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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 <j@uriah.heep.sax.de>
*
* Derived from stk500 code which is:
* Copyright (C) 2002-2004 Brian S. Dean <bsd@bdmicro.com>
* 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];
/* Serial RTS/DTR setting */
int rts_mode;
/* 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 FLAGS32_INIT_SMC 1 // Part will undergo chip erase
#define FLAGS32_WRITE 2 // At least one write operation specified
// Couple of flag bits for AVR32 programming
int flags32;
};
#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, const char *port);
static int jtagmkII_initialize(const PROGRAMMER *pgm, const AVRPART *p);
static int jtagmkII_chip_erase(const PROGRAMMER *pgm, const AVRPART *p);
static int jtagmkII_read_byte(const PROGRAMMER *pgm, const AVRPART *p, const AVRMEM *mem,
unsigned long addr, unsigned char * value);
static int jtagmkII_write_byte(const PROGRAMMER *pgm, const AVRPART *p, const AVRMEM *mem,
unsigned long addr, unsigned char data);
static int jtagmkII_reset(const PROGRAMMER *pgm, unsigned char flags);
static int jtagmkII_set_sck_period(const PROGRAMMER *pgm, double v);
static int jtagmkII_setparm(const PROGRAMMER *pgm, unsigned char parm,
unsigned char * value);
static void jtagmkII_print_parms1(const PROGRAMMER *pgm, const char *p, FILE *fp);
static int jtagmkII_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 jtagmkII_mtype(const PROGRAMMER *pgm, const AVRPART *p, unsigned long addr);
static unsigned int jtagmkII_memaddr(const PROGRAMMER *pgm, const AVRPART *p, const AVRMEM *m, unsigned long addr);
// AVR32
#define ERROR_SAB 0xFFFFFFFF
static int jtagmkII_open32(PROGRAMMER *pgm, const char *port);
static void jtagmkII_close32(PROGRAMMER * pgm);
static int jtagmkII_reset32(const PROGRAMMER *pgm, unsigned short flags);
static int jtagmkII_initialize32(const PROGRAMMER *pgm, const AVRPART *p);
static int jtagmkII_chip_erase32(const PROGRAMMER *pgm, const AVRPART *p);
static unsigned long jtagmkII_read_SABaddr(const PROGRAMMER *pgm, unsigned long addr,
unsigned int prefix); // ERROR_SAB illegal
static int jtagmkII_write_SABaddr(const PROGRAMMER *pgm, unsigned long addr,
unsigned int prefix, unsigned long val);
static int jtagmkII_avr32_reset(const PROGRAMMER *pgm, unsigned char val,
unsigned char ret1, unsigned char ret2);
static int jtagmkII_smc_init32(const PROGRAMMER *pgm);
static int jtagmkII_paged_write32(const PROGRAMMER *pgm, const AVRPART *p, const AVRMEM *m,
unsigned int page_size,
unsigned int addr, unsigned int n_bytes);
static int jtagmkII_flash_lock32(const PROGRAMMER *pgm, unsigned char lock,
unsigned int page);
static int jtagmkII_flash_erase32(const PROGRAMMER *pgm, unsigned int page);
static int jtagmkII_flash_write_page32(const PROGRAMMER *pgm, unsigned int page);
static int jtagmkII_flash_clear_pagebuffer32(const PROGRAMMER *pgm);
static int jtagmkII_paged_load32(const PROGRAMMER *pgm, const AVRPART *p, const AVRMEM *m,
unsigned int page_size,
unsigned int addr, unsigned int n_bytes);
void jtagmkII_setup(PROGRAMMER *pgm) {
pgm->cookie = cfg_malloc("jtagmkII_setup()", sizeof(struct pdata));
PDATA(pgm)->rts_mode = RTS_MODE_DEFAULT;
}
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)
{
static char msg[64];
