diff options
Diffstat (limited to 'scripts/mxs-usb-loader.c')
| -rw-r--r-- | scripts/mxs-usb-loader.c | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/scripts/mxs-usb-loader.c b/scripts/mxs-usb-loader.c deleted file mode 100644 index 8529274d6e..0000000000 --- a/scripts/mxs-usb-loader.c +++ /dev/null @@ -1,236 +0,0 @@ -/*************************************************************************** - * __________ __ ___. - * Open \______ \ ____ ____ | | _\_ |__ _______ ___ - * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / - * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < - * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ - * \/ \/ \/ \/ \/ - * $Id$ - * - * Copyright (C) 2010 Amaury Pouly - * - * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY - * KIND, either express or implied. - * - ****************************************************************************/ -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <libusb.h> -#include <stdint.h> - -#ifndef MIN -#define MIN(a,b) ((a) < (b) ? (a) : (b)) -#endif - -void put32le(uint8_t * buf, uint32_t i) -{ - *buf++ = i & 0xff; - *buf++ = (i >> 8) & 0xff; - *buf++ = (i >> 16) & 0xff; - *buf++ = (i >> 24) & 0xff; -} - -void put32be(uint8_t * buf, uint32_t i) -{ - *buf++ = (i >> 24) & 0xff; - *buf++ = (i >> 16) & 0xff; - *buf++ = (i >> 8) & 0xff; - *buf++ = i & 0xff; -} - -enum dev_type_t { - HID_DEVICE, - RECOVERY_DEVICE, -}; - -struct dev_info_t { - uint16_t vendor_id; - uint16_t product_id; - unsigned xfer_size; - enum dev_type_t dev_type; -}; - -struct dev_info_t g_dev_info[] = { - {0x066f, 0x3780, 1024, HID_DEVICE}, /* i.MX233 / STMP3780 */ - {0x066f, 0x3770, 48, HID_DEVICE}, /* STMP3770 */ - {0x15A2, 0x004F, 1024, HID_DEVICE}, /* i.MX28 */ - {0x066f, 0x3600, 4096, RECOVERY_DEVICE}, /* STMP36xx */ -}; - -int send_hid(libusb_device_handle * dev, int xfer_size, uint8_t * data, - int size, int nr_xfers) -{ - int i; - - libusb_detach_kernel_driver(dev, 0); - libusb_detach_kernel_driver(dev, 4); - - libusb_claim_interface(dev, 0); - libusb_claim_interface(dev, 4); - - uint8_t *xfer_buf = malloc(1 + xfer_size); - uint8_t *p = xfer_buf; - - *p++ = 0x01; /* Report id */ - - /* Command block wrapper */ - *p++ = 'B'; /* Signature */ - *p++ = 'L'; - *p++ = 'T'; - *p++ = 'C'; - put32le(p, 0x1); /* Tag */ - p += 4; - put32le(p, size); /* Payload size */ - p += 4; - *p++ = 0; /* Flags (host to device) */ - p += 2; /* Reserved */ - - /* Command descriptor block */ - *p++ = 0x02; /* Firmware download */ - put32be(p, size); /* Download size */ - - int ret = libusb_control_transfer(dev, - LIBUSB_REQUEST_TYPE_CLASS | - LIBUSB_RECIPIENT_INTERFACE, 0x9, - 0x201, 0, - xfer_buf, xfer_size + 1, 1000); - if (ret < 0) { - printf("transfer error at init step\n"); - return 1; - } - - for (i = 0; i < nr_xfers; i++) { - xfer_buf[0] = 0x2; - memcpy(&xfer_buf[1], &data[i * xfer_size], xfer_size); - - ret = libusb_control_transfer(dev, - LIBUSB_REQUEST_TYPE_CLASS | - LIBUSB_RECIPIENT_INTERFACE, 0x9, - 0x202, 0, xfer_buf, xfer_size + 1, - 1000); - if (ret < 0) { - printf("transfer error at send step %d\n", i); - return 1; - } - } - - int recv_size; - ret = - libusb_interrupt_transfer(dev, 0x81, xfer_buf, xfer_size, - &recv_size, 1000); - if (ret < 0) { - printf("transfer error at final stage\n"); - return 1; - } - - return ret; -} - -int send_recovery(libusb_device_handle * dev, int xfer_size, uint8_t * data, - int size, int nr_xfers) -{ - (void)nr_xfers; - // there should be no kernel driver attached but in doubt... - libusb_detach_kernel_driver(dev, 0); - libusb_claim_interface(dev, 0); - - int sent = 0; - while (sent < size) { - int xfered; - int len = MIN(size - sent, xfer_size); - int ret = - libusb_bulk_transfer(dev, 1, data + sent, len, &xfered, - 1000); - if (ret < 0) { - printf("transfer error at send offset %d\n", sent); - return 1; - } - if (xfered == 0) { - printf("empty transfer at step offset %d\n", sent); - return 2; - } - sent += xfered; - } - return 0; -} - -int main(int argc, char **argv) -{ - if (argc != 3) { - printf("usage: %s <xfer size> <file>\n", argv[0]); - printf - ("If <xfer size> is set to zero, the preferred one is used.\n"); - return 1; - } - - char *end; - int xfer_size = strtol(argv[1], &end, 0); - if (end != (argv[1] + strlen(argv[1]))) { - printf("Invalid transfer size !\n"); - return 1; - } - - libusb_device_handle *dev; - - libusb_init(NULL); - - libusb_set_debug(NULL, 3); - - unsigned i; - for (i = 0; i < sizeof(g_dev_info) / sizeof(g_dev_info[0]); i++) { - dev = libusb_open_device_with_vid_pid(NULL, - g_dev_info[i].vendor_id, - g_dev_info[i].product_id); - if (dev == NULL) - continue; - if (xfer_size == 0) - xfer_size = g_dev_info[i].xfer_size; - printf("Found a match for %04x:%04x\n", - g_dev_info[i].vendor_id, g_dev_info[i].product_id); - break; - } - if (dev == NULL) { - printf("Cannot open device\n"); - return 1; - } - - FILE *f = fopen(argv[2], "r"); - if (f == NULL) { - perror("cannot open file"); - return 1; - } - fseek(f, 0, SEEK_END); - size_t size = ftell(f); - fseek(f, 0, SEEK_SET); - - printf("Transfer size: %d\n", xfer_size); - int nr_xfers = (size + xfer_size - 1) / xfer_size; - uint8_t *file_buf = malloc(nr_xfers * xfer_size); - memset(file_buf, 0xff, nr_xfers * xfer_size); // pad with 0xff - if (fread(file_buf, size, 1, f) != 1) { - perror("read error"); - fclose(f); - return 1; - } - fclose(f); - - switch (g_dev_info[i].dev_type) { - case HID_DEVICE: - send_hid(dev, xfer_size, file_buf, size, nr_xfers); - break; - case RECOVERY_DEVICE: - send_recovery(dev, xfer_size, file_buf, size, nr_xfers); - break; - default: - printf("unknown device type\n"); - break; - } - - return 0; -} |