From 2d52a9a38c20697b4aeecac0541c7496809e8238 Mon Sep 17 00:00:00 2001 From: Simon Schwarz Date: Thu, 15 Mar 2012 04:01:40 +0000 Subject: [PATCH] devkit8000: Implement and activate direct OS boot - Implements spl_start_uboot() for devkit8000 - Add configs to activate direct OS boot from SPL Signed-off-by: Simon Schwarz CC: Tom Rini CC: Stefano Babic CC: Wolfgang Denk --- board/timll/devkit8000/devkit8000.c | 18 ++++++++++++++++++ include/configs/devkit8000.h | 7 +++++-- 2 files changed, 23 insertions(+), 2 deletions(-) diff --git a/board/timll/devkit8000/devkit8000.c b/board/timll/devkit8000/devkit8000.c index dded697f95..d75e86b32e 100644 --- a/board/timll/devkit8000/devkit8000.c +++ b/board/timll/devkit8000/devkit8000.c @@ -41,6 +41,7 @@ #include #include #include "devkit8000.h" +#include #ifdef CONFIG_DRIVER_DM9000 #include #include @@ -161,6 +162,23 @@ void spl_board_prepare_for_linux(void) gpmc_dm9000_config(); } +/* + * devkit8000 specific implementation of spl_start_uboot() + * + * RETURN + * 0 if the button is not pressed + * 1 if the button is pressed + */ +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/devkit8000.h b/include/configs/devkit8000.h index e323877e26..eb7c376780 100644 --- a/include/configs/devkit8000.h +++ b/include/configs/devkit8000.h @@ -35,7 +35,7 @@ #define CONFIG_OMAP 1 /* in a TI OMAP core */ #define CONFIG_OMAP34XX 1 /* which is a 34XX */ #define CONFIG_OMAP3_DEVKIT8000 1 /* working with DevKit8000 */ - +#define CONFIG_MACH_TYPE MACH_TYPE_DEVKIT8000 /* * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM * 64 bytes before this address should be set aside for u-boot.img's @@ -327,7 +327,7 @@ #define CONFIG_SPL_MAX_SIZE 0xB400 /* 45 K */ #define CONFIG_SPL_STACK LOW_LEVEL_SRAM_STACK -#define CONFIG_SPL_BSS_START_ADDR 0x80000000 /*CONFIG_SYS_SDRAM_BASE*/ +#define CONFIG_SPL_BSS_START_ADDR 0x80000500 /* leave space for bootargs*/ #define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* NAND boot config */ @@ -352,6 +352,9 @@ #define CONFIG_SYS_SPL_MALLOC_SIZE 0x100000 /* 1 MB */ /* SPL OS boot options */ +#define CONFIG_SPL_OS_BOOT +#define CONFIG_SPL_OS_BOOT_KEY 26 + #define CONFIG_CMD_SPL #define CONFIG_CMD_SPL_WRITE_SIZE 0x400 /* 1024 byte */ #define CONFIG_CMD_SPL_NAND_OFS (CONFIG_SYS_NAND_SPL_KERNEL_OFFS+\ -- 2.39.5