From: Frank Li <frank...@freescale.com>
The commond 'cat /sys/devices/soc0/revision' can
show correct soc version information.
"unknow revision" message in imx_print_silicon_rev()
will never work for digprog.
Signed-off-by: Frank Li <frank...@freescale.com>
---
Change from v1 to v2:
fix grammer issues in comments.
arch/arm/mach-imx/anatop.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-imx/anatop.c b/arch/arm/mach-imx/anatop.c
index 231bb25..bd3555e 100644
--- a/arch/arm/mach-imx/anatop.c
+++ b/arch/arm/mach-imx/anatop.c
@@ -151,7 +151,14 @@ void __init imx_init_revision_from_anatop(void)
revision = IMX_CHIP_REVISION_1_5;
break;
default:
- revision = IMX_CHIP_REVISION_UNKNOWN;
+ /*
+ * Fail back to return raw register value instead of 0xff.
+ * It will be easy to know version information in SOC if it
+ * can't be recognized by known version. And some chip's
(i.MX7D)
+ * digprog value match linux version format, so it needn't map
+ * again and we can use register value directly.
+ */
+ revision = digprog & 0xff;
}
mxc_set_cpu_type(digprog >> 16 & 0xff);
--
2.5.2
--
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