85xx: Improve flash remapping on MPC8572DS & MPC8536DS
Changing the flash from cacheable to cache-inhibited was taking a significant
amount of time due to the fact that we were iterating over the full 256M of
flash. Instead we can just flush the L1 d-cache and invalidate the i-cache.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/board/freescale/mpc8536ds/tlb.c b/board/freescale/mpc8536ds/tlb.c
index 7ccc150..ebf41ce 100644
--- a/board/freescale/mpc8536ds/tlb.c
+++ b/board/freescale/mpc8536ds/tlb.c
@@ -54,7 +54,7 @@
/* W**G* - Flash/promjet, localbus */
/* This will be changed to *I*G* after relocation to RAM. */
SET_TLB_ENTRY(1, CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_BASE,
- MAS3_SX|MAS3_SW|MAS3_SR, MAS2_W|MAS2_G,
+ MAS3_SX|MAS3_SR, MAS2_W|MAS2_G,
0, 1, BOOKE_PAGESZ_256M, 1),
/* *I*G* - PCI */