[U-Boot] [RFC v2 2/3] mx6qsabrelite: add resetmode support

[Troy Kisky]

This allows a watchdog reset to start the ROM's
usb downloader, or boot from an sdcard.

Signed-off-by: Troy Kisky <troy.kisky at boundarydevices.com>

squash sabrelite
---
 board/freescale/mx6qsabrelite/mx6qsabrelite.c |   14 ++++++++++++++
 include/configs/mx6qsabrelite.h               |    3 +++
 2 files changed, 17 insertions(+), 0 deletions(-)

diff --git a/board/freescale/mx6qsabrelite/mx6qsabrelite.c b/board/freescale/mx6qsabrelite/mx6qsabrelite.c
index 29cbfed..ae2dc95 100644
--- a/board/freescale/mx6qsabrelite/mx6qsabrelite.c
+++ b/board/freescale/mx6qsabrelite/mx6qsabrelite.c
@@ -28,6 +28,7 @@
 #include <asm/arch/clock.h>
 #include <asm/errno.h>
 #include <asm/gpio.h>
+#include <asm/imx-common/resetmode.h>
 #include <mmc.h>
 #include <fsl_esdhc.h>
 #include <micrel.h>
@@ -434,10 +435,23 @@ static void preboot_keys(void)
 }
 #endif
 
+#ifdef CONFIG_CMD_RESETMODE
+static const struct reset_mode board_reset_modes[] = {
+	/* 4 bit bus width */
+	{"mmc0",	MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
+	{"mmc1",	MAKE_CFGVAL(0x40, 0x38, 0x00, 0x00)},
+	{NULL,		0},
+};
+#endif
+
 int misc_init_r(void)
 {
 #ifdef CONFIG_PREBOOT
 	preboot_keys();
 #endif
+
+#ifdef CONFIG_CMD_RESETMODE
+	add_board_resetmodes(board_reset_modes);
+#endif
 	return 0;
 }
diff --git a/include/configs/mx6qsabrelite.h b/include/configs/mx6qsabrelite.h
index feabc05..5165843 100644
--- a/include/configs/mx6qsabrelite.h
+++ b/include/configs/mx6qsabrelite.h
@@ -111,6 +111,9 @@
 #define CONFIG_MXC_USB_PORTSC	(PORT_PTS_UTMI | PORT_PTS_PTW)
 #define CONFIG_MXC_USB_FLAGS	0
 
+/* Miscellaneous commands */
+#define CONFIG_CMD_RESETMODE
+
 /* allow to overwrite serial and ethaddr */
 #define CONFIG_ENV_OVERWRITE
 #define CONFIG_CONS_INDEX	       1
-- 
1.7.5.4