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-rw-r--r--README9
-rw-r--r--common/cmd_dfu.c6
-rw-r--r--common/cmd_fastboot.c4
-rw-r--r--common/fb_mmc.c26
-rw-r--r--disk/part_efi.c268
-rw-r--r--drivers/dfu/dfu.c24
-rw-r--r--drivers/dfu/dfu_mmc.c8
-rw-r--r--drivers/usb/gadget/atmel_usba_udc.c1
-rw-r--r--drivers/usb/gadget/f_dfu.c2
-rw-r--r--drivers/usb/gadget/f_fastboot.c14
-rw-r--r--drivers/usb/gadget/f_thor.c16
-rw-r--r--drivers/usb/gadget/g_dnl.c17
-rw-r--r--include/dfu.h3
-rw-r--r--include/g_dnl.h4
-rw-r--r--include/part.h20
15 files changed, 317 insertions, 105 deletions
diff --git a/README b/README
index 4ca04d0489..42ece99473 100644
--- a/README
+++ b/README
@@ -1773,6 +1773,15 @@ The following options need to be configured:
regarding the non-volatile storage device. Define this to
the eMMC device that fastboot should use to store the image.
+ CONFIG_FASTBOOT_GPT_NAME
+ The fastboot "flash" command supports writing the downloaded
+ image to the Protective MBR and the Primary GUID Partition
+ Table. (Additionally, this downloaded image is post-processed
+ to generate and write the Backup GUID Partition Table.)
+ This occurs when the specified "partition name" on the
+ "fastboot flash" command line matches this value.
+ Default is GPT_ENTRY_NAME (currently "gpt") if undefined.
+
- Journaling Flash filesystem support:
CONFIG_JFFS2_NAND, CONFIG_JFFS2_NAND_OFF, CONFIG_JFFS2_NAND_SIZE,
CONFIG_JFFS2_NAND_DEV
diff --git a/common/cmd_dfu.c b/common/cmd_dfu.c
index 9e020b40be..e975abebc9 100644
--- a/common/cmd_dfu.c
+++ b/common/cmd_dfu.c
@@ -38,10 +38,10 @@ static int do_dfu(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
int controller_index = simple_strtoul(usb_controller, NULL, 0);
board_usb_init(controller_index, USB_INIT_DEVICE);
- dfu_clear_detach();
+ g_dnl_clear_detach();
g_dnl_register("usb_dnl_dfu");
while (1) {
- if (dfu_detach()) {
+ if (g_dnl_detach()) {
/*
* Check if USB bus reset is performed after detach,
* which indicates that -R switch has been passed to
@@ -74,7 +74,7 @@ done:
if (dfu_reset)
run_command("reset", 0);
- dfu_clear_detach();
+ g_dnl_clear_detach();
return ret;
}
diff --git a/common/cmd_fastboot.c b/common/cmd_fastboot.c
index 909616dcb7..b72f4f310d 100644
--- a/common/cmd_fastboot.c
+++ b/common/cmd_fastboot.c
@@ -15,17 +15,21 @@ static int do_fastboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
int ret;
+ g_dnl_clear_detach();
ret = g_dnl_register("usb_dnl_fastboot");
if (ret)
return ret;
while (1) {
+ if (g_dnl_detach())
+ break;
if (ctrlc())
break;
usb_gadget_handle_interrupts();
}
g_dnl_unregister();
+ g_dnl_clear_detach();
return CMD_RET_SUCCESS;
}
diff --git a/common/fb_mmc.c b/common/fb_mmc.c
index fb06d8a557..6ea3938d83 100644
--- a/common/fb_mmc.c
