diff options
| author | Jon Medhurst <tixy@linaro.org> | 2012-09-07 09:28:49 +0100 |
|---|---|---|
| committer | Amit Pundir <amit.pundir@linaro.org> | 2012-09-15 00:46:44 +0530 |
| commit | 9a4442cb9a98455ece5f2dda98db74e76dc2d9b6 (patch) | |
| tree | 8565199e9d00a852d92f3d2cab890ab158747097 | |
| parent | 9b9cabe5ba5937917a23fb85eafff41cdabc3276 (diff) | |
bootwrapper: Get it working for big.LITTLE models
Note, this breaks other models.
Signed-off-by: Jon Medhurst <tixy@linaro.org>
| -rw-r--r-- | boot.S | 15 |
1 files changed, 14 insertions, 1 deletions
@@ -67,6 +67,19 @@ start: mov r0, #0xf0000000 mcr p15, 0, r0, c12, c0, 1 @ Monitor vector base address + @ + @ Turn on CCI snoops + @ + mov r3, #3 + ldr r4, =0x2c090000 + mov r5, #0x4000 @ A15 + str r3, [r4, r5] + mov r5, #0x5000 @ A7 + str r3, [r4, r5] +0: ldr r3, [r4, #0xc] @ status reg + tst r3, #1 + bne 0b + @ Set up hvbar so hvc comes back here. ldr r0, =vectors mov r7, #0xfffffff0 @@ -93,7 +106,7 @@ vectors: into_hyp_mode: @ Check CPU nr again mrc p15, 0, r0, c0, c0, 5 @ MPIDR (ARMv7 only) - and r0, r0, #15 @ CPU number + bfc r0, #24, #8 @ CPU number, taking multicluster into account cmp r0, #0 @ primary CPU? beq 2f |