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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-11-23 19:42:09 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-11-23 19:42:09 -0200 |
| commit | 12cbfd0a3c52a52c2948c91b9e62e73c468d1572 (patch) | |
| tree | 9252b3929159a83fc81ca0a48706bfa959660967 /arch/arm/mach-mx5/cpu.c | |
| parent | b32e724308300a6ecead0f4895f0452a06a4291d (diff) | |
| parent | cfcfc9eca2bcbd26a8e206baeb005b055dbf8e37 (diff) | |
| download | talos-obmc-linux-12cbfd0a3c52a52c2948c91b9e62e73c468d1572.tar.gz talos-obmc-linux-12cbfd0a3c52a52c2948c91b9e62e73c468d1572.zip | |
Merge tag 'v3.2-rc2' into staging/for_v3.3
* tag 'v3.2-rc2': (3068 commits)
Linux 3.2-rc2
hfs: add sanity check for file name length
fsl-rio: fix compile error
blackfin: Fixup export.h includes
Blackfin: add serial TX IRQ in individual platform resource
virtio-pci: fix use after free
ACPI / cpuidle: Remove acpi_idle_suspend (to fix suspend regression)
drm/radeon/kms/combios: fix dynamic allocation of PM clock modes
[CPUFREQ] db8500: fix build error due to undeclared i variable
bma023: Add SFI translation for this device
vrtc: change its year offset from 1960 to 1972
ce4100: fix a build error
arm/imx: fix imx6q mmc error when mounting rootfs
arm/imx: fix AUTO_ZRELADDR selection
arm/imx: fix the references to ARCH_MX3
ARM: mx51/53: set pwm clock parent to ipg_perclk
btrfs: rename the option to nospace_cache
drm/radeon/kms/pm: switch to dynamically allocating clock mode array
drm/radeon/kms: optimize r600_pm_profile_init
drm/radeon/kms/pm: add a proper pm profile init function for fusion
...
Conflicts:
drivers/media/radio/Kconfig
Diffstat (limited to 'arch/arm/mach-mx5/cpu.c')
| -rw-r--r-- | arch/arm/mach-mx5/cpu.c | 74 |
1 files changed, 17 insertions, 57 deletions
diff --git a/arch/arm/mach-mx5/cpu.c b/arch/arm/mach-mx5/cpu.c index 86f87da59c64..5c5328257dca 100644 --- a/arch/arm/mach-mx5/cpu.c +++ b/arch/arm/mach-mx5/cpu.c @@ -18,7 +18,7 @@ #include <mach/hardware.h> #include <asm/io.h> -static int cpu_silicon_rev = -1; +static int mx5_cpu_rev = -1; #define IIM_SREV 0x24 #define MX50_HW_ADADIG_DIGPROG 0xB0 @@ -28,11 +28,14 @@ static int get_mx51_srev(void) void __iomem *iim_base = MX51_IO_ADDRESS(MX51_IIM_BASE_ADDR); u32 rev = readl(iim_base + IIM_SREV) & 0xff; - if (rev == 0x0) + switch (rev) { + case 0x0: return IMX_CHIP_REVISION_2_0; - else if (rev == 0x10) + case 0x10: return IMX_CHIP_REVISION_3_0; - return 0; + default: + return IMX_CHIP_REVISION_UNKNOWN; + } } /* @@ -45,33 +48,13 @@ int mx51_revision(void) if (!cpu_is_mx51()) return -EINVAL; - if (cpu_silicon_rev == -1) - cpu_silicon_rev = get_mx51_srev(); + if (mx5_cpu_rev == -1) + mx5_cpu_rev = get_mx51_srev(); - return cpu_silicon_rev; + return mx5_cpu_rev; } EXPORT_SYMBOL(mx51_revision); -void mx51_display_revision(void) -{ - int rev; - char *srev; - rev = mx51_revision(); - - switch (rev) { - case IMX_CHIP_REVISION_2_0: - srev = IMX_CHIP_REVISION_2_0_STRING; - break; - case IMX_CHIP_REVISION_3_0: - srev = IMX_CHIP_REVISION_3_0_STRING; - break; - default: - srev = IMX_CHIP_REVISION_UNKNOWN_STRING; - } - printk(KERN_INFO "CPU identified as i.MX51, silicon rev %s\n", srev); -} -EXPORT_SYMBOL(mx51_display_revision); - #ifdef CONFIG_NEON /* @@ -121,10 +104,10 @@ int mx53_revision(void) if (!cpu_is_mx53()) return -EINVAL; - if (cpu_silicon_rev == -1) - cpu_silicon_rev = get_mx53_srev(); + if (mx5_cpu_rev == -1) + mx5_cpu_rev = get_mx53_srev(); - return cpu_silicon_rev; + return mx5_cpu_rev; } EXPORT_SYMBOL(mx53_revision); @@ -134,7 +117,7 @@ static int get_mx50_srev(void) u32 rev; if (!anatop) { - cpu_silicon_rev = -EINVAL; + mx5_cpu_rev = -EINVAL; return 0; } @@ -159,36 +142,13 @@ int mx50_revision(void) if (!cpu_is_mx50()) return -EINVAL; - if (cpu_silicon_rev == -1) - cpu_silicon_rev = get_mx50_srev(); + if (mx5_cpu_rev == -1) + mx5_cpu_rev = get_mx50_srev(); - return cpu_silicon_rev; + return mx5_cpu_rev; } EXPORT_SYMBOL(mx50_revision); -void mx53_display_revision(void) -{ - int rev; - char *srev; - rev = mx53_revision(); - - switch (rev) { - case IMX_CHIP_REVISION_1_0: - srev = IMX_CHIP_REVISION_1_0_STRING; - break; - case IMX_CHIP_REVISION_2_0: - srev = IMX_CHIP_REVISION_2_0_STRING; - break; - case IMX_CHIP_REVISION_2_1: - srev = IMX_CHIP_REVISION_2_1_STRING; - break; - default: - srev = IMX_CHIP_REVISION_UNKNOWN_STRING; - } - printk(KERN_INFO "CPU identified as i.MX53, silicon rev %s\n", srev); -} -EXPORT_SYMBOL(mx53_display_revision); - static int __init post_cpu_init(void) { unsigned int reg; |

