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| author | Stefano Babic <sbabic@denx.de> | 2012-03-15 04:01:44 +0000 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-03-27 22:05:29 +0200 |
| commit | 84c21fb16fe474f72109bf665a7cd841e17a2409 (patch) | |
| tree | 46823e85f0171f910e9aa6a287100df61308d160 | |
| parent | 53c4492c0b036d73aaa99f2496bf3fcb36448e6c (diff) | |
| download | u-boot-imx-84c21fb16fe474f72109bf665a7cd841e17a2409.zip u-boot-imx-84c21fb16fe474f72109bf665a7cd841e17a2409.tar.gz u-boot-imx-84c21fb16fe474f72109bf665a7cd841e17a2409.tar.bz2 | |
OMAP3: twister: add support to boot Linux from SPL
Signed-off-by: Stefano Babic <sbabic@denx.de>
CC: Tom Rini <tom.rini@gmail.com>
CC: Wolfgang Denk <wd@denx.de>
CC: Simon Schwarz <simonschwarzcor@gmail.com>
| -rw-r--r-- | board/technexion/twister/twister.c | 23 | ||||
| -rw-r--r-- | include/configs/twister.h | 12 |
2 files changed, 35 insertions, 0 deletions
diff --git a/board/technexion/twister/twister.c b/board/technexion/twister/twister.c index 50c70ab..b927586 100644 --- a/board/technexion/twister/twister.c +++ b/board/technexion/twister/twister.c @@ -136,3 +136,26 @@ int board_mmc_init(bd_t *bis) return omap_mmc_init(0); } #endif + +#ifdef CONFIG_SPL_OS_BOOT +/* + * Do board specific preperation before SPL + * Linux boot + */ +void spl_board_prepare_for_linux(void) +{ + /* init cs for extern lan */ + enable_gpmc_cs_config(gpmc_smc911, &gpmc_cfg->cs[5], + CONFIG_SMC911X_BASE, GPMC_SIZE_16M); +} +int spl_start_uboot(void) +{ + int val = 0; + if (!gpio_request(CONFIG_SPL_OS_BOOT_KEY, "U-Boot key")) { + gpio_direction_input(CONFIG_SPL_OS_BOOT_KEY); + val = gpio_get_value(CONFIG_SPL_OS_BOOT_KEY); + gpio_free(CONFIG_SPL_OS_BOOT_KEY); + } + return val; +} +#endif diff --git a/include/configs/twister.h b/include/configs/twister.h index 64a886d..a852481 100644 --- a/include/configs/twister.h +++ b/include/configs/twister.h @@ -51,4 +51,16 @@ #define CONFIG_EXTRA_ENV_SETTINGS CONFIG_TAM3517_SETTINGS \ "bootcmd=run nandboot\0" +/* SPL OS boot options */ +#define CONFIG_CMD_SPL +#define CONFIG_CMD_SPL_WRITE_SIZE 0x400 /* 1024 byte */ +#define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x00200000 +#define CONFIG_CMD_SPL_NAND_OFS (CONFIG_SYS_NAND_SPL_KERNEL_OFFS+\ + 0x600000) +#define CONFIG_SPL_OS_BOOT +#define CONFIG_SPL_OS_BOOT_KEY 55 + +#define CONFIG_SYS_SPL_ARGS_ADDR (PHYS_SDRAM_1 + 0x100) +#define CONFIG_SPL_BOARD_INIT + #endif /* __CONFIG_H */ |