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Initial commit with software from sam7utils-0.2.1-bm.tar.bz2

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Holger Hans Peter Freyther 2011-10-09 09:58:20 +02:00
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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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2006-09-15 erik gilling <konkers@konkers.net>
* version 0.2.1
2006-09-15 erik gilling <konkers@konkers.net>
* include io_libusb in dist
2006-09-06 erik gilling <konkers@konkers.net>
* version 0.2.0
2007-02-09 erik gilling <konkers@konkers.net>
* add libusb support and make superceed posix as the default
* update README
2007-02-04 erik gilling <konkers@konkers.net>
* add version.h include to linux driver
2006-09-28 erik gilling <konkers@konkers.net>
* fixed -h argument (thanks Dean)
2006-09-06 erik gilling <konkers@konkers.net>
* version 0.1.1
2006-09-06 erik gilling <konkers@konkers.net>
* update help on a few commands
* add linux driver fix for kernels > 2.6.14 (thanks Michael Shiloh)
* add curses check to configure.in for FC4 (thanks Russ Nelson)
2006-07-07 erik gilling <konkers@konkers.net>
* version 0.1.0
2006-07-07 erik gilling <konkers@konkers.net>
* add boot_from_flash command from Liam
2006-06-16 erik gilling <konkers@konkers.net>
* unlock_regions uses nvpsize not sramsiz
2006-06-16 erik gilling <konkers@konkers.net>
* fix lock bit detection
2006-06-16 erik gilling <konkers@konkers.net>
* fix configure.in to set OS options before looking for headers
* add read and read_manual commands
* add detection for number of lock bits
* fix unlock_regions for devices other than the S64
* remove exraneous debugging info
* add --exec command line for scriptability
2006-06-15 erik gilling <konkers@konkers.net>
* add win32 support (cygwin only for now)
2006-06-14 erik gilling <konkers@konkers.net>
* integrate loaders into sam7 binary
2006-06-14 erik gilling <konkers@konkers.net>
* remove endian swapping from write_half_word and write_word
2006-06-13 erik gilling <konkers@konkers.net>
* rename samba_flash to flash
* add support for 256 byte pages using flash command
2006-06-13 erik gilling <konkers@konkers.net>
* add loader code (tested on sam7s64)
2006-06-09 erik gilling <konkers@konkers.net>
* correct type matching for sam7x
* first stab at endianness correction (untested)
2006-06-08 erik gilling <konkers@konkers.net>
* read cpuid and size flash page
* print out chip info on init
2005-12-30 erik gilling <konkers@konkers.net>
* increment version to 0.0.2
* add manual_upload command which does not use samba.bin

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AM_CFLAGS = -Wall -Werror
AUTOMAKE_OPTIONS = gnu
bin_PROGRAMS = sam7
sam7_SOURCES = main.c io_@IOTYPE@.c samba.c cmd.c
noinst_HEADERS = io.h samba.h cmd.h loader128_data.h loader256_data.h
EXTRA_DIST = driver/Makefile driver/at91.c \
io_win32.c io_posix.c io_iokit.c io_libusb.c\
loader/Makefile loader/at91.h loader/bin2c.c loader/crt0.S \
loader/loader.c loader/loader.lds

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> ./sam7
response = 0d0a
it begins
sam7> set_clock
sam7> unlock_regions
unlocking page 0: done
unlocking page 1: done
sam7> flash test.bin
>

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#!/bin/bash
autoreconf --install

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/*
* cmd.c
*
* Copyright (C) 2005 Erik Gilling, all rights reserved.
*
* 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, version 2.
