1e94b46f73
This old patch was marked as deferred. Bring it back to life, to continue towards the removal of common.h Move this out of the common header and include it only where needed. Signed-off-by: Simon Glass <sjg@chromium.org>
122 lines
2.6 KiB
C
122 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* dfu.c -- dfu command
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*
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* Copyright (C) 2015
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* Lukasz Majewski <l.majewski@majess.pl>
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*
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* Copyright (C) 2012 Samsung Electronics
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* authors: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
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* Lukasz Majewski <l.majewski@samsung.com>
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*/
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#include <common.h>
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#include <command.h>
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#include <log.h>
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#include <watchdog.h>
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#include <dfu.h>
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#include <console.h>
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#include <g_dnl.h>
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#include <usb.h>
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#include <net.h>
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#include <linux/printk.h>
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int run_usb_dnl_gadget(int usbctrl_index, char *usb_dnl_gadget)
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{
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bool dfu_reset = false;
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struct udevice *udc;
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int ret, i = 0;
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ret = udc_device_get_by_index(usbctrl_index, &udc);
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if (ret) {
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pr_err("udc_device_get_by_index failed\n");
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return CMD_RET_FAILURE;
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}
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g_dnl_clear_detach();
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ret = g_dnl_register(usb_dnl_gadget);
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if (ret) {
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pr_err("g_dnl_register failed");
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ret = CMD_RET_FAILURE;
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goto err_detach;
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}
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#ifdef CONFIG_DFU_TIMEOUT
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unsigned long start_time = get_timer(0);
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#endif
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while (1) {
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if (g_dnl_detach()) {
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/*
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* Check if USB bus reset is performed after detach,
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* which indicates that -R switch has been passed to
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* dfu-util. In this case reboot the device
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*/
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if (dfu_usb_get_reset()) {
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dfu_reset = true;
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goto exit;
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}
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/*
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* This extra number of dm_usb_gadget_handle_interrupts()
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* calls is necessary to assure correct transmission
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* completion with dfu-util
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*/
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if (++i == 10000)
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goto exit;
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}
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if (ctrlc())
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goto exit;
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if (dfu_get_defer_flush()) {
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/*
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* Call to dm_usb_gadget_handle_interrupts() is necessary
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* to act on ZLP OUT transaction from HOST PC after
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* transmitting the whole file.
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*
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* If this ZLP OUT packet is NAK'ed, the HOST libusb
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* function fails after timeout (by default it is set to
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* 5 seconds). In such situation the dfu-util program
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* exits with error message.
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*/
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dm_usb_gadget_handle_interrupts(udc);
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ret = dfu_flush(dfu_get_defer_flush(), NULL, 0, 0);
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dfu_set_defer_flush(NULL);
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if (ret) {
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pr_err("Deferred dfu_flush() failed!");
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goto exit;
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}
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}
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#ifdef CONFIG_DFU_TIMEOUT
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unsigned long wait_time = dfu_get_timeout();
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if (wait_time) {
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unsigned long current_time = get_timer(start_time);
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if (current_time > wait_time) {
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debug("Inactivity timeout, abort DFU\n");
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goto exit;
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}
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}
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#endif
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if (dfu_reinit_needed)
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goto exit;
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schedule();
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dm_usb_gadget_handle_interrupts(udc);
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}
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exit:
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g_dnl_unregister();
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err_detach:
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udc_device_put(udc);
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if (dfu_reset)
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do_reset(NULL, 0, 0, NULL);
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g_dnl_clear_detach();
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return ret;
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}
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