redonkable
/
remarkable-uboot
1
0
Fork 0
Code Releases Activity

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 <timur@freescale.com>
utp
Timur Tabi 2012-03-26 09:49:08 +00:00 committed by Andy Fleming
parent 5d065c3e10
commit 822ad60f1c
1 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
arch/powerpc/cpu/mpc85xx/start.S
View File

@ -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