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imx: mx7dsabresd set wdog SRS bit

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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>
This commit is contained in:
Peng Fan 2015-09-14 13:34:45 +08:00 committed by Stefano Babic
parent 623d96e89a
commit 4fae48e8a9
1 changed files with 9 additions and 1 deletions
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10
board/freescale/mx7dsabresd/mx7dsabresd.c
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@ -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;
}