*
*/
#include "config.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include "samba.h"
#include "cmd.h"
#include "loader128_data.h"
#include "loader256_data.h"
#define MANUAL_FLASH
static int cmd_help( int argc, char *argv[] );
static int cmd_version( int argc, char *argv[] );
static int cmd_write_mem( int argc, char *argv[] );
static int cmd_read_mem( int argc, char *argv[] );
static int cmd_send_file( int argc, char *argv[] );
static int cmd_set_clock( int argc, char *argv[] );
static int cmd_locked_regions( int argc, char *argv[] );
static int cmd_unlock_regions( int argc, char *argv[] );
static int cmd_boot_from_flash( int argc, char *argv[] );
static int cmd_flash( int argc, char *argv[] );
static int cmd_read( int argc, char *argv[] );
static int cmd_manual_flash( int argc, char *argv[] );
static int cmd_manual_read( int argc, char *argv[] );
static cmd_t cmds[] = {
{cmd_write_mem, "wb",
"wb <addr> <byte>", "write <byte> to <addr>"},
{cmd_read_mem, "rb",
"rb <addr>", "read byte from <addr>"},
{cmd_write_mem, "ws",
"ws <addr> <short>", "write <short> to <addr>"},
{cmd_read_mem, "rs",
"rs <addr>", "read short from <addr>"},
{cmd_write_mem, "ww",
"ww <addr> <word>", "write <word> to <addr>"},
{cmd_read_mem, "rw",
"rw <addr>", "read word from <addr>"},
{cmd_send_file, "sf",
"sf <addr> <file> <offset> <len>",
"send len bytes of file starting at offset"},
{cmd_set_clock, "set_clock",
"set_clock", "set clock as SAM-BA does"},
{cmd_locked_regions, "locked_regions",
"locked_regions", "display locked regions"},
{cmd_unlock_regions, "unlock_regions",
"unlock_regions", "unlock all lock regions"},
{cmd_boot_from_flash, "boot_from_flash",
"boot_from_flash", "set the SAM7X to boot from flash"},
{cmd_flash, "flash",
"flash <file>", "upload <file> to flash using the loader"},
{cmd_read, "read",
"read <file> <addr> <len>", "read <len> bytes at <addr> to <file> using R commands"},
{cmd_manual_flash, "manual_flash",
"manual_flash <file>", "upload <file> to flash using ww commands"},
{cmd_manual_read, "manual_read",
"manual_read <file> <addr> <len>", "write <len> bytes at <addr> to <file> using rw commands"},
{cmd_version, "version",
"version", "get boot program version"},
{cmd_help, "help",
"help", "display help screen"}
};
cmd_t *cmd_find( char *name )
{
int i;
for( i=0 ; i<(sizeof(cmds)/
sizeof(*cmds)); i++ ) {
if( !strcmp( name, cmds[i].name ) ) {
return &cmds[i];
}
}
return NULL;
}
static int cmd_help( int argc, char *argv[] )
{
int i;
for( i=0 ; i<(sizeof(cmds)/
sizeof(*cmds)); i++ ) {
printf( "%-30s%s\n", cmds[i].invo, cmds[i].help );
}
return 0;
}
static int cmd_write_mem( int argc, char *argv[] )
{
unsigned long int addr;
unsigned long int val;
char *endp;
if( argc != 3 ) {
return CMD_E_WRONG_NUM_ARGS;
}
addr = strtoul( argv[1], &endp, 0 );
if( endp == argv[1] ||
*endp != '\0' ) {
return CMD_E_INVAL_ARG;
}
val = strtoul( argv[2], &endp, 0 );
if( endp == argv[1] ||
*endp != '\0' ) {
return CMD_E_INVAL_ARG;
}
switch( argv[0][1] ) {
case 'b':
if( samba_write_byte( addr, (uint8_t) val ) < 0 ) {
return CMD_E_IO_FAILURE;
}
break;
case 's':
if( samba_write_half_word( addr, (uint16_t) val ) < 0 ) {
