Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg...

[~andy/linux] / arch / powerpc / kernel / head_32.S

diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S
index 2660619246542e91e53d7461c8e33db9687f049b..a1c4cfd25dedb0fee8e01cdddd8ba66f76f0dc88 100644 (file)
--- a/arch/powerpc/kernel/head_32.S
+++ b/arch/powerpc/kernel/head_32.S
@@ -183,7 +183,8 @@ __after_mmu_off:
        bl      reloc_offset
        mr      r26,r3
        addis   r4,r3,KERNELBASE@h      /* current address of _start */
-       cmpwi   0,r4,0                  /* are we already running at 0? */
+       lis     r5,PHYSICAL_START@h
+       cmplw   0,r4,r5                 /* already running at PHYSICAL_START? */
        bne     relocate_kernel
 /*
  * we now have the 1st 16M of ram mapped with the bats.
@@ -811,13 +812,13 @@ giveup_altivec:
 
 /*
  * This code is jumped to from the startup code to copy
- * the kernel image to physical address 0.
+ * the kernel image to physical address PHYSICAL_START.
  */
 relocate_kernel:
        addis   r9,r26,klimit@ha        /* fetch klimit */
        lwz     r25,klimit@l(r9)
        addis   r25,r25,-KERNELBASE@h
-       li      r3,0                    /* Destination base address */
+       lis     r3,PHYSICAL_START@h     /* Destination base address */
        li      r6,0                    /* Destination offset */
        li      r5,0x4000               /* # bytes of memory to copy */
        bl      copy_and_flush          /* copy the first 0x4000 bytes */
@@ -1188,11 +1189,11 @@ mmu_off:
 
 /*
  * Use the first pair of BAT registers to map the 1st 16MB
- * of RAM to KERNELBASE.  From this point on we can't safely
+ * of RAM to PAGE_OFFSET.  From this point on we can't safely
  * call OF any more.
  */
 initial_bats:
-       lis     r11,KERNELBASE@h
+       lis     r11,PAGE_OFFSET@h
        mfspr   r9,SPRN_PVR
        rlwinm  r9,r9,16,16,31          /* r9 = 1 for 601, 4 for 604 */
        cmpwi   0,r9,1