diff options
author | Stefano Babic <sbabic@denx.de> | 2012-06-13 22:34:44 +0000 |
---|---|---|
committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-08-05 22:02:34 +0200 |
commit | ec97087a107c3d9c4f8a79cb213f428ba1bf3210 (patch) | |
tree | b1c7f76ece8e33e927b613afcd15fe2eccde5027 /board | |
parent | 577e9800a80c4b78be8b7dec716113db007b7408 (diff) |
OMAP3: mcx: read hot-water-button after reset
Detect hot-water-button to start a differnt image.
Signed-off-by: Stefano Babic <sbabic@denx.de>
CC: Tom Rini <trini@ti.com>
Diffstat (limited to 'board')
-rw-r--r-- | board/htkw/mcx/mcx.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/board/htkw/mcx/mcx.c b/board/htkw/mcx/mcx.c index 8f75af19d..454ff0a84 100644 --- a/board/htkw/mcx/mcx.c +++ b/board/htkw/mcx/mcx.c @@ -37,6 +37,8 @@ DECLARE_GLOBAL_DATA_PTR; +#define HOT_WATER_BUTTON 38 + #ifdef CONFIG_USB_EHCI static struct omap_usbhs_board_data usbhs_bdata = { .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, @@ -68,6 +70,27 @@ int board_init(void) return 0; } +#ifdef CONFIG_BOARD_LATE_INIT +int board_late_init(void) +{ + if (gpio_request(HOT_WATER_BUTTON, "hot-water-button") < 0) { + puts("Failed to get hot-water-button pin\n"); + return -ENODEV; + } + gpio_direction_input(HOT_WATER_BUTTON); + + /* + * if hot-water-button is pressed + * change bootcmd + */ + if (gpio_get_value(HOT_WATER_BUTTON)) + return 0; + + setenv("bootcmd", "run swupdate"); + return 0; +} +#endif + /* * Routine: set_muxconf_regs * Description: Setting up the configuration Mux registers specific to the |