Merge branch 'master' of git://git.denx.de/u-boot-arm

1 files changed, 243 insertions, 0 deletions

diff --git a/common/aboot.c b/common/aboot.c
new file mode 100644
index 0000000..d5c464b
--- /dev/null
+++ b/common/aboot.c
@@ -0,0 +1,243 @@
+/*
+ * Copyright (c) 2009, Google Inc.
+ * All rights reserved.
+ *
+ * Copyright (c) 2009-2014, The Linux Foundation. All rights reserved.
+ * Portions Copyright 2014 Broadcom Corporation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of The Linux Foundation nor
+ *       the names of its contributors may be used to endorse or promote
+ *       products derived from this software without specific prior written
+ *       permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * NOTE:
+ *   Although it is very similar, this license text is not identical
+ *   to the "BSD-3-Clause", therefore, DO NOT MODIFY THIS LICENSE TEXT!
+ */
+
+#include <config.h>
+#include <common.h>
+#include <aboot.h>
+#include <malloc.h>
+#include <part.h>
+#include <sparse_format.h>
+
+void write_sparse_image(block_dev_desc_t *dev_desc,
+		disk_partition_t *info, const char *part_name,
+		void *data, unsigned sz)
+{
+	lbaint_t blk;
+	lbaint_t blkcnt;
+	lbaint_t blks;
+	uint32_t bytes_written = 0;
+	unsigned int chunk;
+	unsigned int chunk_data_sz;
+	uint32_t *fill_buf = NULL;
+	uint32_t fill_val;
+	sparse_header_t *sparse_header;
+	chunk_header_t *chunk_header;
+	uint32_t total_blocks = 0;
+	int i;
+
+	/* Read and skip over sparse image header */
+	sparse_header = (sparse_header_t *) data;
+
+	data += sparse_header->file_hdr_sz;
+	if (sparse_header->file_hdr_sz > sizeof(sparse_header_t))
+	{
+		/*
+		 * Skip the remaining bytes in a header that is longer than
+		 * we expected.
+		 */
+		data += (sparse_header->file_hdr_sz - sizeof(sparse_header_t));
+	}
+
+	debug("=== Sparse Image Header ===\n");
+	debug("magic: 0x%x\n", sparse_header->magic);
+	debug("major_version: 0x%x\n", sparse_header->major_version);
+	debug("minor_version: 0x%x\n", sparse_header->minor_version);
+	debug("file_hdr_sz: %d\n", sparse_header->file_hdr_sz);
+	debug("chunk_hdr_sz: %d\n", sparse_header->chunk_hdr_sz);
+	debug("blk_sz: %d\n", sparse_header->blk_sz);
+	debug("total_blks: %d\n", sparse_header->total_blks);
+	debug("total_chunks: %d\n", sparse_header->total_chunks);
+
+	/* verify sparse_header->blk_sz is an exact multiple of info->blksz */
+	if (sparse_header->blk_sz !=
+	    (sparse_header->blk_sz & ~(info->blksz - 1))) {
+		printf("%s: Sparse image block size issue [%u]\n",
+		       __func__, sparse_header->blk_sz);
+		fastboot_fail("sparse image block size issue");
+		return;
+	}
+
+	puts("Flashing Sparse Image\n");
+
+	/* Start processing chunks */
+	blk = info->start;
+	for (chunk=0; chunk<sparse_header->total_chunks; chunk++)
+	{
+		/* Read and skip over chunk header */
+		chunk_header = (chunk_header_t *) data;
+		data += sizeof(chunk_header_t);
+
+		if (chunk_header->chunk_type != CHUNK_TYPE_RAW) {
+			debug("=== Chunk Header ===\n");
+			debug("chunk_type: 0x%x\n", chunk_header->chunk_type);
+			debug("chunk_data_sz: 0x%x\n", chunk_header->chunk_sz);
+			debug("total_size: 0x%x\n", chunk_header->total_sz);
+		}
+
+		if (sparse_header->chunk_hdr_sz > sizeof(chunk_header_t))
+		{
+			/*
+			 * Skip the remaining bytes in a header that is longer
+			 * than we expected.
