From 84c21fb16fe474f72109bf665a7cd841e17a2409 Mon Sep 17 00:00:00 2001 From: Stefano Babic Date: Thu, 15 Mar 2012 04:01:44 +0000 Subject: [PATCH] OMAP3: twister: add support to boot Linux from SPL Signed-off-by: Stefano Babic CC: Tom Rini CC: Wolfgang Denk CC: Simon Schwarz --- board/technexion/twister/twister.c | 23 +++++++++++++++++++++++ include/configs/twister.h | 12 ++++++++++++ 2 files changed, 35 insertions(+) diff --git a/board/technexion/twister/twister.c b/board/technexion/twister/twister.c index 50c70ab603..b92758692d 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 64a886d3a4..a8524816a8 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 */