X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=board%2Ffreescale%2Ft104xrdb%2Ft104xrdb.c;h=ddb669fb06c9b8b5e982863477395f9eb971571a;hb=d5f8a6ddd41dee0de17888f8b5334fe1b636c4ca;hp=a5e5fffac4c8fc48da640d8a89b59d389acf234b;hpb=d7782d06534fe4fa47a49fa7c106de5ba85a9687;p=oweals%2Fu-boot.git

diff --git a/board/freescale/t104xrdb/t104xrdb.c b/board/freescale/t104xrdb/t104xrdb.c
index a5e5fffac4..ddb669fb06 100644
--- a/board/freescale/t104xrdb/t104xrdb.c
+++ b/board/freescale/t104xrdb/t104xrdb.c
@@ -48,7 +48,7 @@ int board_early_init_r(void)
 {
 #ifdef CONFIG_SYS_FLASH_BASE
 	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 region to caching-inhibited
@@ -59,8 +59,14 @@ int board_early_init_r(void)
 	flush_dcache();
 	invalidate_icache();
 
-	/* invalidate existing TLB entry for flash */
-	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 = 2;	/* give our best effort to continue */
+	} else {
+		/* invalidate existing TLB entry for flash */
+		disable_tlb(flash_esel);
+	}
 
 	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,