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-rw-r--r--arch/arm/mach-omap2/board-am3517crane.c1
-rw-r--r--arch/arm/mach-omap2/board-cm-t35.c3
-rw-r--r--arch/arm/mach-omap2/board-cm-t3517.c3
-rw-r--r--arch/arm/mach-omap2/board-flash.c3
-rw-r--r--arch/arm/mach-omap2/board-flash.h1
-rw-r--r--arch/arm/mach-omap2/board-n8x0.c2
-rw-r--r--arch/arm/mach-omap2/board-omap3pandora.c2
-rw-r--r--arch/arm/mach-omap2/board-rx51-peripherals.c3
-rw-r--r--arch/arm/mach-omap2/gpmc-nand.c3
-rw-r--r--arch/arm/mach-omap2/gpmc-nand.h27
-rw-r--r--arch/arm/mach-omap2/gpmc-onenand.c3
-rw-r--r--arch/arm/mach-omap2/gpmc-onenand.h24
-rw-r--r--arch/arm/mach-omap2/gpmc.c63
-rw-r--r--arch/arm/mach-omap2/gpmc.h227
-rw-r--r--arch/arm/mach-omap2/pm34xx.c2
-rw-r--r--include/linux/omap-gpmc.h199
16 files changed, 271 insertions, 295 deletions
diff --git a/arch/arm/mach-omap2/board-am3517crane.c b/arch/arm/mach-omap2/board-am3517crane.c
index 212c3160de18..8168ddabaeda 100644
--- a/arch/arm/mach-omap2/board-am3517crane.c
+++ b/arch/arm/mach-omap2/board-am3517crane.c
@@ -24,6 +24,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
+#include <linux/omap-gpmc.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c
index c6df8eec4553..91738a14ecbe 100644
--- a/arch/arm/mach-omap2/board-cm-t35.c
+++ b/arch/arm/mach-omap2/board-cm-t35.c
@@ -25,6 +25,7 @@
#include <linux/input/matrix_keypad.h>
#include <linux/delay.h>
#include <linux/gpio.h>
+#include <linux/omap-gpmc.h>
#include <linux/platform_data/gpio-omap.h>
#include <linux/platform_data/at24.h>
@@ -51,8 +52,6 @@
#include "sdram-micron-mt46h32m32lf-6.h"
#include "hsmmc.h"
#include "common-board-devices.h"
-#include "gpmc.h"
-#include "gpmc-nand.h"
#define CM_T35_GPIO_PENDOWN 57
#define SB_T35_USB_HUB_RESET_GPIO 167
diff --git a/arch/arm/mach-omap2/board-cm-t3517.c b/arch/arm/mach-omap2/board-cm-t3517.c
index 8a2c1677964c..794756df8529 100644
--- a/arch/arm/mach-omap2/board-cm-t3517.c
+++ b/arch/arm/mach-omap2/board-cm-t3517.c
@@ -28,6 +28,7 @@
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/leds.h>
+#include <linux/omap-gpmc.h>
#include <linux/rtc-v3020.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
@@ -41,7 +42,6 @@
#include "common.h"
#include <linux/platform_data/mtd-nand-omap2.h>
-#include "gpmc.h"
#include "am35xx.h"
@@ -50,7 +50,6 @@
#include "hsmmc.h"
#include "common-board-devices.h"
#include "am35xx-emac.h"
-#include "gpmc-nand.h"
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
static struct gpio_led cm_t3517_leds[] = {
diff --git a/arch/arm/mach-omap2/board-flash.c b/arch/arm/mach-omap2/board-flash.c
index 2d245c2e641c..70b21cc279ba 100644
--- a/arch/arm/mach-omap2/board-flash.c
+++ b/arch/arm/mach-omap2/board-flash.c
@@ -13,6 +13,7 @@
*/
#include <linux/kernel.h>
+#include <linux/omap-gpmc.h>
#include <linux/platform_device.h>
#include <linux/mtd/physmap.h>
#include <linux/io.h>
@@ -23,8 +24,6 @@
#include "soc.h"
#include "common.h"
#include "board-flash.h"
-#include "gpmc-onenand.h"
-#include "gpmc-nand.h"
#define REG_FPGA_REV 0x10
#define REG_FPGA_DIP_SWITCH_INPUT2 0x60
diff --git a/arch/arm/mach-omap2/board-flash.h b/arch/arm/mach-omap2/board-flash.h
index 2fb5d41a9fae..ea9aaebe11e7 100644
--- a/arch/arm/mach-omap2/board-flash.h
+++ b/arch/arm/mach-omap2/board-flash.h
@@ -12,7 +12,6 @@
*/
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
-#include "gpmc.h"
#define PDC_NOR 1
#define PDC_NAND 2
diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
index 97767a27ca9d..49c3c25808e7 100644
--- a/arch/arm/mach-omap2/board-n8x0.c
+++ b/arch/arm/mach-omap2/board-n8x0.c
@@ -22,7 +22,6 @@
#include <linux/spi/spi.h>
#include <linux/usb/musb.h>