+++ b/common/fb_mmc.c
@@ -4,12 +4,17 @@
* SPDX-License-Identifier: GPL-2.0+
*/
+#include <config.h>
#include <common.h>
#include <fb_mmc.h>
#include <part.h>
#include <aboot.h>
#include <sparse_format.h>
+#ifndef CONFIG_FASTBOOT_GPT_NAME
+#define CONFIG_FASTBOOT_GPT_NAME GPT_ENTRY_NAME
+#endif
+
/* The 64 defined bytes plus the '\0' */
#define RESPONSE_LEN (64 + 1)
@@ -62,7 +67,6 @@ static void write_raw_image(block_dev_desc_t *dev_desc, disk_partition_t *info,
void fb_mmc_flash_write(const char *cmd, void *download_buffer,
unsigned int download_bytes, char *response)
{
- int ret;
block_dev_desc_t *dev_desc;
disk_partition_t info;
@@ -76,8 +80,24 @@ void fb_mmc_flash_write(const char *cmd, void *download_buffer,
return;
}
- ret = get_partition_info_efi_by_name(dev_desc, cmd, &info);
- if (ret) {
+ if (strcmp(cmd, CONFIG_FASTBOOT_GPT_NAME) == 0) {
+ printf("%s: updating MBR, Primary and Backup GPT(s)\n",
+ __func__);
+ 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");
+ 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");
+ return;
+ }
+ printf("........ success\n");
+ fastboot_okay("");
+ return;
+ } else if (get_partition_info_efi_by_name(dev_desc, cmd, &info)) {
error("cannot find partition: '%s'\n", cmd);
fastboot_fail("cannot find partition");
return;
diff --git a/disk/part_efi.c b/disk/part_efi.c
index efed58f81d..338010e148 100644
--- a/disk/part_efi.c
+++ b/disk/part_efi.c
@@ -69,6 +69,107 @@ static inline int is_bootable(gpt_entry *p)
sizeof(efi_guid_t));
}
+static int validate_gpt_header(gpt_header *gpt_h, lbaint_t lba,
+ lbaint_t lastlba)
+{
+ uint32_t crc32_backup = 0;
+ uint32_t calc_crc32;
+
+ /* Check the GPT header signature */
+ if (le64_to_cpu(gpt_h->signature) != GPT_HEADER_SIGNATURE) {
+ printf("%s signature is wrong: 0x%llX != 0x%llX\n",
+ "GUID Partition Table Header",
+ le64_to_cpu(gpt_h->signature),
+ GPT_HEADER_SIGNATURE);
+ return -1;
+ }
+
+ /* Check the GUID Partition Table CRC */
+ memcpy(&crc32_backup, &gpt_h->header_crc32, sizeof(crc32_backup));
+ memset(&gpt_h->header_crc32, 0, sizeof(gpt_h->header_crc32));
+
+ calc_crc32 = efi_crc32((const unsigned char *)gpt_h,
+ le32_to_cpu(gpt_h->header_size));
+
+ memcpy(&gpt_h->header_crc32, &crc32_backup, sizeof(crc32_backup));
+
+ if (calc_crc32 != le32_to_cpu(crc32_backup)) {
+ printf("%s CRC is wrong: 0x%x != 0x%x\n",
+ "GUID Partition Table Header",
+ le32_to_cpu(crc32_backup), calc_crc32);
+ return -1;
+ }
+
+ /*
+ * Check that the my_lba entry points to the LBA that contains the GPT
+ */
+ if (le64_to_cpu(gpt_h->my_lba) != lba) {
+ printf("GPT: my_lba incorrect: %llX != " LBAF "\n",
+ le64_to_cpu(gpt_h->my_lba),
+ lba);
+ return -1;
+ }
+
+ /*
+ * Check that the first_usable_lba and that the last_usable_lba are
+ * within the disk.
