From 4fae48e8a955728471e02db38195294940396f04 Mon Sep 17 00:00:00 2001
From: Peng Fan <Peng.Fan@freescale.com>
Date: Mon, 14 Sep 2015 13:34:45 +0800
Subject: [PATCH] imx: mx7dsabresd set wdog SRS bit
We use trigger pmic reset to reset the board, so set bit SRS to
disable internal WDOG_RESET_B_DEB to make reset stable.
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Adrian Alonso <aalonso@freescale.com>
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
---
board/freescale/mx7dsabresd/mx7dsabresd.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/board/freescale/mx7dsabresd/mx7dsabresd.c b/board/freescale/mx7dsabresd/mx7dsabresd.c
index d163bee20f7..6d885734643 100644
--- a/board/freescale/mx7dsabresd/mx7dsabresd.c
+++ b/board/freescale/mx7dsabresd/mx7dsabresd.c
@@ -499,6 +499,8 @@ int power_init_board(void)
int board_late_init(void)
{
+ struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
+
#ifdef CONFIG_CMD_BMODE
add_board_boot_modes(board_boot_modes);
#endif
@@ -509,7 +511,13 @@ int board_late_init(void)
imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
- set_wdog_reset((struct wdog_regs *)WDOG1_BASE_ADDR);
+ set_wdog_reset(wdog);
+
+ /*
+ * Do not assert internal WDOG_RESET_B_DEB(controlled by bit 4),
+ * since we use PMIC_PWRON to reset the board.
+ */
+ clrsetbits_le16(&wdog->wcr, 0, 0x10);
return 0;
}
--
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