Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the flashrom project. |
| 3 | * |
| 4 | * Copyright (C) 2009 Paul Fox <pgf@laptop.org> |
Carl-Daniel Hailfinger | 5824fbf | 2010-05-21 23:09:42 +0000 | [diff] [blame] | 5 | * Copyright (C) 2009, 2010 Carl-Daniel Hailfinger |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; version 2 of the License. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | |
Carl-Daniel Hailfinger | 7112772 | 2010-05-31 15:27:27 +0000 | [diff] [blame] | 21 | #if CONFIG_FT2232_SPI == 1 |
Carl-Daniel Hailfinger | 3426ef6 | 2009-08-19 13:27:58 +0000 | [diff] [blame] | 22 | |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 23 | #include <stdio.h> |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 24 | #include <string.h> |
| 25 | #include <stdlib.h> |
Carl-Daniel Hailfinger | feea272 | 2009-07-01 00:02:23 +0000 | [diff] [blame] | 26 | #include <ctype.h> |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 27 | #include "flash.h" |
Sean Nelson | 14ba668 | 2010-02-26 05:48:29 +0000 | [diff] [blame] | 28 | #include "chipdrivers.h" |
Carl-Daniel Hailfinger | 5b997c3 | 2010-07-27 22:41:39 +0000 | [diff] [blame] | 29 | #include "programmer.h" |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 30 | #include "spi.h" |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 31 | #include <ftdi.h> |
| 32 | |
Uwe Hermann | 7014529 | 2010-07-29 19:57:55 +0000 | [diff] [blame] | 33 | #define FTDI_VID 0x0403 |
| 34 | #define FTDI_FT2232H_PID 0x6010 |
| 35 | #define FTDI_FT4232H_PID 0x6011 |
| 36 | #define AMONTEC_JTAGKEY_PID 0xCFF8 |
Jörg Fischer | 6529b9f | 2010-07-29 15:54:53 +0000 | [diff] [blame] | 37 | |
Alex Badea | caf2d42 | 2010-11-10 03:26:57 +0000 | [diff] [blame] | 38 | #define FIC_VID 0x1457 |
| 39 | #define OPENMOKO_DBGBOARD_PID 0x5118 |
| 40 | |
Pete Batard | c020706 | 2011-06-11 12:21:37 +0000 | [diff] [blame] | 41 | #define OLIMEX_VID 0x15BA |
| 42 | #define OLIMEX_ARM_OCD_PID 0x0003 |
| 43 | #define OLIMEX_ARM_TINY_PID 0x0004 |
| 44 | #define OLIMEX_ARM_OCD_H_PID 0x002B |
| 45 | #define OLIMEX_ARM_TINY_H_PID 0x002A |
| 46 | |
Jörg Fischer | 6529b9f | 2010-07-29 15:54:53 +0000 | [diff] [blame] | 47 | const struct usbdev_status devs_ft2232spi[] = { |
Uwe Hermann | 7014529 | 2010-07-29 19:57:55 +0000 | [diff] [blame] | 48 | {FTDI_VID, FTDI_FT2232H_PID, OK, "FTDI", "FT2232H"}, |
| 49 | {FTDI_VID, FTDI_FT4232H_PID, OK, "FTDI", "FT4232H"}, |
| 50 | {FTDI_VID, AMONTEC_JTAGKEY_PID, OK, "Amontec", "JTAGkey"}, |
Pete Batard | c020706 | 2011-06-11 12:21:37 +0000 | [diff] [blame] | 51 | {FIC_VID, OPENMOKO_DBGBOARD_PID, OK, "FIC", |
Alex Badea | caf2d42 | 2010-11-10 03:26:57 +0000 | [diff] [blame] | 52 | "OpenMoko Neo1973 Debug board (V2+)"}, |
Pete Batard | c020706 | 2011-06-11 12:21:37 +0000 | [diff] [blame] | 53 | {OLIMEX_VID, OLIMEX_ARM_OCD_PID, NT, "Olimex", "ARM-USB-OCD"}, |
| 54 | {OLIMEX_VID, OLIMEX_ARM_TINY_PID, OK, "Olimex", "ARM-USB-TINY"}, |
| 55 | {OLIMEX_VID, OLIMEX_ARM_OCD_H_PID, NT, "Olimex", "ARM-USB-OCD-H"}, |
| 56 | {OLIMEX_VID, OLIMEX_ARM_TINY_H_PID, NT, "Olimex", "ARM-USB-TINY-H"}, |
Uwe Hermann | 7014529 | 2010-07-29 19:57:55 +0000 | [diff] [blame] | 57 | {}, |
Jörg Fischer | 6529b9f | 2010-07-29 15:54:53 +0000 | [diff] [blame] | 58 | }; |
