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| author | Catalin Marinas <catalin.marinas@arm.com> | 2011-02-15 20:06:57 +0300 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-02-19 14:24:28 +0300 |
| commit | 315cfe7835c9a3fe27f15519bdeee8bf0a293e33 (patch) | |
| tree | e8656e0752dd6929198e2eb167eaafa5ced191ee /arch/arm | |
| parent | 32c3fcb08178f6ca14191b22d72760984cfb75cb (diff) | |
| download | linux-315cfe7835c9a3fe27f15519bdeee8bf0a293e33.tar.xz | |
ARM: 6676/1: Correct the cpu_architecture() function for ARMv7
If ID_MMFR0[3:0] >= 3, the architecture version is ARMv7. The code was
currently only testing for ID_MMFR0[3:0] == 3.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/kernel/setup.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 420b8d6485d6..5ea4fb718b97 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -226,8 +226,8 @@ int cpu_architecture(void) * Register 0 and check for VMSAv7 or PMSAv7 */ asm("mrc p15, 0, %0, c0, c1, 4" : "=r" (mmfr0)); - if ((mmfr0 & 0x0000000f) == 0x00000003 || - (mmfr0 & 0x000000f0) == 0x00000030) + if ((mmfr0 & 0x0000000f) >= 0x00000003 || + (mmfr0 & 0x000000f0) >= 0x00000030) cpu_arch = CPU_ARCH_ARMv7; else if ((mmfr0 & 0x0000000f) == 0x00000002 || (mmfr0 & 0x000000f0) == 0x00000020) |