Implement extended addressing needed for the ATmega256x devices.
Document ATmega256x support. Also document Solaris port defaults in avrdude.texi. git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@584 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Joerg Wunsch
parent
1ecd13d900
commit
b409c03049
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@ -1,3 +1,11 @@
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2006-05-25 Joerg Wunsch <j@uriah.heep.sax.de>
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* stk500v2.c: Implement extended addressing needed
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for the ATmega256x devices.
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* avrdude.1: Document ATmega256x support.
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* doc/avrdude.texi: Document ATmega256x support.
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Also document Solaris port defaults.
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2006-05-24 Joerg Wunsch <j@uriah.heep.sax.de>
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* avr.c: Start implementing support for ATmega256x;
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12
avrdude.1
12
avrdude.1
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@ -1,6 +1,6 @@
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.\"
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.\" avrdude - A Downloader/Uploader for AVR device programmers
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.\" Copyright (C) 2001, 2002, 2003, 2005 Joerg Wunsch
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.\" Copyright (C) 2001, 2002, 2003, 2005, 2006 Joerg Wunsch
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.\"
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.\" This program is free software; you can redistribute it and/or modify
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.\" it under the terms of the GNU General Public License as published by
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@ -19,7 +19,7 @@
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.\"
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.\" $Id$
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.\"
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.Dd DATE November 29, 2005
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.Dd DATE May 25, 2006
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.Os
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.Dt AVRDUDE 1
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.Sh NAME
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@ -178,6 +178,8 @@ m162 ATmega162
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m163 ATmega163
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m164 ATmega164
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m169 ATmega169
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m2560 ATmega2560 (**)
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m2561 ATmega2561 (**)
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m32 ATmega32
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m324 ATmega324
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m329 ATmega329
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@ -201,9 +203,13 @@ t26 ATtiny26
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t45 ATtiny45
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t85 ATtiny85
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.TE
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.Bl -tag -width "(*) "
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.Bl -tag -width "(**) "
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.It "(*)"
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The AT90S2323 and ATtiny22 use the same algorithm.
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.It "(**)"
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Flash addressing above 128 KB is not supported by all
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programming hardware. Known to work are jtag2, stk500v2,
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and bit-bang programmers.
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.El
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.It Fl b Ar baudrate
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Override the RS-232 connection baud rate specified in the respective
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@ -28,7 +28,7 @@ This file documents the avrdude program.
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For avrdude version @value{VERSION}, @value{UPDATED}.
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Copyright @copyright{} 2003, 2005 Brian Dean
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Copyright @copyright{} 2003, 2005, 2006 Brian Dean
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Permission is granted to make and distribute verbatim copies of
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this manual provided the copyright notice and this permission notice
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@ -316,6 +316,12 @@ ATmega164
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@itemx m169
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ATmega169
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@itemx m2560
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ATmega2560 (**)
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@itemx m2561
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ATmega2561 (**)
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@itemx m32
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ATmega32
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@ -386,6 +392,10 @@ ATtiny85
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(*) The AT90S2323 and ATtiny22 use the same algorithm.
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(**) Flash addressing above 128 KB is not supported by all
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programming hardware. Known to work are jtag2, stk500v2,
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and bit-bang programmers.
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@item -b @var{baudrate}
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Override the RS-232 connection baud rate specified in the respective
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programmer's entry of the configuration file.
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@ -1520,6 +1530,9 @@ The following table lists the default names for a given system.
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@item Linux
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@tab @code{/dev/parport0}
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@tab @code{/dev/ttyS0}
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@item Solaris
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@tab @code{/dev/printers/0}
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@tab @code{/dev/term/a}
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@end multitable
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On FreeBSD systems, AVRDUDE uses the ppi(4) interface for
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@ -1530,6 +1543,10 @@ On Linux systems, AVRDUDE uses the ppdev interface for
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accessing the parallel port and the tty driver for serial port
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access.
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On Solaris systems, AVRDUDE uses the ecpp(7D) driver for
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accessing the parallel port and the asy(7D) driver for serial port
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access.
