52 lines
1.4 KiB
Diff
52 lines
1.4 KiB
Diff
From bfefdff8f91aa0a9ff1291d18d54498af276a6e5 Mon Sep 17 00:00:00 2001
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From: Shawn Guo <shawn.guo@linaro.org>
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Date: Tue, 13 Aug 2013 13:54:02 +0800
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Subject: [PATCH] ARM: imx: add soc revision helper functions
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Similar to what we do for cpu type, the patch adds helper functions
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imx_set_soc_revision() and imx_get_soc_revision() to maintain
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imx_soc_revision in cpu.c.
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Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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---
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arch/arm/mach-imx/common.h | 2 ++
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arch/arm/mach-imx/cpu.c | 12 ++++++++++++
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2 files changed, 14 insertions(+)
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--- a/arch/arm/mach-imx/common.h
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+++ b/arch/arm/mach-imx/common.h
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@@ -81,6 +81,8 @@ extern int imx6q_revision(void);
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extern int mx53_display_revision(void);
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extern void imx_set_aips(void __iomem *);
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extern int mxc_device_init(void);
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+void imx_set_soc_revision(unsigned int rev);
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+unsigned int imx_get_soc_revision(void);
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enum mxc_cpu_pwr_mode {
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WAIT_CLOCKED, /* wfi only */
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--- a/arch/arm/mach-imx/cpu.c
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+++ b/arch/arm/mach-imx/cpu.c
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@@ -8,11 +8,23 @@
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unsigned int __mxc_cpu_type;
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EXPORT_SYMBOL(__mxc_cpu_type);
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+static unsigned int imx_soc_revision;
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+
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void mxc_set_cpu_type(unsigned int type)
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{
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__mxc_cpu_type = type;
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}
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+void imx_set_soc_revision(unsigned int rev)
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+{
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+ imx_soc_revision = rev;
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+}
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+
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+unsigned int imx_get_soc_revision(void)
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+{
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+ return imx_soc_revision;
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+}
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+
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void imx_print_silicon_rev(const char *cpu, int srev)
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{
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if (srev == IMX_CHIP_REVISION_UNKNOWN)
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