return CMD_E_IO_FAILURE;
}
break;
case 'w':
if( samba_write_word( addr, (uint32_t) val ) < 0 ) {
return CMD_E_IO_FAILURE;
}
break;
}
return CMD_E_OK;
}
static int cmd_read_mem( int argc, char *argv[] )
{
unsigned long int addr;
char *endp;
if( argc != 2 ) {
return CMD_E_WRONG_NUM_ARGS;
}
addr = strtoul( argv[1], &endp, 0 );
if( endp == argv[1] ||
*endp != '\0' ) {
return CMD_E_INVAL_ARG;
}
switch( argv[0][1] ) {
case 'b':
{
uint8_t val;
if( samba_read_byte( addr, &val ) < 0 ) {
return CMD_E_IO_FAILURE;
}
printf( "%02X\n", val );
}
break;
case 's':
{
uint16_t val;
if( samba_read_half_word( addr, &val ) < 0 ) {
return CMD_E_IO_FAILURE;
}
printf( "%04X\n", val );
}
break;
case 'w':
{
uint32_t val;
if( samba_read_word( addr, &val ) < 0 ) {
return CMD_E_IO_FAILURE;
}
printf( "%08X\n", (unsigned int) val );
}
break;
}
return CMD_E_OK;
}
static int cmd_send_file( int argc, char *argv[] )
{
unsigned long int offset;
unsigned long int len;
unsigned long int addr;
char *endp;
uint8_t *data;
int fd;
if( argc != 5 ) {
return CMD_E_WRONG_NUM_ARGS;
}
addr = strtoul( argv[1], &endp, 0 );
if( endp == argv[1] ||
*endp != '\0' ) {
return CMD_E_INVAL_ARG;
}
offset = strtoul( argv[3], &endp, 0 );
if( endp == argv[1] ||
*endp != '\0' ) {
return CMD_E_INVAL_ARG;
}
len = strtoul( argv[4], &endp, 0 );
if( endp == argv[1] ||
*endp != '\0' ) {
return CMD_E_INVAL_ARG;
}
if( (data = (uint8_t *) malloc( len )) == NULL ) {
printf( "can't allocate %d bytes\n", (int)len );
return CMD_E_NO_MEM;
}
if( (fd = open( argv[2], O_RDONLY )) < 0 ) {
printf( "can't open file \"%s\": %s\n", argv[2],
strerror( errno ) );
return CMD_E_BAD_FILE;
}
lseek( fd, offset, SEEK_SET );
len = read( fd, data, len );
if( samba_send_file( 0x202000, data, len ) < 0 ) {
return CMD_E_IO_FAILURE;
}
return CMD_E_OK;
}
static int cmd_version( int argc, char *argv[] )
{
char buff[256];
if( samba_get_version( buff, 256 ) < 0 ) {
return CMD_E_IO_FAILURE;
}
printf( "%s\n", buff );
return CMD_E_OK;
}
static int cmd_set_clock( int argc, char *argv[] )
{
uint32_t val;
uint8_t val8;
/* set clock to main clock / 2 */
if( samba_write_word( 0xFFFFFC30, 0x5 ) < 0 ) {
return -1;
}
do {
if( samba_read_word( 0xFFFFFC68, &val ) < 0 ) {
return -1;
}
} while( val != 0xD );
/* set clock to pll clock / 2 */
if( samba_write_word( 0xFFFFFC30, 0x7 ) < 0 ) {
return -1;
}
do {
if( samba_read_word( 0xFFFFFC68, &val ) < 0 ) {
return -1;
}
} while( val != 0xD );
/* read 0x200000 two times because SAM-BA does it */
if( samba_read_byte( 0x00200000, &val8 ) < 0 ) {
return -1;
}
if( val8 != 0x13 ) {
printf( "warning: magic read 0x00200000 != 0x13\n" );
}
if( samba_read_byte( 0x00200000, &val8 ) < 0 ) {
return -1;
}
if( val8 != 0x13 ) {
printf( "warning: magic read 0x00200000 != 0x13\n" );
}
return 0;
}
static int cmd_locked_regions( int argc, char *argv[] )
{
uint32_t val;
int i;
if( samba_read_word( 0xffffff68, &val ) < 0 ) {
return -1;
}
printf( "Locked Regions:" );
for( i=0 ; i<16 ; i++ ) {
if( val & 0x00010000 ) {
printf( " %i", i );
}
val >>= 1;
}
printf( "\n" );
return 0;
}
static int cmd_unlock_regions( int argc, char *argv[] )
{
uint32_t val;
int i;
if( samba_read_word( 0xffffff68, &val ) < 0 ) {
