_clkdms_setup(struct clockdomain *clkdm, void *unused) { clkdm_allow_idle(clkdm); return 0; diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index d44e0e2f1106..841ba19d64a6 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -486,7 +486,6 @@ int __init omap3_pm_init(void) ret = request_irq(omap_prcm_event_to_irq("io"), _prcm_int_handle_io, IRQF_SHARED | IRQF_NO_SUSPEND, "pm_io", omap3_pm_init); - enable_irq(omap_prcm_event_to_irq("io")); if (ret) { pr_err("pm: Failed to request pm_io irq\n"); diff --git a/arch/arm/mach-omap2/pmu.c b/arch/arm/mach-omap2/pmu.c deleted file mode 100644 index d2adfebd3b3f..000000000000 --- a/arch/arm/mach-omap2/pmu.c +++ /dev/null @@ -1,97 +0,0 @@ -/* - * OMAP2 ARM Performance Monitoring Unit (PMU) Support - * - * Copyright (C) 2012 Texas Instruments, Inc. - * - * Contacts: - * Jon Hunter <jon-hunter@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. - */ -#include <linux/of.h> - -#include <asm/system_info.h> - -#include "soc.h" -#include "omap_hwmod.h" -#include "omap_device.h" - -static char *omap2_pmu_oh_names[] = {"mpu"}; -static char *omap3_pmu_oh_names[] = {"mpu", "debugss"}; -static char *omap4430_pmu_oh_names[] = {"l3_main_3", "l3_instr", "debugss"}; -static struct platform_device *omap_pmu_dev; - -/** - * omap2_init_pmu - creates and registers PMU platform device - * @oh_num: Number of OMAP HWMODs required to create PMU device - * @oh_names: Array of OMAP HWMODS names required to create PMU device - * - * Uses OMAP HWMOD framework to create and register an ARM PMU device - * from a list of HWMOD names passed. Currently supports OMAP2, OMAP3 - * and OMAP4 devices. - */ -static int __init omap2_init_pmu(unsigned oh_num, char *oh_names[]) -{ - int i; - struct omap_hwmod *oh[3]; - char *dev_name = cpu_architecture() == CPU_ARCH_ARMv6 ? - "armv6-pmu" : "armv7-pmu"; - - if ((!oh_num) || (oh_num > 3)) - return -EINVAL; - - for (i = 0; i < oh_num; i++) { - oh[i] = omap_hwmod_lookup(oh_names[i]); - if (!oh[i]) { - pr_err("Could not look up %s hwmod\n", oh_names[i]); - return -ENODEV; - } - } - - omap_pmu_dev = omap_device_build_ss(dev_name, -1, oh, oh_num, NULL, 0); - WARN(IS_ERR(omap_pmu_dev), "Can't build omap_device for %s.\n", - dev_name); - - return PTR_ERR_OR_ZERO(omap_pmu_dev); -} - -static int __init omap_init_pmu(void) -{ - unsigned oh_num; - char **oh_names; - - /* XXX Remove this check when the CTI driver is available */ - if (cpu_is_omap443x()) { - pr_info("ARM PMU: not yet supported on OMAP4430 due to missing CTI driver\n"); - return 0; - } - - if (of_have_populated_dt()) - return 0; - - /* - * To create an ARM-PMU device the following HWMODs - * are required for the various OMAP2+ devices. - * - * OMAP24xx: mpu - * OMAP3xxx: mpu, debugss - * OMAP4430: l3_main_3, l3_instr, debugss - * OMAP4460/70: mpu, debugss - */ - if (cpu_is_omap443x()) { - oh_num = ARRAY_SIZE(omap4430_pmu_oh_names); - oh_names = omap4430_pmu_oh_names; - } else if (cpu_is_omap34xx() || cpu_is_omap44xx()) { - oh_num = ARRAY_SIZE(omap3_pmu_oh_names); - oh_names = omap3_pmu_oh_names; - } else { - oh_num = ARRAY_SIZE(omap2_pmu_oh_names); - oh_names = omap2_pmu_oh_names; - } - - return omap2_init_pmu(oh_num, oh_names); -} -omap_subsys_initcall(omap_init_pmu); diff --git a/arch/arm/mach-omap2/prcm-common.h b/arch/arm/mach-omap2/prcm-common.h index c8f590b7c32d..ee7041d523cf 100644 --- a/arch/arm/mach-omap2/prcm-common.h +++ b/arch/arm/mach-omap2/prcm-common.h @@ -526,10 +526,16 @@ struct omap_prcm_irq_setup { .priority = _priority \ } +struct omap_domain_base { + u32 pa; + void __iomem *va; +}; + /** * struct omap_prcm_init_data - PRCM driver init data * @index: clock memory mapping index to be used * @mem: IO mem pointer for this module + * @phys: IO mem physical base address for this module * @offset: module base address offset from the IO base * @flags: PRCM module init flags * @device_inst_offset: device instance offset within the module address space @@ -539,6 +545,7 @@ struct omap_prcm_irq_setup { struct omap_prcm_init_data { int index; void __iomem *mem; + u32 phys; s16 offset; u16 flags; s32 device_inst_offset; diff --git a/arch/arm/mach-omap2/prcm_mpu44xx.c b/arch/arm/mach-omap2/prcm_mpu44xx.c index cdbee6326d29..9c782f5c3f94 100644 --- a/arch/arm/mach-omap2/prcm_mpu44xx.c +++ b/arch/arm/mach-omap2/prcm_mpu44xx.c @@ -24,7 +24,7 @@ * prcm_mpu_base: the virtual address of the start of the PRCM_MPU IP * block registers */ -void __iomem *prcm_mpu_base; +struct omap_domain_base prcm_mpu_base; /* PRCM_MPU low-level functions */ @@ -58,5 +58,5 @@ u32 omap4_prcm_mpu_rmw_inst_reg_bits(u32 mask, u32 bits, s16 inst, s16 reg) */ void __init omap2_set_globals_prcm_mpu(void __iomem *prcm_mpu) { - prcm_mpu_base = prcm_mpu; + prcm_mpu_base.va = prcm_mpu; } diff --git a/arch/arm/mach-omap2/prcm_mpu_44xx_54xx.h b/arch/arm/mach-omap2/prcm_mpu_44xx_54xx.h index ca149e70bed0..f565f7f73175 100644 --- a/arch/arm/mach-omap2/prcm_mpu_44xx_54xx.h +++ b/arch/arm/mach-omap2/prcm_mpu_44xx_54xx.h @@ -24,7 +24,9 @@ #define __ARCH_ARM_MACH_OMAP2_PRCM_MPU_44XX_54XX_H #ifndef __ASSEMBLER__ -extern void __iomem *prcm_mpu_base; +#include "prcm-common.h" + +extern struct omap_domain_base prcm_mpu_base; extern u32 omap4_prcm_mpu_read_inst_reg(s16 inst, u16 idx); extern void omap4_prcm_mpu_write_inst_reg(u32 val, s16 inst, u16 idx); diff --git a/arch/arm/mach-omap2/prm.h b/arch/arm/mach-omap2/prm.h index 233bc84fbc0e..94dc3565add8 100644 --- a/arch/arm/mach-omap2/prm.h +++ b/arch/arm/mach-omap2/prm.h @@ -16,7 +16,7 @@ #include "prcm-common.h" # ifndef __ASSEMBLER__ -extern void __iomem *prm_base; +extern struct omap_domain_base prm_base; extern u16 prm_features; extern void omap2_set_globals_prm(void __iomem *prm); int omap_prcm_init(void); diff --git a/arch/arm/mach-omap2/prm2xxx_3xxx.h b/arch/arm/mach-omap2/prm2xxx_3xxx.h index f57e29b0e041..6775e10883fb 100644 --- a/arch/arm/mach-omap2/prm2xxx_3xxx.h +++ b/arch/arm/mach-omap2/prm2xxx_3xxx.h @@ -55,12 +55,12 @@ /* Power/reset management domain register get/set */ static inline u32 omap2_prm_read_mod_reg(s16 module, u16 idx) { - return readl_relaxed(prm_base + module + idx); + return