| 59 | |
Uwe Hermann | c67d037 | 2009-10-01 18:40:02 +0000 | [diff] [blame] | 60 | /* |
| 61 | * The 'H' chips can run internally at either 12MHz or 60MHz. |
| 62 | * The non-H chips can only run at 12MHz. |
| 63 | */ |
Alex Badea | 0b94d05 | 2010-11-10 03:18:41 +0000 | [diff] [blame] | 64 | static uint8_t clock_5x = 1; |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 65 | |
Uwe Hermann | c67d037 | 2009-10-01 18:40:02 +0000 | [diff] [blame] | 66 | /* |
| 67 | * In either case, the divisor is a simple integer clock divider. |
Alex Badea | 0b94d05 | 2010-11-10 03:18:41 +0000 | [diff] [blame] | 68 | * If clock_5x is set, this divisor divides 30MHz, else it divides 6MHz. |
Uwe Hermann | c67d037 | 2009-10-01 18:40:02 +0000 | [diff] [blame] | 69 | */ |
| 70 | #define DIVIDE_BY 3 /* e.g. '3' will give either 10MHz or 2MHz SPI clock. */ |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 71 | |
Uwe Hermann | c67d037 | 2009-10-01 18:40:02 +0000 | [diff] [blame] | 72 | #define BITMODE_BITBANG_NORMAL 1 |
| 73 | #define BITMODE_BITBANG_SPI 2 |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 74 | |
Jörg Fischer | 6529b9f | 2010-07-29 15:54:53 +0000 | [diff] [blame] | 75 | /* Set data bits low-byte command: |
| 76 | * value: 0x08 CS=high, DI=low, DO=low, SK=low |
| 77 | * dir: 0x0b CS=output, DI=input, DO=output, SK=output |
| 78 | * |
| 79 | * JTAGkey(2) needs to enable its output via Bit4 / GPIOL0 |
| 80 | * value: 0x18 OE=high, CS=high, DI=low, DO=low, SK=low |
| 81 | * dir: 0x1b OE=output, CS=output, DI=input, DO=output, SK=output |
Jörg Fischer | 6529b9f | 2010-07-29 15:54:53 +0000 | [diff] [blame] | 82 | */ |
Uwe Hermann | 7014529 | 2010-07-29 19:57:55 +0000 | [diff] [blame] | 83 | static uint8_t cs_bits = 0x08; |
| 84 | static uint8_t pindir = 0x0b; |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 85 | static struct ftdi_context ftdic_context; |
| 86 | |
Jörg Fischer | 6529b9f | 2010-07-29 15:54:53 +0000 | [diff] [blame] | 87 | static const char *get_ft2232_devicename(int ft2232_vid, int ft2232_type) |
| 88 | { |
| 89 | int i; |
Uwe Hermann | 7014529 | 2010-07-29 19:57:55 +0000 | [diff] [blame] | 90 | for (i = 0; devs_ft2232spi[i].vendor_name != NULL; i++) { |
Jörg Fischer | 6529b9f | 2010-07-29 15:54:53 +0000 | [diff] [blame] | 91 | if ((devs_ft2232spi[i].device_id == ft2232_type) |
| 92 | && (devs_ft2232spi[i].vendor_id == ft2232_vid)) |
| 93 | return devs_ft2232spi[i].device_name; |
| 94 | } |
| 95 | return "unknown device"; |
| 96 | } |
| 97 | |
| 98 | static const char *get_ft2232_vendorname(int ft2232_vid, int ft2232_type) |
| 99 | { |
| 100 | int i; |
Uwe Hermann | 7014529 | 2010-07-29 19:57:55 +0000 | [diff] [blame] | 101 | for (i = 0; devs_ft2232spi[i].vendor_name != NULL; i++) { |
| 102 | if ((devs_ft2232spi[i].device_id == ft2232_type) |
| 103 | && (devs_ft2232spi[i].vendor_id == ft2232_vid)) |
| 104 | return devs_ft2232spi[i].vendor_name; |
| 105 | } |
| 106 | return "unknown vendor"; |
Jörg Fischer | 6529b9f | 2010-07-29 15:54:53 +0000 | [diff] [blame] | 107 | } |
| 108 | |
Uwe Hermann | 7014529 | 2010-07-29 19:57:55 +0000 | [diff] [blame] | 109 | static int send_buf(struct ftdi_context *ftdic, const unsigned char *buf, |
