[U-Boot] [PATCH] imx: mx27 implement get_cpu_rev

[Peng Fan <b51431@freescale.com>]

Hi Stefano,
On Wed, Aug 12, 2015 at 05:50:36PM +0200, Stefano Babic wrote:
>On 12/08/2015 11:40, Peng Fan wrote:
>> Write a function named get_cpu_rev to make it support
>> runtime checking using "is_cpu_type(MXC_CPU_xx)".
>> 
>> Also introduce a macro MXC_CPU_MX27 with value 0x27.
>> 
>> Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
>> Cc: Stefano Babic <sbabic@denx.de>
>> ---
>> 
>> Note:
>>  Based on https://patchwork.ozlabs.org/patch/505618/ to support runtime
>>  check patch.
>> 
>>  arch/arm/cpu/arm926ejs/mx27/generic.c | 6 ++++++
>>  arch/arm/include/asm/arch-imx/cpu.h   | 1 +
>>  2 files changed, 7 insertions(+)
>> 
>> diff --git a/arch/arm/cpu/arm926ejs/mx27/generic.c b/arch/arm/cpu/arm926ejs/mx27/generic.c
>> index 5ee9f07..b713c84 100644
>> --- a/arch/arm/cpu/arm926ejs/mx27/generic.c
>> +++ b/arch/arm/cpu/arm926ejs/mx27/generic.c
>> @@ -12,6 +12,7 @@
>>  #include <asm/arch/imx-regs.h>
>>  #include <asm/arch/clock.h>
>>  #include <asm/arch/gpio.h>
>> +#include <asm/imx-common/sys_proto.h>
>>  #ifdef CONFIG_MXC_MMC
>>  #include <asm/arch/mxcmmc.h>
>>  #endif
>> @@ -159,6 +160,11 @@ unsigned int mxc_get_clock(enum mxc_clock clk)
>>  }
>>  
>>  
>> +u32 get_cpu_rev(void)
>> +{
>> +	return MXC_CPU_MX27 << 12;
>> +}
>> +
>>  #if defined(CONFIG_DISPLAY_CPUINFO)
>>  int print_cpuinfo (void)
>>  {
>> diff --git a/arch/arm/include/asm/arch-imx/cpu.h b/arch/arm/include/asm/arch-imx/cpu.h
>> index 71208aa..be13b96 100644
>> --- a/arch/arm/include/asm/arch-imx/cpu.h
>> +++ b/arch/arm/include/asm/arch-imx/cpu.h
>> @@ -6,6 +6,7 @@
>>  
>>  #define MXC_CPU_MX23		0x23
>>  #define MXC_CPU_MX25		0x25
>> +#define MXC_CPU_MX27		0x27
>>  #define MXC_CPU_MX28		0x28
>>  #define MXC_CPU_MX31		0x31
>>  #define MXC_CPU_MX35		0x35
>> 
>
>Reviewed-by: Stefano Babic <sbabic@denx.de>
>
>Peng, because a repost for your MX2/MX3 series is needed, can you add
>this one to that series ? Thanks !

Ok. I'll repost this one to that series.

Regards,
Peng.
>
>Best regards,
>Stefano Babic
>
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