+ */
+ if (le64_to_cpu(gpt_h->first_usable_lba) > lastlba) {
+ printf("GPT: first_usable_lba incorrect: %llX > " LBAF "\n",
+ le64_to_cpu(gpt_h->first_usable_lba), lastlba);
+ return -1;
+ }
+ if (le64_to_cpu(gpt_h->last_usable_lba) > lastlba) {
+ printf("GPT: last_usable_lba incorrect: %llX > " LBAF "\n",
+ le64_to_cpu(gpt_h->last_usable_lba), lastlba);
+ return -1;
+ }
+
+ debug("GPT: first_usable_lba: %llX last_usable_lba: %llX last lba: "
+ LBAF "\n", le64_to_cpu(gpt_h->first_usable_lba),
+ le64_to_cpu(gpt_h->last_usable_lba), lastlba);
+
+ return 0;
+}
+
+static int validate_gpt_entries(gpt_header *gpt_h, gpt_entry *gpt_e)
+{
+ uint32_t calc_crc32;
+
+ /* Check the GUID Partition Table Entry Array CRC */
+ calc_crc32 = efi_crc32((const unsigned char *)gpt_e,
+ le32_to_cpu(gpt_h->num_partition_entries) *
+ le32_to_cpu(gpt_h->sizeof_partition_entry));
+
+ if (calc_crc32 != le32_to_cpu(gpt_h->partition_entry_array_crc32)) {
+ printf("%s: 0x%x != 0x%x\n",
+ "GUID Partition Table Entry Array CRC is wrong",
+ le32_to_cpu(gpt_h->partition_entry_array_crc32),
+ calc_crc32);
+ return -1;
+ }
+
+ return 0;
+}
+
+static void prepare_backup_gpt_header(gpt_header *gpt_h)
+{
+ uint32_t calc_crc32;
+ uint64_t val;
+
+ /* recalculate the values for the Backup GPT Header */
+ val = le64_to_cpu(gpt_h->my_lba);
+ gpt_h->my_lba = gpt_h->alternate_lba;
+ gpt_h->alternate_lba = cpu_to_le64(val);
+ gpt_h->partition_entry_lba =
+ cpu_to_le64(le64_to_cpu(gpt_h->last_usable_lba) + 1);
+ gpt_h->header_crc32 = 0;
+
+ calc_crc32 = efi_crc32((const unsigned char *)gpt_h,
+ le32_to_cpu(gpt_h->header_size));
+ gpt_h->header_crc32 = cpu_to_le32(calc_crc32);
+}
+
#ifdef CONFIG_EFI_PARTITION
/*
* Public Functions (include/part.h)
@@ -259,7 +360,6 @@ int write_gpt_table(block_dev_desc_t *dev_desc,
const int pte_blk_cnt = BLOCK_CNT((gpt_h->num_partition_entries
* sizeof(gpt_entry)), dev_desc);
u32 calc_crc32;
- u64 val;
debug("max lba: %x\n", (u32) dev_desc->lba);
/* Setup the Protective MBR */
@@ -284,15 +384,7 @@ int write_gpt_table(block_dev_desc_t *dev_desc,
!= pte_blk_cnt)
goto err;
- /* recalculate the values for the Backup GPT Header */
- val = le64_to_cpu(gpt_h->my_lba);
- gpt_h->my_lba = gpt_h->alternate_lba;
- gpt_h->alternate_lba = cpu_to_le64(val);
- gpt_h->header_crc32 = 0;
-
- calc_crc32 = efi_crc32((const unsigned char *)gpt_h,
- le32_to_cpu(gpt_h->header_size));
- gpt_h->header_crc32 = cpu_to_le32(calc_crc32);
+ prepare_backup_gpt_header(gpt_h);
if (dev_desc->block_write(dev_desc->dev,
(lbaint_t)le64_to_cpu(gpt_h->last_usable_lba)
@@ -455,6 +547,97 @@ err:
free(gpt_h);
return ret;
}
+
+int is_valid_gpt_buf(block_dev_desc_t *dev_desc, void *buf)
+{
+ gpt_header *gpt_h;
+ gpt_entry *gpt_e;
+
+ /* determine start of GPT Header in the buffer */
+ gpt_h = buf + (GPT_PRIMARY_PARTITION_TABLE_LBA *
+ dev_desc->blksz);
+ if (validate_gpt_header(gpt_h, GPT_PRIMARY_PARTITION_TABLE_LBA,
+ dev_desc->lba))
+ return -1;
+
+ /* determine start of GPT Entries in the buffer */
