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path: root/drivers/usb/gadget/u_fastboot_mmc.c
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Diffstat (limited to 'drivers/usb/gadget/u_fastboot_mmc.c')
-rw-r--r--drivers/usb/gadget/u_fastboot_mmc.c609
1 files changed, 609 insertions, 0 deletions
diff --git a/drivers/usb/gadget/u_fastboot_mmc.c b/drivers/usb/gadget/u_fastboot_mmc.c
new file mode 100644
index 000000000..2ed64efcc
--- /dev/null
+++ b/drivers/usb/gadget/u_fastboot_mmc.c
@@ -0,0 +1,609 @@
+/*
+ * Copyright (C) 2013 Texas Instruments
+ *
+ * Author : Pankaj Bharadiya <pankaj.bharadiya@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ *
+ * Fastboot is implemented using gadget stack, many of the ideas are
+ * derived from fastboot implemented in OmapZoom by
+ * Tom Rix <Tom.Rix@windriver.com> and Sitara 2011 u-boot by
+ * Mohammed Afzal M A <afzal@ti.com>
+ *
+ * Part of OmapZoom was copied from Android project, Android source
+ * (legacy bootloader) was used indirectly here by using OmapZoom.
+ *
+ * This is Android's Copyright:
+ *
+ * Copyright (C) 2008 The Android Open Source Project
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * 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 AND FITNESS
+ * FOR A PARTICULAR PURPOSE 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.
+ */
+
+#include <common.h>
+#include <command.h>
+#include <usb/fastboot.h>
+#include <linux/usb/ch9.h>
+#include <linux/usb/gadget.h>
+#include "g_fastboot.h"
+#include <environment.h>
+#include <mmc.h>
+#include <sparse_format.h>
+
+#define EFI_VERSION 0x00010000
+#define EFI_ENTRIES 128
+#define EFI_NAMELEN 36
+
+struct partition {
+ const char *name;
+ unsigned size_kb;
+};
+
+/* eMMC partition layout (All sizes are in kB)
+ * Modify the below partition table to change the GPT configuration.
+ * The entry for each partition can be modified as per the requirement.
+ */
+static struct partition partitions[] = {
+ { "-", 128 }, /* Master Boot Record and GUID Partition Table */
+ { "spl", 128 }, /* First stage bootloader */
+ { "bootloader", 512 }, /* Second stage bootloader */
+ { "misc", 128 }, /* Rserved for internal purpose */
+ { "-", 128 }, /* Reserved */
+ { "recovery", 8*1024 }, /* Recovery partition */
+ { "boot", 8*1024 }, /* Partition contains kernel + ramdisk images */
+ { "system", 512*1024 }, /* Android file system */
+ { "cache", 256*1024 }, /* Store Application Cache */
+ { "userdata", 1047*1024 }, /* User data */
+ { "media", 0 }, /* Media files */
+ { 0, 0 },
+};
+
+
+static const u8 partition_type[16] = {
+ 0xa2, 0xa0, 0xd0, 0xeb, 0xe5, 0xb9, 0x33, 0x44,
+ 0x87, 0xc0, 0x68, 0xb6, 0xb7, 0x26, 0x99, 0xc7,
+};
+
+static const u8 random_uuid[16] = {
+ 0xff, 0x1f, 0xf2, 0xf9, 0xd4, 0xa8, 0x0e, 0x5f,
+ 0x97, 0x46, 0x59, 0x48, 0x69, 0xae, 0xc3, 0x4e,
+};
+
+struct efi_entry {
+ u8 type_uuid[16];
+ u8 uniq_uuid[16];
+ u64 first_lba;
+ u64 last_lba;
+ u64 attr;
+ u16 name[EFI_NAMELEN];
+};
+
+struct efi_header {
+ u8 magic[8];
+
+ u32 version;
+ u32 header_sz;
+
+ u32 crc32;
+ u32 reserved;
+
+ u64 header_lba;
