diff options
Diffstat (limited to 'dediprog.c')
| -rw-r--r-- | dediprog.c | 241 |
1 files changed, 130 insertions, 111 deletions
@@ -40,7 +40,7 @@ #define FIRMWARE_VERSION(x,y,z) ((x << 16) | (y << 8) | z) #define DEFAULT_TIMEOUT 3000 -#define REQTYPE_OTHER_OUT (USB_ENDPOINT_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER) /* 0x43 */ +#define REQTYPE_OTHER_OUT (USB_ENDPOINT_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER) /* 0x43 */ #define REQTYPE_OTHER_IN (USB_ENDPOINT_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER) /* 0xC3 */ #define REQTYPE_EP_OUT (USB_ENDPOINT_OUT | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT) /* 0x42 */ #define REQTYPE_EP_IN (USB_ENDPOINT_IN | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT) /* 0xC2 */ @@ -120,9 +120,9 @@ enum dediprog_writemode { WRITE_MODE_128B_PAGE = 5, WRITE_MODE_PAGE_AT26DF041 = 6, WRITE_MODE_SILICON_BLUE_FPGA = 7, - WRITE_MODE_64B_PAGE_NUMONYX_PCM = 8, /* unit of length 512 bytes */ + WRITE_MODE_64B_PAGE_NUMONYX_PCM = 8, /* unit of 512 bytes */ WRITE_MODE_4B_ADDR_256B_PAGE_PGM = 9, - WRITE_MODE_32B_PAGE_PGM_MXIC_512K = 10, /* unit of length 512 bytes */ + WRITE_MODE_32B_PAGE_PGM_MXIC_512K = 10, /* unit of 512 bytes */ WRITE_MODE_4B_ADDR_256B_PAGE_PGM_0x12 = 11, WRITE_MODE_4B_ADDR_256B_PAGE_PGM_FLAGS = 12, }; @@ -130,16 +130,26 @@ enum dediprog_writemode { static int dediprog_firmwareversion = FIRMWARE_VERSION(0, 0, 0); -#if 0 -/* Might be useful for other pieces of code as well. */ -static void print_hex(void *buf, size_t len) +/* Returns true if firmware (and thus hardware) supports the "new" protocol */ +static bool is_new_prot(void) { - size_t i; + /* if (SF100) */ + return dediprog_firmwareversion >= FIRMWARE_VERSION(5, 5, 0); + /* else if (SF600) + return dediprog_firmwareversion >= FIRMWARE_VERSION(6, 9, 0); */ +} - for (i = 0; i < len; i++) - msg_pdbg(" %02x", ((uint8_t *)buf)[i]); +static int dediprog_read(enum dediprog_cmds cmd, unsigned int value, unsigned int idx, uint8_t *bytes, size_t size) +{ + return usb_control_msg(dediprog_handle, REQTYPE_EP_IN, cmd, value, idx, + (char *)bytes, size, DEFAULT_TIMEOUT); +} + +static int dediprog_write(enum dediprog_cmds cmd, unsigned int value, unsigned int idx, const uint8_t *bytes, size_t size) +{ + return usb_control_msg(dediprog_handle, REQTYPE_EP_OUT, cmd, value, idx, + (char *)bytes, size, DEFAULT_TIMEOUT); } -#endif /* Might be useful for other USB devices as well. static for now. */ /* device parameter allows user to specify one device of multiple installed */ @@ -166,24 +176,30 @@ static int dediprog_set_leds(int leds) if (leds < LED_NONE || leds > LED_ALL) leds = LED_ALL; - /* 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: + /* Older Dediprogs with 2.x.x and 3.x.x firmware only had two LEDs, assigned to different bits. 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. + * bit 0 == 0: red light is on. + * + * Additionally, the command structure has changed with the "new" protocol. + * + * FIXME: take IO pins into account */ - int target_leds; - if (dediprog_firmwareversion < FIRMWARE_VERSION(5,0,0)) { - target_leds = ((leds & LED_ERROR) >> 2) | - ((leds & LED_PASS) << 2); + int target_leds, ret; + if (is_new_prot()) { + target_leds = (leds ^ 7) << 8; + ret = dediprog_write(CMD_SET_IO_LED, target_leds, 0, NULL, 0); } else { - target_leds = leds; + if (dediprog_firmwareversion < FIRMWARE_VERSION(5, 0, 0)) { + target_leds = ((leds & LED_ERROR) >> 2) | ((leds & LED_PASS) << 2); + } else { + target_leds = leds; + } + target_leds ^= 7; + + ret = dediprog_write(CMD_SET_IO_LED, 0x9, target_leds, NULL, 0); } - target_leds ^= 7; - int ret = usb_control_msg(dediprog_handle, REQTYPE_EP_OUT, CMD_SET_IO_LED, 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; @@ -222,8 +238,7 @@ static int dediprog_set_spi_voltage(int millivolt) /* Wait some time as the original driver does. */ programmer_delay(200 * 1000); } - ret = usb_control_msg(dediprog_handle, REQTYPE_EP_OUT, CMD_SET_VCC, voltage_selector, 0, - NULL, 0x0, DEFAULT_TIMEOUT); + ret = dediprog_write(CMD_SET_VCC, voltage_selector, 0, NULL, 0); if (ret != 0x0) { msg_perr("Command Set SPI Voltage 0x%x failed!\n", voltage_selector); @@ -263,8 +278,7 @@ static int dediprog_set_spi_speed(unsigned int spispeed_idx) const struct dediprog_spispeeds *spispeed = &spispeeds[spispeed_idx]; msg_pdbg("SPI speed is %sHz\n", spispeed->name); - int ret = usb_control_msg(dediprog_handle, REQTYPE_EP_OUT, CMD_SET_SPI_CLK, spispeed->speed, 0xff, - NULL, 0x0, DEFAULT_TIMEOUT); + int ret = dediprog_write(CMD_SET_SPI_CLK, spispeed->speed, 0, NULL, 0); if (ret != 0x0) { msg_perr("Command Set SPI Speed 0x%x failed!\n", spispeed->speed); return 1; @@ -272,52 +286,66 @@ static int dediprog_set_spi_speed(unsigned int spispeed_idx) return 0; } +static void fill_rw_cmd_payload(uint8_t *data_packet, unsigned int count, uint8_t dedi_spi_cmd, unsigned int *value, unsigned int *idx, unsigned int start) { + /* First 5 bytes are common in both generations. */ + data_packet[0] = count & 0xff; + data_packet[1] = (count >> 8) & 0xff; + data_packet[2] = 0; /* RFU */ + data_packet[3] = dedi_spi_cmd; /* Read/Write Mode (currently READ_MODE_STD, WRITE_MODE_PAGE_PGM or WRITE_MODE_2B_AAI) */ + data_packet[4] = 0; /* "Opcode". Specs imply necessity only for READ_MODE_4B_ADDR_FAST and WRITE_MODE_4B_ADDR_256B_PAGE_PGM */ + + if (is_new_prot()) { + *value = *idx = 0; + data_packet[5] = 0; /* RFU */ + data_packet[6] = (start >> 0) & 0xff; + data_packet[7] = (start >> 8) & 0xff; + data_packet[8] = (start >> 16) & 0xff; + data_packet[9] = (start >> 24) & 0xff; + } else { + *value = start % 0x10000; + *idx = start / 0x10000; + } +} + /* 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) +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 chunksize = 512; 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); + 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) + if (len == 0) return 0; - /* Command Read SPI Bulk. No idea which read command is used on the - * SPI side. - */ - ret = usb_control_msg(dediprog_handle, REQTYPE_EP_OUT, CMD_READ, 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()); + + /* Command packet size of protocols: new 10 B, old 5 B. */ + uint8_t data_packet[is_new_prot() ? 10 : 5]; + unsigned int value, idx; + fill_rw_cmd_payload(data_packet, count, READ_MODE_STD, &value, &idx, start); + + int ret = dediprog_write(CMD_READ, value, idx, data_packet, sizeof(data_packet)); + if (ret != sizeof(data_packet)) { + msg_perr("Command Read SPI Bulk failed, %i %s!\n", ret, usb_strerror()); return 1; } + unsigned int i; 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()); + msg_perr("SPI bulk read %i failed, expected %i, got %i %s!