#include <linux/platform_data/spi-omap2-mcspi.h>
-#include <linux/platform_data/mtd-onenand-omap2.h>
#include <linux/mfd/menelaus.h>
#include <sound/tlv320aic3x.h>
@@ -32,7 +31,6 @@
#include "common.h"
#include "mmc.h"
#include "soc.h"
-#include "gpmc-onenand.h"
#include "common-board-devices.h"
#define TUSB6010_ASYNC_CS 1
diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
index f32201656cf3..7f1708738c30 100644
--- a/arch/arm/mach-omap2/board-omap3pandora.c
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -24,6 +24,7 @@
#include <linux/spi/spi.h>
#include <linux/regulator/machine.h>
#include <linux/i2c/twl.h>
+#include <linux/omap-gpmc.h>
#include <linux/wl12xx.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/nand.h>
@@ -51,7 +52,6 @@
#include "sdram-micron-mt46h32m32lf-6.h"
#include "hsmmc.h"
#include "common-board-devices.h"
-#include "gpmc-nand.h"
#define PANDORA_WIFI_IRQ_GPIO 21
#define PANDORA_WIFI_NRESET_GPIO 23
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index 30e7d4ce7b8d..e2ad48b5d9c0 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -23,6 +23,7 @@
#include <linux/regulator/machine.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
+#include <linux/omap-gpmc.h>
#include <linux/mmc/host.h>
#include <linux/power/isp1704_charger.h>
#include <linux/platform_data/spi-omap2-mcspi.h>
@@ -54,8 +55,6 @@
#include "omap-pm.h"
#include "hsmmc.h"
#include "common-board-devices.h"
-#include "gpmc.h"
-#include "gpmc-onenand.h"
#include "soc.h"
#include "omap-secure.h"
diff --git a/arch/arm/mach-omap2/gpmc-nand.c b/arch/arm/mach-omap2/gpmc-nand.c
index cb7764314f17..d5951b17b736 100644
--- a/arch/arm/mach-omap2/gpmc-nand.c
+++ b/arch/arm/mach-omap2/gpmc-nand.c
@@ -12,14 +12,13 @@
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/io.h>
+#include <linux/omap-gpmc.h>
#include <linux/mtd/nand.h>
#include <linux/platform_data/mtd-nand-omap2.h>
#include <asm/mach/flash.h>
-#include "gpmc.h"
#include "soc.h"
-#include "gpmc-nand.h"
/* minimum size for IO mapping */
#define NAND_IO_SIZE 4
diff --git a/arch/arm/mach-omap2/gpmc-nand.h b/arch/arm/mach-omap2/gpmc-nand.h
deleted file mode 100644
index d59e1281e851..000000000000
--- a/arch/arm/mach-omap2/gpmc-nand.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * arch/arm/mach-omap2/gpmc-nand.h
- *
- * 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.
- */
-
-#ifndef __OMAP2_GPMC_NAND_H
-#define __OMAP2_GPMC_NAND_H
-
-#include "gpmc.h"
-#include <linux/platform_data/mtd-nand-omap2.h>
-
-#if IS_ENABLED(CONFIG_MTD_NAND_OMAP2)
-extern int gpmc_nand_init(struct omap_nand_platform_data *d,
- struct gpmc_timings *gpmc_t);
-#else
-static inline int gpmc_nand_init(struct omap_nand_platform_data *d,
- struct gpmc_timings *gpmc_t)
-{
- return 0;
-}
-#endif
-
-#endif
diff --git a/arch/arm/mach-omap2/gpmc-onenand.c b/arch/arm/mach-omap2/gpmc-onenand.c
index 8b6876c98ce1..53d197e0c1f3 100644
--- a/arch/arm/mach-omap2/gpmc-onenand.c
+++ b/arch/arm/mach-omap2/gpmc-onenand.c
@@ -15,14 +15,13 @@
#include <linux/platform_device.h>
#include <linux/mtd/onenand_regs.h>
#include <linux/io.h>
+#include <linux/omap-gpmc.h>
#include <linux/platform_data/mtd-onenand-omap2.h>
#include <linux/err.h>
#include <asm/mach/flash.h>
-#include "gpmc.h"
#include "soc.h"
-#include "gpmc-onenand.h"
#define ONENAND_IO_SIZE SZ_128K
diff --git a/arch/arm/mach-omap2/gpmc-onenand.h b/arch/arm/mach-omap2/gpmc-onenand.h
deleted file mode 100644
index 216f23a8b45c..000000000000
--- a/arch/arm/mach-omap2/gpmc-onenand.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * arch/arm/mach-omap2/gpmc-onenand.h
- *
- * 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.
