diff options
| -rw-r--r-- | doc/android/fastboot-protocol.rst | 5 | ||||
| -rw-r--r-- | doc/android/fastboot.rst | 2 | ||||
| -rw-r--r-- | drivers/fastboot/Kconfig | 9 | ||||
| -rw-r--r-- | drivers/fastboot/fb_command.c | 68 | ||||
| -rw-r--r-- | drivers/usb/gadget/f_fastboot.c | 17 | ||||
| -rw-r--r-- | include/fastboot.h | 7 |
6 files changed, 108 insertions, 0 deletions
diff --git a/doc/android/fastboot-protocol.rst b/doc/android/fastboot-protocol.rst index e723659e49..e8cbd7f24e 100644 --- a/doc/android/fastboot-protocol.rst +++ b/doc/android/fastboot-protocol.rst @@ -144,6 +144,11 @@ Command Reference "powerdown" Power off the device. + "ucmd" execute any bootloader command and wait until it + finishs. + + "acmd" execute any bootloader command, do not wait. + Client Variables ---------------- diff --git a/doc/android/fastboot.rst b/doc/android/fastboot.rst index ce513a2a0f..7611f07038 100644 --- a/doc/android/fastboot.rst +++ b/doc/android/fastboot.rst @@ -19,6 +19,8 @@ The current implementation supports the following standard commands: - ``reboot`` - ``reboot-bootloader`` - ``set_active`` (only a stub implementation which always succeeds) +- ``ucmd`` (if enabled) +- ``acmd`` (if enabled) The following OEM commands are supported (if enabled): diff --git a/drivers/fastboot/Kconfig b/drivers/fastboot/Kconfig index a17e488714..2d1836a80e 100644 --- a/drivers/fastboot/Kconfig +++ b/drivers/fastboot/Kconfig @@ -72,6 +72,15 @@ config FASTBOOT_FLASH the downloaded image to a non-volatile storage device. Define this to enable the "fastboot flash" command. +config FASTBOOT_UUU_SUPPORT + bool "Enable FASTBOOT i.MX UUU special command" + default n + help + The fastboot protocol includes "UCmd" and "ACmd" command. + Be aware that you provide full access to any U-Boot command, + including working with memory and may open a huge backdoor, + when enabling this option. + choice prompt "Flash provider for FASTBOOT" depends on FASTBOOT_FLASH diff --git a/drivers/fastboot/fb_command.c b/drivers/fastboot/fb_command.c index 41fc8d7904..3a5db5b08f 100644 --- a/drivers/fastboot/fb_command.c +++ b/drivers/fastboot/fb_command.c @@ -49,6 +49,11 @@ static void oem_partconf(char *, char *); static void oem_bootbus(char *, char *); #endif +#if CONFIG_IS_ENABLED(FASTBOOT_UUU_SUPPORT) +static void run_ucmd(char *, char *); +static void run_acmd(char *, char *); +#endif + static const struct { const char *command; void (*dispatch)(char *cmd_parameter, char *response); @@ -117,6 +122,16 @@ static const struct { .dispatch = oem_bootbus, }, #endif +#if CONFIG_IS_ENABLED(FASTBOOT_UUU_SUPPORT) + [FASTBOOT_COMMAND_UCMD] = { + .command = "UCmd", + .dispatch = run_ucmd, + }, + [FASTBOOT_COMMAND_ACMD] = { + .command = "ACmd", + .dispatch = run_acmd, + }, +#endif }; /** @@ -327,6 +342,59 @@ static void erase(char *cmd_parameter, char *response) } #endif +#if CONFIG_IS_ENABLED(FASTBOOT_UUU_SUPPORT) +/** + * run_ucmd() - Execute the UCmd command + * + * @cmd_parameter: Pointer to command parameter + * @response: Pointer to fastboot response buffer + */ +static void run_ucmd(char *cmd_parameter, char *response) +{ + if (!cmd_parameter) { + pr_err("missing slot suffix\n"); + fastboot_fail("missing command", response); + return; + } + + if (run_command(cmd_parameter, 0)) + fastboot_fail("", response); + else + fastboot_okay(NULL, response); +} + +static char g_a_cmd_buff[64]; + +void fastboot_acmd_complete(void) +{ + run_command(g_a_cmd_buff, 0); +} + +/** + * run_acmd() - Execute the ACmd command + * + * @cmd_parameter: Pointer to command parameter + * @response: Pointer to fastboot response buffer + */ +static void run_acmd(char *cmd_parameter, char *response) +{ + if (!cmd_parameter) { + pr_err("missing slot suffix\n"); + fastboot_fail("missing command", response); + return; + } + + if (strlen(cmd_parameter) > sizeof(g_a_cmd_buff)) { + pr_err("too long command\n"); + fastboot_fail("too long command", response); + return; + } + + strcpy(g_a_cmd_buff, cmd_parameter); + fastboot_okay(NULL, response); +} +#endif + /** * reboot_bootloader() - Sets reboot bootloader flag. * diff --git a/drivers/usb/gadget/f_fastboot.c b/drivers/usb/gadget/f_fastboot.c index 950cc11949..8ba55aab9f 100644 --- a/drivers/usb/gadget/f_fastboot.c +++ b/drivers/usb/gadget/f_fastboot.c @@ -494,6 +494,18 @@ static void do_bootm_on_complete(struct usb_ep *ep, struct usb_request *req) do_exit_on_complete(ep, req); } +#if CONFIG_IS_ENABLED(FASTBOOT_UUU_SUPPORT) +static void do_acmd_complete(struct usb_ep *ep, struct usb_request *req) +{ + /* When usb dequeue complete will be called + * Need status value before call run_command. + * otherwise, host can't get last message. + */ + if (req->status == 0) + fastboot_acmd_complete(); +} +#endif + static void rx_handler_command(struct usb_ep *ep, struct usb_request *req) { char *cmdbuf = req->buf; @@ -532,6 +544,11 @@ static void rx_handler_command(struct usb_ep *ep, struct usb_request *req) case FASTBOOT_COMMAND_REBOOT_RECOVERY: fastboot_func->in_req->complete = compl_do_reset; break; +#if CONFIG_IS_ENABLED(FASTBOOT_UUU_SUPPORT) + case FASTBOOT_COMMAND_ACMD: + fastboot_func->in_req->complete = do_acmd_complete; + break; +#endif } } diff --git a/include/fastboot.h b/include/fastboot.h index 797d7dfd52..57daaf1298 100644 --- a/include/fastboot.h +++ b/include/fastboot.h @@ -44,6 +44,10 @@ enum { #if CONFIG_IS_ENABLED(FASTBOOT_CMD_OEM_BOOTBUS) FASTBOOT_COMMAND_OEM_BOOTBUS, #endif +#if CONFIG_IS_ENABLED(FASTBOOT_UUU_SUPPORT) + FASTBOOT_COMMAND_ACMD, + FASTBOOT_COMMAND_UCMD, +#endif FASTBOOT_COMMAND_COUNT }; @@ -169,4 +173,7 @@ void fastboot_data_download(const void *fastboot_data, */ void fastboot_data_complete(char *response); +#if CONFIG_IS_ENABLED(FASTBOOT_UUU_SUPPORT) +void fastboot_acmd_complete(void); +#endif #endif /* _FASTBOOT_H_ */ |