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-rw-r--r--arch/arm/cpu/armv7/mx6/soc.c44
1 files changed, 22 insertions, 22 deletions
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
index 0375996..291be76 100644
--- a/arch/arm/cpu/armv7/mx6/soc.c
+++ b/arch/arm/cpu/armv7/mx6/soc.c
@@ -765,6 +765,28 @@ void s_init(void)
writel(mask528, &anatop->pfd_528_clr);
}
+void set_wdog_reset(struct wdog_regs *wdog)
+{
+ u32 reg = readw(&wdog->wcr);
+ /*
+ * use WDOG_B mode to reset external pmic because it's risky for the
+ * following watchdog reboot in case of cpu freq at lowest 400Mhz with
+ * ldo-bypass mode. Because boot frequency maybe higher 800Mhz i.e. So
+ * in ldo-bypass mode watchdog reset will only triger POR reset, not
+ * WDOG reset. But below code depends on hardware design, if HW didn't
+ * connect WDOG_B pin to external pmic such as i.mx6slevk, we can skip
+ * these code since it assumed boot from 400Mhz always.
+ */
+ reg = readw(&wdog->wcr);
+ reg |= 1 << 3;
+ /*
+ * WDZST bit is write-once only bit. Align this bit in kernel,
+ * otherwise kernel code will have no chance to set this bit.
+ */
+ reg |= 1 << 0;
+ writew(reg, &wdog->wcr);
+}
+
#ifdef CONFIG_LDO_BYPASS_CHECK
DECLARE_GLOBAL_DATA_PTR;
static int ldo_bypass;
@@ -857,28 +879,6 @@ void prep_anatop_bypass(void)
#endif
}
-void set_wdog_reset(struct wdog_regs *wdog)
-{
- u32 reg = readw(&wdog->wcr);
- /*
- * use WDOG_B mode to reset external pmic because it's risky for the
- * following watchdog reboot in case of cpu freq at lowest 400Mhz with
- * ldo-bypass mode. Because boot frequency maybe higher 800Mhz i.e. So
- * in ldo-bypass mode watchdog reset will only triger POR reset, not
- * WDOG reset. But below code depends on hardware design, if HW didn't
- * connect WDOG_B pin to external pmic such as i.mx6slevk, we can skip
- * these code since it assumed boot from 400Mhz always.
- */
- reg = readw(&wdog->wcr);
- reg |= 1 << 3;
- /*
- * WDZST bit is write-once only bit. Align this bit in kernel,
- * otherwise kernel code will have no chance to set this bit.
- */
- reg |= 1 << 0;
- writew(reg, &wdog->wcr);
-}
-
int set_anatop_bypass(int wdog_reset_pin)
{
struct anatop_regs *anatop= (struct anatop_regs*)ANATOP_BASE_ADDR;