/* * This file is part of the flashrom project. * * Copyright (C) 2010 Carl-Daniel Hailfinger * * 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; version 2 of the License. * * 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, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include "flash.h" #include "chipdrivers.h" #include "programmer.h" #include "spi.h" #define FIRMWARE_VERSION(x,y,z) ((x << 16) | (y << 8) | z) #define DEFAULT_TIMEOUT 3000 static usb_dev_handle *dediprog_handle; static int dediprog_firmwareversion; static int dediprog_endpoint; #define DEDI_SPI_CMD_PAGEWRITE 0x1 #define DEDI_SPI_CMD_AAIWRITE 0x4 #if 0 /* Might be useful for other pieces of code as well. */ static void print_hex(void *buf, size_t len) { size_t i; for (i = 0; i < len; i++) msg_pdbg(" %02x", ((uint8_t *)buf)[i]); } #endif /* Might be useful for other USB devices as well. static for now. */ /* device parameter allows user to specify one device of multiple installed */ static struct usb_device *get_device_by_vid_pid(uint16_t vid, uint16_t pid, unsigned int device) { struct usb_bus *bus; struct usb_device *dev; for (bus = usb_get_busses(); bus; bus = bus->next) for (dev = bus->devices; dev; dev = dev->next) if ((dev->descriptor.idVendor == vid) && (dev->descriptor.idProduct == pid)) { if (device == 0) return dev; device--; } return NULL; } //int usb_control_msg(usb_dev_handle *dev, int requesttype, int request, int value, int index, char *bytes, int size, int timeout); /* Set/clear LEDs on dediprog */ #define PASS_ON (0 << 0) #define PASS_OFF (1 << 0) #define BUSY_ON (0 << 1) #define BUSY_OFF (1 << 1) #define ERROR_ON (0 << 2) #define ERROR_OFF (1 << 2) static int current_led_status = -1; static int dediprog_set_leds(int leds) { int ret, target_leds; if (leds < 0 || leds > 7) leds = 0; // Bogus value, enable all LEDs if (leds == current_led_status) return 0; /* Older Dediprogs with 2.x.x and 3.x.x firmware only had * two LEDs, and they were reversed. So map them around if * we have an old device. On those devices the LEDs map as * follows: * bit 2 == 0: green light is on. * bit 0 == 0: red light is on. */ if (dediprog_firmwareversion < FIRMWARE_VERSION(5,0,0)) { target_leds = ((leds & ERROR_OFF) >> 2) | ((leds & PASS_OFF) << 2); } else { target_leds = leds; } ret = usb_control_msg(dediprog_handle, 0x42, 0x07, 0x09, target_leds, NULL, 0x0, DEFAULT_TIMEOUT); if (ret != 0x0) { msg_perr("Command Set LED 0x%x failed (%s)!\n", leds, usb_strerror()); return 1; } current_led_status = leds; return 0; } static int dediprog_set_spi_voltage(int millivolt) { int ret; uint16_t voltage_selector; switch (millivolt) { case 0: /* Admittedly this one is an assumption. */ voltage_selector = 0x0; break; case 1800: voltage_selector = 0x12; break; case 2500: voltage_selector = 0x11; break; case 3500: voltage_selector = 0x10; break; default: msg_perr("Unknown voltage %i mV! Aborting.\n", millivolt); return 1; } msg_pdbg("Setting SPI voltage to %u.%03u V\n", millivolt / 1000, millivolt % 1000); if (voltage_selector == 0) { /* Wait some time as the original driver does. */ programmer_delay(200 * 1000); } ret = usb_control_msg(dediprog_handle, 0x42, 0x9, voltage_selector, 0xff, NULL, 0x0, DEFAULT_TIMEOUT); if (ret != 0x0) { msg_perr("Command Set SPI Voltage 0x%x failed!