for (size_t i = 0; i < sizeof jtagresults/sizeof*jtagresults; 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)
{
size_t i;
if (s < 2)
return;
for (i = 0; i < s - 1; i++) {
msg_info("0x%02x ", b[i + 1]);
if (i % 16 == 15)
msg_info("\n");
else
msg_info(" ");
}
if (i % 16 != 0)
msg_info("\n");
}
static void jtagmkII_prmsg(const PROGRAMMER *pgm_unused, unsigned char *data, size_t len) {
size_t i;
if (verbose >= 4) {
msg_trace("Raw message:\n");
for (i = 0; i < len; i++) {
msg_trace("0x%02x", data[i]);
if (i % 16 == 15)
msg_trace("\n");
else
msg_trace(" ");
}
if (i % 16 != 0)
msg_trace("\n");
}
switch (data[0]) {
case RSP_OK:
msg_info("OK\n");
break;
case RSP_FAILED:
msg_info("FAILED\n");
break;
case RSP_ILLEGAL_BREAKPOINT:
msg_info("Illegal breakpoint\n");
break;
case RSP_ILLEGAL_COMMAND:
msg_info("Illegal command\n");
break;
case RSP_ILLEGAL_EMULATOR_MODE:
msg_info("Illegal emulator mode");
if (len > 1)
switch (data[1]) {
case EMULATOR_MODE_DEBUGWIRE: msg_info(": DebugWire"); break;
case EMULATOR_MODE_JTAG: msg_info(": JTAG"); break;
case EMULATOR_MODE_HV: msg_info(": HVSP/PP"); break;
case EMULATOR_MODE_SPI: msg_info(": SPI"); break;
case EMULATOR_MODE_JTAG_XMEGA: msg_info(": JTAG/Xmega"); break;
}
msg_info("\n");
break;
case RSP_ILLEGAL_JTAG_ID:
msg_info("Illegal JTAG ID\n");
break;
case RSP_ILLEGAL_MCU_STATE:
msg_info("Illegal MCU state");
if (len > 1)
switch (data[1]) {
case STOPPED: msg_info(": Stopped"); break;
case RUNNING: msg_info(": Running"); break;
case PROGRAMMING: msg_info(": Programming"); break;
}
msg_info("\n");
break;
case RSP_ILLEGAL_MEMORY_TYPE:
msg_info("Illegal memory type\n");
break;
case RSP_ILLEGAL_MEMORY_RANGE:
msg_info("Illegal memory range\n");
break;
case RSP_ILLEGAL_PARAMETER:
msg_info("Illegal parameter\n");
break;
case RSP_ILLEGAL_POWER_STATE:
msg_info("Illegal power state\n");
break;
case RSP_ILLEGAL_VALUE:
msg_info("Illegal value\n");
break;
case RSP_NO_TARGET_POWER:
msg_info("No target power\n");
break;
case RSP_SIGN_ON:
msg_info("Sign-on succeeded\n");
/* Sign-on data will be printed below anyway. */
break;
case RSP_MEMORY:
msg_info("memory contents:\n");
jtagmkII_print_memory(data, len);
break;
case RSP_PARAMETER:
msg_info("parameter values:\n");
jtagmkII_print_memory(data, len);
break;
case RSP_SPI_DATA:
msg_info("SPI data returned:\n");
for (i = 1; i < len; i++)
msg_info("0x%02x ", data[i]);
msg_info("\n");
break;
case EVT_BREAK:
msg_info("BREAK event");
if (len >= 6) {
msg_info(", PC = 0x%lx, reason ", b4_to_u32(data + 1));
switch (data[5]) {
case 0x00:
msg_info("unspecified");
break;
case 0x01:
msg_info("program break");
break;
case 0x02:
msg_info("data break PDSB");
break;
case 0x03:
msg_info("data break PDMSB");
break;
default:
msg_info("unknown: 0x%02x", data[5]);
}
}
msg_info("\n");
break;
default:
msg_info("unknown message 0x%02x\n", data[0]);
}
msg_info("\n");
}
int jtagmkII_send(const PROGRAMMER *pgm, unsigned char *data, size_t len) {
unsigned char *buf;
msg_debug("\n");
pmsg_debug("jtagmkII_send(): sending %lu bytes\n", (unsigned long) len);
if ((buf = malloc(len + 10)) == NULL)
{
pmsg_error("out of memory");
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) {
pmsg_error("unable to send command to serial port\n");
free(buf);
return -1;
}
free(buf);
return 0;
}
