X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=board%2Ffreescale%2Ft4qds%2Ft4240qds.c;h=c5161c80b69e10288b69673b67f6c8da3fa71f49;hb=9d0456822c4fec302608d4161ae9d9cfe81100b1;hp=fe1bc7f08df918eeb01ed0be831ab2ed91bab195;hpb=94752f60eb0d17d30dd1dbc81dac42d9119f5b36;p=u-boot

diff --git a/board/freescale/t4qds/t4240qds.c b/board/freescale/t4qds/t4240qds.c
index fe1bc7f08d..c5161c80b6 100644
--- a/board/freescale/t4qds/t4240qds.c
+++ b/board/freescale/t4qds/t4240qds.c
@@ -528,7 +528,7 @@ int config_backside_crossbar_mux(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
@@ -539,8 +539,14 @@ 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 = 2;	/* 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,
 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,