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Diffstat (limited to 'board/freescale/mpc8536ds/mpc8536ds.c')
-rw-r--r--board/freescale/mpc8536ds/mpc8536ds.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/board/freescale/mpc8536ds/mpc8536ds.c b/board/freescale/mpc8536ds/mpc8536ds.c
index 467f4f2..93eed59 100644
--- a/board/freescale/mpc8536ds/mpc8536ds.c
+++ b/board/freescale/mpc8536ds/mpc8536ds.c
@@ -196,7 +196,7 @@ void pci_init_board(void)
int board_early_init_r(void)
{
const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
- const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);
+ int flash_esel = find_tlb_idx((void *)flashbase, 1);
/*
* Remap Boot flash + PROMJET region to caching-inhibited
@@ -207,8 +207,14 @@ int board_early_init_r(void)
flush_dcache();
invalidate_icache();
- /* invalidate existing TLB entry for flash + promjet */
- disable_tlb(flash_esel);
+ if (flash_esel == -1) {
+ /* very unlikely unless something is messed up */
+ puts("Error: Could not find TLB for FLASH BASE\n");
+ flash_esel = 1; /* give our best effort to continue */
+ } else {
+ /* invalidate existing TLB entry for flash + promjet */
+ disable_tlb(flash_esel);
+ }
set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, /* tlb, epn, rpn */
MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, /* perms, wimge */