readl_relaxed(prm_base.va + module + idx); } static inline void omap2_prm_write_mod_reg(u32 val, s16 module, u16 idx) { - writel_relaxed(val, prm_base + module + idx); + writel_relaxed(val, prm_base.va + module + idx); } /* Read-modify-write a register in a PRM module. Caller must lock */ diff --git a/arch/arm/mach-omap2/prm33xx.c b/arch/arm/mach-omap2/prm33xx.c index dcb5001d77da..d2c5bcabdbeb 100644 --- a/arch/arm/mach-omap2/prm33xx.c +++ b/arch/arm/mach-omap2/prm33xx.c @@ -30,13 +30,13 @@ /* Read a register in a PRM instance */ static u32 am33xx_prm_read_reg(s16 inst, u16 idx) { - return readl_relaxed(prm_base + inst + idx); + return readl_relaxed(prm_base.va + inst + idx); } /* Write into a register in a PRM instance */ static void am33xx_prm_write_reg(u32 val, s16 inst, u16 idx) { - writel_relaxed(val, prm_base + inst + idx); + writel_relaxed(val, prm_base.va + inst + idx); } /* Read-modify-write a register in PRM. Caller must lock */ diff --git a/arch/arm/mach-omap2/prm3xxx.c b/arch/arm/mach-omap2/prm3xxx.c index 718981bb80cd..64f6451499a7 100644 --- a/arch/arm/mach-omap2/prm3xxx.c +++ b/arch/arm/mach-omap2/prm3xxx.c @@ -676,7 +676,7 @@ static struct prm_ll_data omap3xxx_prm_ll_data = { int __init omap3xxx_prm_init(const struct omap_prcm_init_data *data) { omap2_clk_legacy_provider_init(TI_CLKM_PRM, - prm_base + OMAP3430_IVA2_MOD); + prm_base.va + OMAP3430_IVA2_MOD); if (omap3_has_io_wakeup()) prm_features |= PRM_HAS_IO_WAKEUP; @@ -690,7 +690,8 @@ static const struct of_device_id omap3_prm_dt_match_table[] = { static int omap3xxx_prm_late_init(void) { - int ret; + struct device_node *np; + int irq_num; if (!(prm_features & PRM_HAS_IO_WAKEUP)) return 0; @@ -702,25 +703,16 @@ static int omap3xxx_prm_late_init(void) omap3_prcm_irq_setup.reconfigure_io_chain = omap3430_pre_es3_1_reconfigure_io_chain; - if (of_have_populated_dt()) { - struct device_node *np; - int irq_num; - - np = of_find_matching_node(NULL, omap3_prm_dt_match_table); - if (np) { - irq_num = of_irq_get(np, 0); - if (irq_num >= 0) - omap3_prcm_irq_setup.irq = irq_num; - } + np = of_find_matching_node(NULL, omap3_prm_dt_match_table); + if (np) { + irq_num = of_irq_get(np, 0); + if (irq_num >= 0) + omap3_prcm_irq_setup.irq = irq_num; } omap3xxx_prm_enable_io_wakeup(); - ret = omap_prcm_register_chain_handler(&omap3_prcm_irq_setup); - if (!ret) - irq_set_status_flags(omap_prcm_event_to_irq("io"), - IRQ_NOAUTOEN); - return ret; + return omap_prcm_register_chain_handler(&omap3_prcm_irq_setup); } static void __exit omap3xxx_prm_exit(void) diff --git a/arch/arm/mach-omap2/prm44xx.c b/arch/arm/mach-omap2/prm44xx.c index 30768003f854..3ab5df1ce900 100644 --- a/arch/arm/mach-omap2/prm44xx.c +++ b/arch/arm/mach-omap2/prm44xx.c @@ -91,13 +91,13 @@ static struct prm_reset_src_map omap44xx_prm_reset_src_map[] = { /* Read a register in a CM/PRM instance in the PRM module */ static u32 omap4_prm_read_inst_reg(s16 inst, u16 reg) { - return readl_relaxed(prm_base + inst + reg); + return readl_relaxed(prm_base.va + inst + reg); } /* Write into a register in a CM/PRM instance in the PRM module */ static void omap4_prm_write_inst_reg(u32 val, s16 inst, u16 reg) { - writel_relaxed(val, prm_base + inst + reg); + writel_relaxed(val, prm_base.va + inst + reg); } /* Read-modify-write a register in a PRM module. Caller must lock */ @@ -742,10 +742,6 @@ static int omap44xx_prm_late_init(void) if (!