- */
-
-#ifndef __OMAP2_GPMC_ONENAND_H
-#define __OMAP2_GPMC_ONENAND_H
-
-#include <linux/platform_data/mtd-onenand-omap2.h>
-
-#if IS_ENABLED(CONFIG_MTD_ONENAND_OMAP2)
-extern void gpmc_onenand_init(struct omap_onenand_platform_data *d);
-#else
-#define board_onenand_data NULL
-static inline void gpmc_onenand_init(struct omap_onenand_platform_data *d)
-{
-}
-#endif
-
-#endif
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index 9ea92b6f180d..0753a046fed2 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -29,18 +29,17 @@
#include <linux/of_address.h>
#include <linux/of_mtd.h>
#include <linux/of_device.h>
+#include <linux/omap-gpmc.h>
#include <linux/mtd/nand.h>
#include <linux/pm_runtime.h>
#include <linux/platform_data/mtd-nand-omap2.h>
-
-#include <asm/mach-types.h>
+#include <linux/platform_data/mtd-onenand-omap2.h>
#include "soc.h"
#include "omap_device.h"
-#include "gpmc.h"
-#include "gpmc-nand.h"
-#include "gpmc-onenand.h"
+
+#include <asm/mach-types.h>
#define DEVICE_NAME "omap-gpmc"
@@ -115,6 +114,60 @@
#define GPMC_NR_WAITPINS 4
+#define GPMC_CS_CONFIG1 0x00
+#define GPMC_CS_CONFIG2 0x04
+#define GPMC_CS_CONFIG3 0x08
+#define GPMC_CS_CONFIG4 0x0c
+#define GPMC_CS_CONFIG5 0x10
+#define GPMC_CS_CONFIG6 0x14
+#define GPMC_CS_CONFIG7 0x18
+#define GPMC_CS_NAND_COMMAND 0x1c
+#define GPMC_CS_NAND_ADDRESS 0x20
+#define GPMC_CS_NAND_DATA 0x24
+
+/* Control Commands */
+#define GPMC_CONFIG_RDY_BSY 0x00000001
+#define GPMC_CONFIG_DEV_SIZE 0x00000002
+#define GPMC_CONFIG_DEV_TYPE 0x00000003
+#define GPMC_SET_IRQ_STATUS 0x00000004
+
+#define GPMC_CONFIG1_WRAPBURST_SUPP (1 << 31)
+#define GPMC_CONFIG1_READMULTIPLE_SUPP (1 << 30)
+#define GPMC_CONFIG1_READTYPE_ASYNC (0 << 29)
+#define GPMC_CONFIG1_READTYPE_SYNC (1 << 29)
+#define GPMC_CONFIG1_WRITEMULTIPLE_SUPP (1 << 28)
+#define GPMC_CONFIG1_WRITETYPE_ASYNC (0 << 27)
+#define GPMC_CONFIG1_WRITETYPE_SYNC (1 << 27)
+#define GPMC_CONFIG1_CLKACTIVATIONTIME(val) ((val & 3) << 25)
+#define GPMC_CONFIG1_PAGE_LEN(val) ((val & 3) << 23)
+#define GPMC_CONFIG1_WAIT_READ_MON (1 << 22)
+#define GPMC_CONFIG1_WAIT_WRITE_MON (1 << 21)
+#define GPMC_CONFIG1_WAIT_MON_IIME(val) ((val & 3) << 18)
+#define GPMC_CONFIG1_WAIT_PIN_SEL(val) ((val & 3) << 16)
+#define GPMC_CONFIG1_DEVICESIZE(val) ((val & 3) << 12)
+#define GPMC_CONFIG1_DEVICESIZE_16 GPMC_CONFIG1_DEVICESIZE(1)
+#define GPMC_CONFIG1_DEVICETYPE(val) ((val & 3) << 10)
+#define GPMC_CONFIG1_DEVICETYPE_NOR GPMC_CONFIG1_DEVICETYPE(0)
+#define GPMC_CONFIG1_MUXTYPE(val) ((val & 3) << 8)
+#define GPMC_CONFIG1_TIME_PARA_GRAN (1 << 4)
+#define GPMC_CONFIG1_FCLK_DIV(val) (val & 3)
+#define GPMC_CONFIG1_FCLK_DIV2 (GPMC_CONFIG1_FCLK_DIV(1))
+#define GPMC_CONFIG1_FCLK_DIV3 (GPMC_CONFIG1_FCLK_DIV(2))
+#define GPMC_CONFIG1_FCLK_DIV4 (GPMC_CONFIG1_FCLK_DIV(3))
+#define GPMC_CONFIG7_CSVALID (1 << 6)
+
+#define GPMC_DEVICETYPE_NOR 0
+#define GPMC_DEVICETYPE_NAND 2
+#define GPMC_CONFIG_WRITEPROTECT 0x00000010
+#define WR_RD_PIN_MONITORING 0x00600000
+
+#define GPMC_ENABLE_IRQ 0x0000000d
+
+/* ECC commands */
+#define GPMC_ECC_READ 0 /* Reset Hardware ECC for read */
+#define GPMC_ECC_WRITE 1 /* Reset Hardware ECC for write */
