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jtagmkII.c
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jtagmkII.c
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/*
* avrdude - A Downloader/Uploader for AVR device programmers
* Copyright (C) 2005-2007 Joerg Wunsch <[email protected]>
*
* Derived from stk500 code which is:
* Copyright (C) 2002-2004 Brian S. Dean <[email protected]>
* Copyright (C) 2005 Erik Walthinsen
*
*
* 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 <http://www.gnu.org/licenses/>.
*/
/* $Id$ */
/*
* avrdude interface for Atmel JTAG ICE mkII programmer
*
* The AVR Dragon also uses the same protocol, so it is handled here
* as well.
*/
#include "ac_cfg.h"
#include <ctype.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <sys/time.h>
#include <time.h>
#include "avrdude.h"
#include "libavrdude.h"
#include "crc16.h"
#include "jtagmkII.h"
#include "jtagmkII_private.h"
#include "usbdevs.h"
/*
* Private data for this programmer.
*/
struct pdata
{
unsigned short command_sequence; /* Next cmd seqno to issue. */
/*
* See jtagmkII_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. */
unsigned char serno[6]; /* JTAG ICE serial number. */
/* JTAG chain stuff */
unsigned char jtagchain[4];
/* The length of the device descriptor is firmware-dependent. */
size_t device_descriptor_length;
/* Start address of Xmega boot area */
unsigned long boot_start;
/* Major firmware version (needed for Xmega programming) */
unsigned int fwver;
};
#define PDATA(pgm) ((struct pdata *)(pgm->cookie))
/*
* The OCDEN fuse is bit 7 of the high fuse (hfuse). In order to
* perform memory operations on MTYPE_SPM and MTYPE_EEPROM, OCDEN
* needs to be programmed.
*
* OCDEN should probably rather be defined via the configuration, but
* if this ever changes to a different fuse byte for one MCU, quite
* some code here needs to be generalized anyway.
*/
#define OCDEN (1 << 7)
#define RC(x) { x, #x },
static struct {
unsigned int code;
const char *descr;
} jtagresults[] = {
RC(RSP_DEBUGWIRE_SYNC_FAILED)
RC(RSP_FAILED)
RC(RSP_ILLEGAL_BREAKPOINT)
RC(RSP_ILLEGAL_COMMAND)
RC(RSP_ILLEGAL_EMULATOR_MODE)
RC(RSP_ILLEGAL_JTAG_ID)
RC(RSP_ILLEGAL_MCU_STATE)
RC(RSP_ILLEGAL_MEMORY_TYPE)
RC(RSP_ILLEGAL_MEMORY_RANGE)
RC(RSP_ILLEGAL_PARAMETER)
RC(RSP_ILLEGAL_POWER_STATE)
RC(RSP_ILLEGAL_VALUE)
RC(RSP_NO_TARGET_POWER)
RC(RSP_SET_N_PARAMETERS)
};
/*
* 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)
static int jtagmkII_open(PROGRAMMER * pgm, char * port);
static int jtagmkII_initialize(PROGRAMMER * pgm, AVRPART * p);
static int jtagmkII_chip_erase(PROGRAMMER * pgm, AVRPART * p);
static int jtagmkII_read_byte(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
unsigned long addr, unsigned char * value);
static int jtagmkII_write_byte(PROGRAMMER * pgm, AVRPART * p, AVRMEM * mem,
unsigned long addr, unsigned char data);
static int jtagmkII_reset(PROGRAMMER * pgm, unsigned char flags);
static int jtagmkII_set_sck_period(PROGRAMMER * pgm, double v);
static int jtagmkII_setparm(PROGRAMMER * pgm, unsigned char parm,
unsigned char * value);
static void jtagmkII_print_parms1(PROGRAMMER * pgm, const char * p);
