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authorMichael Lauer <mickey@vanille-media.de>2007-12-28 13:10:28 +0000
committerMichael Lauer <mickey@vanille-media.de>2007-12-28 13:10:28 +0000
commitbe3e650d031916b132b4cef9d19e7844cca3440b (patch)
tree96dea5f2866a9c43bee966b9d01753467f19a9a3 /packages/u-boot/u-boot-mkimage-openmoko-native/uboot-dfu.patch
parent518fac47b16e548ace1e23d1bc6f4a38b44670bb (diff)
rename uboot directory for more consistency
Diffstat (limited to 'packages/u-boot/u-boot-mkimage-openmoko-native/uboot-dfu.patch')
-rw-r--r--packages/u-boot/u-boot-mkimage-openmoko-native/uboot-dfu.patch2081
1 files changed, 2081 insertions, 0 deletions
diff --git a/packages/u-boot/u-boot-mkimage-openmoko-native/uboot-dfu.patch b/packages/u-boot/u-boot-mkimage-openmoko-native/uboot-dfu.patch
new file mode 100644
index 0000000000..1122f4894f
--- /dev/null
+++ b/packages/u-boot/u-boot-mkimage-openmoko-native/uboot-dfu.patch
@@ -0,0 +1,2081 @@
+Index: u-boot/drivers/usbdcore_ep0.c
+===================================================================
+--- u-boot.orig/drivers/usbdcore_ep0.c
++++ u-boot/drivers/usbdcore_ep0.c
+@@ -42,10 +42,15 @@
+ */
+
+ #include <common.h>
++DECLARE_GLOBAL_DATA_PTR;
+
+ #if defined(CONFIG_USB_DEVICE)
+ #include "usbdcore.h"
+
++#ifdef CONFIG_USBD_DFU
++#include <usb_dfu.h>
++#endif
++
+ #if 0
+ #define dbg_ep0(lvl,fmt,args...) serial_printf("[%s] %s:%d: "fmt"\n",__FILE__,__FUNCTION__,__LINE__,##args)
+ #else
+@@ -213,7 +218,7 @@
+ urb->buffer = device_descriptor;
+ urb->actual_length = MIN(sizeof(*device_descriptor), max);
+ }
+- /*dbg_ep0(3, "copied device configuration, actual_length: %x", urb->actual_length); */
++ dbg_ep0(3, "using device configuration, actual_length: %x", urb->actual_length);
+ break;
+
+ case USB_DESCRIPTOR_TYPE_CONFIGURATION:
+@@ -267,7 +272,24 @@
+ return -1;
+ case USB_DESCRIPTOR_TYPE_ENDPOINT:
+ return -1;
++ /* This really means "Class Specific Descriptor #1 == USB_DT_DFU */
+ case USB_DESCRIPTOR_TYPE_HID:
++#ifdef CONFIG_USBD_DFU
++ {
++ int bNumInterface =
++ le16_to_cpu(urb->device_request.wIndex);
++
++ /* In runtime mode, we only respond to the DFU INTERFACE,
++ * whereas in DFU mode, we respond for all intrfaces */
++ if (device->dfu_state != DFU_STATE_appIDLE &&
++ device->dfu_state != DFU_STATE_appDETACH ||
++ bNumInterface == CONFIG_USBD_DFU_INTERFACE) {
++ urb->buffer = &device->dfu_cfg_desc->func_dfu;
++ urb->actual_length = sizeof(struct usb_dfu_func_descriptor);
++ } else
++ return -1;
++ }
++#else /* CONFIG_USBD_DFU */
+ {
+ return -1; /* unsupported at this time */
+ #if 0
+@@ -294,6 +316,7 @@
+ max);
+ #endif
+ }
++#endif /* CONFIG_USBD_DFU */
+ break;
+ case USB_DESCRIPTOR_TYPE_REPORT:
+ {
+@@ -388,6 +411,24 @@
+ le16_to_cpu (request->wLength),
+ USBD_DEVICE_REQUESTS (request->bRequest));
+
++#ifdef CONFIG_USBD_DFU
++ if ((request->bmRequestType & 0x3f) == USB_TYPE_DFU &&
++ (device->dfu_state != DFU_STATE_appIDLE ||
++ le16_to_cpu(request->wIndex) == CONFIG_USBD_DFU_INTERFACE)) {
++ int rc = dfu_ep0_handler(urb);
++ switch (rc) {
++ case DFU_EP0_NONE:
++ case DFU_EP0_UNHANDLED:
++ break;
++ case DFU_EP0_ZLP:
++ case DFU_EP0_DATA:
++ return 0;
++ case DFU_EP0_STALL:
++ return -1;
++ }
++ }
++#endif /* CONFIG_USB_DFU */
++
+ /* handle USB Standard Request (c.f. USB Spec table 9-2) */
+ if ((request->bmRequestType & USB_REQ_TYPE_MASK) != 0) {
+ if (device->device_state <= STATE_CONFIGURED)
+@@ -570,7 +611,8 @@
+ device->interface = le16_to_cpu (request->wIndex);
+ device->alternate = le16_to_cpu (request->wValue);
+ /*dbg_ep0(2, "set interface: %d alternate: %d", device->interface, device->alternate); */
+- serial_printf ("DEVICE_SET_INTERFACE.. event?\n");
++ usbd_device_event_irq(device, DEVICE_SET_INTERFACE,
++ (request->wIndex << 16 | request->wValue));
+ return 0;
+
+ case USB_REQ_GET_STATUS:
+Index: u-boot/drivers/usbdfu.c
+===================================================================
+--- /dev/null
++++ u-boot/drivers/usbdfu.c
+@@ -0,0 +1,1069 @@
++/*
++ * (C) 2007 by OpenMoko, Inc.
++ * Author: Harald Welte <laforge@openmoko.org>
++ *
++ * based on existing SAM7DFU code from OpenPCD:
++ * (C) Copyright 2006 by Harald Welte <hwelte@hmw-consulting.de>
++ *
++ * See file CREDITS for list of people who contributed to this
++ * project.
++ *
++ * This program is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU General Public License as
++ * published by the Free Software Foundation; either version 2 of
++ * the License, or (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software
++ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
++ * MA 02111-1307 USA
++ *
++ * TODO:
++ * - make NAND support reasonably self-contained and put in apropriate
++ * ifdefs
++ * - add some means of synchronization, i.e. block commandline access
++ * while DFU transfer is in progress, and return to commandline once
++ * we're finished
++ * - add VERIFY support after writing to flash
++ * - sanely free() resources allocated during first uppload/download
++ * request when aborting
++ * - sanely free resources when another alternate interface is selected
++ *
++ * Maybe:
++ * - add something like uImage or some other header that provides CRC
++ * checking?
++ * - make 'dnstate' attached to 'struct usb_device_instance'
++ */
++
++#include <config.h>
++#if defined(CONFIG_USBD_DFU)
++
++#include <common.h>
++DECLARE_GLOBAL_DATA_PTR;
++
++#include <malloc.h>
++#include <linux/types.h>
++#include <linux/list.h>
++#include <asm/errno.h>
++#include <usbdcore.h>
++#include <usb_dfu.h>
++#include <usb_dfu_descriptors.h>
++#include <usb_dfu_trailer.h>
++
++#include <nand.h>
++#include <jffs2/load_kernel.h>
++int mtdparts_init(void);
++extern struct list_head devices;
++
++#include "usbdcore_s3c2410.h"
++#include "usbtty.h" /* for STR_* defs */
++
++#define RET_NOTHING 0
++#define RET_ZLP 1
++#define RET_STALL 2
++
++volatile enum dfu_state *system_dfu_state; /* for 3rd parties */
++
++
++struct dnload_state {
++ nand_info_t *nand;
++ struct part_info *part;
++ unsigned int part_net_size; /* net sizee (excl. bad blocks) of part */
++
++ nand_erase_options_t erase_opts;
++ nand_write_options_t write_opts;
++ nand_read_options_t read_opts;
++
++ unsigned char *ptr; /* pointer to next empty byte in buffer */
++ unsigned int off; /* offset of current erase page in flash chip */
++ unsigned char *buf; /* pointer to allocated erase page buffer */
++
++ /* unless doing an atomic transfer, we use the static buffer below.
