[PATCH v2 10/10] ARM: VFxxx: Record reset reason as a part of startup
Andrey Smirnov
andrew.smirnov at gmail.com
Fri Apr 20 18:05:38 PDT 2018
Signed-off-by: Andrey Smirnov <andrew.smirnov at gmail.com>
---
arch/arm/mach-imx/include/mach/reset-reason.h | 9 +++++++++
arch/arm/mach-imx/vf610.c | 12 ++++++++++++
2 files changed, 21 insertions(+)
diff --git a/arch/arm/mach-imx/include/mach/reset-reason.h b/arch/arm/mach-imx/include/mach/reset-reason.h
index 96e52486c..4919f68d5 100644
--- a/arch/arm/mach-imx/include/mach/reset-reason.h
+++ b/arch/arm/mach-imx/include/mach/reset-reason.h
@@ -16,6 +16,15 @@
#define IMX6_SRC_SRSR 0x008
#define IMX7_SRC_SRSR 0x05c
+#define VF610_SRC_SRSR 0x008
+
+
+#define VF610_SRC_SRSR_SW_RST BIT(18)
+#define VF610_SRC_SRSR_RESETB BIT(7)
+#define VF610_SRC_SRSR_JTAG_RST BIT(5)
+#define VF610_SRC_SRSR_WDOG_M4 BIT(4)
+#define VF610_SRC_SRSR_WDOG_A5 BIT(3)
+#define VF610_SRC_SRSR_POR_RST BIT(0)
struct imx_reset_reason {
uint32_t mask;
diff --git a/arch/arm/mach-imx/vf610.c b/arch/arm/mach-imx/vf610.c
index c2d02632f..df8cfcd6b 100644
--- a/arch/arm/mach-imx/vf610.c
+++ b/arch/arm/mach-imx/vf610.c
@@ -18,6 +18,17 @@
#include <mach/generic.h>
#include <mach/revision.h>
#include <mach/vf610.h>
+#include <mach/reset-reason.h>
+
+static const struct imx_reset_reason vf610_reset_reasons[] = {
+ { VF610_SRC_SRSR_POR_RST, RESET_POR, 0 },
+ { VF610_SRC_SRSR_WDOG_A5, RESET_WDG, 0 },
+ { VF610_SRC_SRSR_WDOG_M4, RESET_WDG, 1 },
+ { VF610_SRC_SRSR_JTAG_RST, RESET_JTAG, 0 },
+ { VF610_SRC_SRSR_RESETB, RESET_EXT, 0 },
+ { VF610_SRC_SRSR_SW_RST, RESET_RST, 0 },
+ { /* sentinel */ }
+};
int vf610_init(void)
{
@@ -43,5 +54,6 @@ int vf610_init(void)
}
imx_set_silicon_revision(cputypestr, vf610_cpu_revision());
+ imx_set_reset_reason(src + VF610_SRC_SRSR, vf610_reset_reasons);
return 0;
}
--
2.14.3
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