diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/cpu/armv7/omap-common/spl.c | 46 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/omap3/board.c | 50 | ||||
| -rw-r--r-- | arch/arm/include/asm/omap_common.h | 31 |
3 files changed, 124 insertions, 3 deletions
diff --git a/arch/arm/cpu/armv7/omap-common/spl.c b/arch/arm/cpu/armv7/omap-common/spl.c index 1d301f4..53d10bf 100644 --- a/arch/arm/cpu/armv7/omap-common/spl.c +++ b/arch/arm/cpu/armv7/omap-common/spl.c @@ -26,6 +26,7 @@ #include <asm/u-boot.h> #include <asm/utils.h> #include <asm/arch/sys_proto.h> +#include <nand.h> #include <mmc.h> #include <fat.h> #include <timestamp_autogenerated.h> @@ -173,7 +174,7 @@ end: hang(); } } - +static void mmc_load_image(void) __attribute__((unused)); static void mmc_load_image(void) { struct mmc *mmc; @@ -207,12 +208,48 @@ static void mmc_load_image(void) } } +#ifdef CONFIG_SPL_NAND_SUPPORT +static void nand_load_image(void) __attribute__ ((unused)); +static void nand_load_image(void) +{ + struct image_header *header; + + gpmc_init(); + nand_init(); + + /*use CONFIG_SYS_TEXT_BASE as temporary storage area */ + header = (struct image_header *)(CONFIG_SYS_TEXT_BASE); + +#ifdef CONFIG_NAND_ENV_DST + nand_spl_load_image(CONFIG_ENV_OFFSET, + CONFIG_SYS_NAND_PAGE_SIZE, (void *)header); + parse_image_header(header); + nand_spl_load_image(CONFIG_ENV_OFFSET, image_size, + (void *)image_load_addr); +#ifdef CONFIG_ENV_OFFSET_REDUND + nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND, + CONFIG_SYS_NAND_PAGE_SIZE, (void *)header); + parse_image_header(header); + nand_spl_load_image(CONFIG_ENV_OFFSET_REDUND, image_size, + (void *)image_load_addr); +#endif +#endif + /* Load u-boot */ + nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS, + CONFIG_SYS_NAND_PAGE_SIZE, (void *)header); + parse_image_header(header); + nand_spl_load_image(CONFIG_SYS_NAND_U_BOOT_OFFS, + image_size, (void *)image_load_addr); + nand_deselect(); +} +#endif /* CONFIG_SPL_NAND_SUPPORT */ void jump_to_image_no_args(void) { typedef void (*image_entry_noargs_t)(void)__attribute__ ((noreturn)); image_entry_noargs_t image_entry = (image_entry_noargs_t) image_entry_point; + debug("image entry point: 0x%X\n", image_entry_point); image_entry(); } @@ -228,10 +265,17 @@ void board_init_r(gd_t *id, ulong dummy) boot_device = omap_boot_device(); debug("boot device - %d\n", boot_device); switch (boot_device) { +#ifdef CONFIG_SPL_MMC_SUPPORT case BOOT_DEVICE_MMC1: case BOOT_DEVICE_MMC2: mmc_load_image(); break; +#endif +#ifdef CONFIG_SPL_NAND_SUPPORT + case BOOT_DEVICE_NAND: + nand_load_image(); + break; +#endif default: printf("SPL: Un-supported Boot Device - %d!!!\n", boot_device); hang(); diff --git a/arch/arm/cpu/armv7/omap3/board.c b/arch/arm/cpu/armv7/omap3/board.c index 0448bc9..1b3ef69 100644 --- a/arch/arm/cpu/armv7/omap3/board.c +++ b/arch/arm/cpu/armv7/omap3/board.c @@ -39,6 +39,7 @@ #include <asm/cache.h> #include <asm/armv7.h> #include <asm/arch/gpio.h> +#include <asm/omap_common.h> /* Declarations */ extern omap3_sysinfo sysinfo; @@ -56,6 +57,41 @@ static const struct gpio_bank gpio_bank_34xx[6] = { const struct gpio_bank *const omap_gpio_bank = gpio_bank_34xx; +#ifdef CONFIG_SPL_BUILD +/* +* We use static variables