@@ -10,10 +10,32 @@
#include <command.h>
#include <console.h>
#include <g_dnl.h>
+#include <fastboot.h>
+#include <net.h>
#include <usb.h>
-static int do_fastboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
+static int do_fastboot_udp(int argc, char *const argv[],
+ uintptr_t buf_addr, size_t buf_size)
{
+#if CONFIG_IS_ENABLED(UDP_FUNCTION_FASTBOOT)
+ int err = net_loop(FASTBOOT);
+
+ if (err < 0) {
+ printf("fastboot udp error: %d\n", err);
+ return CMD_RET_FAILURE;
+ }
+
+ return CMD_RET_SUCCESS;
+#else
+ pr_err("Fastboot UDP not enabled\n");
+ return CMD_RET_FAILURE;
+#endif
+}
+
+static int do_fastboot_usb(int argc, char *const argv[],
+ uintptr_t buf_addr, size_t buf_size)
+{
+#if CONFIG_IS_ENABLED(USB_FUNCTION_FASTBOOT)
int controller_index;
char *usb_controller;
int ret;
@@ -58,11 +80,70 @@ exit:
board_usb_cleanup(controller_index, USB_INIT_DEVICE);
return ret;
+#else
+ pr_err("Fastboot USB not enabled\n");
+ return CMD_RET_FAILURE;
+#endif
+}
+
+static int do_fastboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
+{
+ uintptr_t buf_addr = (uintptr_t)NULL;
+ size_t buf_size = 0;
+
+ if (argc < 2)
+ return CMD_RET_USAGE;
+
+ while (argc > 1 && **(argv + 1) == '-') {
+ char *arg = *++argv;
+
+ --argc;
+ while (*++arg) {
+ switch (*arg) {
+ case 'l':
+ if (--argc <= 0)
+ return CMD_RET_USAGE;
+ buf_addr = simple_strtoul(*++argv, NULL, 16);
+ goto NXTARG;
+
+ case 's':
+ if (--argc <= 0)
+ return CMD_RET_USAGE;
+ buf_size = simple_strtoul(*++argv, NULL, 16);
+ goto NXTARG;
+
+ default:
+ return CMD_RET_USAGE;
+ }
+ }
+NXTARG:
+ ;
+ }
+
+ fastboot_init((void *)buf_addr, buf_size);
+
+ if (!strcmp(argv[1], "udp"))
+ return do_fastboot_udp(argc, argv, buf_addr, buf_size);
+
+ if (!strcmp(argv[1], "usb")) {
+ argv++;
+ argc--;
+ }
+
+ return do_fastboot_usb(argc, argv, buf_addr, buf_size);
}
+#ifdef CONFIG_SYS_LONGHELP
+static char fastboot_help_text[] =
+ "[-l addr] [-s size] usb <controller> | udp\n"
+ "\taddr - address of buffer used during data transfers ("
+ __stringify(CONFIG_FASTBOOT_BUF_ADDR) ")\n"
+ "\tsize - size of buffer used during data transfers ("
+ __stringify(CONFIG_FASTBOOT_BUF_SIZE) ")"
+ ;
+#endif
+
U_BOOT_CMD(
- fastboot, 2, 1, do_fastboot,
- "use USB Fastboot protocol",
- "<USB_controller>\n"
- " - run as a fastboot usb device"
+ fastboot, CONFIG_SYS_MAXARGS, 1, do_fastboot,
+ "run as a fastboot usb or udp device", fastboot_help_text
);
@@ -14,6 +14,13 @@ config USB_FUNCTION_FASTBOOT
help
This enables the USB part of the fastboot gadget.
+config UDP_FUNCTION_FASTBOOT
+ depends on NET
+ select FASTBOOT
+ bool "Enable fastboot protocol over UDP"
+ help
+ This enables the fastboot protocol over UDP.
+
if FASTBOOT
config FASTBOOT_BUF_ADDR
@@ -118,6 +125,14 @@ config FASTBOOT_MBR_NAME
specified on the "fastboot flash" command line matches the value
defined here. The default target name for updating MBR is "mbr".
+config FASTBOOT_CMD_OEM_FORMAT
+ bool "Enable the 'oem format' command"
+ depends on FASTBOOT_FLASH_MMC && CMD_GPT
+ help
+ Add support for the "oem format" command from a client. This
+ relies on the env variable partitions to contain the list of
+ partitions as required by the gpt command.
