#include <common.h>
#include <blk.h>
#include <fastboot.h>
+#include <fastboot-internal.h>
#include <fb_mmc.h>
#include <image-sparse.h>
#include <part.h>
#include <linux/compat.h>
#include <android_image.h>
-/*
- * FIXME: Ensure we always set these names via Kconfig once xxx_PARTITION is
- * migrated
- */
-#ifndef CONFIG_FASTBOOT_GPT_NAME
-#define CONFIG_FASTBOOT_GPT_NAME "gpt"
-#endif
-
-
-#ifndef CONFIG_FASTBOOT_MBR_NAME
-#define CONFIG_FASTBOOT_MBR_NAME "mbr"
-#endif
+#define FASTBOOT_MAX_BLK_WRITE 16384
#define BOOT_PARTITION_NAME "boot"
return ret;
}
+/**
+ * fb_mmc_blk_write() - Write/erase MMC in chunks of FASTBOOT_MAX_BLK_WRITE
+ *
+ * @block_dev: Pointer to block device
+ * @start: First block to write/erase
+ * @blkcnt: Count of blocks
+ * @buffer: Pointer to data buffer for write or NULL for erase
+ */
+static lbaint_t fb_mmc_blk_write(struct blk_desc *block_dev, lbaint_t start,
+ lbaint_t blkcnt, const void *buffer)
+{
+ lbaint_t blk = start;
+ lbaint_t blks_written;
+ lbaint_t cur_blkcnt;
+ lbaint_t blks = 0;
+ int i;
+
+ for (i = 0; i < blkcnt; i += FASTBOOT_MAX_BLK_WRITE) {
+ cur_blkcnt = min((int)blkcnt - i, FASTBOOT_MAX_BLK_WRITE);
+ if (buffer) {
+ if (fastboot_progress_callback)
+ fastboot_progress_callback("writing");
+ blks_written = blk_dwrite(block_dev, blk, cur_blkcnt,
+ buffer + (i * block_dev->blksz));
+ } else {
+ if (fastboot_progress_callback)
+ fastboot_progress_callback("erasing");
+ blks_written = blk_derase(block_dev, blk, cur_blkcnt);
+ }
+ blk += blks_written;
+ blks += blks_written;
+ }
+ return blks;
+}
+
static lbaint_t fb_mmc_sparse_write(struct sparse_storage *info,
lbaint_t blk, lbaint_t blkcnt, const void *buffer)
{
struct fb_mmc_sparse *sparse = info->priv;
struct blk_desc *dev_desc = sparse->dev_desc;
- return blk_dwrite(dev_desc, blk, blkcnt, buffer);
+ return fb_mmc_blk_write(dev_desc, blk, blkcnt, buffer);
}
static lbaint_t fb_mmc_sparse_reserve(struct sparse_storage *info,
static void write_raw_image(struct blk_desc *dev_desc, disk_partition_t *info,
const char *part_name, void *buffer,
- unsigned int download_bytes)
+ u32 download_bytes, char *response)
{
lbaint_t blkcnt;
lbaint_t blks;
if (blkcnt > info->size) {
pr_err("too large for partition: '%s'\n", part_name);
- fastboot_fail("too large for partition");
+ fastboot_fail("too large for partition", response);
return;
}
puts("Flashing Raw Image\n");
- blks = blk_dwrite(dev_desc, info->start, blkcnt, buffer);
+ blks = fb_mmc_blk_write(dev_desc, info->start, blkcnt, buffer);
+
if (blks != blkcnt) {
pr_err("failed writing to device %d\n", dev_desc->devnum);
- fastboot_fail("failed writing to device");
+ fastboot_fail("failed writing to device", response);
return;
}
printf("........ wrote " LBAFU " bytes to '%s'\n", blkcnt * info->blksz,
part_name);
- fastboot_okay("");
+ fastboot_okay(NULL, response);
}
#ifdef CONFIG_ANDROID_BOOT_IMAGE
*/
static lbaint_t fb_mmc_get_boot_header(struct blk_desc *dev_desc,
disk_partition_t *info,
- struct andr_img_hdr *hdr)
+ struct andr_img_hdr *hdr,
+ char *response)
{
ulong sector_size; /* boot partition sector size */
lbaint_t hdr_sectors; /* boot image header sectors count */
sector_size = info->blksz;
hdr_sectors = DIV_ROUND_UP(sizeof(struct andr_img_hdr), sector_size);
if (hdr_sectors == 0) {
- pr_err("invalid number of boot sectors: 0");
- fastboot_fail("invalid number of boot sectors: 0");
+ pr_err("invalid number of boot sectors: 0\n");
+ fastboot_fail("invalid number of boot sectors: 0", response);
return 0;
}
/* Read the boot image header */
res = blk_dread(dev_desc, info->start, hdr_sectors, (void *)hdr);
if (res != hdr_sectors) {
- pr_err("cannot read header from boot partition");
- fastboot_fail("cannot read header from boot partition");
+ pr_err("cannot read header from boot partition\n");
+ fastboot_fail("cannot read header from boot partition",
+ response);
return 0;
}
/* Check boot header magic string */
res = android_image_check_header(hdr);
if (res != 0) {
- pr_err("bad boot image magic");
- fastboot_fail("boot partition not initialized");
+ pr_err("bad boot image magic\n");
