mirror of
https://github.com/trabucayre/openFPGALoader.git
synced 2026-08-30 09:59:03 +02:00
introduce anlogic JTAG adapter (tested with sipeed lichee tang
This commit is contained in:
Gwenhael Goavec-Merou
@@ -0,0 +1,294 @@
|
||||
/*
|
||||
* Copyright (C) 2020 Gwenhael Goavec-Merou <[email protected]>
|
||||
*
|
||||
* 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 <https://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <libusb.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
|
||||
#include <iostream>
|
||||
#include <map>
|
||||
#include <vector>
|
||||
#include <string>
|
||||
|
||||
#include "anlogicCable.hpp"
|
||||
#include "display.hpp"
|
||||
|
||||
using namespace std;
|
||||
|
||||
#define ANLOGICCABLE_VID 0x0547
|
||||
#define ANLOGICCABLE_PID 0x1002
|
||||
|
||||
#define ANLOGICCABLE_CONF_EP 0x08
|
||||
#define ANLOGICCABLE_WRITE_EP 0x06
|
||||
#define ANLOGICCABLE_READ_EP 0x82
|
||||
|
||||
#define ANLOGICCABLE_FREQ_CMD 0x01
|
||||
|
||||
enum analogicCablePin {
|
||||
ANLOGICCABLE_TCK_PIN = (1 << 2),
|
||||
ANLOGICCABLE_TDI_PIN = (1 << 1),
|
||||
ANLOGICCABLE_TMS_PIN = (1 << 0)
|
||||
};
|
||||
|
||||
enum analogicCableFreq {
|
||||
ANLOGICCABLE_FREQ_6M = 0,
|
||||
ANLOGICCABLE_FREQ_3M = 0x4,
|
||||
ANLOGICCABLE_FREQ_2M = 0x8,
|
||||
ANLOGICCABLE_FREQ_1M = 0x14,
|
||||
ANLOGICCABLE_FREQ_600K = 0x24,
|
||||
ANLOGICCABLE_FREQ_400K = 0x38,
|
||||
ANLOGICCABLE_FREQ_200K = 0x70,
|
||||
ANLOGICCABLE_FREQ_100K = 0xe8,
|
||||
ANLOGICCABLE_FREQ_90K = 0xff
|
||||
};
|
||||
|
||||
AnlogicCable::AnlogicCable(uint32_t clkHZ, bool verbose):
|
||||
_verbose(verbose),
|
||||
dev_handle(NULL), usb_ctx(NULL), _tdi(0), _tms(0)
|
||||
{
|
||||
int ret;
|
||||
|
||||
if (libusb_init(&usb_ctx) < 0) {
|
||||
cerr << "libusb init failed" << endl;
|
||||
throw std::exception();
|
||||
}
|
||||
|
||||
dev_handle = libusb_open_device_with_vid_pid(usb_ctx,
|
||||
ANLOGICCABLE_VID, ANLOGICCABLE_PID);
|
||||
if (!dev_handle) {
|
||||
cerr << "fails to open device" << endl;
|
||||
libusb_exit(usb_ctx);
|
||||
throw std::exception();
|
||||
}
|
||||
|
||||
ret = libusb_claim_interface(dev_handle, 0);
|
||||
if (ret) {
|
||||
cerr << "libusb error while claiming DirtyJTAG interface #0" << endl;
|
||||
libusb_close(dev_handle);
|
||||
libusb_exit(usb_ctx);
|
||||
throw std::exception();
|
||||
}
|
||||
|
||||
if (clkHZ > 6000000) {
|
||||
printInfo("Anlogic JTAG probe limited to 6MHz");
|
||||
clkHZ = 6000000;
|
||||
}
|
||||
if (setClkFreq(clkHZ) < 0) {
|
||||
cerr << "Fail to set frequency" << endl;
|
||||
throw std::exception();
|
||||
}
|
||||
}
|
||||
|
||||
AnlogicCable::~AnlogicCable()
|
||||
{
|
||||
if (dev_handle)
|
||||
libusb_close(dev_handle);
|
||||
if (usb_ctx)
|
||||
libusb_exit(usb_ctx);
|
||||
}
|
||||
|
||||
int AnlogicCable::setClkFreq(uint32_t clkHZ)
|
||||
{
|
||||
int actual_length;
|
||||
int ret;
|
||||
uint8_t buf[] = {ANLOGICCABLE_FREQ_CMD, 0};
|
||||
if (clkHZ >= 6000000)
|
||||
buf[1] = ANLOGICCABLE_FREQ_6M;
|
||||
else if (clkHZ >= 3000000)
|
||||
buf[1] = ANLOGICCABLE_FREQ_3M;
|
||||
else if (clkHZ >= 1000000)
|
||||
buf[1] = ANLOGICCABLE_FREQ_1M;
|
||||
else if (clkHZ >= 600000)
|
||||
buf[1] = ANLOGICCABLE_FREQ_600K;
|
||||
else if (clkHZ >= 400000)
|
||||
buf[1] = ANLOGICCABLE_FREQ_400K;
|
||||
else if (clkHZ >= 200000)
|
||||
buf[1] = ANLOGICCABLE_FREQ_200K;
|
||||
else if (clkHZ >= 100000)
|
||||
buf[1] = ANLOGICCABLE_FREQ_100K;
|
||||
else if (clkHZ >= 90000)
|
||||
buf[1] = ANLOGICCABLE_FREQ_90K;
|
||||
ret = libusb_bulk_transfer(dev_handle, ANLOGICCABLE_CONF_EP,
|
||||
buf, 2, &actual_length, 1000);
|
||||
if (ret < 0) {
|
||||
cerr << "setClkFreq: usb bulk write failed " << ret << endl;
|
||||
return -EXIT_FAILURE;
|
||||
}
|
||||
|
||||
return clkHZ;
|
||||
}
|
||||
|
||||
int AnlogicCable::writeTMS(uint8_t *tms, int len, bool flush_buffer)
|
||||
{
|
||||
(void) flush_buffer;
|
||||
|
||||
if (len == 0)
|
||||
return 0;
|
||||
|
||||
uint8_t buf[512];
|
||||
uint8_t mask = (ANLOGICCABLE_TCK_PIN << 4);
|
||||
|
||||
int full_len = len;
|
||||
uint8_t *tx_ptr = tms;
|
||||
|
||||
while (full_len > 0) {
|
||||
/* when len > buffer capacity -> limit to capacity
|
||||
* else use len
|
||||
*/
|
||||
int xfer_len = (full_len > 512) ? 512 : full_len;
|
||||
|
||||
for (int i = 0; i < xfer_len; i++) {
|
||||
buf[i] = mask;
|
||||
if (tx_ptr[i >> 3] & (1 << (i & 0x07)))
|
||||
buf[i] |= (ANLOGICCABLE_TMS_PIN |
|
||||
(ANLOGICCABLE_TMS_PIN << 4));
|
||||
}
|
||||
|
||||
/* when last burst, complite rest of buffer with
|
||||
* fixed state
|
||||
*/
|
||||
if (xfer_len < 512) {
|
||||
memset(&buf[xfer_len], buf[xfer_len-1] | ANLOGICCABLE_TCK_PIN,
|
||||
512-xfer_len);
|
||||
}
|
||||
|
||||
if (write(buf, NULL, 512, 0) < 0)
|
||||
return -EXIT_FAILURE;
|
||||
|
||||
full_len -= xfer_len;
|
||||
tx_ptr += xfer_len;
|
||||
}
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
int AnlogicCable::toggleClk(uint8_t tms, uint8_t tdi, uint32_t clk_len)
|
||||
{
|
||||
uint8_t buf[512];
|
||||
uint8_t mask = ((tms) ? ANLOGICCABLE_TMS_PIN : 0) |
|
||||
((tdi) ? ANLOGICCABLE_TDI_PIN : 0);
|
||||
mask |= (((mask & 0x0f) << 4) | ((ANLOGICCABLE_TCK_PIN << 4)));
|
||||
uint8_t last = mask | ANLOGICCABLE_TCK_PIN;
|
||||
|
||||
int len = clk_len;
|
||||
while (len > 0) {
|
||||
/* when len > buffer capacity -> limit to capacity
|
||||
* else use len
|
||||
*/
|
||||
int xfer_len = (len > 512) ? 512 : len;
|
||||
/* since value is always the same
|
||||
* fill xfer_len byte with the same value
|
||||
*/
|
||||