| 110 | int size) |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 111 | { |
| 112 | int r; |
| 113 | r = ftdi_write_data(ftdic, (unsigned char *) buf, size); |
| 114 | if (r < 0) { |
Sean Nelson | 34b5db7 | 2010-01-10 01:08:37 +0000 | [diff] [blame] | 115 | msg_perr("ftdi_write_data: %d, %s\n", r, |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 116 | ftdi_get_error_string(ftdic)); |
| 117 | return 1; |
| 118 | } |
| 119 | return 0; |
| 120 | } |
| 121 | |
Uwe Hermann | 7014529 | 2010-07-29 19:57:55 +0000 | [diff] [blame] | 122 | static int get_buf(struct ftdi_context *ftdic, const unsigned char *buf, |
| 123 | int size) |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 124 | { |
| 125 | int r; |
Alex Badea | b9556e0 | 2010-11-10 03:10:41 +0000 | [diff] [blame] | 126 | |
| 127 | while (size > 0) { |
| 128 | r = ftdi_read_data(ftdic, (unsigned char *) buf, size); |
| 129 | if (r < 0) { |
| 130 | msg_perr("ftdi_read_data: %d, %s\n", r, |
| 131 | ftdi_get_error_string(ftdic)); |
| 132 | return 1; |
| 133 | } |
| 134 | buf += r; |
| 135 | size -= r; |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 136 | } |
| 137 | return 0; |
| 138 | } |
| 139 | |
Michael Karcher | b9dbe48 | 2011-05-11 17:07:07 +0000 | [diff] [blame] | 140 | static int ft2232_spi_send_command(unsigned int writecnt, unsigned int readcnt, |
| 141 | const unsigned char *writearr, unsigned char *readarr); |
| 142 | |
| 143 | static const struct spi_programmer spi_programmer_ft2232 = { |
| 144 | .type = SPI_CONTROLLER_FT2232, |
| 145 | .max_data_read = 64 * 1024, |
| 146 | .max_data_write = 256, |
| 147 | .command = ft2232_spi_send_command, |
| 148 | .multicommand = default_spi_send_multicommand, |
| 149 | .read = default_spi_read, |
| 150 | .write_256 = default_spi_write_256, |
| 151 | }; |
| 152 | |
Uwe Hermann | 274a20d | 2011-07-21 09:18:18 +0000 | [diff] [blame^] | 153 | /* Returns 0 upon success, a negative number upon errors. */ |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 154 | int ft2232_spi_init(void) |
| 155 | { |
Uwe Hermann | 274a20d | 2011-07-21 09:18:18 +0000 | [diff] [blame^] | 156 | int f, ret = 0; |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 157 | struct ftdi_context *ftdic = &ftdic_context; |
| 158 | unsigned char buf[512]; |
Jörg Fischer | 6529b9f | 2010-07-29 15:54:53 +0000 | [diff] [blame] | 159 | int ft2232_vid = FTDI_VID; |
| 160 | int ft2232_type = FTDI_FT4232H_PID; |
Carl-Daniel Hailfinger | feea272 | 2009-07-01 00:02:23 +0000 | [diff] [blame] | 161 | enum ftdi_interface ft2232_interface = INTERFACE_B; |
Carl-Daniel Hailfinger | 744132a | 2010-07-06 09:55:48 +0000 | [diff] [blame] | 162 | char *arg; |
Alex Badea | 0b94d05 | 2010-11-10 03:18:41 +0000 | [diff] [blame] | 163 | double mpsse_clk; |
Carl-Daniel Hailfinger | 744132a | 2010-07-06 09:55:48 +0000 | [diff] [blame] | 164 | |
Carl-Daniel Hailfinger | 2b6dcb3 | 2010-07-08 10:13:37 +0000 | [diff] [blame] | 165 | arg = extract_programmer_param("type"); |
Carl-Daniel Hailfinger | 744132a | 2010-07-06 09:55:48 +0000 | [diff] [blame] | 166 | if (arg) { |
| 167 | if (!strcasecmp(arg, "2232H")) |
Jörg Fischer | 6529b9f | 2010-07-29 15:54:53 +0000 | [diff] [blame] | 168 | ft2232_type = FTDI_FT2232H_PID; |