+#define GPMC_ECC_READSYN 2 /* Reset before syndrom is read back */
+
/* XXX: Only NAND irq has been considered,currently these are the only ones used
*/
#define GPMC_NR_IRQ 2
diff --git a/arch/arm/mach-omap2/gpmc.h b/arch/arm/mach-omap2/gpmc.h
index 707f6d58edd5..9caa41a6cb04 100644
--- a/arch/arm/mach-omap2/gpmc.h
+++ b/arch/arm/mach-omap2/gpmc.h
@@ -6,226 +6,9 @@
* 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.
+ *
+ * Do not include this file in any new code, this will get removed
+ * once omap3 boots in device tree only mode.
+ *
*/
-
-#ifndef __OMAP2_GPMC_H
-#define __OMAP2_GPMC_H
-
-#include <linux/platform_data/mtd-nand-omap2.h>
-
-/* Maximum Number of Chip Selects */
-#define GPMC_CS_NUM 8
-
-#define GPMC_CS_CONFIG1 0x00
-#define GPMC_CS_CONFIG2 0x04
-#define GPMC_CS_CONFIG3 0x08
-#define GPMC_CS_CONFIG4 0x0c
-#define GPMC_CS_CONFIG5 0x10
-#define GPMC_CS_CONFIG6 0x14
-#define GPMC_CS_CONFIG7 0x18
-#define GPMC_CS_NAND_COMMAND 0x1c
-#define GPMC_CS_NAND_ADDRESS 0x20
-#define GPMC_CS_NAND_DATA 0x24
-
-/* Control Commands */
-#define GPMC_CONFIG_RDY_BSY 0x00000001
-#define GPMC_CONFIG_DEV_SIZE 0x00000002
-#define GPMC_CONFIG_DEV_TYPE 0x00000003
-#define GPMC_SET_IRQ_STATUS 0x00000004
-#define GPMC_CONFIG_WP 0x00000005
-
-#define GPMC_ENABLE_IRQ 0x0000000d
-
-/* ECC commands */
-#define GPMC_ECC_READ 0 /* Reset Hardware ECC for read */
-#define GPMC_ECC_WRITE 1 /* Reset Hardware ECC for write */
-#define GPMC_ECC_READSYN 2 /* Reset before syndrom is read back */
-
-#define GPMC_CONFIG1_WRAPBURST_SUPP (1 << 31)
-#define GPMC_CONFIG1_READMULTIPLE_SUPP (1 << 30)
-#define GPMC_CONFIG1_READTYPE_ASYNC (0 << 29)
-#define GPMC_CONFIG1_READTYPE_SYNC (1 << 29)
-#define GPMC_CONFIG1_WRITEMULTIPLE_SUPP (1 << 28)
-#define GPMC_CONFIG1_WRITETYPE_ASYNC (0 << 27)
-#define GPMC_CONFIG1_WRITETYPE_SYNC (1 << 27)
-#define GPMC_CONFIG1_CLKACTIVATIONTIME(val) ((val & 3) << 25)
-#define GPMC_CONFIG1_PAGE_LEN(val) ((val & 3) << 23)
-#define GPMC_CONFIG1_WAIT_READ_MON (1 << 22)
-#define GPMC_CONFIG1_WAIT_WRITE_MON (1 << 21)
-#define GPMC_CONFIG1_WAIT_MON_IIME(val) ((val & 3) << 18)
-#define GPMC_CONFIG1_WAIT_PIN_SEL(val) ((val & 3) << 16)
-#define GPMC_CONFIG1_DEVICESIZE(val) ((val & 3) << 12)
-#define GPMC_CONFIG1_DEVICESIZE_16 GPMC_CONFIG1_DEVICESIZE(1)
-#define GPMC_CONFIG1_DEVICETYPE(val) ((val & 3) << 10)
-#define GPMC_CONFIG1_DEVICETYPE_NOR GPMC_CONFIG1_DEVICETYPE(0)
-#define GPMC_CONFIG1_MUXTYPE(val) ((val & 3) << 8)
-#define GPMC_CONFIG1_TIME_PARA_GRAN (1 << 4)
-#define GPMC_CONFIG1_FCLK_DIV(val) (val & 3)
-#define GPMC_CONFIG1_FCLK_DIV2 (GPMC_CONFIG1_FCLK_DIV(1))
-#define GPMC_CONFIG1_FCLK_DIV3 (GPMC_CONFIG1_FCLK_DIV(2))
-#define GPMC_CONFIG1_FCLK_DIV4 (GPMC_CONFIG1_FCLK_DIV(3))
-#define GPMC_CONFIG7_CSVALID (1 << 6)
-
-#define GPMC_DEVICETYPE_NOR 0
-#define GPMC_DEVICETYPE_NAND 2
-#define GPMC_CONFIG_WRITEPROTECT 0x00000010
-#define WR_RD_PIN_MONITORING 0x00600000
-#define GPMC_IRQ_FIFOEVENTENABLE 0x01
-#define GPMC_IRQ_COUNT_EVENT 0x02
-
-#define GPMC_BURST_4 4 /* 4 word burst */
-#define GPMC_BURST_8 8 /* 8 word burst */
-#define GPMC_BURST_16 16 /* 16 word burst */