++ * This saves us from having to clean up dynamic allications in the
++ * various error paths of the code. Also, it will always work, no
++ * matter what the memory situation is. */
++ unsigned char _buf[0x20000]; /* FIXME: depends flash page size */
++};
++
++static struct dnload_state _dnstate;
++
++static int dfu_trailer_matching(const struct uboot_dfu_trailer *trailer)
++{
++ if (trailer->magic != UBOOT_DFU_TRAILER_MAGIC ||
++ trailer->version != UBOOT_DFU_TRAILER_V1 ||
++ trailer->vendor != CONFIG_USBD_VENDORID ||
++ (trailer->product != CONFIG_USBD_PRODUCTID_CDCACM &&
++ trailer->product != CONFIG_USBD_PRODUCTID_GSERIAL))
++ return 0;
++#ifdef CONFIG_REVISION_TAG
++ if (trailer->revision != get_board_rev())
++ return 0;
++#endif
++
++ return 1;
++}
++
++static struct part_info *get_partition_nand(int idx)
++{
++ struct mtd_device *dev;
++ struct part_info *part;
++ struct list_head *pentry;
++ int i;
++
++ if (mtdparts_init())
++ return NULL;
++ if (list_empty(&devices))
++ return NULL;
++
++ dev = list_entry(devices.next, struct mtd_device, link);
++ i = 0;
++ list_for_each(pentry, &dev->parts) {
++ if (i == idx) {
++ part = list_entry(pentry, struct part_info, link);
++ return part;
++ }
++ i++;
++ }
++
++ return NULL;
++}
++
++#define LOAD_ADDR ((unsigned char *)0x32000000)
++
++static int initialize_ds_nand(struct usb_device_instance *dev, struct dnload_state *ds)
++{
++ ds->part = get_partition_nand(dev->alternate - 1);
++ if (!ds->part) {
++ printf("DFU: unable to find partition %u\b", dev->alternate-1);
++ dev->dfu_state = DFU_STATE_dfuERROR;
++ dev->dfu_status = DFU_STATUS_errADDRESS;
++ return RET_STALL;
++ }
++ ds->nand = &nand_info[ds->part->dev->id->num];
++ ds->off = ds->part->offset;
++ ds->part_net_size = nand_net_part_size(ds->part);
++
++ if (ds->nand->erasesize > sizeof(ds->_buf)) {
++ printf("*** Warning - NAND ERASESIZE bigger than static buffer\n");
++ ds->buf = malloc(ds->nand->erasesize);
++ if (!ds->buf) {
++ printf("DFU: can't allocate %u bytes\n", ds->nand->erasesize);
++ dev->dfu_state = DFU_STATE_dfuERROR;
++ dev->dfu_status = DFU_STATUS_errADDRESS;
++ return RET_STALL;
++ }
++ } else
++ ds->buf = ds->_buf;
++
++ ds->ptr = ds->buf;
++
++ memset(&ds->read_opts, 0, sizeof(ds->read_opts));
++
++ memset(&ds->erase_opts, 0, sizeof(ds->erase_opts));
++ ds->erase_opts.quiet = 1;
++ /* FIXME: do this more dynamic */
++ if (!strcmp(ds->part->name, "rootfs"))
++ ds->erase_opts.jffs2 = 1;
++
++ memset(&ds->write_opts, 0, sizeof(ds->write_opts));
++ ds->write_opts.pad = 1;
++ ds->write_opts.blockalign = 1;
++ ds->write_opts.quiet = 1;
++
++ debug("initialize_ds_nand(dev=%p, ds=%p): ", dev, ds);
++ debug("nand=%p, ptr=%p, buf=%p, off=0x%x\n", ds->nand, ds->ptr, ds->buf, ds->off);
++
++ return RET_NOTHING;
++}
++
++static int erase_flash_verify_nand(struct urb *urb, struct dnload_state *ds,
++ unsigned long erasesize, unsigned long size)
++{
++ struct usb_device_instance *dev = urb->device;
++ int rc;
++
++ debug("erase_flash_verify_nand(urb=%p, ds=%p, erase=0x%x size=0x%x)\n",
++ urb, ds, erasesize, size);
++
++ if (erasesize == ds->nand->erasesize) {
++ /* we're only writing a single block and need to
++ * do bad block skipping / offset adjustments our own */
++ while (ds->nand->block_isbad(ds->nand, ds->off)) {
++ debug("SKIP_ONE_BLOCK(0x%08x)!!\n", ds->off);
++ ds->off += ds->nand->erasesize;
++ }
++ }
++
++ /* we have finished one eraseblock, flash it */
++ ds->erase_opts.offset = ds->off;
++ ds->erase_opts.length = erasesize;
++ debug("Erasing 0x%x bytes @ offset 0x%x (jffs=%u)\n",
++ ds->erase_opts.length, ds->erase_opts.offset,
++ ds->erase_opts.jffs2);
++ rc = nand_erase_opts(ds->nand, &ds->erase_opts);
++ if (rc) {
++ debug("Error erasing\n");
++ dev->dfu_state = DFU_STATE_dfuERROR;
++ dev->dfu_status = DFU_STATUS_errERASE;
++ return RET_STALL;
++ }
++
++ ds->write_opts.buffer = ds->buf;
++ ds->write_opts.length = size;
++ ds->write_opts.offset = ds->off;
++ debug("Writing 0x%x bytes @ offset 0x%x\n", size, ds->off);
++ rc = nand_write_opts(ds->nand, &ds->write_opts);
++ if (rc) {
++ debug("Error writing\n");
++ dev->dfu_state = DFU_STATE_dfuERROR;
++ dev->dfu_status = DFU_STATUS_errWRITE;
++ return RET_STALL;
++ }
++
++ ds->off += size;
++ ds->ptr = ds->buf;
++
++ /* FIXME: implement verify! */
++ return RET_NOTHING;
++}
++
++static int erase_tail_clean_nand(struct urb *urb, struct dnload_state *ds)
++{
++ struct usb_device_instance *dev = urb->device;
++ int rc;
++
++ ds->erase_opts.offset = ds->off;
++ ds->erase_opts.length = ds->part->size-ds->off;
++ debug("Erasing 0x%x bytes @ offset 0x%x (jffs=%u)\n",
++ ds->erase_opts.length, ds->erase_opts.offset,
++ ds->erase_opts.jffs2);
++ rc = nand_erase_opts(ds->nand, &ds->erase_opts);
++ if (rc) {
++ debug("Error erasing\n");
++ dev->dfu_state = DFU_STATE_dfuERROR;
++ dev->dfu_status = DFU_STATUS_errERASE;
++ return RET_STALL;
++ }
++
++ ds->off += ds->part->size; /* for consistency */
++
++ return RET_NOTHING;
++}
++
++/* Read the next erase blcok from NAND into buffer */
++static int read_next_nand(struct urb *urb, struct dnload_state *ds)
++{
++ struct usb_device_instance *dev = urb->device;
++ int rc;
++
++ ds->read_opts.buffer = ds->buf;
++ ds->read_opts.length = ds->nand->erasesize;
++ ds->read_opts.offset = ds->off;
++ ds->read_opts.quiet = 1;
++
++ debug("Reading 0x%x@0x%x to 0x%08p\n", ds->nand->erasesize,
++ ds->off, ds->buf);
++ rc = nand_read_opts(ds->nand, &ds->read_opts);
++ if (rc) {
++ debug("Error reading\n");
++ dev->dfu_state = DFU_STATE_dfuERROR;
++ dev->dfu_status = DFU_STATUS_errWRITE;
++ return RET_STALL;
++ }
++ ds->off += ds->nand->erasesize;
++ ds->ptr = ds->buf;
++
++ return RET_NOTHING;
++}
++
++
++static int handle_dnload(struct urb *urb, u_int16_t val, u_int16_t len, int first)
++{
++ struct usb_device_instance *dev = urb->device;
++ struct dnload_state *ds = &_dnstate;
++ unsigned int actual_len = len;
++ unsigned int remain_len;
++ unsigned long size;
++ int rc;
++
++ debug("download(len=%u, first=%u) ", len, first);
++
++ if (len > CONFIG_USBD_DFU_XFER_SIZE) {
++ /* Too big. Not that we'd really care, but it's a
++ * DFU protocol violation */
++ debug("length exceeds flash page size ");
++ dev->dfu_state = DFU_STATE_dfuERROR;
++ dev->dfu_status = DFU_STATUS_errADDRESS;
++ return RET_STALL;
++ }
++
++ if (first) {
++ /* Make sure that we have a valid mtd partition table */
++ char *mtdp = getenv("mtdparts");
++ if (!mtdp)
++ run_command("dynpart", 0);
++ }
++
++ if (len == 0) {
++ debug("zero-size write -> MANIFEST_SYNC ");
++ dev->dfu_state = DFU_STATE_dfuMANIFEST_SYNC;
++
++ /* cleanup */
++ switch (dev->alternate) {
++ char buf[12];
++ case 0:
++ sprintf(buf, "%lx", ds->ptr - ds->buf);
++ setenv("filesize", buf);
++ ds->ptr = ds->buf;
++ break;
++ case 1:
++ if (ds->ptr >
++ ds->buf + sizeof(struct uboot_dfu_trailer)) {
++ struct uboot_dfu_trailer trailer;
++ dfu_trailer_mirror(&trailer, ds->ptr);
++ if (!dfu_trailer_matching(&trailer)) {
++ printf("DFU TRAILER NOT OK\n");
++ dev->dfu_state = DFU_STATE_dfuERROR;
++ dev->dfu_status = DFU_STATUS_errTARGET;
++ return RET_STALL;
++ }
++
++ rc = erase_flash_verify_nand(urb, ds,
++ ds->part->size,
++ ds->part_net_size);
++ /* re-write dynenv marker in OOB */
++ run_command("dynenv set u-boot_env", 0);
++ }
++ ds->nand = NULL;
++ free(ds->buf);
++ ds->ptr = ds->buf = ds->_buf;
++ break;
++ default:
++ rc = 0;
++ if (ds->ptr > ds->buf)
++ rc = erase_flash_verify_nand(urb, ds,
++ ds->nand->erasesize,
++ ds->nand->erasesize);
++ /* rootfs partition */
++ if (!rc && dev->alternate == 5)
++ rc = erase_tail_clean_nand(urb, ds);
++
++ ds->nand = NULL;
++ break;
++ }
++
++ return RET_ZLP;
++ }
++
++ if (urb->actual_length != len) {
++ debug("urb->actual_length(%u) != len(%u) ?!? ",
++ urb->actual_length, len);
++ dev->dfu_state = DFU_STATE_dfuERROR;
++ dev->dfu_status = DFU_STATUS_errADDRESS;
++ return RET_STALL;
++ }
++
++ if (first && ds->buf && ds->buf != ds->_buf && ds->buf != LOAD_ADDR) {
++ free(ds->buf);
++ ds->buf = ds->_buf;
++ }
++
++ switch (dev->alternate) {
++ case 0:
++ if (first) {
++ printf("Starting DFU DOWNLOAD to RAM (0x%08p)\n",
++ LOAD_ADDR);
++ ds->buf = LOAD_ADDR;
++ ds->ptr = ds->buf;
++ }
++
++ memcpy(ds->ptr, urb->buffer, len);
++ ds->ptr += len;
++ break;
++ case 1:
++ if (first) {
++ rc = initialize_ds_nand(dev, ds);
++ if (rc)
++ return rc;
++ ds->buf = malloc(ds->part_net_size);
++ if (!ds->buf) {
++ printf("No memory for atomic buffer!!\n");
++ dev->dfu_state = DFU_STATE_dfuERROR;
++ dev->dfu_status = DFU_STATUS_errUNKNOWN;
++ return RET_STALL;
++ }
++ ds->ptr = ds->buf;
++ printf("Starting Atomic DFU DOWNLOAD to partition '%s'\n",
++ ds->part->name);
++ }
++
++ remain_len = (ds->buf + ds->part_net_size) - ds->ptr;
++ if (remain_len < len) {
++ len = remain_len;
++ printf("End of write exceeds partition end\n");
++ dev->dfu_state = DFU_STATE_dfuERROR;
++ dev->dfu_status = DFU_STATUS_errADDRESS;
++ return RET_STALL;
++ }
++ memcpy(ds->ptr, urb->buffer, len);
++ ds->ptr += len;
++ break;
++ default:
++ if (first) {
++ rc = initialize_ds_nand(dev, ds);
++ if (rc)
++ return rc;
++ printf("Starting DFU DOWNLOAD to partition '%s'\n",
++ ds->part->name);
++ }
++
++ size = ds->nand->erasesize;
++ remain_len = ds->buf + size - ds->ptr;
++ if (remain_len < len)
++ actual_len = remain_len;
++
++ memcpy(ds->ptr, urb->buffer, actual_len);
++ ds->ptr += actual_len;
++
++ /* check partition end */
++ if (ds->off + (ds->ptr - ds->buf) > ds->part->offset + ds->part->size) {
++ printf("End of write exceeds partition end\n");
++ dev->dfu_state = DFU_STATE_dfuERROR;
++ dev->dfu_status = DFU_STATUS_errADDRESS;
++ return RET_STALL;
++ }
++
++ if (ds->ptr >= ds->buf + size) {
++ rc = erase_flash_verify_nand(urb, ds,
++ ds->nand->erasesize,
++ ds->nand->erasesize);
++ if (rc)
++ return rc;
++ /* copy remainder of data into buffer */
++ memcpy(ds->ptr, urb->buffer + actual_len, len - actual_len);
++ ds->ptr += (len - actual_len);
++ }
++ break;
++ }
++
++ return RET_ZLP;
++}
++
++static int handle_upload(struct urb *urb, u_int16_t val, u_int16_t len, int first)
++{
++ struct usb_device_instance *dev = urb->device;
++ struct dnload_state *ds = &_dnstate;
++ unsigned int remain;
++ int rc;
++
++ debug("upload(val=0x%02x, len=%u, first=%u) ", val, len, first);
++
++ if (len > CONFIG_USBD_DFU_XFER_SIZE) {
++ /* Too big */
++ dev->dfu_state = DFU_STATE_dfuERROR;
++ dev->dfu_status = DFU_STATUS_errADDRESS;
++ //udc_ep0_send_stall();
++ debug("Error: Transfer size > CONFIG_USBD_DFU_XFER_SIZE ");
++ return -EINVAL;
++ }
++
++ switch (dev->alternate) {
++ case 0:
++ if (first) {
++ printf("Starting DFU Upload of RAM (0x%08p)\n",
++ LOAD_ADDR);
++ ds->ptr = ds->buf;
++ }
++
++ /* FIXME: end at some more dynamic point */
++ if (ds->ptr + len > LOAD_ADDR + 0x200000)
++ len = (LOAD_ADDR + 0x200000) - ds->ptr;
++
++ urb->buffer = ds->ptr;
++ urb->actual_length = len;
++ ds->ptr += len;
++ break;
++ default:
++ if (first) {
++ rc = initialize_ds_nand(dev, ds);
++ if (rc)
++ return -EINVAL;
++ printf("Starting DFU Upload of partition '%s'\n",
++ ds->part->name);
++ rc = read_next_nand(urb, ds);
++ if (rc)
++ return -EINVAL;
++ }
++
++ if (len > ds->nand->erasesize) {
++ printf("We don't support transfers bigger than %u\n",
++ ds->nand->erasesize);
++ len = ds->nand->erasesize;
++ }
++
++ remain = ds->nand->erasesize - (ds->ptr - ds->buf);
++ if (len < remain)
++ remain = len;
++
++ debug("copying %u bytes ", remain);
++ urb->buffer = ds->ptr;
++ ds->ptr += remain;
++ urb->actual_length = remain;
++
++ if (ds->ptr >= ds->buf + ds->nand->erasesize &&
++ ds->off < ds->part->offset + ds->part->size) {
++ rc = read_next_nand(urb, ds);
++ if (rc)
++ return -EINVAL;
++ if (len > remain) {
++ debug("copying another %u bytes ", len - remain);
++ memcpy(urb->buffer + remain, ds->ptr, len - remain);
++ ds->ptr += (len - remain);
++ urb->actual_length += (len - remain);
++ }
++ }
++ break;
++ }
++
++ debug("returning len=%u\n", len);
++ return len;
++}
++
++static void handle_getstatus(struct urb *urb, int max)
++{
++ struct usb_device_instance *dev = urb->device;
++ struct dfu_status *dstat = (struct dfu_status *) urb->buffer;
++
++ debug("getstatus ");
++
++ if (!urb->buffer || urb->buffer_length < sizeof(*dstat)) {
++ debug("invalid urb! ");
++ return;
++ }
++
++ switch (dev->dfu_state) {
++ case DFU_STATE_dfuDNLOAD_SYNC:
++ case DFU_STATE_dfuDNBUSY:
++#if 0
++ if (fsr & AT91C_MC_PROGE) {
++ debug("errPROG ");
++ dev->dfu_status = DFU_STATUS_errPROG;
++ dev->dfu_state = DFU_STATE_dfuERROR;
++ } else if (fsr & AT91C_MC_LOCKE) {
++ debug("errWRITE ");
++ dev->dfu_status = DFU_STATUS_errWRITE;
++ dev->dfu_state = DFU_STATE_dfuERROR;
++ } else if (fsr & AT91C_MC_FRDY) {
++#endif
++ debug("DNLOAD_IDLE ");
++ dev->dfu_state = DFU_STATE_dfuDNLOAD_IDLE;
++#if 0
++ } else {
++ debug("DNBUSY ");
++ dev->dfu_state = DFU_STATE_dfuDNBUSY;
++ }
++#endif
++ break;
++ case DFU_STATE_dfuMANIFEST_SYNC:
++ break;
++ default:
++ //return;
++ break;
++ }
++
++ /* send status response */
++ dstat->bStatus = dev->dfu_status;
++ dstat->bState = dev->dfu_state;
++ dstat->iString = 0;
++ /* FIXME: set dstat->bwPollTimeout */
++ urb->actual_length = MIN(sizeof(*dstat), max);
++
++ /* we don't need to explicitly send data here, will
++ * be done by the original caller! */
++}
++
++static void handle_getstate(struct urb *urb, int max)
++{
++ debug("getstate ");
++
++ if (!urb->buffer || urb->buffer_length < sizeof(u_int8_t)) {
++ debug("invalid urb! ");
++ return;
++ }
++
++ urb->buffer[0] = urb->device->dfu_state & 0xff;
++ urb->actual_length = sizeof(u_int8_t);
++}
++
++#ifndef CONFIG_USBD_PRODUCTID_DFU
++#define CONFIG_USBD_PRODUCTID_DFU CONFIG_USBD_PRODUCTID_CDCACM
++#endif
++
++static const struct usb_device_descriptor dfu_dev_descriptor = {
++ .bLength = USB_DT_DEVICE_SIZE,
++ .bDescriptorType = USB_DT_DEVICE,
++ .bcdUSB = 0x0100,
++ .bDeviceClass = 0x00,
++ .bDeviceSubClass = 0x00,
++ .bDeviceProtocol = 0x00,
++ .bMaxPacketSize0 = EP0_MAX_PACKET_SIZE,
++ .idVendor = CONFIG_USBD_VENDORID,
++ .idProduct = CONFIG_USBD_PRODUCTID_DFU,
++ .bcdDevice = 0x0000,
++ .iManufacturer = DFU_STR_MANUFACTURER,
++ .iProduct = DFU_STR_PRODUCT,
++ .iSerialNumber = DFU_STR_SERIAL,
++ .bNumConfigurations = 0x01,
++};
++
++static const struct _dfu_desc dfu_cfg_descriptor = {
++ .ucfg = {
++ .bLength = USB_DT_CONFIG_SIZE,
++ .bDescriptorType = USB_DT_CONFIG,
++ .wTotalLength = USB_DT_CONFIG_SIZE +
++ DFU_NUM_ALTERNATES * USB_DT_INTERFACE_SIZE +
++ USB_DT_DFU_SIZE,
++ .bNumInterfaces = 5,
++ .bConfigurationValue = 1,
++ .iConfiguration = DFU_STR_CONFIG,
++ .bmAttributes = BMATTRIBUTE_RESERVED,
++ .bMaxPower = 50,
++ },
++ .uif[0] = {
++ .bLength = USB_DT_INTERFACE_SIZE,
++ .bDescriptorType = USB_DT_INTERFACE,
++ .bInterfaceNumber = 0x00,
++ .bAlternateSetting = 0x00,
++ .bNumEndpoints = 0x00,
++ .bInterfaceClass = 0xfe,
++ .bInterfaceSubClass = 0x01,
++ .bInterfaceProtocol = 0x02,
++ .iInterface = DFU_STR_ALT0,
++ },
++ .uif[1] = {
++ .bLength = USB_DT_INTERFACE_SIZE,
++ .bDescriptorType = USB_DT_INTERFACE,
++ .bInterfaceNumber = 0x00,
++ .bAlternateSetting = 0x01,
++ .bNumEndpoints = 0x00,
++ .bInterfaceClass = 0xfe,
++ .bInterfaceSubClass = 0x01,
++ .bInterfaceProtocol = 0x02,
++ .iInterface = DFU_STR_ALT1,
++ },
++ .uif[2] = {
++ .bLength = USB_DT_INTERFACE_SIZE,
++ .bDescriptorType = USB_DT_INTERFACE,
++ .bInterfaceNumber = 0x00,
++ .bAlternateSetting = 0x02,
++ .bNumEndpoints = 0x00,