return -1;
}
if( val & 0xffff0000 ) {
/* set up MCLKS to some odd value... hey SAM-BA does it */
if( samba_write_word( 0xffffff60, 0x00050100 ) < 0 ) {
return -1;
}
for( i=0 ; i<samba_chip_info.lock_bits; i++ ) {
if( val & 0x00010000 ) {
int page = (samba_chip_info.nvpsiz / samba_chip_info.page_size /
samba_chip_info.lock_bits) * i;
printf( "unlocking region %i:", i );
if( samba_write_word( 0xffffff64,
0x5a000004 | (page << 8) ) < 0 ) {
return -1;
}
printf( " done\n" );
}
val >>= 1;
}
/* set up MCLKS back to a sane value */
if( samba_write_word( 0xffffff60, 0x00480100 ) < 0 ) {
return -1;
}
}
printf( "\n" );
return 0;
}
/* contributed by Liam Staskawicz */
static int cmd_boot_from_flash( int argc, char *argv[] )
{
/*
* word: 5A is key to send any message,
* 02 is GPNVM2 to boot from Flash,
* 0B is "set this bit"
*/
uint32_t val;
do {
if( samba_read_word( 0xffffff68, &val ) < 0 ) {
return -1;
}
} while( !val & 0x1 );
if( samba_write_word( 0xFFFFFF64, 0x5A00020B ) < 0 ) {
printf( "Couldn't flip the bit to boot from Flash.\n" );
return -1;
}
return 0;
}
static int cmd_flash( int argc, char *argv[] )
{
struct stat stbuf;
size_t loader_len;
size_t file_len;
size_t i;
uint8_t *buff;
int file_fd;
int read_len;
int ps = samba_chip_info.page_size;
uint8_t *loader_data;
if( argc != 2 ) {
return CMD_E_WRONG_NUM_ARGS;
}
if( ps == 128 ) {
loader_data = loader128_data;
loader_len = sizeof( loader128_data );
} else if( ps == 256 ) {
loader_data = loader256_data;
loader_len = sizeof( loader256_data );
} else {
printf( "no loader for %d byte pages\n", ps );
return -1;
}
if( stat( argv[1], &stbuf ) < 0 ) {
printf( "%s not found\n", argv[1] );
return -1;
}
file_len = stbuf.st_size;
if( (buff = (uint8_t *) malloc( ps ) ) == NULL ) {
printf( "can't alocate buffer of size 0x%x\n", ps );
goto error0;
}
if( samba_send_file( 0x00201600, loader_data, loader_len ) < 0 ) {
printf( "could not upload samba.bin\n" );
goto error1;
}
if( (file_fd = open( argv[1], O_RDONLY )) < 0 ) {
printf( "can't open %s\n", argv[1] );
return -1;
}
for( i=0 ; i<file_len ; i+=ps ) {
/* set page # */
if( samba_write_word( 0x00201400+ps, i/ps ) < 0 ) {
printf( "could not write page %d address\n", (int) i/ps );
goto error2;
}
read_len = (file_len-i < ps)?file_len-i:ps;
/* XXX need to implement safe read */
if( read( file_fd, buff, read_len ) < read_len ) {
printf( "could not read 0x%x bytes from file\n", read_len );
goto error2;
}
if( samba_send_file( 0x00201400, buff, ps ) < 0 ) {
printf( "could not send page %d\n", (int) i/ps );
goto error2;
}
if( samba_go( 0x00201600 ) < 0 ) {
printf( "could not send go command for page %d\n", (int) i/ps );
goto error2;
}
}
free( buff );
close( file_fd );
return 0;
error2:
close( file_fd );
error1:
free( buff );
error0:
return -1;
}
static int cmd_manual_flash( int argc, char *argv[] )
{
struct stat stbuf;
size_t file_len;
size_t i,j;
char *buff;
int file_fd;
int read_len;
uint32_t val;
int ps = samba_chip_info.page_size;
if( argc != 2 ) {
return CMD_E_WRONG_NUM_ARGS;
}
if( stat( argv[1], &stbuf ) < 0 ) {
printf( "%s not found\n", argv[1] );
return -1;
}
file_len = stbuf.st_size;
if( (buff = (char *) malloc( ps )) == NULL ) {
printf( "can't alocate buffer of size 128\n" );
return -1;
}
if( (file_fd = open( argv[1], O_RDONLY )) < 0 ) {
printf( "can't open %s\n", argv[1] );
goto error0;
}
for( i=0 ; i<file_len ; i+=ps ) {
/* wait for flash to become ready */
do {
if( samba_read_word( 0xffffff68, &val ) < 0 ) {
goto error1;
}
} while( !val & 0x1 );
read_len = (file_len-i < ps)?file_len-i:ps;
/* XXX need to implement safe read */
if( read( file_fd, buff, read_len ) < read_len ) {
printf( "could not read 0x%x bytes from file\n", read_len );
goto error1;
}
for( j=0 ; j<ps ; j+=4 ) {
if( samba_write_word( 0x00100000 + i + j, *((uint32_t*)(buff+j))) < 0 ) {
printf( "could not write byte 0x%x\n", (unsigned int)( 0x00100000 + i + j) );
}
}
/* send write command */
if( samba_write_word( 0xFFFFFF64, 0x5A000001 | ((i/ps) << 8) ) < 0 ) {
printf( "could not send write command for page %d\n", (int) i/ps );
goto error1;
}
}
free( buff );
close( file_fd );
return 0;
error1:
close( file_fd );
error0:
free( buff );
return -1;
}
static int cmd_manual_read( int argc, char *argv[] )
{
unsigned long int addr;
unsigned long int len;
int fd;
int i;
uint32_t val;
char *endp;
if( argc != 4 ) {
printf( "wrong number of args\n" );
return CMD_E_WRONG_NUM_ARGS;
}
addr = strtoul( argv[2], &endp, 0 );
if( endp == argv[2] ||
*endp != '\0' ) {
printf("%s not a vaild number\n", argv[2]);
return CMD_E_INVAL_ARG;
}
len = strtoul( argv[3], &endp, 0 );
if( endp == argv[3] ||
*endp != '\0' ) {
printf("%s not a vaild number\n", argv[3]);
return CMD_E_INVAL_ARG;
}
if( (fd = open( argv[1], O_RDWR | O_CREAT, 0666 )) < 0 ) {
printf( "can't open file \"%s\": %s\n", argv[1],
strerror( errno ) );
return CMD_E_BAD_FILE;
}
for( i=0; i<len ; i+=4 ) {
if( samba_read_word( addr + i, &val ) < 0 ) {
printf( "io error\n" );
return CMD_E_IO_FAILURE;
}
if( write( fd, &val, 4 ) < 4 ) {
printf("write error\n" );
return CMD_E_IO_FAILURE;
}
}
close( fd );
return CMD_E_OK;
}
static int cmd_read( int argc, char *argv[] )
{
unsigned long int addr;
unsigned long int len;
int fd;
int i;
char *endp;
int read_len;
uint8_t buff[0x80];
if( argc != 4 ) {
printf( "wrong number of args\n");
return CMD_E_WRONG_NUM_ARGS;
}
addr = strtoul( argv[2], &endp, 0 );
if( endp == argv[2] ||
*endp != '\0' ) {
printf("%s not a vaild number\n", argv[2]);
return CMD_E_INVAL_ARG;
}
len = strtoul( argv[3], &endp, 0 );
if( endp == argv[3] ||
*endp != '\0' ) {
printf("%s not a vaild number\n", argv[3]);
return CMD_E_INVAL_ARG;
}
if( (fd = open( argv[1], O_RDWR | O_CREAT, 0666 )) < 0 ) {
printf( "can't open file \"%s\": %s\n", argv[1],
strerror( errno ) );
return CMD_E_BAD_FILE;
}
for( i=0; i<len ; i+=0x80 ) {
read_len = len-i < 0x80 ? len-i : 0x80;
if( samba_recv_file( addr + i, buff, read_len ) < 0 ) {
printf( "io error\n" );
return CMD_E_IO_FAILURE;
}
if( write( fd, buff, read_len ) < read_len ) {
printf("write error\n" );
return CMD_E_IO_FAILURE;
}
}
close( fd );
return CMD_E_OK;
}

33
cmd.h Normal file
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/*
* cmd.h
*
* Copyright (C) 2005 Erik Gilling, all rights reserved
*
* 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, version 2.
