|
@@ -4,6 +4,7 @@
|
|
|
*/
|
|
|
|
|
|
#include <common.h>
|
|
|
+#include <env.h>
|
|
|
#include <dm.h>
|
|
|
#include <wdt.h>
|
|
|
#include <mpc8xx.h>
|
|
@@ -21,8 +22,15 @@ void hw_watchdog_reset(void)
|
|
|
static int mpc8xx_wdt_start(struct udevice *dev, u64 timeout, ulong flags)
|
|
|
{
|
|
|
immap_t __iomem *immap = (immap_t __iomem *)CONFIG_SYS_IMMR;
|
|
|
+ u32 val = CONFIG_SYS_SYPCR;
|
|
|
+ const char *mode = env_get("watchdog_mode");
|
|
|
|
|
|
- out_be32(&immap->im_siu_conf.sc_sypcr, CONFIG_SYS_SYPCR);
|
|
|
+ if (strcmp(mode, "off") == 0)
|
|
|
+ val = val & ~(SYPCR_SWE | SYPCR_SWRI);
|
|
|
+ else if (strcmp(mode, "nmi") == 0)
|
|
|
+ val = (val & ~SYPCR_SWRI) | SYPCR_SWE;
|
|
|
+
|
|
|
+ out_be32(&immap->im_siu_conf.sc_sypcr, val);
|
|
|
|
|
|
if (!(in_be32(&immap->im_siu_conf.sc_sypcr) & SYPCR_SWE))
|
|
|
return -EBUSY;
|