qi-hardware/xburst-tools
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xburst-tools/usbboot/src/ingenic_usb.c
Lars-Peter Clausen 4868294851 Fix error check.
2010-02-19 04:48:21 +01:00

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/*
* Copyright(C) 2009 Qi Hardware Inc.,
* Authors: Xiangfu Liu <xiangfu@qi-hardware.com>
* Marek Lindner <lindner_marek@yahoo.de>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <string.h>
#include <usb.h>
#include "usb_boot_defines.h"
#include "ingenic_usb.h"
extern unsigned int total_size;
static int get_ingenic_device(struct ingenic_dev *ingenic_dev)
{
struct usb_bus *usb_busses, *usb_bus;
struct usb_device *usb_dev;
int count = 0;
usb_busses = usb_get_busses();
for (usb_bus = usb_busses; usb_bus != NULL; usb_bus = usb_bus->next) {
for (usb_dev = usb_bus->devices; usb_dev != NULL;
usb_dev = usb_dev->next) {
if ((usb_dev->descriptor.idVendor == VENDOR_ID) &&
(usb_dev->descriptor.idProduct == PRODUCT_ID)) {
ingenic_dev->usb_dev = usb_dev;
count++;
}
}
}
return count;
}
static int get_ingenic_interface(struct ingenic_dev *ingenic_dev)
{
struct usb_config_descriptor *usb_config_desc;
struct usb_interface_descriptor *usb_if_desc;
struct usb_interface *usb_if;
int config_index, if_index, alt_index;
for (config_index = 0;
config_index < ingenic_dev->usb_dev->descriptor.bNumConfigurations;
config_index++) {
usb_config_desc = &ingenic_dev->usb_dev->config[config_index];
if (!usb_config_desc)
return 0;
for (if_index = 0; if_index < usb_config_desc->bNumInterfaces;
if_index++) {
usb_if = &usb_config_desc->interface[if_index];
if (!usb_if)
return 0;
for (alt_index = 0; alt_index < usb_if->num_altsetting;
alt_index++) {
usb_if_desc = &usb_if->altsetting[alt_index];
if (!usb_if_desc)
return 0;
if ((usb_if_desc->bInterfaceClass == 0xff) &&
(usb_if_desc->bInterfaceSubClass == 0)) {
ingenic_dev->interface =
usb_if_desc->bInterfaceNumber;
return 1;
}
}
}
}
return 0;
}
int usb_ingenic_init(struct ingenic_dev *ingenic_dev)
{
int num_ingenic, status = -1;
memset(ingenic_dev, 0, sizeof(struct ingenic_dev));
usb_init();
/* usb_set_debug(255); */
usb_find_busses();
usb_find_devices();
num_ingenic = get_ingenic_device(ingenic_dev);
if (num_ingenic == 0) {
fprintf(stderr, "Error - no XBurst device found\n");
goto out;
}
if (num_ingenic > 1) {
fprintf(stderr, "Error - too many XBurst devices found: %i\n",
num_ingenic);
goto out;
}
ingenic_dev->usb_handle = usb_open(ingenic_dev->usb_dev);
if (!ingenic_dev->usb_handle) {
fprintf(stderr, "Error - can't open XBurst device: %s\n",
usb_strerror());
goto out;
}
if (get_ingenic_interface(ingenic_dev) < 1) {
fprintf(stderr, "Error - can't find XBurst interface\n");
goto out;
}
if (usb_claim_interface(ingenic_dev->usb_handle, ingenic_dev->interface)
< 0) {
fprintf(stderr, "Error - can't claim XBurst interface: %s\n",
usb_strerror());
goto out;
}
status = 1;
out:
return status;
}
int usb_get_ingenic_cpu(struct ingenic_dev *ingenic_dev)
{
int status;
memset(&ingenic_dev->cpu_info_buff, 0,
ARRAY_SIZE(ingenic_dev->cpu_info_buff));
sleep(1);
status = usb_control_msg(ingenic_dev->usb_handle,