\n", voltage_selector); return 1; } if (voltage_selector != 0) { /* Wait some time as the original driver does. */ programmer_delay(200 * 1000); } return 0; } struct dediprog_spispeeds { const char *const name; const int speed; }; static const struct dediprog_spispeeds spispeeds[] = { { "24M", 0x0 }, { "12M", 0x2 }, { "8M", 0x1 }, { "3M", 0x3 }, { "2.18M", 0x4 }, { "1.5M", 0x5 }, { "750k", 0x6 }, { "375k", 0x7 }, { NULL, 0x0 }, }; /* After dediprog_set_spi_speed, the original app always calls * dediprog_set_spi_voltage(0) and then * dediprog_check_devicestring() four times in a row. * After that, dediprog_command_a() is called. * This looks suspiciously like the microprocessor in the SF100 has to be * restarted/reinitialized in case the speed changes. */ static int dediprog_set_spi_speed(unsigned int spispeed_idx) { if (dediprog_firmwareversion < FIRMWARE_VERSION(5, 0, 0)) { msg_pwarn("Skipping to set SPI speed because firmware is too old.\n"); return 0; } msg_pdbg("SPI speed is %s Hz\n", spispeeds[spispeed_idx].name); int ret = usb_control_msg(dediprog_handle, 0x42, 0x61, spispeeds[spispeed_idx].speed, 0xff, NULL, 0x0, DEFAULT_TIMEOUT); if (ret != 0x0) { msg_perr("Command Set SPI Speed 0x%x failed!\n", spispeeds[spispeed_idx].speed); return 1; } return 0; } /* Bulk read interface, will read multiple 512 byte chunks aligned to 512 bytes. * @start start address * @len length * @return 0 on success, 1 on failure */ static int dediprog_spi_bulk_read(struct flashctx *flash, uint8_t *buf, unsigned int start, unsigned int len) { int ret; unsigned int i; /* chunksize must be 512, other sizes will NOT work at all. */ const unsigned int chunksize = 0x200; const unsigned int count = len / chunksize; const char count_and_chunk[] = {count & 0xff, (count >> 8) & 0xff, chunksize & 0xff, (chunksize >> 8) & 0xff}; if ((start % chunksize) || (len % chunksize)) { msg_perr("%s: Unaligned start=%i, len=%i! Please report a bug " "at flashrom@flashrom.org\n", __func__, start, len); return 1; } /* No idea if the hardware can handle empty reads, so chicken out. */ if (!len) return 0; /* Command Read SPI Bulk. No idea which read command is used on the * SPI side. */ ret = usb_control_msg(dediprog_handle, 0x42, 0x20, start % 0x10000, start / 0x10000, (char *)count_and_chunk, sizeof(count_and_chunk), DEFAULT_TIMEOUT); if (ret != sizeof(count_and_chunk)) { msg_perr("Command Read SPI Bulk failed, %i %s!\n", ret, usb_strerror()); return 1; } for (i = 0; i < count; i++) { ret = usb_bulk_read(dediprog_handle, 0x80 | dediprog_endpoint, (char *)buf + i * chunksize, chunksize, DEFAULT_TIMEOUT); if (ret != chunksize) { msg_perr("SPI bulk read %i failed, expected %i, got %i " "%s!\n", i, chunksize, ret, usb_strerror()); return 1; } } return 0; } static int dediprog_spi_read(struct flashctx *flash, uint8_t *buf, unsigned int start, unsigned int len) { int ret; /* chunksize must be 512, other sizes will NOT work at all. */ const unsigned int chunksize = 0x200; unsigned int residue = start % chunksize ? chunksize - start % chunksize : 0; unsigned int bulklen; dediprog_set_leds(PASS_OFF|BUSY_ON|ERROR_OFF); if (residue) { msg_pdbg("Slow read for partial block from 0x%x, length 0x%x\n", start, residue); ret = spi_read_chunked(flash, buf, start, residue, 16); if (ret) { dediprog_set_leds(PASS_OFF|BUSY_OFF|ERROR_ON); return ret; } } /* Round down. */ bulklen = (len - residue) / chunksize * chunksize; ret = dediprog_spi_bulk_read(flash, buf + residue, start + residue, bulklen); if (ret) { dediprog_set_leds(PASS_OFF|BUSY_OFF|ERROR_ON); return ret; } len -= residue + bulklen; if (len) { msg_pdbg("Slow read for partial block from 0x%x, length 0x%x\n", start, len); ret = spi_read_chunked(flash, buf + residue + bulklen, start + residue + bulklen, len, 16); if (ret) { dediprog_set_leds(PASS_OFF|BUSY_OFF|ERROR_ON); return ret; } } dediprog_set_leds(PASS_ON|BUSY_OFF|ERROR_OFF); return 0; } /* Bulk write interface, will write multiple chunksize byte chunks aligned to