[coreboot-gerrit] Change in coreboot[master]: mb/pcengines/apu2/mainboard.c: enable power on after fail

[Michał Żygowski (Code Review)]

Michał Żygowski has uploaded this change for review. ( https://review.coreboot.org/27663

Change subject: mb/pcengines/apu2/mainboard.c: enable power on after fail
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mb/pcengines/apu2/mainboard.c: enable power on after fail

Due to vendor's requirements, board should power on after power failure.

Change-Id: I7b35db16e2090484e58d1307dc29049a1325c65f
Signed-off-by: Michał Żygowski 
---
M src/mainboard/pcengines/apu2/mainboard.c
1 file changed, 6 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/63/27663/1

diff --git a/src/mainboard/pcengines/apu2/mainboard.c b/src/mainboard/pcengines/apu2/mainboard.c
index 8f2d622..25daf3c 100644
--- a/src/mainboard/pcengines/apu2/mainboard.c
+++ b/src/mainboard/pcengines/apu2/mainboard.c
@@ -31,6 +31,7 @@

#define SPD_SIZE  128
 #define PM_RTC_CONTROL	    0x56
+#define PM_RTC_SHADOW	    0x5B
 #define PM_S_STATE_CONTROL  0xBA

@@ -174,6 +175,11 @@
    //
    pm_write16 ( PM_S_STATE_CONTROL, pm_read16( PM_S_STATE_CONTROL ) | (1 << 14));

+	//
+	// Enable power on after power fail
+	//
+	pm_write8 ( PM_RTC_SHADOW, pm_read8( PM_RTC_SHADOW ) | (1 << 0));
+
    /* Initialize the PIRQ data structures for consumption */
    pirq_setup();
 }