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ARM: highbank: add reset support

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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>
This commit is contained in:
Rob Herring 2012-02-01 16:57:55 +00:00 committed by Albert ARIBAUD
parent 877012df30
commit 0c34e69f57
2 changed files with 9 additions and 0 deletions
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1
arch/arm/cpu/armv7/highbank/config.mk Normal file
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@ -0,0 +1 @@
PLATFORM_CPPFLAGS += -march=armv7-a

8
board/highbank/highbank.c
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@ -23,6 +23,12 @@
#include <asm/sizes.h> #include <asm/sizes.h>
#include <asm/io.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; DECLARE_GLOBAL_DATA_PTR;
/* /*
@ -68,4 +74,6 @@ void dram_init_banksize(void)
void reset_cpu(ulong addr) void reset_cpu(ulong addr)
{ {
writel(HB_PWR_HARD_RESET, HB_SREG_A9_PWR_REQ);
asm(" wfi");
} }