From: Timur Tabi Date: Mon, 26 Mar 2012 09:49:08 +0000 (+0000) Subject: powerpc/85xx: don't touch MAS7 on e500v1 when relocating CCSR X-Git-Tag: v2012.07-rc1~151^2^2 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=822ad60f1c37a79659dc5889eb2993a462c9a95f;p=u-boot powerpc/85xx: don't touch MAS7 on e500v1 when relocating CCSR The CCSR relocation code in start.S writes to MAS7 on all e500 parts, but that register does not exist on e500v1. Signed-off-by: Timur Tabi --- diff --git a/arch/powerpc/cpu/mpc85xx/start.S b/arch/powerpc/cpu/mpc85xx/start.S index 7bfa2d5630..8e99ef6c68 100644 --- a/arch/powerpc/cpu/mpc85xx/start.S +++ b/arch/powerpc/cpu/mpc85xx/start.S @@ -443,13 +443,15 @@ create_ccsr_new_tlb: ori r2, r2, FSL_BOOKE_MAS2(CONFIG_SYS_CCSRBAR, (MAS2_I|MAS2_G))@l lis r3, FSL_BOOKE_MAS3(CONFIG_SYS_CCSRBAR_PHYS_LOW, 0, (MAS3_SW|MAS3_SR))@h ori r3, r3, FSL_BOOKE_MAS3(CONFIG_SYS_CCSRBAR_PHYS_LOW, 0, (MAS3_SW|MAS3_SR))@l +#ifdef CONFIG_ENABLE_36BIT_PHYS lis r7, CONFIG_SYS_CCSRBAR_PHYS_HIGH@h ori r7, r7, CONFIG_SYS_CCSRBAR_PHYS_HIGH@l + mtspr MAS7, r7 +#endif mtspr MAS0, r0 mtspr MAS1, r1 mtspr MAS2, r2 mtspr MAS3, r3 - mtspr MAS7, r7 isync msync tlbwe @@ -465,12 +467,14 @@ create_ccsr_old_tlb: ori r2, r2, FSL_BOOKE_MAS2(CONFIG_SYS_CCSRBAR + 0x1000, (MAS2_I|MAS2_G))@l lis r3, FSL_BOOKE_MAS3(CONFIG_SYS_CCSRBAR_DEFAULT, 0, (MAS3_SW|MAS3_SR))@h ori r3, r3, FSL_BOOKE_MAS3(CONFIG_SYS_CCSRBAR_DEFAULT, 0, (MAS3_SW|MAS3_SR))@l +#ifdef CONFIG_ENABLE_36BIT_PHYS li r7, 0 /* The default CCSR address is always a 32-bit number */ + mtspr MAS7, r7 +#endif mtspr MAS0, r0 /* MAS1 is the same as above */ mtspr MAS2, r2 mtspr MAS3, r3 - mtspr MAS7, r7 isync msync tlbwe