+ gpt_e = buf + (le64_to_cpu(gpt_h->partition_entry_lba) *
+ dev_desc->blksz);
+ if (validate_gpt_entries(gpt_h, gpt_e))
+ return -1;
+
+ return 0;
+}
+
+int write_mbr_and_gpt_partitions(block_dev_desc_t *dev_desc, void *buf)
+{
+ gpt_header *gpt_h;
+ gpt_entry *gpt_e;
+ int gpt_e_blk_cnt;
+ lbaint_t lba;
+ int cnt;
+
+ if (is_valid_gpt_buf(dev_desc, buf))
+ return -1;
+
+ /* determine start of GPT Header in the buffer */
+ gpt_h = buf + (GPT_PRIMARY_PARTITION_TABLE_LBA *
+ dev_desc->blksz);
+
+ /* determine start of GPT Entries in the buffer */
+ gpt_e = buf + (le64_to_cpu(gpt_h->partition_entry_lba) *
+ dev_desc->blksz);
+ gpt_e_blk_cnt = BLOCK_CNT((le32_to_cpu(gpt_h->num_partition_entries) *
+ le32_to_cpu(gpt_h->sizeof_partition_entry)),
+ dev_desc);
+
+ /* write MBR */
+ lba = 0; /* MBR is always at 0 */
+ cnt = 1; /* MBR (1 block) */
+ if (dev_desc->block_write(dev_desc->dev, lba, cnt, buf) != cnt) {
+ printf("%s: failed writing '%s' (%d blks at 0x" LBAF ")\n",
+ __func__, "MBR", cnt, lba);
+ return 1;
+ }
+
+ /* write Primary GPT */
+ lba = GPT_PRIMARY_PARTITION_TABLE_LBA;
+ cnt = 1; /* GPT Header (1 block) */
+ if (dev_desc->block_write(dev_desc->dev, lba, cnt, gpt_h) != cnt) {
+ printf("%s: failed writing '%s' (%d blks at 0x" LBAF ")\n",
+ __func__, "Primary GPT Header", cnt, lba);
+ return 1;
+ }
+
+ lba = le64_to_cpu(gpt_h->partition_entry_lba);
+ cnt = gpt_e_blk_cnt;
+ if (dev_desc->block_write(dev_desc->dev, lba, cnt, gpt_e) != cnt) {
+ printf("%s: failed writing '%s' (%d blks at 0x" LBAF ")\n",
+ __func__, "Primary GPT Entries", cnt, lba);
+ return 1;
+ }
+
+ prepare_backup_gpt_header(gpt_h);
+
+ /* write Backup GPT */
+ lba = le64_to_cpu(gpt_h->partition_entry_lba);
+ cnt = gpt_e_blk_cnt;
+ if (dev_desc->block_write(dev_desc->dev, lba, cnt, gpt_e) != cnt) {
+ printf("%s: failed writing '%s' (%d blks at 0x" LBAF ")\n",
+ __func__, "Backup GPT Entries", cnt, lba);
+ return 1;
+ }
+
+ lba = le64_to_cpu(gpt_h->my_lba);
+ cnt = 1; /* GPT Header (1 block) */
+ if (dev_desc->block_write(dev_desc->dev, lba, cnt, gpt_h) != cnt) {
+ printf("%s: failed writing '%s' (%d blks at 0x" LBAF ")\n",
+ __func__, "Backup GPT Header", cnt, lba);
+ return 1;
+ }
+
+ return 0;
+}
#endif
/*
@@ -511,10 +694,6 @@ static int is_pmbr_valid(legacy_mbr * mbr)
static int is_gpt_valid(block_dev_desc_t *dev_desc, u64 lba,
gpt_header *pgpt_head, gpt_entry **pgpt_pte)
{
- u32 crc32_backup = 0;
- u32 calc_crc32;
- u64 lastlba;
-
if (!dev_desc || !pgpt_head) {
printf("%s: Invalid Argument(s)\n", __func__);
return 0;
@@ -527,55 +706,8 @@ static int is_gpt_valid(block_dev_desc_t *dev_desc, u64 lba,
return 0;
}
- /* Check the GPT header signature */
- if (le64_to_cpu(pgpt_head->signature) != GPT_HEADER_SIGNATURE) {
- printf("GUID Partition Table Header signature is wrong:"
- "0x%llX != 0x%llX\n",
- le64_to_cpu(pgpt_head->signature),
- GPT_HEADER_SIGNATURE);
- return 0;
- }
-
- /* Check the GUID Partition Table CRC */
- memcpy(&crc32_backup, &pgpt_head->header_crc32, sizeof(crc32_backup));
