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86xx: Move the clear_tlbs before MMU turn on

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We must invalidate TLBs before MMU turn on, but
currently the code is not, if there are some stale
TLB entry valid in the TLBs, it will cause strange
issue.

Signed-off-by: Dave Liu <daveliu@freescale.com>
Acked-by: Becky Bruce <becky.bruce@freescale.com>
This commit is contained in:
Dave Liu 2008-10-28 17:46:12 +08:00 committed by Jon Loeliger
parent b1d0db1805
commit dc2adad85b
1 changed files with 4 additions and 1 deletions
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5
cpu/mpc86xx/start.S
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@ -202,8 +202,12 @@ boot_warm:
mtmsr 0
#endif
/* Invalidate BATs */
bl invalidate_bats
sync
/* Invalidate all of TLB before MMU turn on */
bl clear_tlbs
sync
#ifdef CONFIG_SYS_L2
/* init the L2 cache */
@ -275,7 +279,6 @@ in_flash:
/* setup the rest of the bats */
bl setup_bats
bl clear_tlbs
sync
#if (CONFIG_SYS_CCSRBAR_DEFAULT != CONFIG_SYS_CCSRBAR)