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authorStefan Agner <stefan@agner.ch>2014-11-27 23:58:20 +0100
committerStefano Babic <sbabic@denx.de>2014-12-01 10:20:22 +0100
commit9e89a64fbd0ddfde17741b38cc95fbdc02679d86 (patch)
tree81fc8ca2bf0c887d9136bcbc2940a13699128298 /arch/arm/cpu/armv7
parent16159be761c2f8f2a3c33e307e5fc9865191e3da (diff)
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arm: vf610: improve evaluation of reset source
Improve the evaluation of the reset source. Bit description according to latest reference manual rev. 7. Signed-off-by: Stefan Agner <stefan@agner.ch>
Diffstat (limited to 'arch/arm/cpu/armv7')
-rw-r--r--arch/arm/cpu/armv7/vf610/generic.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/arch/arm/cpu/armv7/vf610/generic.c b/arch/arm/cpu/armv7/vf610/generic.c
index a26d63e..92aaad9 100644
--- a/arch/arm/cpu/armv7/vf610/generic.c
+++ b/arch/arm/cpu/armv7/vf610/generic.c
@@ -265,20 +265,21 @@ static char *get_reset_cause(void)
cause = readl(&src_regs->srsr);
writel(cause, &src_regs->srsr);
- cause &= 0xff;
- switch (cause) {
- case 0x08:
- return "WDOG";
- case 0x20:
+ if (cause & SRC_SRSR_POR_RST)
+ return "POWER ON RESET";
+ else if (cause & SRC_SRSR_WDOG_A5)
+ return "WDOG A5";
+ else if (cause & SRC_SRSR_WDOG_M4)
+ return "WDOG M4";
+ else if (cause & SRC_SRSR_JTAG_RST)
return "JTAG HIGH-Z";
- case 0x80:
+ else if (cause & SRC_SRSR_SW_RST)
+ return "SW RESET";
+ else if (cause & SRC_SRSR_RESETB)
return "EXTERNAL RESET";
- case 0xfd:
- return "POR";
- default:
+ else
return "unknown reset";
- }
}
int print_cpuinfo(void)