diff options
Diffstat (limited to 'arch/ppc/kernel/head_44x.S')
| -rw-r--r-- | arch/ppc/kernel/head_44x.S | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/ppc/kernel/head_44x.S b/arch/ppc/kernel/head_44x.S index 72ee8f33bde4..69ff3a9961e8 100644 --- a/arch/ppc/kernel/head_44x.S +++ b/arch/ppc/kernel/head_44x.S @@ -190,7 +190,9 @@ skpinv: addi r4,r4,1 /* Increment */ /* xlat fields */ lis r4,UART0_PHYS_IO_BASE@h /* RPN depends on SoC */ +#ifndef CONFIG_440EP ori r4,r4,0x0001 /* ERPN is 1 for second 4GB page */ +#endif /* attrib fields */ li r5,0 @@ -228,6 +230,16 @@ 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. */ |