+ fastboot_fail("boot partition not initialized", response);
return 0;
}
*/
static int fb_mmc_update_zimage(struct blk_desc *dev_desc,
void *download_buffer,
- unsigned int download_bytes)
+ u32 download_bytes,
+ char *response)
{
uintptr_t hdr_addr; /* boot image header address */
struct andr_img_hdr *hdr; /* boot image header */
/* Get boot partition info */
res = part_get_info_by_name(dev_desc, BOOT_PARTITION_NAME, &info);
if (res < 0) {
- pr_err("cannot find boot partition");
- fastboot_fail("cannot find boot partition");
+ pr_err("cannot find boot partition\n");
+ fastboot_fail("cannot find boot partition", response);
return -1;
}
hdr = (struct andr_img_hdr *)hdr_addr;
/* Read boot image header */
- hdr_sectors = fb_mmc_get_boot_header(dev_desc, &info, hdr);
+ hdr_sectors = fb_mmc_get_boot_header(dev_desc, &info, hdr, response);
if (hdr_sectors == 0) {
- pr_err("unable to read boot image header");
- fastboot_fail("unable to read boot image header");
+ pr_err("unable to read boot image header\n");
+ fastboot_fail("unable to read boot image header", response);
return -1;
}
/* Check if boot image has second stage in it (we don't support it) */
if (hdr->second_size > 0) {
- pr_err("moving second stage is not supported yet");
- fastboot_fail("moving second stage is not supported yet");
+ pr_err("moving second stage is not supported yet\n");
+ fastboot_fail("moving second stage is not supported yet",
+ response);
return -1;
}
res = blk_dread(dev_desc, ramdisk_sector_start, ramdisk_sectors,
ramdisk_buffer);
if (res != ramdisk_sectors) {
- pr_err("cannot read ramdisk from boot partition");
- fastboot_fail("cannot read ramdisk from boot partition");
+ pr_err("cannot read ramdisk from boot partition\n");
+ fastboot_fail("cannot read ramdisk from boot partition",
+ response);
return -1;
}
hdr->kernel_size = download_bytes;
res = blk_dwrite(dev_desc, info.start, hdr_sectors, (void *)hdr);
if (res == 0) {
- pr_err("cannot writeback boot image header");
- fastboot_fail("cannot write back boot image header");
+ pr_err("cannot writeback boot image header\n");
+ fastboot_fail("cannot write back boot image header", response);
return -1;
}
res = blk_dwrite(dev_desc, kernel_sector_start, kernel_sectors,
download_buffer);
if (res == 0) {
- pr_err("cannot write new kernel");
- fastboot_fail("cannot write new kernel");
+ pr_err("cannot write new kernel\n");
+ fastboot_fail("cannot write new kernel", response);
return -1;
}
res = blk_dwrite(dev_desc, ramdisk_sector_start, ramdisk_sectors,
ramdisk_buffer);
if (res == 0) {
- pr_err("cannot write back original ramdisk");
- fastboot_fail("cannot write back original ramdisk");
+ pr_err("cannot write back original ramdisk\n");
+ fastboot_fail("cannot write back original ramdisk", response);
return -1;
}
puts("........ zImage was updated in boot partition\n");
- fastboot_okay("");
+ fastboot_okay(NULL, response);
return 0;
}
#endif
-void fb_mmc_flash_write(const char *cmd, void *download_buffer,
- unsigned int download_bytes)
+/**
+ * fastboot_mmc_get_part_info() - Lookup eMMC partion by name
+ *
+ * @part_name: Named partition to lookup
+ * @dev_desc: Pointer to returned blk_desc pointer
+ * @part_info: Pointer to returned disk_partition_t
+ * @response: Pointer to fastboot response buffer
+ */
+int fastboot_mmc_get_part_info(char *part_name, struct blk_desc **dev_desc,
+ disk_partition_t *part_info, char *response)
+{
+ int r;
+
+ *dev_desc = blk_get_dev("mmc", CONFIG_FASTBOOT_FLASH_MMC_DEV);
+ if (!*dev_desc) {
+ fastboot_fail("block device not found", response);
+ return -ENOENT;
+ }
+ if (!part_name) {
+ fastboot_fail("partition not found", response);
+ return -ENOENT;
+ }
+
+ r = part_get_info_by_name_or_alias(*dev_desc, part_name, part_info);
+ if (r < 0) {
+ fastboot_fail("partition not found", response);
+ return r;
+ }
+
+ return r;
+}
+
+/**
+ * fastboot_mmc_flash_write() - Write image to eMMC for fastboot
+ *
+ * @cmd: Named partition to write image to
+ * @download_buffer: Pointer to image data
+ * @download_bytes: Size of image data
+ * @response: Pointer to fastboot response buffer
