From ef7cd069b55be2bf63e70e421e18408ec499bdfe Mon Sep 17 00:00:00 2001 From: Andrey Smirnov Date: Fri, 20 Apr 2018 18:05:38 -0700 Subject: ARM: VFxxx: Record reset reason as a part of startup Signed-off-by: Andrey Smirnov Signed-off-by: Sascha Hauer --- 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 96e52486c3..4919f68d5b 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 c2d02632f1..df8cfcd6b6 100644 --- a/arch/arm/mach-imx/vf610.c +++ b/arch/arm/mach-imx/vf610.c @@ -18,6 +18,17 @@ #include #include #include +#include + +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; } -- cgit v1.2.3