diff options
| author | Alexander Shiyan <shc_work@mail.ru> | 2012-11-17 17:57:19 +0400 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2012-11-21 09:57:44 -0800 |
| commit | e377ca1e32f66378cc6d0562851bfc51126865ea (patch) | |
| tree | 132588c9d007c6fbc47ca52e0c2b05f77181f5d0 /arch/arm/mach-clps711x | |
| parent | 87c37b51ade7d1296ab99ed8f237637bed7779c7 (diff) | |
| download | linux-e377ca1e32f66378cc6d0562851bfc51126865ea.tar.bz2 | |
ARM: clps711x: p720t: Special driver for handling NAND memory is removed
This patch provide migration to using "gpio-nand" driver instead of using
special driver for handling NAND memory.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm/mach-clps711x')
| -rw-r--r-- | arch/arm/mach-clps711x/include/mach/hardware.h | 3 | ||||
| -rw-r--r-- | arch/arm/mach-clps711x/p720t.c | 50 |
2 files changed, 51 insertions, 2 deletions
diff --git a/arch/arm/mach-clps711x/include/mach/hardware.h b/arch/arm/mach-clps711x/include/mach/hardware.h index 4e273f2a5cb1..6acf714031e2 100644 --- a/arch/arm/mach-clps711x/include/mach/hardware.h +++ b/arch/arm/mach-clps711x/include/mach/hardware.h @@ -67,6 +67,9 @@ #define CLPS711X_SRAM_BASE CS6_PHYS_BASE #define CLPS711X_SRAM_SIZE (48 * 1024) +#define CLPS711X_SDRAM0_BASE (0xc0000000) +#define CLPS711X_SDRAM1_BASE (0xd0000000) + #if defined (CONFIG_ARCH_EDB7211) /* The extra 8 lines of the keyboard matrix are wired to chip select 3 */ diff --git a/arch/arm/mach-clps711x/p720t.c b/arch/arm/mach-clps711x/p720t.c index 34c8ee9ebb5e..e25f10ed5606 100644 --- a/arch/arm/mach-clps711x/p720t.c +++ b/arch/arm/mach-clps711x/p720t.c @@ -26,6 +26,8 @@ #include <linux/slab.h> #include <linux/leds.h> #include <linux/platform_device.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/nand-gpio.h> #include <mach/hardware.h> #include <asm/pgtable.h> @@ -41,7 +43,50 @@ #include "common.h" -#define GPIO_USERLED CLPS711X_GPIO(3, 0) +#define P720T_USERLED CLPS711X_GPIO(3, 0) +#define P720T_NAND_CLE CLPS711X_GPIO(4, 0) +#define P720T_NAND_ALE CLPS711X_GPIO(4, 1) +#define P720T_NAND_NCE CLPS711X_GPIO(4, 2) + +#define P720T_NAND_BASE (CLPS711X_SDRAM1_BASE) + +static struct resource p720t_nand_resource[] __initdata = { + DEFINE_RES_MEM(P720T_NAND_BASE, SZ_4), +}; + +static struct mtd_partition p720t_nand_parts[] __initdata = { + { + .name = "Flash partition 1", + .offset = 0, + .size = SZ_2M, + }, + { + .name = "Flash partition 2", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + }, +}; + +static struct gpio_nand_platdata p720t_nand_pdata __initdata = { + .gpio_rdy = -1, + .gpio_nce = P720T_NAND_NCE, + .gpio_ale = P720T_NAND_ALE, + .gpio_cle = P720T_NAND_CLE, + .gpio_nwp = -1, + .chip_delay = 15, + .parts = p720t_nand_parts, + .num_parts = ARRAY_SIZE(p720t_nand_parts), +}; + +static struct platform_device p720t_nand_pdev __initdata = { + .name = "gpio-nand", + .id = -1, + .resource = p720t_nand_resource, + .num_resources = ARRAY_SIZE(p720t_nand_resource), + .dev = { + .platform_data = &p720t_nand_pdata, + }, +}; static void p720t_lcd_power_set(struct plat_lcd_data *pd, unsigned int power) { @@ -127,7 +172,7 @@ static struct gpio_led p720t_gpio_leds[] = { { .name = "User LED", .default_trigger = "heartbeat", - .gpio = GPIO_USERLED, + .gpio = P720T_USERLED, }, }; @@ -138,6 +183,7 @@ static struct gpio_led_platform_data p720t_gpio_led_pdata __initdata = { static void __init p720t_init(void) { + platform_device_register(&p720t_nand_pdev); platform_device_register_data(&platform_bus, "platform-lcd", 0, &p720t_lcd_power_pdata, sizeof(p720t_lcd_power_pdata)); |