++ .bInterfaceClass = 0xfe,
++ .bInterfaceSubClass = 0x01,
++ .bInterfaceProtocol = 0x02,
++ .iInterface = DFU_STR_ALT2,
++ },
++ .uif[3] = {
++ .bLength = USB_DT_INTERFACE_SIZE,
++ .bDescriptorType = USB_DT_INTERFACE,
++ .bInterfaceNumber = 0x00,
++ .bAlternateSetting = 0x03,
++ .bNumEndpoints = 0x00,
++ .bInterfaceClass = 0xfe,
++ .bInterfaceSubClass = 0x01,
++ .bInterfaceProtocol = 0x02,
++ .iInterface = DFU_STR_ALT3,
++ },
++ .uif[4] = {
++ .bLength = USB_DT_INTERFACE_SIZE,
++ .bDescriptorType = USB_DT_INTERFACE,
++ .bInterfaceNumber = 0x00,
++ .bAlternateSetting = 0x04,
++ .bNumEndpoints = 0x00,
++ .bInterfaceClass = 0xfe,
++ .bInterfaceSubClass = 0x01,
++ .bInterfaceProtocol = 0x02,
++ .iInterface = DFU_STR_ALT4,
++ },
++ .uif[5] = {
++ .bLength = USB_DT_INTERFACE_SIZE,
++ .bDescriptorType = USB_DT_INTERFACE,
++ .bInterfaceNumber = 0x00,
++ .bAlternateSetting = 0x05,
++ .bNumEndpoints = 0x00,
++ .bInterfaceClass = 0xfe,
++ .bInterfaceSubClass = 0x01,
++ .bInterfaceProtocol = 0x02,
++ .iInterface = DFU_STR_ALT5,
++ },
++ .func_dfu = DFU_FUNC_DESC,
++};
++
++int dfu_ep0_handler(struct urb *urb)
++{
++ int rc, ret = RET_NOTHING;
++ u_int8_t req = urb->device_request.bRequest;
++ u_int16_t val = urb->device_request.wValue;
++ u_int16_t len = urb->device_request.wLength;
++ struct usb_device_instance *dev = urb->device;
++
++ debug("dfu_ep0(req=0x%x, val=0x%x, len=%u) old_state = %u ",
++ req, val, len, dev->dfu_state);
++
++ switch (dev->dfu_state) {
++ case DFU_STATE_appIDLE:
++ switch (req) {
++ case USB_REQ_DFU_GETSTATUS:
++ handle_getstatus(urb, len);
++ break;
++ case USB_REQ_DFU_GETSTATE:
++ handle_getstate(urb, len);
++ break;
++ case USB_REQ_DFU_DETACH:
++ dev->dfu_state = DFU_STATE_appDETACH;
++ ret = RET_ZLP;
++ goto out;
++ break;
++ default:
++ ret = RET_STALL;
++ }
++ break;
++ case DFU_STATE_appDETACH:
++ switch (req) {
++ case USB_REQ_DFU_GETSTATUS:
++ handle_getstatus(urb, len);
++ break;
++ case USB_REQ_DFU_GETSTATE:
++ handle_getstate(urb, len);
++ break;
++ default:
++ dev->dfu_state = DFU_STATE_appIDLE;
++ ret = RET_STALL;
++ goto out;
++ break;
++ }
++ /* FIXME: implement timer to return to appIDLE */
++ break;
++ case DFU_STATE_dfuIDLE:
++ switch (req) {
++ case USB_REQ_DFU_DNLOAD:
++ if (len == 0) {
++ dev->dfu_state = DFU_STATE_dfuERROR;
++ ret = RET_STALL;
++ goto out;
++ }
++ dev->dfu_state = DFU_STATE_dfuDNLOAD_SYNC;
++ ret = handle_dnload(urb, val, len, 1);
++ break;
++ case USB_REQ_DFU_UPLOAD:
++ dev->dfu_state = DFU_STATE_dfuUPLOAD_IDLE;
++ handle_upload(urb, val, len, 1);
++ break;
++ case USB_REQ_DFU_ABORT:
++ /* no zlp? */
++ ret = RET_ZLP;
++ break;
++ case USB_REQ_DFU_GETSTATUS:
++ handle_getstatus(urb, len);
++ break;
++ case USB_REQ_DFU_GETSTATE:
++ handle_getstate(urb, len);
++ break;
++ case USB_REQ_DFU_DETACH:
++ /* Proprietary extension: 'detach' from idle mode and
++ * get back to runtime mode in case of USB Reset. As
++ * much as I dislike this, we just can't use every USB
++ * bus reset to switch back to runtime mode, since at
++ * least the Linux USB stack likes to send a number of resets
++ * in a row :( */
++ dev->dfu_state = DFU_STATE_dfuMANIFEST_WAIT_RST;
++ break;
++ default:
++ dev->dfu_state = DFU_STATE_dfuERROR;
++ ret = RET_STALL;
++ goto out;
++ break;
++ }
++ break;
++ case DFU_STATE_dfuDNLOAD_SYNC:
++ switch (req) {
++ case USB_REQ_DFU_GETSTATUS:
++ handle_getstatus(urb, len);
++ /* FIXME: state transition depending on block completeness */
++ break;
++ case USB_REQ_DFU_GETSTATE:
++ handle_getstate(urb, len);
++ break;
++ default:
++ dev->dfu_state = DFU_STATE_dfuERROR;
++ ret = RET_STALL;
++ goto out;
++ }
++ break;
++ case DFU_STATE_dfuDNBUSY:
++ switch (req) {
++ case USB_REQ_DFU_GETSTATUS:
++ /* FIXME: only accept getstatus if bwPollTimeout
++ * has elapsed */
++ handle_getstatus(urb, len);
++ break;
++ default:
++ dev->dfu_state = DFU_STATE_dfuERROR;
++ ret = RET_STALL;
++ goto out;
++ }
++ break;
++ case DFU_STATE_dfuDNLOAD_IDLE:
++ switch (req) {
++ case USB_REQ_DFU_DNLOAD:
++ dev->dfu_state = DFU_STATE_dfuDNLOAD_SYNC;
++ ret = handle_dnload(urb, val, len, 0);
++ break;
++ case USB_REQ_DFU_ABORT:
++ dev->dfu_state = DFU_STATE_dfuIDLE;
++ ret = RET_ZLP;
++ break;
++ case USB_REQ_DFU_GETSTATUS:
++ handle_getstatus(urb, len);
++ break;
++ case USB_REQ_DFU_GETSTATE:
++ handle_getstate(urb, len);
++ break;
++ default:
++ dev->dfu_state = DFU_STATE_dfuERROR;
++ ret = RET_STALL;
++ break;
++ }
++ break;
++ case DFU_STATE_dfuMANIFEST_SYNC:
++ switch (req) {
++ case USB_REQ_DFU_GETSTATUS:
++ /* We're MainfestationTolerant */
++ dev->dfu_state = DFU_STATE_dfuIDLE;
++ handle_getstatus(urb, len);
++ break;
++ case USB_REQ_DFU_GETSTATE:
++ handle_getstate(urb, len);
++ break;
++ default:
++ dev->dfu_state = DFU_STATE_dfuERROR;
++ ret = RET_STALL;
++ break;
++ }
++ break;
++ case DFU_STATE_dfuMANIFEST:
++ /* we should never go here */
++ dev->dfu_state = DFU_STATE_dfuERROR;
++ ret = RET_STALL;
++ break;
++ case DFU_STATE_dfuMANIFEST_WAIT_RST:
++ /* we should never go here */
++ break;
++ case DFU_STATE_dfuUPLOAD_IDLE:
++ switch (req) {
++ case USB_REQ_DFU_UPLOAD:
++ /* state transition if less data then requested */
++ rc = handle_upload(urb, val, len, 0);
++ if (rc >= 0 && rc < len)
++ dev->dfu_state = DFU_STATE_dfuIDLE;
++ break;
++ case USB_REQ_DFU_ABORT:
++ dev->dfu_state = DFU_STATE_dfuIDLE;
++ /* no zlp? */
++ ret = RET_ZLP;
++ break;
++ case USB_REQ_DFU_GETSTATUS:
++ handle_getstatus(urb, len);
++ break;
++ case USB_REQ_DFU_GETSTATE:
++ handle_getstate(urb, len);
++ break;
++ default:
++ dev->dfu_state = DFU_STATE_dfuERROR;
++ ret = RET_STALL;
++ break;
++ }
++ break;
++ case DFU_STATE_dfuERROR:
++ switch (req) {
++ case USB_REQ_DFU_GETSTATUS:
++ handle_getstatus(urb, len);
++ break;
++ case USB_REQ_DFU_GETSTATE:
++ handle_getstate(urb, len);
++ break;
++ case USB_REQ_DFU_CLRSTATUS:
++ dev->dfu_state = DFU_STATE_dfuIDLE;
++ dev->dfu_status = DFU_STATUS_OK;
++ /* no zlp? */
++ ret = RET_ZLP;
++ break;
++ default:
++ dev->dfu_state = DFU_STATE_dfuERROR;
++ ret = RET_STALL;
++ break;
++ }
++ break;
++ default:
++ return DFU_EP0_UNHANDLED;
++ break;
++ }
++
++out:
++ debug("new_state = %u, ret = %u\n", dev->dfu_state, ret);
++
++ switch (ret) {
++ case RET_ZLP:
++ //udc_ep0_send_zlp();
++ urb->actual_length = 0;
++ return DFU_EP0_ZLP;
++ break;
++ case RET_STALL:
++ //udc_ep0_send_stall();
++ return DFU_EP0_STALL;
++ break;
++ case RET_NOTHING:
++ break;
++ }
++
++ return DFU_EP0_DATA;
++}
++
++void str2wide (char *str, u16 * wide);
++static struct usb_string_descriptor *create_usbstring(char *string)
++{
++ struct usb_string_descriptor *strdesc;
++ int size = sizeof(*strdesc) + strlen(string)*2;
++
++ if (size > 255)
++ return NULL;
++
++ strdesc = malloc(size);
++ if (!strdesc)
++ return NULL;
++
++ strdesc->bLength = size;
++ strdesc->bDescriptorType = USB_DT_STRING;
++ str2wide(string, strdesc->wData);
++
++ return strdesc;
++}
++
++
++static void dfu_init_strings(struct usb_device_instance *dev)
++{
++ int i;
++ struct usb_string_descriptor *strdesc;
++
++ strdesc = create_usbstring(CONFIG_DFU_CFG_STR);
++ usb_strings[DFU_STR_CONFIG] = strdesc;
++
++ for (i = 0; i < DFU_NUM_ALTERNATES; i++) {
++ if (i == 0) {
++ strdesc = create_usbstring(CONFIG_DFU_ALT0_STR);
++ } else {
++ struct part_info *part = get_partition_nand(i-1);
++
++ if (part)
++ strdesc = create_usbstring(part->name);
++ else
++ strdesc =
++ create_usbstring("undefined partition");
++ }
++ if (!strdesc)
++ continue;
++ usb_strings[STR_COUNT+i+1] = strdesc;
++ }
++}
++
++int dfu_init_instance(struct usb_device_instance *dev)
++{
++ dev->dfu_dev_desc = &dfu_dev_descriptor;
++ dev->dfu_cfg_desc = &dfu_cfg_descriptor;
++ dev->dfu_state = DFU_STATE_appIDLE;
++ dev->dfu_status = DFU_STATUS_OK;
++
++ if (system_dfu_state)
++ printf("SURPRISE: system_dfu_state is already set\n");
++ system_dfu_state = &dev->dfu_state;
++
++ dfu_init_strings(dev);
++
++ return 0;
++}
++
++static int stdout_switched;
++
++/* event handler for usb device state events */
++void dfu_event(struct usb_device_instance *device,
++ usb_device_event_t event, int data)
++{
++ char *out;
++
++ switch (event) {
++ case DEVICE_RESET:
++ switch (device->dfu_state) {
++ case DFU_STATE_appDETACH:
++ device->dfu_state = DFU_STATE_dfuIDLE;
++ out = getenv("stdout");
++ if (out && !strcmp(out, "usbtty")) {
++ setenv("stdout", "vga");
++ setenv("stderr", "vga");
++ stdout_switched = 1;
++ }
++ printf("DFU: Switching to DFU Mode\n");
++ break;
++ case DFU_STATE_dfuMANIFEST_WAIT_RST:
++ device->dfu_state = DFU_STATE_appIDLE;
++ printf("DFU: Switching back to Runtime mode\n");
++ if (stdout_switched) {
++ setenv("stdout", "usbtty");
++ setenv("stderr", "usbtty");
++ stdout_switched = 0;
++ }
++ break;
++ default:
++ break;
++ }
++ break;
++ case DEVICE_CONFIGURED:
++ case DEVICE_DE_CONFIGURED:
++ debug("SET_CONFIGURATION(%u) ", device->configuration);
++ /* fallthrough */
++ case DEVICE_SET_INTERFACE:
++ debug("SET_INTERFACE(%u,%u) old_state = %u ",
++ device->interface, device->alternate,
++ device->dfu_state);
++ switch (device->dfu_state) {
++ case DFU_STATE_appIDLE:
++ case DFU_STATE_appDETACH:
++ case DFU_STATE_dfuIDLE:
++ case DFU_STATE_dfuMANIFEST_WAIT_RST:
++ /* do nothing, we're fine */
++ break;
++ case DFU_STATE_dfuDNLOAD_SYNC:
++ case DFU_STATE_dfuDNBUSY:
++ case DFU_STATE_dfuDNLOAD_IDLE:
++ case DFU_STATE_dfuMANIFEST:
++ device->dfu_state = DFU_STATE_dfuERROR;
++ device->dfu_status = DFU_STATUS_errNOTDONE;
++ /* FIXME: free malloc()ed buffer! */
++ break;
++ case DFU_STATE_dfuMANIFEST_SYNC:
++ case DFU_STATE_dfuUPLOAD_IDLE:
++ case DFU_STATE_dfuERROR:
++ device->dfu_state = DFU_STATE_dfuERROR;
++ device->dfu_status = DFU_STATUS_errUNKNOWN;
++ break;
++ }
++ debug("new_state = %u\n", device->dfu_state);
++ break;
++ default:
++ break;
++ }
++}
++#endif /* CONFIG_USBD_DFU */
+Index: u-boot/drivers/Makefile
+===================================================================
+--- u-boot.orig/drivers/Makefile
++++ u-boot/drivers/Makefile
+@@ -47,7 +47,7 @@
+ status_led.o sym53c8xx.o systemace.o ahci.o \
+ ti_pci1410a.o tigon3.o tsec.o \
+ tsi108_eth.o tsi108_i2c.o tsi108_pci.o \
+- usbdcore.o usbdcore_ep0.o usbdcore_omap1510.o usbdcore_s3c2410.o usbtty.o \
++ usbdcore.o usbdfu.o usbdcore_ep0.o usbdcore_omap1510.o usbdcore_s3c2410.o usbtty.o \
+ videomodes.o w83c553f.o \
+ ks8695eth.o \
+ pcf50606.o \
+Index: u-boot/drivers/usbdcore.c
+===================================================================
+--- u-boot.orig/drivers/usbdcore.c
++++ u-boot/drivers/usbdcore.c
+@@ -31,6 +31,7 @@
+
+ #include <malloc.h>
+ #include "usbdcore.h"
++#include <usb_dfu.h>
+
+ #define MAX_INTERFACES 2
+
+@@ -212,6 +213,10 @@
+ */
+ struct usb_device_descriptor *usbd_device_device_descriptor (struct usb_device_instance *device, int port)
+ {
++#ifdef CONFIG_USBD_DFU
++ if (device->dfu_state != DFU_STATE_appIDLE)
++ return device->dfu_dev_desc;
++#endif
+ return (device->device_descriptor);
+ }
+
+@@ -232,6 +237,10 @@
+ if (!(configuration_instance = usbd_device_configuration_instance (device, port, configuration))) {
+ return NULL;
+ }
++#ifdef CONFIG_USBD_DFU
++ if (device->dfu_state != DFU_STATE_appIDLE)
++ return (&device->dfu_cfg_desc->ucfg);
++#endif
+ return (configuration_instance->configuration_descriptor);
+ }
+
+@@ -253,6 +262,13 @@
+ if (!(interface_instance = usbd_device_interface_instance (device, port, configuration, interface))) {
+ return NULL;
+ }
++#ifdef CONFIG_USBD_DFU
++ if (device->dfu_state != DFU_STATE_appIDLE) {
++ if (alternate < 0 || alternate >= DFU_NUM_ALTERNATES)
++ return NULL;
++ return &device->dfu_cfg_desc->uif[alternate];
++ }
++#endif
+ if ((alternate < 0) || (alternate >= interface_instance->alternates)) {
+ return NULL;
+ }
+@@ -681,4 +697,7 @@
+ /* usbdbg("calling device->event"); */
+ device->event(device, event, data);
+ }
++#ifdef CONFIG_USBD_DFU
++ dfu_event(device, event, data);
++#endif
+ }
+Index: u-boot/drivers/usbtty.c
+===================================================================
+--- u-boot.orig/drivers/usbtty.c
++++ u-boot/drivers/usbtty.c
+@@ -31,6 +31,8 @@
+ #include "usbtty.h"
+ #include "usb_cdc_acm.h"
+ #include "usbdescriptors.h"
++#include <usb_dfu_descriptors.h>
++#include <usb_dfu.h>
+ #include <config.h> /* If defined, override Linux identifiers with
+ * vendor specific ones */
+
+@@ -118,7 +120,7 @@
+ static unsigned short rx_endpoint = 0;
+ static unsigned short tx_endpoint = 0;
+ static unsigned short interface_count = 0;
+-static struct usb_string_descriptor *usbtty_string_table[STR_COUNT];
++static struct usb_string_descriptor *usbtty_string_table[NUM_STRINGS];
+
+ /* USB Descriptor Strings */
+ static u8 wstrLang[4] = {4,USB_DT_STRING,0x9,0x4};
+@@ -169,6 +171,10 @@
+ struct usb_interface_descriptor data_class_interface;
+ struct usb_endpoint_descriptor
+ data_endpoints[NUM_ENDPOINTS-1] __attribute__((packed));
++#ifdef CONFIG_USBD_DFU
++ struct usb_interface_descriptor uif_dfu;
++ struct usb_dfu_func_descriptor func_dfu;
++#endif
+ } __attribute__((packed));
+
+ static struct acm_config_desc acm_configuration_descriptors[NUM_CONFIGS] = {
+@@ -179,7 +185,11 @@
+ .bDescriptorType = USB_DT_CONFIG,
+ .wTotalLength =
+ cpu_to_le16(sizeof(struct acm_config_desc)),
++#ifdef CONFIG_USBD_DFU
++ .bNumInterfaces = NUM_ACM_INTERFACES +1,
++#else
+ .bNumInterfaces = NUM_ACM_INTERFACES,
++#endif
+ .bConfigurationValue = 1,
+ .iConfiguration = STR_CONFIG,
+ .bmAttributes =
+@@ -278,6 +288,11 @@
+ .bInterval = 0xFF,
+ },
+ },
++#ifdef CONFIG_USBD_DFU
++ /* Interface 3 */
++ .uif_dfu = DFU_RT_IF_DESC,
++ .func_dfu = DFU_FUNC_DESC,
++#endif
+ },
+ };
+
+@@ -390,7 +405,7 @@
+ void usbtty_poll (void);
+
+ /* utility function for converting char* to wide string used by USB */
+-static void str2wide (char *str, u16 * wide)
++void str2wide (char *str, u16 * wide)
+ {
+ int i;
+ for (i = 0; i < strlen (str) && str[i]; i++){
+@@ -652,6 +667,9 @@
+ device_instance->bus = bus_instance;
+ device_instance->configurations = NUM_CONFIGS;
+ device_instance->configuration_instance_array = config_instance;
++#ifdef CONFIG_USBD_DFU
++ dfu_init_instance(device_instance);
++#endif
+
+ /* initialize bus instance */
+ memset (bus_instance, 0, sizeof (struct usb_bus_instance));
+Index: u-boot/include/configs/neo1973_gta01.h
+===================================================================
+--- u-boot.orig/include/configs/neo1973_gta01.h
++++ u-boot/include/configs/neo1973_gta01.h
+@@ -167,7 +167,7 @@
+ */
+ #define CONFIG_STACKSIZE (128*1024) /* regular stack */
+ #ifdef CONFIG_USE_IRQ
+-#define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */
++#define CONFIG_STACKSIZE_IRQ (8*1024) /* IRQ stack */
+ #define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */
+ #endif
+
+@@ -184,6 +184,10 @@
+ #define CONFIG_USBD_MANUFACTURER "OpenMoko, Inc"
+ #define CONFIG_USBD_PRODUCT_NAME "Neo1973 Bootloader " U_BOOT_VERSION
+ #define CONFIG_EXTRA_ENV_SETTINGS "usbtty=cdc_acm\0"
++#define CONFIG_USBD_DFU 1
++#define CONFIG_USBD_DFU_XFER_SIZE 4096 /* 0x4000 */
++#define CONFIG_USBD_DFU_INTERFACE 2
++
+
+ /*-----------------------------------------------------------------------
+ * Physical Memory Map
+Index: u-boot/include/usb_dfu.h
+===================================================================
+--- /dev/null
++++ u-boot/include/usb_dfu.h
+@@ -0,0 +1,99 @@
++#ifndef _DFU_H
++#define _DFU_H
++
++/* USB Device Firmware Update Implementation for u-boot
++ * (C) 2007 by OpenMoko, Inc.