+
endif # FASTBOOT
endmenu
@@ -1,6 +1,8 @@
# SPDX-License-Identifier: GPL-2.0+
obj-y += fb_common.o
+obj-y += fb_getvar.o
+obj-y += fb_command.o
obj-$(CONFIG_FASTBOOT_FLASH_MMC) += fb_mmc.o
obj-$(CONFIG_FASTBOOT_FLASH_NAND) += fb_nand.o
new file mode 100644
@@ -0,0 +1,258 @@
+// SPDX-License-Identifier: BSD-2-Clause
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ */
+
+#include <common.h>
+#include <fastboot.h>
+#include <fb_mmc.h>
+#include <fb_nand.h>
+#include <part.h>
+#include <stdlib.h>
+
+/* Fastboot download parameters */
+static u32 image_size;
+u32 fastboot_bytes_received;
+u32 fastboot_bytes_expected;
+
+static void fb_okay(char *, char *);
+static void fb_getvar(char *, char *);
+static void fb_download(char *, char *);
+#if CONFIG_IS_ENABLED(FASTBOOT_FLASH)
+static void fb_flash(char *, char *);
+static void fb_erase(char *, char *);
+#endif
+static void fb_reboot_bootloader(char *, char *);
+#if CONFIG_IS_ENABLED(FASTBOOT_CMD_OEM_FORMAT)
+static void fb_oem_format(char *, char *);
+#endif
+
+static const struct {
+ const char *command;
+ void (*dispatch)(char *cmd_parameter, char *response);
+} fb_commands[FASTBOOT_COMMAND_COUNT] = {
+ [FASTBOOT_COMMAND_GETVAR] = {
+ .command = "getvar",
+ .dispatch = fb_getvar
+ },
+ [FASTBOOT_COMMAND_DOWNLOAD] = {
+ .command = "download",
+ .dispatch = fb_download
+ },
+#if CONFIG_IS_ENABLED(FASTBOOT_FLASH)
+ [FASTBOOT_COMMAND_FLASH] = {
+ .command = "flash",
+ .dispatch = fb_flash
+ },
+ [FASTBOOT_COMMAND_ERASE] = {
+ .command = "erase",
+ .dispatch = fb_erase
+ },
+#endif
+ [FASTBOOT_COMMAND_BOOT] = {
+ .command = "boot",
+ .dispatch = fb_okay
+ },
+ [FASTBOOT_COMMAND_CONTINUE] = {
+ .command = "continue",
+ .dispatch = fb_okay
+ },
+ [FASTBOOT_COMMAND_REBOOT] = {
+ .command = "reboot",
+ .dispatch = fb_okay
+ },
+ [FASTBOOT_COMMAND_REBOOT_BOOTLOADER] = {
+ .command = "reboot-bootloader",
+ .dispatch = fb_reboot_bootloader
+ },
+ [FASTBOOT_COMMAND_SET_ACTIVE] = {
+ .command = "set_active",
+ .dispatch = fb_okay
+ },
+#if CONFIG_IS_ENABLED(FASTBOOT_CMD_OEM_FORMAT)
+ [FASTBOOT_COMMAND_OEM_FORMAT] = {
+ .command = "oem format",
+ .dispatch = fb_oem_format,
+ },
+#endif
+};
+
+int fastboot_handle_command(char *cmd_string, char *response)
+{
+ int i;
+ char *cmd_parameter;
+
+ cmd_parameter = cmd_string;
+ strsep(&cmd_parameter, ":");
+
+ for (i = 0; i < FASTBOOT_COMMAND_COUNT; i++) {
+ if (!strcmp(fb_commands[i].command, cmd_string)) {
+ if (fb_commands[i].dispatch) {
+ fb_commands[i].dispatch(cmd_parameter,
+ response);
+ return i;
+ } else {
+ break;
+ }
+ }
+ }
+
+ pr_err("command %s not recognized.\n", cmd_string);
+ fastboot_fail("unrecognized command", response);
+ return -1;
+}
+
+static void fb_okay(char *cmd_parameter, char *response)
+{
+ fastboot_okay(NULL, response);
+}
+
+static void fb_getvar(char *cmd_parameter, char *response)
+{
+ fastboot_getvar(cmd_parameter, response);
+}
+
+static void fb_download(char *cmd_parameter, char *response)
+{
+ char *tmp;
+
+ if (!cmd_parameter) {
+ fastboot_fail("Expected command parameter", response);
+ return;
+ }
+ fastboot_bytes_received = 0;
+ fastboot_bytes_expected = simple_strtoul(cmd_parameter, &tmp, 16);
+ if (fastboot_bytes_expected == 0) {
+ fastboot_fail("Expected nonzero image size", response);
+ return;
+ }
+ /*
+ * Nothing to download yet. Response is of the form:
+ * [DATA|FAIL]$cmd_parameter
+ *
+ * where cmd_parameter is an 8 digit hexadecimal number
+ */
+ if (fastboot_bytes_expected > fastboot_buf_size) {
+ fastboot_fail(cmd_parameter, response);
+ } else {
+ printf("Starting download of %d bytes\n",
+ fastboot_bytes_expected);
+ fastboot_response("DATA", response, "%s", cmd_parameter);
+ }
+}
+
+/**
+ * Copies image data from fastboot_data to fastboot_buf_addr.
+ * Writes to response.