static int jtagmkII_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
unsigned int page_size,
unsigned int addr, unsigned int n_bytes);
static unsigned char jtagmkII_memtype(PROGRAMMER * pgm, AVRPART * p, unsigned long addr);
static unsigned int jtagmkII_memaddr(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m, unsigned long addr);
// AVR32
#define ERROR_SAB 0xFFFFFFFF
static int jtagmkII_open32(PROGRAMMER * pgm, char * port);
static void jtagmkII_close32(PROGRAMMER * pgm);
static int jtagmkII_reset32(PROGRAMMER * pgm, unsigned short flags);
static int jtagmkII_initialize32(PROGRAMMER * pgm, AVRPART * p);
static int jtagmkII_chip_erase32(PROGRAMMER * pgm, AVRPART * p);
static unsigned long jtagmkII_read_SABaddr(PROGRAMMER * pgm, unsigned long addr,
unsigned int prefix); // ERROR_SAB illegal
static int jtagmkII_write_SABaddr(PROGRAMMER * pgm, unsigned long addr,
unsigned int prefix, unsigned long val);
static int jtagmkII_avr32_reset(PROGRAMMER * pgm, unsigned char val,
unsigned char ret1, unsigned char ret2);
static int jtagmkII_smc_init32(PROGRAMMER * pgm);
static int jtagmkII_paged_write32(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
unsigned int page_size,
unsigned int addr, unsigned int n_bytes);
static int jtagmkII_flash_lock32(PROGRAMMER * pgm, unsigned char lock,
unsigned int page);
static int jtagmkII_flash_erase32(PROGRAMMER * pgm, unsigned int page);
static int jtagmkII_flash_write_page32(PROGRAMMER * pgm, unsigned int page);
static int jtagmkII_flash_clear_pagebuffer32(PROGRAMMER * pgm);
static int jtagmkII_paged_load32(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
unsigned int page_size,
unsigned int addr, unsigned int n_bytes);
void jtagmkII_setup(PROGRAMMER * pgm)
{
if ((pgm->cookie = malloc(sizeof(struct pdata))) == 0) {
avrdude_message(MSG_INFO, "%s: jtagmkII_setup(): Out of memory allocating private data\n",
progname);
exit(1);
}
memset(pgm->cookie, 0, sizeof(struct pdata));
}
void jtagmkII_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 unsigned long
b4_to_u32r(unsigned char *b)
{
unsigned long l;
l = b[3];
l += (unsigned)b[2] << 8;
l += (unsigned)b[1] << 16;
l += (unsigned)b[0] << 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 void
u32_to_b4r(unsigned char *b, unsigned long l)
{
b[3] = l & 0xff;
b[2] = (l >> 8) & 0xff;
b[1] = (l >> 16) & 0xff;
b[0] = (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 const char *
jtagmkII_get_rc(unsigned int rc)
{
int i;
static char msg[50];
for (i = 0; i < sizeof jtagresults / sizeof jtagresults[0]; i++)
if (jtagresults[i].code == rc)
return jtagresults[i].descr;
sprintf(msg, "Unknown JTAG ICE mkII result code 0x%02x", rc);
return msg;
}
static void jtagmkII_print_memory(unsigned char *b, size_t s)
{
int i;
if (s < 2)
return;
for (i = 0; i < s - 1; i++) {
avrdude_message(MSG_INFO, "0x%02x ", b[i + 1]);
if (i % 16 == 15)
putc('\n', stderr);
else
putc(' ', stderr);
}
if (i % 16 != 0)
putc('\n', stderr);
}
static void jtagmkII_prmsg(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, "0x%02x", data[i]);
if (i % 16 == 15)
putc('\n', stderr);
else
putc(' ', stderr);
}
if (i % 16 != 0)
putc('\n', stderr);
}
switch (data[0]) {
case RSP_OK:
avrdude_message(MSG_INFO, "OK\n");
