upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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259 lines
7.8 KiB
259 lines
7.8 KiB
/*
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* Copyright (c) 2009, Google Inc.
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* All rights reserved.
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*
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* Copyright (c) 2009-2014, The Linux Foundation. All rights reserved.
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* Portions Copyright 2014 Broadcom Corporation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of The Linux Foundation nor
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* the names of its contributors may be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* NOTE:
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* Although it is very similar, this license text is not identical
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* to the "BSD-3-Clause", therefore, DO NOT MODIFY THIS LICENSE TEXT!
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*/
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#include <config.h>
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#include <common.h>
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#include <image-sparse.h>
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#include <div64.h>
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#include <malloc.h>
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#include <part.h>
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#include <sparse_format.h>
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#include <linux/math64.h>
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#ifndef CONFIG_FASTBOOT_FLASH_FILLBUF_SIZE
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#define CONFIG_FASTBOOT_FLASH_FILLBUF_SIZE (1024 * 512)
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#endif
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static void default_log(const char *ignored) {}
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int write_sparse_image(struct sparse_storage *info,
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const char *part_name, void *data)
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{
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lbaint_t blk;
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lbaint_t blkcnt;
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lbaint_t blks;
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uint32_t bytes_written = 0;
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unsigned int chunk;
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unsigned int offset;
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unsigned int chunk_data_sz;
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uint32_t *fill_buf = NULL;
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uint32_t fill_val;
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sparse_header_t *sparse_header;
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chunk_header_t *chunk_header;
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uint32_t total_blocks = 0;
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int fill_buf_num_blks;
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int i;
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int j;
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fill_buf_num_blks = CONFIG_FASTBOOT_FLASH_FILLBUF_SIZE / info->blksz;
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/* Read and skip over sparse image header */
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sparse_header = (sparse_header_t *)data;
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data += sparse_header->file_hdr_sz;
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if (sparse_header->file_hdr_sz > sizeof(sparse_header_t)) {
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/*
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* Skip the remaining bytes in a header that is longer than
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* we expected.
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*/
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data += (sparse_header->file_hdr_sz - sizeof(sparse_header_t));
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}
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if (!info->mssg)
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info->mssg = default_log;
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debug("=== Sparse Image Header ===\n");
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debug("magic: 0x%x\n", sparse_header->magic);
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debug("major_version: 0x%x\n", sparse_header->major_version);
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debug("minor_version: 0x%x\n", sparse_header->minor_version);
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debug("file_hdr_sz: %d\n", sparse_header->file_hdr_sz);
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debug("chunk_hdr_sz: %d\n", sparse_header->chunk_hdr_sz);
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debug("blk_sz: %d\n", sparse_header->blk_sz);
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debug("total_blks: %d\n", sparse_header->total_blks);
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debug("total_chunks: %d\n", sparse_header->total_chunks);
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/*
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* Verify that the sparse block size is a multiple of our
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* storage backend block size
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*/
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div_u64_rem(sparse_header->blk_sz, info->blksz, &offset);
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if (offset) {
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printf("%s: Sparse image block size issue [%u]\n",
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__func__, sparse_header->blk_sz);
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info->mssg("sparse image block size issue");
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return -1;
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}
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puts("Flashing Sparse Image\n");
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/* Start processing chunks */
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blk = info->start;
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for (chunk = 0; chunk < sparse_header->total_chunks; chunk++) {
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/* Read and skip over chunk header */
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chunk_header = (chunk_header_t *)data;
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data += sizeof(chunk_header_t);
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if (chunk_header->chunk_type != CHUNK_TYPE_RAW) {
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debug("=== Chunk Header ===\n");
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debug("chunk_type: 0x%x\n", chunk_header->chunk_type);
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debug("chunk_data_sz: 0x%x\n", chunk_header->chunk_sz);
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debug("total_size: 0x%x\n", chunk_header->total_sz);
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}
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if (sparse_header->chunk_hdr_sz > sizeof(chunk_header_t)) {
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/*
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* Skip the remaining bytes in a header that is longer
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* than we expected.
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*/
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data += (sparse_header->chunk_hdr_sz -
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sizeof(chunk_header_t));
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}
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chunk_data_sz = sparse_header->blk_sz * chunk_header->chunk_sz;
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blkcnt = chunk_data_sz / info->blksz;
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switch (chunk_header->chunk_type) {
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case CHUNK_TYPE_RAW:
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if (chunk_header->total_sz !=
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(sparse_header->chunk_hdr_sz + chunk_data_sz)) {
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info->mssg("Bogus chunk size for chunk type Raw");
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return -1;
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}
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if (blk + blkcnt > info->start + info->size) {
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printf(
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"%s: Request would exceed partition size!\n",
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__func__);
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info->mssg("Request would exceed partition size!");
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return -1;
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}
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blks = info->write(info, blk, blkcnt, data);
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/* blks might be > blkcnt (eg. NAND bad-blocks) */
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if (blks < blkcnt) {
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printf("%s: %s" LBAFU " [" LBAFU "]\n",
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__func__, "Write failed, block #",
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blk, blks);
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info->mssg("flash write failure");
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return -1;
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}
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blk += blks;
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bytes_written += blkcnt * info->blksz;
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total_blocks += chunk_header->chunk_sz;
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data += chunk_data_sz;
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break;
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case CHUNK_TYPE_FILL:
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if (chunk_header->total_sz !=
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(sparse_header->chunk_hdr_sz + sizeof(uint32_t))) {
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info->mssg("Bogus chunk size for chunk type FILL");
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return -1;
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}
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fill_buf = (uint32_t *)
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memalign(ARCH_DMA_MINALIGN,
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ROUNDUP(
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info->blksz * fill_buf_num_blks,
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ARCH_DMA_MINALIGN));
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if (!fill_buf) {
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info->mssg("Malloc failed for: CHUNK_TYPE_FILL");
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return -1;
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}
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fill_val = *(uint32_t *)data;
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data = (char *)data + sizeof(uint32_t);
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for (i = 0;
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i < (info->blksz * fill_buf_num_blks /
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sizeof(fill_val));
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i++)
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fill_buf[i] = fill_val;
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if (blk + blkcnt > info->start + info->size) {
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printf(
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"%s: Request would exceed partition size!\n",
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__func__);
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info->mssg("Request would exceed partition size!");
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return -1;
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}
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for (i = 0; i < blkcnt;) {
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j = blkcnt - i;
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if (j > fill_buf_num_blks)
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j = fill_buf_num_blks;
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blks = info->write(info, blk, j, fill_buf);
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/* blks might be > j (eg. NAND bad-blocks) */
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if (blks < j) {
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printf("%s: %s " LBAFU " [%d]\n",
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__func__,
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"Write failed, block #",
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blk, j);
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info->mssg("flash write failure");
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free(fill_buf);
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return -1;
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}
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blk += blks;
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i += j;
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}
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bytes_written += blkcnt * info->blksz;
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total_blocks += chunk_data_sz / sparse_header->blk_sz;
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free(fill_buf);
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break;
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case CHUNK_TYPE_DONT_CARE:
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blk += info->reserve(info, blk, blkcnt);
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total_blocks += chunk_header->chunk_sz;
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break;
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case CHUNK_TYPE_CRC32:
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if (chunk_header->total_sz !=
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sparse_header->chunk_hdr_sz) {
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info->mssg("Bogus chunk size for chunk type Dont Care");
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return -1;
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}
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total_blocks += chunk_header->chunk_sz;
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data += chunk_data_sz;
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break;
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default:
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printf("%s: Unknown chunk type: %x\n", __func__,
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chunk_header->chunk_type);
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info->mssg("Unknown chunk type");
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return -1;
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}
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}
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debug("Wrote %d blocks, expected to write %d blocks\n",
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total_blocks, sparse_header->total_blks);
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printf("........ wrote %u bytes to '%s'\n", bytes_written, part_name);
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if (total_blocks != sparse_header->total_blks) {
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info->mssg("sparse image write failure");
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return -1;
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}
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return 0;
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}
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