X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/af97f0b8dcf1a64d2a49c41eaa4e534eff510939..bee264713c3605130894f9eb4c166d7f729a25a7:/tools/firmware-utils/src/mkzynfw.c

diff --git a/tools/firmware-utils/src/mkzynfw.c b/tools/firmware-utils/src/mkzynfw.c
index 6beb00745..36c176f43 100644
--- a/tools/firmware-utils/src/mkzynfw.c
+++ b/tools/firmware-utils/src/mkzynfw.c
@@ -1,5 +1,4 @@
 /*
- *  $Id$
  *
  *  Copyright (C) 2007-2008 OpenWrt.org
  *  Copyright (C) 2007-2008 Gabor Juhos <juhosg at openwrt.org>
@@ -122,6 +121,9 @@ int num_blocks = 0;
 #define ATHEROS_FLASH_BASE	0xBFC00000
 #define ATHEROS_CODE_START	0x80e00000
 
+#define AR71XX_FLASH_BASE	0xBFC00000
+#define AR71XX_CODE_START	0x81E00000
+
 #define BOARD(n, d, v, m, fb, fs, cs, fo) {		\
 	.name = (n), .desc=(d),				\
 	.vendor = (v), .model = (m),			\
@@ -142,6 +144,15 @@ int num_blocks = 0;
 #define ATHEROSBOARD1(n, d, m, fs) BOARD(n, d, ZYNOS_VENDOR_ID_ZYXEL, m, \
 	ATHEROS_FLASH_BASE, fs, ATHEROS_CODE_START, 0x30000)
 
+#define AR71XXBOARD1(n, d, m, fs) {		\
+	.name = (n), .desc=(d),				\
+	.vendor = (ZYNOS_VENDOR_ID_ZYXEL), .model = (m),			\
+	.flash_base = (AR71XX_FLASH_BASE), .flash_size = (fs)<<20,	\
+	.code_start = (AR71XX_CODE_START), .romio_offs = (0x40000),		\
+	.bootext_size = 0x30000		\
+	}
+
+
 static struct board_info boards[] = {
 	/*
 	 * Infineon/ADMtek ADM5120 based boards
@@ -216,6 +227,11 @@ static struct board_info boards[] = {
 	 */
 	ATHEROSBOARD1("NBG-318S", "ZyXEL NBG-318S", ZYNOS_MODEL_NBG_318S, 4),
 
+	/*
+	 * Atheros ar71xx based boards
+	 */
+	AR71XXBOARD1("NBG-460N", "ZyXEL NBG-460N", ZYNOS_MODEL_NBG_460N, 4),
+
 	{.name = NULL}
 };
 
@@ -564,6 +580,15 @@ write_out_header(FILE *outfile, struct zyn_rombin_hdr *hdr)
 	t.ccsum = HOST_TO_BE16(hdr->ccsum);
 	t.mmap_addr = HOST_TO_BE32(hdr->mmap_addr);
 
+	DBG(2, "hdr.addr      = 0x%08x", hdr->addr);
+	DBG(2, "hdr.type      = 0x%02x", hdr->type);
+	DBG(2, "hdr.osize     = 0x%08x", hdr->osize);
+	DBG(2, "hdr.csize     = 0x%08x", hdr->csize);
+	DBG(2, "hdr.flags     = 0x%02x", hdr->flags);
+	DBG(2, "hdr.ocsum     = 0x%04x", hdr->ocsum);
+	DBG(2, "hdr.ccsum     = 0x%04x", hdr->ccsum);
+	DBG(2, "hdr.mmap_addr = 0x%08x", hdr->mmap_addr);
+
 	return write_out_data(outfile, (uint8_t *)&t, sizeof(t), NULL);
 }
 
