| /* |
| * (C) Copyright 2008 - 2009 |
| * Windriver, <www.windriver.com> |
| * Tom Rix <Tom.Rix@windriver.com> |
| * |
| * Copyright 2011 Sebastian Andrzej Siewior <bigeasy@linutronix.de> |
| * |
| * Copyright 2014 Linaro, Ltd. |
| * Rob Herring <robh@kernel.org> |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| #include <config.h> |
| #include <common.h> |
| #include <errno.h> |
| #include <malloc.h> |
| #include <linux/usb/ch9.h> |
| #include <linux/usb/gadget.h> |
| #include <linux/usb/composite.h> |
| #include <linux/compiler.h> |
| #include <version.h> |
| #include <g_dnl.h> |
| #include <asm/arch/cpu.h> |
| #ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV |
| #include <fb_mmc.h> |
| #include <fb_storage.h> |
| #endif |
| #include <partition_table.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| #define FASTBOOT_VERSION "0.4" |
| |
| #define FASTBOOT_INTERFACE_CLASS 0xff |
| #define FASTBOOT_INTERFACE_SUB_CLASS 0x42 |
| #define FASTBOOT_INTERFACE_PROTOCOL 0x03 |
| |
| #define RX_ENDPOINT_MAXIMUM_PACKET_SIZE_2_0 (0x0200) |
| #define RX_ENDPOINT_MAXIMUM_PACKET_SIZE_1_1 (0x0040) |
| #define TX_ENDPOINT_MAXIMUM_PACKET_SIZE (0x0040) |
| |
| #define DEVICE_PRODUCT CONFIG_DEVICE_PRODUCT |
| #define DEVICE_SERIAL "1234567890" |
| |
| /* The 64 defined bytes plus \0 */ |
| #define RESPONSE_LEN (64 + 1) |
| |
| #define EP_BUFFER_SIZE 4096 |
| |
| struct f_fastboot { |
| struct usb_function usb_function; |
| |
| /* IN/OUT EP's and corresponding requests */ |
| struct usb_ep *in_ep, *out_ep; |
| struct usb_request *in_req, *out_req; |
| }; |
| |
| static inline struct f_fastboot *func_to_fastboot(struct usb_function *f) |
| { |
| return container_of(f, struct f_fastboot, usb_function); |
| } |
| |
| static struct f_fastboot *fastboot_func; |
| static unsigned int download_size; |
| static unsigned int download_bytes; |
| |
| static struct usb_endpoint_descriptor fs_ep_in = { |
| .bLength = USB_DT_ENDPOINT_SIZE, |
| .bDescriptorType = USB_DT_ENDPOINT, |
| .bEndpointAddress = USB_DIR_IN, |
| .bmAttributes = USB_ENDPOINT_XFER_BULK, |
| .wMaxPacketSize = RX_ENDPOINT_MAXIMUM_PACKET_SIZE_2_0, |
| .bInterval = 0x00, |
| }; |
| |
| static struct usb_endpoint_descriptor fs_ep_out = { |
| .bLength = USB_DT_ENDPOINT_SIZE, |
| .bDescriptorType = USB_DT_ENDPOINT, |
| .bEndpointAddress = USB_DIR_OUT, |
| .bmAttributes = USB_ENDPOINT_XFER_BULK, |
| .wMaxPacketSize = RX_ENDPOINT_MAXIMUM_PACKET_SIZE_1_1, |
| .bInterval = 0x00, |
| }; |
| |
| static struct usb_endpoint_descriptor hs_ep_out = { |
| .bLength = USB_DT_ENDPOINT_SIZE, |
| .bDescriptorType = USB_DT_ENDPOINT, |
| .bEndpointAddress = USB_DIR_OUT, |
| .bmAttributes = USB_ENDPOINT_XFER_BULK, |
| .wMaxPacketSize = RX_ENDPOINT_MAXIMUM_PACKET_SIZE_2_0, |
| .bInterval = 0x00, |
| }; |
| |
| static struct usb_interface_descriptor interface_desc = { |
| .bLength = USB_DT_INTERFACE_SIZE, |
| .bDescriptorType = USB_DT_INTERFACE, |
| .bInterfaceNumber = 0x00, |