chunksize bytes. * @chunksize length of data chunks, only 256 supported by now * @start start address * @len length * @dedi_spi_cmd dediprog specific write command for spi bus * @return 0 on success, 1 on failure */ static int dediprog_spi_bulk_write(struct flashctx *flash, uint8_t *buf, unsigned int chunksize, unsigned int start, unsigned int len, uint8_t dedi_spi_cmd) { int ret; unsigned int i; /* USB transfer size must be 512, other sizes will NOT work at all. * chunksize is the real data size per USB bulk transfer. The remaining * space in a USB bulk transfer must be filled with 0xff padding. */ const unsigned int count = len / chunksize; const char count_and_cmd[] = {count & 0xff, (count >> 8) & 0xff, 0x00, dedi_spi_cmd}; char usbbuf[512]; /* * We should change this check to * chunksize > 512 * once we know how to handle different chunk sizes. */ if (chunksize != 256) { msg_perr("%s: Chunk sizes other than 256 bytes are unsupported, chunksize=%u!\n" "Please report a bug at flashrom@flashrom.org\n", __func__, chunksize); return 1; } if ((start % chunksize) || (len % chunksize)) { msg_perr("%s: Unaligned start=%i, len=%i! Please report a bug " "at flashrom@flashrom.org\n", __func__, start, len); return 1; } /* No idea if the hardware can handle empty writes, so chicken out. */ if (!len) return 0; /* Command Write SPI Bulk. No idea which write command is used on the * SPI side. */ ret = usb_control_msg(dediprog_handle, 0x42, 0x30, start % 0x10000, start / 0x10000, (char *)count_and_cmd, sizeof(count_and_cmd), DEFAULT_TIMEOUT); if (ret != sizeof(count_and_cmd)) { msg_perr("Command Write SPI Bulk failed, %i %s!\n", ret, usb_strerror()); return 1; } for (i = 0; i < count; i++) { memset(usbbuf, 0xff, sizeof(usbbuf)); memcpy(usbbuf, buf + i * chunksize, chunksize); ret = usb_bulk_write(dediprog_handle, dediprog_endpoint, usbbuf, 512, DEFAULT_TIMEOUT); if (ret != 512) { msg_perr("SPI bulk write failed, expected %i, got %i " "%s!\n", 512, ret, usb_strerror()); return 1; } } return 0; } static int dediprog_spi_write(struct flashctx *flash, uint8_t *buf, unsigned int start, unsigned int len, uint8_t dedi_spi_cmd) { int ret; const unsigned int chunksize = flash->chip->page_size; unsigned int residue = start % chunksize ? chunksize - start % chunksize : 0; unsigned int bulklen; dediprog_set_leds(PASS_OFF|BUSY_ON|ERROR_OFF); if (chunksize != 256) { msg_pdbg("Page sizes other than 256 bytes are unsupported as " "we don't know how dediprog\nhandles them.\n"); /* Write everything like it was residue. */ residue = len; } if (residue) { msg_pdbg("Slow write for partial block from 0x%x, length 0x%x\n", start, residue); /* No idea about the real limit. Maybe 12, maybe more. */ ret = spi_write_chunked(flash, buf, start, residue, 12); if (ret) { dediprog_set_leds(PASS_OFF|BUSY_OFF|ERROR_ON); return ret; } } /* Round down. */ bulklen = (len - residue) / chunksize * chunksize; ret = dediprog_spi_bulk_write(flash, buf + residue, chunksize, start + residue, bulklen, dedi_spi_cmd); if (ret) { dediprog_set_leds(PASS_OFF|BUSY_OFF|ERROR_ON); return ret; } len -= residue + bulklen; if (len) { msg_pdbg("Slow write for partial block from 0x%x, length 0x%x\n", start, len); ret = spi_write_chunked(flash, buf + residue + bulklen, start + residue + bulklen, len, 12); if (ret) { dediprog_set_leds(PASS_OFF|BUSY_OFF|ERROR_ON); return ret; } } dediprog_set_leds(PASS_ON|BUSY_OFF|ERROR_OFF); return 0; } static int dediprog_spi_write_256(struct flashctx *flash, uint8_t *buf, unsigned int start, unsigned int len) { return dediprog_spi_write(flash, buf, start, len, DEDI_SPI_CMD_PAGEWRITE); } static int dediprog_spi_write_aai(struct flashctx *flash, uint8_t *buf, unsigned int start, unsigned int len) { return dediprog_spi_write(flash, buf, start, len, DEDI_SPI_CMD_AAIWRITE); } static int dediprog_spi_send_command(struct flashctx *flash, unsigned int writecnt, unsigned int readcnt, const unsigned char *writearr, unsigned char *readarr) { int ret; msg_pspew("%s, writecnt=%i, readcnt=%i\n", __func__, writecnt, readcnt); /* Paranoid, but I don't want to be blamed if anything explodes. */ if (writecnt > 16) { msg_perr("Untested writecnt=%i, aborting.