-#define GPMC_DEVWIDTH_8BIT 1 /* 8-bit device width */
-#define GPMC_DEVWIDTH_16BIT 2 /* 16-bit device width */
-#define GPMC_MUX_AAD 1 /* Addr-Addr-Data multiplex */
-#define GPMC_MUX_AD 2 /* Addr-Data multiplex */
-
-/* bool type time settings */
-struct gpmc_bool_timings {
- bool cycle2cyclediffcsen;
- bool cycle2cyclesamecsen;
- bool we_extra_delay;
- bool oe_extra_delay;
- bool adv_extra_delay;
- bool cs_extra_delay;
- bool time_para_granularity;
-};
-
-/*
- * Note that all values in this struct are in nanoseconds except sync_clk
- * (which is in picoseconds), while the register values are in gpmc_fck cycles.
- */
-struct gpmc_timings {
- /* Minimum clock period for synchronous mode (in picoseconds) */
- u32 sync_clk;
-
- /* Chip-select signal timings corresponding to GPMC_CS_CONFIG2 */
- u32 cs_on; /* Assertion time */
- u32 cs_rd_off; /* Read deassertion time */
- u32 cs_wr_off; /* Write deassertion time */
-
- /* ADV signal timings corresponding to GPMC_CONFIG3 */
- u32 adv_on; /* Assertion time */
- u32 adv_rd_off; /* Read deassertion time */
- u32 adv_wr_off; /* Write deassertion time */
-
- /* WE signals timings corresponding to GPMC_CONFIG4 */
- u32 we_on; /* WE assertion time */
- u32 we_off; /* WE deassertion time */
-
- /* OE signals timings corresponding to GPMC_CONFIG4 */
- u32 oe_on; /* OE assertion time */
- u32 oe_off; /* OE deassertion time */
-
- /* Access time and cycle time timings corresponding to GPMC_CONFIG5 */
- u32 page_burst_access; /* Multiple access word delay */
- u32 access; /* Start-cycle to first data valid delay */
- u32 rd_cycle; /* Total read cycle time */
- u32 wr_cycle; /* Total write cycle time */
-
- u32 bus_turnaround;
- u32 cycle2cycle_delay;
-
- u32 wait_monitoring;
- u32 clk_activation;
-
- /* The following are only on OMAP3430 */
- u32 wr_access; /* WRACCESSTIME */
- u32 wr_data_mux_bus; /* WRDATAONADMUXBUS */
-
- struct gpmc_bool_timings bool_timings;
-};
-
-/* Device timings in picoseconds */
-struct gpmc_device_timings {
- u32 t_ceasu; /* address setup to CS valid */
- u32 t_avdasu; /* address setup to ADV valid */
- /* XXX: try to combine t_avdp_r & t_avdp_w. Issue is
- * of tusb using these timings even for sync whilst
- * ideally for adv_rd/(wr)_off it should have considered
- * t_avdh instead. This indirectly necessitates r/w
- * variations of t_avdp as it is possible to have one
- * sync & other async
- */
- u32 t_avdp_r; /* ADV low time (what about t_cer ?) */
- u32 t_avdp_w;
- u32 t_aavdh; /* address hold time */
- u32 t_oeasu; /* address setup to OE valid */
- u32 t_aa; /* access time from ADV assertion */
- u32 t_iaa; /* initial access time */
- u32 t_oe; /* access time from OE assertion */
- u32 t_ce; /* access time from CS asertion */
- u32 t_rd_cycle; /* read cycle time */
- u32 t_cez_r; /* read CS deassertion to high Z */
- u32 t_cez_w; /* write CS deassertion to high Z */
- u32 t_oez; /* OE deassertion to high Z */
- u32 t_weasu; /* address setup to WE valid */
- u32 t_wpl; /* write assertion time */
- u32 t_wph; /* write deassertion time */
- u32 t_wr_cycle; /* write cycle time */
-
- u32 clk;
- u32 t_bacc; /* burst access valid clock to output delay */