- memset(&pgpt_head->header_crc32, 0, sizeof(pgpt_head->header_crc32));
-
- calc_crc32 = efi_crc32((const unsigned char *)pgpt_head,
- le32_to_cpu(pgpt_head->header_size));
-
- memcpy(&pgpt_head->header_crc32, &crc32_backup, sizeof(crc32_backup));
-
- if (calc_crc32 != le32_to_cpu(crc32_backup)) {
- printf("GUID Partition Table Header CRC is wrong:"
- "0x%x != 0x%x\n",
- le32_to_cpu(crc32_backup), calc_crc32);
- return 0;
- }
-
- /* Check that the my_lba entry points to the LBA that contains the GPT */
- if (le64_to_cpu(pgpt_head->my_lba) != lba) {
- printf("GPT: my_lba incorrect: %llX != %" PRIX64 "\n",
- le64_to_cpu(pgpt_head->my_lba),
- lba);
+ if (validate_gpt_header(pgpt_head, (lbaint_t)lba, dev_desc->lba))
return 0;
- }
-
- /* Check the first_usable_lba and last_usable_lba are within the disk. */
- lastlba = (u64)dev_desc->lba;
- if (le64_to_cpu(pgpt_head->first_usable_lba) > lastlba) {
- printf("GPT: first_usable_lba incorrect: %llX > %" PRIX64 "\n",
- le64_to_cpu(pgpt_head->first_usable_lba), lastlba);
- return 0;
- }
- if (le64_to_cpu(pgpt_head->last_usable_lba) > lastlba) {
- printf("GPT: last_usable_lba incorrect: %llX > %" PRIX64 "\n",
- le64_to_cpu(pgpt_head->last_usable_lba), lastlba);
- return 0;
- }
-
- debug("GPT: first_usable_lba: %llX last_usable_lba %llX last lba %"
- PRIX64 "\n", le64_to_cpu(pgpt_head->first_usable_lba),
- le64_to_cpu(pgpt_head->last_usable_lba), lastlba);
/* Read and allocate Partition Table Entries */
*pgpt_pte = alloc_read_gpt_entries(dev_desc, pgpt_head);
@@ -584,17 +716,7 @@ static int is_gpt_valid(block_dev_desc_t *dev_desc, u64 lba,
return 0;
}
- /* Check the GUID Partition Table Entry Array CRC */
- calc_crc32 = efi_crc32((const unsigned char *)*pgpt_pte,
- le32_to_cpu(pgpt_head->num_partition_entries) *
- le32_to_cpu(pgpt_head->sizeof_partition_entry));
-
- if (calc_crc32 != le32_to_cpu(pgpt_head->partition_entry_array_crc32)) {
- printf("GUID Partition Table Entry Array CRC is wrong:"
- "0x%x != 0x%x\n",
- le32_to_cpu(pgpt_head->partition_entry_array_crc32),
- calc_crc32);
-
+ if (validate_gpt_entries(pgpt_head, *pgpt_pte)) {
free(*pgpt_pte);
return 0;
}
diff --git a/drivers/dfu/dfu.c b/drivers/dfu/dfu.c
index 14cb366b01..ad0a7e7c25 100644
--- a/drivers/dfu/dfu.c
+++ b/drivers/dfu/dfu.c
@@ -17,7 +17,6 @@
#include <linux/list.h>
#include <linux/compiler.h>
-static bool dfu_detach_request;
static LIST_HEAD(dfu_list);
static int dfu_alt_num;
static int alt_num_cnt;
@@ -39,21 +38,6 @@ __weak bool dfu_usb_get_reset(void)
return true;
}
-bool dfu_detach(void)
-{
- return dfu_detach_request;
-}
-
-void dfu_trigger_detach(void)
-{
- dfu_detach_request = true;
-}
-
-void dfu_clear_detach(void)
-{
- dfu_detach_request = false;
-}
-
static int dfu_find_alt_num(const char *s)
{
int i = 0;
@@ -111,8 +95,12 @@ unsigned char *dfu_get_buf(struct dfu_entity *dfu)
return dfu_buf;
s = getenv("dfu_bufsiz");
- dfu_buf_size = s ? (unsigned long)simple_strtol(s, NULL, 16) :
- CONFIG_SYS_DFU_DATA_BUF_SIZE;
+ if (s)
+ dfu_buf_size = (unsigned long)simple_strtol(s, NULL, 0);
