[PATCH] ppc32: add 440ep support

[linux-3.10.git] / arch / ppc / kernel / head_44x.S

diff --git a/arch/ppc/kernel/head_44x.S b/arch/ppc/kernel/head_44x.S
index 72ee8f3..69ff3a9 100644 (file)
--- 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.
         */