Patchwork [U-Boot,1/2] pxa: Add some stuff to examine cpu model and rev

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Submitter Łukasz Dałek
Date Aug. 21, 2012, 2:09 p.m.
Message ID <1345558171-26874-2-git-send-email-luk0104@gmail.com>
Download mbox | patch
Permalink /patch/179073/
State Superseded
Headers show

Comments

Łukasz Dałek - Aug. 21, 2012, 2:09 p.m.
Signed-off-by: Łukasz Dałek <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(-)
Marek Vasut - Aug. 21, 2012, 8:55 p.m.
Dear Łukasz Dałek,

> Signed-off-by: Łukasz Dałek <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(-)

Acked-by: Marek Vasut <marex@denx.de>

I'll push this through the PXA tree.

Best regards,
Marek Vasut

Patch

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__ */