++ * Author: Harald Welte <laforge@openmoko.org>
++ *
++ * based on: USB Device Firmware Update Implementation for OpenPCD
++ * (C) 2006 by Harald Welte <hwelte@hmw-consulting.de>
++ *
++ * This ought to be compliant to the USB DFU Spec 1.0 as available from
++ * http://www.usb.org/developers/devclass_docs/usbdfu10.pdf
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License as published by
++ * the Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software
++ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
++ */
++
++#include <asm/types.h>
++#include <usbdescriptors.h>
++#include <usb_dfu_descriptors.h>
++#include <config.h>
++
++/* USB DFU functional descriptor */
++#define DFU_FUNC_DESC { \
++ .bLength = USB_DT_DFU_SIZE, \
++ .bDescriptorType = USB_DT_DFU, \
++ .bmAttributes = USB_DFU_CAN_UPLOAD | USB_DFU_CAN_DOWNLOAD | USB_DFU_MANIFEST_TOL, \
++ .wDetachTimeOut = 0xff00, \
++ .wTransferSize = CONFIG_USBD_DFU_XFER_SIZE, \
++ .bcdDFUVersion = 0x0100, \
++}
++
++/* USB Interface descriptor in Runtime mode */
++#define DFU_RT_IF_DESC { \
++ .bLength = USB_DT_INTERFACE_SIZE, \
++ .bDescriptorType = USB_DT_INTERFACE, \
++ .bInterfaceNumber = CONFIG_USBD_DFU_INTERFACE, \
++ .bAlternateSetting = 0x00, \
++ .bNumEndpoints = 0x00, \
++ .bInterfaceClass = 0xfe, \
++ .bInterfaceSubClass = 0x01, \
++ .bInterfaceProtocol = 0x01, \
++ .iInterface = DFU_STR_CONFIG, \
++}
++
++#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
++
++#define DFU_NUM_ALTERNATES 6
++
++#define DFU_STR_MANUFACTURER STR_MANUFACTURER
++#define DFU_STR_PRODUCT STR_PRODUCT
++#define DFU_STR_SERIAL STR_SERIAL
++#define DFU_STR_CONFIG (STR_COUNT)
++#define DFU_STR_ALT0 (STR_COUNT+1)
++#define DFU_STR_ALT1 (STR_COUNT+2)
++#define DFU_STR_ALT2 (STR_COUNT+3)
++#define DFU_STR_ALT3 (STR_COUNT+4)
++#define DFU_STR_ALT4 (STR_COUNT+5)
++#define DFU_STR_ALT5 (STR_COUNT+6)
++#define DFU_STR_COUNT (STR_COUNT+7)
++
++#define DFU_NUM_STRINGS (STR_COUNT+8)
++
++#define CONFIG_DFU_CFG_STR "USB Device Firmware Upgrade"
++#define CONFIG_DFU_ALT0_STR "RAM 0x32000000"
++
++struct _dfu_desc {
++ struct usb_configuration_descriptor ucfg;
++ struct usb_interface_descriptor uif[DFU_NUM_ALTERNATES];
++ struct usb_dfu_func_descriptor func_dfu;
++};
++
++int dfu_init_instance(struct usb_device_instance *dev);
++
++#define DFU_EP0_NONE 0
++#define DFU_EP0_UNHANDLED 1
++#define DFU_EP0_STALL 2
++#define DFU_EP0_ZLP 3
++#define DFU_EP0_DATA 4
++
++extern volatile enum dfu_state *system_dfu_state; /* for 3rd parties */
++
++int dfu_ep0_handler(struct urb *urb);
++
++void dfu_event(struct usb_device_instance *device,
++ usb_device_event_t event, int data);
++
++#endif /* _DFU_H */
+Index: u-boot/include/usb_dfu_descriptors.h
+===================================================================
+--- /dev/null
++++ u-boot/include/usb_dfu_descriptors.h
+@@ -0,0 +1,94 @@
++#ifndef _USB_DFU_H
++#define _USB_DFU_H
++/* USB Device Firmware Update Implementation for OpenPCD
++ * (C) 2006 by Harald Welte <hwelte@hmw-consulting.de>
++ *
++ * Protocol definitions for USB DFU
++ *
++ * This ought to be compliant to the USB DFU Spec 1.0 as available from
++ * http://www.usb.org/developers/devclass_docs/usbdfu10.pdf
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License as published by
++ * the Free Software Foundation; either version 2 of the License, or
++ * (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software
++ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
++ */
++
++#include <linux/types.h>
++
++#define USB_DT_DFU 0x21
++
++struct usb_dfu_func_descriptor {
++ u_int8_t bLength;
++ u_int8_t bDescriptorType;
++ u_int8_t bmAttributes;
++#define USB_DFU_CAN_DOWNLOAD (1 << 0)
++#define USB_DFU_CAN_UPLOAD (1 << 1)
++#define USB_DFU_MANIFEST_TOL (1 << 2)
++#define USB_DFU_WILL_DETACH (1 << 3)
++ u_int16_t wDetachTimeOut;
++ u_int16_t wTransferSize;
++ u_int16_t bcdDFUVersion;
++} __attribute__ ((packed));
++
++#define USB_DT_DFU_SIZE 9
++
++#define USB_TYPE_DFU (USB_TYPE_CLASS|USB_RECIP_INTERFACE)
++
++/* DFU class-specific requests (Section 3, DFU Rev 1.1) */
++#define USB_REQ_DFU_DETACH 0x00
++#define USB_REQ_DFU_DNLOAD 0x01
++#define USB_REQ_DFU_UPLOAD 0x02
++#define USB_REQ_DFU_GETSTATUS 0x03
++#define USB_REQ_DFU_CLRSTATUS 0x04
++#define USB_REQ_DFU_GETSTATE 0x05
++#define USB_REQ_DFU_ABORT 0x06
++
++struct dfu_status {
++ u_int8_t bStatus;
++ u_int8_t bwPollTimeout[3];
++ u_int8_t bState;
++ u_int8_t iString;
++} __attribute__((packed));
++
++#define DFU_STATUS_OK 0x00
++#define DFU_STATUS_errTARGET 0x01
++#define DFU_STATUS_errFILE 0x02
++#define DFU_STATUS_errWRITE 0x03
++#define DFU_STATUS_errERASE 0x04
++#define DFU_STATUS_errCHECK_ERASED 0x05
++#define DFU_STATUS_errPROG 0x06
++#define DFU_STATUS_errVERIFY 0x07
++#define DFU_STATUS_errADDRESS 0x08
++#define DFU_STATUS_errNOTDONE 0x09
++#define DFU_STATUS_errFIRMWARE 0x0a
++#define DFU_STATUS_errVENDOR 0x0b
++#define DFU_STATUS_errUSBR 0x0c
++#define DFU_STATUS_errPOR 0x0d
++#define DFU_STATUS_errUNKNOWN 0x0e
++#define DFU_STATUS_errSTALLEDPKT 0x0f
++
++enum dfu_state {
++ DFU_STATE_appIDLE = 0,
++ DFU_STATE_appDETACH = 1,
++ DFU_STATE_dfuIDLE = 2,
++ DFU_STATE_dfuDNLOAD_SYNC = 3,
++ DFU_STATE_dfuDNBUSY = 4,
++ DFU_STATE_dfuDNLOAD_IDLE = 5,
++ DFU_STATE_dfuMANIFEST_SYNC = 6,
++ DFU_STATE_dfuMANIFEST = 7,
++ DFU_STATE_dfuMANIFEST_WAIT_RST = 8,
++ DFU_STATE_dfuUPLOAD_IDLE = 9,
++ DFU_STATE_dfuERROR = 10,
++};
++
++#endif /* _USB_DFU_H */
+Index: u-boot/include/usbdcore.h
+===================================================================
+--- u-boot.orig/include/usbdcore.h
++++ u-boot/include/usbdcore.h
+@@ -33,6 +33,7 @@
+
+ #include <common.h>
+ #include "usbdescriptors.h"
++#include <usb_dfu_descriptors.h>
+
+
+ #define MAX_URBS_QUEUED 5
+@@ -475,7 +476,11 @@
+ * function driver to inform it that data has arrived.
