ARM: proc: add definition of cpu_reset for ARMv6 and ARMv7 cores
This patch adds simple definitions of cpu_reset for ARMv6 and ARMv7
cores, which disable the MMU via the SCTLR.
Signed-off-by: Will Deacon <will.deacon@arm.com>
diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S
index 5ec1543..aedf3c5 100644
--- a/arch/arm/mm/proc-v6.S
+++ b/arch/arm/mm/proc-v6.S
@@ -56,6 +56,11 @@
*/
.align 5
ENTRY(cpu_v6_reset)
+ mrc p15, 0, r1, c1, c0, 0 @ ctrl register
+ bic r1, r1, #0x1 @ ...............m
+ mcr p15, 0, r1, c1, c0, 0 @ disable MMU
+ mov r1, #0
+ mcr p15, 0, r1, c7, c5, 4 @ ISB
mov pc, r0
/*