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Commit bfefdff8 authored by Shawn Guo's avatar Shawn Guo
Browse files

ARM: imx: add soc revision helper functions 



Similar to what we do for cpu type, the patch adds helper functions
imx_set_soc_revision() and imx_get_soc_revision() to maintain
imx_soc_revision in cpu.c.

Signed-off-by: default avatarShawn Guo <shawn.guo@linaro.org>
parent c7c3eac6

arch/arm/mach-imx/common.h

+2 −0
Original line number Diff line number Diff line
@@ -77,6 +77,8 @@ extern int imx6q_revision(void); 
extern int mx53_display_revision(void);

extern void imx_set_aips(void __iomem *);

extern int mxc_device_init(void);

void imx_set_soc_revision(unsigned int rev);

unsigned int imx_get_soc_revision(void);



enum mxc_cpu_pwr_mode {

	WAIT_CLOCKED,		/* wfi only */

arch/arm/mach-imx/cpu.c

+12 −0
Original line number Diff line number Diff line
@@ -8,11 +8,23 @@ 
unsigned int __mxc_cpu_type;

EXPORT_SYMBOL(__mxc_cpu_type);



static unsigned int imx_soc_revision;



void mxc_set_cpu_type(unsigned int type)

{

	__mxc_cpu_type = type;

}



void imx_set_soc_revision(unsigned int rev)

{

	imx_soc_revision = rev;

}



unsigned int imx_get_soc_revision(void)

{

	return imx_soc_revision;

}



void imx_print_silicon_rev(const char *cpu, int srev)

{

	if (srev == IMX_CHIP_REVISION_UNKNOWN)