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| author | Simon Schwarz <simonschwarzcor@googlemail.com> | 2012-03-15 04:01:40 +0000 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-03-27 22:05:28 +0200 |
| commit | 2d52a9a38c20697b4aeecac0541c7496809e8238 (patch) | |
| tree | 542687b2b910d64b80eca4954d479565614ba070 /board/timll/devkit8000 | |
| parent | ace73189a5245bc0b20930d83bbe8054911cb253 (diff) | |
| download | u-boot-imx-2d52a9a38c20697b4aeecac0541c7496809e8238.zip u-boot-imx-2d52a9a38c20697b4aeecac0541c7496809e8238.tar.gz u-boot-imx-2d52a9a38c20697b4aeecac0541c7496809e8238.tar.bz2 | |
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 <simonschwarzcor@gmail.com>
CC: Tom Rini <tom.rini@gmail.com>
CC: Stefano Babic <sbabic@denx.de>
CC: Wolfgang Denk <wd@denx.de>
Diffstat (limited to 'board/timll/devkit8000')
| -rw-r--r-- | board/timll/devkit8000/devkit8000.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/board/timll/devkit8000/devkit8000.c b/board/timll/devkit8000/devkit8000.c index dded697..d75e86b 100644 --- a/board/timll/devkit8000/devkit8000.c +++ b/board/timll/devkit8000/devkit8000.c @@ -41,6 +41,7 @@ #include <asm/arch/mem.h> #include <asm/mach-types.h> #include "devkit8000.h" +#include <asm/gpio.h> #ifdef CONFIG_DRIVER_DM9000 #include <net.h> #include <netdev.h> @@ -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 /* |