diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-09 19:02:46 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-09 19:02:46 -0800 |
commit | aed886ce777590eac87f7ce2897d9f8357754331 (patch) | |
tree | 9a86f2c0a68f8aa43192e51a3155286a5a95e0c8 /arch/arm/mach-davinci/board-dm646x-evm.c | |
parent | 67dd2f5a669f48e48ea1013fb80522adca8287f4 (diff) | |
parent | c16fe26701013b9f55aa554fc0a13a7320b164ee (diff) |
Merge branch 'davinci-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci
* 'davinci-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci: (69 commits)
davinci: Initial support for Neuros OSD2 platform.
davinci: remove unused variable in arch/arm/mach-davinci/board-sffsdr.c
davinci: fix section mismatch warning in arch/arm/mach-davinci/board-dm646x-evm.c
DaVinci: DM365: Enable DaVinci RTC support for DM365 EVM
DA8xx/OMAP-L1xx: Add high speed SD/MMC capabilities
davinci: DA8XX/OMAP-L1XX: enable cpuidle and regulator in defconfig
davinci: DA850/OMAP-L138: avoid using separate initcall for initializing regulator
davinci: DA850/OMAP-L138 EVM: register for cpuidle support
davinci: DA8XX/OMAP-L1XX: add support for cpuidle driver register
davinci: add CPU idle driver
davinci: DA8XX/OMAP-L1XX: fix compiler warning
davinci: DA850/OMAP-L138: eliminate static function declaration
davinci: DA850/OMAP-L138 EVM: simplify configuration of emac in MII/RMII mode
davinci: DA850/OMAP-L138 EVM: get rid of DA850_UI_EXP config option
davinci: DA850/OMAP-L138 EVM: implement autodetect of RMII PHY
davinci: DA830/OMAP-L137 EVM: do not configure NAND on UI card when MMC/SD is selected
davinci: DA830/OMAP-L137 EVM: use runtime detection for UI card
davinci: DA830/OMAP-L137 EVM: remove ifdefs inside da830_evm_init()
davinci: DA830/OMAP-L137 EVM: fix warning with default config
davinci: Add NAND support for DA830/OMAP-L137 EVM platform
...
Diffstat (limited to 'arch/arm/mach-davinci/board-dm646x-evm.c')
-rw-r--r-- | arch/arm/mach-davinci/board-dm646x-evm.c | 86 |
1 files changed, 70 insertions, 16 deletions
diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c index 24e0e13b149..8d0b0e01c59 100644 --- a/arch/arm/mach-davinci/board-dm646x-evm.c +++ b/arch/arm/mach-davinci/board-dm646x-evm.c @@ -17,38 +17,28 @@ **************************************************************************/ #include <linux/kernel.h> -#include <linux/module.h> #include <linux/init.h> -#include <linux/fs.h> -#include <linux/major.h> -#include <linux/root_dev.h> -#include <linux/dma-mapping.h> -#include <linux/serial.h> -#include <linux/serial_8250.h> #include <linux/leds.h> #include <linux/gpio.h> -#include <linux/io.h> #include <linux/platform_device.h> #include <linux/i2c.h> #include <linux/i2c/at24.h> #include <linux/i2c/pcf857x.h> -#include <linux/etherdevice.h> #include <media/tvp514x.h> -#include <asm/setup.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/partitions.h> + #include <asm/mach-types.h> #include <asm/mach/arch.h> -#include <asm/mach/map.h> -#include <asm/mach/flash.h> #include <mach/dm646x.h> #include <mach/common.h> -#include <mach/psc.h> #include <mach/serial.h> #include <mach/i2c.h> -#include <mach/mmc.h> -#include <mach/emac.h> +#include <mach/nand.h> #if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \ defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE) @@ -57,6 +47,11 @@ #define HAS_ATA 0 #endif +#define DAVINCI_ASYNC_EMIF_CONTROL_BASE 0x20008000 +#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE 0x42000000 + +#define NAND_BLOCK_SIZE SZ_128K + /* CPLD Register 0 bits to control ATA */ #define DM646X_EVM_ATA_RST BIT(0) #define DM646X_EVM_ATA_PWD BIT(1) @@ -92,6 +87,63 @@ static struct davinci_uart_config uart_config __initdata = { .enabled_uarts = (1 << 0), }; +/* Note: We are setting first partition as 'bootloader' constituting UBL, U-Boot + * and U-Boot environment this avoids dependency on any particular combination + * of UBL, U-Boot or flashing tools etc. + */ +static struct mtd_partition davinci_nand_partitions[] = { + { + /* UBL, U-Boot with environment */ + .name = "bootloader", + .offset = MTDPART_OFS_APPEND, + .size = 16 * NAND_BLOCK_SIZE, + .mask_flags = MTD_WRITEABLE, /* force read-only */ + }, { + .name = "kernel", + .offset = MTDPART_OFS_APPEND, + .size = SZ_4M, + .mask_flags = 0, + }, { + .name = "filesystem", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + .mask_flags = 0, + } +}; + +static struct davinci_nand_pdata davinci_nand_data = { + .mask_cle = 0x80000, + .mask_ale = 0x40000, + .parts = davinci_nand_partitions, + .nr_parts = ARRAY_SIZE(davinci_nand_partitions), + .ecc_mode = NAND_ECC_HW, + .options = 0, +}; + +static struct resource davinci_nand_resources[] = { + { + .start = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE, + .end = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1, + .flags = IORESOURCE_MEM, + }, { + .start = DAVINCI_ASYNC_EMIF_CONTROL_BASE, + .end = DAVINCI_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device davinci_nand_device = { + .name = "davinci_nand", + .id = 0, + + .num_resources = ARRAY_SIZE(davinci_nand_resources), + .resource = davinci_nand_resources, + + .dev = { + .platform_data = &davinci_nand_data, + }, +}; + /* CPLD Register 0 Client: used for I/O Control */ static int cpld_reg0_probe(struct i2c_client *client, const struct i2c_device_id *id) @@ -142,7 +194,7 @@ static struct gpio_led evm_leds[] = { { .name = "DS4", .active_low = 1, }, }; -static __initconst struct gpio_led_platform_data evm_led_data = { +static const struct gpio_led_platform_data evm_led_data = { .num_leds = ARRAY_SIZE(evm_leds), .leds = evm_leds, }; @@ -647,6 +699,8 @@ static __init void evm_init(void) dm646x_init_mcasp0(&dm646x_evm_snd_data[0]); dm646x_init_mcasp1(&dm646x_evm_snd_data[1]); + platform_device_register(&davinci_nand_device); + if (HAS_ATA) dm646x_init_ide(); |