\n", writecnt); return 1; } /* 16 byte reads should work. */ if (readcnt > 16) { msg_perr("Untested readcnt=%i, aborting.\n", readcnt); return 1; } ret = usb_control_msg(dediprog_handle, 0x42, 0x1, 0xff, readcnt ? 0x1 : 0x0, (char *)writearr, writecnt, DEFAULT_TIMEOUT); if (ret != writecnt) { msg_perr("Send SPI failed, expected %i, got %i %s!\n", writecnt, ret, usb_strerror()); return 1; } if (!readcnt) return 0; memset(readarr, 0, readcnt); ret = usb_control_msg(dediprog_handle, 0xc2, 0x01, 0xbb8, 0x0000, (char *)readarr, readcnt, DEFAULT_TIMEOUT); if (ret != readcnt) { msg_perr("Receive SPI failed, expected %i, got %i %s!\n", readcnt, ret, usb_strerror()); return 1; } return 0; } static int dediprog_check_devicestring(void) { int ret; int fw[3]; char buf[0x11]; /* Command Prepare Receive Device String. */ memset(buf, 0, sizeof(buf)); ret = usb_control_msg(dediprog_handle, 0xc3, 0x7, 0x0, 0xef03, buf, 0x1, DEFAULT_TIMEOUT); /* The char casting is needed to stop gcc complaining about an always true comparison. */ if ((ret != 0x1) || (buf[0] != (char)0xff)) { msg_perr("Unexpected response to Command Prepare Receive Device" " String!\n"); return 1; } /* Command Receive Device String. */ memset(buf, 0, sizeof(buf)); ret = usb_control_msg(dediprog_handle, 0xc2, 0x8, 0xff, 0xff, buf, 0x10, DEFAULT_TIMEOUT); if (ret != 0x10) { msg_perr("Incomplete/failed Command Receive Device String!\n"); return 1; } buf[0x10] = '\0'; msg_pdbg("Found a %s\n", buf); if (memcmp(buf, "SF100", 0x5)) { msg_perr("Device not a SF100!\n"); return 1; } if (sscanf(buf, "SF100 V:%d.%d.%d ", &fw[0], &fw[1], &fw[2]) != 3) { msg_perr("Unexpected firmware version string!\n"); return 1; } /* Only these versions were tested. */ if (fw[0] < 2 || fw[0] > 5) { msg_perr("Unexpected firmware version %d.%d.%d!\n", fw[0], fw[1], fw[2]); return 1; } dediprog_firmwareversion = FIRMWARE_VERSION(fw[0], fw[1], fw[2]); return 0; } /* Command A seems to be some sort of device init. It is either followed by * dediprog_check_devicestring (often) or Command A (often) or * Command F (once). */ static int dediprog_command_a(void) { int ret; char buf[0x1]; memset(buf, 0, sizeof(buf)); ret = usb_control_msg(dediprog_handle, 0xc3, 0xb, 0x0, 0x0, buf, 0x1, DEFAULT_TIMEOUT); if (ret < 0) { msg_perr("Command A failed (%s)!\n", usb_strerror()); return 1; } if ((ret != 0x1) || (buf[0] != 0x6f)) { msg_perr("Unexpected response to Command A!\n"); return 1; } return 0; } #if 0 /* Something. * Present in eng_detect_blink.log with firmware 3.1.8 * Always preceded by Command Receive Device String */ static int dediprog_command_b(void) { int ret; char buf[0x3]; memset(buf, 0, sizeof(buf)); ret = usb_control_msg(dediprog_handle, 0xc3, 0x7, 0x0, 0xef00, buf, 0x3, DEFAULT_TIMEOUT); if (ret < 0) { msg_perr("Command B failed (%s)!\n", usb_strerror()); return 1; } if ((ret != 0x3) || (buf[0] != 0xff) || (buf[1] != 0xff) || (buf[2] != 0xff)) { msg_perr("Unexpected response to Command B!