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Diffstat (limited to 'arch/arm/mach-imx/cpu-imx5.c')
-rw-r--r--arch/arm/mach-imx/cpu-imx5.c85
1 files changed, 4 insertions, 81 deletions
diff --git a/arch/arm/mach-imx/cpu-imx5.c b/arch/arm/mach-imx/cpu-imx5.c
index 5e2e7a84386..c1c99a72c6a 100644
--- a/arch/arm/mach-imx/cpu-imx5.c
+++ b/arch/arm/mach-imx/cpu-imx5.c
@@ -15,13 +15,14 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>
-#include <mach/hardware.h>
#include <linux/io.h>
+#include "hardware.h"
+#include "common.h"
+
static int mx5_cpu_rev = -1;
#define IIM_SREV 0x24
-#define MX50_HW_ADADIG_DIGPROG 0xB0
static int get_mx51_srev(void)
{
@@ -62,11 +63,8 @@ EXPORT_SYMBOL(mx51_revision);
* Dependent on link order - so the assumption is that vfp_init is called
* before us.
*/
-static int __init mx51_neon_fixup(void)
+int __init mx51_neon_fixup(void)
{
- if (!cpu_is_mx51())
- return 0;
-
if (mx51_revision() < IMX_CHIP_REVISION_3_0 &&
(elf_hwcap & HWCAP_NEON)) {
elf_hwcap &= ~HWCAP_NEON;
@@ -75,7 +73,6 @@ static int __init mx51_neon_fixup(void)
return 0;
}
-late_initcall(mx51_neon_fixup);
#endif
static int get_mx53_srev(void)
@@ -111,77 +108,3 @@ 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);
-
-static int __init post_cpu_init(void)
-{
- unsigned int reg;
- void __iomem *base;
-
- if (cpu_is_mx51() || cpu_is_mx53()) {
- if (cpu_is_mx51())
- base = MX51_IO_ADDRESS(MX51_AIPS1_BASE_ADDR);
- else
- base = MX53_IO_ADDRESS(MX53_AIPS1_BASE_ADDR);
-
- __raw_writel(0x0, base + 0x40);
- __raw_writel(0x0, base + 0x44);
- __raw_writel(0x0, base + 0x48);
- __raw_writel(0x0, base + 0x4C);
- reg = __raw_readl(base + 0x50) & 0x00FFFFFF;
- __raw_writel(reg, base + 0x50);
-
- if (cpu_is_mx51())
- base = MX51_IO_ADDRESS(MX51_AIPS2_BASE_ADDR);
- else
- base = MX53_IO_ADDRESS(MX53_AIPS2_BASE_ADDR);
-
- __raw_writel(0x0, base + 0x40);
- __raw_writel(0x0, base + 0x44);
- __raw_writel(0x0, base + 0x48);
- __raw_writel(0x0, base + 0x4C);
- reg = __raw_readl(base + 0x50) & 0x00FFFFFF;
- __raw_writel(reg, base + 0x50);
- }
-
- return 0;
-}
-
-postcore_initcall(post_cpu_init);