+ *
+ * @param fastboot_data Pointer to received fastboot data
+ * @param fastboot_data_len Length of received fastboot data
+ * @param response Pointer to fastboot response buffer
+ */
+void fastboot_download_data(const void *fastboot_data,
+ unsigned int fastboot_data_len,
+ char *response)
+{
+ if (fastboot_data_len == 0 &&
+ fastboot_bytes_received >= fastboot_bytes_expected) {
+ /* Download complete. Respond with "OKAY" */
+ fastboot_okay(NULL, response);
+ printf("\ndownloading of %d bytes finished\n",
+ fastboot_bytes_received);
+ image_size = fastboot_bytes_received;
+ env_set_hex("filesize", image_size);
+ fastboot_bytes_expected = 0;
+ fastboot_bytes_received = 0;
+ } else {
+#define BYTES_PER_DOT 0x20000
+ u32 pre_dot_num, now_dot_num;
+
+ if (fastboot_data_len == 0 ||
+ (fastboot_bytes_received + fastboot_data_len) >
+ fastboot_bytes_expected) {
+ fastboot_fail("Received invalid data length",
+ response);
+ return;
+ }
+ /* Download data to fastboot_buf_addr */
+ memcpy(fastboot_buf_addr + fastboot_bytes_received,
+ fastboot_data, fastboot_data_len);
+
+ pre_dot_num = fastboot_bytes_received / BYTES_PER_DOT;
+ fastboot_bytes_received += fastboot_data_len;
+ now_dot_num = fastboot_bytes_received / BYTES_PER_DOT;
+
+ if (pre_dot_num != now_dot_num) {
+ putc('.');
+ if (!(now_dot_num % 74))
+ putc('\n');
+ }
+ }
+}
+
+#if CONFIG_IS_ENABLED(FASTBOOT_FLASH)
+/**
+ * Writes the previously downloaded image to the partition indicated by
+ * cmd_parameter. Writes to response.
+ *
+ * @param response Pointer to fastboot response buffer
+ */
+static void fb_flash(char *cmd_parameter, char *response)
+{
+#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_MMC)
+ fb_mmc_flash_write(cmd_parameter, fastboot_buf_addr, image_size,
+ response);
+#endif
+#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_NAND)
+ fb_nand_flash_write(cmd_parameter, fastboot_buf_addr, image_size,
+ response);
+#endif
+}
+
+/**
+ * Erases the partition indicated by cmd_parameter (clear to 0x00s). Writes
+ * to response.
+ *
+ * @param response Pointer to fastboot response buffer
+ */
+static void fb_erase(char *cmd_parameter, char *response)
+{
+#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_MMC)
+ fb_mmc_erase(cmd_parameter, response);
+#endif
+#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_NAND)
+ fb_nand_erase(cmd_parameter, response);
+#endif
+}
+#endif
+
+/**
+ * Sets reboot bootloader flag if requested. Writes to response.
+ *
+ * @param response Pointer to fastboot response buffer
+ */
+static void fb_reboot_bootloader(char *cmd_parameter, char *response)
+{
+ if (fastboot_set_reboot_flag())
+ fastboot_fail("Cannot set reboot flag", response);
+ else
+ fastboot_okay(NULL, response);
+}
+
+#if CONFIG_IS_ENABLED(FASTBOOT_CMD_OEM_FORMAT)
+static void fb_oem_format(char *cmd_parameter, char *response)
+{
+ char cmdbuf[32];
+
+ if (!env_get("partitions")) {
+ fastboot_fail("partitions not set", response);
+ } else {
+ sprintf(cmdbuf, "gpt write mmc %x $partitions",
+ CONFIG_FASTBOOT_FLASH_MMC_DEV);
+ if (run_command(cmdbuf, 0))
+ fastboot_fail("", response);
+ else
+ fastboot_okay(NULL, response);
+ }
+}
+#endif
@@ -12,6 +12,13 @@
#include <common.h>
#include <fastboot.h>
+#include <net/fastboot.h>
+
+/* fastboot download buffer */
+void *fastboot_buf_addr;
+u32 fastboot_buf_size;
+
+void (*fastboot_progress_callback)(const char *msg);
/**
* Writes a response to response buffer of the form "$tag$reason".
@@ -52,3 +59,44 @@ int __weak fastboot_set_reboot_flag(void)
{
return -ENOSYS;
}
+
+void fastboot_boot(void *addr)
+{
+ char *s;
+
+ s = env_get("fastboot_bootcmd");
+ if (s) {
+ run_command(s, CMD_FLAG_ENV);
+ } else {
+ static char boot_addr_start[12];
+ static char *const bootm_args[] = {
+ "bootm", boot_addr_start, NULL
+ };
+
+ snprintf(boot_addr_start, sizeof(boot_addr_start) - 1,
+ "0x%lx", (long)addr);
+ printf("Booting kernel at %s...\n\n\n", boot_addr_start);
+
+ do_bootm(NULL, 0, 2, bootm_args);
+
+ /*
+ * This only happens if image is somehow faulty so we start
+ * over. We deliberately leave this policy to the invocation
+ * of fastbootcmd if that's what's being run
+ */
+ do_reset(NULL, 0, 0, NULL);
+ }
+}
+
+void fastboot_set_progress_callback(void (*progress)(const char *msg))
+{
+ fastboot_progress_callback = progress;
+}
+
+void fastboot_init(void *buf_addr, u32 buf_size)
+{
+ fastboot_buf_addr = buf_addr ? buf_addr :
+ (void *)CONFIG_FASTBOOT_BUF_ADDR;
+ fastboot_buf_size = buf_size ? buf_size : CONFIG_FASTBOOT_BUF_SIZE;
+ fastboot_set_progress_callback(NULL);
+}
new file mode 100644
@@ -0,0 +1,222 @@
+// SPDX-License-Identifier: BSD-2-Clause
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ */
+
+#include <common.h>
+#include <fastboot.h>
+#include <fb_mmc.h>
+#include <fb_nand.h>
+#include <fs.h>
+#include <version.h>
+
+static void fb_getvar_version(char *var_parameter, char *response);
+static void fb_getvar_bootloader_version(char *var_parameter, char *response);
+static void fb_getvar_downloadsize(char *var_parameter, char *response);
+static void fb_getvar_serialno(char *var_parameter, char *response);
+static void fb_getvar_version_baseband(char *var_parameter, char *response);
+static void fb_getvar_product(char *var_parameter, char *response);
+static void fb_getvar_current_slot(char *var_parameter, char *response);
+static void fb_getvar_slot_suffixes(char *var_parameter, char *response);
+static void fb_getvar_has_slot(char *var_parameter, char *response);
+#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_MMC)
+static void fb_getvar_partition_type(char *part_name, char *response);
+#endif
+#if CONFIG_IS_ENABLED(FASTBOOT_FLASH)
+static void fb_getvar_partition_size(char *part_name, char *response);
+#endif
+
+static const struct {
+ const char *variable;
+ void (*dispatch)(char *var_parameter, char *response);
+} fb_getvar_dispatch[] = {
+ {
+ .variable = "version",
+ .dispatch = fb_getvar_version
+ }, {
+ .variable = "bootloader-version",
+ .dispatch = fb_getvar_bootloader_version
+ }, {
+ .variable = "version-bootloader",
+ .dispatch = fb_getvar_bootloader_version
+ }, {
+ .variable = "downloadsize",
+ .dispatch = fb_getvar_downloadsize
+ }, {
+ .variable = "max-download-size",
+ .dispatch = fb_getvar_downloadsize
+ }, {
+ .variable = "serialno",
+ .dispatch = fb_getvar_serialno
+ }, {
+ .variable = "version-baseband",
+ .dispatch = fb_getvar_version_baseband
+ }, {
+ .variable = "product",
+ .dispatch = fb_getvar_product
+ }, {
+ .variable = "current-slot",
+ .dispatch = fb_getvar_current_slot
+ }, {
+ .variable = "slot-suffixes",
+ .dispatch = fb_getvar_slot_suffixes
+ }, {
+ .variable = "has_slot",
+ .dispatch = fb_getvar_has_slot
+#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_MMC)
+ }, {
+ .variable = "partition-type",
+ .dispatch = fb_getvar_partition_type
+#endif
+#if CONFIG_IS_ENABLED(FASTBOOT_FLASH)
+ }, {
+ .variable = "partition-size",
+ .dispatch = fb_getvar_partition_size
+#endif
+ }
+};
+
+static void fb_getvar_version(char *var_parameter, char *response)
+{
+ fastboot_okay(FASTBOOT_VERSION, response);
+}
+
+static void fb_getvar_bootloader_version(char *var_parameter, char *response)
+{
+ fastboot_okay(U_BOOT_VERSION, response);
+}
+
+static void fb_getvar_downloadsize(char *var_parameter, char *response)
+{
+ fastboot_response("OKAY", response, "0x%08x", fastboot_buf_size);
+}
+
+static void fb_getvar_serialno(char *var_parameter, char *response)
+{
+ const char *tmp = env_get("serial#");
+
+ if (tmp)
+ fastboot_okay(tmp, response);
+ else
+ fastboot_fail("Value not set", response);
+}
+
+static void fb_getvar_version_baseband(char *var_parameter, char *response)
+{
+ fastboot_okay("N/A", response);
+}
+
+static void fb_getvar_product(char *var_parameter, char *response)
+{
+ const char *board = env_get("board");
+
+ if (board)
+ fastboot_okay(board, response);
+ else
+ fastboot_fail("Board not set", response);
+}
+
+static void fb_getvar_current_slot(char *var_parameter, char *response)
+{
+ /* A/B not implemented, for now always return _a */
+ fastboot_okay("_a", response);
+}
+
+static void fb_getvar_slot_suffixes(char *var_parameter, char *response)
+{
+ fastboot_okay("_a,_b", response);
+}
+
+static void fb_getvar_has_slot(char *part_name, char *response)
+{
+ if (part_name && (!strcmp(part_name, "boot") ||
+ !strcmp(part_name, "system")))
+ fastboot_okay("yes", response);
+ else
+ fastboot_okay("no", response);
+}
+
+#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_MMC)
+static void fb_getvar_partition_type(char *part_name, char *response)
+{
+ int r;
+ struct blk_desc *dev_desc;
+ disk_partition_t part_info;
+
+ r = fastboot_mmc_get_part_info(part_name, &dev_desc, &part_info,
+ response);
+ if (r >= 0) {
+ r = fs_set_blk_dev_with_part(dev_desc, r);
+ if (r < 0)
+ fastboot_fail("failed to set partition", response);
+ else
+ fastboot_okay(fs_get_type_name(), response);
+ }
+}
+#endif
+
+#if CONFIG_IS_ENABLED(FASTBOOT_FLASH)
+static void fb_getvar_partition_size(char *part_name, char *response)
+{
+ int r;
+ size_t size;
+
+#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_MMC)
+ struct blk_desc *dev_desc;
+ disk_partition_t part_info;
+
+ r = fastboot_mmc_get_part_info(part_name, &dev_desc, &part_info,
+ response);
+ if (r >= 0)
+ size = part_info.size;
+#endif
+#if CONFIG_IS_ENABLED(FASTBOOT_FLASH_NAND)
+ struct part_info *part_info;
+
+ r = fastboot_nand_get_part_info(part_name, &part_info, response);
+ if (r >= 0)
+ size = part_info->size;
+#endif
+ if (r >= 0)
+ fastboot_response("OKAY", response, "0x%016zx", size);
+}
+#endif
+
+/**
+ * Writes ascii string specified by cmd_parameter to response.