- u32 t_ces; /* CS setup time to clk */
- u32 t_avds; /* ADV setup time to clk */
- u32 t_avdh; /* ADV hold time from clk */
- u32 t_ach; /* address hold time from clk */
- u32 t_rdyo; /* clk to ready valid */
-
- u32 t_ce_rdyz; /* XXX: description ?, or use t_cez instead */
- u32 t_ce_avd; /* CS on to ADV on delay */
-
- /* XXX: check the possibility of combining
- * cyc_aavhd_oe & cyc_aavdh_we
- */
- u8 cyc_aavdh_oe;/* read address hold time in cycles */
- u8 cyc_aavdh_we;/* write address hold time in cycles */
- u8 cyc_oe; /* access time from OE assertion in cycles */
- u8 cyc_wpl; /* write deassertion time in cycles */
- u32 cyc_iaa; /* initial access time in cycles */
-
- /* extra delays */
- bool ce_xdelay;
- bool avd_xdelay;
- bool oe_xdelay;
- bool we_xdelay;
-};
-
-struct gpmc_settings {
- bool burst_wrap; /* enables wrap bursting */
- bool burst_read; /* enables read page/burst mode */
- bool burst_write; /* enables write page/burst mode */
- bool device_nand; /* device is NAND */
- bool sync_read; /* enables synchronous reads */
- bool sync_write; /* enables synchronous writes */
- bool wait_on_read; /* monitor wait on reads */
- bool wait_on_write; /* monitor wait on writes */
- u32 burst_len; /* page/burst length */
- u32 device_width; /* device bus width (8 or 16 bit) */
- u32 mux_add_data; /* multiplex address & data */
- u32 wait_pin; /* wait-pin to be used */
-};
-
-extern int gpmc_calc_timings(struct gpmc_timings *gpmc_t,
- struct gpmc_settings *gpmc_s,
- struct gpmc_device_timings *dev_t);
-
-extern void gpmc_update_nand_reg(struct gpmc_nand_regs *reg, int cs);
-extern int gpmc_get_client_irq(unsigned irq_config);
-
-extern unsigned int gpmc_ticks_to_ns(unsigned int ticks);
-
-extern void gpmc_cs_write_reg(int cs, int idx, u32 val);
-extern int gpmc_calc_divider(unsigned int sync_clk);
-extern int gpmc_cs_set_timings(int cs, const struct gpmc_timings *t);
-extern int gpmc_cs_program_settings(int cs, struct gpmc_settings *p);
-extern int gpmc_cs_request(int cs, unsigned long size, unsigned long *base);
-extern void gpmc_cs_free(int cs);
-extern void omap3_gpmc_save_context(void);
-extern void omap3_gpmc_restore_context(void);
-extern int gpmc_configure(int cmd, int wval);
-extern void gpmc_read_settings_dt(struct device_node *np,
- struct gpmc_settings *p);
-
-#endif
+#include <linux/omap-gpmc.h>
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 175564c88a30..88721df6001d 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -29,6 +29,7 @@
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/omap-dma.h>
+#include <linux/omap-gpmc.h>
#include <linux/platform_data/gpio-omap.h>
#include <trace/events/power.h>
@@ -43,7 +44,6 @@
#include "common.h"
#include "cm3xxx.h"
#include "cm-regbits-34xx.h"
-#include "gpmc.h"
#include "prm-regbits-34xx.h"
#include "prm3xxx.h"
#include "pm.h"
diff --git a/include/linux/omap-gpmc.h b/include/linux/omap-gpmc.h
new file mode 100644
index 000000000000..c2080eebbb47
--- /dev/null
+++ b/include/linux/omap-gpmc.h
@@ -0,0 +1,199 @@
+/*
+ * OMAP GPMC (General Purpose Memory Controller) defines
+ *
+ * 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.
