[U-Boot] [PATCH 1/8] ARM: highbank: add missing SCU register setup for reset
Andre Przywara
osp at andrep.de
Fri Jun 5 01:58:42 CEST 2015
From: Rob Herring <robh at kernel.org>
Andre: assign names to the magic values
Signed-off-by: Rob Herring <robh at kernel.org>
Signed-off-by: Andre Przywara <osp at andrep.de>
---
board/highbank/highbank.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/board/highbank/highbank.c b/board/highbank/highbank.c
index ba1beb5..ba254b6 100644
--- a/board/highbank/highbank.c
+++ b/board/highbank/highbank.c
@@ -14,6 +14,7 @@
#define HB_AHCI_BASE 0xffe08000
+#define HB_SCU_A9_PWR_STATUS 0xfff10008
#define HB_SREG_A9_PWR_REQ 0xfff3cf00
#define HB_SREG_A9_BOOT_SRC_STAT 0xfff3cf04
#define HB_SREG_A9_PWRDOM_STAT 0xfff3cf20
@@ -27,6 +28,10 @@
#define PWRDOM_STAT_PCI 0x40000000
#define PWRDOM_STAT_EMMC 0x20000000
+#define HB_SCU_A9_PWR_NORMAL 0
+#define HB_SCU_A9_PWR_DORMANT 2
+#define HB_SCU_A9_PWR_OFF 3
+
DECLARE_GLOBAL_DATA_PTR;
/*
@@ -114,6 +119,7 @@ int ft_board_setup(void *fdt, bd_t *bd)
void reset_cpu(ulong addr)
{
writel(HB_PWR_HARD_RESET, HB_SREG_A9_PWR_REQ);
+ writeb(HB_SCU_A9_PWR_OFF, HB_SCU_A9_PWR_STATUS);
wfi();
}
--
1.8.4
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