+ *
+ * @param cmd_parameter Point to command parameter
+ * @param response Pointer to fastboot response buffer
+ */
+void fastboot_getvar(char *cmd_parameter, char *response)
+{
+ if (!cmd_parameter) {
+ fastboot_fail("missing var", response);
+ } else {
+#define FASTBOOT_ENV_PREFIX "fastboot."
+ int i;
+ char *var_parameter = cmd_parameter;
+ char envstr[FASTBOOT_RESPONSE_LEN];
+ const char *s;
+
+ snprintf(envstr, sizeof(envstr) - 1,
+ FASTBOOT_ENV_PREFIX "%s", cmd_parameter);
+ s = env_get(envstr);
+ if (s) {
+ fastboot_response("OKAY", response, "%s", s);
+ return;
+ }
+
+ strsep(&var_parameter, ":");
+ for (i = 0; i < ARRAY_SIZE(fb_getvar_dispatch); ++i) {
+ if (!strcmp(fb_getvar_dispatch[i].variable,
+ cmd_parameter)) {
+ fb_getvar_dispatch[i].dispatch(var_parameter,
+ response);
+ return;
+ }
+ }
+ pr_warn("WARNING: unknown variable: %s\n", cmd_parameter);
+ fastboot_fail("Variable not implemented", response);
+ }
+}
@@ -15,6 +15,8 @@
#include <linux/compat.h>
#include <android_image.h>
+#define FASTBOOT_MAX_BLK_WRITE 16384
+
#define BOOT_PARTITION_NAME "boot"
struct fb_mmc_sparse {
@@ -43,13 +45,40 @@ static int part_get_info_by_name_or_alias(struct blk_desc *dev_desc,
return ret;
}
+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,
@@ -60,7 +89,7 @@ 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, char *response)
+ u32 download_bytes, char *response)
{
lbaint_t blkcnt;
lbaint_t blks;
@@ -77,7 +106,8 @@ static void write_raw_image(struct blk_desc *dev_desc, disk_partition_t *info,
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", response);
@@ -148,7 +178,7 @@ static lbaint_t fb_mmc_get_boot_header(struct blk_desc *dev_desc,
*/
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 */
@@ -251,8 +281,32 @@ static int fb_mmc_update_zimage(struct blk_desc *dev_desc,
}
#endif
+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;
+}
+
void fb_mmc_flash_write(const char *cmd, void *download_buffer,
- unsigned int download_bytes, char *response)
+ u32 download_bytes, char *response)
{
struct blk_desc *dev_desc;
disk_partition_t info;
@@ -389,7 +443,8 @@ void fb_mmc_erase(const char *cmd, char *response)
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\n", dev_desc->devnum);
fastboot_fail("failed erasing from device", response);
@@ -88,7 +88,7 @@ static int _fb_nand_erase(struct mtd_info *mtd, struct part_info *part)
}
static int _fb_nand_write(struct mtd_info *mtd, struct part_info *part,
- void *buffer, unsigned int offset,
+ void *buffer, u32 offset,
size_t length, size_t *written)
{
int flags = WITH_WR_VERIFY;
@@ -145,8 +145,16 @@ static lbaint_t fb_nand_sparse_reserve(struct sparse_storage *info,
return blkcnt + bad_blocks;
}
+int fastboot_nand_get_part_info(char *part_name, struct part_info **part_info,
+ char *response)
+{
+ struct mtd_info *mtd = NULL;
+
+ return fb_nand_lookup(part_name, &mtd, part_info, response);
+}
+
void fb_nand_flash_write(const char *cmd, void *download_buffer,
- unsigned int download_bytes, char *response)
+ u32 download_bytes, char *response)
{
struct part_info *part;
struct mtd_info *mtd = NULL;
@@ -15,8 +15,39 @@
#define FASTBOOT_VERSION "0.4"
/* The 64 defined bytes plus \0 */
+#define FASTBOOT_COMMAND_LEN (64 + 1)
#define FASTBOOT_RESPONSE_LEN (64 + 1)
+/**
+ * All known commands to fastboot
+ */
+enum {
+ FASTBOOT_COMMAND_GETVAR = 0,
+ FASTBOOT_COMMAND_DOWNLOAD,
+#if CONFIG_IS_ENABLED(FASTBOOT_FLASH)
+ FASTBOOT_COMMAND_FLASH,
+ FASTBOOT_COMMAND_ERASE,
+#endif
+ FASTBOOT_COMMAND_BOOT,
+ FASTBOOT_COMMAND_CONTINUE,
+ FASTBOOT_COMMAND_REBOOT,
+ FASTBOOT_COMMAND_REBOOT_BOOTLOADER,
+ FASTBOOT_COMMAND_SET_ACTIVE,
+#if CONFIG_IS_ENABLED(FASTBOOT_CMD_OEM_FORMAT)
+ FASTBOOT_COMMAND_OEM_FORMAT,
+#endif
+
+ FASTBOOT_COMMAND_COUNT
+};
+
+extern void *fastboot_buf_addr;
+extern u32 fastboot_buf_size;
+
+extern u32 fastboot_bytes_received;
+extern u32 fastboot_bytes_expected;
+
+extern void (*fastboot_progress_callback)(const char *msg);
+
void fastboot_response(const char *tag, char *response,
const char *format, ...)