+ */
+
+/* Maximum Number of Chip Selects */
+#define GPMC_CS_NUM 8
+
+#define GPMC_CONFIG_WP 0x00000005
+
+#define GPMC_IRQ_FIFOEVENTENABLE 0x01
+#define GPMC_IRQ_COUNT_EVENT 0x02
+
+#define GPMC_BURST_4 4 /* 4 word burst */
+#define GPMC_BURST_8 8 /* 8 word burst */
+#define GPMC_BURST_16 16 /* 16 word burst */
+#define GPMC_DEVWIDTH_8BIT 1 /* 8-bit device width */
+#define GPMC_DEVWIDTH_16BIT 2 /* 16-bit device width */
+#define GPMC_MUX_AAD 1 /* Addr-Addr-Data multiplex */
+#define GPMC_MUX_AD 2 /* Addr-Data multiplex */
+
+/* bool type time settings */
+struct gpmc_bool_timings {
+ bool cycle2cyclediffcsen;
+ bool cycle2cyclesamecsen;
+ bool we_extra_delay;
+ bool oe_extra_delay;
+ bool adv_extra_delay;
+ bool cs_extra_delay;
+ bool time_para_granularity;
+};
+
+/*
+ * Note that all values in this struct are in nanoseconds except sync_clk
+ * (which is in picoseconds), while the register values are in gpmc_fck cycles.
+ */
+struct gpmc_timings {
+ /* Minimum clock period for synchronous mode (in picoseconds) */
+ u32 sync_clk;
+
+ /* Chip-select signal timings corresponding to GPMC_CS_CONFIG2 */
+ u32 cs_on; /* Assertion time */
+ u32 cs_rd_off; /* Read deassertion time */
+ u32 cs_wr_off; /* Write deassertion time */
+
+ /* ADV signal timings corresponding to GPMC_CONFIG3 */
+ u32 adv_on; /* Assertion time */
+ u32 adv_rd_off; /* Read deassertion time */
+ u32 adv_wr_off; /* Write deassertion time */
+
+ /* WE signals timings corresponding to GPMC_CONFIG4 */
+ u32 we_on; /* WE assertion time */
+ u32 we_off; /* WE deassertion time */
+
+ /* OE signals timings corresponding to GPMC_CONFIG4 */
+ u32 oe_on; /* OE assertion time */
+ u32 oe_off; /* OE deassertion time */
+
+ /* Access time and cycle time timings corresponding to GPMC_CONFIG5 */
+ u32 page_burst_access; /* Multiple access word delay */
+ u32 access; /* Start-cycle to first data valid delay */
+ u32 rd_cycle; /* Total read cycle time */
+ u32 wr_cycle; /* Total write cycle time */
+
+ u32 bus_turnaround;
+ u32 cycle2cycle_delay;
+
+ u32 wait_monitoring;
+ u32 clk_activation;
+
+ /* The following are only on OMAP3430 */
+ u32 wr_access; /* WRACCESSTIME */
+ u32 wr_data_mux_bus; /* WRDATAONADMUXBUS */
+
+ struct gpmc_bool_timings bool_timings;
+};
+
+/* Device timings in picoseconds */
+struct gpmc_device_timings {
+ u32 t_ceasu; /* address setup to CS valid */
+ u32 t_avdasu; /* address setup to ADV valid */
+ /* XXX: try to combine t_avdp_r & t_avdp_w. Issue is
+ * of tusb using these timings even for sync whilst
+ * ideally for adv_rd/(wr)_off it should have considered
+ * t_avdh instead. This indirectly necessitates r/w
+ * variations of t_avdp as it is possible to have one
+ * sync & other async
+ */
+ u32 t_avdp_r; /* ADV low time (what about t_cer ?) */
+ u32 t_avdp_w;
+ u32 t_aavdh; /* address hold time */
+ u32 t_oeasu; /* address setup to OE valid */
+ u32 t_aa; /* access time from ADV assertion */
+ u32 t_iaa; /* initial access time */
+ u32 t_oe; /* access time from OE assertion */
+ u32 t_ce; /* access time from CS asertion */
+ u32 t_rd_cycle; /* read cycle time */
+ u32 t_cez_r; /* read CS deassertion to high Z */
+ u32 t_cez_w; /* write CS deassertion to high Z */
+ u32 t_oez; /* OE deassertion to high Z */
