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Commit 059e58f6 authored by Fabio Estevam's avatar Fabio Estevam Committed by Sascha Hauer
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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: default avatarFabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: default avatarJason Liu <jason.hui@linaro.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent fcb8ce5c

arch/arm/plat-mxc/cpu.c

+9 −0
Original line number Diff line number Diff line 


#include <linux/module.h>

#include <mach/hardware.h>



unsigned int __mxc_cpu_type;

EXPORT_SYMBOL(__mxc_cpu_type);
@@ -9,3 +10,11 @@ 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);

}

arch/arm/plat-mxc/include/mach/common.h

+1 −0
Original line number Diff line number Diff line
@@ -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