[U-Boot] [PATCH 3/6] pxa: Add some stuff to examine cpu model and rev

Marek Vasut
2012-09-19T21:04:46Z

Dear ?ukasz Da?ek,

Patch description missing. Properly describe all your patches and repost. Also
describe what changed, see

http://www.denx.de/wiki/U-Boot/Patches

> Signed-off-by: ?ukasz Da?ek <luk0104@gmail.com>
> ---
> arch/arm/cpu/pxa/cpuinfo.c | 11 +++++++++--
> arch/arm/include/asm/arch-pxa/pxa.h | 13 +++++++++++++
> 2 files changed, 22 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/cpu/pxa/cpuinfo.c b/arch/arm/cpu/pxa/cpuinfo.c
> index f1cdd40..bab6340 100644
> --- a/arch/arm/cpu/pxa/cpuinfo.c
> +++ b/arch/arm/cpu/pxa/cpuinfo.c
> @@ -24,9 +24,11 @@
> #include <errno.h>
> #include <linux/compiler.h>
>
> -#define CPU_MASK_PXA_REVID 0x00f
> +#define CPU_MASK_PXA_PRODID 0x000003f0
> +#define CPU_MASK_PXA_REVID 0x0000000f
> +
> +#define CPU_MASK_PRODREV (CPU_MASK_PXA_PRODID |
CPU_MASK_PXA_REVID)
>
> -#define CPU_MASK_PXA_PRODID 0x3f0
> #define CPU_VALUE_PXA25X 0x100
> #define CPU_VALUE_PXA27X 0x110
>
> @@ -51,6 +53,11 @@ int cpu_is_pxa27x(void)
> return id == CPU_VALUE_PXA27X;
> }
>
> +uint32_t pxa_get_cpu_revision(void)
> +{
> + return pxa_get_cpuid() & CPU_MASK_PRODREV;
> +}
> +
> #ifdef CONFIG_DISPLAY_CPUINFO
> static const char *pxa25x_get_revision(void)
> {
> diff --git a/arch/arm/include/asm/arch-pxa/pxa.h
> b/arch/arm/include/asm/arch-pxa/pxa.h index 49c6552..b67d8f2 100644
> --- a/arch/arm/include/asm/arch-pxa/pxa.h
> +++ b/arch/arm/include/asm/arch-pxa/pxa.h
> @@ -22,8 +22,21 @@
> #ifndef __PXA_H__
> #define __PXA_H__
>
> +#define PXA255_A0 0x00000106
> +#define PXA250_C0 0x00000105
> +#define PXA250_B2 0x00000104
> +#define PXA250_B1 0x00000103
> +#define PXA250_B0 0x00000102
> +#define PXA250_A1 0x00000101
> +#define PXA250_A0 0x00000100
> +#define PXA210_C0 0x00000125
> +#define PXA210_B2 0x00000124
> +#define PXA210_B1 0x00000123
> +#define PXA210_B0 0x00000122
> +
> int cpu_is_pxa25x(void);
> int cpu_is_pxa27x(void);
> +uint32_t pxa_get_cpu_revision(void);
> void pxa2xx_dram_init(void);
>
> #endif /* __PXA_H__ */

Best regards,
Marek Vasut