+ u64 backup_lba;
+ u64 first_lba;
+ u64 last_lba;
+
+ u8 volume_uuid[16];
+
+ u64 entries_lba;
+
+ u32 entries_count;
+ u32 entries_size;
+ u32 entries_crc32;
+} __attribute__((packed));
+
+struct ptable {
+ u8 mbr[512];
+ union {
+ struct efi_header header;
+ u8 block[512];
+ };
+ struct efi_entry entry[EFI_ENTRIES];
+};
+
+static void init_mbr(u8 *mbr, u32 blocks)
+{
+ mbr[0x1be] = 0x00; /* nonbootable */
+ mbr[0x1bf] = 0xFF; /* bogus CHS */
+ mbr[0x1c0] = 0xFF;
+ mbr[0x1c1] = 0xFF;
+
+ mbr[0x1c2] = 0xEE; /* GPT partition */
+ mbr[0x1c3] = 0xFF; /* bogus CHS */
+ mbr[0x1c4] = 0xFF;
+ mbr[0x1c5] = 0xFF;
+
+ mbr[0x1c6] = 0x01; /* start */
+ mbr[0x1c7] = 0x00;
+ mbr[0x1c8] = 0x00;
+ mbr[0x1c9] = 0x00;
+
+ memcpy(mbr + 0x1ca, &blocks, sizeof(u32));
+
+ mbr[0x1fe] = 0x55;
+ mbr[0x1ff] = 0xaa;
+}
+
+static void start_ptbl(struct ptable *ptbl, unsigned blocks)
+{
+ struct efi_header *hdr = &ptbl->header;
+
+ memset(ptbl, 0, sizeof(*ptbl));
+
+ init_mbr(ptbl->mbr, blocks - 1);
+
+ memcpy(hdr->magic, "EFI PART", 8);
+ hdr->version = EFI_VERSION;
+ hdr->header_sz = sizeof(struct efi_header);
+ hdr->header_lba = 1;
+ hdr->backup_lba = blocks - 1;
+ hdr->first_lba = 34;
+ hdr->last_lba = blocks - 1;
+ memcpy(hdr->volume_uuid, random_uuid, 16);
+ hdr->entries_lba = 2;
+ hdr->entries_count = EFI_ENTRIES;
+ hdr->entries_size = sizeof(struct efi_entry);
+}
+
+static void end_ptbl(struct ptable *ptbl)
+{
+ struct efi_header *hdr = &ptbl->header;
+ u32 n;
+
+ n = crc32(0, 0, 0);
+ n = crc32(n, (void *) ptbl->entry, sizeof(ptbl->entry));
+ hdr->entries_crc32 = n;
+
+ n = crc32(0, 0, 0);
+ n = crc32(0, (void *) &ptbl->header, sizeof(ptbl->header));
+ hdr->crc32 = n;
+}
+
+int add_ptn(struct ptable *ptbl, u64 first, u64 last, const char *name)
+{
+ struct efi_header *hdr = &ptbl->header;
+ struct efi_entry *entry = ptbl->entry;
+ unsigned n;
+
+ if (first < 34) {
+ printf("partition '%s' overlaps partition table\n", name);
+ return -1;
+ }
+
+ if (last > hdr->last_lba) {
+ printf("partition '%s' does not fit\n", name);
+ return -1;
+ }
+ for (n = 0; n < EFI_ENTRIES; n++, entry++) {
+ if (entry->last_lba)
+ continue;
+ memcpy(entry->type_uuid, partition_type, 16);
+ memcpy(entry->uniq_uuid, random_uuid, 16);
+ entry->uniq_uuid[0] = n;
+ entry->first_lba = first;
+ entry->last_lba = last;
+ for (n = 0; (n < EFI_NAMELEN) && *name; n++)
+ entry->name[n] = *name++;
+ return 0;
+ }
+ printf("out of partition table entries\n");
+ return -1;
+}
+
+void import_efi_partition(struct efi_entry *entry)
+{
+ struct fastboot_ptentry e;
+ int n;
+ if (memcmp(entry->type_uuid, partition_type, sizeof(partition_type)))
+ return;
+ for (n = 0; n < (sizeof(e.name)-1); n++)
+ e.name[n] = entry->name[n];
+ e.name[n] = 0;
+ e.start = entry->first_lba;
+ e.length = (entry->last_lba - entry->first_lba + 1) * 512;
+ e.flags = 0;
+
+ if (!strcmp(e.name, "environment"))
+ e.flags |= FASTBOOT_PTENTRY_FLAGS_WRITE_ENV;
+ fastboot_flash_add_ptn(&e);
+
+ if (e.length > 0x100000)
+ printf("%8d %7dM %s\n", e.start, e.length/0x100000, e.name);
+ else
