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| author | Stefano Babic <sbabic@denx.de> | 2012-06-13 22:34:44 +0000 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-09-01 14:58:09 +0200 |
| commit | 3ae6abb697b85516975443ca7eac44d18ed4c53f (patch) | |
| tree | 9a20f10085f111fa4e46199cec618e9f03f60ea7 /board/htkw/mcx | |
| parent | f89a8b6a7653e66f6685563fe8da1265338ea4a7 (diff) | |
| download | talos-obmc-uboot-3ae6abb697b85516975443ca7eac44d18ed4c53f.tar.gz talos-obmc-uboot-3ae6abb697b85516975443ca7eac44d18ed4c53f.zip | |
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/htkw/mcx')
| -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 8f75af19d4..454ff0a846 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 |
