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libftdi: List some know cables and allow to specify cable and serial

This commit is contained in:
Uwe Bonnes 2012-11-04 13:23:12 +01:00
parent ce059cc8ed
commit 6157754201
2 changed files with 128 additions and 10 deletions
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8
src/platforms/libftdi/jtagtap.c
View File

@ -55,14 +55,6 @@ int jtagtap_init(void)
assert(ftdic != NULL);
if((err = ftdi_set_bitmode(ftdic, 0xAB, BITMODE_MPSSE)) != 0) {
fprintf(stderr, "ftdi_set_bitmode: %d: %s\n",
err, ftdi_get_error_string(ftdic));
abort();
}
assert(ftdi_write_data(ftdic, "\x86\x00\x00\x80\xA8\xAB", 6) == 6);
/* Go to JTAG mode for SWJ-DP */
for(int i = 0; i <= 50; i++) jtagtap_next(1, 0); /* Reset SW-DP */
jtagtap_tms_seq(0xE73C, 16); /* SWD to JTAG sequence */

130
src/platforms/libftdi/platform.c
View File

@ -32,9 +32,125 @@ struct ftdi_context *ftdic;
static uint8_t outbuf[BUF_SIZE];
static uint16_t bufptr = 0;
static struct cable_desc_s {
int vendor;
int product;
int interface;
uint8_t dbus_data;
uint8_t dbus_ddr;
uint8_t cbus_data;
uint8_t cbus_ddr;
char *description;
char * name;
} cable_desc[] = {
{
.vendor = 0x0403,
.product = 0x6010,
.interface = INTERFACE_A,
.dbus_data = 0x08,
.dbus_ddr = 0x1B,
.description = "FTDIJTAG",
.name = "ftdijtag"
},
{
.vendor = 0x15b1,
.product = 0x0003,
.interface = INTERFACE_A,
.dbus_data = 0x08,
.dbus_ddr = 0x1B,
.name = "olimex"
},
{
.vendor = 0x0403,
.product = 0xbdc8,
.interface = INTERFACE_A,
.dbus_data = 0x08,
.dbus_ddr = 0x1B,
.name = "turtelizer"
},
{
.vendor = 0x0403,
.product = 0xbdc8,
.interface = INTERFACE_A,
.dbus_data = 0x08,
.dbus_ddr = 0x1B,
.name = "jtaghs1"
},
{
.vendor = 0x0403,
.product = 0xbdc8,
.interface = INTERFACE_A,
.dbus_data = 0xA8,
.dbus_ddr = 0xAB,
.name = "ftdi"
},
{
.vendor = 0x0403,
.product = 0x6014,
.interface = INTERFACE_A,
.dbus_data = 0x08,
.dbus_ddr = 0x0B,
.name = "ft232h"
},
{
.vendor = 0x0403,
.product = 0x6011,
.interface = INTERFACE_A,
.dbus_data = 0x08,
.dbus_ddr = 0x0B,
.name = "ft4232h"
},
{
.vendor = 0x15ba,
.product = 0x002b,
.interface = INTERFACE_A,
.dbus_data = 0x08,
.dbus_ddr = 0x1B,
.cbus_data = 0x00,
.cbus_ddr = 0x08,
.name = "arm-usb-ocd-h"
},
};
int platform_init(int argc, char **argv)
{
int err;
int c;
int index = 0;
char *serial = NULL;
char * cablename = "ftdi";
uint8_t ftdi_init[9] = {TCK_DIVISOR, 0x01, 0x00, SET_BITS_LOW, 0,0,
SET_BITS_HIGH, 0,0};
while((c = getopt(argc, argv, "c:s:")) != -1) {
switch(c) {
case 'c':
cablename = optarg;
break;
case 's':
serial = optarg;
break;
}
}
for(index = 0; index < sizeof(cable_desc)/sizeof(cable_desc[0]);
index++)
if (strcmp(cable_desc[index].name, cablename) == 0)
break;
if (index == sizeof(cable_desc)/sizeof(cable_desc[0])){
fprintf(stderr, "No cable matching %s found\n",cablename);
return -1;
}
if (cable_desc[index].dbus_data)
ftdi_init[4]= cable_desc[index].dbus_data;
if (cable_desc[index].dbus_ddr)
ftdi_init[5]= cable_desc[index].dbus_ddr;
if (cable_desc[index].cbus_data)
ftdi_init[7]= cable_desc[index].cbus_data;
if(cable_desc[index].cbus_ddr)
ftdi_init[8]= cable_desc[index].cbus_ddr;
if(ftdic) {
ftdi_usb_close(ftdic);
@ -46,12 +162,14 @@ int platform_init(int argc, char **argv)
ftdi_get_error_string(ftdic));
abort();
}
if((err = ftdi_set_interface(ftdic, INTERFACE_A)) != 0) {
if((err = ftdi_set_interface(ftdic, cable_desc[index].interface)) != 0) {
fprintf(stderr, "ftdi_set_interface: %d: %s\n",
err, ftdi_get_error_string(ftdic));
abort();
}
if((err = ftdi_usb_open(ftdic, FT2232_VID, FT2232_PID)) != 0) {
if((err = ftdi_usb_open_desc(
ftdic, cable_desc[index].vendor, cable_desc[index].product,
cable_desc[index].description, serial)) != 0) {
fprintf(stderr, "unable to open ftdi device: %d (%s)\n",
err, ftdi_get_error_string(ftdic));
abort();
@ -78,6 +196,14 @@ int platform_init(int argc, char **argv)
abort();
}
if((err = ftdi_set_bitmode(ftdic, 0xAB, BITMODE_MPSSE)) != 0) {
fprintf(stderr, "ftdi_set_bitmode: %d: %s\n",
err, ftdi_get_error_string(ftdic));
abort();
}
assert(ftdi_write_data(ftdic, ftdi_init, 9) == 9);
assert(gdb_if_init() == 0);
jtag_scan(NULL);