ramips: fix USW-Flex reversed switch-port order
[openwrt/staging/hauke.git] / tools / firmware-utils / src / mkzynfw.c
index f8c71599d53af8d675ec59c5ecc7651c8ed4ef2e..e856112f1645d2991d973d3d073162d13eacefba 100644 (file)
@@ -1,17 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
- *  $Id$
- *
- *  Copyright (C) 2007 OpenWrt.org
- *  Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
- *
- *  This code was based on the information of the ZyXEL's firmware
- *  image format written by Kolja Waschk, can be found at:
- *  http://www.ixo.de/info/zyxel_uclinux
- *
- *  This program is free software; you can redistribute it and/or modify it
- *  under the terms of the GNU General Public License version 2 as published
- *  by the Free Software Foundation.
  *
+ *  Copyright (C) 2007-2008 OpenWrt.org
+ *  Copyright (C) 2007-2008 Gabor Juhos <juhosg at openwrt.org>
  */
 
 #include <stdio.h>
@@ -28,6 +19,7 @@
 #if defined(__CYGWIN__)
 #  include <byteswap.h>
 #endif
+#include <inttypes.h>
 
 #include "zynos.h"
 
@@ -95,7 +87,8 @@ struct board_info {
        uint32_t flash_base;    /* flash base address */
        uint32_t flash_size;    /* board flash size */
        uint32_t code_start;    /* code start address */
-       uint32_t fw_offs;       /* offset of the firmware within the flash */
+       uint32_t romio_offs;    /* offset of the firmware within the flash */
+       uint32_t bootext_size;  /* maximum size of bootext block */
 };
 
 /*
@@ -121,11 +114,15 @@ int num_blocks = 0;
 #define ATHEROS_FLASH_BASE     0xBFC00000
 #define ATHEROS_CODE_START     0x80e00000
 
-#define BOARD(n, d, v, m, fb, fs, cs, fo) { \
-       .name = (n), .desc=(d), \
-       .vendor = (v), .model = (m), \
-       .flash_base = (fb), .flash_size = (fs)<<20, \
-       .code_start = (cs), .fw_offs = (fo) \
+#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),                    \
+       .flash_base = (fb), .flash_size = (fs)<<20,     \
+       .code_start = (cs), .romio_offs = (fo),         \
+       .bootext_size = BOOTEXT_DEF_SIZE                \
        }
 
 #define ADMBOARD1(n, d, m, fs) BOARD(n, d, ZYNOS_VENDOR_ID_ZYXEL, m, \
@@ -140,6 +137,15 @@ 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
@@ -164,6 +170,18 @@ static struct board_info boards[] = {
        ADMBOARD1("P-335U",     "ZyXEL Prestige 335U", ZYNOS_MODEL_P_335U, 4),
        ADMBOARD1("P-335WT",    "ZyXEL Prestige 335WT", ZYNOS_MODEL_P_335WT, 4),
 
+       {
+               .name           = "P-2602HW-D1A",
+               .desc           = "ZyXEL P-2602HW-D1A",
+               .vendor         = ZYNOS_VENDOR_ID_ZYXEL,
+               .model          = ZYNOS_MODEL_P_2602HW_D1A,
+               .flash_base     = AR7_FLASH_BASE,
+               .flash_size     = 4*1024*1024,
+               .code_start     = 0x94008000,
+               .romio_offs     = 0x20000,
+               .bootext_size   = BOOTEXT_DEF_SIZE,
+       },
+
 #if 0
        /*
         * Texas Instruments AR7 based boards
@@ -193,7 +211,8 @@ static struct board_info boards[] = {
                .flash_base     = AR7_FLASH_BASE,
                .flash_size     = 8*1024*1024,
                .code_start     = 0x94014000,
-               .fw_offs        = 0x40000,
+               .romio_offs     = 0x40000,
+               .bootext_size   = BOOTEXT_DEF_SIZE,
        },
 
        /*
@@ -201,6 +220,11 @@ 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}
 };
 
@@ -412,8 +436,10 @@ csum_init(struct csum_state *css)
 
 
 void
-csum_update(uint8_t *p, uint32_t len, struct csum_state *css)
+csum_update(void *data, uint32_t len, struct csum_state *css)
 {
+       uint8_t *p = data;
+
        if (len == 0)
                return;
 
@@ -467,19 +493,21 @@ csum_buf(uint8_t *p, uint32_t len)
  * routines to write data to the output file
  */
 int
-write_out_data(FILE *outfile, uint8_t *data, size_t len,
+write_out_data(FILE *outfile, void *data, size_t len,
                struct csum_state *css)
 {
+       uint8_t *ptr = data;
+
        errno = 0;
 
-       fwrite(data, len, 1, outfile);
+       fwrite(ptr, len, 1, outfile);
        if (errno) {
                ERR("unable to write output file");
                return -1;
        }
 
        if (css) {
-               csum_update(data, len, css);
+               csum_update(ptr, len, css);
        }
 
        return 0;
@@ -509,7 +537,7 @@ write_out_padding(FILE *outfile, size_t len, uint8_t padc,
 
 
 int
-write_out_data_align(FILE *outfile, uint8_t *data, size_t len, size_t align,
+write_out_data_align(FILE *outfile, void *data, size_t len, size_t align,
                struct csum_state *css)
 {
        size_t padlen;
@@ -549,6 +577,15 @@ 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);
 }
 