| .bAlternateSetting = 0x00, |
| .bNumEndpoints = 0x02, |
| .bInterfaceClass = FASTBOOT_INTERFACE_CLASS, |
| .bInterfaceSubClass = FASTBOOT_INTERFACE_SUB_CLASS, |
| .bInterfaceProtocol = FASTBOOT_INTERFACE_PROTOCOL, |
| }; |
| |
| static struct usb_descriptor_header *fb_runtime_descs[] = { |
| (struct usb_descriptor_header *)&interface_desc, |
| (struct usb_descriptor_header *)&fs_ep_in, |
| (struct usb_descriptor_header *)&hs_ep_out, |
| NULL, |
| }; |
| |
| /* |
| * static strings, in UTF-8 |
| */ |
| static const char fastboot_name[] = "Android Fastboot"; |
| |
| static struct usb_string fastboot_string_defs[] = { |
| [0].s = fastboot_name, |
| { } /* end of list */ |
| }; |
| |
| static struct usb_gadget_strings stringtab_fastboot = { |
| .language = 0x0409, /* en-us */ |
| .strings = fastboot_string_defs, |
| }; |
| |
| static struct usb_gadget_strings *fastboot_strings[] = { |
| &stringtab_fastboot, |
| NULL, |
| }; |
| |
| #define DRAM_UBOOT_RESERVE 0x01000000 |
| unsigned int ddr_size_usable(unsigned int addr_start) |
| { |
| unsigned int ddr_size=0; |
| int i; |
| |
| for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) |
| ddr_size += gd->bd->bi_dram[i].size; |
| |
| return (ddr_size - DRAM_UBOOT_RESERVE - addr_start - CONFIG_SYS_MALLOC_LEN - CONFIG_SYS_MEM_TOP_HIDE); |
| } |
| |
| static void rx_handler_command(struct usb_ep *ep, struct usb_request *req); |
| |
| static void fastboot_complete(struct usb_ep *ep, struct usb_request *req) |
| { |
| int status = req->status; |
| |
| if (!status) |
| return; |
| printf("status: %d ep '%s' trans: %d\n", status, ep->name, req->actual); |
| } |
| |
| static int fastboot_bind(struct usb_configuration *c, struct usb_function *f) |
| { |
| int id; |
| struct usb_gadget *gadget = c->cdev->gadget; |
| struct f_fastboot *f_fb = func_to_fastboot(f); |
| |
| /* DYNAMIC interface numbers assignments */ |
| id = usb_interface_id(c, f); |
| if (id < 0) |
| return id; |
| interface_desc.bInterfaceNumber = id; |
| |
| id = usb_string_id(c->cdev); |
| if (id < 0) |
| return id; |
| fastboot_string_defs[0].id = id; |
| interface_desc.iInterface = id; |
| |
| f_fb->in_ep = usb_ep_autoconfig(gadget, &fs_ep_in); |
| if (!f_fb->in_ep) |
| return -ENODEV; |
| f_fb->in_ep->driver_data = c->cdev; |
| |
| f_fb->out_ep = usb_ep_autoconfig(gadget, &fs_ep_out); |
| if (!f_fb->out_ep) |
| return -ENODEV; |
| f_fb->out_ep->driver_data = c->cdev; |
| |
| hs_ep_out.bEndpointAddress = fs_ep_out.bEndpointAddress; |
| |
| return 0; |
| } |
| |
| static void fastboot_unbind(struct usb_configuration *c, struct usb_function *f) |
| { |
| memset(fastboot_func, 0, sizeof(*fastboot_func)); |
| } |
| |
| static void fastboot_disable(struct usb_function *f) |
| { |
| struct f_fastboot *f_fb = func_to_fastboot(f); |
| |
| usb_ep_disable(f_fb->out_ep); |
| usb_ep_disable(f_fb->in_ep); |
| |
| if (f_fb->out_req) { |
| free(f_fb->out_req->buf); |
| usb_ep_free_request(f_fb->out_ep, f_fb->out_req); |