\n"); return 1; } return 0; } #endif /* Command Chip Select is only sent after dediprog_check_devicestring, but not after every * invocation of dediprog_check_devicestring. It is only sent after the first * dediprog_command_a(); dediprog_check_devicestring() sequence in each session. * Bit #1 of the value changes the chip select: 0 is target 1, 1 is target 2 and parameter target can be 1 or 2 * respectively. We don't know how to encode "3, Socket" and "0, reference card" yet. On SF100 the vendor * software "DpCmd 6.0.4.06" selects target 2 when requesting 3 (which is unavailable on that hardware). */ static int dediprog_chip_select(int target) { int ret; uint16_t value = ((target - 1) & 1) << 1; msg_pdbg("Selecting target chip %i\n", target); ret = usb_control_msg(dediprog_handle, 0x42, 0x4, value, 0x0, NULL, 0x0, DEFAULT_TIMEOUT); if (ret != 0x0) { msg_perr("Command Chip Select failed (%s)!\n", usb_strerror()); return 1; } return 0; } #if 0 /* Very strange. Seems to be a programmer keepalive or somesuch. * Wait unsuccessfully for timeout ms to read one byte. * Is usually called after setting voltage to 0. * Present in all logs with Firmware 2.1.1 and 3.1.8 */ static int dediprog_command_f(int timeout) { int ret; char buf[0x1]; memset(buf, 0, sizeof(buf)); ret = usb_control_msg(dediprog_handle, 0xc2, 0x11, 0xff, 0xff, buf, 0x1, timeout); /* This check is most probably wrong. Command F always causes a timeout * in the logs, so we should check for timeout instead of checking for * success. */ if (ret != 0x1) { msg_perr("Command F failed (%s)!\n", usb_strerror()); return 1; } return 0; } /* Start/stop blinking? * Present in eng_detect_blink.log with firmware 3.1.8 * Preceded by Command J */ static int dediprog_command_g(void) { int ret; ret = usb_control_msg(dediprog_handle, 0x42, 0x07, 0x09, 0x03, NULL, 0x0, DEFAULT_TIMEOUT); if (ret != 0x0) { msg_perr("Command G failed (%s)!\n", usb_strerror()); return 1; } return 0; } /* Something. * Present in all logs with firmware 5.1.5 * Always preceded by Command Receive Device String * Always followed by Command Set SPI Voltage nonzero */ static int dediprog_command_h(void) { int ret; ret = usb_control_msg(dediprog_handle, 0x42, 0x07, 0x09, 0x05, NULL, 0x0, DEFAULT_TIMEOUT); if (ret != 0x0) { msg_perr("Command H failed (%s)!\n", usb_strerror()); return 1; } return 0; } /* Shutdown for firmware 5.x? * Present in all logs with firmware 5.1.5 * Often preceded by a SPI operation (Command Read SPI Bulk or Receive SPI) * Always followed by Command Set SPI Voltage 0x0000 */ static int dediprog_command_i(void) { int ret; ret = usb_control_msg(dediprog_handle, 0x42, 0x07, 0x09, 0x06, NULL, 0x0, DEFAULT_TIMEOUT); if (ret != 0x0) { msg_perr("Command I failed (%s)!\n", usb_strerror()); return 1; } return 0; } /* Start/stop blinking? * Present in all logs with firmware 5.1.5 * Always preceded by Command Receive Device String on 5.1.5 * Always followed by Command Set SPI Voltage nonzero on 5.1.5 * Present in eng_detect_blink.log with firmware 3.1.8 * Preceded by Command B in eng_detect_blink.log * Followed by Command G in eng_detect_blink.log */ static int dediprog_command_j(void) { int ret; ret = usb_control_msg(dediprog_handle, 0x42, 0x07, 0x09, 0x07, NULL, 0x0, DEFAULT_TIMEOUT); if (ret != 0x0) { msg_perr("Command J failed (%s)!\n", usb_strerror()); return 1; } return 0; } #endif static int parse_voltage(char *voltage) { char *tmp = NULL; int i; int millivolt = 0, fraction = 0; if (!voltage || !strlen(voltage)) { msg_perr("Empty voltage= specified.