Carl-Daniel Hailfinger | 744132a | 2010-07-06 09:55:48 +0000 | [diff] [blame] | 169 | else if (!strcasecmp(arg, "4232H")) |
Jörg Fischer | 6529b9f | 2010-07-29 15:54:53 +0000 | [diff] [blame] | 170 | ft2232_type = FTDI_FT4232H_PID; |
| 171 | else if (!strcasecmp(arg, "jtagkey")) { |
| 172 | ft2232_type = AMONTEC_JTAGKEY_PID; |
| 173 | ft2232_interface = INTERFACE_A; |
| 174 | cs_bits = 0x18; |
Uwe Hermann | 7014529 | 2010-07-29 19:57:55 +0000 | [diff] [blame] | 175 | pindir = 0x1b; |
Alex Badea | caf2d42 | 2010-11-10 03:26:57 +0000 | [diff] [blame] | 176 | } else if (!strcasecmp(arg, "openmoko")) { |
| 177 | ft2232_vid = FIC_VID; |
| 178 | ft2232_type = OPENMOKO_DBGBOARD_PID; |
| 179 | ft2232_interface = INTERFACE_A; |
Pete Batard | c020706 | 2011-06-11 12:21:37 +0000 | [diff] [blame] | 180 | } else if (!strcasecmp(arg, "arm-usb-ocd")) { |
| 181 | ft2232_vid = OLIMEX_VID; |
| 182 | ft2232_type = OLIMEX_ARM_OCD_PID; |
| 183 | ft2232_interface = INTERFACE_A; |
| 184 | } else if (!strcasecmp(arg, "arm-usb-tiny")) { |
| 185 | ft2232_vid = OLIMEX_VID; |
| 186 | ft2232_type = OLIMEX_ARM_TINY_PID; |
| 187 | ft2232_interface = INTERFACE_A; |
| 188 | } else if (!strcasecmp(arg, "arm-usb-ocd-h")) { |
| 189 | ft2232_vid = OLIMEX_VID; |
| 190 | ft2232_type = OLIMEX_ARM_OCD_H_PID; |
| 191 | ft2232_interface = INTERFACE_A; |
| 192 | } else if (!strcasecmp(arg, "arm-usb-tiny-h")) { |
| 193 | ft2232_vid = OLIMEX_VID; |
| 194 | ft2232_type = OLIMEX_ARM_TINY_H_PID; |
| 195 | ft2232_interface = INTERFACE_A; |
Alex Badea | caf2d42 | 2010-11-10 03:26:57 +0000 | [diff] [blame] | 196 | } else { |
Carl-Daniel Hailfinger | 744132a | 2010-07-06 09:55:48 +0000 | [diff] [blame] | 197 | msg_perr("Error: Invalid device type specified.\n"); |
| 198 | free(arg); |
Uwe Hermann | 274a20d | 2011-07-21 09:18:18 +0000 | [diff] [blame^] | 199 | return -1; |
Carl-Daniel Hailfinger | 744132a | 2010-07-06 09:55:48 +0000 | [diff] [blame] | 200 | } |
| 201 | } |
| 202 | free(arg); |
Carl-Daniel Hailfinger | 2b6dcb3 | 2010-07-08 10:13:37 +0000 | [diff] [blame] | 203 | arg = extract_programmer_param("port"); |
Carl-Daniel Hailfinger | 744132a | 2010-07-06 09:55:48 +0000 | [diff] [blame] | 204 | if (arg) { |
Carl-Daniel Hailfinger | 9e3a6c4 | 2010-10-08 12:40:09 +0000 | [diff] [blame] | 205 | switch (toupper((unsigned char)*arg)) { |
Carl-Daniel Hailfinger | 744132a | 2010-07-06 09:55:48 +0000 | [diff] [blame] | 206 | case 'A': |
| 207 | ft2232_interface = INTERFACE_A; |
| 208 | break; |
| 209 | case 'B': |
| 210 | ft2232_interface = INTERFACE_B; |
| 211 | break; |
| 212 | default: |
| 213 | msg_perr("Error: Invalid port/interface specified.\n"); |
| 214 | free(arg); |
Uwe Hermann | 274a20d | 2011-07-21 09:18:18 +0000 | [diff] [blame^] | 215 | return -2; |
Carl-Daniel Hailfinger | 744132a | 2010-07-06 09:55:48 +0000 | [diff] [blame] | 216 | } |
| 217 | } |
| 218 | free(arg); |
Jörg Fischer | 6529b9f | 2010-07-29 15:54:53 +0000 | [diff] [blame] | 219 | msg_pdbg("Using device type %s %s ", |
Uwe Hermann | 7014529 | 2010-07-29 19:57:55 +0000 | [diff] [blame] | 220 | get_ft2232_vendorname(ft2232_vid, ft2232_type), |
| 221 | get_ft2232_devicename(ft2232_vid, ft2232_type)); |
Carl-Daniel Hailfinger | 744132a | 2010-07-06 09:55:48 +0000 | [diff] [blame] | 222 | msg_pdbg("interface %s\n", |
