From: Jon Loeliger Date: Fri, 19 May 2006 18:28:39 +0000 (-0500) Subject: Change arbitration to round-robin for SMP linux. X-Git-Tag: U-Boot-1_1_6~20^2~3^2~56^2~4^2 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=14e37081ff3cac7ebe6e93836523429853b6b292;p=u-boot Change arbitration to round-robin for SMP linux. --- diff --git a/cpu/mpc86xx/start.S b/cpu/mpc86xx/start.S index b96363151d..07e75572b9 100644 --- a/cpu/mpc86xx/start.S +++ b/cpu/mpc86xx/start.S @@ -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)