ARM: highbank: add reset support
Implement reset for highbank platform. Reset is triggered via a wfi
instruction, so enabling armv7 for the compiler is necessary.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
diff --git a/board/highbank/highbank.c b/board/highbank/highbank.c
index 096e2f6..1e2da78 100644
--- a/board/highbank/highbank.c
+++ b/board/highbank/highbank.c
@@ -23,6 +23,12 @@
#include <asm/sizes.h>
#include <asm/io.h>
+#define HB_SREG_A9_PWR_REQ 0xfff3cf00
+#define HB_PWR_SUSPEND 0
+#define HB_PWR_SOFT_RESET 1
+#define HB_PWR_HARD_RESET 2
+#define HB_PWR_SHUTDOWN 3
+
DECLARE_GLOBAL_DATA_PTR;
/*
@@ -68,4 +74,6 @@
void reset_cpu(ulong addr)
{
+ writel(HB_PWR_HARD_RESET, HB_SREG_A9_PWR_REQ);
+ asm(" wfi");
}