because global data is not ready yet. +* Initialized data is available in SPL right from the beginning. +* We would not typically need to save these parameters in regular +* U-Boot. This is needed only in SPL at the moment. +*/ +u32 omap3_boot_device = BOOT_DEVICE_NAND; + +/* auto boot mode detection is not possible for OMAP3 - hard code */ +u32 omap_boot_mode(void) +{ + switch (omap_boot_device()) { + case BOOT_DEVICE_MMC2: + return MMCSD_MODE_RAW; + case BOOT_DEVICE_MMC1: + return MMCSD_MODE_FAT; + break; + case BOOT_DEVICE_NAND: + return NAND_MODE_HW_ECC; + break; + default: + puts("spl: ERROR: unknown device - can't select boot mode\n"); + hang(); + } +} + +u32 omap_boot_device(void) +{ + return omap3_boot_device; +} + +#endif /* CONFIG_SPL_BUILD */ + + /****************************************************************************** * Routine: delay * Description: spinning delay to use before udelay works @@ -197,6 +233,10 @@ void s_init(void) per_clocks_enable(); +#ifdef CONFIG_SPL_BUILD + preloader_console_init(); +#endif + if (!in_sdram) mem_init(); } @@ -245,7 +285,7 @@ void abort(void) { } -#ifdef CONFIG_NAND_OMAP_GPMC +#if defined(CONFIG_NAND_OMAP_GPMC) & !defined(CONFIG_SPL_BUILD) /****************************************************************************** * OMAP3 specific command to switch between NAND HW and SW ecc *****************************************************************************/ @@ -273,7 +313,7 @@ U_BOOT_CMD( "[hw/sw] - Switch between NAND hardware (hw) or software (sw) ecc algorithm" ); -#endif /* CONFIG_NAND_OMAP_GPMC */ +#endif /* CONFIG_NAND_OMAP_GPMC & !CONFIG_SPL_BUILD */ #ifdef CONFIG_DISPLAY_BOARDINFO /** @@ -410,3 +450,9 @@ void enable_caches(void) dcache_enable(); } #endif + +void omap_rev_string(char *omap_rev_string) +{ + sprintf(omap_rev_string, "OMAP3, sorry revision detection" \ + " unimplemented"); +} diff --git a/arch/arm/include/asm/omap_common.h b/arch/arm/include/asm/omap_common.h index d3cb857..015cede 100644 --- a/arch/arm/include/asm/omap_common.h +++ b/arch/arm/include/asm/omap_common.h @@ -37,6 +37,7 @@ void preloader_console_init(void); /* Boot device */ +#ifdef CONFIG_OMAP44XX /* OMAP4 */ #define BOOT_DEVICE_NONE 0 #define BOOT_DEVICE_XIP 1 #define BOOT_DEVICE_XIPWAIT 2 @@ -44,13 +45,43 @@ void preloader_console_init(void); #define BOOT_DEVICE_ONE_NAND 4 #define BOOT_DEVICE_MMC1 5 #define BOOT_DEVICE_MMC2 6 +#elif CONFIG_OMAP34XX /* OMAP3 */ +#define BOOT_DEVICE_NONE 0 +#define BOOT_DEVICE_XIP 1 +#define BOOT_DEVICE_NAND 2 +#define BOOT_DEVICE_ONE_NAND 3 +#define BOOT_DEVICE_MMC2 5 /*emmc*/ +#define BOOT_DEVICE_MMC1 6 +#define BOOT_DEVICE_XIPWAIT 7 +#endif /* Boot type */ #define MMCSD_MODE_UNDEFINED 0 #define MMCSD_MODE_RAW 1 #define MMCSD_MODE_FAT 2 +#define NAND_MODE_HW_ECC 3 + +struct spl_image_info { + const char *name; + u8 os; + u32 load_addr; + u32 entry_point; + u32 size; +}; + +extern struct spl_image_info spl_image; u32 omap_boot_device(void); u32 omap_boot_mode(void); + +/* SPL common function s*/ +void spl_parse_image_header(const struct image_header *header); + +/* NAND SPL functions */ +void spl_nand_load_image(void); + +/* MMC SPL functions */ +void spl_mmc_load_image(void); + #endif /* _OMAP_COMMON_H_ */ |