+ printf("%8d %7dK %s\n", e.start, e.length/0x400, e.name);
+}
+
+static int load_ptbl(void)
+{
+ static unsigned char data[512];
+ static struct efi_entry entry[4];
+ int n, m;
+ char source[32], dest[32], length[32];
+
+ char *mmc_read[5] = {"mmc", "read", NULL, NULL, NULL};
+
+ /* read mbr */
+ mmc_read[2] = source;
+ mmc_read[3] = dest;
+ mmc_read[4] = length;
+
+ sprintf(source, "0x%x", data);
+ sprintf(dest, "0x%x", 0x1);
+ sprintf(length, "0x%x", 1);
+
+ if (do_mmcops(NULL, 0, 5, mmc_read)) {
+ printf("Reading boot magic FAILED!\n");
+ return -1;
+ }
+
+ if (memcmp(data, "EFI PART", 8)) {
+ printf("efi partition table not found\n");
+ return -1;
+ }
+ for (n = 0; n < (128/4); n++) {
+
+ /* read partition */
+ source[0] = '\0';
+ dest[0] = '\0';
+ length[0] = '\0';
+ mmc_read[2] = source;
+ mmc_read[3] = dest;
+ mmc_read[4] = length;
+
+ sprintf(source, "0x%x", entry);
+ sprintf(dest, "0x%x", 0x1+n);
+ sprintf(length, "0x%x", 1);
+
+ if (do_mmcops(NULL, 0, 5, mmc_read)) {
+ printf("Reading boot magic FAILED!\n");
+ return -1;
+ }
+ for (m = 0; m < 4; m++)
+ import_efi_partition(entry + m);
+ }
+ return 0;
+}
+
+
+static struct ptable the_ptable;
+
+int do_format(void)
+{
+ struct ptable *ptbl = &the_ptable;
+ unsigned sector_sz, blocks;
+ unsigned next;
+ int n;
+
+ printf("\ndo_format ..!!");
+ /* get mmc info */
+ struct mmc *mmc = find_mmc_device(CONFIG_MMC_FASTBOOT_DEV);
+ if (mmc == 0) {
+ printf("no mmc device at slot %d", CONFIG_MMC_FASTBOOT_DEV);
+ return -1;
+ }
+
+ mmc->has_init = 0;
+ if (mmc_init(mmc)) {
+
+ printf("\n mmc init FAILED");
+ return -1;
+ } else{
+ printf("\nmmc capacity is:0x%x", mmc->capacity);
+ printf("\nmmc: number of blocks:0x%x", mmc->block_dev.lba);
+ printf("\nmmc: block size:0x%x", mmc->block_dev.blksz);
+ }
+
+ blocks = mmc->block_dev.lba;
+ sector_sz = mmc->block_dev.blksz;
+
+ start_ptbl(ptbl, blocks);
+ n = 0;
+ next = 0;
+ for (n = 0, next = 0; partitions[n].name; n++) {
+ /* 10/11 : below line change size from KB to no of blocks */
+ unsigned sz = partitions[n].size_kb*2 ;
+ if (!strcmp(partitions[n].name, "-")) {
+ next += sz;
+ continue;
+ }
+ if (sz == 0)
+ sz = blocks - next;
+ if (add_ptn(ptbl, next, next + sz - 1, partitions[n].name))
+ return -1;
+ next += sz;
+ }
+ end_ptbl(ptbl);
+
+ fastboot_flash_reset_ptn();
+
+ /* 10/11:modified as per PSP release support */
+ char *mmc_write[5] = {"mmc", "write", NULL, NULL, NULL};
+ char source[32], dest[32], length[32];
+
+ char dev[2];
+ char *mmc_dev[3] = {"mmc", "dev", NULL};
+
+ mmc_dev[2] = dev;
+ sprintf(dev,"0x%x", CONFIG_MMC_FASTBOOT_DEV);
+
+ if (do_mmcops(NULL, 0, 3, mmc_dev)) {
+ printf("MMC DEV: %d selection FAILED!\n", CONFIG_MMC_FASTBOOT_DEV);
+ return -1;
+ }
+
+ mmc_write[2] = source;
+ mmc_write[3] = dest;
+ mmc_write[4] = length;
+
+ sprintf(source, "0x%x", (void *)ptbl);
+ sprintf(dest, "0x%x", 0x00);
+ sprintf(length, "0x%x", (sizeof(struct ptable)/512)+1);
+
+ if (do_mmcops(NULL, 0, 5, mmc_write)) {
+ printf("Writing mbr is FAILED!\n");
+ return -1;
+ } else {
+ printf("Writing mbr is DONE!\n");
+ }
+
+ printf("\nnew partition table:\n");