static int jtagmkII_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 jtagmkII_recv_frame(const 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;
double timeoutval = 100; /* seconds */
double tstart, tnow;
pmsg_trace("jtagmkII_recv():\n");
tstart = avr_timestamp();
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 */
pmsg_notice2("jtagmkII_recv(): timeout receiving packet\n");
free(buf);
return -1;
}
} else {
if (serial_recv(&pgm->fd, &c, 1) != 0)
goto timedout;
}
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) {
pmsg_warning("msglen %lu exceeds max message size %u, ignoring message\n",
msglen, MAX_MESSAGE);
state = sSTART;
headeridx = 0;
} else if ((buf = malloc(msglen + 10)) == NULL) {
pmsg_error("out of memory\n");
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)
pmsg_trace2("jtagmkII_recv(): CRC OK");
state = sDONE;
} else {
pmsg_error("wrong checksum\n");
free(buf);
return -4;
}
} else
state++;
break;
default:
pmsg_error("unknown state\n");
free(buf);
return -5;
}
tnow = avr_timestamp();
if (tnow - tstart > timeoutval) {
pmsg_error("timeout\n");
free(buf);
return -1;
}
}
msg_debug("\n");
*seqno = r_seqno;
*msg = buf;
return msglen;
}
int jtagmkII_recv(const PROGRAMMER *pgm, unsigned char **msg) {
unsigned short r_seqno;
int rv;
for (;;) {
if ((rv = jtagmkII_recv_frame(pgm, msg, &r_seqno)) <= 0)
return rv;
pmsg_debug("jtagmkII_recv(): got message seqno %d (command_sequence == %d)\n",
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 > 3)
trace_buffer(__func__, *msg, rv);
return rv;
}
if (r_seqno == 0xffff) {
pmsg_debug("jtagmkII_recv(): got asynchronous event\n");
} else {
pmsg_notice2("jtagmkII_recv(): got wrong sequence number, %u != %u\n",
r_seqno, PDATA(pgm)->command_sequence);
}
free(*msg);
}
}
int jtagmkII_getsync(const PROGRAMMER *pgm, int mode) {
int tries;
#define MAXTRIES 10
unsigned char buf[3], *resp, c = 0xff;
int status;
unsigned int fwver, hwver;
int is_dragon;
pmsg_debug("jtagmkII_getsync()\n");
if (str_starts(pgm->type, "JTAG")) {
is_dragon = 0;
} else if (str_starts(pgm->type, "DRAGON")) {
is_dragon = 1;
} else {
pmsg_error("programmer is neither JTAG ICE mkII nor AVR Dragon\n");
return -1;
}
for (tries = 0; tries < MAXTRIES; tries++) {
/* Get the sign-on information. */
buf[0] = CMND_GET_SIGN_ON;
pmsg_notice2("jtagmkII_getsync() attempt %d of %d: sending sign-on command: ",
tries + 1, MAXTRIES);
jtagmkII_send(pgm, buf, 1);
status = jtagmkII_recv(pgm, &resp);
if (status <= 0) {
pmsg_warning("attempt %d of %d: sign-on command: status %d\n",
tries + 1, MAXTRIES, status);
} else if (verbose >= 3) {
msg_debug("\n");
jtagmkII_prmsg(pgm, resp, status);
} else
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) {
msg_notice("JTAG ICE mkII sign-on message:\n");
msg_notice("Communications protocol version: %u\n",
(unsigned)resp[1]);
msg_notice("M_MCU:\n");
msg_notice(" boot-loader FW version: %u\n",
(unsigned)resp[2]);
msg_notice(" firmware version: %u.%02u\n",
(unsigned)resp[4], (unsigned)resp[3]);
msg_notice(" hardware version: %u\n",
(unsigned)resp[5]);
msg_notice("S_MCU:\n");
msg_notice(" boot-loader FW version: %u\n",
(unsigned)resp[6]);
msg_notice(" firmware version: %u.%02u\n",
(unsigned)resp[8], (unsigned)resp[7]);
msg_notice(" hardware version: %u\n",
(unsigned)resp[9]);
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';