__attribute__ ((format (__printf__, 3, 4)));
@@ -24,4 +55,20 @@ void fastboot_response(const char *tag, char *response,
void fastboot_fail(const char *reason, char *response);
void fastboot_okay(const char *reason, char *response);
int fastboot_set_reboot_flag(void);
+
+/**
+ * Writes ascii string specified by cmd_parameter to response.
+ *
+ * @param cmd_parameter Pointer to variable name
+ * @param response Pointer to fastboot response buffer
+ */
+void fastboot_getvar(char *cmd_parameter, char *response);
+
+void fastboot_init(void *buf_addr, u32 buf_size);
+void fastboot_set_progress_callback(void (*progress)(const char *msg));
+
+void fastboot_boot(void *addr);
+int fastboot_handle_command(char *cmd_string, char *response);
+void fastboot_download_data(const void *fastboot_data,
+ unsigned int fastboot_data_len, char *response);
#endif /* _FASTBOOT_H_ */
@@ -3,6 +3,12 @@
* Copyright 2014 Broadcom Corporation.
*/
+#ifndef _FB_MMC_H_
+#define _FB_MMC_H_
+
+int fastboot_mmc_get_part_info(char *part_name, struct blk_desc **dev_desc,
+ disk_partition_t *part_info, char *response);
void fb_mmc_flash_write(const char *cmd, void *download_buffer,
- unsigned int download_bytes, char *response);
+ u32 download_bytes, char *response);
void fb_mmc_erase(const char *cmd, char *response);
+#endif
@@ -4,6 +4,14 @@
* Copyright 2015 Free Electrons.
*/
+#ifndef _FB_NAND_H_
+#define _FB_NAND_H_
+
+#include <jffs2/load_kernel.h>
+
+int fastboot_nand_get_part_info(char *part_name, struct part_info **part_info,
+ char *response);
void fb_nand_flash_write(const char *cmd, void *download_buffer,
- unsigned int download_bytes, char *response);
+ u32 download_bytes, char *response);
void fb_nand_erase(const char *cmd, char *response);
+#endif
@@ -535,7 +535,7 @@ extern int net_restart_wrap; /* Tried all network devices */
enum proto_t {
BOOTP, RARP, ARP, TFTPGET, DHCP, PING, DNS, NFS, CDP, NETCONS, SNTP,
- TFTPSRV, TFTPPUT, LINKLOCAL
+ TFTPSRV, TFTPPUT, LINKLOCAL, FASTBOOT
};
extern char net_boot_file_name[1024];/* Boot File name */
new file mode 100644
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (C) 2016 The Android Open Source Project
+ */
+
+#ifndef __NET_FASTBOOT_H__
+#define __NET_FASTBOOT_H__
+
+/**********************************************************************/
+/*
+ * Global functions and variables.
+ */
+
+/**
+ * Wait for incoming fastboot comands.
+ */
+void fastboot_start_server(void);
+
+/**********************************************************************/
+
+#endif /* __NET_FASTBOOT_H__ */
@@ -23,6 +23,7 @@ obj-$(CONFIG_CMD_PING) += ping.o
obj-$(CONFIG_CMD_RARP) += rarp.o
obj-$(CONFIG_CMD_SNTP) += sntp.o
obj-$(CONFIG_CMD_TFTPBOOT) += tftp.o
+obj-$(CONFIG_UDP_FUNCTION_FASTBOOT) += fastboot.o
# Disable this warning as it is triggered by:
# sprintf(buf, index ? "foo%d" : "foo", index)
new file mode 100644
@@ -0,0 +1,310 @@
+// SPDX-License-Identifier: BSD-2-Clause
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ */
+
+#include <common.h>
+#include <fastboot.h>
+#include <net.h>
+#include <net/fastboot.h>
+
+/* Fastboot port # defined in spec */
+#define WELL_KNOWN_PORT 5554
+
+enum {
+ FASTBOOT_ERROR = 0,
+ FASTBOOT_QUERY = 1,
+ FASTBOOT_INIT = 2,
+ FASTBOOT_FASTBOOT = 3,
+};
+
+struct __packed fastboot_header {
+ uchar id;
+ uchar flags;
+ unsigned short seq;
+};
+
+#define PACKET_SIZE 1024
+#define DATA_SIZE (PACKET_SIZE - sizeof(struct fastboot_header))
+
+/* Sequence number sent for every packet */
+static unsigned short fb_sequence_number = 1;
+static const unsigned short fb_packet_size = PACKET_SIZE;
+static const unsigned short fb_udp_version = 1;
+
+/* Keep track of last packet for resubmission */
+static uchar last_packet[PACKET_SIZE];
+static unsigned int last_packet_len;
+
+static struct in_addr fastboot_remote_ip;
+/* The UDP port at their end */
+static int fastboot_remote_port;
+/* The UDP port at our end */
+static int fastboot_our_port;
+
+static void boot_downloaded_image(void);
+
+#if CONFIG_IS_ENABLED(FASTBOOT_FLASH)
+/**
+ * Send an INFO packet during long commands
+ *
+ * @param msg: String describing the reason for waiting
+ */
+static void fastboot_udp_send_info(const char *msg)
+{
+ uchar *packet;
+ uchar *packet_base;
+ int len = 0;
+ char response[FASTBOOT_RESPONSE_LEN] = {0};
+
+ struct fastboot_header fb_response_header = {
+ .id = FASTBOOT_FASTBOOT,
+ .flags = 0,
+ .seq = htons(fb_sequence_number)
+ };
+ ++fb_sequence_number;
+ packet = net_tx_packet + net_eth_hdr_size() + IP_UDP_HDR_SIZE;
+ packet_base = packet;
+
+ /* Write headers */
+ memcpy(packet, &fb_response_header, sizeof(fb_response_header));
+ packet += sizeof(fb_response_header);
+ /* Write response */
+ fastboot_response("INFO", response, "%s", msg);
+ memcpy(packet, response, strlen(response));
+ packet += strlen(response);
+
+ len = packet - packet_base;
+
+ /* Save packet for retransmitting */
+ last_packet_len = len;
+ memcpy(last_packet, packet_base, last_packet_len);
+
+ net_send_udp_packet(net_server_ethaddr, fastboot_remote_ip,
+ fastboot_remote_port, fastboot_our_port, len);
+}
+
+/**
+ * Send an INFO packet during long commands based on timer. An INFO packet
+ * is sent if the time is 30 seconds after start. Else, noop.
+ *
+ * @param msg: String describing the reason for waiting
+ */
+static void fastboot_timed_send_info(const char *msg)
+{
+ static ulong start;
+
+ /* Initialize timer */
+ if (start == 0)
+ start = get_timer(0);
+ ulong time = get_timer(start);
+ /* Send INFO packet to host every 30 seconds */
+ if (time >= 30000) {
+ start = get_timer(0);
+ fastboot_udp_send_info(msg);
+ }
+}
+#endif
+
+/**
+ * Constructs and sends a packet in response to received fastboot packet
+ *
+ * @param fb_header Header for response packet
+ * @param fastboot_data Pointer to received fastboot data
+ * @param fastboot_data_len Length of received fastboot data
+ * @param retransmit Nonzero if sending last sent packet
+ */
+static void fastboot_send(struct fastboot_header fb_header, char *fastboot_data,
+ unsigned int fastboot_data_len, uchar retransmit)
+{
+ uchar *packet;
+ uchar *packet_base;
+ int len = 0;
+ const char *error_msg = "An error occurred.";
+ short tmp;
+ struct fastboot_header fb_response_header = fb_header;
+ static char command[FASTBOOT_COMMAND_LEN];
+ static int cmd = -1;
+ static bool pending_command;
+ char response[FASTBOOT_RESPONSE_LEN] = {0};
+
+ /*
+ * We will always be sending some sort of packet, so
+ * cobble together the packet headers now.
+ */
+ packet = net_tx_packet + net_eth_hdr_size() + IP_UDP_HDR_SIZE;
+ packet_base = packet;
+
+ /* Resend last packet */
+ if (retransmit) {
+ memcpy(packet, last_packet, last_packet_len);
+ net_send_udp_packet(net_server_ethaddr, fastboot_remote_ip,
+ fastboot_remote_port, fastboot_our_port,
+ last_packet_len);
+ return;
+ }
+
+ fb_response_header.seq = htons(fb_response_header.seq);
+ memcpy(packet, &fb_response_header, sizeof(fb_response_header));
+ packet += sizeof(fb_response_header);
+
+ switch (fb_header.id) {
+ case FASTBOOT_QUERY:
+ tmp = htons(fb_sequence_number);
+ memcpy(packet, &tmp, sizeof(tmp));
+ packet += sizeof(tmp);
+ break;
+ case FASTBOOT_INIT:
+ tmp = htons(fb_udp_version);
+ memcpy(packet, &tmp, sizeof(tmp));
+ packet += sizeof(tmp);
+ tmp = htons(fb_packet_size);
+ memcpy(packet, &tmp, sizeof(tmp));
+ packet += sizeof(tmp);
+ break;
+ case FASTBOOT_ERROR:
+ memcpy(packet, error_msg, strlen(error_msg));
+ packet += strlen(error_msg);
+ break;
+ case FASTBOOT_FASTBOOT:
+ if (cmd == FASTBOOT_COMMAND_DOWNLOAD) {
+ fastboot_download_data(fastboot_data, fastboot_data_len,
+ response);
+ } else if (!pending_command) {
+ strlcpy(command, fastboot_data,
+ min((size_t)fastboot_data_len + 1,
+ sizeof(command)));
+ pending_command = true;
+ } else {