memset(buf, mask, xfer_len);
|
||||
/* when last burst, complite rest of buffer with
|
||||
* fixed state
|
||||
*/
|
||||
if (xfer_len < 512)
|
||||
memset(&buf[xfer_len], last, 512-xfer_len);
|
||||
|
||||
if (write(buf, NULL, 512, 0) < 0)
|
||||
return -EXIT_FAILURE;
|
||||
|
||||
len -= xfer_len;
|
||||
}
|
||||
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
|
||||
int AnlogicCable::flush()
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
int AnlogicCable::writeTDI(uint8_t *tx, uint8_t *rx, uint32_t len, bool end)
|
||||
{
|
||||
uint8_t buf[512];
|
||||
uint8_t mask = (ANLOGICCABLE_TCK_PIN << 4);
|
||||
|
||||
int full_len = len;
|
||||
uint8_t *tx_ptr = tx;
|
||||
uint8_t *rx_ptr = rx;
|
||||
|
||||
while (full_len > 0) {
|
||||
/* when len > buffer capacity -> limit to capacity
|
||||
* else use len
|
||||
*/
|
||||
int xfer_len = (full_len > 512) ? 512 : full_len;
|
||||
|
||||
if (!tx) {
|
||||
memset(buf, mask, xfer_len);
|
||||
} else {
|
||||
for (int i = 0; i < xfer_len; i++) {
|
||||
buf[i] = mask;
|
||||
if (tx_ptr[i >> 3] & (1 << (i & 0x07)))
|
||||
buf[i] |= (ANLOGICCABLE_TDI_PIN |
|
||||
(ANLOGICCABLE_TDI_PIN << 4));
|
||||
}
|
||||
tx_ptr += (xfer_len >> 3);
|
||||
}
|
||||
|
||||
/* when last burst, complite rest of buffer with
|
||||
* fixed state
|
||||
*/
|
||||
if (xfer_len < 512) {
|
||||
if (end) { /* set TMS high with the last bit */
|
||||
buf[xfer_len-1] |= ((ANLOGICCABLE_TMS_PIN << 4) |
|
||||
(ANLOGICCABLE_TMS_PIN));
|
||||
}
|
||||
memset(&buf[xfer_len], buf[xfer_len-1] | ANLOGICCABLE_TCK_PIN,
|
||||
512-xfer_len);
|
||||
}
|
||||
|
||||
if (write(buf, (rx)?rx_ptr:NULL, 512, xfer_len) < 0)
|
||||
return -EXIT_FAILURE;
|
||||
|
||||
if (rx) {
|
||||
rx_ptr += (xfer_len >> 3);
|
||||
}
|
||||
|
||||
full_len -= xfer_len;
|
||||
}
|
||||
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
|
||||
int AnlogicCable::write(uint8_t *in_buf, uint8_t *out_buf, int len, int rd_len)
|
||||
{
|
||||
int actual_length;
|
||||
int ret = libusb_bulk_transfer(dev_handle, ANLOGICCABLE_WRITE_EP,
|
||||
in_buf, len, &actual_length, 1000);
|
||||
if (ret < 0) {
|
||||
cerr << "write: usb bulk write failed " << ret << endl;
|
||||
return -EXIT_FAILURE;
|
||||
}
|
||||
/* all write must be followed by a read */
|
||||
ret = libusb_bulk_transfer(dev_handle, ANLOGICCABLE_READ_EP,
|
||||
in_buf, len, &actual_length, 1000);
|
||||
if (ret < 0) {
|
||||
cerr << "write: usb bulk read failed " << ret << endl;
|
||||
return -EXIT_FAILURE;
|
||||
}
|
||||
|
||||
if (out_buf) {
|
||||
for (int i = 0; i < rd_len; i++) {
|
||||
out_buf[i >> 3] >>= 1;
|
||||
if ((in_buf[i] >> 4) & 0x01)
|
||||
out_buf[i >> 3] |= 0x80;
|
||||
}
|
||||
}
|
||||
return len;
|
||||
}
|
||||
Reference in New Issue
Block a user