Uwe Hermann | 7014529 | 2010-07-29 19:57:55 +0000 | [diff] [blame] | 223 | (ft2232_interface == INTERFACE_A) ? "A" : "B"); |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 224 | |
| 225 | if (ftdi_init(ftdic) < 0) { |
Sean Nelson | 34b5db7 | 2010-01-10 01:08:37 +0000 | [diff] [blame] | 226 | msg_perr("ftdi_init failed\n"); |
Uwe Hermann | 274a20d | 2011-07-21 09:18:18 +0000 | [diff] [blame^] | 227 | return -3; |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 228 | } |
| 229 | |
Alex Badea | b1b459c | 2010-11-10 03:22:39 +0000 | [diff] [blame] | 230 | f = ftdi_usb_open(ftdic, ft2232_vid, ft2232_type); |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 231 | |
| 232 | if (f < 0 && f != -5) { |
Sean Nelson | 34b5db7 | 2010-01-10 01:08:37 +0000 | [diff] [blame] | 233 | msg_perr("Unable to open FTDI device: %d (%s)\n", f, |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 234 | ftdi_get_error_string(ftdic)); |
Uwe Hermann | 274a20d | 2011-07-21 09:18:18 +0000 | [diff] [blame^] | 235 | return -4; |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 236 | } |
| 237 | |
Alex Badea | 0b94d05 | 2010-11-10 03:18:41 +0000 | [diff] [blame] | 238 | if (ftdic->type != TYPE_2232H && ftdic->type != TYPE_4232H) { |
| 239 | msg_pdbg("FTDI chip type %d is not high-speed\n", |
| 240 | ftdic->type); |
| 241 | clock_5x = 0; |
| 242 | } |
| 243 | |
Carl-Daniel Hailfinger | feea272 | 2009-07-01 00:02:23 +0000 | [diff] [blame] | 244 | if (ftdi_set_interface(ftdic, ft2232_interface) < 0) { |
Sean Nelson | 34b5db7 | 2010-01-10 01:08:37 +0000 | [diff] [blame] | 245 | msg_perr("Unable to select interface: %s\n", |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 246 | ftdic->error_str); |
| 247 | } |
| 248 | |
| 249 | if (ftdi_usb_reset(ftdic) < 0) { |
Sean Nelson | 34b5db7 | 2010-01-10 01:08:37 +0000 | [diff] [blame] | 250 | msg_perr("Unable to reset FTDI device\n"); |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 251 | } |
| 252 | |
| 253 | if (ftdi_set_latency_timer(ftdic, 2) < 0) { |
Sean Nelson | 34b5db7 | 2010-01-10 01:08:37 +0000 | [diff] [blame] | 254 | msg_perr("Unable to set latency timer\n"); |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 255 | } |
| 256 | |
Uwe Hermann | 16ce40e | 2010-10-05 21:21:09 +0000 | [diff] [blame] | 257 | if (ftdi_write_data_set_chunksize(ftdic, 256)) { |
Sean Nelson | 34b5db7 | 2010-01-10 01:08:37 +0000 | [diff] [blame] | 258 | msg_perr("Unable to set chunk size\n"); |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 259 | } |
| 260 | |
Uwe Hermann | c67d037 | 2009-10-01 18:40:02 +0000 | [diff] [blame] | 261 | if (ftdi_set_bitmode(ftdic, 0x00, BITMODE_BITBANG_SPI) < 0) { |
Sean Nelson | 34b5db7 | 2010-01-10 01:08:37 +0000 | [diff] [blame] | 262 | msg_perr("Unable to set bitmode to SPI\n"); |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 263 | } |
| 264 | |
Alex Badea | 0b94d05 | 2010-11-10 03:18:41 +0000 | [diff] [blame] | 265 | if (clock_5x) { |
| 266 | msg_pdbg("Disable divide-by-5 front stage\n"); |
| 267 | buf[0] = 0x8a; /* Disable divide-by-5. */ |
Uwe Hermann | 274a20d | 2011-07-21 09:18:18 +0000 | [diff] [blame^] | 268 | if (send_buf(ftdic, buf, 1)) { |
| 269 | ret = -5; |
| 270 | goto ftdi_err; |
| 271 | } |