| f_fb->out_req = NULL; |
| } |
| if (f_fb->in_req) { |
| free(f_fb->in_req->buf); |
| usb_ep_free_request(f_fb->in_ep, f_fb->in_req); |
| f_fb->in_req = NULL; |
| } |
| } |
| |
| static struct usb_request *fastboot_start_ep(struct usb_ep *ep) |
| { |
| struct usb_request *req; |
| |
| req = usb_ep_alloc_request(ep, 0); |
| if (!req) |
| return NULL; |
| |
| req->length = EP_BUFFER_SIZE; |
| req->buf = memalign(CONFIG_SYS_CACHELINE_SIZE, EP_BUFFER_SIZE); |
| if (!req->buf) { |
| usb_ep_free_request(ep, req); |
| return NULL; |
| } |
| |
| memset(req->buf, 0, req->length); |
| return req; |
| } |
| |
| static int fastboot_set_alt(struct usb_function *f, |
| unsigned interface, unsigned alt) |
| { |
| int ret; |
| struct f_fastboot *f_fb = func_to_fastboot(f); |
| |
| debug("%s: func: %s intf: %d alt: %d\n", |
| __func__, f->name, interface, alt); |
| |
| /* make sure we don't enable the ep twice */ |
| ret = usb_ep_enable(f_fb->out_ep, &hs_ep_out); |
| if (ret) { |
| puts("failed to enable out ep\n"); |
| return ret; |
| } |
| |
| f_fb->out_req = fastboot_start_ep(f_fb->out_ep); |
| if (!f_fb->out_req) { |
| puts("failed to alloc out req\n"); |
| ret = -EINVAL; |
| goto err; |
| } |
| f_fb->out_req->complete = rx_handler_command; |
| |
| ret = usb_ep_enable(f_fb->in_ep, &fs_ep_in); |
| if (ret) { |
| puts("failed to enable in ep\n"); |
| goto err; |
| } |
| |
| f_fb->in_req = fastboot_start_ep(f_fb->in_ep); |
| if (!f_fb->in_req) { |
| puts("failed alloc req in\n"); |
| ret = -EINVAL; |
| goto err; |
| } |
| f_fb->in_req->complete = fastboot_complete; |
| |
| ret = usb_ep_queue(f_fb->out_ep, f_fb->out_req, 0); |
| if (ret) |
| goto err; |
| |
| return 0; |
| err: |
| fastboot_disable(f); |
| return ret; |
| } |
| |
| static int fastboot_setup(struct usb_function *f, |
| const struct usb_ctrlrequest *ctrl) |
| { |
| int value = -EOPNOTSUPP; |
| struct f_fastboot *f_fb = func_to_fastboot(f); |
| |
| /* composite driver infrastructure handles everything; interface |
| * activation uses set_alt(). |
| */ |
| if (((ctrl->bRequestType & USB_RECIP_MASK) == USB_RECIP_ENDPOINT) |
| && (ctrl->bRequest == USB_REQ_CLEAR_FEATURE) |
| && (ctrl->wValue== USB_ENDPOINT_HALT)) { |
| switch (ctrl->wIndex & 0xfe) { |
| case USB_DIR_OUT: |
| value = ctrl->wLength; |
| usb_ep_clear_halt(f_fb->out_ep); |
| break; |
| |
| case USB_DIR_IN: |
| value = ctrl->wLength; |
| usb_ep_clear_halt(f_fb->in_ep); |
| break; |
| default: |
| printf("unknown usb_ctrlrequest\n"); |
| break; |
| } |
| } |
| |
| return value; |
| } |
| |
| static int fastboot_add(struct usb_configuration *c) |
| { |
| struct f_fastboot *f_fb = fastboot_func; |
| int status; |
| |
| if (!f_fb) { |
| f_fb = memalign(CONFIG_SYS_CACHELINE_SIZE, sizeof(*f_fb)); |
| if (!f_fb) |
| return -ENOMEM; |
| |
| fastboot_func = f_fb; |
| memset(f_fb, 0, sizeof(*f_fb)); |
| } |
| |
| f_fb->usb_function.name = "f_fastboot"; |
| f_fb->usb_function.hs_descriptors = fb_runtime_descs; |
