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/*
* Copyright (C) 2010 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/stat.h>
#include <stdint.h>
#include <fcntl.h>
#include <string.h>
#include "usb.h"
void throttled_usb_write(void *usb, void *data, int sz)
{
while (sz > 0) {
usb_write(usb, data, 64);
data += 64;
sz -= 64;
}
}
int usb_boot(usb_handle * usb,
void *data1, unsigned sz1, void *data2, unsigned sz2)
{
if (data1) {
uint32_t msg_boot = 0xF0030002;
uint32_t msg_getid = 0xF0030003;
uint32_t msg_size = sz1;
uint8_t id[81];
int i;
#define OFF_CHIP 0x04
#define OFF_ID 0x0F
#define OFF_MPKH 0x26
memset(id, 0xee, 81);
fprintf(stderr, "reading ASIC ID\n");
usb_write(usb, &msg_getid, sizeof(msg_getid));
usb_read(usb, id, sizeof(id));
fprintf(stderr, "CHIP: %02x%02x\n", id[OFF_CHIP + 0],
id[OFF_CHIP + 1]);
fprintf(stderr, "IDEN: ");
for (i = 0; i < 20; i++)
fprintf(stderr, "%02x", id[OFF_ID + i]);
fprintf(stderr, "\nMPKH: ");
for (i = 0; i < 32; i++)
fprintf(stderr, "%02x", id[OFF_MPKH + i]);
fprintf(stderr, "\nCRC0: %02x%02x%02x%02x\n",
id[73], id[74], id[75], id[76]);
fprintf(stderr, "CRC1: %02x%02x%02x%02x\n",
id[77], id[78], id[79], id[80]);
fprintf(stderr, "sending u-boot-spl to target... %08x\n",
msg_boot);
sleep(1);
usb_write(usb, &msg_boot, sizeof(msg_boot));
sleep(1);
usb_write(usb, &msg_size, sizeof(msg_size));
sleep(1);
usb_write(usb, data1, sz1);
}
if (data2) {
char command[64];
char response[64];
long rsz;
sleep(1);
fprintf(stderr, "sending download command to u-boot-spl\n");
sprintf(command, "download:%08x", sz2);
usb_write(usb, command, sizeof(command));
fprintf(stderr, "waiting for \"DATA\" response to download: command\n");
usb_read(usb, response, sizeof(response));
if (strncmp("DATA", response, 4)) {
fprintf(stderr, "unexpected response\"%s\"\n", response);
return -1;
}
rsz = strtol(response + 4, 0, 16);
if (rsz != sz2) {
fprintf(stderr, "bad returned size\"%s\"\n", response);
return -1;
}
sleep(1);
fprintf(stderr, "transferring %d bytes of data\n", sz2);
throttled_usb_write(usb, data2, sz2);
fprintf(stderr, "write finished, waiting for \"OKAY\"\n");
usb_read(usb, response, sizeof(response));
if (strncmp("OKAY", response, 4) == 0) {
fprintf(stderr, "data transfer successful\n");
} else {
fprintf(stderr, "unexpected response to data xfer\"%s\"\n", response);
return -1;
}
}
return 0;
}
int match_omap4_bootloader(usb_ifc_info * ifc)
{
if (ifc->dev_vendor != 0x0451)
return -1;
if ((ifc->dev_product != 0xd010) && (ifc->dev_product != 0xd00f))
return -1;
return 0;
}
/*
* same as above for now
*/
int match_u_boot_spl(usb_ifc_info * ifc)
{
if (ifc->dev_vendor != 0x0525)
return -1;
if (ifc->dev_product != 0xFFFF)
return -1;
return 0;
}
void *load_file(const char *file, unsigned *sz)
{
void *data;
struct stat s;
int fd;
fd = open(file, O_RDONLY);
if (fd < 0)
return 0;
if (fstat(fd, &s))
goto fail;
data = malloc(s.st_size);
if (!data)
goto fail;
if (read(fd, data, s.st_size) != s.st_size) {
free(data);
goto fail;
}
close(fd);
*sz = s.st_size;
return data;
fail:
close(fd);
return 0;
}
extern unsigned char aboot_data[];
extern unsigned aboot_size;
int main(int argc, char **argv)
{
void *data[2];
unsigned sz[2];
usb_handle *usb;
int i;
int once = 1;
if (argc < 3) {
fprintf(stderr, "usage: usbboot u-boot-spl.bin u-boot.bin\n");
return 0;
}
for (i = 0; i < 2; i++) {
data[i] = load_file(argv[i + 1], sz + i);
if (data[i] == 0) {
fprintf(stderr, "cannot load '%s'\n", argv[i + 1]);
return -1;
}
}
/*
* First talk to the omap4 mask rom boot loader
*/
for (;;) {
usb = usb_open(match_omap4_bootloader);
if (usb) {
usb_boot(usb, data[0], sz[0], 0, 0);
break;
}
if (once) {
once = 0;
fprintf(stderr, "waiting for OMAP44xx device...\n");
}
usleep(2500);
}
usb_close(usb);
/*
* Second talk to u-boot-spl usb boot loader
* this is a new connection since there is no
* hand off between the mask rom usb code and
* u-boot-spl
*/
once = 1;
for (;;) {
usb = usb_open(match_u_boot_spl);
if (usb)
return usb_boot(usb, 0, 0, data[1], sz[1]);
if (once) {
once = 0;
fprintf(stderr, "waiting for U-Boot-spl bootloader...\n");
}
usleep(2500);
}
return -1;
}
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