Alex Badea | 0b94d05 | 2010-11-10 03:18:41 +0000 | [diff] [blame] | 272 | mpsse_clk = 60.0; |
| 273 | } else { |
| 274 | mpsse_clk = 12.0; |
| 275 | } |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 276 | |
Sean Nelson | 34b5db7 | 2010-01-10 01:08:37 +0000 | [diff] [blame] | 277 | msg_pdbg("Set clock divisor\n"); |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 278 | buf[0] = 0x86; /* command "set divisor" */ |
| 279 | /* valueL/valueH are (desired_divisor - 1) */ |
Uwe Hermann | c67d037 | 2009-10-01 18:40:02 +0000 | [diff] [blame] | 280 | buf[1] = (DIVIDE_BY - 1) & 0xff; |
| 281 | buf[2] = ((DIVIDE_BY - 1) >> 8) & 0xff; |
Uwe Hermann | 274a20d | 2011-07-21 09:18:18 +0000 | [diff] [blame^] | 282 | if (send_buf(ftdic, buf, 3)) { |
| 283 | ret = -6; |
| 284 | goto ftdi_err; |
| 285 | } |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 286 | |
Alex Badea | 0b94d05 | 2010-11-10 03:18:41 +0000 | [diff] [blame] | 287 | msg_pdbg("MPSSE clock: %f MHz divisor: %d " |
| 288 | "SPI clock: %f MHz\n", |
| 289 | mpsse_clk, DIVIDE_BY, |
| 290 | (double)(mpsse_clk / (((DIVIDE_BY - 1) + 1) * 2))); |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 291 | |
Uwe Hermann | c67d037 | 2009-10-01 18:40:02 +0000 | [diff] [blame] | 292 | /* Disconnect TDI/DO to TDO/DI for loopback. */ |
Sean Nelson | 34b5db7 | 2010-01-10 01:08:37 +0000 | [diff] [blame] | 293 | msg_pdbg("No loopback of TDI/DO TDO/DI\n"); |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 294 | buf[0] = 0x85; |
Uwe Hermann | 274a20d | 2011-07-21 09:18:18 +0000 | [diff] [blame^] | 295 | if (send_buf(ftdic, buf, 1)) { |
| 296 | ret = -7; |
| 297 | goto ftdi_err; |
| 298 | } |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 299 | |
Sean Nelson | 34b5db7 | 2010-01-10 01:08:37 +0000 | [diff] [blame] | 300 | msg_pdbg("Set data bits\n"); |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 301 | buf[0] = SET_BITS_LOW; |
Jörg Fischer | 6529b9f | 2010-07-29 15:54:53 +0000 | [diff] [blame] | 302 | buf[1] = cs_bits; |
| 303 | buf[2] = pindir; |
Uwe Hermann | 274a20d | 2011-07-21 09:18:18 +0000 | [diff] [blame^] | 304 | if (send_buf(ftdic, buf, 3)) { |
| 305 | ret = -8; |
| 306 | goto ftdi_err; |
| 307 | } |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 308 | |
Sean Nelson | 34b5db7 | 2010-01-10 01:08:37 +0000 | [diff] [blame] | 309 | // msg_pdbg("\nft2232 chosen\n"); |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 310 | |
Michael Karcher | b9dbe48 | 2011-05-11 17:07:07 +0000 | [diff] [blame] | 311 | register_spi_programmer(&spi_programmer_ft2232); |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 312 | |
| 313 | return 0; |
Uwe Hermann | 274a20d | 2011-07-21 09:18:18 +0000 | [diff] [blame^] | 314 | |
| 315 | ftdi_err: |
| 316 | if ((f = ftdi_usb_close(ftdic)) < 0) { |
| 317 | msg_perr("Unable to close FTDI device: %d (%s)\n", f, |
| 318 | ftdi_get_error_string(ftdic)); |
| 319 | } |
| 320 | |
| 321 | return ret; |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 322 | } |
| 323 | |
Uwe Hermann | 274a20d | 2011-07-21 09:18:18 +0000 | [diff] [blame^] | 324 | /* Returns 0 upon success, a negative number upon errors. */ |
