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| author | Frank Li <Frank.Li@freescale.com> | 2016-01-05 18:17:17 +0100 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2016-01-28 09:31:59 +0100 |
| commit | e914ecebf12f39441c9d21c13dce728d6ff6a1f1 (patch) | |
| tree | 6b069d43a37c17041ff5600547271d687755cec5 /arch/arm/mach-imx | |
| parent | ARM: imx: select HAVE_ARM_ARCH_TIMER if selected i.MX7D (diff) | |
| download | linux-e914ecebf12f39441c9d21c13dce728d6ff6a1f1.tar.xz linux-e914ecebf12f39441c9d21c13dce728d6ff6a1f1.zip | |
ARM: imx7d: correct chip version information
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.Li@freescale.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm/mach-imx')
| -rw-r--r-- | arch/arm/mach-imx/anatop.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm/mach-imx/anatop.c b/arch/arm/mach-imx/anatop.c index 231bb250c571..bd3555ee88c8 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); |