Piotr Ziecik <kosmo@semihalf.com> Due to errors in chipselect management in davinci_nand driver

OpenOCD was able to access only to chips attached to first EMIF
chipselect. This patch fixes chipselect management code and allows
OpenOCD to access to NAND devices attached to any EMIF CS line.

git-svn-id: svn://svn.berlios.de/openocd/trunk@2585 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/flash/davinci_nand.c

@@ -365,7 +365,7 @@ static int davinci_write_page_ecc1(struct nand_device_s *nand, uint32_t page,
 	struct davinci_nand *info = nand->controller_priv;
 	target_t *target = info->target;
 	const uint32_t fcr_addr = info->aemif + NANDFCR;
-	const uint32_t ecc1_addr = info->aemif + NANDFECC + info->chipsel;
+	const uint32_t ecc1_addr = info->aemif + NANDFECC + (4 * info->chipsel);
 	uint32_t fcr, ecc1;
 
 	/* Write contiguous ECC bytes starting at specified offset.
@@ -676,11 +676,11 @@ static int davinci_nand_device_command(struct command_context_s *cmd_ctx,
 			|| aemif == 0x01e10000	/* dm335, dm355 */
 			|| aemif == 0x01d10000	/* dm365 */
 			) {
-		if (chip < 0x0200000 || chip >= 0x0a000000) {
+		if (chip < 0x02000000 || chip >= 0x0a000000) {
 			LOG_ERROR("NAND address %08lx out of range?", chip);
 			goto fail;
 		}
-		chipsel = (chip - 0x02000000) >> 21;
+		chipsel = (chip - 0x02000000) >> 25;
 	} else {
 		LOG_ERROR("unrecognized AEMIF controller address %08lx", aemif);
 		goto fail;