Michael Karcher | b9dbe48 | 2011-05-11 17:07:07 +0000 | [diff] [blame] | 325 | static int ft2232_spi_send_command(unsigned int writecnt, unsigned int readcnt, |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 326 | const unsigned char *writearr, unsigned char *readarr) |
| 327 | { |
| 328 | struct ftdi_context *ftdic = &ftdic_context; |
| 329 | static unsigned char *buf = NULL; |
Carl-Daniel Hailfinger | a2441ce | 2009-11-22 01:33:40 +0000 | [diff] [blame] | 330 | /* failed is special. We use bitwise ops, but it is essentially bool. */ |
| 331 | int i = 0, ret = 0, failed = 0; |
Carl-Daniel Hailfinger | b7e0145 | 2009-11-25 16:58:17 +0000 | [diff] [blame] | 332 | int bufsize; |
| 333 | static int oldbufsize = 0; |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 334 | |
Carl-Daniel Hailfinger | 142e30f | 2009-07-14 10:26:56 +0000 | [diff] [blame] | 335 | if (writecnt > 65536 || readcnt > 65536) |
| 336 | return SPI_INVALID_LENGTH; |
| 337 | |
Carl-Daniel Hailfinger | b7e0145 | 2009-11-25 16:58:17 +0000 | [diff] [blame] | 338 | /* buf is not used for the response from the chip. */ |
| 339 | bufsize = max(writecnt + 9, 260 + 9); |
| 340 | /* Never shrink. realloc() calls are expensive. */ |
| 341 | if (bufsize > oldbufsize) { |
| 342 | buf = realloc(buf, bufsize); |
| 343 | if (!buf) { |
Sean Nelson | 34b5db7 | 2010-01-10 01:08:37 +0000 | [diff] [blame] | 344 | msg_perr("Out of memory!\n"); |
Uwe Hermann | 274a20d | 2011-07-21 09:18:18 +0000 | [diff] [blame^] | 345 | /* TODO: What to do with buf? */ |
| 346 | return SPI_GENERIC_ERROR; |
Carl-Daniel Hailfinger | b7e0145 | 2009-11-25 16:58:17 +0000 | [diff] [blame] | 347 | } |
| 348 | oldbufsize = bufsize; |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 349 | } |
| 350 | |
Uwe Hermann | c67d037 | 2009-10-01 18:40:02 +0000 | [diff] [blame] | 351 | /* |
| 352 | * Minimize USB transfers by packing as many commands as possible |
| 353 | * together. If we're not expecting to read, we can assert CS#, write, |
| 354 | * and deassert CS# all in one shot. If reading, we do three separate |
Stefan Reinauer | ab044b2 | 2009-09-16 08:26:59 +0000 | [diff] [blame] | 355 | * operations. |
| 356 | */ |
Sean Nelson | 34b5db7 | 2010-01-10 01:08:37 +0000 | [diff] [blame] | 357 | msg_pspew("Assert CS#\n"); |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 358 | buf[i++] = SET_BITS_LOW; |
Jörg Fischer | 6529b9f | 2010-07-29 15:54:53 +0000 | [diff] [blame] | 359 | buf[i++] = 0 & ~cs_bits; /* assertive */ |
| 360 | buf[i++] = pindir; |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 361 | |
| 362 | if (writecnt) { |
| 363 | buf[i++] = 0x11; |
| 364 | buf[i++] = (writecnt - 1) & 0xff; |
| 365 | buf[i++] = ((writecnt - 1) >> 8) & 0xff; |
Uwe Hermann | c67d037 | 2009-10-01 18:40:02 +0000 | [diff] [blame] | 366 | memcpy(buf + i, writearr, writecnt); |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 367 | i += writecnt; |
| 368 | } |
| 369 | |
Uwe Hermann | c67d037 | 2009-10-01 18:40:02 +0000 | [diff] [blame] | 370 | /* |
| 371 | * Optionally terminate this batch of commands with a |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 372 | * read command, then do the fetch of the results. |
| 373 | */ |
| 374 | if (readcnt) { |
| 375 | buf[i++] = 0x20; |
| 376 | buf[i++] = (readcnt - 1) & 0xff; |
| 377 | buf[i++] = ((readcnt - 1) >> 8) & 0xff; |
