ARM: imx: Introduce generic function for displaying silicon revision
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 <fabio.estevam@freescale.com>
Signed-off-by: Jason Liu <jason.hui@linaro.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/plat-mxc/cpu.c b/arch/arm/plat-mxc/cpu.c
index 386e0d5..f5b7e0fa 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 +10,11 @@
__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);
+}