@@ -570,7 +607,7 @@ write_out_mmap(FILE *outfile, struct fw_mmap *mmap, struct csum_state *css)
        mh->count=0;
 
        /* Build user data section */
-       data = buf+sizeof(*mh);
+       data = (char *)buf + sizeof(*mh);
        data += sprintf(data, "Vendor 1 %d", board->vendor);
        *data++ = '\0';
        data += sprintf(data, "Model 1 %d", BE16_TO_HOST(board->model));
@@ -610,6 +647,35 @@ 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)
 {
@@ -618,7 +684,7 @@ write_out_file(FILE *outfile, char *name, size_t len, struct csum_state *css)
        FILE *f;
        int res;
 
-       DBG(2, "writing out file, name=%s, len=%d",
+       DBG(2, "writing out file, name=%s, len=%zu",
                name, len);
 
        errno = 0;
@@ -683,6 +749,8 @@ 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));
@@ -690,11 +758,13 @@ write_out_image(FILE *outfile)
        hdr.type = OBJECT_TYPE_BOOTEXT;
        hdr.flags = ROMBIN_FLAG_OCSUM;
 
+       offset = board->romio_offs;
+
        res = write_out_header(outfile, &hdr);
        if (res)
                return res;
 
-       offset = sizeof(hdr);
+       offset += sizeof(hdr);
 
        csum_init(&css);
        res = write_out_block(outfile, bootext_block, &css);
@@ -702,42 +772,81 @@ write_out_image(FILE *outfile)
                return res;
 
        offset += bootext_block->file_size;
+       if (offset > (board->romio_offs + board->bootext_size)) {
+               ERR("bootext file '%s' is too big", bootext_block->file_name);
+               return -1;
+       }
 
-       padlen = ALIGN(offset,MMAP_ALIGN) - offset;
+       padlen = ALIGN(offset, MMAP_ALIGN) - offset;
        res = write_out_padding(outfile, padlen, 0xFF, &css);
        if (res)
                return res;
 
        offset += padlen;
 
-       mmap.addr = board->flash_base + board->fw_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);
-       hdr.ocsum = csum_get(&css);
 
-       for (i=0; i < num_blocks; i++) {
+       if ((offset - board->romio_offs) < board->bootext_size) {
+               padlen = board->romio_offs + board->bootext_size - offset;
+               res = write_out_padding(outfile, padlen, 0xFF, &css);
+               if (res)
+                       return res;
+               offset += padlen;
+
+               DBG(2, "bootext end at %08x", offset);
+       }
+
+       for (i = 0; i < num_blocks; i++) {
                block = &blocks[i];
 
                if (block->type == BLOCK_TYPE_BOOTEXT)
                        continue;
 
-               padlen = ALIGN(offset,block->align) - offset;
-               res = write_out_padding(outfile, padlen, 0xFF, NULL);
+               padlen = ALIGN(offset, block->align) - offset;
+               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;
@@ -809,7 +918,6 @@ parse_opt_block(char ch, char *arg)
 {
        char buf[MAX_ARG_LEN];
        char *argv[MAX_ARG_COUNT];
-       int argc;
        char *p;
        struct fw_block *block;
        int i;
@@ -838,7 +946,7 @@ parse_opt_block(char ch, char *arg)
                break;
        }
 
-       argc = parse_arg(arg, buf, argv);
+       parse_arg(arg, buf, argv);
 
        i = 0;
        p = argv[i++];
@@ -853,7 +961,7 @@ parse_opt_block(char ch, char *arg)
                }
        }
 
-       if(block->type == BLOCK_TYPE_BOOTEXT)
+       if (block->type == BLOCK_TYPE_BOOTEXT)
                return 0;
 
        p = argv[i++];
@@ -876,7 +984,7 @@ calc_block_offsets(int type, uint32_t *offset)
        uint32_t avail;
        int i, res;
 
-       DBG(1,"calculating block offsets, starting with %lu",
+       DBG(1,"calculating block offsets, starting with %" PRIu32,
                *offset);
 
        res = 0;
@@ -887,12 +995,13 @@ calc_block_offsets(int type, uint32_t *offset)
                        continue;
 
                next_offs = ALIGN(*offset, block->align);
-               avail = board->flash_size - board->fw_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;
@@ -921,7 +1030,7 @@ process_blocks(void)
                        return res;
        }
 
-       offset = board->fw_offs + bootext_block->file_size;
+       offset = board->romio_offs + bootext_block->file_size;
        res = calc_block_offsets(BLOCK_TYPE_RAW, &offset);
 
        return res;
@@ -989,7 +1098,6 @@ main(int argc, char *argv[])
                goto out;
        }
 
-
        if (process_blocks() != 0) {
                goto out;
        }