\n"); return -1; } millivolt = (int)strtol(voltage, &tmp, 0); voltage = tmp; /* Handle "," and "." as decimal point. Everything after it is assumed * to be in decimal notation. */ if ((*voltage == '.') || (*voltage == ',')) { voltage++; for (i = 0; i < 3; i++) { fraction *= 10; /* Don't advance if the current character is invalid, * but continue multiplying. */ if ((*voltage < '0') || (*voltage > '9')) continue; fraction += *voltage - '0'; voltage++; } /* Throw away remaining digits. */ voltage += strspn(voltage, "0123456789"); } /* The remaining string must be empty or "mV" or "V". */ tolower_string(voltage); /* No unit or "V". */ if ((*voltage == '\0') || !strncmp(voltage, "v", 1)) { millivolt *= 1000; millivolt += fraction; } else if (!strncmp(voltage, "mv", 2) || !strncmp(voltage, "milliv", 6)) { /* No adjustment. fraction is discarded. */ } else { /* Garbage at the end of the string. */ msg_perr("Garbage voltage= specified.\n"); return -1; } return millivolt; } static int dediprog_setup(long target) { /* URB 6. Command A. */ if (dediprog_command_a()) { return 1; } /* URB 7. Command A. */ if (dediprog_command_a()) { return 1; } /* URB 8. Command Prepare Receive Device String. */ /* URB 9. Command Receive Device String. */ if (dediprog_check_devicestring()) { return 1; } /* URB 10. Command Chip Select */ if (dediprog_chip_select(target)) { return 1; } return 0; } static const struct spi_programmer spi_programmer_dediprog = { .type = SPI_CONTROLLER_DEDIPROG, .max_data_read = MAX_DATA_UNSPECIFIED, .max_data_write = MAX_DATA_UNSPECIFIED, .command = dediprog_spi_send_command, .multicommand = default_spi_send_multicommand, .read = dediprog_spi_read, .write_256 = dediprog_spi_write_256, .write_aai = dediprog_spi_write_aai, }; static int dediprog_shutdown(void *data) { msg_pspew("%s\n", __func__); #if 0 /* Shutdown on firmware 5.x */ if (dediprog_firmwareversion == 5) if (dediprog_command_i()) return 1; #endif /* URB 28. Command Set SPI Voltage to 0. */ if (dediprog_set_spi_voltage(0x0)) return 1; if (usb_release_interface(dediprog_handle, 0)) { msg_perr("Could not release USB interface!\n"); return 1; } if (usb_close(dediprog_handle)) { msg_perr("Could not close USB device!\n"); return 1; } return 0; } /* URB numbers refer to the first log ever captured. */ int dediprog_init(void) { struct usb_device *dev; char *voltage, *device, *spispeed, *target_str; int spispeed_idx = 1; int millivolt = 3500; long usedevice = 0; long target = 1; int i, ret; msg_pspew("%s\n", __func__); spispeed = extract_programmer_param("spispeed"); if (spispeed) { for (i = 0; spispeeds[i].name; ++i) { if (!strcasecmp(spispeeds[i].name, spispeed)) { spispeed_idx = i; break; } } if (!spispeeds[i].name) { msg_perr("Error: Invalid spispeed value: '%s'.\n", spispeed); free(spispeed); return 1; } free(spispeed); } voltage = extract_programmer_param("voltage"); if (voltage) { millivolt = parse_voltage(voltage); free(voltage); if (millivolt < 0) return 1; msg_pinfo("Setting voltage to %i mV\n", millivolt); } device = extract_programmer_param("device"); if (device) { char *dev_suffix; errno = 0; usedevice = strtol(device, &dev_suffix, 10); if (errno != 0 || device == dev_suffix) { msg_perr("Error: Could not convert 'device'.\n"); free(device); return 1; } if (usedevice < 0 || usedevice > UINT_MAX) { msg_perr("Error: Value for 'device' is out of range.\n"); free(device); return 1; } if (strlen(dev_suffix) > 0) { msg_perr("Error: Garbage following 'device' value.\n"); free(device); return 1; } msg_pinfo("Using device %li.\n", usedevice); } free(device); target_str = extract_programmer_param("target"); if (target_str) { char *target_suffix; errno = 0; target = strtol(target_str, &target_suffix, 10); if (errno != 0 || target_str == target_suffix) { msg_perr("Error: Could not convert 'target'.\n"); free(target_str); return 1; } if (target < 1 || target > 2) { msg_perr("Error: Value for 'target' is out of range.