@@ -625,6 +650,35 @@ block_stat_file(struct fw_block *block)
 }
 
 
+int
+read_magic(uint16_t *magic)
+{
+	FILE *f;
+	int res;
+
+	errno = 0;
+	f = fopen(bootext_block->file_name,"r");
+	if (errno) {
+		ERRS("unable to open file: %s", bootext_block->file_name);
+		return -1;
+	}
+
+	errno = 0;
+	fread(magic, 2, 1, f);
+	if (errno != 0) {
+		ERRS("unable to read from file: %s", bootext_block->file_name);
+		res = -1;
+		goto err;
+	}
+
+	res = 0;
+
+err:
+	fclose(f);
+	return res;
+}
+
+
 int
 write_out_file(FILE *outfile, char *name, size_t len, struct csum_state *css)
 {
@@ -698,6 +752,8 @@ write_out_image(FILE *outfile)
 	int i, res;
 	uint32_t offset;
 	uint32_t padlen;
+	uint16_t csum;
+	uint16_t t;
 
 	/* setup header fields */
 	memset(&hdr, 0, sizeof(hdr));
@@ -731,19 +787,16 @@ write_out_image(FILE *outfile)
 
 	offset += padlen;
 
-	mmap.addr = board->flash_base + board->romio_offs + offset;
-	hdr.mmap_addr = mmap.addr;
+	mmap.addr = board->flash_base + offset;
 	res = write_out_mmap(outfile, &mmap, &css);
 	if (res)
 		return res;
 
 	offset += MMAP_DATA_SIZE;
-	hdr.osize = offset - sizeof(hdr) - board->romio_offs;
-	hdr.ocsum = csum_get(&css);
 
 	if ((offset - board->romio_offs) < board->bootext_size) {
 		padlen = board->romio_offs + board->bootext_size - offset;
-		res = write_out_padding(outfile, padlen, 0xFF, NULL);
+		res = write_out_padding(outfile, padlen, 0xFF, &css);
 		if (res)
 			return res;
 		offset += padlen;
@@ -758,17 +811,45 @@ write_out_image(FILE *outfile)
 			continue;
 
 		padlen = ALIGN(offset, block->align) - offset;
-		res = write_out_padding(outfile, padlen, 0xFF, NULL);
+		res = write_out_padding(outfile, padlen, 0xFF, &css);
 		if (res)
 			return res;
 		offset += padlen;
 
-		res = write_out_block(outfile, block, NULL);
+		res = write_out_block(outfile, block, &css);
 		if (res)
 			return res;
 		offset += block->file_size;
 	}
 
+	padlen = ALIGN(offset, 4) - offset;
+	res = write_out_padding(outfile, padlen, 0xFF, &css);
+	if (res)
+		return res;
+	offset += padlen;
+
+	csum = csum_get(&css);
+	hdr.mmap_addr = mmap.addr;
+	hdr.osize = 2;
+
+	res = read_magic(&hdr.ocsum);
+	if (res)
+		return res;
+	hdr.ocsum = BE16_TO_HOST(hdr.ocsum);
+
+	if (csum <= hdr.ocsum)
+		t = hdr.ocsum - csum;
+	else
+		t = hdr.ocsum - csum - 1;
+
+	DBG(2, "ocsum=%04x, csum=%04x, fix=%04x", hdr.ocsum, csum, t);
+
+	t = HOST_TO_BE16(t);
+	res = write_out_data(outfile, (uint8_t *)&t, 2, NULL);
+	if (res)
+		return res;
+
+
 	res = write_out_header(outfile, &hdr);
 
 	return res;
@@ -884,7 +965,7 @@ parse_opt_block(char ch, char *arg)
 		}
 	}
 
-	if(block->type == BLOCK_TYPE_BOOTEXT)
+	if (block->type == BLOCK_TYPE_BOOTEXT)
 		return 0;
 
 	p = argv[i++];
@@ -918,12 +999,13 @@ calc_block_offsets(int type, uint32_t *offset)
 			continue;
 
 		next_offs = ALIGN(*offset, block->align);
-		avail = board->flash_size - board->romio_offs - next_offs;
-		if (next_offs + block->file_size > avail) {
+		avail = board->flash_size - next_offs;
+		if (block->file_size > avail) {
 			ERR("file %s is too big, offset = %u, size=%u,"
-				" align = %u", block->file_name,
+				" avail = %u, align = %u", block->file_name,
 				(unsigned)next_offs,
 				(unsigned)block->file_size,
+				(unsigned)avail,
 				(unsigned)block->align);
 			res = -1;
 			break;