| f_fb->usb_function.bind = fastboot_bind; |
| f_fb->usb_function.unbind = fastboot_unbind; |
| f_fb->usb_function.set_alt = fastboot_set_alt; |
| f_fb->usb_function.disable = fastboot_disable; |
| f_fb->usb_function.strings = fastboot_strings; |
| f_fb->usb_function.setup = fastboot_setup; |
| |
| status = usb_add_function(c, &f_fb->usb_function); |
| if (status) { |
| free(f_fb); |
| fastboot_func = f_fb; |
| } |
| |
| return status; |
| } |
| DECLARE_GADGET_BIND_CALLBACK(usb_dnl_fastboot, fastboot_add); |
| |
| static int fastboot_tx_write(const char *buffer, unsigned int buffer_size) |
| { |
| struct usb_request *in_req = fastboot_func->in_req; |
| int ret; |
| |
| memcpy(in_req->buf, buffer, buffer_size); |
| in_req->length = buffer_size; |
| ret = usb_ep_queue(fastboot_func->in_ep, in_req, 0); |
| if (ret) |
| printf("Error %d on queue\n", ret); |
| return 0; |
| } |
| |
| static int fastboot_tx_write_str(const char *buffer) |
| { |
| return fastboot_tx_write(buffer, strlen(buffer)); |
| } |
| |
| static void compl_do_reset(struct usb_ep *ep, struct usb_request *req) |
| { |
| do_reset(NULL, 0, 0, NULL); |
| } |
| |
| static void compl_do_reboot_bootloader(struct usb_ep *ep, struct usb_request *req) |
| { |
| run_command("reboot fastboot", 0); |
| } |
| |
| |
| static void cb_reboot(struct usb_ep *ep, struct usb_request *req) |
| { |
| char *cmd = req->buf; |
| |
| printf("cmd is %s\n", cmd); |
| |
| strsep(&cmd, "-"); |
| if (!cmd) { |
| fastboot_func->in_req->complete = compl_do_reset; |
| fastboot_tx_write_str("OKAY"); |
| return; |
| } |
| |
| fastboot_func->in_req->complete = compl_do_reboot_bootloader; |
| fastboot_tx_write_str("OKAY"); |
| } |
| |
| static int strcmp_l1(const char *s1, const char *s2) |
| { |
| if (!s1 || !s2) |
| return -1; |
| return strncmp(s1, s2, strlen(s1)); |
| } |
| |
| static void cb_getvar(struct usb_ep *ep, struct usb_request *req) |
| { |
| char *cmd = req->buf; |
| char response[RESPONSE_LEN]; |
| char *s; |
| char *s1; |
| char *s2; |
| char *s3; |
| size_t chars_left; |
| |
| strcpy(response, "OKAY"); |
| chars_left = sizeof(response) - strlen(response) - 1; |
| |
| strsep(&cmd, ":"); |
| if (!cmd) { |
| error("missing variable\n"); |
| fastboot_tx_write_str("FAILmissing var"); |
| return; |
| } |
| |
| if (!strcmp_l1("version", cmd)) { |
| strncat(response, FASTBOOT_VERSION, chars_left); |
| } else if (!strcmp_l1("bootloader-version", cmd)) { |
| strncat(response, U_BOOT_VERSION, chars_left); |
| } else if (!strcmp_l1("downloadsize", cmd) || |
| !strcmp_l1("max-download-size", cmd)) { |
| char str_num[12]; |
| |
| sprintf(str_num, "0x%08x", ddr_size_usable(CONFIG_USB_FASTBOOT_BUF_ADDR)); |
| strncat(response, str_num, chars_left); |
| } else if (!strcmp_l1("serialno", cmd)) { |
| //s = getenv("serial"); |
| s = get_usid_string(); |
| if (s) |
| strncat(response, s, chars_left); |
| else |
| strncat(response, DEVICE_SERIAL, chars_left); |
| } else if (!strcmp_l1("product", cmd)) { |
| s1 = DEVICE_PRODUCT; |
| strncat(response, s1, chars_left); |
| } else if (!strcmp_l1("slot-count", cmd)) { |
| strncat(response, "2", chars_left); |
| } else if (!strcmp_l1("slot-suffixes", cmd)) { |
| s2 = getenv("slot-suffixes"); |
| printf("slot-suffixes: %s\n", s2); |
| if (s2) |
| strncat(response, s2, chars_left); |
| else |
| strncat(response, "0", chars_left); |
| } else if (!strcmp_l1("current-slot", cmd)) { |
| s3 = getenv("active_slot"); |
| printf("active_slot: %s\n", s3); |
| strncat(response, s3, chars_left); |
| } else if (!strcmp_l1("has-slot:boot", cmd)) { |
| if (has_boot_slot == 1) { |
| printf("has boot slot\n"); |
| strncat(response, "yes", chars_left); |
| } else |
| strncat(response, "no", chars_left); |
| } /*else if (!strcmp_l1("partition-type:boot", cmd)) { |
| char *s2, *s3; |
| s2 = getenv("active_slot"); |
| printf("active_slot: %s\n", s2); |
| s3 = "boot"; |
| printf("s3 1: %s\n", s3); |
| strcat(s3, s2); |
| printf("s3 2: %s\n", s3); |
| strncat(response, s3, chars_left); |
| } */else if (!strcmp_l1("has-slot:system", cmd)) { |
| if (has_system_slot == 1) { |
| printf("has system slot\n"); |
| strncat(response, "yes", chars_left); |
| } else |
| strncat(response, "no", chars_left); |
| } else { |
| error("unknown variable: %s\n", cmd); |
| strcpy(response, "FAILVariable not implemented"); |
| } |
| fastboot_tx_write_str(response); |
| } |
| |
| static unsigned int rx_bytes_expected(void) |
| { |
| int rx_remain = download_size - download_bytes; |
| if (rx_remain < 0) |
| return 0; |
| if (rx_remain > EP_BUFFER_SIZE) |
| return EP_BUFFER_SIZE; |
| return rx_remain; |
| } |
| |
| #define BYTES_PER_DOT 0x20000 |
| static void rx_handler_dl_image(struct usb_ep *ep, struct usb_request *req) |
| { |
| char response[RESPONSE_LEN]; |
| unsigned int transfer_size = download_size - download_bytes; |
| const unsigned char *buffer = req->buf; |
| unsigned int buffer_size = req->actual; |
| unsigned int pre_dot_num, now_dot_num; |
| |
| if (req->status != 0) { |
| printf("Bad status: %d\n", req->status); |
| return; |
| } |
| |
| if (buffer_size < transfer_size) |
| transfer_size = buffer_size; |
| |
| memcpy((void *)CONFIG_USB_FASTBOOT_BUF_ADDR + download_bytes, |
| buffer, transfer_size); |
| |
| pre_dot_num = download_bytes / BYTES_PER_DOT; |
| download_bytes += transfer_size; |
| now_dot_num = download_bytes / BYTES_PER_DOT; |
| |
| if (pre_dot_num != now_dot_num) { |
| putc('.'); |
| if (!(now_dot_num % 74)) |
| putc('\n'); |
| } |
| |
| /* Check if transfer is done */ |
| if (download_bytes >= download_size) { |
| /* |
| * Reset global transfer variable, keep download_bytes because |
| * it will be used in the next possible flashing command |
| */ |
| download_size = 0; |
| req->complete = rx_handler_command; |
| req->length = EP_BUFFER_SIZE; |
| |
| sprintf(response, "OKAY"); |
| fastboot_tx_write_str(response); |
| |