+
+ if (!s || !dfu_buf_size)
+ dfu_buf_size = CONFIG_SYS_DFU_DATA_BUF_SIZE;
+
if (dfu->max_buf_size && dfu_buf_size > dfu->max_buf_size)
dfu_buf_size = dfu->max_buf_size;
diff --git a/drivers/dfu/dfu_mmc.c b/drivers/dfu/dfu_mmc.c
index 72fa03eeda..62d72fe4c6 100644
--- a/drivers/dfu/dfu_mmc.c
+++ b/drivers/dfu/dfu_mmc.c
@@ -40,10 +40,16 @@ static int mmc_access_part(struct dfu_entity *dfu, struct mmc *mmc, int part)
static int mmc_block_op(enum dfu_op op, struct dfu_entity *dfu,
u64 offset, void *buf, long *len)
{
- struct mmc *mmc = find_mmc_device(dfu->data.mmc.dev_num);
+ struct mmc *mmc;
u32 blk_start, blk_count, n = 0;
int ret, part_num_bkp = 0;
+ mmc = find_mmc_device(dfu->data.mmc.dev_num);
+ if (!mmc) {
+ error("Device MMC %d - not found!", dfu->data.mmc.dev_num);
+ return -ENODEV;
+ }
+
/*
* We must ensure that we work in lba_blk_size chunks, so ALIGN
* this value.
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index 12628effe8..fbc74f3bed 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -1062,7 +1062,6 @@ static void usba_ep_irq(struct usba_udc *udc, struct usba_ep *ep)
if ((epstatus & epctrl) & USBA_RX_BK_RDY) {
DBG(DBG_BUS, "%s: RX data ready\n", ep->ep.name);
receive_data(ep);
- usba_ep_writel(ep, CLR_STA, USBA_RX_BK_RDY);
}
}
diff --git a/drivers/usb/gadget/f_dfu.c b/drivers/usb/gadget/f_dfu.c
index 16fc9ddf82..ead71eba6b 100644
--- a/drivers/usb/gadget/f_dfu.c
+++ b/drivers/usb/gadget/f_dfu.c
@@ -366,7 +366,7 @@ static int state_dfu_idle(struct f_dfu *f_dfu,
to_runtime_mode(f_dfu);
f_dfu->dfu_state = DFU_STATE_appIDLE;
- dfu_trigger_detach();
+ g_dnl_trigger_detach();
break;
default:
f_dfu->dfu_state = DFU_STATE_dfuERROR;
diff --git a/drivers/usb/gadget/f_fastboot.c b/drivers/usb/gadget/f_fastboot.c
index 71b62e5005..310175acfe 100644
--- a/drivers/usb/gadget/f_fastboot.c
+++ b/drivers/usb/gadget/f_fastboot.c
@@ -480,6 +480,17 @@ static void cb_boot(struct usb_ep *ep, struct usb_request *req)
fastboot_tx_write_str("OKAY");
}
+static void do_exit_on_complete(struct usb_ep *ep, struct usb_request *req)
+{
+ g_dnl_trigger_detach();
+}
+
+static void cb_continue(struct usb_ep *ep, struct usb_request *req)
+{
+ fastboot_func->in_req->complete = do_exit_on_complete;
+ fastboot_tx_write_str("OKAY");
+}
+
#ifdef CONFIG_FASTBOOT_FLASH
static void cb_flash(struct usb_ep *ep, struct usb_request *req)
{
@@ -520,6 +531,9 @@ static const struct cmd_dispatch_info cmd_dispatch_info[] = {
}, {
.cmd = "boot",
.cb = cb_boot,
+ }, {
+ .cmd = "continue",
+ .cb = cb_continue,
},
#ifdef CONFIG_FASTBOOT_FLASH
{
diff --git a/drivers/usb/gadget/f_thor.c b/drivers/usb/gadget/f_thor.c
index 78519fa41f..2d0410d795 100644
--- a/drivers/usb/gadget/f_thor.c
+++ b/drivers/usb/gadget/f_thor.c
@@ -205,12 +205,24 @@ static long long int download_head(unsigned long long total,
static int download_tail(long long int left, int cnt)
{
- struct dfu_entity *dfu_entity = dfu_get_entity(alt_setting_num);
- void *transfer_buffer = dfu_get_buf(dfu_entity);
