Merge tag 'xilinx-for-v2020.07-rc2' of https://gitlab.denx.de/u-boot/custodians/u...
[oweals/u-boot.git] / cmd / fastboot.c
index 488822a2eed512f68360ed5838e2aa26d65ba546..1b4215114d7e5d7e7393667f9b3365457fa07459 100644 (file)
@@ -1,33 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright 2008 - 2009 Windriver, <www.windriver.com>
  * Author: Tom Rix <Tom.Rix@windriver.com>
  *
  * (C) Copyright 2014 Linaro, Ltd.
  * Rob Herring <robh@kernel.org>
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 #include <common.h>
 #include <command.h>
 #include <console.h>
 #include <g_dnl.h>
+#include <fastboot.h>
+#include <net.h>
 #include <usb.h>
+#include <watchdog.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;
+       char *endp;
        int ret;
 
        if (argc < 2)
                return CMD_RET_USAGE;
 
        usb_controller = argv[1];
-       controller_index = simple_strtoul(usb_controller, NULL, 0);
+       controller_index = simple_strtoul(usb_controller, &endp, 0);
+       if (*endp != '\0') {
+               pr_err("Error: Wrong USB controller index format\n");
+               return CMD_RET_FAILURE;
+       }
 
-       ret = board_usb_init(controller_index, USB_INIT_DEVICE);
+       ret = usb_gadget_initialize(controller_index);
        if (ret) {
-               error("USB init failed: %d", ret);
+               pr_err("USB init failed: %d\n", ret);
                return CMD_RET_FAILURE;
        }
 
@@ -48,6 +75,7 @@ static int do_fastboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
                        break;
                if (ctrlc())
                        break;
+               WATCHDOG_RESET();
                usb_gadget_handle_interrupts(controller_index);
        }
 
@@ -56,14 +84,79 @@ static int do_fastboot(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
 exit:
        g_dnl_unregister();
        g_dnl_clear_detach();
-       board_usb_cleanup(controller_index, USB_INIT_DEVICE);
+       usb_gadget_release(controller_index);
 
        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:
+               ;
+       }
+
+       /* Handle case when USB controller param is just '-' */
+       if (argc == 1) {
+               pr_err("Error: Incorrect USB controller index\n");
+               return CMD_RET_USAGE;
+       }
+
+       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
 );