| printf("\ndownloading of %d bytes finished\n", download_bytes); |
| } else { |
| req->length = rx_bytes_expected(); |
| if (req->length < ep->maxpacket) |
| req->length = ep->maxpacket; |
| } |
| |
| req->actual = 0; |
| usb_ep_queue(ep, req, 0); |
| } |
| |
| static void cb_download(struct usb_ep *ep, struct usb_request *req) |
| { |
| char *cmd = req->buf; |
| char response[RESPONSE_LEN]; |
| |
| printf("cmd is %s\n", cmd); |
| |
| strsep(&cmd, ":"); |
| download_size = simple_strtoul(cmd, NULL, 16); |
| download_bytes = 0; |
| |
| printf("Starting download of %d bytes\n", download_size); |
| |
| if (0 == download_size) { |
| sprintf(response, "FAILdata invalid size"); |
| } else if (download_size > ddr_size_usable(CONFIG_USB_FASTBOOT_BUF_ADDR)) { |
| download_size = 0; |
| sprintf(response, "FAILdata too large"); |
| } else { |
| sprintf(response, "DATA%08x", download_size); |
| req->complete = rx_handler_dl_image; |
| req->length = rx_bytes_expected(); |
| if (req->length < ep->maxpacket) |
| req->length = ep->maxpacket; |
| } |
| fastboot_tx_write_str(response); |
| } |
| |
| static void do_bootm_on_complete(struct usb_ep *ep, struct usb_request *req) |
| { |
| char boot_addr_start[12]; |
| char *bootm_args[] = { "bootm", boot_addr_start, NULL }; |
| |
| puts("Booting kernel..\n"); |
| |
| sprintf(boot_addr_start, "0x%lx", load_addr); |
| do_bootm(NULL, 0, 2, bootm_args); |
| |
| /* This only happens if image is somehow faulty so we start over */ |
| do_reset(NULL, 0, 0, NULL); |
| } |
| |
| static void cb_boot(struct usb_ep *ep, struct usb_request *req) |
| { |
| fastboot_func->in_req->complete = do_bootm_on_complete; |
| 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) |
| { |
| char *cmd = req->buf; |
| char response[RESPONSE_LEN]; |
| |
| printf("cmd is %s\n", cmd); |
| |
| strsep(&cmd, ":"); |
| if (!cmd) { |
| error("missing partition name\n"); |
| fastboot_tx_write_str("FAILmissing partition name"); |
| return; |
| } |
| |
| //strcpy(response, "FAILno flash device defined"); |
| #ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV |
| fb_mmc_flash_write(cmd, (void *)CONFIG_USB_FASTBOOT_BUF_ADDR, |
| download_bytes, response); |
| #endif |
| |
| fastboot_tx_write_str(response); |
| } |
| #endif |
| |
| static void cb_set_active(struct usb_ep *ep, struct usb_request *req) |
| { |
| char *cmd = req->buf; |
| //char response[RESPONSE_LEN]; |
| int ret = 0; |
| char str[128]; |
| |
| printf("cmd is %s\n", cmd); |
| strsep(&cmd, ":"); |
| if (!cmd) { |
| error("missing slot name\n"); |
| fastboot_tx_write_str("FAILmissing slot name"); |
| return; |
| } |
| |
| sprintf(str, "set_active_slot %s", cmd); |
| printf("command: %s\n", str); |
| ret = run_command(str, 0); |
| printf("ret = %d\n", ret); |
| if (ret == 0) |
| fastboot_tx_write_str("OKAY"); |
| else |
| fastboot_tx_write_str("FAILset slot error"); |
| } |
| |
| static void cb_flashall(struct usb_ep *ep, struct usb_request *req) |
| { |