(prm_features & PRM_HAS_IO_WAKEUP)) return 0; - /* OMAP4+ is DT only now */ - if (!of_have_populated_dt()) - return 0; - irq_num = of_irq_get(prm_init_data->np, 0); /* * Already have OMAP4 IRQ num. For all other platforms, we need diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c index dc11841ca334..09180a59b1c9 100644 --- a/arch/arm/mach-omap2/prm_common.c +++ b/arch/arm/mach-omap2/prm_common.c @@ -66,7 +66,7 @@ static struct irq_chip_generic **prcm_irq_chips; static struct omap_prcm_irq_setup *prcm_irq_setup; /* prm_base: base virtual address of the PRM IP block */ -void __iomem *prm_base; +struct omap_domain_base prm_base; u16 prm_features; @@ -267,10 +267,9 @@ int omap_prcm_register_chain_handler(struct omap_prcm_irq_setup *irq_setup) { int nr_regs; u32 mask[OMAP_PRCM_MAX_NR_PENDING_REG]; - int offset, i; + int offset, i, irq; struct irq_chip_generic *gc; struct irq_chip_type *ct; - unsigned int irq; if (!irq_setup) return -EINVAL; @@ -325,7 +324,7 @@ int omap_prcm_register_chain_handler(struct omap_prcm_irq_setup *irq_setup) for (i = 0; i < irq_setup->nr_regs; i++) { gc = irq_alloc_generic_chip("PRCM", 1, - irq_setup->base_irq + i * 32, prm_base, + irq_setup->base_irq + i * 32, prm_base.va, handle_level_irq); if (!gc) { @@ -344,10 +343,8 @@ int omap_prcm_register_chain_handler(struct omap_prcm_irq_setup *irq_setup) prcm_irq_chips[i] = gc; } - if (of_have_populated_dt()) { - int irq = omap_prcm_event_to_irq("io"); - omap_pcs_legacy_init(irq, irq_setup->reconfigure_io_chain); - } + irq = omap_prcm_event_to_irq("io"); + omap_pcs_legacy_init(irq, irq_setup->reconfigure_io_chain); return 0; @@ -364,7 +361,7 @@ err: */ void __init omap2_set_globals_prm(void __iomem *prm) { - prm_base = prm; + prm_base.va = prm; } /** @@ -755,19 +752,22 @@ int __init omap2_prm_base_init(void) struct device_node *np; const struct of_device_id *match; struct omap_prcm_init_data *data; - void __iomem *mem; + struct resource res; + int ret; for_each_matching_node_and_match(np, omap_prcm_dt_match_table, &match) { data = (struct omap_prcm_init_data *)match->data; - mem = of_iomap(np, 0); - if (!mem) - return -ENOMEM; + ret = of_address_to_resource(np, 0, &res); + if (ret) + return ret; - if (data->index == TI_CLKM_PRM) - prm_base = mem + data->offset; + data->mem = ioremap(res.start, resource_size(&res)); - data->mem = mem; + if (data->index == TI_CLKM_PRM) { + prm_base.va = data->mem + data->offset; + prm_base.pa = res.start + data->offset; + } data->np = np; diff --git a/arch/arm/mach-omap2/prminst44xx.c b/arch/arm/mach-omap2/prminst44xx.c index d0b15dbafa2e..48b8127b4e99 100644 --- a/arch/arm/mach-omap2/prminst44xx.c +++ b/arch/arm/mach-omap2/prminst44xx.c @@ -29,7 +29,7 @@ #include "prcm_mpu44xx.h" #include "soc.h" -static void __iomem *_prm_bases[OMAP4_MAX_PRCM_PARTITIONS]; +static struct omap_domain_base _prm_bases[OMAP4_MAX_PRCM_PARTITIONS]; static s32 prm_dev_inst = PRM_INSTANCE_UNKNOWN; @@ -41,8 +41,10 @@ static s32 prm_dev_inst = PRM_INSTANCE_UNKNOWN; */ void omap_prm_base_init(void) { - _prm_bases[OMAP4430_PRM_PARTITION] = prm_base; - _prm_bases[OMAP4430_PRCM_MPU_PARTITION] = prcm_mpu_base; + memcpy(&_prm_bases[OMAP4430_PRM_PARTITION], &prm_base, + sizeof(prm_base)); + memcpy(&_prm_bases[OMAP4430_PRCM_MPU_PARTITION], &prcm_mpu_base, + sizeof(prcm_mpu_base)); } s32 omap4_prmst_get_prm_dev_inst(void) @@ -60,8 +62,8 @@ u32 omap4_prminst_read_inst_reg(u8 part, s16 inst, u16 idx) { BUG_ON(part >= OMAP4_MAX_PRCM_PARTITIONS || part == OMAP4430_INVALID_PRCM_PARTITION || - !_prm_bases[part]); - return readl_relaxed(_prm_bases[part] + inst + idx); + !_prm_bases[part].va); + return readl_relaxed(_prm_bases[part].va + inst + idx); } /* Write into a register in a PRM instance */ @@ -69,8 +71,8 @@ void omap4_prminst_write_inst_reg(u32 val, u8 part, s16 inst, u16 idx) { BUG_ON(part >= OMAP4_MAX_PRCM_PARTITIONS || part == OMAP4430_INVALID_PRCM_PARTITION || - !_prm_bases[part]); - writel_relaxed(val, _prm_bases[part] + inst + idx); + !_prm_bases[part].va); + writel_relaxed(val, _prm_bases[part].va + inst + idx); } /* Read-modify-write a register in PRM. Caller must lock */ diff --git a/arch/arm/mach-omap2/sr_device.c b/arch/arm/mach-omap2/sr_device.c index d7cff2632d1e..eef6935e0403 100644 --- a/arch/arm/mach-omap2/sr_device.c +++ b/arch/arm/mach-omap2/sr_device.c @@ -44,13 +44,9 @@ static void __init sr_set_nvalues(struct omap_volt_data *volt_data, while (volt_data[count].volt_nominal) count++; - nvalue_table = kzalloc(sizeof(struct omap_sr_nvalue_table)*count, - GFP_KERNEL); - - if (!nvalue_table) { - pr_err("OMAP: SmartReflex: cannot allocate memory for n-value table\n"); + nvalue_table = kcalloc(count, sizeof(*nvalue_table), GFP_KERNEL); + if (!nvalue_table) return; - } for (i = 0, j = 0; i < count; i++) { u32 v; @@ -102,12 +98,9 @@ static int __init sr_dev_init(struct omap_hwmod *oh, void *user) char *name = "smartreflex"; static int i; - sr_data = kzalloc(sizeof(struct omap_sr_data), GFP_KERNEL); - if (!sr_data) { - pr_err("%s: Unable to allocate memory for %s sr_data\n", - __func__, oh->name); + sr_data = kzalloc(sizeof(*sr_data), GFP_KERNEL); + if (!sr_data) return -ENOMEM; - } sr_dev_attr = (struct omap_smartreflex_dev_attr *)oh->dev_attr; if (!sr_dev_attr || !sr_dev_attr->sensor_voltdm_name) { diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index 07dd692c4737..ece09c9461f7 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -68,6 +68,9 @@ static struct omap_dm_timer clkev; static struct clock_event_device clockevent_gpt; +/* Clockevent hwmod for am335x and am437x suspend */ +static struct omap_hwmod *clockevent_gpt_hwmod; + #ifdef CONFIG_SOC_HAS_REALTIME_COUNTER static unsigned long arch_timer_freq; @@ -125,6 +128,23 @@ static int omap2_gp_timer_set_periodic(struct clock_event_device *evt) return 0; } +static void omap_clkevt_idle(struct clock_event_device *unused) +{ + if (!clockevent_gpt_hwmod) + return; + + omap_hwmod_idle(clockevent_gpt_hwmod); +} + +static void omap_clkevt_unidle(struct clock_event_device *unused) +{ + if (!clockevent_gpt_hwmod) + return; + + omap_hwmod_enable(clockevent_gpt_hwmod); + __omap_dm_timer_int_enable(&clkev, OMAP_TIMER_INT_OVERFLOW); +} + static struct clock_event_device clockevent_gpt = { .