+ */
+
++#ifdef CONFIG_USBD_DFU
++#define URB_BUF_SIZE (128+CONFIG_USBD_DFU_XFER_SIZE)
++#else
+ #define URB_BUF_SIZE 128 /* in linux we'd malloc this, but in u-boot we prefer static data */
++#endif
+ struct urb {
+
+ struct usb_endpoint_instance *endpoint;
+@@ -603,6 +608,12 @@
+ unsigned long usbd_rxtx_timestamp;
+ unsigned long usbd_last_rxtx_timestamp;
+
++#ifdef CONFIG_USBD_DFU
++ const struct usb_device_descriptor *dfu_dev_desc;
++ const struct _dfu_desc *dfu_cfg_desc;
++ enum dfu_state dfu_state;
++ u_int8_t dfu_status;
++#endif
+ };
+
+ /* Bus Interface configuration structure
+@@ -632,6 +643,8 @@
+ extern char *usbd_device_requests[];
+ extern char *usbd_device_descriptors[];
+
++extern struct usb_string_descriptor **usb_strings;
++
+ void urb_link_init (urb_link * ul);
+ void urb_detach (struct urb *urb);
+ urb_link *first_urb_link (urb_link * hd);
+Index: u-boot/drivers/usbtty.h
+===================================================================
+--- u-boot.orig/drivers/usbtty.h
++++ u-boot/drivers/usbtty.h
+@@ -71,4 +71,10 @@
+ #define STR_CTRL_INTERFACE 0x06
+ #define STR_COUNT 0x07
+
++#ifdef CONFIG_USBD_DFU
++#define NUM_STRINGS DFU_STR_COUNT
++#else
++#define NUM_STRINGS STR_COUNT
++#endif
++
+ #endif
+Index: u-boot/include/configs/qt2410.h
+===================================================================
+--- u-boot.orig/include/configs/qt2410.h
++++ u-boot/include/configs/qt2410.h
+@@ -199,7 +199,8 @@
+ #define CONFIG_USBD_PRODUCT_NAME "QT2410 Bootloader " U_BOOT_VERSION
+ #define CONFIG_EXTRA_ENV_SETTINGS "usbtty=cdc_acm\0"
+ #define CONFIG_USBD_DFU 1
+-#define CONFIG_USBD_DFU_XFER_SIZE 0x4000
++#define CONFIG_USBD_DFU_XFER_SIZE 4096
++#define CONFIG_USBD_DFU_INTERFACE 2
+
+ /*-----------------------------------------------------------------------
+ * Physical Memory Map
+Index: u-boot/tools/Makefile
+===================================================================
+--- u-boot.orig/tools/Makefile
++++ u-boot/tools/Makefile
+@@ -21,10 +21,10 @@
+ # MA 02111-1307 USA
+ #
+
+-BIN_FILES = img2srec$(SFX) mkimage$(SFX) envcrc$(SFX) gen_eth_addr$(SFX) bmp_logo$(SFX)
++BIN_FILES = img2srec$(SFX) mkimage$(SFX) envcrc$(SFX) gen_eth_addr$(SFX) bmp_logo$(SFX) mkudfu$(SFX)
+
+ OBJ_LINKS = environment.o crc32.o
+-OBJ_FILES = img2srec.o mkimage.o envcrc.o gen_eth_addr.o bmp_logo.o
++OBJ_FILES = img2srec.o mkimage.o envcrc.o gen_eth_addr.o bmp_logo.o mkudfu.o
+
+ ifeq ($(ARCH),mips)
+ BIN_FILES += inca-swap-bytes$(SFX)
+@@ -137,6 +137,10 @@
+ $(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
+ $(STRIP) $@
+
++$(obj)mkudfu$(SFX): $(obj)mkudfu.o
++ $(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
++ $(STRIP) $@
++
+ $(obj)ncb$(SFX): $(obj)ncb.o
+ $(CC) $(CFLAGS) $(HOST_LDFLAGS) -o $@ $^
+ $(STRIP) $@
+Index: u-boot/tools/mkudfu.c
+===================================================================
+--- /dev/null
++++ u-boot/tools/mkudfu.c
+@@ -0,0 +1,314 @@
++/*
++ * USB DFU file trailer tool
++ * (C) Copyright by OpenMoko, Inc.
++ * Author: Harald Welte <laforge@openmoko.org>
++ *
++ * based on mkimage.c, copyright information as follows:
++ *
++ * (C) Copyright 2000-2004
++ * DENX Software Engineering
++ * Wolfgang Denk, wd@denx.de
++ * All rights reserved.
++ *
++ * This program is free software; you can redistribute it and/or
++ * modify it under the terms of the GNU General Public License as
++ * published by the Free Software Foundation; either version 2 of
++ * the License, or (at your option) any later version.
++ *
++ * This program is distributed in the hope that it will be useful,
++ * but WITHOUT ANY WARRANTY; without even the implied warranty of
++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
++ * GNU General Public License for more details.
++ *
++ * You should have received a copy of the GNU General Public License
++ * along with this program; if not, write to the Free Software
++ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
++ * MA 02111-1307 USA
++ */
++
++#include <errno.h>
++#include <fcntl.h>
++#include <stdio.h>
++#include <stdlib.h>
++#include <string.h>
++#ifndef __WIN32__
++#include <netinet/in.h> /* for host / network byte order conversions */
++#endif
++#include <sys/mman.h>
++#include <sys/stat.h>
++#include <time.h>
++#include <unistd.h>
++
++#if defined(__BEOS__) || defined(__NetBSD__) || defined(__APPLE__)
++#include <inttypes.h>
++#endif
++
++#ifdef __WIN32__
++typedef unsigned int __u32;
++
++#define SWAP_LONG(x) \
++ ((__u32)( \
++ (((__u32)(x) & (__u32)0x000000ffUL) << 24) | \
++ (((__u32)(x) & (__u32)0x0000ff00UL) << 8) | \
++ (((__u32)(x) & (__u32)0x00ff0000UL) >> 8) | \
++ (((__u32)(x) & (__u32)0xff000000UL) >> 24) ))
++typedef unsigned char uint8_t;
++typedef unsigned short uint16_t;
++typedef unsigned int uint32_t;
++
++#define ntohl(a) SWAP_LONG(a)
++#define htonl(a) SWAP_LONG(a)
++#endif /* __WIN32__ */
++
++#ifndef O_BINARY /* should be define'd on __WIN32__ */
++#define O_BINARY 0
++#endif
++
++#include <usb_dfu_trailer.h>
++
++extern int errno;
++
++#ifndef MAP_FAILED
++#define MAP_FAILED (-1)
++#endif
++
++static char *cmdname;
++
++static char *datafile;
++static char *imagefile;
++
++
++static void usage()
++{
++ fprintf (stderr, "%s - create / display u-boot DFU trailer\n", cmdname);
++ fprintf (stderr, "Usage: %s -l image\n"
++ " -l ==> list image header information\n"
++ " %s -v VID -p PID -r REV -d data_file image\n",
++ cmdname, cmdname);
++ fprintf (stderr, " -v ==> set vendor ID to 'VID'\n"
++ " -p ==> set product ID system to 'PID'\n"
++ " -r ==> set hardware revision to 'REV'\n"
++ " -d ==> use 'data_file' as input file\n"
++ );
++ exit (EXIT_FAILURE);
++}
++
++static void print_trailer(struct uboot_dfu_trailer *trailer)
++{
++ printf("===> DFU Trailer information:\n");
++ printf("Trailer Vers.: %d\n", trailer->version);
++ printf("Trailer Length: %d\n", trailer->length);
++ printf("VendorID: 0x%04x\n", trailer->vendor);
++ printf("ProductID: 0x%04x\n", trailer->product);
++ printf("HW Revision: 0x%04x\n", trailer->revision);
++}
++
++static void copy_file (int ifd, const char *datafile, int pad)
++{
++ int dfd;
++ struct stat sbuf;
++ unsigned char *ptr;
++ int tail;
++ int zero = 0;
++ int offset = 0;
++ int size;
++
++ if ((dfd = open(datafile, O_RDONLY|O_BINARY)) < 0) {
++ fprintf (stderr, "%s: Can't open %s: %s\n",
++ cmdname, datafile, strerror(errno));
++ exit (EXIT_FAILURE);
++ }
++
++ if (fstat(dfd, &sbuf) < 0) {
++ fprintf (stderr, "%s: Can't stat %s: %s\n",
++ cmdname, datafile, strerror(errno));
++ exit (EXIT_FAILURE);
++ }
++
++ ptr = (unsigned char *)mmap(0, sbuf.st_size,
++ PROT_READ, MAP_SHARED, dfd, 0);
++ if (ptr == (unsigned char *)MAP_FAILED) {
++ fprintf (stderr, "%s: Can't read %s: %s\n",
++ cmdname, datafile, strerror(errno));
++ exit (EXIT_FAILURE);
++ }
++
++ size = sbuf.st_size - offset;
++ if (write(ifd, ptr + offset, size) != size) {
++ fprintf (stderr, "%s: Write error on %s: %s\n",
++ cmdname, imagefile, strerror(errno));
++ exit (EXIT_FAILURE);
++ }
++
++ if (pad && ((tail = size % 4) != 0)) {
++
++ if (write(ifd, (char *)&zero, 4-tail) != 4-tail) {
++ fprintf (stderr, "%s: Write error on %s: %s\n",
++ cmdname, imagefile, strerror(errno));
++ exit (EXIT_FAILURE);
++ }
++ }
