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| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2018-04-20 18:05:32 -0700 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-04-26 13:46:43 +0200 |
| commit | ccdc6ba32216c1ffa5a5d86778b505141e973a31 (patch) | |
| tree | dfe7e3e21eacd5ee2b1bbdc9d764b28a09720e29 /arch | |
| parent | f0b6b837a438a41a58c196dbc5cdda7c57076f51 (diff) | |
| download | barebox-ccdc6ba32216c1ffa5a5d86778b505141e973a31.tar.gz barebox-ccdc6ba32216c1ffa5a5d86778b505141e973a31.tar.xz | |
ARM: i.MX7: Record reset reason as a part of startup
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-imx/imx7.c | 14 | ||||
| -rw-r--r-- | arch/arm/mach-imx/include/mach/reset-reason.h | 1 |
2 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/imx7.c b/arch/arm/mach-imx/imx7.c index 4eef99c872..5ad91c2d77 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) @@ -167,10 +168,22 @@ static struct psci_ops imx7_psci_ops = { .cpu_off = imx7_cpu_off, }; +static const struct imx_reset_reason imx7_reset_reasons[] = { + { IMX_SRC_SRSR_IPP_RESET, RESET_POR, 0 }, + { IMX_SRC_SRSR_WDOG1_RESET, RESET_WDG, 0 }, + { IMX_SRC_SRSR_JTAG_RESET, RESET_JTAG, 0 }, + { IMX_SRC_SRSR_JTAG_SW_RESET, RESET_JTAG, 0 }, + { IMX_SRC_SRSR_WDOG3_RESET, RESET_WDG, 1 }, + { IMX_SRC_SRSR_WDOG4_RESET, RESET_WDG, 2 }, + { IMX_SRC_SRSR_TEMPSENSE_RESET, RESET_THERM, 0 }, + { /* sentinel */ } +}; + int imx7_init(void) { const char *cputypestr; u32 imx7_silicon_revision; + void __iomem *src = IOMEM(MX7_SRC_BASE_ADDR); imx7_init_lowlevel(); @@ -197,6 +210,7 @@ int imx7_init(void) } imx_set_silicon_revision(cputypestr, imx7_silicon_revision); + imx_set_reset_reason(src + IMX7_SRC_SRSR, imx7_reset_reasons); 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 f2544a303c..96e52486c3 100644 --- a/arch/arm/mach-imx/include/mach/reset-reason.h +++ b/arch/arm/mach-imx/include/mach/reset-reason.h @@ -15,6 +15,7 @@ #define IMX_SRC_SRSR_WARM_BOOT BIT(16) #define IMX6_SRC_SRSR 0x008 +#define IMX7_SRC_SRSR 0x05c struct imx_reset_reason { uint32_t mask; |