53 lines
1.4 KiB
Diff
53 lines
1.4 KiB
Diff
|
From bfefdff8f91aa0a9ff1291d18d54498af276a6e5 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Shawn Guo <shawn.guo@linaro.org>
|
||
|
|
Date: Tue, 13 Aug 2013 13:54:02 +0800
|
||
|
|
Subject: [PATCH] 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: Shawn Guo <shawn.guo@linaro.org>
|
||
|
|
---
|
||
|
|
arch/arm/mach-imx/common.h | 2 ++
|
||
|
|
arch/arm/mach-imx/cpu.c | 12 ++++++++++++
|
||
|
|
2 files changed, 14 insertions(+)
|
||
|
|
|
||
|
|
--- a/arch/arm/mach-imx/common.h
|
||
|
|
+++ b/arch/arm/mach-imx/common.h
|
||
|
|
@@ -81,6 +81,8 @@ 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 */
|
||
|
|
--- a/arch/arm/mach-imx/cpu.c
|
||
|
|
+++ b/arch/arm/mach-imx/cpu.c
|
||
|
|
@@ -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)
|