@@ -1600,6 +1600,16 @@ 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 addition 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
@@ -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, and there is minimal support for the flash command;
+it only supports eMMC devices.
Client installation
===================
@@ -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"
@@ -466,6 +469,28 @@ 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);
@@ -485,6 +510,12 @@ 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)
- implement 'fastboot flash' for eMMC devices Signed-off-by: Steve Rae <srae@broadcom.com> --- README | 10 ++++++++++ doc/README.android-fastboot | 5 +++-- drivers/usb/gadget/f_fastboot.c | 31 +++++++++++++++++++++++++++++++ 3 files changed, 44 insertions(+), 2 deletions(-)