break;
case RSP_FAILED:
avrdude_message(MSG_INFO, "FAILED\n");
break;
case RSP_ILLEGAL_BREAKPOINT:
avrdude_message(MSG_INFO, "Illegal breakpoint\n");
break;
case RSP_ILLEGAL_COMMAND:
avrdude_message(MSG_INFO, "Illegal command\n");
break;
case RSP_ILLEGAL_EMULATOR_MODE:
avrdude_message(MSG_INFO, "Illegal emulator mode");
if (len > 1)
switch (data[1]) {
case EMULATOR_MODE_DEBUGWIRE: avrdude_message(MSG_INFO, ": DebugWire"); break;
case EMULATOR_MODE_JTAG: avrdude_message(MSG_INFO, ": JTAG"); break;
case EMULATOR_MODE_HV: avrdude_message(MSG_INFO, ": HVSP/PP"); break;
case EMULATOR_MODE_SPI: avrdude_message(MSG_INFO, ": SPI"); break;
case EMULATOR_MODE_JTAG_XMEGA: avrdude_message(MSG_INFO, ": JTAG/Xmega"); break;
}
putc('\n', stderr);
break;
case RSP_ILLEGAL_JTAG_ID:
avrdude_message(MSG_INFO, "Illegal JTAG ID\n");
break;
case RSP_ILLEGAL_MCU_STATE:
avrdude_message(MSG_INFO, "Illegal MCU state");
if (len > 1)
switch (data[1]) {
case STOPPED: avrdude_message(MSG_INFO, ": Stopped"); break;
case RUNNING: avrdude_message(MSG_INFO, ": Running"); break;
case PROGRAMMING: avrdude_message(MSG_INFO, ": Programming"); break;
}
putc('\n', stderr);
break;
case RSP_ILLEGAL_MEMORY_TYPE:
avrdude_message(MSG_INFO, "Illegal memory type\n");
break;
case RSP_ILLEGAL_MEMORY_RANGE:
avrdude_message(MSG_INFO, "Illegal memory range\n");
break;
case RSP_ILLEGAL_PARAMETER:
avrdude_message(MSG_INFO, "Illegal parameter\n");
break;
case RSP_ILLEGAL_POWER_STATE:
avrdude_message(MSG_INFO, "Illegal power state\n");
break;
case RSP_ILLEGAL_VALUE:
avrdude_message(MSG_INFO, "Illegal value\n");
break;
case RSP_NO_TARGET_POWER:
avrdude_message(MSG_INFO, "No target power\n");
break;
case RSP_SIGN_ON:
avrdude_message(MSG_INFO, "Sign-on succeeded\n");
/* Sign-on data will be printed below anyway. */
break;
case RSP_MEMORY:
avrdude_message(MSG_INFO, "memory contents:\n");
jtagmkII_print_memory(data, len);
break;
case RSP_PARAMETER:
avrdude_message(MSG_INFO, "parameter values:\n");
jtagmkII_print_memory(data, len);
break;
case RSP_SPI_DATA:
avrdude_message(MSG_INFO, "SPI data returned:\n");
for (i = 1; i < len; i++)
avrdude_message(MSG_INFO, "0x%02x ", data[i]);
putc('\n', stderr);
break;
case EVT_BREAK:
avrdude_message(MSG_INFO, "BREAK event");
if (len >= 6) {
avrdude_message(MSG_INFO, ", PC = 0x%lx, reason ", b4_to_u32(data + 1));
switch (data[5]) {
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[5]);
}
}
putc('\n', stderr);
break;
default:
avrdude_message(MSG_INFO, "unknown message 0x%02x\n", data[0]);
}
putc('\n', stderr);
}
int jtagmkII_send(PROGRAMMER * pgm, unsigned char * data, size_t len)
{
unsigned char *buf;
avrdude_message(MSG_DEBUG, "\n%s: jtagmkII_send(): sending %lu bytes\n",
progname, (unsigned long)len);
if ((buf = malloc(len + 10)) == NULL)
{
avrdude_message(MSG_INFO, "%s: jtagmkII_send(): out of memory",
progname);
return -1;
}
buf[0] = MESSAGE_START;
u16_to_b2(buf + 1, PDATA(pgm)->command_sequence);
u32_to_b4(buf + 3, len);
buf[7] = TOKEN;
memcpy(buf + 8, data, len);
crcappend(buf, len + 8);
if (serial_send(&pgm->fd, buf, len + 10) != 0) {
avrdude_message(MSG_INFO, "%s: jtagmkII_send(): failed to send command to serial port\n",
