[U-Boot] [PATCH 4/4] ZOOM1 Add power reset button

[Tom Rix]

The reset button is the red circle on the top right, front of
the board.  Press and hold the button for 8 seconds to completely
reset the board.

Signed-off-by: Tom Rix <Tom.Rix at windriver.com>
---
 board/omap3/zoom1/zoom1.c     |    8 ++++++++
 drivers/i2c/twl4030_i2c.c     |    2 +-
 include/configs/omap3_zoom1.h |    1 +
 3 files changed, 10 insertions(+), 1 deletions(-)

diff --git a/board/omap3/zoom1/zoom1.c b/board/omap3/zoom1/zoom1.c
index db4d087..8a3afaf 100644
--- a/board/omap3/zoom1/zoom1.c
+++ b/board/omap3/zoom1/zoom1.c
@@ -31,6 +31,7 @@
  * MA 02111-1307 USA
  */
 #include <common.h>
+#include <twl4030.h>
 #include <asm/io.h>
 #include <asm/arch/mux.h>
 #include <asm/arch/sys_proto.h>
@@ -51,6 +52,13 @@ int board_init(void)
 	/* boot param addr */
 	gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
 
+	/*
+	 * Board Reset
+	 * The board is reset by holding the red button on the
+	 * top right front face for eight seconds.
+	 */
+	twl4030_power_reset_init();
+
 	return 0;
 }
 
diff --git a/drivers/i2c/twl4030_i2c.c b/drivers/i2c/twl4030_i2c.c
index 549f974..00146f8 100644
--- a/drivers/i2c/twl4030_i2c.c
+++ b/drivers/i2c/twl4030_i2c.c
@@ -40,7 +40,7 @@ static inline int twl4030_i2c_read_u8(u8 chip_no, u8 *val, u8 reg)
  */
 void twl4030_power_reset_init(void)
 {
-#ifdef CONFIG_OMAP3_ZOOM2
+#if defined(CONFIG_OMAP3_ZOOM2) || defined(CONFIG_OMAP3_ZOOM1)
 	u8 val = 0;
 	if (twl4030_i2c_read_u8(TWL4030_CHIP_PM_MASTER, &val,
 				TWL4030_PM_MASTER_P1_SW_EVENTS)) {
diff --git a/include/configs/omap3_zoom1.h b/include/configs/omap3_zoom1.h
index 9e000ed..983808e 100644
--- a/include/configs/omap3_zoom1.h
+++ b/include/configs/omap3_zoom1.h
@@ -124,6 +124,7 @@
 #define CONFIG_SYS_I2C_BUS		0
 #define CONFIG_SYS_I2C_BUS_SELECT	1
 #define CONFIG_DRIVER_OMAP34XX_I2C	1
+#define CONFIG_DRIVER_TWL4030_I2C	1
 
 /*
  * Board NAND Info.
-- 
1.6.0.5