232 lines
6.7 KiB
C
232 lines
6.7 KiB
C
//
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// Copyright (C) 2013-2014 Michael Geszkiewicz
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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//
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#include <sys/stat.h>
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#include <stddef.h>
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#include <string.h>
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#include <stdio.h>
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#include <errno.h>
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#include "types.h"
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#include "common.h"
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#include "eeprom.h"
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#include "bitfile.h"
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#include "lbp.h"
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#include "hostmot2.h"
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#include "usb_boards.h"
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extern board_t boards[MAX_BOARDS];
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extern int boards_count;
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static u8 file_buffer[SECTOR_SIZE];
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int usb_read(llio_t *self, u32 addr, void *buffer, int size) {
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(void)self;
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while (size > 0) {
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lbp_read(addr & 0xFFFF, buffer);
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addr += 4;
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buffer += 4;
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size -= 4;
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}
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return 0;
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}
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int usb_write(llio_t *self, u32 addr, void *buffer, int size) {
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(void)self;
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while (size > 0) {
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lbp_write(addr & 0xFFFF, buffer);
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addr += 4;
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buffer += 4;
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size -= 4;
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}
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return 0;
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}
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static int usb_program_fpga(llio_t *self, char *bitfile_name) {
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board_t *board = self->board;
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int bindex, bytesread;
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char part_name[32];
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struct stat file_stat;
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FILE *fp;
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u8 cmd = '0';
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if (stat(bitfile_name, &file_stat) != 0) {
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printf("Can't find file %s\n", bitfile_name);
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return -1;
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}
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fp = fopen(bitfile_name, "rb");
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if (fp == NULL) {
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printf("Can't open file %s: %s\n", bitfile_name, strerror(errno));
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return -1;
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}
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if (print_bitfile_header(fp, (char*) &part_name, board->llio.verbose) == -1) {
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fclose(fp);
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return -1;
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}
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printf("Programming FPGA...\n");
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printf(" |");
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fflush(stdout);
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lbp_send_checked(&cmd, 1);
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lbp_send_checked(&cmd, 1);
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lbp_send_checked(&cmd, 1);
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lbp_send_checked(&cmd, 1);
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// program the FPGA
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while (!feof(fp)) {
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bytesread = fread(&file_buffer, 1, 8192, fp);
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bindex = 0;
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while (bindex < bytesread) {
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file_buffer[bindex] = bitfile_reverse_bits(file_buffer[bindex]);
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bindex++;
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}
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lbp_send_checked(&file_buffer, bytesread);
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printf("W");
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fflush(stdout);
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}
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printf("\n");
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fclose(fp);
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return 0;
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}
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static int usb_board_open(board_t *board) {
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(void)board;
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return 0;
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}
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static int usb_board_close(board_t *board) {
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(void)board;
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return 0;
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}
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int usb_boards_init(board_access_t *access) {
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lbp_init(access);
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return 0;
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}
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void usb_boards_cleanup(board_access_t *access) {
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(void)access;
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lbp_release();
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}
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void usb_boards_scan(board_access_t *access) {
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board_t *board = &boards[boards_count];
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u8 cmd, data;
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char dev_name[4];
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board_init_struct(board);
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data = lbp_read_ctrl(LBP_CMD_READ_COOKIE);
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if (data == LBP_COOKIE) {
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dev_name[0] = lbp_read_ctrl(LBP_CMD_READ_DEV_NAME0);
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dev_name[1] = lbp_read_ctrl(LBP_CMD_READ_DEV_NAME1);
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dev_name[2] = lbp_read_ctrl(LBP_CMD_READ_DEV_NAME2);
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dev_name[3] = lbp_read_ctrl(LBP_CMD_READ_DEV_NAME3);
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if (strncmp(dev_name, "7I64", 4) == 0) {
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board->type = BOARD_USB;
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strcpy(board->dev_addr, access->dev_addr);
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strncpy(board->llio.board_name, dev_name, 4);
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board->llio.verbose = access->verbose;
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boards_count++;
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} else if (strncmp(dev_name, "7I43", 4) == 0) { // found 7i43 with HOSTMOT2
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board->type = BOARD_USB;
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board->mode = BOARD_MODE_FPGA;
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strcpy(board->dev_addr, access->dev_addr);
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strcpy(board->llio.board_name, "7I43");
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board->llio.num_ioport_connectors = 2;
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board->llio.pins_per_connector = 24;
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board->llio.ioport_connector_name[0] = "P3";
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board->llio.ioport_connector_name[1] = "P4";
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board->llio.num_leds = 8;
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board->llio.read = &usb_read;
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board->llio.write = &usb_write;
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board->open = &usb_board_open;
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board->close = &usb_board_close;
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board->print_info = &usb_print_info;
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board->llio.verbose = access->verbose;
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u32 cookie;
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lbp_read(HM2_COOKIE_REG, &cookie);
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if (cookie == HM2_COOKIE) {
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u32 fpga_size;
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u32 addr;
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lbp_read(HM2_IDROM_ADDR, &addr);
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lbp_read((addr & 0xFFFF) + offsetof(hm2_idrom_desc_t, fpga_size), &fpga_size);
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if (fpga_size == 400) {
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board->llio.fpga_part_number = "3s400tq144";
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} else {
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board->llio.fpga_part_number = "3s200tq144";
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}
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}
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boards_count++;
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}
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return;
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}
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cmd = '1';
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lbp_send_checked(&cmd, 1);
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lbp_recv_checked(&data, 1);
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if ((data & 0x01) == 0) { // found 7i43 without flashed FPGA
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board->type = BOARD_USB;
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board->mode = BOARD_MODE_CPLD;
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strcpy(board->dev_addr, access->dev_addr);
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strcpy(board->llio.board_name, "7I43");
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board->llio.num_ioport_connectors = 2;
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board->llio.pins_per_connector = 24;
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board->llio.ioport_connector_name[0] = "P3";
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board->llio.ioport_connector_name[1] = "P4";
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cmd = '0';
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lbp_send_checked(&cmd, 1);
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lbp_recv_checked(&data, 1);
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if (data & 0x01)
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board->llio.fpga_part_number = "3s400tq144";
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else
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board->llio.fpga_part_number = "3s200tq144";
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board->llio.num_leds = 8;
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board->llio.program_fpga = &usb_program_fpga;
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board->llio.verbose = access->verbose;
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board->open = &usb_board_open;
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board->close = &usb_board_close;
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board->print_info = &usb_print_info;
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boards_count++;
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return;
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}
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}
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void usb_boards_release(board_access_t *access) {
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(void)access;
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lbp_release();
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}
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void usb_print_info(board_t *board) {
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printf("\nUSB device %s at %s\n", board->llio.board_name, board->dev_addr);
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if (board->llio.verbose == 1) {
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if (board->mode == BOARD_MODE_CPLD) {
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printf(" controlled by CPLD\n");
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lbp_print_info();
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} else if (board->mode == BOARD_MODE_FPGA) {
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printf(" controlled by FPGA\n");
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}
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}
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}
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