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Jz4740 USB tool:

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* Add preliminary support for NAND & ROM dump


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18341 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere 2008-08-24 21:18:22 +00:00
parent ced10d4db1
commit 606c798b9b
1 changed files with 120 additions and 0 deletions
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120
utils/jz4740_tools/jz4740_usbtool.c
View file

@ -511,6 +511,116 @@ int mimic_of(usb_dev_handle *dh, bool vx767)
return 0;
}
#define SEND_NAND_COMMAND(cs, cmd, option) SEND_COMMAND(VR_NAND_OPS, ((cmd&0xF)|((cs&0xFF)<<4)|((option&0xFF)<<12)) );
#define LENGTH 1024*1024*5
int nand_dump(usb_dev_handle *dh)
{
int err;
unsigned int n;
FILE *fd;
unsigned char* buffer;
fd = fopen("nand_dump.bin", "wb");
if (fd == NULL)
{
fprintf(stderr, "[ERR] Could not open nand_dump.bin\n");
return 0;
}
buffer = (unsigned char*)malloc(LENGTH);
if (buffer == NULL)
{
fprintf(stderr, "[ERR] Could not allocate memory.\n");
fclose(fd);
return 0;
}
memset(buffer, 0, LENGTH);
SEND_NAND_COMMAND(0, NAND_INIT, 0);
/*
fprintf(stderr, "[INFO] Querying NAND...\n");
SEND_NAND_COMMAND(0, NAND_QUERY, 0);
GET_DATA(buffer, 4);
printf("[INFO] %x %x %x %x\n", buffer[0], buffer[1], buffer[2], buffer[3]);
*/
SEND_COMMAND(VR_SET_DATA_ADDRESS, 0);
SEND_COMMAND(VR_SET_DATA_LENGTH, LENGTH);
SEND_NAND_COMMAND(0, NAND_READ, NO_OOB);
fprintf(stderr, "[INFO] Reading data...\n");
err = usb_bulk_read(dh, USB_ENDPOINT_IN | EP_BULK_TO, (char*)buffer, LENGTH, TOUT);
if (err != (size))
{
fprintf(stderr,"\n[ERR] Error writing data\n");
fprintf(stderr,"[ERR] Bulk write error (%d, %s)\n", err, strerror(-err));
return -1;
}
n = fwrite(buffer, 1, LENGTH, fd);
if (n != LENGTH)
{
fprintf(stderr, "[ERR] Short write.\n");
fclose(fd);
free(buffer);
return 0;
}
fclose(fd);
free(buffer);
return n;
}
#undef LENGTH
#define LENGTH 0x1000*16
int rom_dump(usb_dev_handle *dh)
{
int err;
unsigned int n;
FILE *fd;
unsigned char* buffer;
fd = fopen("rom_dump.bin", "wb");
if (fd == NULL)
{
fprintf(stderr, "[ERR] Could not open rom_dump.bin\n");
return 0;
}
buffer = (unsigned char*)malloc(LENGTH);
if (buffer == NULL)
{
fprintf(stderr, "[ERR] Could not allocate memory.\n");
fclose(fd);
return 0;
}
memset(buffer, 0, LENGTH);
SEND_COMMAND(VR_SET_DATA_ADDRESS, 0x1FC00000);
SEND_COMMAND(VR_SET_DATA_LENGTH, LENGTH);
fprintf(stderr, "[INFO] Reading data...\n");
err = usb_bulk_read(dh, USB_ENDPOINT_IN | EP_BULK_TO, (char*)buffer, LENGTH, TOUT);
if (err != (size))
{
fprintf(stderr,"\n[ERR] Error writing data\n");
fprintf(stderr,"[ERR] Bulk write error (%d, %s)\n", err, strerror(-err));
return -1;
}
n = fwrite(buffer, 1, LENGTH, fd);
if (n != LENGTH)
{
fprintf(stderr, "[ERR] Short write.\n");
fclose(fd);
free(buffer);
return 0;
}
fclose(fd);
free(buffer);
return n;
}
int jzconnect(int address, unsigned char* buf, int len, int func)
{
struct usb_bus *bus;
@ -605,6 +715,12 @@ found:
case 7:
err = mimic_of(dh, (func == 7));
break;
case 8:
err = nand_dump(dh);
break;
case 9:
err = rom_dump(dh);
break;
}
/* release claimed interface */
@ -631,6 +747,8 @@ void print_usage(void)
fprintf(stderr, "\t\t5 -> same as 1 but do a stage 2 boot\n");
fprintf(stderr, "\t\t6 -> mimic VX747 OF fw recovery\n");
fprintf(stderr, "\t\t7 -> mimic VX767 OF fw recovery\n");
fprintf(stderr, "\t\t8 -> do a NAND dump\n");
fprintf(stderr, "\t\t9 -> do a ROM dump\n");
#ifdef _WIN32
fprintf(stderr, "\nExample:\n\t usbtool.exe 1 fw.bin 0x80000000\n");
fprintf(stderr, "\t usbtool.exe 2 save.bin 0x81000000 1024\n");
@ -745,6 +863,8 @@ int main(int argc, char* argv[])
case 4:
case 6:
case 7:
case 8:
case 9:
return jzconnect(address, NULL, 0, cmd);
break;
default: