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-rw-r--r--arch/arm/mach-mx5/cpu.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/cpu.c b/arch/arm/mach-mx5/cpu.c
index 472bdfab2e55..86f87da59c64 100644
--- a/arch/arm/mach-mx5/cpu.c
+++ b/arch/arm/mach-mx5/cpu.c
@@ -166,6 +166,29 @@ int mx50_revision(void)
}
EXPORT_SYMBOL(mx50_revision);
+void mx53_display_revision(void)
+{
+ int rev;
+ char *srev;
+ rev = mx53_revision();
+
+ switch (rev) {
+ case IMX_CHIP_REVISION_1_0:
+ srev = IMX_CHIP_REVISION_1_0_STRING;
+ break;
+ case IMX_CHIP_REVISION_2_0:
+ srev = IMX_CHIP_REVISION_2_0_STRING;
+ break;
+ case IMX_CHIP_REVISION_2_1:
+ srev = IMX_CHIP_REVISION_2_1_STRING;
+ break;
+ default:
+ srev = IMX_CHIP_REVISION_UNKNOWN_STRING;
+ }
+ printk(KERN_INFO "CPU identified as i.MX53, silicon rev %s\n", srev);
+}
+EXPORT_SYMBOL(mx53_display_revision);
+
static int __init post_cpu_init(void)
{
unsigned int reg;
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