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authorStefano Babic <sbabic@denx.de>2012-06-13 22:34:44 +0000
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2012-08-05 22:02:34 +0200
commitec97087a107c3d9c4f8a79cb213f428ba1bf3210 (patch)
treeb1c7f76ece8e33e927b613afcd15fe2eccde5027 /board
parent577e9800a80c4b78be8b7dec716113db007b7408 (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.c23
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