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, @@ -232,37 +252,29 @@ static int __init omap_dm_timer_init_one(struct omap_dm_timer *timer, const char **timer_name, int posted) { - char name[10]; /* 10 = sizeof("gptXX_Xck0") */ const char *oh_name = NULL; struct device_node *np; struct omap_hwmod *oh; - struct resource irq, mem; struct clk *src; int r = 0; - if (of_have_populated_dt()) { - np = omap_get_timer_dt(omap_timer_match, property); - if (!np) - return -ENODEV; + np = omap_get_timer_dt(omap_timer_match, property); + if (!np) + return -ENODEV; - of_property_read_string_index(np, "ti,hwmods", 0, &oh_name); - if (!oh_name) - return -ENODEV; + of_property_read_string_index(np, "ti,hwmods", 0, &oh_name); + if (!oh_name) + return -ENODEV; - timer->irq = irq_of_parse_and_map(np, 0); - if (!timer->irq) - return -ENXIO; + timer->irq = irq_of_parse_and_map(np, 0); + if (!timer->irq) + return -ENXIO; - timer->io_base = of_iomap(np, 0); + timer->io_base = of_iomap(np, 0); - of_node_put(np); - } else { - if (omap_dm_timer_reserve_systimer(timer->id)) - return -ENODEV; + timer->fclk = of_clk_get_by_name(np, "fck"); - sprintf(name, "timer%d", timer->id); - oh_name = name; - } + of_node_put(np); oh = omap_hwmod_lookup(oh_name); if (!oh) @@ -270,29 +282,14 @@ static int __init omap_dm_timer_init_one(struct omap_dm_timer *timer, *timer_name = oh->name; - if (!of_have_populated_dt()) { - r = omap_hwmod_get_resource_byname(oh, IORESOURCE_IRQ, NULL, - &irq); - if (r) - return -ENXIO; - timer->irq = irq.start; - - r = omap_hwmod_get_resource_byname(oh, IORESOURCE_MEM, NULL, - &mem); - if (r) - return -ENXIO; - - /* Static mapping, never released */ - timer->io_base = ioremap(mem.start, mem.end - mem.start); - } - if (!timer->io_base) return -ENXIO; omap_hwmod_setup_one(oh_name); /* After the dmtimer is using hwmod these clocks won't be needed */ - timer->fclk = clk_get(NULL, omap_hwmod_get_main_clk(oh)); + if (IS_ERR_OR_NULL(timer->fclk)) + timer->fclk = clk_get(NULL, omap_hwmod_get_main_clk(oh)); if (IS_ERR(timer->fclk)) return PTR_ERR(timer->fclk); @@ -358,6 +355,14 @@ static void __init omap2_gp_clockevent_init(int gptimer_id, 3, /* Timer internal resynch latency */ 0xffffffff); + if (soc_is_am33xx() || soc_is_am43xx()) { + clockevent_gpt.suspend = omap_clkevt_idle; + clockevent_gpt.resume = omap_clkevt_unidle; + + clockevent_gpt_hwmod = + omap_hwmod_lookup(clockevent_gpt.name); + } + pr_info("OMAP clockevent source: %s at %lu Hz\n", clockevent_gpt.name, clkev.rate); } @@ -405,18 +410,15 @@ static int __init __maybe_unused omap2_sync32k_clocksource_init(void) const char *oh_name = "counter_32k"; /* - * If device-tree