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| author | Steve Rae <srae@broadcom.com> | 2014-08-26 11:47:28 -0700 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-09-24 18:30:27 -0400 |
| commit | d1b5ed075311f143926dd916edb59436267eb396 (patch) | |
| tree | f7a5c1b43654a74a873eee135002f87dfffeeaa0 | |
| parent | c0aebb3382133c99bc458d96b562703dae4ae928 (diff) | |
| download | u-boot-imx-d1b5ed075311f143926dd916edb59436267eb396.zip u-boot-imx-d1b5ed075311f143926dd916edb59436267eb396.tar.gz u-boot-imx-d1b5ed075311f143926dd916edb59436267eb396.tar.bz2 | |
usb/gadget: fastboot: add support for flash command
- implement 'fastboot flash' for eMMC devices
Signed-off-by: Steve Rae <srae@broadcom.com>
Acked-by: Lukasz Majewski <l.majewski@samsung.com>
Reviewed-by: Marek Vasut <marex@denx.de>
| -rw-r--r-- | README | 10 | ||||
| -rw-r--r-- | doc/README.android-fastboot | 5 | ||||
| -rw-r--r-- | drivers/usb/gadget/f_fastboot.c | 31 |
3 files changed, 44 insertions, 2 deletions
@@ -1629,6 +1629,16 @@ The following options need to be configured: downloads. This buffer should be as large as possible for a platform. Define this to the size available RAM for fastboot. + CONFIG_FASTBOOT_FLASH + The fastboot protocol includes a "flash" command for writing + the downloaded image to a non-volatile storage device. Define + this to enable the "fastboot flash" command. + + CONFIG_FASTBOOT_FLASH_MMC_DEV + The fastboot "flash" command requires additional information + regarding the non-volatile storage device. Define this to + the eMMC device that fastboot should use to store the image. + - Journaling Flash filesystem support: CONFIG_JFFS2_NAND, CONFIG_JFFS2_NAND_OFF, CONFIG_JFFS2_NAND_SIZE, CONFIG_JFFS2_NAND_DEV diff --git a/doc/README.android-fastboot b/doc/README.android-fastboot index 4045727..1677609 100644 --- a/doc/README.android-fastboot +++ b/doc/README.android-fastboot @@ -6,8 +6,9 @@ Overview The protocol that is used over USB is described in README.android-fastboot-protocol in same directory. -The current implementation does not yet support the flash and erase -commands. +The current implementation does not yet support the erase command or the +"oem format" command, and there is minimal support for the flash command; +it only supports eMMC devices. Client installation =================== diff --git a/drivers/usb/gadget/f_fastboot.c b/drivers/usb/gadget/f_fastboot.c index 7a1acb9..e2659fa 100644 --- a/drivers/usb/gadget/f_fastboot.c +++ b/drivers/usb/gadget/f_fastboot.c @@ -19,6 +19,9 @@ #include <linux/compiler.h> #include <version.h> #include <g_dnl.h> +#ifdef CONFIG_FASTBOOT_FLASH_MMC_DEV +#include <fb_mmc.h> +#endif #define FASTBOOT_VERSION "0.4" @@ -469,6 +472,28 @@ static void cb_boot(struct usb_ep *ep, struct usb_request *req) 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]; + + strsep(&cmd, ":"); + if (!cmd) { + printf("%s: missing partition name\n", __func__); + 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 + struct cmd_dispatch_info { char *cmd; void (*cb)(struct usb_ep *ep, struct usb_request *req); @@ -488,6 +513,12 @@ static const struct cmd_dispatch_info cmd_dispatch_info[] = { .cmd = "boot", .cb = cb_boot, }, +#ifdef CONFIG_FASTBOOT_FLASH + { + .cmd = "flash", + .cb = cb_flash, + }, +#endif }; static void rx_handler_command(struct usb_ep *ep, struct usb_request *req) |