[PATCH 04/10] ARM: i.MX7: Record reset reason as a part of startup
Andrey Smirnov
andrew.smirnov at gmail.com
Sat Apr 14 10:50:18 PDT 2018
Signed-off-by: Andrey Smirnov <andrew.smirnov at gmail.com>
---
arch/arm/mach-imx/imx7.c | 3 +++
arch/arm/mach-imx/include/mach/reset-reason.h | 1 +
2 files changed, 4 insertions(+)
diff --git a/arch/arm/mach-imx/imx7.c b/arch/arm/mach-imx/imx7.c
index 4eef99c87..a5debd06c 100644
--- a/arch/arm/mach-imx/imx7.c
+++ b/arch/arm/mach-imx/imx7.c
@@ -19,6 +19,7 @@
#include <mach/imx7.h>
#include <mach/generic.h>
#include <mach/revision.h>
+#include <mach/reset-reason.h>
#include <mach/imx7-regs.h>
void imx7_init_lowlevel(void)
@@ -171,6 +172,7 @@ int imx7_init(void)
{
const char *cputypestr;
u32 imx7_silicon_revision;
+ void __iomem *src = IOMEM(MX7_SRC_BASE_ADDR);
imx7_init_lowlevel();
@@ -197,6 +199,7 @@ int imx7_init(void)
}
imx_set_silicon_revision(cputypestr, imx7_silicon_revision);
+ imx_set_reset_reason(src + IMX7_SRC_SRSR);
return 0;
}
diff --git a/arch/arm/mach-imx/include/mach/reset-reason.h b/arch/arm/mach-imx/include/mach/reset-reason.h
index f65224a55..a8a9dc682 100644
--- a/arch/arm/mach-imx/include/mach/reset-reason.h
+++ b/arch/arm/mach-imx/include/mach/reset-reason.h
@@ -13,6 +13,7 @@
#define IMX_SRC_SRSR_WARM_BOOT BIT(16)
#define IMX6_SRC_SRSR 0x008
+#define IMX7_SRC_SRSR 0x05c
void imx_set_reset_reason(void __iomem *srsr);
--
2.14.3
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