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>
This commit is contained in:
Родитель
32c3fcb081
Коммит
315cfe7835
|
@ -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)
|
||||
|
|
Загрузка…
Ссылка в новой задаче