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authorTroy Kisky <troy.kisky@boundarydevices.com>2012-08-15 10:31:22 +0000
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2012-09-01 14:58:26 +0200
commit0aff384b1480c4adf0ba4d3676b213b0ef57ba76 (patch)
tree14db252280245c66ba769a576e89484a2dc26c74
parentbb05b40b0610b4a18aa35313dc0857c9114b2353 (diff)
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mx53evk: add boot_mode support
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>
-rw-r--r--board/freescale/mx53evk/mx53evk.c13
-rw-r--r--include/configs/mx53evk.h3
2 files changed, 16 insertions, 0 deletions
diff --git a/board/freescale/mx53evk/mx53evk.c b/board/freescale/mx53evk/mx53evk.c
index 8a6e31d..7f50938 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/boot_mode.h>
#include <netdev.h>
#include <i2c.h>
#include <mmc.h>
@@ -367,11 +368,23 @@ int board_init(void)
return 0;
}
+#ifdef CONFIG_CMD_BMODE
+static const struct boot_mode board_boot_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_BMODE
+ add_board_boot_modes(board_boot_modes);
+#endif
return 0;
}
diff --git a/include/configs/mx53evk.h b/include/configs/mx53evk.h
index 0a79833..b46855f 100644
--- a/include/configs/mx53evk.h
+++ b/include/configs/mx53evk.h
@@ -88,6 +88,9 @@
#define CONFIG_CMD_NET
#define CONFIG_CMD_DATE
+/* Miscellaneous commands */
+#define CONFIG_CMD_BMODE
+
/* allow to overwrite serial and ethaddr */
#define CONFIG_ENV_OVERWRITE
#define CONFIG_CONS_INDEX 1