| char response[RESPONSE_LEN]; |
| char *cmd = req->buf; |
| |
| printf("cmd is %s\n", cmd); |
| |
| //strcpy(response, "FAILno flash device defined"); |
| |
| #ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV |
| fb_mmc_flash_write(cmd, (void *)CONFIG_USB_FASTBOOT_BUF_ADDR, |
| download_bytes, response); |
| #endif |
| fastboot_tx_write_str(response); |
| } |
| |
| static void cb_erase(struct usb_ep *ep, struct usb_request *req) |
| { |
| char response[RESPONSE_LEN]; |
| char *cmd = req->buf; |
| |
| printf("cmd is %s\n", cmd); |
| |
| strsep(&cmd, ":"); |
| if (!cmd) { |
| error("missing partition name\n"); |
| fastboot_tx_write_str("FAILmissing partition name"); |
| return; |
| } |
| |
| //strcpy(response, "FAILno erase device defined"); |
| #ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV |
| fb_mmc_erase_write(cmd, (void *)CONFIG_USB_FASTBOOT_BUF_ADDR, response); |
| #endif |
| fastboot_tx_write_str(response); |
| } |
| |
| static void cb_devices(struct usb_ep *ep, struct usb_request *req) |
| { |
| char response[RESPONSE_LEN]; |
| char *cmd = req->buf; |
| |
| printf("cmd is %s\n", cmd); |
| |
| strcpy(response, "AMLOGIC"); |
| |
| fastboot_tx_write_str(response); |
| } |
| |
| struct cmd_dispatch_info { |
| char *cmd; |
| void (*cb)(struct usb_ep *ep, struct usb_request *req); |
| }; |
| |
| static const struct cmd_dispatch_info cmd_dispatch_info[] = { |
| { |
| .cmd = "reboot", |
| .cb = cb_reboot, |
| }, { |
| .cmd = "getvar:", |
| .cb = cb_getvar, |
| }, { |
| .cmd = "download:", |
| .cb = cb_download, |
| }, { |
| .cmd = "boot", |
| .cb = cb_boot, |
| }, { |
| .cmd = "continue", |
| .cb = cb_continue, |
| }, |
| #ifdef CONFIG_FASTBOOT_FLASH |
| { |
| .cmd = "flash", |
| .cb = cb_flash, |
| }, |
| #endif |
| { |
| .cmd = "update", |
| .cb = cb_download, |
| }, |
| { |
| .cmd = "flashall", |
| .cb = cb_flashall, |
| }, |
| { |
| .cmd = "erase", |
| .cb = cb_erase, |
| }, |
| { |
| .cmd = "devices", |
| .cb = cb_devices, |
| }, |
| { |
| .cmd = "reboot-bootloader", |
| .cb = cb_reboot, |
| }, |
| { |
| .cmd = "set_active", |
| .cb = cb_set_active, |
| }, |
| }; |
| |
| static void rx_handler_command(struct usb_ep *ep, struct usb_request *req) |
| { |
| char *cmdbuf = req->buf; |
| void (*func_cb)(struct usb_ep *ep, struct usb_request *req) = NULL; |
| int i; |
| |
| for (i = 0; i < ARRAY_SIZE(cmd_dispatch_info); i++) { |
| if (!strcmp_l1(cmd_dispatch_info[i].cmd, cmdbuf)) { |
| func_cb = cmd_dispatch_info[i].cb; |
| break; |
| } |
| } |
| |
| if (!func_cb) { |
| error("unknown command: %s\n", cmdbuf); |
| fastboot_tx_write_str("FAILunknown command"); |
| } else { |
| if (req->actual < req->length) { |
| u8 *buf = (u8 *)req->buf; |
| buf[req->actual] = 0; |
| func_cb(ep, req); |
| } else { |
| error("buffer overflow\n"); |
| fastboot_tx_write_str("FAILbuffer overflow"); |
| } |
| } |
| |
| if (req->status == 0) { |
| *cmdbuf = '\0'; |
| req->actual = 0; |
| usb_ep_queue(ep, req, 0); |
| } |
| } |