Import my open source tool for Cold Flashing: cold-flasher-rx51.c
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Pali Rohár committed
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/*
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cold-flasher-rx51.c - Cold flasher for Nokia RX51
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Copyright (C) 2011 Pali Rohár <pali.rohar@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* compile: gcc cold-flasher-rx51.c -o cold-flasher-rx51 -W -Wall -O2 -lusb */
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <errno.h>
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#include <usb.h>
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#define READ_DEV 0x81
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#define WRITE_DEV 0x01
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#define READ_TIMEOUT 500
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#define WRITE_TIMEOUT 3000
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#define USB_VENDOR 0x0421
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#define USB_PRODUCT 0x0106
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static uint32_t tab[256];
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static void crc32_gentab(void) {
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int i, j;
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uint32_t crc;
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uint32_t poly = 0xEDB88320L;
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for ( i = 0; i < 256; i++) {
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crc = i;
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for ( j = 8; j > 0; j-- ) {
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if (crc & 1)
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crc = (crc >> 1) ^ poly;
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else
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crc >>= 1;
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}
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tab[i] = crc;
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}
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}
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static uint32_t crc32(unsigned char * bytes, size_t size, uint32_t crc) {
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static int gen = 0;
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uint32_t i;
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if ( ! gen ) {
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crc32_gentab();
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gen = 1;
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}
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for ( i = 0; i < size; ++i )
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crc = (crc >> 8) ^ tab[(crc ^ bytes[i]) & 0xff];
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return crc;
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}
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/* Omap download message - same as in pusb.c */
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static const uint8_t omap_download_msg[4] = { 0x02, 0x00, 0x03, 0xF0 };
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/* Structure of X-Loader message */
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struct xloader_msg {
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uint8_t type[4]; /* 4 bytes - type of message */
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uint8_t size[4]; /* 4 bytes - size of file */
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uint8_t crc1[4]; /* 4 bytes - crc32 of file */
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uint8_t crc2[4]; /* 4 bytes - crc32 of first 12 bytes of message */
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};
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#define XLOADER_MSG_TYPE_PING 0x6301326E
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#define XLOADER_MSG_TYPE_SEND 0x6302326E
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struct xloader_msg xloader_msg_create(uint32_t type, uint32_t size, FILE * file) {
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struct xloader_msg msg;
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uint8_t buffer[1024];
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uint32_t crc = 0;
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memcpy(msg.type, &type, 4);
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memcpy(msg.size, &size, 4);
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while ( file && ( size = fread(buffer, 1, sizeof(buffer), file) ) > 0 )
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crc = crc32(buffer, size, crc);
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if ( file )
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rewind(file);
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memcpy(msg.crc1, &crc, 4);
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crc = crc32((unsigned char *)&msg, 12, 0);
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memcpy(msg.crc2, &crc, 4);
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return msg;
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}
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static struct usb_device * search_device(struct usb_device *dev, int level) {
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int i;
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struct usb_device * ret = NULL;
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if ( ! dev )
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return NULL;
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if ( ( dev->descriptor.idVendor == USB_VENDOR ) && ( dev->descriptor.idProduct == USB_PRODUCT ) )
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return dev;
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for ( i = 0; i < dev->num_children; i++ ) {
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ret = search_device(dev->children[i], level + 1);
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if ( ret )
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break;
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}
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return ret;
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}
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static usb_dev_handle * find_device(void) {
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struct usb_bus * bus;
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struct usb_device * ret = NULL;
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usb_init();
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usb_find_busses();
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printf("Waiting for USB device\n");
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while ( ! ret ) {
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usb_find_devices();
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for ( bus = usb_get_busses(); bus; bus = bus->next ) {
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if ( bus->root_dev )
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ret = search_device(bus->root_dev, 0);
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else {
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struct usb_device *dev;
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for ( dev = bus->devices; dev; dev = dev->next ) {
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ret = search_device(dev, 0);
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if ( ret )
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break;
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}
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}
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if ( ret )
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break;
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}
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}
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if ( ret )
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return usb_open(ret);
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else
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return NULL;
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}
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static int read_asic(usb_dev_handle * udev) {
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uint8_t asic_buffer[127];
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int asic_size = 69;
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int i;
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int ret;
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printf("Waiting for ASIC ID...\n");
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ret = usb_bulk_read(udev, READ_DEV, (char *)asic_buffer, sizeof(asic_buffer), READ_TIMEOUT);
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if ( ret != asic_size ) {
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fprintf(stderr, "Invalid size of ASIC ID\n");
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return 0;
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}
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printf("Got ASIC ID:");
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for ( i = 0; i < asic_size; ++i )
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printf(" 0x%.2X", (unsigned int)asic_buffer[i]);
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printf("\n");
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return 1;
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}
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static int send_2nd(usb_dev_handle * udev, FILE * file) {
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uint8_t buffer[1024];
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uint32_t size32;
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size_t size;
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int ret;
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fseek(file, 0, SEEK_END);
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size32 = size = ftell(file);
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rewind(file);
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if ( size == 0 ) {
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fprintf(stderr, "2nd X-Loader image has zero size\n");
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return 0;
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}
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if ( size > UINT32_MAX ) {
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fprintf(stderr, "2nd X-Loader image is too big\n");
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return 0;
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}
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printf("Sending OMAP download message...\n");
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ret = usb_bulk_write(udev, WRITE_DEV, (char *)omap_download_msg, sizeof(omap_download_msg), WRITE_TIMEOUT);
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usleep(5000);
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if ( ret != sizeof(omap_download_msg) ) {
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fprintf(stderr, "Error while sending OMAP download message\n");
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return 0;
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}
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printf("Sending 2nd X-Loader image size...\n");
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ret = usb_bulk_write(udev, WRITE_DEV, (char *)&size32, sizeof(size32), WRITE_TIMEOUT);
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usleep(5000);
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if ( ret != sizeof(size32) ) {
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fprintf(stderr, "Error while sending 2nd X-Loader image size\n");
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return 0;
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}
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printf("Sending 2nd X-Loader image...\n");
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while ( ( ret = fread(buffer, 1, sizeof(buffer), file) ) > 0 ) {
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if ( usb_bulk_write(udev, WRITE_DEV, (char *)buffer, ret, WRITE_TIMEOUT) != ret ) {
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fprintf(stderr, "Error while sending 2nd X-Loader image\n");
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return 0;
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}
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}
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usleep(50000);
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return 1;
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}
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static int send_secondary(usb_dev_handle * udev, FILE * file) {
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struct xloader_msg init_msg;
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uint8_t buffer[1024];
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uint32_t size32;
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size_t size;
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int ret;
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fseek(file, 0, SEEK_END);
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size32 = size = ftell(file);
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rewind(file);
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if ( size == 0 ) {
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fprintf(stderr, "2nd Secondary image has zero size\n");
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return 0;
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}
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if ( size > UINT32_MAX ) {
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fprintf(stderr, "2nd Secondary image is too big\n");
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return 0;
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}
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init_msg = xloader_msg_create(XLOADER_MSG_TYPE_SEND, size32, file);
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printf("Sending X-Loader init message...\n");
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ret = usb_bulk_write(udev, WRITE_DEV, (char *)&init_msg, sizeof(init_msg), WRITE_TIMEOUT);
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usleep(5000);
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if ( ret != sizeof(init_msg) ) {
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fprintf(stderr, "Error while sending X-Loader init message\n");
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return 0;
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}
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printf("Waiting for X-Loader response...\n");
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ret = usb_bulk_read(udev, READ_DEV, (char *)&size32, sizeof(size32), READ_TIMEOUT); /* size32 - dummy value */
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if ( ret != sizeof(size32) ) {
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fprintf(stderr, "Error no response\n");
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return 0;
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}
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printf("Sending Secondary image...\n");
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while ( ( ret = fread(buffer, 1, sizeof(buffer), file) ) > 0 ) {
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if ( usb_bulk_write(udev, WRITE_DEV, (char *)buffer, ret, WRITE_TIMEOUT) != ret ) {
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fprintf(stderr, "Error while sending Secondary image\n");
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return 0;
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}
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}
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usleep(5000);
