powerpc/kconfig: Kill PPC_MULTIPLATFORM

[karo-tx-linux.git] / arch / powerpc / kernel / head_64.S

diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index b4bcf5a930fafd50a350d6e97bf8cf8cde833764..50ef505b8fb6d0c9bedf58b22978292391ee83fa 100644 (file)
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -1360,6 +1360,7 @@ _GLOBAL(__start_initialization_multiplatform)
        b       .__after_prom_start
 
 _INIT_STATIC(__boot_from_prom)
+#ifdef CONFIG_PPC_OF_BOOT_TRAMPOLINE
        /* Save parameters */
        mr      r31,r3
        mr      r30,r4
@@ -1390,7 +1391,10 @@ _INIT_STATIC(__boot_from_prom)
        /* Do all of the interaction with OF client interface */
        mr      r8,r26
        bl      .prom_init
-       /* We never return */
+#endif /* #CONFIG_PPC_OF_BOOT_TRAMPOLINE */
+
+       /* We never return. We also hit that trap if trying to boot
+        * from OF while CONFIG_PPC_OF_BOOT_TRAMPOLINE isn't selected */
        trap
 
 _STATIC(__after_prom_start)
@@ -1518,6 +1522,15 @@ _GLOBAL(pmac_secondary_start)
        /* turn on 64-bit mode */
        bl      .enable_64b_mode
 
+       li      r0,0
+       mfspr   r3,SPRN_HID4
+       rldimi  r3,r0,40,23     /* clear bit 23 (rm_ci) */
+       sync
+       mtspr   SPRN_HID4,r3
+       isync
+       sync
+       slbia
+
        /* get TOC pointer (real address) */
        bl      .relative_toc