From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stefano Babic <sbabic@denx.de>
Date: Tue, 1 Sep 2015 16:35:14 +0200
Subject: [U-Boot] [PATCH V2] imx: vf610 add get_cpu_rev
In-Reply-To: <1441098903-5917-1-git-send-email-Peng.Fan@freescale.com>
References: <1441098903-5917-1-git-send-email-Peng.Fan@freescale.com>
Message-ID: <55E5B7A2.8060400@denx.de>
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To: u-boot@lists.denx.de

Hi Peng,

On 01/09/2015 11:15, Peng Fan wrote:
> Since we need to support runtime check for different drivers, we need
> to add get_cpu_rev for vf610, otherwise there will be build errors.
> 
> This patch introduces a dummy CPU id which is not read from chip
> silicon. Later when we can get the real id from chip, can fix the
> value of MXC_CPU_VF610 then.
> 
> Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
> Suggested-by: Stefano Babic <sbabic@denx.de>
> Cc: Stefano Babic <sbabic@denx.de>
> ---
> 
> Changes v2:
>  Take suggestion from Stefano, get_cpu_rev for vf610 should return an 
>  ID saying dummy ID, but not 0.
> 
>  arch/arm/cpu/armv7/vf610/generic.c  | 6 ++++++
>  arch/arm/include/asm/arch-imx/cpu.h | 1 +
>  2 files changed, 7 insertions(+)
> 
> diff --git a/arch/arm/cpu/armv7/vf610/generic.c b/arch/arm/cpu/armv7/vf610/generic.c
> index 05c401d..08b9ef4 100644
> --- a/arch/arm/cpu/armv7/vf610/generic.c
> +++ b/arch/arm/cpu/armv7/vf610/generic.c
> @@ -9,6 +9,7 @@
>  #include <asm/arch/imx-regs.h>
>  #include <asm/arch/clock.h>
>  #include <asm/arch/crm_regs.h>
> +#include <asm/imx-common/sys_proto.h>
>  #include <netdev.h>
>  #ifdef CONFIG_FSL_ESDHC
>  #include <fsl_esdhc.h>
> @@ -266,6 +267,11 @@ void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
>  }
>  #endif
>  
> +u32 get_cpu_rev(void)
> +{
> +	return MXC_CPU_VF610 << 12;
> +}
> +
>  #if defined(CONFIG_DISPLAY_CPUINFO)
>  static char *get_reset_cause(void)
>  {
> diff --git a/arch/arm/include/asm/arch-imx/cpu.h b/arch/arm/include/asm/arch-imx/cpu.h
> index be13b96..1c8d24e 100644
> --- a/arch/arm/include/asm/arch-imx/cpu.h
> +++ b/arch/arm/include/asm/arch-imx/cpu.h
> @@ -21,6 +21,7 @@
>  #define MXC_CPU_MX6D		0x67
>  #define MXC_CPU_MX6DP		0x68
>  #define MXC_CPU_MX6QP		0x69
> +#define MXC_CPU_VF610		0xF6 /* dummy ID */
>  
>  #define CS0_128					0
>  #define CS0_64M_CS1_64M				1
> 

Acked-by: Stefano Babic <sbabic@denx.de>

Best regards,
Stefano Babic

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