Change arbitration to round-robin for SMP linux.
diff --git a/cpu/mpc86xx/start.S b/cpu/mpc86xx/start.S
index b963631..07e7557 100644
--- a/cpu/mpc86xx/start.S
+++ b/cpu/mpc86xx/start.S
@@ -207,11 +207,7 @@
/* init the L2 cache */
addis r3, r0, L2_INIT@h
ori r3, r3, L2_INIT@l
- sync
mtspr l2cr, r3
-#ifdef CONFIG_ALTIVEC
- dssall
-#endif
/* invalidate the L2 cache */
bl l2cache_invalidate
sync
@@ -245,6 +241,13 @@
bl setup_ccsrbar
#endif
+ /* Fix for SMP linux - Changing arbitration to round-robin */
+ lis r3, CFG_CCSRBAR@h
+ ori r3, r3, 0x1000
+ xor r4, r4, r4
+ li r4, 0x1000
+ stw r4, 0(r3)
+
/* setup the law entries */
bl law_entry
sync
@@ -280,9 +283,9 @@
/* make sure timer enabled in guts register too */
lis r3, CFG_CCSRBAR@h
oris r3,r3, 0xE
- ori r3,r3,0x0070 /*Jason from 3*/
+ ori r3,r3,0x0070
lwz r4, 0(r3)
- lis r5,0xFFFC /*Jason from 0xffff*/
+ lis r5,0xFFFC
ori r5,r5,0x5FFF
and r4,r4,r5
stw r4,0(r3)