| 378 | ret = send_buf(ftdic, buf, i); |
Carl-Daniel Hailfinger | a2441ce | 2009-11-22 01:33:40 +0000 | [diff] [blame] | 379 | failed = ret; |
| 380 | /* We can't abort here, we still have to deassert CS#. */ |
| 381 | if (ret) |
Sean Nelson | 34b5db7 | 2010-01-10 01:08:37 +0000 | [diff] [blame] | 382 | msg_perr("send_buf failed before read: %i\n", |
Carl-Daniel Hailfinger | a2441ce | 2009-11-22 01:33:40 +0000 | [diff] [blame] | 383 | ret); |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 384 | i = 0; |
Stefan Reinauer | ab044b2 | 2009-09-16 08:26:59 +0000 | [diff] [blame] | 385 | if (ret == 0) { |
Uwe Hermann | c67d037 | 2009-10-01 18:40:02 +0000 | [diff] [blame] | 386 | /* |
| 387 | * FIXME: This is unreliable. There's no guarantee that |
| 388 | * we read the response directly after sending the read |
| 389 | * command. We may be scheduled out etc. |
Stefan Reinauer | ab044b2 | 2009-09-16 08:26:59 +0000 | [diff] [blame] | 390 | */ |
| 391 | ret = get_buf(ftdic, readarr, readcnt); |
Carl-Daniel Hailfinger | a2441ce | 2009-11-22 01:33:40 +0000 | [diff] [blame] | 392 | failed |= ret; |
| 393 | /* We can't abort here either. */ |
| 394 | if (ret) |
Sean Nelson | 34b5db7 | 2010-01-10 01:08:37 +0000 | [diff] [blame] | 395 | msg_perr("get_buf failed: %i\n", ret); |
Stefan Reinauer | ab044b2 | 2009-09-16 08:26:59 +0000 | [diff] [blame] | 396 | } |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 397 | } |
| 398 | |
Sean Nelson | 34b5db7 | 2010-01-10 01:08:37 +0000 | [diff] [blame] | 399 | msg_pspew("De-assert CS#\n"); |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 400 | buf[i++] = SET_BITS_LOW; |
Jörg Fischer | 6529b9f | 2010-07-29 15:54:53 +0000 | [diff] [blame] | 401 | buf[i++] = cs_bits; |
| 402 | buf[i++] = pindir; |
Carl-Daniel Hailfinger | a2441ce | 2009-11-22 01:33:40 +0000 | [diff] [blame] | 403 | ret = send_buf(ftdic, buf, i); |
| 404 | failed |= ret; |
| 405 | if (ret) |
Sean Nelson | 34b5db7 | 2010-01-10 01:08:37 +0000 | [diff] [blame] | 406 | msg_perr("send_buf failed at end: %i\n", ret); |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 407 | |
Carl-Daniel Hailfinger | a2441ce | 2009-11-22 01:33:40 +0000 | [diff] [blame] | 408 | return failed ? -1 : 0; |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 409 | } |
| 410 | |
Jörg Fischer | 6529b9f | 2010-07-29 15:54:53 +0000 | [diff] [blame] | 411 | void print_supported_usbdevs(const struct usbdev_status *devs) |
| 412 | { |
Uwe Hermann | 7014529 | 2010-07-29 19:57:55 +0000 | [diff] [blame] | 413 | int i; |
Jörg Fischer | 6529b9f | 2010-07-29 15:54:53 +0000 | [diff] [blame] | 414 | |
Carl-Daniel Hailfinger | a73fb49 | 2010-10-06 23:48:34 +0000 | [diff] [blame] | 415 | msg_pinfo("USB devices:\n"); |
Uwe Hermann | 7014529 | 2010-07-29 19:57:55 +0000 | [diff] [blame] | 416 | for (i = 0; devs[i].vendor_name != NULL; i++) { |
| 417 | msg_pinfo("%s %s [%04x:%04x]%s\n", devs[i].vendor_name, |
| 418 | devs[i].device_name, devs[i].vendor_id, |
| 419 | devs[i].device_id, |
| 420 | (devs[i].status == NT) ? " (untested)" : ""); |
| 421 | } |
Jörg Fischer | 6529b9f | 2010-07-29 15:54:53 +0000 | [diff] [blame] | 422 | } |
| 423 | |
Paul Fox | 05dfbe6 | 2009-06-16 21:08:06 +0000 | [diff] [blame] | 424 | #endif |