+ u32 t_weasu; /* address setup to WE valid */
+ u32 t_wpl; /* write assertion time */
+ u32 t_wph; /* write deassertion time */
+ u32 t_wr_cycle; /* write cycle time */
+
+ u32 clk;
+ u32 t_bacc; /* burst access valid clock to output delay */
+ u32 t_ces; /* CS setup time to clk */
+ u32 t_avds; /* ADV setup time to clk */
+ u32 t_avdh; /* ADV hold time from clk */
+ u32 t_ach; /* address hold time from clk */
+ u32 t_rdyo; /* clk to ready valid */
+
+ u32 t_ce_rdyz; /* XXX: description ?, or use t_cez instead */
+ u32 t_ce_avd; /* CS on to ADV on delay */
+
+ /* XXX: check the possibility of combining
+ * cyc_aavhd_oe & cyc_aavdh_we
+ */
+ u8 cyc_aavdh_oe;/* read address hold time in cycles */
+ u8 cyc_aavdh_we;/* write address hold time in cycles */
+ u8 cyc_oe; /* access time from OE assertion in cycles */
+ u8 cyc_wpl; /* write deassertion time in cycles */
+ u32 cyc_iaa; /* initial access time in cycles */
+
+ /* extra delays */
+ bool ce_xdelay;
+ bool avd_xdelay;
+ bool oe_xdelay;
+ bool we_xdelay;
+};
+
+struct gpmc_settings {
+ bool burst_wrap; /* enables wrap bursting */
+ bool burst_read; /* enables read page/burst mode */
+ bool burst_write; /* enables write page/burst mode */
+ bool device_nand; /* device is NAND */
+ bool sync_read; /* enables synchronous reads */
+ bool sync_write; /* enables synchronous writes */
+ bool wait_on_read; /* monitor wait on reads */
+ bool wait_on_write; /* monitor wait on writes */
+ u32 burst_len; /* page/burst length */
+ u32 device_width; /* device bus width (8 or 16 bit) */
+ u32 mux_add_data; /* multiplex address & data */
+ u32 wait_pin; /* wait-pin to be used */
+};
+
+extern int gpmc_calc_timings(struct gpmc_timings *gpmc_t,
+ struct gpmc_settings *gpmc_s,
+ struct gpmc_device_timings *dev_t);
+
+struct gpmc_nand_regs;
+struct device_node;
+
+extern void gpmc_update_nand_reg(struct gpmc_nand_regs *reg, int cs);
+extern int gpmc_get_client_irq(unsigned irq_config);
+
+extern unsigned int gpmc_ticks_to_ns(unsigned int ticks);
+
+extern void gpmc_cs_write_reg(int cs, int idx, u32 val);
+extern int gpmc_calc_divider(unsigned int sync_clk);
+extern int gpmc_cs_set_timings(int cs, const struct gpmc_timings *t);
+extern int gpmc_cs_program_settings(int cs, struct gpmc_settings *p);
+extern int gpmc_cs_request(int cs, unsigned long size, unsigned long *base);
+extern void gpmc_cs_free(int cs);
+extern int gpmc_configure(int cmd, int wval);
+extern void gpmc_read_settings_dt(struct device_node *np,
+ struct gpmc_settings *p);
+
+extern void omap3_gpmc_save_context(void);
+extern void omap3_gpmc_restore_context(void);
+
+struct gpmc_timings;
+struct omap_nand_platform_data;
+struct omap_onenand_platform_data;
+
+#if IS_ENABLED(CONFIG_MTD_NAND_OMAP2)
+extern int gpmc_nand_init(struct omap_nand_platform_data *d,
+ struct gpmc_timings *gpmc_t);
+#else
+static inline int gpmc_nand_init(struct omap_nand_platform_data *d,
+ struct gpmc_timings *gpmc_t)
+{
+ return 0;
+}
+#endif
+
+#if IS_ENABLED(CONFIG_MTD_ONENAND_OMAP2)
+extern void gpmc_onenand_init(struct omap_onenand_platform_data *d);
+#else
+#define board_onenand_data NULL
+static inline void gpmc_onenand_init(struct omap_onenand_platform_data *d)
+{
+}
+#endif
generated by cgit (git 2.34.1) at 2024-06-08 18:19:45 +0000