+			 */
+			data += (sparse_header->chunk_hdr_sz -
+				 sizeof(chunk_header_t));
+		}
+
+		chunk_data_sz = sparse_header->blk_sz * chunk_header->chunk_sz;
+		blkcnt = chunk_data_sz / info->blksz;
+		switch (chunk_header->chunk_type)
+		{
+			case CHUNK_TYPE_RAW:
+			if (chunk_header->total_sz !=
+			    (sparse_header->chunk_hdr_sz + chunk_data_sz))
+			{
+				fastboot_fail(
+					"Bogus chunk size for chunk type Raw");
+				return;
+			}
+
+			if (blk + blkcnt > info->start + info->size) {
+				printf(
+				    "%s: Request would exceed partition size!\n",
+				    __func__);
+				fastboot_fail(
+				    "Request would exceed partition size!");
+				return;
+			}
+
+			blks = dev_desc->block_write(dev_desc->dev, blk, blkcnt,
+						     data);
+			if (blks != blkcnt) {
+				printf("%s: Write failed " LBAFU "\n",
+				       __func__, blks);
+				fastboot_fail("flash write failure");
+				return;
+			}
+			blk += blkcnt;
+			bytes_written += blkcnt * info->blksz;
+			total_blocks += chunk_header->chunk_sz;
+			data += chunk_data_sz;
+			break;
+
+			case CHUNK_TYPE_FILL:
+			if (chunk_header->total_sz !=
+			    (sparse_header->chunk_hdr_sz + sizeof(uint32_t)))
+			{
+				fastboot_fail(
+					"Bogus chunk size for chunk type FILL");
+				return;
+			}
+
+			fill_buf = (uint32_t *)
+				   memalign(ARCH_DMA_MINALIGN,
+					    ROUNDUP(info->blksz,
+						    ARCH_DMA_MINALIGN));
+			if (!fill_buf)
+			{
+				fastboot_fail(
+					"Malloc failed for: CHUNK_TYPE_FILL");
+				return;
+			}
+
+			fill_val = *(uint32_t *)data;
+			data = (char *) data + sizeof(uint32_t);
+
+			for (i = 0; i < (info->blksz / sizeof(fill_val)); i++)
+				fill_buf[i] = fill_val;
+
+			if (blk + blkcnt > info->start + info->size) {
+				printf(
+				    "%s: Request would exceed partition size!\n",
+				    __func__);
+				fastboot_fail(
+				    "Request would exceed partition size!");
+				return;
+			}
+
+			for (i = 0; i < blkcnt; i++) {
+				blks = dev_desc->block_write(dev_desc->dev,
+							     blk, 1, fill_buf);
+				if (blks != 1) {
+					printf(
+					    "%s: Write failed, block # " LBAFU "\n",
+					    __func__, blkcnt);
+					fastboot_fail("flash write failure");
+					free(fill_buf);
+					return;
+				}
+				blk++;
+			}
+			bytes_written += blkcnt * info->blksz;
+			total_blocks += chunk_data_sz / sparse_header->blk_sz;
+
+			free(fill_buf);
+			break;
+
+			case CHUNK_TYPE_DONT_CARE:
+			total_blocks += chunk_header->chunk_sz;
+			break;
+
+			case CHUNK_TYPE_CRC32:
+			if (chunk_header->total_sz !=
+			    sparse_header->chunk_hdr_sz)
+			{
+				fastboot_fail(
+					"Bogus chunk size for chunk type Dont Care");
+				return;
+			}
+			total_blocks += chunk_header->chunk_sz;
+			data += chunk_data_sz;
+			break;
+
+			default:
+			printf("%s: Unknown chunk type: %x\n", __func__,
+			       chunk_header->chunk_type);
+			fastboot_fail("Unknown chunk type");
+			return;
+		}
+	}
+
+	debug("Wrote %d blocks, expected to write %d blocks\n",
+	      total_blocks, sparse_header->total_blks);
+	printf("........ wrote %u bytes to '%s'\n", bytes_written, part_name);
+
+	if (total_blocks != sparse_header->total_blks)
+		fastboot_fail("sparse image write failure");
+
+	fastboot_okay("");
+	return;
+}