+ struct dfu_entity *dfu_entity;
+ void *transfer_buffer;
int ret;
debug("%s: left: %llu cnt: %d\n", __func__, left, cnt);
+ dfu_entity = dfu_get_entity(alt_setting_num);
+ if (!dfu_entity) {
+ error("Alt setting: %d entity not found!\n", alt_setting_num);
+ return -ENOENT;
+ }
+
+ transfer_buffer = dfu_get_buf(dfu_entity);
+ if (!transfer_buffer) {
+ error("Transfer buffer not allocated!");
+ return -ENXIO;
+ }
+
if (left) {
ret = dfu_write(dfu_entity, transfer_buffer, left, cnt++);
if (ret) {
diff --git a/drivers/usb/gadget/g_dnl.c b/drivers/usb/gadget/g_dnl.c
index 25611acd60..ee52a29467 100644
--- a/drivers/usb/gadget/g_dnl.c
+++ b/drivers/usb/gadget/g_dnl.c
@@ -163,6 +163,23 @@ __weak int g_dnl_board_usb_cable_connected(void)
return -EOPNOTSUPP;
}
+static bool g_dnl_detach_request;
+
+bool g_dnl_detach(void)
+{
+ return g_dnl_detach_request;
+}
+
+void g_dnl_trigger_detach(void)
+{
+ g_dnl_detach_request = true;
+}
+
+void g_dnl_clear_detach(void)
+{
+ g_dnl_detach_request = false;
+}
+
static int g_dnl_get_bcd_device_number(struct usb_composite_dev *cdev)
{
struct usb_gadget *gadget = cdev->gadget;
diff --git a/include/dfu.h b/include/dfu.h
index f1a71c7902..c27856cb72 100644
--- a/include/dfu.h
+++ b/include/dfu.h
@@ -150,9 +150,6 @@ struct dfu_entity *dfu_get_entity(int alt);
char *dfu_extract_token(char** e, int *n);
void dfu_trigger_reset(void);
int dfu_get_alt(char *name);
-bool dfu_detach(void);
-void dfu_trigger_detach(void);
-void dfu_clear_detach(void);
int dfu_init_env_entities(char *interface, char *devstr);
unsigned char *dfu_get_buf(struct dfu_entity *dfu);
unsigned char *dfu_free_buf(void);
diff --git a/include/g_dnl.h b/include/g_dnl.h
index 1b1b35e0e1..4eeb5e4070 100644
--- a/include/g_dnl.h
+++ b/include/g_dnl.h
@@ -39,4 +39,8 @@ int g_dnl_register(const char *s);
void g_dnl_unregister(void);
void g_dnl_set_serialnumber(char *);
+bool g_dnl_detach(void);
+void g_dnl_trigger_detach(void);
+void g_dnl_clear_detach(void);
+
#endif /* __G_DOWNLOAD_H_ */
diff --git a/include/part.h b/include/part.h
index a496a4ad4a..8ea9b3049a 100644
--- a/include/part.h
+++ b/include/part.h
@@ -244,6 +244,26 @@ int gpt_fill_header(block_dev_desc_t *dev_desc, gpt_header *gpt_h,
*/
int gpt_restore(block_dev_desc_t *dev_desc, char *str_disk_guid,
disk_partition_t *partitions, const int parts_count);
+
+/**
+ * is_valid_gpt_buf() - Ensure that the Primary GPT information is valid
+ *
+ * @param dev_desc - block device descriptor
+ * @param buf - buffer which contains the MBR and Primary GPT info
+ *
+ * @return - '0' on success, otherwise error
+ */
+int is_valid_gpt_buf(block_dev_desc_t *dev_desc, void *buf);
+
+/**
+ * write_mbr_and_gpt_partitions() - write MBR, Primary GPT and Backup GPT
+ *
+ * @param dev_desc - block device descriptor
+ * @param buf - buffer which contains the MBR and Primary GPT info
+ *
+ * @return - '0' on success, otherwise error
+ */
+int write_mbr_and_gpt_partitions(block_dev_desc_t *dev_desc, void *buf);
#endif
#endif /* _PART_H */