LM
/
u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ppc4xx: Invalidate d-cache when used as init-ram 

We need to invalidate the data cache after it has been used as init-ram.

This problem was detected on the lwmon5 update.

Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Stefan Roese 2010-08-31 11:27:14 +02:00
parent c1ab75c7d4
commit f3cac53840
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
arch/powerpc/cpu/ppc4xx/start.S
View File

@ -1459,6 +1459,11 @@ relocate_code:
mtspr SPRN_DTV3,r6 mtspr SPRN_DTV3,r6
msync msync
isync isync
/* Invalidate data cache, now no longer our stack */
dccci 0,0
sync
isync
#endif /* CONFIG_SYS_INIT_RAM_DCACHE */ #endif /* CONFIG_SYS_INIT_RAM_DCACHE */
/* /*