/* bmRequestType */ USB_ENDPOINT_IN | USB_TYPE_VENDOR |USB_RECIP_DEVICE,
/* bRequest */ VR_GET_CPU_INFO,
/* wValue */ 0,
/* wIndex */ 0,
/* Data */ ingenic_dev->cpu_info_buff,
/* wLength */ 8,
USB_TIMEOUT);
if (status != sizeof(ingenic_dev->cpu_info_buff) - 1 ) {
fprintf(stderr, "Error - "
"can't retrieve XBurst CPU information: %i\n", status);
return status;
}
ingenic_dev->cpu_info_buff[8] = '\0';
printf(" CPU data: %s\n", ingenic_dev->cpu_info_buff);
if (!strcmp(ingenic_dev->cpu_info_buff,"JZ4740V1")) return JZ4740V1;
if (!strcmp(ingenic_dev->cpu_info_buff,"JZ4750V1")) return JZ4750V1;
if (!strcmp(ingenic_dev->cpu_info_buff,"Boot4740")) return BOOT4740;
if (!strcmp(ingenic_dev->cpu_info_buff,"Boot4750")) return BOOT4750;
return -1;
}
int usb_ingenic_flush_cache(struct ingenic_dev *ingenic_dev)
{
int status;
status = usb_control_msg(ingenic_dev->usb_handle,
/* bmRequestType */ USB_ENDPOINT_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
/* bRequest */ VR_FLUSH_CACHES,
/* wValue */ 0,
/* wIndex */ 0,
/* Data */ 0,
/* wLength */ 0,
USB_TIMEOUT);
if (status != 0) {
fprintf(stderr, "Error - can't flush cache: %i\n", status);
return status;
}
return 1;
}
int usb_send_data_length_to_ingenic(struct ingenic_dev *ingenic_dev, int len)
{
int status;
/* tell the device the length of the file to be uploaded */
status = usb_control_msg(ingenic_dev->usb_handle,
/* bmRequestType */ USB_ENDPOINT_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
/* bRequest */ VR_SET_DATA_LENGTH,
/* wValue */ STAGE_ADDR_MSB(len),
/* wIndex */ STAGE_ADDR_LSB(len),
/* Data */ 0,
/* wLength */ 0,
USB_TIMEOUT);
if (status != 0) {
fprintf(stderr, "Error - "
"can't set data length on Ingenic device: %i\n", status);
return -1;
}
return 1;
}
int usb_send_data_address_to_ingenic(struct ingenic_dev *ingenic_dev,
unsigned int stage_addr)
{
int status;
/* tell the device the RAM address to store the file */
status = usb_control_msg(ingenic_dev->usb_handle,
/* bmRequestType */ USB_ENDPOINT_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
/* bRequest */ VR_SET_DATA_ADDRESS,
/* wValue */ STAGE_ADDR_MSB(stage_addr),
/* wIndex */ STAGE_ADDR_LSB(stage_addr),
/* Data */ 0,
/* wLength */ 0,
USB_TIMEOUT);
if (status != 0) {
fprintf(stderr, "Error - "
"can't set the address on Ingenic device: %i\n", status);
return -1;
}
return 1;
}
int usb_send_data_to_ingenic(struct ingenic_dev *ingenic_dev)
{
int status;
status = usb_bulk_write(ingenic_dev->usb_handle,
/* endpoint */ INGENIC_OUT_ENDPOINT,
/* bulk data */ ingenic_dev->file_buff,
/* bulk data length */ ingenic_dev->file_len,
USB_TIMEOUT);
if (status < (int)ingenic_dev->file_len) {
fprintf(stderr, "Error - "
"can't send bulk data to Ingenic CPU: %i %s\n", status, usb_strerror());
return -1;
}
return 1;
}
int usb_read_data_from_ingenic(struct ingenic_dev *ingenic_dev,
unsigned char *buff, unsigned int len)
{
int status;
status = usb_bulk_read(ingenic_dev->usb_handle,
/* endpoint */ INGENIC_IN_ENDPOINT,
/* bulk data */ buff,
/* bulk data length */ len,
USB_TIMEOUT);
if (status < (int)len) {
fprintf(stderr, "Error - "
"can't read bulk data from Ingenic device:%i\n", status);
return -1;
}
return 1;
}
int usb_ingenic_start(struct ingenic_dev *ingenic_dev, int rqst, int stage_addr)
{
int status;
/* tell the device to start the uploaded device */
status = usb_control_msg(ingenic_dev->usb_handle,
/* bmRequestType */ USB_ENDPOINT_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
/* bRequest */ rqst,
/* wValue */ STAGE_ADDR_MSB(stage_addr),
/* wIndex */ STAGE_ADDR_LSB(stage_addr),
/* Data */ 0,
/* wLength */ 0,
USB_TIMEOUT);
if (status != 0) {
fprintf(stderr, "Error - can't start the uploaded binary "
"on the Ingenic device: %i\n", status);
return status;
}
return 1;
}
int usb_ingenic_upload(struct ingenic_dev *ingenic_dev, int stage)
{
int status;
unsigned int stage2_addr;
stage2_addr = total_size + 0x80000000;
stage2_addr -= CODE_SIZE;
unsigned int stage_addr = (stage == 1 ? 0x80002000 : stage2_addr);
int rqst = VR_PROGRAM_START1;
usb_send_data_address_to_ingenic(ingenic_dev, stage_addr);
printf(" Download stage %d program and execute at 0x%08x\n",
stage, (stage_addr));
usb_send_data_to_ingenic(ingenic_dev);
if (stage == 2) {
if (usb_get_ingenic_cpu(ingenic_dev) < 1)
return -1;
usb_ingenic_flush_cache(ingenic_dev);
rqst = VR_PROGRAM_START2;
}
usleep(100);
if (usb_ingenic_start(ingenic_dev, rqst, stage_addr) < 1)
return -1;
usleep(100);
if (usb_get_ingenic_cpu(ingenic_dev) < 1)
return -1;
return 1;
}
void usb_ingenic_cleanup(struct ingenic_dev *ingenic_dev)
{
if ((ingenic_dev->usb_handle) && (ingenic_dev->interface))
usb_release_interface(ingenic_dev->usb_handle,
ingenic_dev->interface);
if (ingenic_dev->usb_handle)
usb_close(ingenic_dev->usb_handle);
}
int usb_ingenic_nand_ops(struct ingenic_dev *ingenic_dev, int ops)
{
int status;
status = usb_control_msg(ingenic_dev->usb_handle,
/* bmRequestType */ USB_ENDPOINT_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
/* bRequest */ VR_NAND_OPS,
/* wValue */ ops & 0xffff,
/* wIndex */ 0,
/* Data */ 0,
/* wLength */ 0,
USB_TIMEOUT);
if (status != 0) {
fprintf(stderr, "Error - "
"can't set Ingenic device nand ops: %i\n", status);
return -1;
}
return 1;
}
int usb_ingenic_configration(struct ingenic_dev *ingenic_dev, int ops)
{
int status;
status = usb_control_msg(ingenic_dev->usb_handle,
/* bmRequestType */ USB_ENDPOINT_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
/* bRequest */ VR_CONFIGRATION,
/* wValue */ ops,
/* wIndex */ 0,
/* Data */ 0,
/* wLength */ 0,
USB_TIMEOUT);
if (status != 0) {
fprintf(stderr, "Error - "
"can't init Ingenic configration: %i\n", status);
return -1;
}
return 1;
}
int usb_ingenic_sdram_ops(struct ingenic_dev *ingenic_dev, int ops)
{
int status;
status = usb_control_msg(ingenic_dev->usb_handle,
/* bmRequestType */ USB_ENDPOINT_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
/* bRequest */ VR_SDRAM_OPS,
/* wValue */ ops,
/* wIndex */ 0,
/* Data */ 0,
/* wLength */ 0,
USB_TIMEOUT);
if (status != 0) {
fprintf(stderr, "Error - "
"Device can't load file to sdram: %i\n", status);
return -1;
}
return 1;
}
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