+ load_ptbl();
+
+ return 0;
+}
+
+struct fastboot_config fastboot_cfg;
+
+extern env_t *env_ptr;
+//extern int do_env_save (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+
+static int write_mmc_chunk(unsigned int source, unsigned int dest_sector, unsigned int num_sectors)
+{
+ char s_source[32], s_dest[32], s_length[32];
+ char *mmc_write[5] = {"mmc", "write", NULL, NULL, NULL};
+ char dev[12];
+ char *mmc_dev[3] = {"mmc", "dev", NULL};
+
+ sprintf(s_source, "0x%x", source);
+ sprintf(s_dest, "0x%x", dest_sector);
+ sprintf(s_length, "0x%x", num_sectors);
+ mmc_write[2] = s_source;
+ mmc_write[3] = s_dest;
+ mmc_write[4] = s_length;
+ sprintf(dev,"0x%x", CONFIG_MMC_FASTBOOT_DEV);
+ mmc_dev[2] = dev;
+
+// printf("%s %s %s\n", s_source, s_dest, s_length);
+ if (do_mmcops(NULL, 0, 5, mmc_write)) {
+ return -1;
+ } else {
+ return 0;
+ }
+}
+
+static int flash_mmc_sparse_img(unsigned int ptn_start_sector)
+{
+ void *data;
+ unsigned int chunk;
+ unsigned int chunk_data_sz;
+ sparse_header_t *sparse_header;
+ chunk_header_t *chunk_header;
+ uint32_t total_blocks = 0;
+ uint32_t sectors_per_block;
+
+ data = fastboot_cfg.transfer_buffer;
+ sparse_header = (sparse_header_t *)data;
+#ifdef DEBUG_SPARSE
+ printf("=== Sparse Image Header ===\n");
+ printf("magic: 0x%x\n", sparse_header->magic);
+ printf("major_version: 0x%x\n", sparse_header->major_version);
+ printf("minor_version: 0x%x\n", sparse_header->minor_version);
+ printf("file_hdr_sz: %u\n", sparse_header->file_hdr_sz);
+ printf("chunk_hdr_sz: %u\n", sparse_header->chunk_hdr_sz);
+ printf("blk_sz: %u\n", sparse_header->blk_sz);
+ printf("total_blks: %u\n", sparse_header->total_blks);
+ printf("total_chunks: %u\n", sparse_header->total_chunks);
+#endif
+ data += sparse_header->file_hdr_sz;
+
+ sectors_per_block = sparse_header->blk_sz/512;
+
+ 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);
+#ifdef DEBUG_SPARSE
+ printf("=== Chunk Header ===\n");
+ printf("chunk_type: 0x%x\n", chunk_header->chunk_type);
+ printf("chunk_data_sz: 0x%x\n", chunk_header->chunk_sz);
+ printf("total_size: 0x%x\n", chunk_header->total_sz);
+#endif
+ chunk_data_sz = sparse_header->blk_sz * chunk_header->chunk_sz;
+ switch (chunk_header->chunk_type) {
+ case CHUNK_TYPE_RAW:
+ if (write_mmc_chunk((unsigned int)data,
+ ptn_start_sector + (total_blocks * sectors_per_block),
+ chunk_header->chunk_sz * sectors_per_block) != 0) {
+ return -1;
+ }
+ data += chunk_data_sz;
+ break;
+ case CHUNK_TYPE_DONT_CARE:
+ break;
+ case CHUNK_TYPE_CRC32:
+ break;
+ default:
+ printf("Unknown chunk type\n");
+ return -1;
+ }
+ total_blocks += chunk_header->chunk_sz;
+ }
+ return 0;
+}
+
+int handle_flash(char *part_name, char *response)
+{
+ int status = 0;
+
+ if (fastboot_cfg.download_bytes) {
+ struct fastboot_ptentry *ptn;
+
+ /* Next is the partition name */
+ ptn = fastboot_flash_find_ptn(part_name);
+
+ if (ptn == 0) {
+ printf("Partition:[%s] does not exist\n", part_name);
+ sprintf(response, "FAILpartition does not exist");
+ } else if ((fastboot_cfg.download_bytes > ptn->length) &&