msg_notice("Device ID: %s\n",
resp + 16);
}
free(resp);
break;
}
free(resp);
}
}
if (tries >= MAXTRIES) {
if (status <= 0)
pmsg_error("timeout/error communicating with programmer (status %d)\n", status);
else
pmsg_error("bad response to sign-on command: %s\n", 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;
pmsg_warning("S_MCU firmware version might be too old to work correctly\n");
} else if (!is_dragon && fwver < FWVER(4, 0)) {
PDATA(pgm)->device_descriptor_length -= 2;
}
if (mode != EMULATOR_MODE_SPI)
pmsg_notice2("jtagmkII_getsync(): using a %u-byte device descriptor\n",
(unsigned) PDATA(pgm)->device_descriptor_length);
if (mode == EMULATOR_MODE_SPI) {
PDATA(pgm)->device_descriptor_length = 0;
if (!is_dragon && fwver < FWVER(4, 14)) {
pmsg_error("ISP functionality requires firmware version >= 4.14\n");
return -1;
}
}
if (mode == EMULATOR_MODE_PDI || mode == EMULATOR_MODE_JTAG_XMEGA) {
if (!is_dragon && mode == EMULATOR_MODE_PDI && hwver < 1) {
pmsg_error("Xmega PDI support requires hardware revision >= 1\n");
return -1;
}
if (!is_dragon && fwver < FWVER(5, 37)) {
pmsg_error("Xmega support requires firmware version >= 5.37\n");
return -1;
}
if (is_dragon && fwver < FWVER(6, 11)) {
pmsg_error("Xmega support requires firmware version >= 6.11\n");
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) {
pmsg_warning("ISP activation failed, trying debugWire\n");
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) {
pmsg_error("unable to return from debugWIRE to ISP\n");
return -1;
}
pmsg_warning("target prepared for ISP, signed off\n");
imsg_warning("now retrying without power-cycling the target\n");
goto retry;
}
} else {
return -1;
}
}
/* GET SYNC forces the target into STOPPED mode */
buf[0] = CMND_GET_SYNC;
pmsg_notice2("jtagmkII_getsync(): sending get sync command: ");
jtagmkII_send(pgm, buf, 1);
status = jtagmkII_recv(pgm, &resp);
if (status <= 0) {
msg_notice2("\n");
pmsg_error("timeout/error communicating with programmer (status %d)\n", status);
return -1;
}
if (verbose >= 3) {
msg_debug("\n");
jtagmkII_prmsg(pgm, resp, status);
} else
msg_notice2("0x%02x (%d bytes msg)\n", resp[0], status);
c = resp[0];
free(resp);
if (c != RSP_OK) {
pmsg_error("bad response to set parameter command: %s\n", jtagmkII_get_rc(c));
return -1;
}
return 0;
}
/*
* issue the 'chip erase' command to the AVR device
*/
static int jtagmkII_chip_erase(const PROGRAMMER *pgm, const AVRPART *p) {
int status, len;
unsigned char buf[6], *resp, c;
if (p->prog_modes & (PM_PDI | PM_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;
}
pmsg_notice2("jtagmkII_chip_erase(): sending %schip erase command: ",
p->prog_modes & (PM_PDI | PM_UPDI)? "Xmega ": "");
jtagmkII_send(pgm, buf, len);
status = jtagmkII_recv(pgm, &resp);
if (status <= 0) {
msg_notice2("\n");
pmsg_error("timeout/error communicating with programmer (status %d)\n", status);
return -1;
}
if (verbose >= 3) {
msg_debug("\n");
jtagmkII_prmsg(pgm, resp, status);
} else
msg_notice2("0x%02x (%d bytes msg)\n", resp[0], status);
c = resp[0];
free(resp);
if (c != RSP_OK) {
pmsg_error("bad response to chip erase command: %s\n", jtagmkII_get_rc(c));
return -1;
}
if (!(p->prog_modes & (PM_PDI | PM_UPDI)))
pgm->initialize(pgm, p);
return 0;
}
/*
* There is no chip erase functionality in debugWire mode.
*/
static int jtagmkII_chip_erase_dw(const PROGRAMMER *pgm_unused, const AVRPART *p_unused) {
pmsg_info("chip erase not supported in debugWire mode\n");
return 0;
}
static void jtagmkII_set_devdescr(const PROGRAMMER *pgm, const AVRPART *p) {
int status;
unsigned char *resp, c;
LNODEID ln;
AVRMEM *flm;
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;
if((flm = avr_locate_flash(p)) && p->boot_section_size > 0) {
unsigned int sbls = (flm->size - p->boot_section_size)/2; // Words
sendbuf.dd.uiStartSmallestBootLoaderSection[0] = sbls;
sendbuf.dd.uiStartSmallestBootLoaderSection[1] = sbls>>8;
}
u16_to_b2(sendbuf.dd.EECRAddress, p->eecr? p->eecr: 0x3f); // Unset eecr means 0x3f
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)) {
AVRMEM *m = ldata(ln);
if (mem_is_flash(m)) {
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->prog_modes & PM_debugWIRE) {
memcpy(sendbuf.dd.ucFlashInst, p->flash_instr, FLASH_INSTR_SIZE);
memcpy(sendbuf.dd.ucEepromInst, p->eeprom_instr, EEPROM_INSTR_SIZE);
}
} else if (mem_is_eeprom(m)) {
sendbuf.dd.ucEepromPageSize = PDATA(pgm)->eeprom_pagesize = m->page_size;
}
}
sendbuf.dd.ucCacheType =
p->prog_modes & (PM_PDI | PM_UPDI)? 0x02 /* ATxmega */: 0x00;
pmsg_notice2("jtagmkII_set_devdescr(): "
"Sending set device descriptor command: ");
jtagmkII_send(pgm, (unsigned char *)&sendbuf,
PDATA(pgm)->device_descriptor_length + sizeof(unsigned char));
status = jtagmkII_recv(pgm, &resp);
if (status <= 0) {
msg_notice2("\n");
pmsg_error("timeout/error communicating with programmer (status %d)\n", status);
return;
}
if (verbose >= 3) {
msg_debug("\n");
jtagmkII_prmsg(pgm, resp, status);
} else
msg_notice2("0x%02x (%d bytes msg)\n", resp[0], status);
c = resp[0];
free(resp);
if (c != RSP_OK) {
pmsg_error("bad response to set device descriptor command: %s\n", jtagmkII_get_rc(c));
}
}
static void jtagmkII_set_xmega_params(const PROGRAMMER *pgm, const AVRPART *p) {
int status, fuseinit = 0;
unsigned char *resp, c;
LNODEID ln;
AVRMEM * m;
struct {
unsigned char cmd;
struct xmega_device_desc dd;
} sendbuf;
memset(&sendbuf, 0, sizeof sendbuf);
sendbuf.cmd = CMND_SET_XMEGA_PARAMS;
u16_to_b2(sendbuf.dd.whatever, 0x0002);
sendbuf.dd.datalen = 47;
u16_to_b2(sendbuf.dd.nvm_base_addr, p->nvm_base);
u16_to_b2(sendbuf.dd.mcu_base_addr, p->mcu_base);
for (ln = lfirst(p->mem); ln; ln = lnext(ln)) {
m = ldata(ln);
if (mem_is_flash(m)) {
if (m->page_size > 256)
PDATA(pgm)->flash_pagesize = 256;
else
PDATA(pgm)->flash_pagesize = m->page_size;
u16_to_b2(sendbuf.dd.flash_page_size, m->page_size);
} else if (mem_is_eeprom(m)) {
sendbuf.dd.eeprom_page_size = m->page_size;
u16_to_b2(sendbuf.dd.eeprom_size, m->size);
u32_to_b4(sendbuf.dd.nvm_eeprom_offset, m->offset);
} else if (mem_is_application(m)) {
u32_to_b4(sendbuf.dd.app_size, m->size);
u32_to_b4(sendbuf.dd.nvm_app_offset, m->offset);
} else if (mem_is_boot(m)) {
u16_to_b2(sendbuf.dd.boot_size, m->size);
u32_to_b4(sendbuf.dd.nvm_boot_offset, m->offset);
} else if(mem_is_a_fuse(m) && !fuseinit++) { // Any fuse is OK
u32_to_b4(sendbuf.dd.nvm_fuse_offset, m->offset & ~15);
} else if (mem_is_lock(m)) {
u32_to_b4(sendbuf.dd.nvm_lock_offset, m->offset);
} else if (mem_is_userrow(m)) {
u32_to_b4(sendbuf.dd.nvm_user_sig_offset, m->offset);
} else if (mem_is_sigrow(m)) {
u32_to_b4(sendbuf.dd.nvm_prod_sig_offset, m->offset);
pmsg_notice2("prod_sig_offset addr 0x%05x\n", m->offset);
} else if (mem_is_data(m)) {
u32_to_b4(sendbuf.dd.nvm_data_offset, m->offset);
}
}
pmsg_notice2("%s() sending set Xmega params command: ", __func__);
jtagmkII_send(pgm, (unsigned char *)&sendbuf, sizeof sendbuf);
status = jtagmkII_recv(pgm, &resp);
if (status <= 0) {
msg_notice2("\n");