diff options
| author | H. Peter Anvin <hpa@linux.intel.com> | 2013-04-20 09:16:44 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2013-04-20 09:16:44 -0700 |
| commit | f53f292eeaa234615c31a1306babe703fc4263f2 (patch) | |
| tree | 707b0933a20f7dc05495e974243a23b5c9f8c918 /arch/arm/mach-imx/cpu-imx5.c | |
| parent | 15b9c359f288b09003cb70f7ed204affc0c6614d (diff) | |
| parent | a9499fa7cd3fd4824a7202d00c766b269fa3bda6 (diff) | |
Merge remote-tracking branch 'efi/chainsaw' into x86/efi
Resolved Conflicts:
drivers/firmware/efivars.c
fs/efivarsfs/file.c
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/arm/mach-imx/cpu-imx5.c')
| -rw-r--r-- | arch/arm/mach-imx/cpu-imx5.c | 39 |
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); |