From: Andrey Smirnov <andrew.smirnov@gmail.com>
To: barebox@lists.infradead.org
Cc: Andrey Smirnov <andrew.smirnov@gmail.com>
Subject: [PATCH v2 04/10] ARM: i.MX7: Record reset reason as a part of startup
Date: Fri, 20 Apr 2018 18:05:32 -0700 [thread overview]
Message-ID: <20180421010538.16488-5-andrew.smirnov@gmail.com> (raw)
In-Reply-To: <20180421010538.16488-1-andrew.smirnov@gmail.com>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
---
arch/arm/mach-imx/imx7.c | 14 ++++++++++++++
arch/arm/mach-imx/include/mach/reset-reason.h | 1 +
2 files changed, 15 insertions(+)
diff --git a/arch/arm/mach-imx/imx7.c b/arch/arm/mach-imx/imx7.c
index 4eef99c87..5ad91c2d7 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 f2544a303..96e52486c 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;
--
2.14.3
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next prev parent reply other threads:[~2018-04-21 1:06 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-21 1:05 [PATCH v2 00/10] i.MX reset reason detection support Andrey Smirnov
2018-04-21 1:05 ` [PATCH v2 01/10] common: reset_source: Add the notion of "reset source instance" Andrey Smirnov
2018-04-21 1:05 ` [PATCH v2 02/10] ARM: i.MX: Add infrastructure to record SoC reset reason Andrey Smirnov
2018-04-21 1:05 ` [PATCH v2 03/10] ARM: i.MX6: Record reset reason as a part of startup Andrey Smirnov
2018-05-02 14:42 ` Jan Lübbe
2018-05-02 17:46 ` Andrey Smirnov
2018-05-03 7:36 ` Jan Lübbe
2018-04-21 1:05 ` Andrey Smirnov [this message]
2018-04-21 1:05 ` [PATCH v2 05/10] common: reset_source: Introduce reset_source_name() Andrey Smirnov
2018-04-21 1:05 ` [PATCH v2 06/10] ARM: i.MX: Log detected reset reason Andrey Smirnov
2018-04-21 1:05 ` [PATCH v2 07/10] ARM: i.MX: Print "revision unknown" if that is the case Andrey Smirnov
2018-04-21 1:05 ` [PATCH v2 08/10] ARM: VFxxx: Add code to detect cpu variant Andrey Smirnov
2018-04-21 1:05 ` [PATCH v2 09/10] ARM: VFxxx: Detect cpu variant on start Andrey Smirnov
2018-04-21 1:05 ` [PATCH v2 10/10] ARM: VFxxx: Record reset reason as a part of startup Andrey Smirnov
2018-04-26 12:54 ` [PATCH v2 00/10] i.MX reset reason detection support Sascha Hauer
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