kernel-ark/arch/arm/plat-mxc/cpu.c
Fabio Estevam 059e58f6f3 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>
2011-08-26 08:50:58 +02:00

21 lines
446 B
C

#include <linux/module.h>
#include <mach/hardware.h>
unsigned int __mxc_cpu_type;
EXPORT_SYMBOL(__mxc_cpu_type);
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);
}