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Diffstat (limited to 'arch/arm/mach-imx/cpu-imx5.c')
-rw-r--r--arch/arm/mach-imx/cpu-imx5.c39
1 files changed, 0 insertions, 39 deletions
diff --git a/arch/arm/mach-imx/cpu-imx5.c b/arch/arm/mach-imx/cpu-imx5.c
index d88760014ff9..d7ce72252a4e 100644
--- a/arch/arm/mach-imx/cpu-imx5.c
+++ b/arch/arm/mach-imx/cpu-imx5.c
@@ -22,7 +22,6 @@
static int mx5_cpu_rev = -1;
#define IIM_SREV 0x24
-#define MX50_HW_ADADIG_DIGPROG 0xB0
static int get_mx51_srev(void)
{
@@ -108,41 +107,3 @@ int mx53_revision(void)
return mx5_cpu_rev;
}
EXPORT_SYMBOL(mx53_revision);
-
-static int get_mx50_srev(void)
-{
- void __iomem *anatop = ioremap(MX50_ANATOP_BASE_ADDR, SZ_8K);
- u32 rev;
-
- if (!anatop) {
- mx5_cpu_rev = -EINVAL;
- return 0;
- }
-
- rev = readl(anatop + MX50_HW_ADADIG_DIGPROG);
- rev &= 0xff;
-
- iounmap(anatop);
- if (rev == 0x0)
- return IMX_CHIP_REVISION_1_0;
- else if (rev == 0x1)
- return IMX_CHIP_REVISION_1_1;
- return 0;
-}
-
-/*
- * Returns:
- * the silicon revision of the cpu
- * -EINVAL - not a mx50
- */
-int mx50_revision(void)
-{
- if (!cpu_is_mx50())
- return -EINVAL;
-
- if (mx5_cpu_rev == -1)
- mx5_cpu_rev = get_mx50_srev();
-
- return mx5_cpu_rev;
-}
-EXPORT_SYMBOL(mx50_revision);