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mx27: 16-bit wide watchdog registers

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Make the watchdog registers 16-bit wide, as they are according to TRM.

Signed-off-by: Leonid Iziumtsev <leonid.iziumtsev@se.atlascopco.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
This commit is contained in:
Leonid Iziumtsev 2016-03-20 14:10:55 +01:00 committed by Stefano Babic
parent 8fb9eea565
commit f7440928e6
2 changed files with 7 additions and 7 deletions
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8
arch/arm/cpu/arm926ejs/mx27/reset.c
View File

@ -27,14 +27,14 @@ void reset_cpu(ulong ignored)
{
struct wdog_regs *regs = (struct wdog_regs *)IMX_WDT_BASE;
/* Disable watchdog and set Time-Out field to 0 */
writel(0x00000000, &regs->wcr);
writew(0x0000, &regs->wcr);
/* Write Service Sequence */
writel(0x00005555, &regs->wsr);
writel(0x0000AAAA, &regs->wsr);
writew(0x5555, &regs->wsr);
writew(0xAAAA, &regs->wsr);
/* Enable watchdog */
writel(WCR_WDE, &regs->wcr);
writew(WCR_WDE, &regs->wcr);
while (1);
/*NOTREACHED*/

6
arch/arm/include/asm/arch-mx27/imx-regs.h
View File

@ -106,9 +106,9 @@ struct esdramc_regs {
/* Watchdog Registers*/
struct wdog_regs {
u32 wcr;
u32 wsr;
u32 wstr;
u16 wcr;
u16 wsr;
u16 wstr;
};
/* PLL registers */