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Change arbitration to round-robin for SMP linux.

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This commit is contained in:
Jon Loeliger 2006-05-19 13:28:39 -05:00
parent 9a655876e5
commit 14e37081ff
1 changed files with 9 additions and 6 deletions
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15
cpu/mpc86xx/start.S
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@ -207,11 +207,7 @@ boot_warm:
/* 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 @@ in_flash:
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 @@ in_flash:
/* 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)