From: Rob Herring <rob.herr...@calxeda.com> 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.herr...@calxeda.com> --- arch/arm/cpu/armv7/highbank/config.mk | 1 + board/highbank/highbank.c | 8 ++++++++ 2 files changed, 9 insertions(+), 0 deletions(-) create mode 100644 arch/arm/cpu/armv7/highbank/config.mk diff --git a/arch/arm/cpu/armv7/highbank/config.mk b/arch/arm/cpu/armv7/highbank/config.mk new file mode 100644 index 0000000..935a147 --- /dev/null +++ b/arch/arm/cpu/armv7/highbank/config.mk @@ -0,0 +1 @@ +PLATFORM_CPPFLAGS += -march=armv7-a diff --git a/board/highbank/highbank.c b/board/highbank/highbank.c index 2de0091..b771cc8 100644 --- a/board/highbank/highbank.c +++ b/board/highbank/highbank.c @@ -22,6 +22,12 @@ #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; /* @@ -67,4 +73,6 @@ void dram_init_banksize(void) void reset_cpu(ulong addr) { + writel(HB_PWR_HARD_RESET, HB_SREG_A9_PWR_REQ); + asm(" wfi"); } -- 1.7.5.4 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot