/* * avrdude - A Downloader/Uploader for AVR device programmers * Copyright (C) 2012 Joerg Wunsch * * * 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 2 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 . */ /* $Id$ */ /* * avrdude interface for Atmel JTAGICE3 programmer */ #include "ac_cfg.h" #include #include #include #include #include #include #include #include #include #include #include "avrdude.h" #include "libavrdude.h" #include "crc16.h" #include "jtag3.h" #include "jtag3_private.h" #include "usbdevs.h" /* * Private data for this programmer. */ struct pdata { unsigned short command_sequence; /* Next cmd seqno to issue. */ /* * See jtag3_read_byte() for an explanation of the flash and * EEPROM page caches. */ unsigned char *flash_pagecache; unsigned long flash_pageaddr; unsigned int flash_pagesize; unsigned char *eeprom_pagecache; unsigned long eeprom_pageaddr; unsigned int eeprom_pagesize; int prog_enabled; /* Cached value of PROGRAMMING status. */ /* JTAG chain stuff */ unsigned char jtagchain[4]; /* Start address of Xmega boot area */ unsigned long boot_start; /* Flag for triggering HV UPDI */ bool use_hvupdi; /* Function to set the appropriate clock parameter */ int (*set_sck)(const PROGRAMMER *, unsigned char *); }; #define PDATA(pgm) ((struct pdata *)(pgm->cookie)) /* * pgm->flag is marked as "for private use of the programmer". * The following defines this programmer's use of that field. */ #define PGM_FL_IS_DW (0x0001) #define PGM_FL_IS_PDI (0x0002) #define PGM_FL_IS_JTAG (0x0004) #define PGM_FL_IS_EDBG (0x0008) #define PGM_FL_IS_UPDI (0x0010) static int jtag3_open(PROGRAMMER *pgm, const char *port); static int jtag3_edbg_prepare(const PROGRAMMER *pgm); static int jtag3_edbg_signoff(const PROGRAMMER *pgm); static int jtag3_edbg_send(const PROGRAMMER *pgm, unsigned char *data, size_t len); static int jtag3_edbg_recv_frame(const PROGRAMMER *pgm, unsigned char **msg); static int jtag3_initialize(const PROGRAMMER *pgm, const AVRPART *p); static int jtag3_chip_erase(const PROGRAMMER *pgm, const AVRPART *p); static int jtag3_read_byte(const PROGRAMMER *pgm, const AVRPART *p, const AVRMEM *mem, unsigned long addr, unsigned char * value); static int jtag3_write_byte(const PROGRAMMER *pgm, const AVRPART *p, const AVRMEM *mem, unsigned long addr, unsigned char data); static int jtag3_set_sck_period(const PROGRAMMER *pgm, double v); void jtag3_print_parms1(const PROGRAMMER *pgm, const char *p); static int jtag3_paged_write(const PROGRAMMER *pgm, const AVRPART *p, const AVRMEM *m, unsigned int page_size, unsigned int addr, unsigned int n_bytes); static unsigned char jtag3_memtype(const PROGRAMMER *pgm, const AVRPART *p, unsigned long addr); static unsigned int jtag3_memaddr(const PROGRAMMER *pgm, const AVRPART *p, const AVRMEM *m, unsigned long addr); void jtag3_setup(PROGRAMMER * pgm) { if ((pgm->cookie = malloc(sizeof(struct pdata))) == 0) { avrdude_message(MSG_INFO, "%s: jtag3_setup(): Out of memory allocating private data\n", progname); exit(1); } memset(pgm->cookie, 0, sizeof(struct pdata)); } void jtag3_teardown(PROGRAMMER * pgm) { free(pgm->cookie); } static unsigned long b4_to_u32(unsigned char *b) { unsigned long l; l = b[0]; l += (unsigned)b[1] << 8; l += (unsigned)b[2] << 16; l += (unsigned)b[3] << 24; return l; } static void u32_to_b4(unsigned char *b, unsigned long l) { b[0] = l & 0xff; b[1] = (l >> 8) & 0xff; b[2] = (l >> 16) & 0xff; b[3] = (l >> 24) & 0xff; } static unsigned short b2_to_u16(unsigned char *b) { unsigned short l; l = b[0]; l += (unsigned)b[1] << 8; return l; } static void u16_to_b2(unsigned char *b, unsigned short l) { b[0] = l & 0xff; b[1] = (l >> 8) & 0xff; } static bool matches(const char *s, const char *pat) { return strncmp(s, pat, strlen(pat)) == 0; } static void jtag3_print_data(unsigned char *b, size_t s) { int i; if (s < 2) return; for (i = 0; i < s; i++) { avrdude_message(MSG_INFO, "0x%02x", b[i]); if (i % 16 == 15) putc('\n', stderr); else putc(' ', stderr); } if (i % 16 != 0) putc('\n', stderr); } static void jtag3_prmsg(const PROGRAMMER *pgm, unsigned char *data, size_t len) { int i; if (verbose >= 4) { avrdude_message(MSG_TRACE, "Raw message:\n"); for (i = 0; i < len; i++) { avrdude_message(MSG_TRACE, "%02x ", data[i]); if (i % 16 == 15) putc('\n', stderr); else putc(' ', stderr); } if (i % 16 != 0) putc('\n', stderr); } switch (data[0]) { case SCOPE_INFO: avrdude_message(MSG_INFO, "[info] "); break; case SCOPE_GENERAL: avrdude_message(MSG_INFO, "[general] "); break; case SCOPE_AVR_ISP: avrdude_message(MSG_INFO, "[AVRISP] "); jtag3_print_data(data + 1, len - 1); return; case SCOPE_AVR: avrdude_message(MSG_INFO, "[AVR] "); break; default: avrdude_message(MSG_INFO, "[scope 0x%02x] ", data[0]); break; } switch (data[1]) { case RSP3_OK: avrdude_message(MSG_INFO, "OK\n"); break; case RSP3_FAILED: avrdude_message(MSG_INFO, "FAILED"); if (len > 3) { char reason[50]; sprintf(reason, "0x%02x", data[3]); switch (data[3]) { case RSP3_FAIL_NO_ANSWER: strcpy(reason, "target does not answer"); break; case RSP3_FAIL_NO_TARGET_POWER: strcpy(reason, "no target power"); break; case RSP3_FAIL_NOT_UNDERSTOOD: strcpy(reason, "command not understood"); break; case RSP3_FAIL_WRONG_MODE: strcpy(reason, "wrong (programming) mode"); break; case RSP3_FAIL_PDI: strcpy(reason, "PDI failure"); break; case RSP3_FAIL_UNSUPP_MEMORY: strcpy(reason, "unsupported memory type"); break; case RSP3_FAIL_WRONG_LENGTH: strcpy(reason, "wrong length in memory access"); break; case RSP3_FAIL_DEBUGWIRE: strcpy(reason, "debugWIRE communication failed"); break; } avrdude_message(MSG_INFO, ", reason: %s\n", reason); } else { avrdude_message(MSG_INFO, ", unspecified reason\n"); } break; case RSP3_DATA: avrdude_message(MSG_INFO, "Data returned:\n"); jtag3_print_data(data + 2, len - 2); break; case RSP3_INFO: avrdude_message(MSG_INFO, "Info returned:\n"); for (i = 2; i < len; i++) { if (isprint(data[i])) putc(data[i], stderr); else avrdude_message(MSG_INFO, "\\%03o", data[i]); } putc('\n', stderr); break; case RSP3_PC: if (len < 7) { avrdude_message(MSG_INFO, "PC reply too short\n"); } else { unsigned long pc = (data[6] << 24) | (data[5] << 16) | (data[4] << 8) | data[3]; avrdude_message(MSG_INFO, "PC 0x%0lx\n", pc); } break; default: avrdude_message(MSG_INFO, "unknown message 0x%02x\n", data[1]); } } static int jtag3_errcode(int reason) { if (reason == RSP3_FAIL_OCD_LOCKED || reason == RSP3_FAIL_CRC_FAILURE) return LIBAVRDUDE_SOFTFAIL; return LIBAVRDUDE_GENERAL_FAILURE; } static void jtag3_prevent(const PROGRAMMER *pgm, unsigned char *data, size_t len) { int i; if (verbose >= 4) { avrdude_message(MSG_TRACE, "Raw event:\n"); for (i = 0; i < len; i++) { avrdude_message(MSG_TRACE, "%02x ", data[i]); if (i % 16 == 15) putc('\n', stderr); else putc(' ', stderr); } if (i % 16 != 0) putc('\n', stderr); } avrdude_message(MSG_INFO, "Event serial 0x%04x, ", (data[3] << 8) | data[2]); switch (data[4]) { case SCOPE_INFO: avrdude_message(MSG_INFO, "[info] "); break; case SCOPE_GENERAL: avrdude_message(MSG_INFO, "[general] "); break; case SCOPE_AVR: avrdude_message(MSG_INFO, "[AVR] "); break; default: avrdude_message(MSG_INFO, "[scope 0x%02x] ", data[0]); break; } switch (data[5]) { case EVT3_BREAK: avrdude_message(MSG_INFO, "BREAK"); if (len >= 11) { avrdude_message(MSG_INFO, ", PC = 0x%lx, reason ", b4_to_u32(data + 6)); switch (data[10]) { case 0x00: avrdude_message(MSG_INFO, "unspecified"); break; case 0x01: avrdude_message(MSG_INFO, "program break"); break; case 0x02: avrdude_message(MSG_INFO, "data break PDSB"); break; case 0x03: avrdude_message(MSG_INFO, "data break PDMSB"); break; default: avrdude_message(MSG_INFO, "unknown: 0x%02x", data[10]); } /* There are two more bytes of data which always appear to be * 0x01, 0x00. Purpose unknown. */ } break; case EVT3_SLEEP: if (len >= 8 && data[7] == 0) avrdude_message(MSG_INFO, "sleeping"); else if (len >= 8 && data[7] == 1) avrdude_message(MSG_INFO, "wakeup"); else avrdude_message(MSG_INFO, "unknown SLEEP event"); break; case EVT3_POWER: if (len >= 8 && data[7] == 0) avrdude_message(MSG_INFO, "power-down"); else if (len >= 8 && data[7] == 1) avrdude_message(MSG_INFO, "power-up"); else avrdude_message(MSG_INFO, "unknown POWER event"); break; default: avrdude_message(MSG_INFO, "UNKNOWN 0x%02x", data[5]); break; } putc('\n', stderr); } int jtag3_send(const PROGRAMMER *pgm, unsigned char *data, size_t len) { unsigned char *buf; if (pgm->flag & PGM_FL_IS_EDBG) return jtag3_edbg_send(pgm, data, len); avrdude_message(MSG_DEBUG, "\n%s: jtag3_send(): sending %lu bytes\n", progname, (unsigned long)len); if ((buf = malloc(len + 4)) == NULL) { avrdude_message(MSG_INFO, "%s: jtag3_send(): out of memory", progname); return -1; } buf[0] = TOKEN; buf[1] = 0; /* dummy */ u16_to_b2(buf + 2, PDATA(pgm)->command_sequence); memcpy(buf + 4, data, len); if (serial_send(&pgm->fd, buf, len + 4) != 0) { avrdude_message(MSG_INFO, "%s: jtag3_send(): failed to send command to serial port\n", progname); free(buf); return -1; } free(buf); return 0; } static int jtag3_edbg_send(const PROGRAMMER *pgm, unsigned char *data, size_t len) { unsigned char buf[USBDEV_MAX_XFER_3]; unsigned char status[USBDEV_MAX_XFER_3]; int rv; if (verbose >= 4) { memset(buf, 0, USBDEV_MAX_XFER_3); memset(status, 0, USBDEV_MAX_XFER_3); } avrdude_message(MSG_DEBUG, "\n%s: jtag3_edbg_send(): sending %lu bytes\n", progname, (unsigned long)len); /* 4 bytes overhead for CMD, fragment #, and length info */ int max_xfer = pgm->fd.usb.max_xfer; int nfragments = (len + max_xfer - 1) / max_xfer; if (nfragments > 1) { avrdude_message(MSG_DEBUG, "%s: jtag3_edbg_send(): fragmenting into %d packets\n", progname, nfragments); } int frag; for (frag = 0; frag < nfragments; frag++) { int this_len; /* All fragments have the (CMSIS-DAP layer) CMD, the fragment * identifier, and the length field. */ buf[0] = EDBG_VENDOR_AVR_CMD; buf[1] = ((frag + 1) << 4) | nfragments; if (frag == 0) { /* Only first fragment has TOKEN and seq#, thus four bytes * less payload than subsequent fragments. */ this_len = len < max_xfer - 8? len: max_xfer - 8; buf[2] = (this_len + 4) >> 8; buf[3] = (this_len + 4) & 0xff; buf[4] = TOKEN; buf[5] = 0; /* dummy */ u16_to_b2(buf + 6, PDATA(pgm)->command_sequence); memcpy(buf + 8, data, this_len); } else { this_len = len < max_xfer - 4? len: max_xfer - 4; buf[2] = (this_len) >> 8; buf[3] = (this_len) & 0xff; memcpy(buf + 4, data, this_len); } if (serial_send(&pgm->fd, buf, max_xfer) != 0) { avrdude_message(MSG_NOTICE, "%s: jtag3_edbg_send(): failed to send command to serial port\n", progname); return -1; } rv = serial_recv(&pgm->fd, status, max_xfer); if (rv < 0) { /* timeout in receive */ avrdude_message(MSG_NOTICE2, "%s: jtag3_edbg_send(): Timeout receiving packet\n", progname); return -1; } if (status[0] != EDBG_VENDOR_AVR_CMD || (frag == nfragments - 1 && status[1] != 0x01)) { /* what to do in this case? */ avrdude_message(MSG_NOTICE, "%s: jtag3_edbg_send(): Unexpected response 0x%02x, 0x%02x\n", progname, status[0], status[1]); } data += this_len; len -= this_len; } return 0; } /* * Send out all the CMSIS-DAP stuff needed to prepare the ICE. */ static int jtag3_edbg_prepare(const PROGRAMMER *pgm) { unsigned char buf[USBDEV_MAX_XFER_3]; unsigned char status[USBDEV_MAX_XFER_3]; int rv; avrdude_message(MSG_DEBUG, "\n%s: jtag3_edbg_prepare()\n", progname); if (verbose >= 4) memset(buf, 0, USBDEV_MAX_XFER_3); buf[0] = CMSISDAP_CMD_CONNECT; buf[1] = CMSISDAP_CONN_SWD; if (serial_send(&pgm->fd, buf, pgm->fd.usb.max_xfer) != 0) { avrdude_message(MSG_INFO, "%s: jtag3_edbg_prepare(): failed to send command to serial port\n", progname); return -1; } rv = serial_recv(&pgm->fd, status, pgm->fd.usb.max_xfer); if (rv != pgm->fd.usb.max_xfer) { avrdude_message(MSG_INFO, "%s: jtag3_edbg_prepare(): failed to read from serial port (%d)\n", progname, rv); return -1; } if (status[0] != CMSISDAP_CMD_CONNECT || status[1] == 0) avrdude_message(MSG_INFO, "%s: jtag3_edbg_prepare(): unexpected response 0x%02x, 0x%02x\n", progname, status[0], status[1]); avrdude_message(MSG_NOTICE2, "%s: jtag3_edbg_prepare(): connection status 0x%02x\n", progname, status[1]); buf[0] = CMSISDAP_CMD_LED; buf[1] = CMSISDAP_LED_CONNECT; buf[2] = 1; if (serial_send(&pgm->fd, buf, pgm->fd.usb.max_xfer) != 0) { avrdude_message(MSG_INFO, "%s: jtag3_edbg_prepare(): failed to send command to serial port\n", progname); return -1; } rv = serial_recv(&pgm->fd, status, pgm->fd.usb.max_xfer); if (rv != pgm->fd.usb.max_xfer) { avrdude_message(MSG_INFO, "%s: jtag3_edbg_prepare(): failed to read from serial port (%d)\n", progname, rv); return -1; } if (status[0] != CMSISDAP_CMD_LED || status[1] != 0) avrdude_message(MSG_INFO, "%s: jtag3_edbg_prepare(): unexpected response 0x%02x, 0x%02x\n", progname, status[0], status[1]); return 0; } /* * Send out all the CMSIS-DAP stuff when signing off. */ static int jtag3_edbg_signoff(const PROGRAMMER *pgm) { unsigned char buf[USBDEV_MAX_XFER_3]; unsigned char status[USBDEV_MAX_XFER_3]; int rv; avrdude_message(MSG_DEBUG, "\n%s: jtag3_edbg_signoff()\n", progname); if (verbose >= 4) memset(buf, 0, USBDEV_MAX_XFER_3); buf[0] = CMSISDAP_CMD_LED; buf[1] = CMSISDAP_LED_CONNECT; buf[2] = 0; if (serial_send(&pgm->fd, buf, pgm->fd.usb.max_xfer) != 0) { avrdude_message(MSG_NOTICE, "%s: jtag3_edbg_signoff(): failed to send command to serial port\n", progname); return -1; } rv = serial_recv(&pgm->fd, status, pgm->fd.usb.max_xfer); if (rv != pgm->fd.usb.max_xfer) { avrdude_message(MSG_NOTICE, "%s: jtag3_edbg_signoff(): failed to read from serial port (%d)\n", progname, rv); return -1; } if (status[0] != CMSISDAP_CMD_LED || status[1] != 0) avrdude_message(MSG_NOTICE, "%s: jtag3_edbg_signoff(): unexpected response 0x%02x, 0x%02x\n", progname, status[0], status[1]); buf[0] = CMSISDAP_CMD_DISCONNECT; if (serial_send(&pgm->fd, buf, pgm->fd.usb.max_xfer) != 0) { avrdude_message(MSG_NOTICE, "%s: jtag3_edbg_signoff(): failed to send command to serial port\n", progname); return -1; } rv = serial_recv(&pgm->fd, status, pgm->fd.usb.max_xfer); if (rv != pgm->fd.usb.max_xfer) { avrdude_message(MSG_NOTICE, "%s: jtag3_edbg_signoff(): failed to read from serial port (%d)\n", progname, rv); return -1; } if (status[0] != CMSISDAP_CMD_DISCONNECT || status[1] != 0) avrdude_message(MSG_NOTICE, "%s: jtag3_edbg_signoff(): unexpected response 0x%02x, 0x%02x\n", progname, status[0], status[1]); return 0; } static int jtag3_drain(const PROGRAMMER *pgm, int display) { return serial_drain(&pgm->fd, display); } /* * Receive one frame, return it in *msg. Received sequence number is * returned in seqno. Any valid frame will be returned, regardless * whether it matches the expected sequence number, including event * notification frames (seqno == 0xffff). * * Caller must eventually free the buffer. */ static int jtag3_recv_frame(const PROGRAMMER *pgm, unsigned char **msg) { int rv; unsigned char *buf = NULL; if (pgm->flag & PGM_FL_IS_EDBG) return jtag3_edbg_recv_frame(pgm, msg); avrdude_message(MSG_TRACE, "%s: jtag3_recv():\n", progname); if ((buf = malloc(pgm->fd.usb.max_xfer)) == NULL) { avrdude_message(MSG_INFO, "%s: jtag3_recv(): out of memory\n", progname); return -1; } if (verbose >= 4) memset(buf, 0, pgm->fd.usb.max_xfer); rv = serial_recv(&pgm->fd, buf, pgm->fd.usb.max_xfer); if (rv < 0) { /* timeout in receive */ avrdude_message(MSG_NOTICE2, "%s: jtag3_recv(): Timeout receiving packet\n", progname); free(buf); return -1; } *msg = buf; return rv; } static int jtag3_edbg_recv_frame(const PROGRAMMER *pgm, unsigned char **msg) { int rv, len = 0; unsigned char *buf = NULL; unsigned char *request; avrdude_message(MSG_TRACE, "%s: jtag3_edbg_recv():\n", progname); if ((buf = malloc(USBDEV_MAX_XFER_3)) == NULL) { avrdude_message(MSG_NOTICE, "%s: jtag3_edbg_recv(): out of memory\n", progname); return -1; } if ((request = malloc(pgm->fd.usb.max_xfer)) == NULL) { avrdude_message(MSG_NOTICE, "%s: jtag3_edbg_recv(): out of memory\n", progname); free(buf); return -1; } *msg = buf; int nfrags = 0; int thisfrag = 0; do { request[0] = EDBG_VENDOR_AVR_RSP; if (serial_send(&pgm->fd, request, pgm->fd.usb.max_xfer) != 0) { avrdude_message(MSG_NOTICE, "%s: jtag3_edbg_recv(): error sending CMSIS-DAP vendor command\n", progname); free(request); free(*msg); return -1; } rv = serial_recv(&pgm->fd, buf, pgm->fd.usb.max_xfer); if (rv < 0) { /* timeout in receive */ avrdude_message(MSG_NOTICE2, "%s: jtag3_edbg_recv(): Timeout receiving packet\n", progname); free(*msg); free(request); return -1; } if (buf[0] != EDBG_VENDOR_AVR_RSP) { avrdude_message(MSG_NOTICE, "%s: jtag3_edbg_recv(): Unexpected response 0x%02x\n", progname, buf[0]); free(*msg); free(request); return -1; } if (buf[1] == 0) { // Documentation says: // "FragmentInfo 0x00 indicates that no response data is // available, and the rest of the packet is ignored." avrdude_message(MSG_NOTICE, "%s: jtag3_edbg_recv(): " "No response available\n", progname); free(*msg); free(request); return -1; } /* calculate fragment information */ if (thisfrag == 0) { /* first fragment */ nfrags = buf[1] & 0x0F; thisfrag = 1; } else { if (nfrags != (buf[1] & 0x0F)) { avrdude_message(MSG_NOTICE, "%s: jtag3_edbg_recv(): " "Inconsistent # of fragments; had %d, now %d\n", progname, nfrags, (buf[1] & 0x0F)); free(*msg); free(request); return -1; } } if (thisfrag != ((buf[1] >> 4) & 0x0F)) { avrdude_message(MSG_NOTICE, "%s: jtag3_edbg_recv(): " "Inconsistent fragment number; expect %d, got %d\n", progname, thisfrag, ((buf[1] >> 4) & 0x0F)); free(*msg); free(request); return -1; } int thislen = (buf[2] << 8) | buf[3]; if (thislen > rv + 4) { avrdude_message(MSG_NOTICE, "%s: jtag3_edbg_recv(): Unexpected length value (%d > %d)\n", progname, thislen, rv + 4); thislen = rv + 4; } if (len + thislen > USBDEV_MAX_XFER_3) { avrdude_message(MSG_NOTICE, "%s: jtag3_edbg_recv(): Length exceeds max size (%d > %d)\n", progname, len + thislen, USBDEV_MAX_XFER_3); thislen = USBDEV_MAX_XFER_3 - len; } memmove(buf, buf + 4, thislen); thisfrag++; len += thislen; buf += thislen; } while (thisfrag <= nfrags); free(request); return len; } int jtag3_recv(const PROGRAMMER *pgm, unsigned char **msg) { unsigned short r_seqno; int rv; for (;;) { if ((rv = jtag3_recv_frame(pgm, msg)) <= 0) return rv; if ((rv & USB_RECV_FLAG_EVENT) != 0) { if (verbose >= 3) jtag3_prevent(pgm, *msg, rv & USB_RECV_LENGTH_MASK); free(*msg); continue; } rv &= USB_RECV_LENGTH_MASK; r_seqno = ((*msg)[2] << 8) | (*msg)[1]; avrdude_message(MSG_DEBUG, "%s: jtag3_recv(): " "Got message seqno %d (command_sequence == %d)\n", progname, r_seqno, PDATA(pgm)->command_sequence); if (r_seqno == PDATA(pgm)->command_sequence) { if (++(PDATA(pgm)->command_sequence) == 0xffff) PDATA(pgm)->command_sequence = 0; /* * We move the payload to the beginning of the buffer, to make * the job easier for the caller. We have to return the * original pointer though, as the caller must free() it. */ rv -= 3; memmove(*msg, *msg + 3, rv); return rv; } avrdude_message(MSG_NOTICE2, "%s: jtag3_recv(): " "got wrong sequence number, %u != %u\n", progname, r_seqno, PDATA(pgm)->command_sequence); free(*msg); } } int jtag3_command(const PROGRAMMER *pgm, unsigned char *cmd, unsigned int cmdlen, unsigned char **resp, const char *descr) { int status; unsigned char c; avrdude_message(MSG_NOTICE2, "%s: Sending %s command: ", progname, descr); jtag3_send(pgm, cmd, cmdlen); status = jtag3_recv(pgm, resp); if (status <= 0) { if (verbose >= 2) putc('\n', stderr); avrdude_message(MSG_NOTICE2, "%s: %s command: timeout/error communicating with programmer (status %d)\n", progname, descr, status); return LIBAVRDUDE_GENERAL_FAILURE; } else if (verbose >= 3) { putc('\n', stderr); jtag3_prmsg(pgm, *resp, status); } else { avrdude_message(MSG_NOTICE2, "0x%02x (%d bytes msg)\n", (*resp)[1], status); } c = (*resp)[1] & RSP3_STATUS_MASK; if (c != RSP3_OK) { if ((c == RSP3_FAILED) && ((*resp)[3] == RSP3_FAIL_OCD_LOCKED || (*resp)[3] == RSP3_FAIL_CRC_FAILURE)) { avrdude_message(MSG_INFO, "%s: Device is locked! Chip erase required to unlock.\n", progname); } else { avrdude_message(MSG_NOTICE, "%s: bad response to %s command: 0x%02x\n", progname, descr, c); } status = (*resp)[3]; free(*resp); resp = 0; return jtag3_errcode(status); } return status; } int jtag3_getsync(const PROGRAMMER *pgm, int mode) { unsigned char buf[3], *resp; avrdude_message(MSG_DEBUG, "%s: jtag3_getsync()\n", progname); /* XplainedMini boards do not need this, and early revisions had a * firmware bug where they complained about it. */ if ((pgm->flag & PGM_FL_IS_EDBG) && !matches(ldata(lfirst(pgm->id)), "xplainedmini")) { if (jtag3_edbg_prepare(pgm) < 0) { return -1; } } /* Get the sign-on information. */ buf[0] = SCOPE_GENERAL; buf[1] = CMD3_SIGN_ON; buf[2] = 0; if (jtag3_command(pgm, buf, 3, &resp, "sign-on") < 0) return -1; free(resp); return 0; } /* * issue the 'chip erase' command to the AVR device */ static int jtag3_chip_erase(const PROGRAMMER *pgm, const AVRPART *p) { unsigned char buf[8], *resp; buf[0] = SCOPE_AVR; buf[1] = CMD3_ERASE_MEMORY; buf[2] = 0; buf[3] = XMEGA_ERASE_CHIP; buf[4] = buf[5] = buf[6] = buf[7] = 0; /* page address */ if (jtag3_command(pgm, buf, 8, &resp, "chip erase") < 0) return -1; free(resp); return 0; } /* * UPDI 'unlock' -> 'enter progmode' with chip erase key */ static int jtag3_unlock_erase_key(const PROGRAMMER *pgm, const AVRPART *p) { unsigned char buf[8], *resp; buf[0] = 1; /* Enable */ if (jtag3_setparm(pgm, SCOPE_AVR, SET_GET_CTXT_OPTIONS, PARM3_OPT_CHIP_ERASE_TO_ENTER, buf, 1) < 0) return -1; buf[0] = SCOPE_AVR; buf[1] = CMD3_ENTER_PROGMODE; buf[2] = 0; if (jtag3_command(pgm, buf, 3, &resp, "enter progmode") < 0) return -1; PDATA(pgm)->prog_enabled = 1; buf[0] = 0; /* Disable */ if (jtag3_setparm(pgm, SCOPE_AVR, SET_GET_CTXT_OPTIONS, PARM3_OPT_CHIP_ERASE_TO_ENTER, buf, 1) < 0) return -1; free(resp); return 0; } /* * There is no chip erase functionality in debugWire mode. */ static int jtag3_chip_erase_dw(const PROGRAMMER *pgm, const AVRPART *p) { avrdude_message(MSG_INFO, "%s: Chip erase not supported in debugWire mode\n", progname); return 0; } static int jtag3_program_enable_dummy(const PROGRAMMER *pgm, const AVRPART *p) { return 0; } static int jtag3_program_enable(const PROGRAMMER *pgm) { unsigned char buf[3], *resp; int status; if (PDATA(pgm)->prog_enabled) return 0; buf[0] = SCOPE_AVR; buf[1] = CMD3_ENTER_PROGMODE; buf[2] = 0; if ((status = jtag3_command(pgm, buf, 3, &resp, "enter progmode")) >= 0) { free(resp); PDATA(pgm)->prog_enabled = 1; return LIBAVRDUDE_SUCCESS; } return status; } static int jtag3_program_disable(const PROGRAMMER *pgm) { unsigned char buf[3], *resp; if (!PDATA(pgm)->prog_enabled) return 0; buf[0] = SCOPE_AVR; buf[1] = CMD3_LEAVE_PROGMODE; buf[2] = 0; if (jtag3_command(pgm, buf, 3, &resp, "leave progmode") < 0) return -1; free(resp); PDATA(pgm)->prog_enabled = 0; return 0; } static int jtag3_set_sck_xmega_pdi(const PROGRAMMER *pgm, unsigned char *clk) { return jtag3_setparm(pgm, SCOPE_AVR, 1, PARM3_CLK_XMEGA_PDI, clk, 2); } static int jtag3_set_sck_xmega_jtag(const PROGRAMMER *pgm, unsigned char *clk) { return jtag3_setparm(pgm, SCOPE_AVR, 1, PARM3_CLK_XMEGA_JTAG, clk, 2); } static int jtag3_set_sck_mega_jtag(const PROGRAMMER *pgm, unsigned char *clk) { return jtag3_setparm(pgm, SCOPE_AVR, 1, PARM3_CLK_MEGA_PROG, clk, 2); } /* * initialize the AVR device and prepare it to accept commands */ static int jtag3_initialize(const PROGRAMMER *pgm, const AVRPART *p) { unsigned char conn = 0, parm[4]; const char *ifname; unsigned char cmd[4], *resp; int status; /* * At least, as of firmware 2.12, the JTAGICE3 doesn't handle * splitting packets correctly. On a large transfer, the first * split packets are correct, but remaining packets contain just * garbage. * * We move the check here so in case future firmware versions fix * this, the check below can be made dependended on the actual * firmware level. Retrieving the firmware version can always be * accomplished with USB 1.1 (64 byte max) packets. * * Allow to override the check by -F (so users could try on newer * firmware), but warn loudly. */ if (jtag3_getparm(pgm, SCOPE_GENERAL, 0, PARM3_FW_MAJOR, parm, 2) < 0) return -1; if (pgm->fd.usb.max_xfer < USBDEV_MAX_XFER_3 && (pgm->flag & PGM_FL_IS_EDBG) == 0) { avrdude_message(MSG_INFO, "%s: the JTAGICE3's firmware %d.%d is broken on USB 1.1 connections, sorry\n", progname, parm[0], parm[1]); if (ovsigck) { avrdude_message(MSG_INFO, "%s: forced to continue by option -F; THIS PUTS THE DEVICE'S DATA INTEGRITY AT RISK!\n", progname); } else { return -1; } } if (pgm->flag & PGM_FL_IS_DW) { ifname = "debugWire"; if (p->prog_modes & PM_debugWIRE) conn = PARM3_CONN_DW; } else if (pgm->flag & PGM_FL_IS_PDI) { ifname = "PDI"; if (p->prog_modes & PM_PDI) conn = PARM3_CONN_PDI; } else if (pgm->flag & PGM_FL_IS_UPDI) { ifname = "UPDI"; if (p->prog_modes & PM_UPDI) conn = PARM3_CONN_UPDI; } else { ifname = "JTAG"; if (p->prog_modes & (PM_JTAG | PM_JTAGmkI | PM_XMEGAJTAG | PM_AVR32JTAG)) conn = PARM3_CONN_JTAG; } if (conn == 0) { avrdude_message(MSG_INFO, "%s: jtag3_initialize(): part %s has no %s interface\n", progname, p->desc, ifname); return -1; } if (p->prog_modes & PM_PDI) parm[0] = PARM3_ARCH_XMEGA; else if (p->prog_modes & PM_UPDI) parm[0] = PARM3_ARCH_UPDI; else if (p->prog_modes & PM_debugWIRE) parm[0] = PARM3_ARCH_TINY; else parm[0] = PARM3_ARCH_MEGA; if (jtag3_setparm(pgm, SCOPE_AVR, 0, PARM3_ARCH, parm, 1) < 0) return -1; parm[0] = PARM3_SESS_PROGRAMMING; if (jtag3_setparm(pgm, SCOPE_AVR, 0, PARM3_SESS_PURPOSE, parm, 1) < 0) return -1; parm[0] = conn; if (jtag3_setparm(pgm, SCOPE_AVR, 1, PARM3_CONNECTION, parm, 1) < 0) return -1; if (conn == PARM3_CONN_PDI || conn == PARM3_CONN_UPDI) PDATA(pgm)->set_sck = jtag3_set_sck_xmega_pdi; else if (conn == PARM3_CONN_JTAG) { if (p->prog_modes & PM_PDI) PDATA(pgm)->set_sck = jtag3_set_sck_xmega_jtag; else PDATA(pgm)->set_sck = jtag3_set_sck_mega_jtag; } if (pgm->bitclock != 0.0 && PDATA(pgm)->set_sck != NULL) { unsigned int clock = 1E-3 / pgm->bitclock; /* kHz */ avrdude_message(MSG_NOTICE2, "%s: jtag3_initialize(): " "trying to set JTAG clock to %u kHz\n", progname, clock); parm[0] = clock & 0xff; parm[1] = (clock >> 8) & 0xff; if (PDATA(pgm)->set_sck(pgm, parm) < 0) return -1; } jtag3_print_parms1(pgm, progbuf); if (conn == PARM3_CONN_JTAG) { avrdude_message(MSG_NOTICE2, "%s: jtag3_initialize(): " "trying to set JTAG daisy-chain info to %d,%d,%d,%d\n", progname, PDATA(pgm)->jtagchain[0], PDATA(pgm)->jtagchain[1], PDATA(pgm)->jtagchain[2], PDATA(pgm)->jtagchain[3]); if (jtag3_setparm(pgm, SCOPE_AVR, 1, PARM3_JTAGCHAIN, PDATA(pgm)->jtagchain, 4) < 0) return -1; } /* set device descriptor data */ if ((p->prog_modes & PM_PDI)) { struct xmega_device_desc xd; LNODEID ln; AVRMEM * m; u16_to_b2(xd.nvm_base_addr, p->nvm_base); u16_to_b2(xd.mcu_base_addr, p->mcu_base); for (ln = lfirst(p->mem); ln; ln = lnext(ln)) { m = ldata(ln); if (strcmp(m->desc, "flash") == 0) { if (m->readsize != 0 && m->readsize < m->page_size) PDATA(pgm)->flash_pagesize = m->readsize; else PDATA(pgm)->flash_pagesize = m->page_size; u16_to_b2(xd.flash_page_size, m->page_size); } else if (strcmp(m->desc, "eeprom") == 0) { PDATA(pgm)->eeprom_pagesize = m->page_size; xd.eeprom_page_size = m->page_size; u16_to_b2(xd.eeprom_size, m->size); u32_to_b4(xd.nvm_eeprom_offset, m->offset); } else if (strcmp(m->desc, "application") == 0) { u32_to_b4(xd.app_size, m->size); u32_to_b4(xd.nvm_app_offset, m->offset); } else if (strcmp(m->desc, "boot") == 0) { u16_to_b2(xd.boot_size, m->size); u32_to_b4(xd.nvm_boot_offset, m->offset); } else if (strcmp(m->desc, "fuse1") == 0) { u32_to_b4(xd.nvm_fuse_offset, m->offset & ~7); } else if (matches(m->desc, "lock")) { u32_to_b4(xd.nvm_lock_offset, m->offset); } else if (strcmp(m->desc, "usersig") == 0 || strcmp(m->desc, "userrow") == 0) { u32_to_b4(xd.nvm_user_sig_offset, m->offset); } else if (strcmp(m->desc, "prodsig") == 0) { u32_to_b4(xd.nvm_prod_sig_offset, m->offset); } else if (strcmp(m->desc, "data") == 0) { u32_to_b4(xd.nvm_data_offset, m->offset); } } if (jtag3_setparm(pgm, SCOPE_AVR, 2, PARM3_DEVICEDESC, (unsigned char *)&xd, sizeof xd) < 0) return -1; } else if ((p->prog_modes & PM_UPDI)) { struct updi_device_desc xd; LNODEID ln; AVRMEM *m; u16_to_b2(xd.nvm_base_addr, p->nvm_base); u16_to_b2(xd.ocd_base_addr, p->ocd_base); xd.hvupdi_variant = p->hvupdi_variant; for (ln = lfirst(p->mem); ln; ln = lnext(ln)) { m = ldata(ln); if (strcmp(m->desc, "flash") == 0) { u16_to_b2(xd.prog_base, m->offset&0xFFFF); xd.prog_base_msb = m->offset>>16; if (m->readsize != 0 && m->readsize < m->page_size) PDATA(pgm)->flash_pagesize = m->readsize; else PDATA(pgm)->flash_pagesize = m->page_size; xd.flash_page_size = m->page_size & 0xFF; xd.flash_page_size_msb = (m->page_size)>>8; u32_to_b4(xd.flash_bytes, m->size); if (m->offset > 0xFFFF) xd.address_mode = UPDI_ADDRESS_MODE_24BIT; else xd.address_mode = UPDI_ADDRESS_MODE_16BIT; } else if (strcmp(m->desc, "eeprom") == 0) { PDATA(pgm)->eeprom_pagesize = m->page_size; xd.eeprom_page_size = m->page_size; u16_to_b2(xd.eeprom_bytes, m->size); u16_to_b2(xd.eeprom_base, m->offset); } else if (strcmp(m->desc, "usersig") == 0 || strcmp(m->desc, "userrow") == 0) { u16_to_b2(xd.user_sig_bytes, m->size); u16_to_b2(xd.user_sig_base, m->offset); } else if (strcmp(m->desc, "signature") == 0) { u16_to_b2(xd.signature_base, m->offset); xd.device_id[0] = p->signature[1]; xd.device_id[1] = p->signature[2]; } else if (strcmp(m->desc, "fuses") == 0) { xd.fuses_bytes = m->size; u16_to_b2(xd.fuses_base, m->offset); } else if (strcmp(m->desc, "lock") == 0) { u16_to_b2(xd.lockbits_base, m->offset); } } // Generate UPDI high-voltage pulse if user asks for it and hardware supports it LNODEID support; if (p->prog_modes & PM_UPDI && PDATA(pgm)->use_hvupdi == true && p->hvupdi_variant != HV_UPDI_VARIANT_1) { parm[0] = PARM3_UPDI_HV_NONE; for (support = lfirst(pgm->hvupdi_support); support != NULL; support = lnext(support)) { if(*(int *) ldata(support) == p->hvupdi_variant) { avrdude_message(MSG_NOTICE, "%s: Sending HV pulse to targets %s pin\n", progname, p->hvupdi_variant == HV_UPDI_VARIANT_0 ? "UPDI" : "RESET"); parm[0] = PARM3_UPDI_HV_SIMPLE_PULSE; break; } if (parm[0] == PARM3_UPDI_HV_NONE) { avrdude_message(MSG_INFO, "%s: %s does not support sending HV pulse to target %s\n", progname, pgm->desc, p->desc); return -1; } } if (jtag3_setparm(pgm, SCOPE_AVR, 3, PARM3_OPT_12V_UPDI_ENABLE, parm, 1) < 0) return -1; } u16_to_b2(xd.default_min_div1_voltage, DEFAULT_MINIMUM_CHARACTERISED_DIV1_VOLTAGE_MV); u16_to_b2(xd.default_min_div2_voltage, DEFAULT_MINIMUM_CHARACTERISED_DIV2_VOLTAGE_MV); u16_to_b2(xd.default_min_div4_voltage, DEFAULT_MINIMUM_CHARACTERISED_DIV4_VOLTAGE_MV); u16_to_b2(xd.default_min_div8_voltage, DEFAULT_MINIMUM_CHARACTERISED_DIV8_VOLTAGE_MV); u16_to_b2(xd.pdi_pad_fmax, MAX_FREQUENCY_SHARED_UPDI_PIN); xd.syscfg_offset = FUSES_SYSCFG0_OFFSET; xd.syscfg_write_mask_and = 0xFF; xd.syscfg_write_mask_or = 0x00; xd.syscfg_erase_mask_and = 0xFF; xd.syscfg_erase_mask_or = 0x00; avrdude_message(MSG_NOTICE2, "UPDI SET: \n\t" "xd->prog_base_msb=%x\n\t" "xd->prog_base=%x %x\n\t" "xd->flash_page_size_msb=%x\n\t" "xd->flash_page_size=%x\n\t" "xd->eeprom_page_size=%x\n\t" "xd->nvmctrl=%x %x\n\t" "xd->ocd=%x %x\n\t" "xd->address_mode=%x\n", xd.prog_base_msb, xd.prog_base[0], xd.prog_base[1], xd.flash_page_size_msb, xd.flash_page_size, xd.eeprom_page_size, xd.nvm_base_addr[0], xd.nvm_base_addr[1], xd.ocd_base_addr[0], xd.ocd_base_addr[1], xd.address_mode); if (jtag3_setparm(pgm, SCOPE_AVR, 2, PARM3_DEVICEDESC, (unsigned char *)&xd, sizeof xd) < 0) return -1; } else { struct mega_device_desc md; LNODEID ln; AVRMEM * m; unsigned int flashsize = 0; memset(&md, 0, sizeof md); for (ln = lfirst(p->mem); ln; ln = lnext(ln)) { m = ldata(ln); if (strcmp(m->desc, "flash") == 0) { if (m->readsize != 0 && m->readsize < m->page_size) PDATA(pgm)->flash_pagesize = m->readsize; else PDATA(pgm)->flash_pagesize = m->page_size; u16_to_b2(md.flash_page_size, m->page_size); u32_to_b4(md.flash_size, (flashsize = m->size)); // do we need it? just a wild guess u32_to_b4(md.boot_address, (m->size - m->page_size * 4) / 2); } else if (strcmp(m->desc, "eeprom") == 0) { PDATA(pgm)->eeprom_pagesize = m->page_size; md.eeprom_page_size = m->page_size; u16_to_b2(md.eeprom_size, m->size); } } //md.sram_offset[2] = p->sram; // do we need it? if (p->ocdrev == -1) { int ocdrev; /* lacking a proper definition, guess the OCD revision */ if (p->prog_modes & PM_debugWIRE) ocdrev = 1; /* exception: ATtiny13, 2313, 4313 */ else if (flashsize > 128 * 1024) ocdrev = 4; else ocdrev = 3; /* many exceptions from that, actually */ avrdude_message(MSG_INFO, "%s: part definition for %s lacks \"ocdrev\"; guessing %d\n", progname, p->desc, ocdrev); md.ocd_revision = ocdrev; } else { md.ocd_revision = p->ocdrev; } md.always_one = 1; md.allow_full_page_bitstream = (p->flags & AVRPART_ALLOWFULLPAGEBITSTREAM) != 0; md.idr_address = p->idr; unsigned char eecr = p->eecr? p->eecr: 0x3f; // Use default 0x3f if not set md.eearh_address = eecr - 0x20 + 3; md.eearl_address = eecr - 0x20 + 2; md.eecr_address = eecr - 0x20; md.eedr_address = eecr - 0x20 + 1; md.spmcr_address = p->spmcr; //md.osccal_address = p->osccal; // do we need it at all? if (jtag3_setparm(pgm, SCOPE_AVR, 2, PARM3_DEVICEDESC, (unsigned char *)&md, sizeof md) < 0) return -1; } int use_ext_reset; for (use_ext_reset = 0; use_ext_reset <= 1; use_ext_reset++) { cmd[0] = SCOPE_AVR; cmd[1] = CMD3_SIGN_ON; cmd[2] = 0; cmd[3] = use_ext_reset; /* external reset */ if ((status = jtag3_command(pgm, cmd, 4, &resp, "AVR sign-on")) >= 0) break; avrdude_message(MSG_NOTICE, "%s: retrying with external reset applied\n", progname); } if (use_ext_reset > 1) { if(strcmp(pgm->type, "JTAGICE3") == 0 && (p->prog_modes & (PM_JTAG | PM_JTAGmkI | PM_XMEGAJTAG | PM_AVR32JTAG))) avrdude_message(MSG_INFO, "%s: JTAGEN fuse disabled?