Detect hot-water-button to start a differnt image.
Signed-off-by: Stefano Babic sbabic@denx.de CC: Tom Rini trini@ti.com --- board/htkw/mcx/mcx.c | 23 +++++++++++++++++++++++ include/configs/mcx.h | 2 ++ 2 files changed, 25 insertions(+)
diff --git a/board/htkw/mcx/mcx.c b/board/htkw/mcx/mcx.c index e593b43..f7d92e8 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, @@ -79,6 +81,27 @@ int misc_init_r(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 diff --git a/include/configs/mcx.h b/include/configs/mcx.h index d9bd089..02e009d 100644 --- a/include/configs/mcx.h +++ b/include/configs/mcx.h @@ -30,6 +30,7 @@
#define MACH_TYPE_MCX 3656 #define CONFIG_MACH_TYPE MACH_TYPE_MCX +#define CONFIG_BOARD_LATE_INIT
#define CONFIG_SYS_CACHELINE_SIZE 64
@@ -140,6 +141,7 @@ #define CONFIG_MTD_PARTITIONS #define CONFIG_MTD_DEVICE #define CONFIG_CMD_MTDPARTS +#define CONFIG_CMD_GPIO
#undef CONFIG_CMD_FLASH /* flinfo, erase, protect */ #undef CONFIG_CMD_FPGA /* FPGA configuration Support */