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| author | Lily Zhang <r58066@freescale.com> | 2011-07-21 18:08:07 +0800 |
|---|---|---|
| committer | Lily Zhang <r58066@freescale.com> | 2011-07-22 09:15:05 +0800 |
| commit | 6667da86ca1582222416defdcbf8e6d41bc03d28 (patch) | |
| tree | b2e3721348cf402b01edd83bb81fbd18c7f3d4e1 /board | |
| parent | 8e05935d06ba2393ae3d2c5d77ca97e562310532 (diff) | |
| download | u-boot-imx-6667da86ca1582222416defdcbf8e6d41bc03d28.zip u-boot-imx-6667da86ca1582222416defdcbf8e6d41bc03d28.tar.gz u-boot-imx-6667da86ca1582222416defdcbf8e6d41bc03d28.tar.bz2 | |
ENGR00151310 mx53 smd: force warm reset as cold reset
This patch is used to support watchdog timeout in SMD RevA, RevB
board.
1. Revert "ENGR00143469 mx53 smd: pull down GPIO_9 to reset the
board".
2. Force warm reset as cold reset.
Signed-off-by: Lily Zhang <r58066@freescale.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/mx53_smd/mx53_smd.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/board/freescale/mx53_smd/mx53_smd.c b/board/freescale/mx53_smd/mx53_smd.c index aff0364..b698fd3 100644 --- a/board/freescale/mx53_smd/mx53_smd.c +++ b/board/freescale/mx53_smd/mx53_smd.c @@ -799,6 +799,7 @@ void setup_splash_image(void) int board_init(void) { + unsigned int val; #ifdef CONFIG_MFG /* MFG firmware need reset usb to avoid host crash firstly */ #define USBCMD 0x140 @@ -806,6 +807,14 @@ int board_init(void) val &= ~0x1; /*RS bit*/ writel(val, OTG_BASE_ADDR + USBCMD); #endif + + /* Workaround: To make watchdog timeout work in mx53 + * SMD, force warm reset as cold reset + */ + val = readl(SRC_BASE_ADDR); + val &= 0xFFFFFFFE; + writel(val, SRC_BASE_ADDR); + setup_boot_device(); setup_soc_rev(); |