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printf("Waiting for X-Loader response...\n");
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ret = usb_bulk_read(udev, READ_DEV, (char *)&size32, sizeof(size32), READ_TIMEOUT); /* size32 - dummy value */
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if ( ret != sizeof(size32) ) {
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fprintf(stderr, "Error no response\n");
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return 0;
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}
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return 1;
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}
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static int ping_timeout(usb_dev_handle * udev) {
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int ret;
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int pong = 0;
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int try_ping = 10;
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while ( try_ping > 0 ) {
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struct xloader_msg ping_msg = xloader_msg_create(XLOADER_MSG_TYPE_PING, 0, NULL);
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int try_read = 4;
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printf("Sending X-Loader ping message\n");
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ret = usb_bulk_write(udev, WRITE_DEV, (char *)&ping_msg, sizeof(ping_msg), WRITE_TIMEOUT);
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if ( ret != sizeof(ping_msg) ) {
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fprintf(stderr, "Error while sending X-Loader ping message\n");
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return 0;
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}
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printf("Waiting for X-Loader pong response...\n");
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while ( try_read > 0 ) {
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uint32_t ping_read;
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ret = usb_bulk_read(udev, READ_DEV, (char *)&ping_read, sizeof(ping_read), READ_TIMEOUT);
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if ( ret == sizeof(ping_read) ) {
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printf("Got it\n");
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pong = 1;
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break;
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}
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usleep(5000);
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--try_read;
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}
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if ( pong )
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break;
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printf("Responce timeout\n");
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--try_ping;
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}
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if (pong)
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return 1;
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else
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return 0;
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}
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static void usage(char * arg) {
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printf("Usage: \n");
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printf("%s 2nd.bin secondary.bin\n", arg);
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printf(" * Send 2nd X-Loader (2nd.bin) via USB OMAP download command, boot it and wait\n");
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printf(" * Send Secondary NOLO (secondary.bin) via USB X-Loader commands and flash it into NAND\n");
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printf("%s -s secondary.bin\n", arg);
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printf(" * Expect that 2nd X-Loader is already booted, send only secondary.bin and flash it\n");
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}
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int main(int argc, char * argv[]) {
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FILE * file1 = NULL;
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FILE * file2 = NULL;
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int secondary = 0;
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usb_dev_handle * udev = NULL;
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if ( argc != 3 ) {
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usage(argv[0]);
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return 1;
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}
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if ( strncmp(argv[1], "-s", 2) == 0 )
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secondary = 1;
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if ( ! secondary ) {
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file1 = fopen(argv[1], "r");
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if ( ! file1 ) {
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fprintf(stderr, "Cannot open 2nd X-Loader file '%s': %s\n", argv[1], strerror(errno));
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return 1;
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}
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}
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file2 = fopen(argv[2], "r");
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if ( ! file2 ) {
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fprintf(stderr, "Cannot open Secondary file '%s': %s\n", argv[2], strerror(errno));
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return 1;
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}
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udev = find_device();
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if ( ! udev ) {
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fprintf(stderr, "Cannot find USB device '0x%x:0x%x'\n", USB_VENDOR, USB_PRODUCT);
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return 1;
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}
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printf("Found USB device\n");
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usb_set_configuration(udev, 1);
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usb_claim_interface(udev, 1);
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if ( ! secondary ) {
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if ( ! read_asic(udev) ) {
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fprintf(stderr, "Reading ASIC ID failed\n");
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return 1;
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}
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if ( ! send_2nd(udev, file1) ) {
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fprintf(stderr, "Sending 2nd X-Loader image failed\n");
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return 1;
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}
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if ( ! ping_timeout(udev) ) {
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fprintf(stderr, "Sending X-Loader ping failed\n");
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return 1;
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}
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}
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if ( ! send_secondary(udev, file2) ) {
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fprintf(stderr, "Sending Secondary image failed\n");
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return 1;
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}
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printf("Done\n");
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return 0;
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}
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Reference in new issue
Block a user