+ !(ptn->flags & FASTBOOT_PTENTRY_FLAGS_WRITE_ENV)) {
+ printf("Image too large for the partition\n");
+ sprintf(response, "FAILimage too large for partition");
+ } else if (ptn->flags & FASTBOOT_PTENTRY_FLAGS_WRITE_ENV) {
+ /* Check if this is not really a flash write,
+ * but instead a saveenv
+ */
+ unsigned int i = 0;
+ /* Env file is expected with a NULL delimeter between
+ * env variables So replace New line Feeds (0x0a) with
+ * NULL (0x00)
+ */
+ for (i = 0; i < fastboot_cfg.download_bytes; i++) {
+ if (fastboot_cfg.transfer_buffer[i] == 0x0a)
+ fastboot_cfg.transfer_buffer[i] = 0x00;
+ }
+ memset(env_ptr->data, 0, ENV_SIZE);
+ memcpy(env_ptr->data, fastboot_cfg.transfer_buffer, fastboot_cfg.download_bytes);
+ //do_env_save(NULL, 0, 1, NULL);
+ printf("saveenv to '%s' DONE!\n", ptn->name);
+ sprintf(response, "OKAY");
+ } else {
+ /* Normal case */
+ sparse_header_t *sparse_header;
+ char source[32], dest[32], length[32];
+ source[0] = '\0';
+ dest[0] = '\0';
+ length[0] = '\0';
+
+ char *mmc_write[5] = {"mmc", "write", NULL, NULL, NULL};
+ char *mmc_init[2] = {"mmc", "rescan",};
+ char dev[12];
+ char *mmc_dev[3] = {"mmc", "dev", NULL};
+
+ mmc_dev[2] = dev;
+ sprintf(dev,"0x%x", CONFIG_MMC_FASTBOOT_DEV);
+
+ if (do_mmcops(NULL, 0, 3, mmc_dev)) {
+ printf("MMC DEV: %d selection FAILED!\n", CONFIG_MMC_FASTBOOT_DEV);
+ return -1;
+ }
+
+ printf("Initializing '%s'\n", ptn->name);
+ if (do_mmcops(NULL, 0, 2, mmc_init))
+ sprintf(response, "FAIL:Init of MMC card");
+ else
+ sprintf(response, "OKAY");
+
+ sparse_header = (sparse_header_t *)fastboot_cfg.transfer_buffer;
+ if (sparse_header->magic == SPARSE_HEADER_MAGIC) {
+ printf("Image is sparse format\n");
+ if (flash_mmc_sparse_img(ptn->start) == 0) {
+ sprintf(response, "OKAY");
+ printf("Writing '%s' DONE!\n", ptn->name);
+ } else {
+ sprintf(response, "FAIL: Write partition");
+ printf("Writing '%s' FAILED!\n", ptn->name);
+ }
+ return 0;
+ }
+
+ mmc_write[2] = source;
+ mmc_write[3] = dest;
+ mmc_write[4] = length;
+
+ sprintf(source, "0x%x", fastboot_cfg.transfer_buffer);
+ sprintf(dest, "0x%x", ptn->start);
+ sprintf(length, "0x%x", (fastboot_cfg.download_bytes/512)+1);
+
+ printf("Writing '%s'\n", ptn->name);
+ if (do_mmcops(NULL, 0, 5, mmc_write)) {
+ printf("Writing '%s' FAILED!\n", ptn->name);
+ sprintf(response, "FAIL: Write partition");
+ } else {
+ printf("Writing '%s' DONE!\n", ptn->name);
+ sprintf(response, "OKAY");
+ }
+ }
+ } else {
+ sprintf(response, "FAILno image downloaded");
+ }
+ return 0;
+}
+
+int board_mmc_fbtptn_init(void)
+{
+ char *mmc_init[2] = {"mmc", "rescan",};
+ char dev[2];
+ char *mmc_dev[3] = {"mmc", "dev", NULL};
+
+ mmc_dev[2] = dev;
+ sprintf(dev,"0x%x", CONFIG_MMC_FASTBOOT_DEV);
+
+ if (do_mmcops(NULL, 0, 3, mmc_dev)) {
+ printf("MMC DEV: %d selection FAILED!\n", CONFIG_MMC_FASTBOOT_DEV);
+ return -1;
+ }
+
+ if (do_mmcops(NULL, 0, 2, mmc_init)) {
+ printf("FAIL:Init of MMC card\n");
+ return 1;
+ }
+
+ printf("Loading efi partition table:\n");
+ return load_ptbl();
+}
+
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