[PATCH 1/6] ARM: imx: Introduce generic function for displaying silicon revision

Hi, Sascha,

2011/8/23 Sascha Hauer [off-list ref]:

On Tue, Aug 23, 2011 at 09:07:39PM +0800, Jason Liu wrote:

quoted

From: Fabio Estevam <redacted>

Currently each i.MX processor has its own function for displaying the silicon
revision.

Introduce a generic function for this purpose, so that all i.MX processors can
reuse it.

Signed-off-by: Fabio Estevam <redacted>
---
?arch/arm/plat-mxc/cpu.c ? ? ? ? ? ? ? ? | ? 10 ++++++++++
?arch/arm/plat-mxc/include/mach/common.h | ? ?1 +
?2 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/arch/arm/plat-mxc/cpu.c b/arch/arm/plat-mxc/cpu.c
index 386e0d5..f081ef0 100644
--- a/arch/arm/plat-mxc/cpu.c
+++ b/arch/arm/plat-mxc/cpu.c

@@ -1,5 +1,6 @@

?#include <linux/module.h>
+#include <mach/hardware.h>

?unsigned int __mxc_cpu_type;
?EXPORT_SYMBOL(__mxc_cpu_type);

@@ -9,3 +10,12 @@ void mxc_set_cpu_type(unsigned int type)

? ? ? __mxc_cpu_type = type;
?}

+void imx_print_silicon_rev(const char *cpu, int srev)
+{
+ ? ? if (srev == IMX_CHIP_REVISION_UNKNOWN)
+ ? ? ? ? ? ? pr_info("CPU identified as %s, unknown revision\n", cpu);
+ ? ? else
+ ? ? ? ? ? ? pr_info("CPU identified as %s, silicon rev %d.%d\n",
+ ? ? ? ? ? ? ? ? ? ? ? ? ? ? cpu, (srev >> 4) & 0xf, srev & 0xf);
+}
+EXPORT_SYMBOL(imx_print_silicon_rev);

No Need to export this. It is not supposed to be used by modules.

OK, I will remove it. Thanks,

Sascha

quoted

diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h
index 4e3d978..318e0da 100644
--- a/arch/arm/plat-mxc/include/mach/common.h
+++ b/arch/arm/plat-mxc/include/mach/common.h

@@ -72,4 +72,5 @@ extern void mxc_arch_reset_init(void __iomem *);

?extern void mx51_efikamx_reset(void);
?extern int mx53_revision(void);
?extern int mx53_display_revision(void);
+extern void imx_print_silicon_rev(const char *cpu, int srev);
?#endif
--
1.7.4.1

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