Merge branches 'release', 'acpi_pm_device_sleep_state' and 'battery' into release

[linux-2.6-omap-h63xx.git] / arch / powerpc / kernel / head_44x.S

diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S
index 88695963f5872ecc444efa6dc204d6f865b1cecb..ad071a146a8df66596376133114f64e50178e001 100644 (file)
--- a/arch/powerpc/kernel/head_44x.S
+++ b/arch/powerpc/kernel/head_44x.S
@@ -50,9 +50,9 @@
  *   r7 - End of kernel command line string
  *
  */
-       .text
-_GLOBAL(_stext)
-_GLOBAL(_start)
+       .section        .text.head, "ax"
+_ENTRY(_stext);
+_ENTRY(_start);
        /*
         * Reserve a word at a fixed location to store the address
         * of abatron_pteptrs
@@ -217,16 +217,6 @@ skpinv:    addi    r4,r4,1                         /* Increment */
        lis     r4,interrupt_base@h     /* IVPR only uses the high 16-bits */
        mtspr   SPRN_IVPR,r4
 
-#ifdef CONFIG_440EP
-       /* Clear DAPUIB flag in CCR0 (enable APU between CPU and FPU) */
-       mfspr   r2,SPRN_CCR0
-       lis     r3,0xffef
-       ori     r3,r3,0xffff
-       and     r2,r2,r3
-       mtspr   SPRN_CCR0,r2
-       isync
-#endif
-
        /*
         * This is where the main kernel code starts.
         */
@@ -299,11 +289,8 @@ interrupt_base:
        CRITICAL_EXCEPTION(0x0100, CriticalInput, unknown_exception)
 
        /* Machine Check Interrupt */
-#ifdef CONFIG_440A
-       MCHECK_EXCEPTION(0x0200, MachineCheck, machine_check_exception)
-#else
        CRITICAL_EXCEPTION(0x0200, MachineCheck, machine_check_exception)
-#endif
+       MCHECK_EXCEPTION(0x0210, MachineCheckA, machine_check_exception)
 
        /* Data Storage Interrupt */
        START_EXCEPTION(DataStorage)
@@ -329,7 +316,7 @@ interrupt_base:
        /* If we are faulting a kernel address, we have to use the
         * kernel page tables.
         */
-       lis     r11, TASK_SIZE@h
+       lis     r11, PAGE_OFFSET@h
        cmplw   r10, r11
        blt+    3f
        lis     r11, swapper_pg_dir@h
@@ -468,7 +455,7 @@ interrupt_base:
        /* If we are faulting a kernel address, we have to use the
         * kernel page tables.
         */
-       lis     r11, TASK_SIZE@h
+       lis     r11, PAGE_OFFSET@h
        cmplw   r10, r11
        blt+    3f
        lis     r11, swapper_pg_dir@h
@@ -538,7 +525,7 @@ interrupt_base:
        /* If we are faulting a kernel address, we have to use the
         * kernel page tables.
         */
-       lis     r11, TASK_SIZE@h
+       lis     r11, PAGE_OFFSET@h
        cmplw   r10, r11
        blt+    3f
        lis     r11, swapper_pg_dir@h
@@ -683,6 +670,15 @@ finish_tlb_load:
  * Global functions
  */
 
+/*
+ * Adjust the machine check IVOR on 440A cores
+ */
+_GLOBAL(__fixup_440A_mcheck)
+       li      r3,MachineCheckA@l
+       mtspr   SPRN_IVOR1,r3
+       sync
+       blr
+
 /*
  * extern void giveup_altivec(struct task_struct *prev)
  *
@@ -732,7 +728,7 @@ empty_zero_page:
  */
        .globl  swapper_pg_dir
 swapper_pg_dir:
-       .space  8192
+       .space  PGD_TABLE_SIZE
 
 /* Reserved 4k for the critical exception stack & 4k for the machine
  * check stack per CPU for kernel mode exceptions */
@@ -743,14 +739,6 @@ exception_stack_bottom:
        .globl  exception_stack_top
 exception_stack_top:
 
-/*
- * This space gets a copy of optional info passed to us by the bootstrap
- * which is used to pass parameters into the kernel like root=/dev/sda1, etc.
- */
-       .globl  cmd_line
-cmd_line:
-       .space  512
-
 /*
  * Room for two PTE pointers, usually the kernel and current user pointers
  * to their respective root page table.