mirror of
git://projects.qi-hardware.com/xburst-tools.git
synced 2024-11-26 16:21:54 +02:00
282 lines
8.2 KiB
C
282 lines
8.2 KiB
C
/*
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* "Ingenic flash tool" - flash the Ingenic CPU via USB
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*
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* (C) Copyright 2009
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* Author: Marek Lindner <lindner_marek@yahoo.de>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 3 as published by the Free Software Foundation.
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*
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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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*
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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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA
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*/
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#include "ingenic_usb.h"
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#include "usb_boot_defines.h"
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#include <usb.h>
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#include <stdio.h>
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#include <string.h>
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extern unsigned int total_size;
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static int get_ingenic_device(struct ingenic_dev *ingenic_dev)
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{
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struct usb_bus *usb_busses, *usb_bus;
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struct usb_device *usb_dev;
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int count = 0;
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usb_busses = usb_get_busses();
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for (usb_bus = usb_busses; usb_bus != NULL; usb_bus = usb_bus->next) {
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for (usb_dev = usb_bus->devices; usb_dev != NULL; usb_dev = usb_dev->next) {
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if ((usb_dev->descriptor.idVendor == VENDOR_ID) &&
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(usb_dev->descriptor.idProduct == PRODUCT_ID)) {
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ingenic_dev->usb_dev = usb_dev;
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count++;
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}
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}
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}
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return count;
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}
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static int get_ingenic_interface(struct ingenic_dev *ingenic_dev)
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{
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struct usb_config_descriptor *usb_config_desc;
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struct usb_interface_descriptor *usb_if_desc;
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struct usb_interface *usb_if;
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int config_index, if_index, alt_index;
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for (config_index = 0; config_index < ingenic_dev->usb_dev->descriptor.bNumConfigurations; config_index++) {
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usb_config_desc = &ingenic_dev->usb_dev->config[config_index];
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if (!usb_config_desc)
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return 0;
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for (if_index = 0; if_index < usb_config_desc->bNumInterfaces; if_index++) {
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usb_if = &usb_config_desc->interface[if_index];
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if (!usb_if)
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return 0;
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for (alt_index = 0; alt_index < usb_if->num_altsetting; alt_index++) {
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usb_if_desc = &usb_if->altsetting[alt_index];
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if (!usb_if_desc)
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return 0;
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if ((usb_if_desc->bInterfaceClass == 0xff) &&
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(usb_if_desc->bInterfaceSubClass == 0)) {
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ingenic_dev->interface = usb_if_desc->bInterfaceNumber;
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return 1;
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}
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}
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}
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}
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return 0;
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}
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int usb_ingenic_init(struct ingenic_dev *ingenic_dev)
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{
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int num_ingenic, status = -1;
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usb_init();
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/* usb_set_debug(255); */
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usb_find_busses();
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usb_find_devices();
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num_ingenic = get_ingenic_device(ingenic_dev);
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if (num_ingenic == 0) {
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fprintf(stderr, "Error - no Ingenic device found\n");
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goto out;
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}
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if (num_ingenic > 1) {
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fprintf(stderr, "Error - too many Ingenic devices found: %i\n", num_ingenic);
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goto out;
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}
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ingenic_dev->usb_handle = usb_open(ingenic_dev->usb_dev);
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if (!ingenic_dev->usb_handle) {
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fprintf(stderr, "Error - can't open Ingenic device: %s\n", usb_strerror());
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goto out;
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}
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if (usb_set_configuration(ingenic_dev->usb_handle, 1) < 0) {
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fprintf(stderr, "Error - can't set Ingenic configuration: %s\n", usb_strerror());
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goto out;
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}
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if (get_ingenic_interface(ingenic_dev) < 1) {
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fprintf(stderr, "Error - can't find Ingenic interface\n");
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goto out;
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}
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if (usb_claim_interface(ingenic_dev->usb_handle, ingenic_dev->interface) < 0) {
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fprintf(stderr, "Error - can't claim Ingenic interface: %s\n", usb_strerror());
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goto out;
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}
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status = 1;
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out:
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return status;
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}
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int usb_get_ingenic_cpu(struct ingenic_dev *ingenic_dev)
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{
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int status;
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status = usb_control_msg(ingenic_dev->usb_handle,
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/* bmRequestType */ USB_ENDPOINT_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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/* bRequest */ VR_GET_CPU_INFO,
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/* wValue */ 0,
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/* wIndex */ 0,
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/* Data */ ingenic_dev->cpu_info_buff,
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/* wLength */ 8,
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USB_TIMEOUT);
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if (status != sizeof(ingenic_dev->cpu_info_buff) - 1 ) {
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fprintf(stderr, "Error - can't retrieve Ingenic CPU information: %i\n", status);
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return status;
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}
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ingenic_dev->cpu_info_buff[8] = '\0';
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printf("\n CPU data: %02x, %02x, %02x, %02x, %02x, %02x, %02x, %02x : %s\n",
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ingenic_dev->cpu_info_buff[0], ingenic_dev->cpu_info_buff[1],
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ingenic_dev->cpu_info_buff[2], ingenic_dev->cpu_info_buff[3],
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ingenic_dev->cpu_info_buff[4], ingenic_dev->cpu_info_buff[5],
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ingenic_dev->cpu_info_buff[6], ingenic_dev->cpu_info_buff[7],
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ingenic_dev->cpu_info_buff);
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if (!strcmp(ingenic_dev->cpu_info_buff,"JZ4740V1")) return 1;
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if (!strcmp(ingenic_dev->cpu_info_buff,"JZ4750V1")) return 2;
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if (!strcmp(ingenic_dev->cpu_info_buff,"Boot4740")) return 3;
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if (!strcmp(ingenic_dev->cpu_info_buff,"Boot4750")) return 4;
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return 0;
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}
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int usb_ingenic_flush_cache(struct ingenic_dev *ingenic_dev)
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{
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int status;
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status = usb_control_msg(ingenic_dev->usb_handle,
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/* bmRequestType */ USB_ENDPOINT_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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/* bRequest */ VR_FLUSH_CACHES,
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/* wValue */ 0,
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/* wIndex */ 0,
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/* Data */ 0,
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/* wLength */ 0,
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USB_TIMEOUT);
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if (status != 0) {
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fprintf(stderr, "Error - can't flush cache: %i\n", status);
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return status;
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}
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return 1;
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}
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int usb_ingenic_upload(struct ingenic_dev *ingenic_dev, int stage)
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{
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int status;
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unsigned int stage2_addr;
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stage2_addr = total_size + 0x80000000;
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stage2_addr -= CODE_SIZE;
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int stage_addr = (stage == 1 ? 0x80002000 : stage2_addr);
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/* tell the device the RAM address to store the file */
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status = usb_control_msg(ingenic_dev->usb_handle,
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/* bmRequestType */ USB_ENDPOINT_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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/* bRequest */ VR_SET_DATA_ADDRESS,
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/* wValue */ STAGE_ADDR_MSB(stage_addr),
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/* wIndex */ STAGE_ADDR_LSB(stage_addr),
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/* Data */ 0,
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/* wLength */ 0,
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USB_TIMEOUT);
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if (status != 0) {
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fprintf(stderr, "Error - can't set the address on Ingenic device: %i\n", status);
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goto out;
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}
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#if 0
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/* tell the device the length of the file to be uploaded */
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status = usb_control_msg(ingenic_dev->usb_handle,
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/* bmRequestType */ USB_ENDPOINT_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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/* bRequest */ VR_SET_DATA_LENGTH,
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/* wValue */ 0,
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/* wIndex */ ingenic_dev->file_len,
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/* Data */ 0,
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/* wLength */ 0,
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USB_TIMEOUT);
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if (status != 0)
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fprintf(stderr, "Error - can't set data length on Ingenic device: %i\n", status);
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#endif
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printf("\n Download stage %d program and execute at 0x%08x ", stage, (stage_addr));
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/* upload the file */
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status = usb_bulk_write(ingenic_dev->usb_handle,
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/* endpoint */ INGENIC_OUT_ENDPOINT,
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/* bulk data */ ingenic_dev->file_buff,
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/* bulk data length */ ingenic_dev->file_len,
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USB_TIMEOUT);
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if (status < ingenic_dev->file_len) {
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fprintf(stderr, "Error - can't send bulk data to Ingenic CPU: %i\nfile length: %d\n", status, ingenic_dev->file_len);
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return -1;
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}
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if (stage == 2) {
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sleep(1);
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usb_get_ingenic_cpu(ingenic_dev);
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usb_ingenic_flush_cache(ingenic_dev);
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}
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/* tell the device to start the uploaded device */
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status = usb_control_msg(ingenic_dev->usb_handle,
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/* bmRequestType */ USB_ENDPOINT_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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/* bRequest */ (stage == 1 ? VR_PROGRAM_START1 : VR_PROGRAM_START2),
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/* wValue */ STAGE_ADDR_MSB(stage_addr),
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/* wIndex */ STAGE_ADDR_LSB(stage_addr),
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/* Data */ 0,
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/* wLength */ 0,
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USB_TIMEOUT);
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if (status != 0) {
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fprintf(stderr, "Error - can't start the uploaded binary on the Ingenic device: %i\n", status);
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goto out;
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}
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sleep(1);
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usb_get_ingenic_cpu(ingenic_dev);
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status = 1;
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out:
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return status;
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}
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void usb_ingenic_cleanup(struct ingenic_dev *ingenic_dev)
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{
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if ((ingenic_dev->usb_handle) && (ingenic_dev->interface))
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usb_release_interface(ingenic_dev->usb_handle, ingenic_dev->interface);
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if (ingenic_dev->usb_handle)
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usb_close(ingenic_dev->usb_handle);
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}
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