\n", + i, chunksize, ret, usb_strerror()); return 1; } } @@ -325,8 +353,7 @@ static int dediprog_spi_bulk_read(struct flashctx *flash, uint8_t *buf, return 0; } -static int dediprog_spi_read(struct flashctx *flash, uint8_t *buf, - unsigned int start, unsigned int len) +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. */ @@ -346,13 +373,12 @@ static int dediprog_spi_read(struct flashctx *flash, uint8_t *buf, /* Round down. */ bulklen = (len - residue) / chunksize * chunksize; - ret = dediprog_spi_bulk_read(flash, buf + residue, start + residue, - bulklen); + ret = dediprog_spi_bulk_read(flash, buf + residue, start + residue, bulklen); if (ret) goto err; len -= residue + bulklen; - if (len) { + if (len != 0) { msg_pdbg("Slow read for partial block from 0x%x, length 0x%x\n", start, len); ret = spi_read_chunked(flash, buf + residue + bulklen, @@ -378,15 +404,11 @@ err: static int dediprog_spi_bulk_write(struct flashctx *flash, const 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 @@ -406,28 +428,28 @@ static int dediprog_spi_bulk_write(struct flashctx *flash, const uint8_t *buf, u } /* No idea if the hardware can handle empty writes, so chicken out. */ - if (!len) + if (len == 0) return 0; - /* Command Write SPI Bulk. No idea which write command is used on the - * SPI side. - */ - ret = usb_control_msg(dediprog_handle, REQTYPE_EP_OUT, CMD_WRITE, start % 0x10000, start / 0x10000, - (char *)count_and_cmd, sizeof(count_and_cmd), DEFAULT_TIMEOUT); - if (ret != sizeof(count_and_cmd)) { + + /* Command packet size of protocols: new 10 B, old 5 B. */ + uint8_t data_packet[is_new_prot() ? 10 : 5]; + unsigned int value, idx; + fill_rw_cmd_payload(data_packet, count, dedi_spi_cmd, &value, &idx, start); + int ret = dediprog_write(CMD_WRITE, value, idx, data_packet, sizeof(data_packet)); + if (ret != sizeof(data_packet)) { msg_perr("Command Write SPI Bulk failed, %i %s!\n", ret, usb_strerror()); return 1; } + unsigned int i; for (i = 0; i < count; i++) { - memset(usbbuf, 0xff, sizeof(usbbuf)); + char usbbuf[512]; memcpy(usbbuf, buf + i * chunksize, chunksize); - ret = usb_bulk_write(dediprog_handle, dediprog_endpoint, - usbbuf, 512, - DEFAULT_TIMEOUT); + memset(usbbuf + chunksize, 0xff, sizeof(usbbuf) - chunksize); // fill up with 0xFF + 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()); + msg_perr("SPI bulk write failed, expected %i, got %i %s!\n", 512, ret, usb_strerror()); return 1; } } @@ -506,30 +528,45 @@ static int dediprog_spi_send_command(struct flashctx *flash, int ret; msg_pspew("%s, writecnt=%i, readcnt=%i\n", __func__, writecnt, readcnt); - if (writecnt > UINT16_MAX) { + if (writecnt > flash->mst->spi.max_data_write) { msg_perr("Invalid writecnt=%i, aborting.\n", writecnt); return 1; } - if (readcnt > UINT16_MAX) { + if (readcnt > flash->mst->spi.max_data_read) { msg_perr("Invalid readcnt=%i, aborting.\n", readcnt); return 1; } - ret = usb_control_msg(dediprog_handle, REQTYPE_EP_OUT, CMD_TRANSCEIVE, 0, readcnt ? 0x1 : 0x0, - (char *)writearr, writecnt, DEFAULT_TIMEOUT); + unsigned int idx, value; + /* New protocol has options and timeout combined as value while the old one used the value field for + * timeout and the index field for options. */ + if (is_new_prot()) { + idx = 0; + value = readcnt ? 0x1 : 0x0; // Indicate if we require a read + } else { + idx = readcnt ? 0x1 : 0x0; // Indicate if we require a read + value = 0; + } + ret = dediprog_write(CMD_TRANSCEIVE, value, idx, writearr, writecnt); if (ret != writecnt) { msg_perr("Send SPI failed, expected %i, got %i %s!