\n", progname); return -1; } /* * Depending on the target connection, there are three different * possible replies of the ICE. For a JTAG connection, the reply * format is RSP3_DATA, followed by 4 bytes of the JTAG ID read from * the device (followed by a trailing 0). * For a UPDI connection the reply format is RSP3_DATA, followed by * 4 bytes of the SIB Family_ID read from the device (followed by a * trailing 0). * For all other connections * (except ISP which is handled completely differently, but that * doesn't apply here anyway), the response is just RSP_OK. */ if (resp[1] == RSP3_DATA && status >= 7) { if (p->prog_modes & PM_UPDI) { /* Partial Family_ID has been returned */ avrdude_message(MSG_NOTICE, "%s: Partial Family_ID returned: \"%c%c%c%c\"\n", progname, resp[3], resp[4], resp[5], resp[6]); } else /* JTAG ID has been returned */ avrdude_message(MSG_NOTICE, "%s: JTAG ID returned: 0x%02x 0x%02x 0x%02x 0x%02x\n", progname, resp[3], resp[4], resp[5], resp[6]); } free(resp); PDATA(pgm)->boot_start = ULONG_MAX; if (p->prog_modes & PM_PDI) { // Find the border between application and boot area AVRMEM *bootmem = avr_locate_mem(p, "boot"); AVRMEM *flashmem = avr_locate_mem(p, "flash"); if (bootmem == NULL || flashmem == NULL) { avrdude_message(MSG_INFO, "%s: jtagmk3_initialize(): Cannot locate \"flash\" and \"boot\" memories in description\n", progname); } else { PDATA(pgm)->boot_start = bootmem->offset - flashmem->offset; } } free(PDATA(pgm)->flash_pagecache); free(PDATA(pgm)->eeprom_pagecache); if ((PDATA(pgm)->flash_pagecache = malloc(PDATA(pgm)->flash_pagesize)) == NULL) { avrdude_message(MSG_INFO, "%s: jtag3_initialize(): Out of memory\n", progname); return -1; } if ((PDATA(pgm)->eeprom_pagecache = malloc(PDATA(pgm)->eeprom_pagesize)) == NULL) { avrdude_message(MSG_INFO, "%s: jtag3_initialize(): Out of memory\n", progname); free(PDATA(pgm)->flash_pagecache); return -1; } PDATA(pgm)->flash_pageaddr = PDATA(pgm)->eeprom_pageaddr = (unsigned long)-1L; return 0; } static void jtag3_disable(const PROGRAMMER *pgm) { free(PDATA(pgm)->flash_pagecache); PDATA(pgm)->flash_pagecache = NULL; free(PDATA(pgm)->eeprom_pagecache); PDATA(pgm)->eeprom_pagecache = NULL; /* * jtag3_program_disable() doesn't do anything if the * device is currently not in programming mode, so just * call it unconditionally here. */ (void)jtag3_program_disable(pgm); } static void jtag3_enable(PROGRAMMER *pgm, const AVRPART *p) { return; } static int jtag3_parseextparms(const PROGRAMMER *pgm, const LISTID extparms) { LNODEID ln; const char *extended_param; int rv = 0; for (ln = lfirst(extparms); ln; ln = lnext(ln)) { extended_param = ldata(ln); if (matches(extended_param, "jtagchain=")) { unsigned int ub, ua, bb, ba; if (sscanf(extended_param, "jtagchain=%u,%u,%u,%u", &ub, &ua, &bb, &ba) != 4) { avrdude_message(MSG_INFO, "%s: jtag3_parseextparms(): invalid JTAG chain '%s'\n", progname, extended_param); rv = -1; continue; } avrdude_message(MSG_NOTICE2, "%s: jtag3_parseextparms(): JTAG chain parsed as:\n" "%s %u units before, %u units after, %u bits before, %u bits after\n", progname, progbuf, ub, ua, bb, ba); PDATA(pgm)->jtagchain[0] = ub; PDATA(pgm)->jtagchain[1] = ua; PDATA(pgm)->jtagchain[2] = bb; PDATA(pgm)->jtagchain[3] = ba; continue; } else if ((strcmp(extended_param, "hvupdi") == 0) && (lsize(pgm->hvupdi_support) > 1)) { PDATA(pgm)->use_hvupdi = true; continue; } avrdude_message(MSG_INFO, "%s: jtag3_parseextparms(): invalid extended parameter '%s'\n", progname, extended_param); rv = -1; } return rv; } int jtag3_open_common(PROGRAMMER *pgm, const char *port) { union pinfo pinfo; LNODEID usbpid; int rv = -1; #if !defined(HAVE_LIBUSB) && !defined(HAVE_LIBHIDAPI) avrdude_message(MSG_INFO, "avrdude was compiled without USB or HIDAPI support.\n"); return -1; #endif if (!matches(port, "usb")) { avrdude_message(MSG_INFO, "%s: jtag3_open_common(): JTAGICE3/EDBG port names must start with \"usb\"\n", progname); return -1; } if (pgm->usbvid) pinfo.usbinfo.vid = pgm->usbvid; else pinfo.usbinfo.vid = USB_VENDOR_ATMEL; /* If the config entry did not specify a USB PID, insert the default one. */ if (lfirst(pgm->usbpid) == NULL) ladd(pgm->usbpid, (void *)USB_DEVICE_JTAGICE3); #if defined(HAVE_LIBHIDAPI) /* * Try HIDAPI first. LibUSB is more generic, but might then cause * troubles for HID-class devices in some OSes (like Windows). */ serdev = &usbhid_serdev; for (usbpid = lfirst(pgm->usbpid); rv < 0 && usbpid != NULL; usbpid = lnext(usbpid)) { pinfo.usbinfo.flags = PINFO_FL_SILENT; pinfo.usbinfo.pid = *(int *)(ldata(usbpid)); pgm->fd.usb.max_xfer = USBDEV_MAX_XFER_3; pgm->fd.usb.rep = USBDEV_BULK_EP_READ_3; pgm->fd.usb.wep = USBDEV_BULK_EP_WRITE_3; pgm->fd.usb.eep = 0; strcpy(pgm->port, port); rv = serial_open(port, pinfo, &pgm->fd); } if (rv < 0) { #endif /* HAVE_LIBHIDAPI */ #if defined(HAVE_LIBUSB) serdev = &usb_serdev_frame; for (usbpid = lfirst(pgm->usbpid); rv < 0 && usbpid != NULL; usbpid = lnext(usbpid)) { pinfo.usbinfo.flags = PINFO_FL_SILENT; pinfo.usbinfo.pid = *(int *)(ldata(usbpid)); pgm->fd.usb.max_xfer = USBDEV_MAX_XFER_3; pgm->fd.usb.rep = USBDEV_BULK_EP_READ_3; pgm->fd.usb.wep = USBDEV_BULK_EP_WRITE_3; pgm->fd.usb.eep = USBDEV_EVT_EP_READ_3; strcpy(pgm->port, port); rv = serial_open(port, pinfo, &pgm->fd); } #endif /* HAVE_LIBUSB */ #if defined(HAVE_LIBHIDAPI) } #endif if (rv < 0) { avrdude_message(MSG_INFO, "%s: jtag3_open_common(): Did not find any device matching VID 0x%04x and PID list: ", progname, (unsigned)pinfo.usbinfo.vid); int notfirst = 0; for (usbpid = lfirst(pgm->usbpid); usbpid != NULL; usbpid = lnext(usbpid)) { if (notfirst) avrdude_message(MSG_INFO, ", "); avrdude_message(MSG_INFO, "0x%04x", (unsigned int)(*(int *)(ldata(usbpid)))); notfirst = 1; } fputc('\n', stderr); return -1; } if (pgm->fd.usb.eep == 0) { /* The event EP has been deleted by usb_open(), so we are running on a CMSIS-DAP device, using EDBG protocol */ pgm->flag |= PGM_FL_IS_EDBG; avrdude_message(MSG_NOTICE, "%s: Found CMSIS-DAP compliant device, using EDBG protocol\n", progname); } /* * drain any extraneous input */ jtag3_drain(pgm, 0); return 0; } static int jtag3_open(PROGRAMMER *pgm, const char *port) { avrdude_message(MSG_NOTICE2, "%s: jtag3_open()\n", progname); if (jtag3_open_common(pgm, port) < 0) return -1; if (jtag3_getsync(pgm, PARM3_CONN_JTAG) < 0) return -1; return 0; } static int jtag3_open_dw(PROGRAMMER *pgm, const char *port) { avrdude_message(MSG_NOTICE2, "%s: jtag3_open_dw()\n", progname); if (jtag3_open_common(pgm, port) < 0) return -1; if (jtag3_getsync(pgm, PARM3_CONN_DW) < 0) return -1; return 0; } static int jtag3_open_pdi(PROGRAMMER *pgm, const char *port) { avrdude_message(MSG_NOTICE2, "%s: jtag3_open_pdi()\n", progname); if (jtag3_open_common(pgm, port) < 0) return -1; if (jtag3_getsync(pgm, PARM3_CONN_PDI) < 0) return -1; return 0; } static int jtag3_open_updi(PROGRAMMER *pgm, const char *port) { avrdude_message(MSG_NOTICE2, "%s: jtag3_open_updi()\n", progname); LNODEID ln; avrdude_message(MSG_NOTICE2, "%s: HV UPDI support:", progname); for (ln = lfirst(pgm->hvupdi_support); ln; ln = lnext(ln)) avrdude_message(MSG_NOTICE2, " %d", *(int *) ldata(ln)); avrdude_message(MSG_NOTICE2, "\n", progname); if (jtag3_open_common(pgm, port) < 0) return -1; if (jtag3_getsync(pgm, PARM3_CONN_UPDI) < 0) return -1; return 0; } void jtag3_close(PROGRAMMER * pgm) { unsigned char buf[4], *resp; avrdude_message(MSG_NOTICE2, "%s: jtag3_close()\n", progname); buf[0] = SCOPE_AVR; buf[1] = CMD3_SIGN_OFF; buf[2] = buf[3] = 0; if (jtag3_command(pgm, buf, 3, &resp, "AVR sign-off") >= 0) free(resp); buf[0] = SCOPE_GENERAL; buf[1] = CMD3_SIGN_OFF; if (jtag3_command(pgm, buf, 4, &resp, "sign-off") >= 0) free(resp); /* XplainedMini boards do not need this, and early revisions had a * firmware bug where they complained about it. */ if ((pgm->flag & PGM_FL_IS_EDBG) && !matches(ldata(lfirst(pgm->id)), "xplainedmini")) { jtag3_edbg_signoff(pgm); } serial_close(&pgm->fd); pgm->fd.ifd = -1; } static int jtag3_page_erase(const PROGRAMMER *pgm, const AVRPART *p, const AVRMEM *m, unsigned int addr) { unsigned char cmd[8], *resp; avrdude_message(MSG_NOTICE2, "%s: jtag3_page_erase(.., %s, 0x%x)\n", progname, m->desc, addr); if (!(p->prog_modes & PM_PDI)) { avrdude_message(MSG_INFO, "%s: jtag3_page_erase: not an Xmega device\n", progname); return -1; } if (jtag3_program_enable(pgm) < 0) return -1; cmd[0] = SCOPE_AVR; cmd[1] = CMD3_ERASE_MEMORY; cmd[2] = 0; if (strcmp(m->desc, "flash") == 0) { if (jtag3_memtype(pgm, p, addr) == MTYPE_FLASH) cmd[3] = XMEGA_ERASE_APP_PAGE; else cmd[3] = XMEGA_ERASE_BOOT_PAGE; } else if (strcmp(m->desc, "eeprom") == 0) { cmd[3] = XMEGA_ERASE_EEPROM_PAGE; } else if (strcmp(m->desc, "usersig") == 0 || strcmp(m->desc, "userrow") == 0) { cmd[3] = XMEGA_ERASE_USERSIG; } else if (strcmp(m->desc, "boot") == 0) { cmd[3] = XMEGA_ERASE_BOOT_PAGE; } else { cmd[3] = XMEGA_ERASE_APP_PAGE; } u32_to_b4(cmd + 4, addr + m->offset); if (jtag3_command(pgm, cmd, 8, &resp, "page erase") < 0) return -1; free(resp); return 0; } static int jtag3_paged_write(const PROGRAMMER *pgm, const AVRPART *p, const AVRMEM *m, unsigned int page_size, unsigned int addr, unsigned int n_bytes) { unsigned int block_size; unsigned int maxaddr = addr + n_bytes; unsigned char *cmd; unsigned char *resp; int status, dynamic_memtype = 0; long otimeout = serial_recv_timeout; avrdude_message(MSG_NOTICE2, "%s: jtag3_paged_write(.., %s, %d, 0x%lx, %d)\n", progname, m->desc, page_size, addr, n_bytes); block_size = jtag3_memaddr(pgm, p, m, addr); if(block_size != addr) avrdude_message(MSG_NOTICE2, " mapped to address: 0x%lx\n", block_size); block_size = 0; if (!(pgm->flag & PGM_FL_IS_DW) && jtag3_program_enable(pgm) < 0) return -1; if (page_size == 0) page_size = 256; if ((cmd = malloc(page_size + 13)) == NULL) { avrdude_message(MSG_INFO, "%s: jtag3_paged_write(): Out of memory\n", progname); return -1; } cmd[0] = SCOPE_AVR; cmd[1] = CMD3_WRITE_MEMORY; cmd[2] = 0; if (strcmp(m->desc, "flash") == 0) { PDATA(pgm)->flash_pageaddr = (unsigned long)-1L; cmd[3] = jtag3_memtype(pgm, p, addr); if (p->prog_modes & PM_PDI) /* dynamically decide between flash/boot memtype */ dynamic_memtype = 1; } else if (strcmp(m->desc, "eeprom") == 0) { if (pgm->flag & PGM_FL_IS_DW) { /* * jtag3_paged_write() to EEPROM attempted while in * DW mode. Use jtag3_write_byte() instead. */ for (; addr < maxaddr; addr++) { status = jtag3_write_byte(pgm, p, m, addr, m->buf[addr]); if (status < 0) { free(cmd); return -1; } } free(cmd); return n_bytes; } cmd[3] = p->prog_modes & (PM_PDI | PM_UPDI)? MTYPE_EEPROM_XMEGA: MTYPE_EEPROM_PAGE; PDATA(pgm)->eeprom_pageaddr = (unsigned long)-1L; } else if (strcmp(m->desc, "usersig") == 0 || strcmp(m->desc, "userrow") == 0) { cmd[3] = MTYPE_USERSIG; } else if (strcmp(m->desc, "boot") == 0) { cmd[3] = MTYPE_BOOT_FLASH; } else if (p->prog_modes & (PM_PDI | PM_UPDI)) { cmd[3] = MTYPE_FLASH; } else { cmd[3] = MTYPE_SPM; } serial_recv_timeout = 100; for (; addr < maxaddr; addr += page_size) { if ((maxaddr - addr) < page_size) block_size = maxaddr - addr; else block_size = page_size; avrdude_message(MSG_DEBUG, "%s: jtag3_paged_write(): " "block_size at addr %d is %d\n", progname, addr, block_size); if (dynamic_memtype) cmd[3] = jtag3_memtype(pgm, p, addr); u32_to_b4(cmd + 8, page_size); u32_to_b4(cmd + 4, jtag3_memaddr(pgm, p, m, addr)); cmd[12] = 0; /* * The JTAG ICE will refuse to write anything but a full page, at * least for the flash ROM. If a partial page has been requested, * set the remainder to 0xff. (Maybe we should rather read back * the existing contents instead before? Doesn't matter much, as * bits cannot be written to 1 anyway.) */ memset(cmd + 13, 0xff, page_size); memcpy(cmd + 13, m->buf + addr, block_size); if ((status = jtag3_command(pgm, cmd, page_size + 13, &resp, "write memory")) < 0) { free(cmd); serial_recv_timeout = otimeout; return -1; } free(resp); } free(cmd); serial_recv_timeout = otimeout; return n_bytes; } static int jtag3_paged_load(const PROGRAMMER *pgm, const AVRPART *p, const AVRMEM *m, unsigned int page_size, unsigned int addr, unsigned int n_bytes) { unsigned int block_size; unsigned int maxaddr = addr + n_bytes; unsigned char cmd[12]; unsigned char *resp; int status, dynamic_memtype = 0; long otimeout = serial_recv_timeout; avrdude_message(MSG_NOTICE2, "%s: jtag3_paged_load(.., %s, %d, 0x%lx, %d)\n", progname, m->desc, page_size, addr, n_bytes); block_size = jtag3_memaddr(pgm, p, m, addr); if(block_size != addr) avrdude_message(MSG_NOTICE2, " mapped to address: 0x%lx\n", block_size); block_size = 0; if (!(pgm->flag & PGM_FL_IS_DW) && jtag3_program_enable(pgm) < 0) return -1; page_size = m->readsize; cmd[0] = SCOPE_AVR; cmd[1] = CMD3_READ_MEMORY; cmd[2] = 0; if (strcmp(m->desc, "flash") == 0) { cmd[3] = jtag3_memtype(pgm, p, addr); if (p->prog_modes & PM_PDI) /* dynamically decide between flash/boot memtype */ dynamic_memtype = 1; } else if (strcmp(m->desc, "eeprom") == 0) { cmd[3] = p->prog_modes & (PM_PDI | PM_UPDI)? MTYPE_EEPROM: MTYPE_EEPROM_PAGE; if (pgm->flag & PGM_FL_IS_DW) return -1; } else if (strcmp(m->desc, "prodsig") == 0) { cmd[3] = MTYPE_PRODSIG; } else if (strcmp(m->desc, "usersig") == 0 || strcmp(m->desc, "userrow") == 0) { cmd[3] = MTYPE_USERSIG; } else if (strcmp(m->desc, "boot") == 0) { cmd[3] = MTYPE_BOOT_FLASH; } else if (p->prog_modes & PM_PDI) { cmd[3] = MTYPE_FLASH; } else if (p->prog_modes & PM_UPDI) { cmd[3] = MTYPE_SRAM; } else { cmd[3] = MTYPE_SPM; } serial_recv_timeout = 100; for (; addr < maxaddr; addr += page_size) { if ((maxaddr - addr) < page_size) block_size = maxaddr - addr; else block_size = page_size; avrdude_message(MSG_DEBUG, "%s: jtag3_paged_load(): " "block_size at addr %d is %d\n", progname, addr, block_size); if (dynamic_memtype) cmd[3] = jtag3_memtype(pgm, p, addr); u32_to_b4(cmd + 8, block_size); u32_to_b4(cmd + 4, jtag3_memaddr(pgm, p, m, addr)); if ((status = jtag3_command(pgm, cmd, 12, &resp, "read memory")) < 0) return -1; if (resp[1] != RSP3_DATA || status < block_size + 4) { avrdude_message(MSG_INFO, "%s: wrong/short reply to read memory command\n", progname); serial_recv_timeout = otimeout; free(resp); return -1; } memcpy(m->buf + addr, resp + 3, status - 4); free(resp); } serial_recv_timeout = otimeout; return n_bytes; } static int jtag3_read_byte(const PROGRAMMER *pgm, const AVRPART *p, const AVRMEM *mem, unsigned long addr, unsigned char * value) { unsigned char cmd[12]; unsigned char *resp, *cache_ptr = NULL; int status, unsupp = 0; unsigned long paddr = 0UL, *paddr_ptr = NULL; unsigned int pagesize = 0; avrdude_message(MSG_NOTICE2, "%s: jtag3_read_byte(.., %s, 0x%lx, ...)\n", progname, mem->desc, addr); paddr = jtag3_memaddr(pgm, p, mem, addr); if(paddr != addr) avrdude_message(MSG_NOTICE2, " mapped to address: 0x%lx\n", paddr); paddr = 0; if (!(pgm->flag & PGM_FL_IS_DW)) if ((status = jtag3_program_enable(pgm)) < 0) return status; cmd[0] = SCOPE_AVR; cmd[1] = CMD3_READ_MEMORY; cmd[2] = 0; cmd[3] = p->prog_modes & (PM_PDI | PM_UPDI)? MTYPE_FLASH: MTYPE_FLASH_PAGE; if (avr_mem_is_flash_type(mem)) { addr += mem->offset & (512 * 1024 - 1); /* max 512 KiB flash */ pagesize = PDATA(pgm)->flash_pagesize; paddr = addr & ~(pagesize - 1); paddr_ptr = &PDATA(pgm)->flash_pageaddr; cache_ptr = PDATA(pgm)->flash_pagecache; } else if (avr_mem_is_eeprom_type(mem)) { if ( (pgm->flag & PGM_FL_IS_DW) || (p->prog_modes & PM_PDI) || (p->prog_modes & PM_UPDI) ) { cmd[3] = MTYPE_EEPROM; } else { cmd[3] = MTYPE_EEPROM_PAGE; } pagesize = mem->page_size; paddr = addr & ~(pagesize - 1); paddr_ptr = &PDATA(pgm)->eeprom_pageaddr; cache_ptr = PDATA(pgm)->eeprom_pagecache; } else if (strcmp(mem->desc, "lfuse") == 0) { cmd[3] = MTYPE_FUSE_BITS; addr = 0; if (pgm->flag & PGM_FL_IS_DW) unsupp = 1; } else if (strcmp(mem->desc, "hfuse") == 0) { cmd[3] = MTYPE_FUSE_BITS; addr = 1; if (pgm->flag & PGM_FL_IS_DW) unsupp = 1; } else if (strcmp(mem->desc, "efuse") == 0) { cmd[3] = MTYPE_FUSE_BITS; addr = 2; if (pgm->flag & PGM_FL_IS_DW) unsupp = 1; } else if (matches(mem->desc, "lock")) { cmd[3] = MTYPE_LOCK_BITS; if (pgm->flag & PGM_FL_IS_DW) unsupp = 1; } else if (matches(mem->desc, "fuse")) { cmd[3] = MTYPE_FUSE_BITS; if (!(p->prog_modes & PM_UPDI)) addr = mem->offset & 7; } else if (strcmp(mem->desc, "usersig") == 0 || strcmp(mem->desc, "userrow") == 0) { cmd[3] = MTYPE_USERSIG; } else if (strcmp(mem->desc, "prodsig") == 0) { cmd[3] = MTYPE_PRODSIG; } else if (strcmp(mem->desc, "sernum") == 0) { cmd[3] = MTYPE_SIGN_JTAG; } else if (strcmp(mem->desc, "osccal16") == 0) { cmd[3] = MTYPE_SIGN_JTAG; } else if (strcmp(mem->desc, "osccal20") == 0) { cmd[3] = MTYPE_SIGN_JTAG; } else if (strcmp(mem->desc, "tempsense") == 0) { cmd[3] = MTYPE_SIGN_JTAG; } else if (strcmp(mem->desc, "osc16err") == 0) { cmd[3] = MTYPE_SIGN_JTAG; } else if (strcmp(mem->desc, "osc20err") == 0) { cmd[3] = MTYPE_SIGN_JTAG; } else if (strcmp(mem->desc, "calibration") == 0) { cmd[3] = MTYPE_OSCCAL_BYTE; if (pgm->flag & PGM_FL_IS_DW) unsupp = 1; } else if (strcmp(mem->desc, "signature") == 0) { static unsigned char signature_cache[2]; cmd[3] = MTYPE_SIGN_JTAG; /* * dW can read out the signature on JTAGICE3, but only allows * for a full three-byte read. We cache them in a local * variable to avoid multiple reads. This optimization does not * harm for other connection types either. */ u32_to_b4(cmd + 8, 3); u32_to_b4(cmd + 4, jtag3_memaddr(pgm, p, mem, addr)); if (addr == 0) { if ((status = jtag3_command(pgm, cmd, 12, &resp, "read memory")) < 0) return status; signature_cache[0] = resp[4]; signature_cache[1] = resp[5]; *value = resp[3]; free(resp); return 0; } else if (addr <= 2) { *value = signature_cache[addr - 1]; return 0; } else { /* should not happen */ avrdude_message(MSG_INFO, "address out of range for signature memory: %lu\n", addr); return -1; } } /* * If the respective memory area is not supported under debugWire, * leave here. */ if (unsupp) { *value = 42; return -1; } /* * To improve the read speed, we used paged reads for flash and * EEPROM, and cache the results in a page cache. * * Page cache validation is based on "{flash,eeprom}_pageaddr" * (holding the base address of the most recent cache fill * operation). This variable is set to (unsigned long)-1L when the * cache needs to be invalidated. */ if (pagesize && paddr == *paddr_ptr) { *value = cache_ptr[addr & (pagesize - 1)]; return 0; } if (pagesize) { u32_to_b4(cmd + 8, pagesize); u32_to_b4(cmd + 4, jtag3_memaddr(pgm, p, mem, paddr)); } else { u32_to_b4(cmd + 8, 1); u32_to_b4(cmd + 4, jtag3_memaddr(pgm, p, mem, addr)); } if ((status = jtag3_command(pgm, cmd, 12, &resp, "read memory")) < 0) return status; if (resp[1] != RSP3_DATA || status < (pagesize? pagesize: 1) + 4) { avrdude_message(MSG_INFO, "%s: wrong/short reply to read memory command\n", progname); free(resp); return -1; } if (pagesize) { *paddr_ptr = paddr; memcpy(cache_ptr, resp + 3, pagesize); *value = cache_ptr[addr & (pagesize - 1)]; } else *value = resp[3]; free(resp); return 0; } static int jtag3_write_byte(const PROGRAMMER *pgm, const AVRPART *p, const AVRMEM *mem, unsigned long addr, unsigned char data) { unsigned char cmd[14]; unsigned char *resp; unsigned char *cache_ptr = 0; int status, unsupp = 0; unsigned int pagesize = 0; unsigned long mapped_addr; avrdude_message(MSG_NOTICE2, "%s: jtag3_write_byte(.., %s, 0x%lx, ...)\n", progname, mem->desc, addr); mapped_addr = jtag3_memaddr(pgm, p, mem, addr); if(mapped_addr != addr) avrdude_message(MSG_NOTICE2, " mapped to address: 0x%lx\n", mapped_addr); cmd[0] = SCOPE_AVR; cmd[1] = CMD3_WRITE_MEMORY; cmd[2] = 0; cmd[3] = p->prog_modes & (PM_PDI | PM_UPDI)? MTYPE_FLASH: MTYPE_SPM; if (strcmp(mem->desc, "flash") == 0) { cache_ptr = PDATA(pgm)->flash_pagecache; pagesize = PDATA(pgm)->flash_pagesize; PDATA(pgm)->flash_pageaddr = (unsigned long)-1L; if (pgm->flag & PGM_FL_IS_DW) unsupp = 1; } else if (strcmp(mem->desc, "eeprom") == 0) { if (pgm->flag & PGM_FL_IS_DW) { cmd[3] = MTYPE_EEPROM; } else { cache_ptr = PDATA(pgm)->eeprom_pagecache; pagesize = PDATA(pgm)->eeprom_pagesize; } PDATA(pgm)->eeprom_pageaddr = (unsigned long)-1L; } else if (strcmp(mem->desc, "lfuse") == 0) { cmd[3] = MTYPE_FUSE_BITS; addr = 0; if (pgm->flag & PGM_FL_IS_DW) unsupp = 1; } else if (strcmp(mem->desc, "hfuse") == 0) { cmd[3] = MTYPE_FUSE_BITS; addr = 1; if (pgm->flag & PGM_FL_IS_DW) unsupp = 1; } else if (strcmp(mem->desc, "efuse") == 0) { cmd[3] = MTYPE_FUSE_BITS; addr = 2; if (pgm->flag & PGM_FL_IS_DW) unsupp = 1; } else if (matches(mem->desc, "fuse")) { cmd[3] = MTYPE_FUSE_BITS; if (!(p->prog_modes & PM_UPDI)) addr = mem->offset & 7; } else if (strcmp(mem->desc, "usersig") == 0 || strcmp(mem->desc, "userrow") == 0) { cmd[3] = MTYPE_USERSIG; } else if (strcmp(mem->desc, "prodsig") == 0) { cmd[3] = MTYPE_PRODSIG; } else if (matches(mem->desc, "lock")) { cmd[3] = MTYPE_LOCK_BITS; if (pgm->flag & PGM_FL_IS_DW) unsupp = 1; } else if (strcmp(mem->desc, "calibration") == 0) { cmd[3] = MTYPE_OSCCAL_BYTE; if (pgm->flag & PGM_FL_IS_DW) unsupp = 1; } else if (strcmp(mem->desc, "signature") == 0) { cmd[3] = MTYPE_SIGN_JTAG; if (pgm->flag & PGM_FL_IS_DW) unsupp = 1; } if (unsupp) return -1; if (pagesize != 0) { /* flash or EEPROM write: use paged algorithm */ unsigned char dummy; int i; /* step #1: ensure the page cache is up to date */ if (jtag3_read_byte(pgm, p, mem, addr, &dummy) < 0) return -1; /* step #2: update our value in page cache, and copy * cache to mem->buf */ cache_ptr[addr & (pagesize - 1)] = data; addr &= ~(pagesize - 1); /* page base address */ memcpy(mem->buf + addr, cache_ptr, pagesize); /* step #3: write back */ i = jtag3_paged_write(pgm, p, mem, pagesize, addr, pagesize); if (i < 0) return -1; else return 0; } /* non-paged writes go here */ if (!(pgm->flag & PGM_FL_IS_DW) && jtag3_program_enable(pgm) < 0) return -1; u32_to_b4(cmd + 8, 1); u32_to_b4(cmd + 4, jtag3_memaddr(pgm, p, mem, addr)); cmd[12] = 0; cmd[13] = data; if ((status = jtag3_command(pgm, cmd, 14, &resp, "write memory")) < 0) return status; free(resp); return 0; } /* * Set the JTAG clock. The actual frequency is quite a bit of * guesswork, based on the values claimed by AVR Studio. Inside the * JTAG ICE, the value is the delay count of a delay loop between the * JTAG clock edges. A count of 0 bypasses the delay loop. * * As the STK500 expresses it as a period length (and we actualy do * program a period length as well), we rather call it by that name. */ static int jtag3_set_sck_period(const PROGRAMMER *pgm, double v) { unsigned char parm[2]; unsigned int clock = 1E-3 / v; /* kHz */ parm[0] = clock & 0xff; parm[1] = (clock >> 8) & 0xff; if (PDATA(pgm)->set_sck == NULL) { avrdude_message(MSG_INFO, "%s: No backend to set the SCK period for\n", progname); return -1; } return (PDATA(pgm)->set_sck(pgm, parm) < 0)? -1: 0; } /* * Read (an) emulator parameter(s). */ int jtag3_getparm(const PROGRAMMER *pgm, unsigned char scope, unsigned char section, unsigned char parm, unsigned char *value, unsigned char length) { int status; unsigned char buf[6], *resp, c; char descr[60]; avrdude_message(MSG_NOTICE2, "%s: jtag3_getparm()\n", progname); buf[0] = scope; buf[1] = CMD3_GET_PARAMETER; buf[2] = 0; buf[3] = section; buf[4] = parm; buf[5] = length; sprintf(descr, "get parameter (scope 0x%02x, section %d, parm %d)", scope, section, parm); if ((status = jtag3_command(pgm, buf, 6, &resp, descr)) < 0) return -1; c = resp[1]; if (c != RSP3_DATA || status < 3) { avrdude_message(MSG_NOTICE, "%s: jtag3_getparm(): " "bad response to %s\n", progname, descr); free(resp); return -1; } status -= 3; memcpy(value, resp + 3, (length < status? length: status)); free(resp); return 0; } /* * Write an emulator parameter. */ int jtag3_setparm(const PROGRAMMER *pgm, unsigned char scope, unsigned char section, unsigned char parm, unsigned char *value, unsigned char length) { int status; unsigned char *buf, *resp; char descr[60]; avrdude_message(MSG_NOTICE2, "%s: jtag3_setparm()\n", progname); sprintf(descr, "set parameter (scope 0x%02x, section %d, parm %d)", scope, section, parm); if ((buf = malloc(6 + length)) == NULL) { avrdude_message(MSG_INFO, "%s: jtag3_setparm(): Out of memory\n", progname); return -1; } buf[0] = scope; buf[1] = CMD3_SET_PARAMETER; buf[2] = 0; buf[3] = section; buf[4] = parm; buf[5] = length; memcpy(buf + 6, value, length); status = jtag3_command(pgm, buf, length + 6, &resp, descr); free(buf); if (status > 0) free(resp); return status; } int jtag3_read_sib(const PROGRAMMER *pgm, const AVRPART *p, char *sib) { int status; unsigned char cmd[12]; unsigned char *resp = NULL; cmd[0] = SCOPE_AVR; cmd[1] = CMD3_READ_MEMORY; cmd[2] = 0; cmd[3] = MTYPE_SIB; u32_to_b4(cmd + 4, 0); u32_to_b4(cmd + 8, AVR_SIBLEN); if ((status = jtag3_command(pgm, cmd, 12, &resp, "read SIB")) < 0) return status; memcpy(sib, resp+3, AVR_SIBLEN); sib[AVR_SIBLEN] = 0; // Zero terminate string avrdude_message(MSG_DEBUG, "%s: jtag3_read_sib(): Received SIB: \"%s\"\n", progname, sib); free(resp); return 0; } int jtag3_set_vtarget(const PROGRAMMER *pgm, double v) { unsigned uaref, utarg; unsigned char buf[2]; utarg = (unsigned)(v * 1000); if (jtag3_getparm(pgm, SCOPE_GENERAL, 1, PARM3_VTARGET, buf, 2) < 0) { avrdude_message(MSG_INFO, "%s: jtag3_set_vtarget(): cannot obtain V[target]\n", progname); } uaref = b2_to_u16(buf); u16_to_b2(buf, utarg); avrdude_message(MSG_INFO, "%s: jtag3_set_vtarget(): changing V[target] from %.1f to %.1f\n", progname, uaref / 1000.0, v); if (jtag3_setparm(pgm, SCOPE_GENERAL, 1, PARM3_VADJUST, buf, sizeof(buf)) < 0) { avrdude_message(MSG_INFO, "%s: jtag3_set_vtarget(): cannot confirm new V[target] value\n", progname); return -1; } return 0; } static void jtag3_display(const PROGRAMMER *pgm, const char *p) { unsigned char parms[5]; unsigned char cmd[4], *resp, c; int status; /* * Ask for: * PARM3_HW_VER (1 byte) * PARM3_FW_MAJOR (1 byte) * PARM3_FW_MINOR (1 byte) * PARM3_FW_RELEASE (2 bytes) */ if (jtag3_getparm(pgm, SCOPE_GENERAL, 0, PARM3_HW_VER, parms, 5) < 0) return; cmd[0] = SCOPE_INFO; cmd[1] = CMD3_GET_INFO; cmd[2] = 0; cmd[3] = CMD3_INFO_SERIAL; if ((status = jtag3_command(pgm, cmd, 4, &resp, "get info (serial number)")) < 0) return; c = resp[1]; if (c != RSP3_INFO) { avrdude_message(MSG_INFO, "%s: jtag3_display(): response is not RSP3_INFO\n", progname); free(resp); return; } memmove(resp, resp + 3, status - 3); resp[status - 3] = 0; avrdude_message(MSG_INFO, "%sICE HW version : %d\n", p, parms[0]); avrdude_message(MSG_INFO, "%sICE FW version : %d.%02d (rel. %d)\n", p, parms[1], parms[2], (parms[3] | (parms[4] << 8))); avrdude_message(MSG_INFO, "%sSerial number : %s", p, resp); free(resp); } void jtag3_print_parms1(const PROGRAMMER *pgm, const char *p) { unsigned char buf[3]; if (jtag3_getparm(pgm, SCOPE_GENERAL, 1, PARM3_VTARGET, buf, 2) < 0) return; avrdude_message(MSG_INFO, "%sVtarget %s: %.2f V\n", p, verbose ? "" : " ", b2_to_u16(buf) / 1000.0); // Print features unique to the Power Debugger for(LNODEID ln=lfirst(pgm->id); ln; ln=lnext(ln)) { if(matches(ldata(ln), "powerdebugger")) { short analog_raw_data; // Read generator set voltage value (VOUT) if (jtag3_getparm(pgm, SCOPE_GENERAL, 1, PARM3_VADJUST, buf, 2) < 0) return; analog_raw_data = b2_to_u16(buf); avrdude_message(MSG_INFO, "%sVout set %s: %.2f V\n", p, verbose ? "" : " ", analog_raw_data / 1000.0); // Read measured generator voltage value (VOUT) if (jtag3_getparm(pgm, SCOPE_GENERAL, 1, PARM3_TSUP_VOLTAGE_MEAS, buf, 2) < 0) return; analog_raw_data = ((buf[0] & 0x0F) << 8) + buf[1]; if ((buf[0] & 0xF0) != 0x30) avrdude_message(MSG_INFO, "%s: jtag3_print_parms1(): invalid PARM3_TSUP_VOLTAGE_MEAS data packet format\n", progname); else { if (analog_raw_data & 0x0800) analog_raw_data |= 0xF000; avrdude_message(MSG_INFO, "%sVout measured %s: %.02f V\n", p, verbose ? "" : " ", ((float)analog_raw_data / -200.0)); } // Read channel A voltage if (jtag3_getparm(pgm, SCOPE_GENERAL, 1, PARM3_ANALOG_A_VOLTAGE, buf, 2) < 0) return; analog_raw_data = ((buf[0] & 0x0F) << 8) + buf[1]; if ((buf[0] & 0xF0) != 0x20) avrdude_message(MSG_INFO, "%s: jtag3_print_parms1(): invalid PARM3_ANALOG_A_VOLTAGE data packet format\n", progname); else { if (analog_raw_data & 0x0800) analog_raw_data |= 0xF000; avrdude_message(MSG_INFO, "%sCh A voltage %s: %.03f V\n", p, verbose ? "" : " ", ((float)analog_raw_data / -200.0)); } // Read channel A current if (jtag3_getparm(pgm, SCOPE_GENERAL, 1, PARM3_ANALOG_A_CURRENT, buf, 3) < 0) return; analog_raw_data = (buf[1] << 8) + buf[2]; if (buf[0] != 0x90) avrdude_message(MSG_INFO, "%s: jtag3_print_parms1(): invalid PARM3_ANALOG_A_CURRENT data packet format\n", progname); else avrdude_message(MSG_INFO, "%sCh A current %s: %.3f mA\n", p, verbose ? "" : " ", ((float)analog_raw_data * 0.003472)); // Read channel B voltage if (jtag3_getparm(pgm, SCOPE_GENERAL, 1, PARM3_ANALOG_B_VOLTAGE, buf, 2) < 0) return; analog_raw_data = ((buf[0] & 0x0F) << 8) + buf[1]; if ((buf[0] & 0xF0) != 0x10) avrdude_message(MSG_INFO, "%s: jtag3_print_parms1(): invalid PARM3_ANALOG_B_VOLTAGE data packet format\n", progname); else { if (analog_raw_data & 0x0800) analog_raw_data |= 0xF000; avrdude_message(MSG_INFO, "%sCh B voltage %s: %.03f V\n", p, verbose ? "" : " ", ((float)analog_raw_data / -200.0)); } // Read channel B current if (jtag3_getparm(pgm, SCOPE_GENERAL, 1, PARM3_ANALOG_B_CURRENT, buf, 3) < 0) return; analog_raw_data = ((buf[0] & 0x0F) << 8) + buf[1]; if ((buf[0] & 0xF0) != 0x00) avrdude_message(MSG_INFO, "%s: jtag3_print_parms1(): invalid PARM3_ANALOG_B_CURRENT data packet format\n", progname); else { if (analog_raw_data & 0x0800) analog_raw_data |= 0xF000; avrdude_message(MSG_INFO, "%sCh B current %s: %.3f mA\n", p, verbose ? "" : " ", ((float)analog_raw_data * 0.555556)); } break; } } if (jtag3_getparm(pgm, SCOPE_AVR, 1, PARM3_CLK_MEGA_PROG, buf, 2) < 0) return; if (b2_to_u16(buf) > 0) { avrdude_message(MSG_INFO, "%sJTAG clock megaAVR/program : %u kHz\n", p, b2_to_u16(buf)); } if (jtag3_getparm(pgm, SCOPE_AVR, 1, PARM3_CLK_MEGA_DEBUG, buf, 2) < 0) return; if (b2_to_u16(buf) > 0) { avrdude_message(MSG_INFO, "%sJTAG clock megaAVR/debug : %u kHz\n", p, b2_to_u16(buf)); } if (jtag3_getparm(pgm, SCOPE_AVR, 1, PARM3_CLK_XMEGA_JTAG, buf, 2) < 0) return; if (b2_to_u16(buf) > 0) { avrdude_message(MSG_INFO, "%sJTAG clock Xmega : %u kHz\n", p, b2_to_u16(buf)); } if (jtag3_getparm(pgm, SCOPE_AVR, 1, PARM3_CLK_XMEGA_PDI, buf, 2) < 0) return; if (b2_to_u16(buf) > 0) { avrdude_message(MSG_INFO, "%sPDI/UPDI clock Xmega/megaAVR : %u kHz\n", p, b2_to_u16(buf)); } } static void jtag3_print_parms(const PROGRAMMER *pgm) { jtag3_print_parms1(pgm, ""); } static unsigned char jtag3_memtype(const PROGRAMMER *pgm, const AVRPART *p, unsigned long addr) { if (p->prog_modes & PM_PDI) { if (addr >= PDATA(pgm)->boot_start) return MTYPE_BOOT_FLASH; else return MTYPE_FLASH; } else { return MTYPE_FLASH_PAGE; } } static unsigned int jtag3_memaddr(const PROGRAMMER *pgm, const AVRPART *p, const AVRMEM *m, unsigned long addr) { if (p->prog_modes & PM_PDI) { if (addr >= PDATA(pgm)->boot_start) /* * all memories but "flash" are smaller than boot_start anyway, so * no need for an extra check we are operating on "flash" */ return addr - PDATA(pgm)->boot_start; else /* normal flash, or anything else */ return addr; } // Non-Xmega device if (p->prog_modes & PM_UPDI) { if (strcmp(m->desc, "flash") == 0) { return addr; } else if (m->size == 1) { addr = m->offset; } else if (m->size > 1) { addr += m->offset; } } return addr; } const char jtag3_desc[] = "Atmel JTAGICE3"; void jtag3_initpgm(PROGRAMMER *pgm) { strcpy(pgm->type, "JTAGICE3"); /* * mandatory functions */ pgm->initialize = jtag3_initialize; pgm->display = jtag3_display; pgm->enable = jtag3_enable; pgm->disable = jtag3_disable; pgm->program_enable = jtag3_program_enable_dummy; pgm->chip_erase = jtag3_chip_erase; pgm->open = jtag3_open; pgm->close = jtag3_close; pgm->read_byte = jtag3_read_byte; pgm->write_byte = jtag3_write_byte; /* * optional functions */ pgm->paged_write = jtag3_paged_write; pgm->paged_load = jtag3_paged_load; pgm->page_erase = jtag3_page_erase; pgm->print_parms = jtag3_print_parms; pgm->set_sck_period = jtag3_set_sck_period; pgm->parseextparams = jtag3_parseextparms; pgm->setup = jtag3_setup; pgm->teardown = jtag3_teardown; pgm->page_size = 256; pgm->flag = PGM_FL_IS_JTAG; for(LNODEID ln=lfirst(pgm->id); ln; ln=lnext(ln)) { if (matches(ldata(ln), "powerdebugger")) { pgm->set_vtarget = jtag3_set_vtarget; break; } } } const char jtag3_dw_desc[] = "Atmel JTAGICE3 in debugWire mode"; void jtag3_dw_initpgm(PROGRAMMER *pgm) { strcpy(pgm->type, "JTAGICE3_DW"); /* * mandatory functions */ pgm->initialize = jtag3_initialize; pgm->display = jtag3_display; pgm->enable = jtag3_enable; pgm->disable = jtag3_disable; pgm->program_enable = jtag3_program_enable_dummy; pgm->chip_erase = jtag3_chip_erase_dw; pgm->open = jtag3_open_dw; pgm->close = jtag3_close; pgm->read_byte = jtag3_read_byte; pgm->write_byte = jtag3_write_byte; /* * optional functions */ pgm->paged_write = jtag3_paged_write; pgm->paged_load = jtag3_paged_load; pgm->print_parms = jtag3_print_parms; pgm->setup = jtag3_setup; pgm->teardown = jtag3_teardown; pgm->page_size = 256; pgm->flag = PGM_FL_IS_DW; for(LNODEID ln=lfirst(pgm->id); ln; ln=lnext(ln)) { if (matches(ldata(ln), "powerdebugger")) { pgm->set_vtarget = jtag3_set_vtarget; break; } } } const char jtag3_pdi_desc[] = "Atmel JTAGICE3 in PDI mode"; void jtag3_pdi_initpgm(PROGRAMMER *pgm) { strcpy(pgm->type, "JTAGICE3_PDI"); /* * mandatory functions */ pgm->initialize = jtag3_initialize; pgm->display = jtag3_display; pgm->enable = jtag3_enable; pgm->disable = jtag3_disable; pgm->program_enable = jtag3_program_enable_dummy; pgm->chip_erase = jtag3_chip_erase; pgm->open = jtag3_open_pdi; pgm->close = jtag3_close; pgm->read_byte = jtag3_read_byte; pgm->write_byte = jtag3_write_byte; /* * optional functions */ pgm->paged_write = jtag3_paged_write; pgm->paged_load = jtag3_paged_load; pgm->page_erase = jtag3_page_erase; pgm->print_parms = jtag3_print_parms; pgm->set_sck_period = jtag3_set_sck_period; pgm->setup = jtag3_setup; pgm->teardown = jtag3_teardown; pgm->page_size = 256; pgm->flag = PGM_FL_IS_PDI; for(LNODEID ln=lfirst(pgm->id); ln; ln=lnext(ln)) { if (matches(ldata(ln), "powerdebugger")) { pgm->set_vtarget = jtag3_set_vtarget; break; } } } const char jtag3_updi_desc[] = "Atmel JTAGICE3 in UPDI mode"; void jtag3_updi_initpgm(PROGRAMMER *pgm) { strcpy(pgm->type, "JTAGICE3_UPDI"); /* * mandatory functions */ pgm->initialize = jtag3_initialize; pgm->parseextparams = jtag3_parseextparms; pgm->display = jtag3_display; pgm->enable = jtag3_enable; pgm->disable = jtag3_disable; pgm->program_enable = jtag3_program_enable_dummy; pgm->chip_erase = jtag3_chip_erase; pgm->open = jtag3_open_updi; pgm->close = jtag3_close; pgm->read_byte = jtag3_read_byte; pgm->write_byte = jtag3_write_byte; /* * optional functions */ pgm->paged_write = jtag3_paged_write; pgm->paged_load = jtag3_paged_load; pgm->page_erase = jtag3_page_erase; pgm->print_parms = jtag3_print_parms; pgm->set_sck_period = jtag3_set_sck_period; pgm->setup = jtag3_setup; pgm->teardown = jtag3_teardown; pgm->page_size = 256; pgm->flag = PGM_FL_IS_UPDI; pgm->unlock = jtag3_unlock_erase_key; pgm->read_sib = jtag3_read_sib; for(LNODEID ln=lfirst(pgm->id); ln; ln=lnext(ln)) { if (matches(ldata(ln), "powerdebugger") || matches(ldata(ln), "pkob")) { pgm->set_vtarget = jtag3_set_vtarget; break; } } }