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authorAmaury Pouly <amaury.pouly@gmail.com>2013-12-13 00:19:23 +0100
committerAmaury Pouly <amaury.pouly@gmail.com>2013-12-13 00:20:18 +0100
commit8666871cb378e68fb9b4c7c429aa3d4cb22a685b (patch)
treedf9bb6057093cfb8038e79370fbca30c4dbbdb9e
parent3bbe52bb852995286211b3863356087424259940 (diff)
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hwstub/stmp: disable watchdog
Some targets like Sony NWZ use a watchdog, so we must disable it to prevent spurious reboot when we take over Change-Id: I138a8d7f9a1b089acb2d08d7f6c4a58e8b088b3a
-rw-r--r--utils/hwstub/stub/stmp/target.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/utils/hwstub/stub/stmp/target.c b/utils/hwstub/stub/stmp/target.c
index 47768aab0d..98f65da625 100644
--- a/utils/hwstub/stub/stmp/target.c
+++ b/utils/hwstub/stub/stmp/target.c
@@ -168,6 +168,15 @@ void clkctrl_reset(void)
#define HW_USBPHY_CTRL (*(volatile uint32_t *)(HW_USBPHY_BASE + 0x30))
+/**
+ *
+ * RTC
+ *
+ */
+#define HW_RTC_BASE 0x8005C000
+#define HW_RTC_CTRL (*(volatile uint32_t *)(HW_RTC_BASE + 0))
+#define HW_RTC_CTRL__WATCHDOGEN (1 << 4)
+
void target_init(void)
{
/* detect family */
@@ -194,6 +203,8 @@ void target_init(void)
}
else
logf("cannot identify family: 0x%x\n", product_code);
+ /* disable watchdog */
+ __REG_CLR(HW_RTC_CTRL) = HW_RTC_CTRL__WATCHDOGEN;
if(g_stmp_family == STMP3600)
{