++
++ (void) munmap((void *)ptr, sbuf.st_size);
++ (void) close (dfd);
++}
++
++
++int main(int argc, char **argv)
++{
++ int ifd;
++ int lflag = 0;
++ struct stat sbuf;
++ u_int16_t opt_vendor, opt_product, opt_revision;
++ struct uboot_dfu_trailer _hdr, _mirror, *hdr = &_hdr;
++
++ opt_vendor = opt_product = opt_revision = 0;
++
++ cmdname = *argv;
++
++ while (--argc > 0 && **++argv == '-') {
++ while (*++*argv) {
++ switch (**argv) {
++ case 'l':
++ lflag = 1;
++ break;
++ case 'v':
++ if (--argc <= 0)
++ usage ();
++ opt_vendor = strtoul(*++argv, NULL, 16);
++ goto NXTARG;
++ case 'p':
++ if (--argc <= 0)
++ usage ();
++ opt_product = strtoul(*++argv, NULL, 16);
++ goto NXTARG;
++ case 'r':
++ if (--argc <= 0)
++ usage ();
++ opt_revision = strtoul(*++argv, NULL, 16);
++ goto NXTARG;
++ case 'd':
++ if (--argc <= 0)
++ usage ();
++ datafile = *++argv;
++ goto NXTARG;
++ case 'h':
++ usage();
++ break;
++ default:
++ usage();
++ }
++ }
++NXTARG: ;
++ }
++
++ if (argc != 1)
++ usage();
++
++ imagefile = *argv;
++
++ if (lflag)
++ ifd = open(imagefile, O_RDONLY|O_BINARY);
++ else
++ ifd = open(imagefile, O_RDWR|O_CREAT|O_TRUNC|O_BINARY, 0666);
++
++ if (ifd < 0) {
++ fprintf (stderr, "%s: Can't open %s: %s\n",
++ cmdname, imagefile, strerror(errno));
++ exit (EXIT_FAILURE);
++ }
++
++ if (lflag) {
++ unsigned char *ptr;
++ /* list header information of existing image */
++ if (fstat(ifd, &sbuf) < 0) {
++ fprintf (stderr, "%s: Can't stat %s: %s\n",
++ cmdname, imagefile, strerror(errno));
++ exit (EXIT_FAILURE);
++ }
++
++ if ((unsigned)sbuf.st_size < sizeof(struct uboot_dfu_trailer)) {
++ fprintf (stderr,
++ "%s: Bad size: \"%s\" is no valid image\n",
++ cmdname, imagefile);
++ exit (EXIT_FAILURE);
++ }
++
++ ptr = (unsigned char *)mmap(0, sbuf.st_size,
++ PROT_READ, MAP_SHARED, ifd, 0);
++ if ((caddr_t)ptr == (caddr_t)-1) {
++ fprintf (stderr, "%s: Can't read %s: %s\n",
++ cmdname, imagefile, strerror(errno));
++ exit (EXIT_FAILURE);
++ }
++
++ dfu_trailer_mirror(hdr, ptr+sbuf.st_size);
++
++ if (hdr->magic != UBOOT_DFU_TRAILER_MAGIC) {
++ fprintf (stderr,
++ "%s: Bad Magic Number: \"%s\" is no valid image\n",
++ cmdname, imagefile);
++ exit (EXIT_FAILURE);
++ }
++
++ /* for multi-file images we need the data part, too */
++ print_trailer(hdr);
++
++ (void) munmap((void *)ptr, sbuf.st_size);
++ (void) close (ifd);
++
++ exit (EXIT_SUCCESS);
++ }
++
++ /* if we're not listing: */
++
++ copy_file (ifd, datafile, 0);
++
++ memset (hdr, 0, sizeof(struct uboot_dfu_trailer));
++
++ /* Build new header */
++ hdr->version = UBOOT_DFU_TRAILER_V1;
++ hdr->magic = UBOOT_DFU_TRAILER_MAGIC;
++ hdr->length = sizeof(struct uboot_dfu_trailer);
++ hdr->vendor = opt_vendor;
++ hdr->product = opt_product;
++ hdr->revision = opt_revision;
++
++ print_trailer(hdr);
++ dfu_trailer_mirror(&_mirror, (unsigned char *)hdr+sizeof(*hdr));
++
++ if (write(ifd, &_mirror, sizeof(struct uboot_dfu_trailer))
++ != sizeof(struct uboot_dfu_trailer)) {
++ fprintf (stderr, "%s: Write error on %s: %s\n",
++ cmdname, imagefile, strerror(errno));
++ exit (EXIT_FAILURE);
++ }
++
++ /* We're a bit of paranoid */
++#if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__)
++ (void) fdatasync (ifd);
++#else
++ (void) fsync (ifd);
++#endif
++
++ if (fstat(ifd, &sbuf) < 0) {
++ fprintf (stderr, "%s: Can't stat %s: %s\n",
++ cmdname, imagefile, strerror(errno));
++ exit (EXIT_FAILURE);
++ }
++
++ /* We're a bit of paranoid */
++#if defined(_POSIX_SYNCHRONIZED_IO) && !defined(__sun__) && !defined(__FreeBSD__)
++ (void) fdatasync (ifd);
++#else
++ (void) fsync (ifd);
++#endif
++
++ if (close(ifd)) {
++ fprintf (stderr, "%s: Write error on %s: %s\n",
++ cmdname, imagefile, strerror(errno));
++ exit (EXIT_FAILURE);
++ }
++
++ exit (EXIT_SUCCESS);
++}
+Index: u-boot/include/usb_dfu_trailer.h
+===================================================================
+--- /dev/null
++++ u-boot/include/usb_dfu_trailer.h
+@@ -0,0 +1,31 @@
++#ifndef _USB_DFU_TRAILER_H
++#define _USB_DFU_TRAILER_H
++
++/* trailer handling for DFU files */
++
++#define UBOOT_DFU_TRAILER_V1 1
++#define UBOOT_DFU_TRAILER_MAGIC 0x19731978
++struct uboot_dfu_trailer {
++ u_int32_t magic;
++ u_int16_t version;
++ u_int16_t length;
++ u_int16_t vendor;
++ u_int16_t product;
++ u_int32_t revision;
++} __attribute__((packed));
++
++/* we mirror the trailer because we want it to be longer in later versions
++ * while keeping backwards compatibility */
++static inline void dfu_trailer_mirror(struct uboot_dfu_trailer *trailer,
++ unsigned char *eof)
++{
++ int i;
++ int len = sizeof(struct uboot_dfu_trailer);
++ unsigned char *src = eof - len;
++ unsigned char *dst = (unsigned char *) trailer;
++
++ for (i = 0; i < len; i++)
++ dst[len-1-i] = src[i];
++}
++
++#endif /* _USB_DFU_TRAILER_H */
+Index: u-boot/Makefile
+===================================================================
+--- u-boot.orig/Makefile
++++ u-boot/Makefile
+@@ -261,6 +261,12 @@
+ $(obj)u-boot.bin: $(obj)u-boot
+ $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
+
++$(obj)u-boot.udfu: $(obj)u-boot.bin
++ ./tools/mkudfu -v $(CONFIG_USB_DFU_VENDOR) \
++ -p $(CONFIG_USB_DFU_PRODUCT) \
++ -r $(CONFIG_USB_DFU_REVISION) \
++ -d $< $@
++
+ $(obj)u-boot.img: $(obj)u-boot.bin
+ ./tools/mkimage -A $(ARCH) -T firmware -C none \
+ -a $(TEXT_BASE) -e 0 \
+Index: u-boot/board/neo1973/gta01/split_by_variant.sh
+===================================================================
+--- u-boot.orig/board/neo1973/gta01/split_by_variant.sh
++++ u-boot/board/neo1973/gta01/split_by_variant.sh
+@@ -15,37 +15,44 @@
+ echo "$0:: No parameters - using GTA01Bv3 config"
+ echo "#define CONFIG_ARCH_GTA01B_v3" > $CFGINC
+ echo "GTA01_BIG_RAM=y" > $CFGTMP
++ echo "CONFIG_USB_DFU_REVISION=0x0230" > $CFGTMP
+ else
+ case "$1" in
+ gta01v4_config)
+ echo "#define CONFIG_ARCH_GTA01_v4" > $CFGINC
+ echo "GTA01_BIG_RAM=n" > $CFGTMP
++ echo "CONFIG_USB_DFU_REVISION=0x0140" > $CFGTMP
+ ;;
+
+ gta01v3_config)
+ echo "#define CONFIG_ARCH_GTA01_v3" > $CFGINC
+ echo "GTA01_BIG_RAM=n" > $CFGTMP
++ echo "CONFIG_USB_DFU_REVISION=0x0130" > $CFGTMP
+ ;;
+
+ gta01bv2_config)
+ echo "#define CONFIG_ARCH_GTA01B_v2" > $CFGINC
+ echo "GTA01_BIG_RAM=y" > $CFGTMP
++ echo "CONFIG_USB_DFU_REVISION=0x0220" > $CFGTMP
+ ;;
+
+ gta01bv3_config)
+ echo "#define CONFIG_ARCH_GTA01B_v3" > $CFGINC
+ echo "GTA01_BIG_RAM=y" > $CFGTMP
++ echo "CONFIG_USB_DFU_REVISION=0x0230" > $CFGTMP
+ ;;
+
+ gta01bv4_config)
+ echo "#define CONFIG_ARCH_GTA01B_v4" > $CFGINC
+ echo "GTA01_BIG_RAM=y" > $CFGTMP
++ echo "CONFIG_USB_DFU_REVISION=0x0240" > $CFGTMP
+ ;;
+
+ *)
+ echo "$0:: Unrecognised config - using GTA01Bv4 config"
+ echo "#define CONFIG_ARCH_GTA01B_v4" > $CFGINC
+ echo "GTA01_BIG_RAM=y" > $CFGTMP
++ echo "CONFIG_USB_DFU_REVISION=0x0240" > $CFGTMP
+ ;;
+
+ esac
+Index: u-boot/board/neo1973/gta01/config.mk
+===================================================================
+--- u-boot.orig/board/neo1973/gta01/config.mk
++++ u-boot/board/neo1973/gta01/config.mk
+@@ -24,6 +24,9 @@
+ #
+ # download area is 3200'0000 or 3300'0000
+
++CONFIG_USB_DFU_VENDOR=0x1457
++CONFIG_USB_DFU_PRODUCT=0x5119
++
+ sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
+
+ ifeq ($(GTA01_BIG_RAM),y)