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@c
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@c Node
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@c
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51
stk500v2.c
51
stk500v2.c
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@ -41,6 +41,7 @@
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <limits.h>
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#include <unistd.h>
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#include <sys/time.h>
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#include <time.h>
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@ -554,8 +555,7 @@ static int stk500v2_loadaddr(PROGRAMMER * pgm, unsigned int addr)
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static int stk500v2_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
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int page_size, int n_bytes)
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{
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int addr, block_size, last_addr;
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int a_div=1;
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unsigned int addr, block_size, last_addr, hiaddr, addrshift, use_ext_addr;
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unsigned char commandbuf[10];
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unsigned char buf[266];
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unsigned char cmds[4];
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@ -565,17 +565,29 @@ static int stk500v2_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
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DEBUG("STK500V2: stk500v2_paged_write(..,%s,%d,%d)\n",m->desc,page_size,n_bytes);
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if (page_size == 0) page_size = 256;
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hiaddr = UINT_MAX;
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addrshift = 0;
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use_ext_addr = 0;
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// determine which command is to be used
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if (strcmp(m->desc, "flash") == 0) {
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a_div=2;
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addrshift = 1;
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commandbuf[0] = CMD_PROGRAM_FLASH_ISP;
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/*
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* If bit 31 is set, this indicates that the following read/write
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* operation will be performed on a memory that is larger than
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* 64KBytes. This is an indication to STK500 that a load extended
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* address must be executed.
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*/
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if (m->op[AVR_OP_LOAD_EXT_ADDR] != NULL) {
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use_ext_addr = (1U << 31);
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}
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} else if (strcmp(m->desc, "eeprom") == 0) {
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commandbuf[0] = CMD_PROGRAM_EEPROM_ISP;
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}
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commandbuf[4] = m->delay;
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if (a_div == 1) {
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if (addrshift == 0) {
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wop = m->op[AVR_OP_WRITE];
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rop = m->op[AVR_OP_READ];
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}
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@ -631,7 +643,7 @@ static int stk500v2_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
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commandbuf[8] = m->readback[0];
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commandbuf[9] = m->readback[1];
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last_addr=-1;
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last_addr=UINT_MAX; /* impossible address */
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for (addr=0; addr < n_bytes; addr += page_size) {
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report_progress(addr,n_bytes,NULL);
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@ -654,8 +666,8 @@ static int stk500v2_paged_write(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
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buf[1] = block_size >> 8;
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buf[2] = block_size & 0xff;
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if((last_addr==-1)||(last_addr+block_size != addr)){
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stk500v2_loadaddr(pgm, addr/a_div);
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if((last_addr==UINT_MAX)||(last_addr+block_size != addr)){
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stk500v2_loadaddr(pgm, use_ext_addr | (addr >> addrshift));
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}
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last_addr=addr;
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@ -690,7 +702,7 @@ static int stk500v2_is_page_empty(unsigned int address, int page_size,
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static int stk500v2_paged_load(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
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int page_size, int n_bytes)
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{
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int addr, block_size;
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unsigned int addr, block_size, hiaddr, addrshift, use_ext_addr;
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unsigned char commandbuf[4];
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unsigned char buf[275]; // max buffer size for stk500v2 at this point
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unsigned char cmds[4];
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@ -703,10 +715,24 @@ static int stk500v2_paged_load(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
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rop = m->op[AVR_OP_READ];
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hiaddr = UINT_MAX;
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addrshift = 0;
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use_ext_addr = 0;
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// determine which command is to be used
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if (strcmp(m->desc, "flash") == 0) {
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commandbuf[0] = CMD_READ_FLASH_ISP;
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rop = m->op[AVR_OP_READ_LO];
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addrshift = 1;
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/*
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* If bit 31 is set, this indicates that the following read/write
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* operation will be performed on a memory that is larger than
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* 64KBytes. This is an indication to STK500 that a load extended
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* address must be executed.
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*/
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if (m->op[AVR_OP_LOAD_EXT_ADDR] != NULL) {
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use_ext_addr = (1U << 31);
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}
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}
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else if (strcmp(m->desc, "eeprom") == 0) {
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commandbuf[0] = CMD_READ_EEPROM_ISP;
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@ -721,8 +747,6 @@ static int stk500v2_paged_load(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
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avr_set_bits(rop, cmds);
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commandbuf[3] = cmds[0];
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stk500v2_loadaddr(pgm, 0);
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for (addr=0; addr < n_bytes; addr += page_size) {
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report_progress(addr, n_bytes,NULL);
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@ -737,6 +761,13 @@ static int stk500v2_paged_load(PROGRAMMER * pgm, AVRPART * p, AVRMEM * m,
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buf[1] = block_size >> 8;
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buf[2] = block_size & 0xff;
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// Ensure a new "load extended address" will be issued
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// when crossing a 64 KB boundary in flash.
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if (hiaddr != (addr & ~0xFFFF)) {
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hiaddr = addr & ~0xFFFF;
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stk500v2_loadaddr(pgm, use_ext_addr | (addr >> addrshift));
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}
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result = stk500v2_command(pgm,buf,4,sizeof(buf));
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if (buf[1] != STATUS_CMD_OK) {
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fprintf(stderr,"%s: stk500v2_paged_load: read command failed with %d\n",
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