+ */
+void fastboot_mmc_flash_write(const char *cmd, void *download_buffer,
+ u32 download_bytes, char *response)
{
struct blk_desc *dev_desc;
disk_partition_t info;
dev_desc = blk_get_dev("mmc", CONFIG_FASTBOOT_FLASH_MMC_DEV);
if (!dev_desc || dev_desc->type == DEV_TYPE_UNKNOWN) {
pr_err("invalid mmc device\n");
- fastboot_fail("invalid mmc device");
+ fastboot_fail("invalid mmc device", response);
return;
}
if (is_valid_gpt_buf(dev_desc, download_buffer)) {
printf("%s: invalid GPT - refusing to write to flash\n",
__func__);
- fastboot_fail("invalid GPT partition");
+ fastboot_fail("invalid GPT partition", response);
return;
}
if (write_mbr_and_gpt_partitions(dev_desc, download_buffer)) {
printf("%s: writing GPT partitions failed\n", __func__);
- fastboot_fail("writing GPT partitions failed");
+ fastboot_fail("writing GPT partitions failed",
+ response);
return;
}
printf("........ success\n");
- fastboot_okay("");
+ fastboot_okay(NULL, response);
return;
}
#endif
if (is_valid_dos_buf(download_buffer)) {
printf("%s: invalid MBR - refusing to write to flash\n",
__func__);
- fastboot_fail("invalid MBR partition");
+ fastboot_fail("invalid MBR partition", response);
return;
}
if (write_mbr_partition(dev_desc, download_buffer)) {
printf("%s: writing MBR partition failed\n", __func__);
- fastboot_fail("writing MBR partition failed");
+ fastboot_fail("writing MBR partition failed",
+ response);
return;
}
printf("........ success\n");
- fastboot_okay("");
+ fastboot_okay(NULL, response);
return;
}
#endif
#ifdef CONFIG_ANDROID_BOOT_IMAGE
if (strncasecmp(cmd, "zimage", 6) == 0) {
- fb_mmc_update_zimage(dev_desc, download_buffer, download_bytes);
+ fb_mmc_update_zimage(dev_desc, download_buffer,
+ download_bytes, response);
return;
}
#endif
if (part_get_info_by_name_or_alias(dev_desc, cmd, &info) < 0) {
pr_err("cannot find partition: '%s'\n", cmd);
- fastboot_fail("cannot find partition");
+ fastboot_fail("cannot find partition", response);
return;
}
sparse.start);
sparse.priv = &sparse_priv;
- err = write_sparse_image(&sparse, cmd, download_buffer);
+ err = write_sparse_image(&sparse, cmd, download_buffer,
+ response);
if (!err)
- fastboot_okay("");
+ fastboot_okay(NULL, response);
} else {
write_raw_image(dev_desc, &info, cmd, download_buffer,
- download_bytes);
+ download_bytes, response);
}
}
-void fb_mmc_erase(const char *cmd)
+/**
+ * fastboot_mmc_flash_erase() - Erase eMMC for fastboot
+ *
+ * @cmd: Named partition to erase
+ * @response: Pointer to fastboot response buffer
+ */
+void fastboot_mmc_erase(const char *cmd, char *response)
{
int ret;
struct blk_desc *dev_desc;
struct mmc *mmc = find_mmc_device(CONFIG_FASTBOOT_FLASH_MMC_DEV);
if (mmc == NULL) {
- pr_err("invalid mmc device");
- fastboot_fail("invalid mmc device");
+ pr_err("invalid mmc device\n");
+ fastboot_fail("invalid mmc device", response);
return;
}
dev_desc = blk_get_dev("mmc", CONFIG_FASTBOOT_FLASH_MMC_DEV);
if (!dev_desc || dev_desc->type == DEV_TYPE_UNKNOWN) {
- pr_err("invalid mmc device");
- fastboot_fail("invalid mmc device");
+ pr_err("invalid mmc device\n");
+ fastboot_fail("invalid mmc device", response);
return;
}
ret = part_get_info_by_name_or_alias(dev_desc, cmd, &info);
if (ret < 0) {
- pr_err("cannot find partition: '%s'", cmd);
- fastboot_fail("cannot find partition");
+ pr_err("cannot find partition: '%s'\n", cmd);
+ fastboot_fail("cannot find partition", response);
return;
}
printf("Erasing blocks " LBAFU " to " LBAFU " due to alignment\n",
blks_start, blks_start + blks_size);
- blks = blk_derase(dev_desc, blks_start, blks_size);
+ blks = fb_mmc_blk_write(dev_desc, blks_start, blks_size, NULL);
+
if (blks != blks_size) {
- pr_err("failed erasing from device %d", dev_desc->devnum);
- fastboot_fail("failed erasing from device");
+ pr_err("failed erasing from device %d\n", dev_desc->devnum);
+ fastboot_fail("failed erasing from device", response);
return;
}
printf("........ erased " LBAFU " bytes from '%s'\n",
blks_size * info.blksz, cmd);
- fastboot_okay("");
+ fastboot_okay(NULL, response);
}
projects / u-boot / blobdiff