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

[Stefano Babic <sbabic@denx.de>]

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 !

Best regards,
Stefano Babic

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