+ cmd = fastboot_handle_command(command, response);
+ pending_command = false;
+ }
+ /*
+ * Sent some INFO packets, need to update sequence number in
+ * header
+ */
+ if (fb_header.seq != fb_sequence_number) {
+ fb_response_header.seq = htons(fb_sequence_number);
+ memcpy(packet_base, &fb_response_header,
+ sizeof(fb_response_header));
+ }
+ /* Write response to packet */
+ memcpy(packet, response, strlen(response));
+ packet += strlen(response);
+ break;
+ default:
+ pr_err("ID %d not implemented.\n", fb_header.id);
+ return;
+ }
+
+ len = packet - packet_base;
+
+ /* Save packet for retransmitting */
+ last_packet_len = len;
+ memcpy(last_packet, packet_base, last_packet_len);
+
+ net_send_udp_packet(net_server_ethaddr, fastboot_remote_ip,
+ fastboot_remote_port, fastboot_our_port, len);
+
+ /* Continue boot process after sending response */
+ if (!strncmp("OKAY", response, 4)) {
+ switch (cmd) {
+ case FASTBOOT_COMMAND_BOOT:
+ boot_downloaded_image();
+ break;
+
+ case FASTBOOT_COMMAND_CONTINUE:
+ net_set_state(NETLOOP_SUCCESS);
+ break;
+
+ case FASTBOOT_COMMAND_REBOOT:
+ case FASTBOOT_COMMAND_REBOOT_BOOTLOADER:
+ do_reset(NULL, 0, 0, NULL);
+ break;
+ }
+ }
+
+ if (!strncmp("OKAY", response, 4) || !strncmp("FAIL", response, 4))
+ cmd = -1;
+}
+
+/**
+ * Boots into downloaded image.
+ */
+static void boot_downloaded_image(void)
+{
+ fastboot_boot(fastboot_buf_addr);
+ net_set_state(NETLOOP_SUCCESS);
+}
+
+/**
+ * Incoming UDP packet handler.
+ *
+ * @param packet Pointer to incoming UDP packet
+ * @param dport Destination UDP port
+ * @param sip Source IP address
+ * @param sport Source UDP port
+ * @param len Packet length
+ */
+static void fastboot_handler(uchar *packet, unsigned int dport,
+ struct in_addr sip, unsigned int sport,
+ unsigned int len)
+{
+ struct fastboot_header fb_header;
+ char fastboot_data[DATA_SIZE] = {0};
+ unsigned int fastboot_data_len = 0;
+
+ if (dport != fastboot_our_port)
+ return;
+
+ fastboot_remote_ip = sip;
+ fastboot_remote_port = sport;
+
+ if (len < sizeof(struct fastboot_header) || len > PACKET_SIZE)
+ return;
+ memcpy(&fb_header, packet, sizeof(fb_header));
+ fb_header.flags = 0;
+ fb_header.seq = ntohs(fb_header.seq);
+ packet += sizeof(fb_header);
+ len -= sizeof(fb_header);
+
+ switch (fb_header.id) {
+ case FASTBOOT_QUERY:
+ fastboot_send(fb_header, fastboot_data, 0, 0);
+ break;
+ case FASTBOOT_INIT:
+ case FASTBOOT_FASTBOOT:
+ fastboot_data_len = len;
+ if (len > 0)
+ memcpy(fastboot_data, packet, len);
+ if (fb_header.seq == fb_sequence_number) {
+ fastboot_send(fb_header, fastboot_data,
+ fastboot_data_len, 0);
+ fb_sequence_number++;
+ } else if (fb_header.seq == fb_sequence_number - 1) {
+ /* Retransmit last sent packet */
+ fastboot_send(fb_header, fastboot_data,
+ fastboot_data_len, 1);
+ }
+ break;
+ default:
+ pr_err("ID %d not implemented.\n", fb_header.id);
+ fb_header.id = FASTBOOT_ERROR;
+ fastboot_send(fb_header, fastboot_data, 0, 0);
+ break;
+ }
+}
+
+void fastboot_start_server(void)
+{
+ printf("Using %s device\n", eth_get_name());
+ printf("Listening for fastboot command on %pI4\n", &net_ip);
+
+ fastboot_our_port = WELL_KNOWN_PORT;
+
+ fastboot_set_progress_callback(fastboot_timed_send_info);
+ net_set_udp_handler(fastboot_handler);
+
+ /* zero out server ether in case the server ip has changed */
+ memset(net_server_ethaddr, 0, 6);
+}
@@ -87,6 +87,7 @@
#include <environment.h>
#include <errno.h>
#include <net.h>
+#include <net/fastboot.h>
#include <net/tftp.h>
#if defined(CONFIG_LED_STATUS)
#include <miiphy.h>
@@ -451,6 +452,11 @@ restart:
tftp_start_server();
break;
#endif
+#ifdef CONFIG_UDP_FUNCTION_FASTBOOT
+ case FASTBOOT:
+ fastboot_start_server();
+ break;
+#endif
#if defined(CONFIG_CMD_DHCP)
case DHCP:
bootp_reset();
@@ -1322,6 +1328,7 @@ common:
/* Fall through */
case NETCONS:
+ case FASTBOOT:
case TFTPSRV:
if (net_ip.s_addr == 0) {
puts("*** ERROR: `ipaddr' not set\n");