This allows a watchdog reset to start the ROM's usb/serial downloader, or boot from an sdcard.
Signed-off-by: Troy Kisky troy.kisky@boundarydevices.com
Compile tested only, I don't have a mx53evk. --- board/freescale/mx53evk/mx53evk.c | 13 +++++++++++++ include/configs/mx53evk.h | 3 +++ 2 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/board/freescale/mx53evk/mx53evk.c b/board/freescale/mx53evk/mx53evk.c index 8a6e31d..48499d6 100644 --- a/board/freescale/mx53evk/mx53evk.c +++ b/board/freescale/mx53evk/mx53evk.c @@ -28,6 +28,7 @@ #include <asm/arch/crm_regs.h> #include <asm/arch/iomux.h> #include <asm/errno.h> +#include <asm/imx-common/resetmode.h> #include <netdev.h> #include <i2c.h> #include <mmc.h> @@ -367,11 +368,23 @@ int board_init(void) return 0; }
+#ifdef CONFIG_CMD_RESETMODE +static const struct reset_mode board_reset_modes[] = { + /* 4 bit bus width */ + {"mmc0", MAKE_CFGVAL(0x40, 0x20, 0x00, 0x12)}, + {"mmc1", MAKE_CFGVAL(0x40, 0x20, 0x08, 0x12)}, + {NULL, 0}, +}; +#endif + int board_late_init(void) { setup_i2c(1); power_init();
+#ifdef CONFIG_CMD_RESETMODE + add_board_resetmodes(board_reset_modes); +#endif return 0; }
diff --git a/include/configs/mx53evk.h b/include/configs/mx53evk.h index a77e5b2..7be469c 100644 --- a/include/configs/mx53evk.h +++ b/include/configs/mx53evk.h @@ -90,6 +90,9 @@ #define CONFIG_CMD_NET #define CONFIG_CMD_DATE
+/* Miscellaneous commands */ +#define CONFIG_CMD_RESETMODE + /* allow to overwrite serial and ethaddr */ #define CONFIG_ENV_OVERWRITE #define CONFIG_CONS_INDEX 1