progname);
free(buf);
return -1;
}
free(buf);
return 0;
}
static int jtagmkII_drain(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 jtagmkII_recv_frame(PROGRAMMER * pgm, unsigned char **msg,
unsigned short * seqno) {
enum states { sSTART,
/* NB: do NOT change the sequence of the following: */
sSEQNUM1, sSEQNUM2,
sSIZE1, sSIZE2, sSIZE3, sSIZE4,
sTOKEN,
sDATA,
sCSUM1, sCSUM2,
/* end NB */
sDONE
} state = sSTART;
unsigned long msglen = 0, l = 0;
int headeridx = 0;
int timeout = 0;
int ignorpkt = 0;
int rv;
unsigned char c, *buf = NULL, header[8];
unsigned short r_seqno = 0;
unsigned short checksum = 0;
struct timeval tv;
double timeoutval = 100; /* seconds */
double tstart, tnow;
avrdude_message(MSG_TRACE, "%s: jtagmkII_recv():\n", progname);
gettimeofday(&tv, NULL);
tstart = tv.tv_sec;
while ( (state != sDONE ) && (!timeout) ) {
if (state == sDATA) {
rv = 0;
if (ignorpkt) {
/* skip packet's contents */
for(l = 0; l < msglen; l++)
rv += serial_recv(&pgm->fd, &c, 1);
} else {
rv += serial_recv(&pgm->fd, buf + 8, msglen);
}
if (rv != 0) {
timedout:
/* timeout in receive */
avrdude_message(MSG_NOTICE2, "%s: jtagmkII_recv(): Timeout receiving packet\n",
progname);
free(buf);
return -1;
}
} else {
if (serial_recv(&pgm->fd, &c, 1) != 0)
goto timedout;
}
checksum ^= c;
if (state < sDATA)
header[headeridx++] = c;
switch (state) {
case sSTART:
if (c == MESSAGE_START) {
state = sSEQNUM1;
} else {
headeridx = 0;
}
break;
case sSEQNUM1:
case sSEQNUM2:
r_seqno >>= 8;
r_seqno |= ((unsigned)c << 8);
state++;
break;
case sSIZE1:
case sSIZE2:
case sSIZE3:
case sSIZE4:
msglen >>= 8;
msglen |= ((unsigned)c << 24);
state++;
break;
case sTOKEN:
if (c == TOKEN) {
state = sDATA;
if (msglen > MAX_MESSAGE) {
avrdude_message(MSG_INFO, "%s: jtagmkII_recv(): msglen %lu exceeds max message "
"size %u, ignoring message\n",
progname, msglen, MAX_MESSAGE);
state = sSTART;
headeridx = 0;
} else if ((buf = malloc(msglen + 10)) == NULL) {
avrdude_message(MSG_INFO, "%s: jtagmkII_recv(): out of memory\n",
progname);
ignorpkt++;
} else {
memcpy(buf, header, 8);
}
} else {
state = sSTART;
headeridx = 0;
}
break;
case sDATA:
/* The entire payload has been read above. */
l = msglen + 8;
state = sCSUM1;
break;
case sCSUM1:
case sCSUM2:
buf[l++] = c;
if (state == sCSUM2) {
if (crcverify(buf, msglen + 10)) {
if (verbose >= 9)
avrdude_message(MSG_TRACE2, "%s: jtagmkII_recv(): CRC OK",
progname);
state = sDONE;
} else {
avrdude_message(MSG_INFO, "%s: jtagmkII_recv(): checksum error\n",
progname);
free(buf);
return -4;
}
} else
state++;
break;
default:
avrdude_message(MSG_INFO, "%s: jtagmkII_recv(): unknown state\n",
progname);
free(buf);
return -5;
}
gettimeofday(&tv, NULL);
tnow = tv.tv_sec;
if (tnow - tstart > timeoutval) {
avrdude_message(MSG_INFO, "%s: jtagmkII_recv_frame(): timeout\n",
progname);
free(buf);
return -1;
}
}
avrdude_message(MSG_DEBUG, "\n");
*seqno = r_seqno;
*msg = buf;
return msglen;
}
int jtagmkII_recv(PROGRAMMER * pgm, unsigned char **msg) {
unsigned short r_seqno;
int rv;
for (;;) {
if ((rv = jtagmkII_recv_frame(pgm, msg, &r_seqno)) <= 0)
return rv;
avrdude_message(MSG_DEBUG, "%s: jtagmkII_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.
