X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=board%2Ffreescale%2Ft208xrdb%2Ft208xrdb.c;h=be99fb806dd73648918bd8eaf829912f4b85fb4e;hb=9d0456822c4fec302608d4161ae9d9cfe81100b1;hp=265c1f97ddbb6bb927bc2d24129419100647ab85;hpb=9f5f51540d0d6af03ff22f55b7afc3fda6a4120d;p=u-boot

diff --git a/board/freescale/t208xrdb/t208xrdb.c b/board/freescale/t208xrdb/t208xrdb.c
index 265c1f97dd..be99fb806d 100644
--- a/board/freescale/t208xrdb/t208xrdb.c
+++ b/board/freescale/t208xrdb/t208xrdb.c
@@ -58,7 +58,7 @@ int checkboard(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
 	 * so that flash can be erased properly.
@@ -67,9 +67,14 @@ int board_early_init_r(void)
 	/* Flush d-cache and invalidate i-cache of any FLASH data */
 	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,