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-rw-r--r--cpu/ppc4xx/start.S102
1 files changed, 101 insertions, 1 deletions
diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S
index 8e000d3..54be37c 100644
--- a/cpu/ppc4xx/start.S
+++ b/cpu/ppc4xx/start.S
@@ -1361,7 +1361,7 @@ ppcSync:
relocate_code:
#if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
- defined(CONFIG_440SPE)
+ defined(CONFIG_440SP) || defined(CONFIG_440SPE)
/*
* On some 440er platforms the cache is enabled in the first TLB (Boot-CS)
* to speed up the boot process. Now this cache needs to be disabled.
@@ -1856,3 +1856,103 @@ pll_wait:
/* execution will continue from the poweron */
/* vector of 0xfffffffc */
#endif /* CONFIG_405EP */
+
+#if defined(CONFIG_440)
+#define function_prolog(func_name) .text; \
+ .align 2; \
+ .globl func_name; \
+ func_name:
+#define function_epilog(func_name) .type func_name,@function; \
+ .size func_name,.-func_name
+
+/*----------------------------------------------------------------------------+
+| mttlb3.
++----------------------------------------------------------------------------*/
+ function_prolog(mttlb3)
+ TLBWE(4,3,2)
+ blr
+ function_epilog(mttlb3)
+
+/*----------------------------------------------------------------------------+
+| mftlb3.
++----------------------------------------------------------------------------*/
+ function_prolog(mftlb3)
+ TLBRE(3,3,2)
+ blr
+ function_epilog(mftlb3)
+
+/*----------------------------------------------------------------------------+
+| mttlb2.
++----------------------------------------------------------------------------*/
+ function_prolog(mttlb2)
+ TLBWE(4,3,1)
+ blr
+ function_epilog(mttlb2)
+
+/*----------------------------------------------------------------------------+
+| mftlb2.
++----------------------------------------------------------------------------*/
+ function_prolog(mftlb2)
+ TLBRE(3,3,1)
+ blr
+ function_epilog(mftlb2)
+
+/*----------------------------------------------------------------------------+
+| mttlb1.
++----------------------------------------------------------------------------*/
+ function_prolog(mttlb1)
+ TLBWE(4,3,0)
+ blr
+ function_epilog(mttlb1)
+
+/*----------------------------------------------------------------------------+
+| mftlb1.
++----------------------------------------------------------------------------*/
+ function_prolog(mftlb1)
+ TLBRE(3,3,0)
+ blr
+ function_epilog(mftlb1)
+
+/*----------------------------------------------------------------------------+
+| dcbz_area.
++----------------------------------------------------------------------------*/
+ function_prolog(dcbz_area)
+ rlwinm. r5,r4,0,27,31
+ rlwinm r5,r4,27,5,31
+ beq ..d_ra2
+ addi r5,r5,0x0001
+..d_ra2:mtctr r5
+..d_ag2:dcbz r0,r3
+ addi r3,r3,32
+ bdnz ..d_ag2
+ sync
+ blr
+ function_epilog(dcbz_area)
+
+/*----------------------------------------------------------------------------+
+| dflush. Assume 32K at vector address is cachable.
++----------------------------------------------------------------------------*/
+ function_prolog(dflush)
+ mfmsr r9
+ rlwinm r8,r9,0,15,13
+ rlwinm r8,r8,0,17,15
+ mtmsr r8
+ addi r3,r0,0x0000
+ mtspr dvlim,r3
+ mfspr r3,ivpr
+ addi r4,r0,1024
+ mtctr r4
+..dflush_loop:
+ lwz r6,0x0(r3)
+ addi r3,r3,32
+ bdnz ..dflush_loop
+ addi r3,r3,-32
+ mtctr r4
+..ag: dcbf r0,r3
+ addi r3,r3,-32
+ bdnz ..ag
+ sync
+ mtmsr r9
+ blr
+ function_epilog(dflush)
+#endif /* CONFIG_440 */