*/
memmove(*msg, *msg + 8, rv);
if (verbose == 4)
{
int i = rv;
unsigned char *p = *msg;
avrdude_message(MSG_TRACE, "%s: Recv: ", progname);
while (i) {
unsigned char c = *p;
if (isprint(c)) {
avrdude_message(MSG_TRACE, "%c ", c);
}
else {
avrdude_message(MSG_TRACE, ". ");
}
avrdude_message(MSG_TRACE, "[%02x] ", c);
p++;
i--;
}
avrdude_message(MSG_TRACE, "\n");
}
return rv;
}
if (r_seqno == 0xffff) {
avrdude_message(MSG_DEBUG, "%s: jtagmkII_recv(): got asynchronous event\n",
progname);
} else {
avrdude_message(MSG_NOTICE2, "%s: jtagmkII_recv(): "
"got wrong sequence number, %u != %u\n",
progname, r_seqno, PDATA(pgm)->command_sequence);
}
free(*msg);
}
}
int jtagmkII_getsync(PROGRAMMER * pgm, int mode) {
int tries;
#define MAXTRIES 33
unsigned char buf[3], *resp, c = 0xff;
int status;
unsigned int fwver, hwver;
int is_dragon;
avrdude_message(MSG_DEBUG, "%s: jtagmkII_getsync()\n", progname);
if (strncmp(pgm->type, "JTAG", strlen("JTAG")) == 0) {
is_dragon = 0;
} else if (strncmp(pgm->type, "DRAGON", strlen("DRAGON")) == 0) {
is_dragon = 1;
} else {
avrdude_message(MSG_INFO, "%s: Programmer is neither JTAG ICE mkII nor AVR Dragon\n",
progname);
return -1;
}
for (tries = 0; tries < MAXTRIES; tries++) {
/* Get the sign-on information. */
buf[0] = CMND_GET_SIGN_ON;
avrdude_message(MSG_NOTICE2, "%s: jtagmkII_getsync(): Sending sign-on command: ",
progname);
jtagmkII_send(pgm, buf, 1);
status = jtagmkII_recv(pgm, &resp);
if (status <= 0) {
avrdude_message(MSG_INFO, "%s: jtagmkII_getsync(): sign-on command: "
"status %d\n",
progname, status);
} else if (verbose >= 3) {
putc('\n', stderr);
jtagmkII_prmsg(pgm, resp, status);
} else if (verbose == 2)
avrdude_message(MSG_NOTICE2, "0x%02x (%d bytes msg)\n", resp[0], status);
if (status > 0) {
if ((c = resp[0]) == RSP_SIGN_ON) {
fwver = ((unsigned)resp[8] << 8) | (unsigned)resp[7];
PDATA(pgm)->fwver = fwver;
hwver = (unsigned)resp[9];
memcpy(PDATA(pgm)->serno, resp + 10, 6);
if (status > 17) {
avrdude_message(MSG_NOTICE, "JTAG ICE mkII sign-on message:\n");
avrdude_message(MSG_NOTICE, "Communications protocol version: %u\n",
(unsigned)resp[1]);
avrdude_message(MSG_NOTICE, "M_MCU:\n");
avrdude_message(MSG_NOTICE, " boot-loader FW version: %u\n",
(unsigned)resp[2]);
avrdude_message(MSG_NOTICE, " firmware version: %u.%02u\n",
(unsigned)resp[4], (unsigned)resp[3]);
avrdude_message(MSG_NOTICE, " hardware version: %u\n",
(unsigned)resp[5]);
avrdude_message(MSG_NOTICE, "S_MCU:\n");
avrdude_message(MSG_NOTICE, " boot-loader FW version: %u\n",
(unsigned)resp[6]);
avrdude_message(MSG_NOTICE, " firmware version: %u.%02u\n",
(unsigned)resp[8], (unsigned)resp[7]);
avrdude_message(MSG_NOTICE, " hardware version: %u\n",
(unsigned)resp[9]);
avrdude_message(MSG_NOTICE, "Serial number: "
"%02x:%02x:%02x:%02x:%02x:%02x\n",
PDATA(pgm)->serno[0], PDATA(pgm)->serno[1], PDATA(pgm)->serno[2], PDATA(pgm)->serno[3], PDATA(pgm)->serno[4], PDATA(pgm)->serno[5]);
resp[status - 1] = '\0';
avrdude_message(MSG_NOTICE, "Device ID: %s\n",
resp + 16);
}
free(resp);
break;
}
free(resp);
}
}
if (tries >= MAXTRIES) {
if (status <= 0)
avrdude_message(MSG_INFO, "%s: jtagmkII_getsync(): "
"timeout/error communicating with programmer (status %d)\n",
progname, status);
else
avrdude_message(MSG_INFO, "%s: jtagmkII_getsync(): "
"bad response to sign-on command: %s\n",
progname, jtagmkII_get_rc(c));
return -1;
}
PDATA(pgm)->device_descriptor_length = sizeof(struct device_descriptor);
/*
* There's no official documentation from Atmel about what firmware
* revision matches what device descriptor length. The algorithm
* below has been found empirically.
*/
#define FWVER(maj, min) ((maj << 8) | (min))
if (!is_dragon && fwver < FWVER(3, 16)) {
PDATA(pgm)->device_descriptor_length -= 2;
avrdude_message(MSG_INFO, "%s: jtagmkII_getsync(): "
"S_MCU firmware version might be too old to work correctly\n",
progname);
} else if (!is_dragon && fwver < FWVER(4, 0)) {
PDATA(pgm)->device_descriptor_length -= 2;
}
if (mode != EMULATOR_MODE_SPI)
avrdude_message(MSG_NOTICE2, "%s: jtagmkII_getsync(): Using a %u-byte device descriptor\n",
progname, (unsigned)PDATA(pgm)->device_descriptor_length);
if (mode == EMULATOR_MODE_SPI) {
PDATA(pgm)->device_descriptor_length = 0;
if (!is_dragon && fwver < FWVER(4, 14)) {
avrdude_message(MSG_INFO, "%s: jtagmkII_getsync(): ISP functionality requires firmware "
"version >= 4.14\n",
progname);
return -1;
}
}
if (mode == EMULATOR_MODE_PDI || mode == EMULATOR_MODE_JTAG_XMEGA) {
if (!is_dragon && mode == EMULATOR_MODE_PDI && hwver < 1) {
avrdude_message(MSG_INFO, "%s: jtagmkII_getsync(): Xmega PDI support requires hardware "
"revision >= 1\n",
progname);
return -1;
}
if (!is_dragon && fwver < FWVER(5, 37)) {
avrdude_message(MSG_INFO, "%s: jtagmkII_getsync(): Xmega support requires firmware "
"version >= 5.37\n",
progname);
return -1;
}
if (is_dragon && fwver < FWVER(6, 11)) {
avrdude_message(MSG_INFO, "%s: jtagmkII_getsync(): Xmega support requires firmware "
"version >= 6.11\n",
progname);
return -1;
}
}
#undef FWVER
if(mode < 0) return 0; // for AVR32
tries = 0;
retry:
/* Turn the ICE into JTAG or ISP mode as requested. */
buf[0] = mode;
if (jtagmkII_setparm(pgm, PAR_EMULATOR_MODE, buf) < 0) {
if (mode == EMULATOR_MODE_SPI) {
avrdude_message(MSG_INFO, "%s: jtagmkII_getsync(): "
"ISP activation failed, trying debugWire\n",
progname);
buf[0] = EMULATOR_MODE_DEBUGWIRE;
if (jtagmkII_setparm(pgm, PAR_EMULATOR_MODE, buf) < 0)
return -1;
else {
/*
* We are supposed to send a CMND_RESET with the
* MONCOM_DISABLE flag set right now, and then
* restart from scratch.
*
* As this will make the ICE sign off from USB, so
* we risk losing our USB connection, it's easier
* to instruct the user to restart AVRDUDE rather
* than trying to cope with all this inside the
* program.
*/
(void)jtagmkII_reset(pgm, 0x04);
if (tries++ > 3) {
avrdude_message(MSG_INFO, "%s: Failed to return from debugWIRE to ISP.\n",
progname);
return -1;
}
avrdude_message(MSG_INFO, "%s: Target prepared for ISP, signed off.\n"
"%s: Now retrying without power-cycling the target.\n",
progname, progname);
goto retry;
}
} else {
return -1;
}
}
/* GET SYNC forces the target into STOPPED mode */
buf[0] = CMND_GET_SYNC;
avrdude_message(MSG_NOTICE2, "%s: jtagmkII_getsync(): Sending get sync command: ",
progname);
jtagmkII_send(pgm, buf, 1);
status = jtagmkII_recv(pgm, &resp);
if (status <= 0) {
if (verbose >= 2)
putc('\n', stderr);
avrdude_message(MSG_INFO, "%s: jtagmkII_getsync(): "
"timeout/error communicating with programmer (status %d)\n",
progname, status);
return -1;
}
if (verbose >= 3) {
putc('\n', stderr);
jtagmkII_prmsg(pgm, resp, status);
} else if (verbose == 2)
avrdude_message(MSG_NOTICE2, "0x%02x (%d bytes msg)\n", resp[0], status);
c = resp[0];
free(resp);
if (c != RSP_OK) {
avrdude_message(MSG_INFO, "%s: jtagmkII_getsync(): "
"bad response to set parameter command: %s\n",
progname, jtagmkII_get_rc(c));
return -1;
}
return 0;
}
/*
* issue the 'chip erase' command to the AVR device
*/
static int jtagmkII_chip_erase(PROGRAMMER * pgm, AVRPART * p)
{
int status, len;
unsigned char buf[6], *resp, c;
if (p->flags & (AVRPART_HAS_PDI | AVRPART_HAS_UPDI)) {
buf[0] = CMND_XMEGA_ERASE;
buf[1] = XMEGA_ERASE_CHIP;
memset(buf + 2, 0, 4); /* address of area to be erased */
len = 6;
} else {
buf[0] = CMND_CHIP_ERASE;
len = 1;
}
avrdude_message(MSG_NOTICE2, "%s: jtagmkII_chip_erase(): Sending %schip erase command: ",
progname,
(p->flags & (AVRPART_HAS_PDI | AVRPART_HAS_UPDI))? "Xmega ": "");
jtagmkII_send(pgm, buf, len);
status = jtagmkII_recv(pgm, &resp);
if (status <= 0) {
if (verbose >= 2)
putc('\n', stderr);
avrdude_message(MSG_INFO, "%s: jtagmkII_chip_erase(): "
"timeout/error communicating with programmer (status %d)\n",
progname, status);
return -1;
}
if (verbose >= 3) {
putc('\n', stderr);
jtagmkII_prmsg(pgm, resp, status);
} else if (verbose == 2)
avrdude_message(MSG_NOTICE2, "0x%02x (%d bytes msg)\n", resp[0], status);
c = resp[0];
free(resp);
if (c != RSP_OK) {
avrdude_message(MSG_INFO, "%s: jtagmkII_chip_erase(): "
"bad response to chip erase command: %s\n",
progname, jtagmkII_get_rc(c));
return -1;
}
if (!(p->flags & (AVRPART_HAS_PDI | AVRPART_HAS_UPDI)))
pgm->initialize(pgm, p);
return 0;
}
/*
* There is no chip erase functionality in debugWire mode.
*/
static int jtagmkII_chip_erase_dw(PROGRAMMER * pgm, AVRPART * p)
{
avrdude_message(MSG_INFO, "%s: Chip erase not supported in debugWire mode\n",
progname);
return 0;
}
static void jtagmkII_set_devdescr(PROGRAMMER * pgm, AVRPART * p)
{
int status;
unsigned char *resp, c;
LNODEID ln;
AVRMEM * m;
struct {
unsigned char cmd;
struct device_descriptor dd;
} sendbuf;
memset(&sendbuf, 0, sizeof sendbuf);
sendbuf.cmd = CMND_SET_DEVICE_DESCRIPTOR;
sendbuf.dd.ucSPMCRAddress = p->spmcr;
sendbuf.dd.ucRAMPZAddress = p->rampz;
sendbuf.dd.ucIDRAddress = p->idr;
u16_to_b2(sendbuf.dd.EECRAddress, p->eecr);
sendbuf.dd.ucAllowFullPageBitstream =
(p->flags & AVRPART_ALLOWFULLPAGEBITSTREAM) != 0;
sendbuf.dd.EnablePageProgramming =
(p->flags & AVRPART_ENABLEPAGEPROGRAMMING) != 0;
for (ln = lfirst(p->mem); ln; ln = lnext(ln)) {
m = ldata(ln);
if (strcmp(m->desc, "flash") == 0) {
if (m->page_size > 256)
PDATA(pgm)->flash_pagesize = 256;
else
PDATA(pgm)->flash_pagesize = m->page_size;
u32_to_b4(sendbuf.dd.ulFlashSize, m->size);
u16_to_b2(sendbuf.dd.uiFlashPageSize, m->page_size);
u16_to_b2(sendbuf.dd.uiFlashpages, m->size / m->page_size);
if (p->flags & AVRPART_HAS_DW) {
memcpy(sendbuf.dd.ucFlashInst, p->flash_instr, FLASH_INSTR_SIZE);
memcpy(sendbuf.dd.ucEepromInst, p->eeprom_instr, EEPROM_INSTR_SIZE);
}
} else if (strcmp(m->desc, "eeprom") == 0) {
sendbuf.dd.ucEepromPageSize = PDATA(pgm)->eeprom_pagesize = m->page_size;
}
}
sendbuf.dd.ucCacheType =
(p->flags & (AVRPART_HAS_PDI | AVRPART_HAS_UPDI))? 0x02 /* ATxmega */: 0x00;
avrdude_message(MSG_NOTICE2, "%s: jtagmkII_set_devdescr(): "
"Sending set device descriptor command: ",
progname);
jtagmkII_send(pgm, (unsigned char *)&sendbuf,
PDATA(pgm)->device_descriptor_length + sizeof(unsigned char));
status = jtagmkII_recv(pgm, &resp);
if (status <= 0) {
if (verbose >= 2)
putc('\n', stderr);