diff options
Diffstat (limited to 'arch/arm/mach-imx/cpu-imx5.c')
| -rw-r--r-- | arch/arm/mach-imx/cpu-imx5.c | 49 |
1 files changed, 4 insertions, 45 deletions
diff --git a/arch/arm/mach-imx/cpu-imx5.c b/arch/arm/mach-imx/cpu-imx5.c index aa15c517d06..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) @@ -111,41 +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); |