is present, then search the DT blob - * to see if the 32kHz counter is supported. + * See if the 32kHz counter is supported. */ - if (of_have_populated_dt()) { - np = omap_get_timer_dt(omap_counter_match, NULL); - if (!np) - return -ENODEV; - - of_property_read_string_index(np, "ti,hwmods", 0, &oh_name); - if (!oh_name) - return -ENODEV; - } + np = omap_get_timer_dt(omap_counter_match, NULL); + if (!np) + return -ENODEV; + + of_property_read_string_index(np, "ti,hwmods", 0, &oh_name); + if (!oh_name) + return -ENODEV; /* * First check hwmod data is available for sync32k counter @@ -434,18 +436,6 @@ static int __init __maybe_unused omap2_sync32k_clocksource_init(void) return ret; } - if (!of_have_populated_dt()) { - void __iomem *vbase; - - vbase = omap_hwmod_get_mpu_rt_va(oh); - - ret = omap_init_clocksource_32k(vbase); - if (ret) { - pr_warn("%s: failed to initialize counter_32k as a clocksource (%d)\n", - __func__, ret); - omap_hwmod_idle(oh); - } - } return ret; } @@ -497,7 +487,7 @@ void __init omap_init_time(void) __omap_sync32k_timer_init(1, "timer_32k_ck", "ti,timer-alwon", 2, "timer_sys_ck", NULL, false); - clocksource_probe(); + timer_probe(); } #if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_SOC_AM43XX) @@ -506,7 +496,7 @@ void __init omap3_secure_sync32k_timer_init(void) __omap_sync32k_timer_init(12, "secure_32k_fck", "ti,timer-secure", 2, "timer_sys_ck", NULL, false); - clocksource_probe(); + timer_probe(); } #endif /* CONFIG_ARCH_OMAP3 */ @@ -517,7 +507,7 @@ void __init omap3_gptimer_timer_init(void) __omap_sync32k_timer_init(2, "timer_sys_ck", NULL, 1, "timer_sys_ck", "ti,timer-alwon", true); if (of_have_populated_dt()) - clocksource_probe(); + timer_probe(); } #endif @@ -532,7 +522,7 @@ static void __init omap4_sync32k_timer_init(void) void __init omap4_local_timer_init(void) { omap4_sync32k_timer_init(); - clocksource_probe(); + timer_probe(); } #endif @@ -656,101 +646,11 @@ void __init omap5_realtime_timer_init(void) omap4_sync32k_timer_init(); realtime_counter_init(); - clocksource_probe(); + timer_probe(); } #endif /* CONFIG_SOC_OMAP5 || CONFIG_SOC_DRA7XX */ /** - * omap_timer_init - build and register timer device with an - * associated timer hwmod - * @oh: timer hwmod pointer to be used to build timer device - * @user: parameter that can be passed from calling hwmod API - * - * Called by omap_hwmod_for_each_by_class to register each of the timer - * devices present in the system. The number of timer devices is known - * by parsing through the hwmod database for a given class name. At the - * end of function call memory is allocated for timer device and it is - * registered to the framework ready to be proved by the driver. - */ -static int __init omap_timer_init(struct omap_hwmod *oh, void *unused) -{ - int id; - int ret = 0; - char *name = "omap_timer"; - struct dmtimer_platform_data *pdata; - struct platform_device *pdev; - struct omap_timer_capability_dev_attr *timer_dev_attr; - - pr_debug("%s: %s\n", __func__, oh->name); - - /* on secure device, do not register secure timer */ - timer_dev_attr = oh->dev_attr; - if (omap_type() != OMAP2_DEVICE_TYPE_GP && timer_dev_attr) - if (timer_dev_attr->timer_capability == OMAP_TIMER_SECURE) - return ret; - - pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); - if (!pdata) { - pr_err("%s: No memory for [%s]\n", __func__, oh->name); - return -ENOMEM; - } - - /* - * Extract the IDs from name field in hwmod database - * and use the same for constructing ids' for the - * timer devices. In a way, we are avoiding usage of - * static variable witin the function to do the same. - * CAUTION: We have to be careful and make sure the - * name in hwmod database does not change in which case - * we might either make corresponding change here or - * switch back static variable mechanism. - */ - sscanf(oh->name, "timer%2d", &id); - - if (timer_dev_attr) - pdata->timer_capability = timer_dev_attr->timer_capability; - - pdata->timer_errata = omap_dm_timer_get_errata(); - pdata->get_context_loss_count = omap_pm_get_dev_context_loss_count; - - pdev = omap_device_build(name, id, oh, pdata, sizeof(*pdata)); - - if (IS_ERR(pdev)) { - pr_err("%s: Can't build omap_device for %s: %s.\n", - __func__, name, oh->name); - ret = -EINVAL; - } - - kfree(pdata); - - return ret; -} - -/** - * omap2_dm_timer_init - top level regular device initialization - * - * Uses dedicated hwmod api to parse through hwmod database for - * given class name and then build and register the timer device. - */ -static int __init omap2_dm_timer_init(void) -{ - int ret; - - /* If dtb is there, the devices will be created dynamically */ - if (of_have_populated_dt()) - return -ENODEV; - - ret = omap_hwmod_for_each_by_class("timer", omap_timer_init, NULL); - if (unlikely(ret)) { - pr_err("%s: device registration failed.\n", __func__); - return -EINVAL; - } - - return 0; -} -omap_arch_initcall(omap2_dm_timer_init); - -/** * omap2_override_clocksource - clocksource override with user configuration * * Allows user to override default clocksource, using kernel parameter diff --git a/arch/arm/mach-omap2/wd_timer.c b/arch/arm/mach-omap2/wd_timer.c index ff0a68cf7439..0084b6c77cf1 100644 --- a/arch/arm/mach-omap2/wd_timer.c +++ b/arch/arm/mach-omap2/wd_timer.c @@ -102,31 +102,3 @@ int omap2_wd_timer_reset(struct omap_hwmod *oh) return (c == MAX_MODULE_SOFTRESET_WAIT) ? -ETIMEDOUT : omap2_wd_timer_disable(oh); } - -static int __init omap_init_wdt(void) -{ - int id = -1; - struct platform_device *pdev; - struct omap_hwmod *oh; - char *oh_name = "wd_timer2"; - char *dev_name = "omap_wdt"; - struct omap_wd_timer_platform_data pdata; - - if (!cpu_class_is_omap2() || of_have_populated_dt()) - return 0; - - oh = omap_hwmod_lookup(oh_name); - if (!oh) { - pr_err("Could not look up wd_timer%d hwmod\n", id); - return -EINVAL; - } - - pdata.read_reset_sources = prm_read_reset_sources; - - pdev = omap_device_build(dev_name, id, oh, &pdata, - sizeof(struct omap_wd_timer_platform_data)); - WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s.\n", - dev_name, oh->name); - return 0; -} -omap_subsys_initcall(omap_init_wdt); |