\n"); free(target_str); return 1; } if (strlen(target_suffix) > 0) { msg_perr("Error: Garbage following 'target' value.\n"); free(target_str); return 1; } msg_pinfo("Using target %li.\n", target); } free(target_str); /* Here comes the USB stuff. */ usb_init(); usb_find_busses(); usb_find_devices(); dev = get_device_by_vid_pid(0x0483, 0xdada, (unsigned int) usedevice); if (!dev) { msg_perr("Could not find a Dediprog SF100 on USB!\n"); return 1; } msg_pdbg("Found USB device (%04x:%04x).\n", dev->descriptor.idVendor, dev->descriptor.idProduct); dediprog_handle = usb_open(dev); if (!dediprog_handle) { msg_perr("Could not open USB device: %s\n", usb_strerror()); return 1; } ret = usb_set_configuration(dediprog_handle, 1); if (ret < 0) { msg_perr("Could not set USB device configuration: %i %s\n", ret, usb_strerror()); if (usb_close(dediprog_handle)) msg_perr("Could not close USB device!\n"); return 1; } ret = usb_claim_interface(dediprog_handle, 0); if (ret < 0) { msg_perr("Could not claim USB device interface %i: %i %s\n", 0, ret, usb_strerror()); if (usb_close(dediprog_handle)) msg_perr("Could not close USB device!\n"); return 1; } dediprog_endpoint = 2; if (register_shutdown(dediprog_shutdown, NULL)) return 1; dediprog_set_leds(PASS_ON|BUSY_ON|ERROR_ON); /* Perform basic setup. */ if (dediprog_setup(target)) { dediprog_set_leds(PASS_OFF|BUSY_OFF|ERROR_ON); return 1; } /* After setting voltage and speed, perform setup again. */ if (dediprog_set_spi_voltage(0) || dediprog_set_spi_speed(spispeed_idx) || dediprog_setup(target)) { dediprog_set_leds(PASS_OFF|BUSY_OFF|ERROR_ON); return 1; } /* URB 11. Command Set SPI Voltage. */ if (dediprog_set_spi_voltage(millivolt)) { dediprog_set_leds(PASS_OFF|BUSY_OFF|ERROR_ON); return 1; } register_spi_programmer(&spi_programmer_dediprog); /* RE leftover, leave in until the driver is complete. */ #if 0 /* Execute RDID by hand if you want to test it. */ dediprog_do_stuff(); #endif dediprog_set_leds(PASS_OFF|BUSY_OFF|ERROR_OFF); return 0; } #if 0 /* Leftovers from reverse engineering. Keep for documentation purposes until * completely understood. */ static int dediprog_do_stuff(void) { char buf[0x4]; /* SPI command processing starts here. */ /* URB 12. Command Send SPI. */ /* URB 13. Command Receive SPI. */ memset(buf, 0, sizeof(buf)); /* JEDEC RDID */ msg_pdbg("Sending RDID\n"); buf[0] = JEDEC_RDID; if (dediprog_spi_send_command(JEDEC_RDID_OUTSIZE, JEDEC_RDID_INSIZE, (unsigned char *)buf, (unsigned char *)buf)) return 1; msg_pdbg("Receiving response: "); print_hex(buf, JEDEC_RDID_INSIZE); /* URB 14-27 are more SPI commands. */ /* URB 28. Command Set SPI Voltage. */ if (dediprog_set_spi_voltage(0x0)) return 1; /* URB 29-38. Command F, unsuccessful wait. */ if (dediprog_command_f(544)) return 1; /* URB 39. Command Set SPI Voltage. */ if (dediprog_set_spi_voltage(0x10)) return 1; /* URB 40. Command Set SPI Speed. */ if (dediprog_set_spi_speed(0x2)) return 1; /* URB 41 is just URB 28. */ /* URB 42,44,46,48,51,53 is just URB 8. */ /* URB 43,45,47,49,52,54 is just URB 9. */ /* URB 50 is just URB 6/7. */ /* URB 55-131 is just URB 29-38. (wait unsuccessfully for 4695 (maybe 4751) ms)*/ /* URB 132,134 is just URB 6/7. */ /* URB 133 is just URB 29-38. */ /* URB 135 is just URB 8. */ /* URB 136 is just URB 9. */ /* URB 137 is just URB 11. */ /* Command Start Bulk Read. Data is u16 blockcount, u16 blocksize. */ /* Command Start Bulk Write. Data is u16 blockcount, u16 blocksize. */ /* Bulk transfer sizes for Command Start Bulk Read/Write are always * 512 bytes, rest is filled with 0xff. */ return 0; } #endif