\n", writecnt, ret, usb_strerror()); return 1; } - if (readcnt == 0) + if (readcnt == 0) // If we don't require a response, we are done here return 0; - ret = usb_control_msg(dediprog_handle, REQTYPE_EP_IN, CMD_TRANSCEIVE, 0, 0, - (char *)readarr, readcnt, DEFAULT_TIMEOUT); + const uint8_t read_timeout = 10 + readcnt/512; + if (is_new_prot()) { + idx = 0; + value = min(read_timeout, 0xFF) | (0 << 8) ; // Timeout in lower byte, option in upper byte + } else { + idx = (0 & 0xFF); // Lower byte is option (0x01 = require SR, 0x02 keep CS low) + value = min(read_timeout, 0xFF); // Possibly two bytes but we play safe here + } + ret = dediprog_read(CMD_TRANSCEIVE, value, idx, readarr, readcnt); if (ret != readcnt) { - msg_perr("Receive SPI failed, expected %i, got %i %s!\n", - readcnt, ret, usb_strerror()); + msg_perr("Receive SPI failed, expected %i, got %i %s!\n", readcnt, ret, usb_strerror()); return 1; } return 0; @@ -541,20 +578,8 @@ static int dediprog_check_devicestring(void) int fw[3]; char buf[0x11]; -#if 0 - /* Command Prepare Receive Device String. */ - ret = usb_control_msg(dediprog_handle, REQTYPE_OTHER_IN, 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; - } -#endif /* Command Receive Device String. */ - ret = usb_control_msg(dediprog_handle, REQTYPE_EP_IN, CMD_READ_PROG_INFO, 0, 0, - buf, 0x10, DEFAULT_TIMEOUT); + ret = dediprog_read(CMD_READ_PROG_INFO, 0, 0, (uint8_t *)buf, 0x10); if (ret != 0x10) { msg_perr("Incomplete/failed Command Receive Device String!\n"); return 1; @@ -566,16 +591,16 @@ static int dediprog_check_devicestring(void) return 1; } if (sscanf(buf, "SF100 V:%d.%d.%d ", &fw[0], &fw[1], &fw[2]) != 3) { - msg_perr("Unexpected firmware version string!\n"); + msg_perr("Unexpected firmware version string '%s'\n", buf); 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]); + /* Only these major versions were tested. */ + if (fw[0] < 2 || fw[0] > 6) { + 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; } @@ -700,8 +725,8 @@ static int parse_voltage(char *voltage) static const struct spi_master spi_master_dediprog = { .type = SPI_CONTROLLER_DEDIPROG, - .max_data_read = MAX_DATA_UNSPECIFIED, - .max_data_write = MAX_DATA_UNSPECIFIED, + .max_data_read = 16, /* 18 seems to work fine as well, but 19 times out sometimes with FW 5.15. */ + .max_data_write = 16, .command = dediprog_spi_send_command, .multicommand = default_spi_send_multicommand, .read = dediprog_spi_read, @@ -711,8 +736,6 @@ static const struct spi_master spi_master_dediprog = { static int dediprog_shutdown(void *data) { - msg_pspew("%s\n", __func__); - dediprog_firmwareversion = FIRMWARE_VERSION(0, 0, 0); /* URB 28. Command Set SPI Voltage to 0. */ @@ -730,7 +753,6 @@ static int dediprog_shutdown(void *data) return 0; } -/* URB numbers refer to the first log ever captured. */ int dediprog_init(void) { struct usb_device *dev; @@ -741,8 +763,6 @@ int dediprog_init(void) 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) { @@ -861,7 +881,7 @@ int dediprog_init(void) /* Set all possible LEDs as soon as possible to indicate activity. * Because knowing the firmware version is required to set the LEDs correctly we need to this after - * dediprog_setup() has queried the device and set dediprog_firmwareversion. */ + * dediprog_check_devicestring() has queried the device and set dediprog_firmwareversion. */ dediprog_set_leds(LED_ALL); /* Select target/socket, frequency and VCC. */ @@ -872,9 +892,8 @@ int dediprog_init(void) return 1; } - register_spi_master(&spi_master_dediprog); - - dediprog_set_leds(LED_NONE); + if (register_spi_master(&spi_master_dediprog) || dediprog_set_leds(LED_NONE)) + return 1; return 0; } |