*
*/
#ifndef __cmd_h__
#define __cmd_h__
typedef struct {
int (* func)( int argc, char *argv[] );
char *name;
char *invo;
char *help;
} cmd_t;
#define CMD_E_OK 0
#define CMD_E_WRONG_NUM_ARGS -1
#define CMD_E_INVAL_ARG -2
#define CMD_E_IO_FAILURE -3
#define CMD_E_UNIMP -4
#define CMD_E_BAD_FILE -5
#define CMD_E_NO_MEM -6
cmd_t *cmd_find( char *name );
#endif /* __cmd_h__ */

44
configure.in Normal file
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AC_INIT([sam7utils], [0.2.1], [konkers@konkers.net])
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
AC_CANONICAL_TARGET
AM_INIT_AUTOMAKE(sam7utils,0.2.1)
AM_CONFIG_HEADER(config.h)
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_MAKE_SET
case "${host}" in
*-*-darwin* )
LIBS="$LIBS -framework IOKIT -framework CoreFoundation"
IOTYPE="iokit"
;;
*-*-cygwin* )
LIBS="$LIBS -lsetupapi"
IOTYPE="win32"
;;
* )
AC_CHECK_LIB(usb,usb_init,IOTYPE="libusb";LIBS="$LIBS -lusb",IOTYPE="posix")
;;
esac
AC_HEADER_STDC
AC_CHECK_LIB(readline, readline,,AC_MSG_ERROR(readline not found))
AC_CHECK_LIB(curses, tgoto,,AC_MSG_ERROR(curses not found))
AC_CHECK_HEADERS(stdint.h,,AC_MSG_WARN(can't find stdint.h))
AC_CHECK_HEADERS(ctype.h,,)
AC_CHECK_HEADERS(endian.h,,)
AC_SUBST(IOTYPE)
AC_OUTPUT(Makefile)

50
io.h Normal file
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/*
* io.h
*
* Copyright (C) 2005 Erik Gilling, all rights reserved
*
* 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, version 2.
*
*/
#ifndef __io_h__
#define __io_h__
#include <string.h> // for strlen
#include <unistd.h> // for usleep
#define USB_VID_ATMEL 0x03eb
#define USB_PID_SAMBA 0x6124
int io_init( char *dev );
int io_cleanup( void );
int io_write( void *buff, int len );
int io_read( void *buff, int len );
int io_read_response( char *buff, int len );
static inline int io_send_cmd( char *cmd, void *response, int response_len )
{
if( io_write( cmd, strlen( cmd ) ) < 0 ) {
return -1;
}
usleep( 2000 );
if( response_len == 0 ) {
return 0;
}
if( io_read( response, response_len ) < 0 ) {
return -1;
}
usleep( 2000 );
return 0;
}
#endif /* __io_h__ */

317
io_iokit.c Normal file
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/*
* io.c
*
* Copyright (C) 2005 Erik Gilling, all rights reserved
*
* 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, version 2.
*
*/
#include "config.h"
#include <stdio.h>
#include <mach/mach.h>
#include <CoreFoundation/CFNumber.h>
#include <IOKit/IOKitLib.h>
#include <IOKit/IOCFPlugIn.h>
#include <IOKit/usb/IOUSBLib.h>
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif
#include "io.h"
#include "samba.h"
static mach_port_t masterPort = 0;
static IOUSBDeviceInterface **usbDev = NULL;
static IOUSBInterfaceInterface **intf = NULL;
static UInt8 inPipeRef = 0;
static UInt8 outPipeRef = 0;
#undef DEBUG_IO
int do_intf(io_service_t usbInterfaceRef)
{
IOReturn err;
IOCFPlugInInterface **iodev;
SInt32 score;
UInt8 numPipes;
int i;
UInt8 direction, number, transferType, interval;
UInt16 maxPacketSize;
err = IOCreatePlugInInterfaceForService(usbInterfaceRef,
kIOUSBInterfaceUserClientTypeID,
kIOCFPlugInInterfaceID,
&iodev, &score);
if( err || !iodev ) {
printf("unable to create plugin. ret = %08x, iodev = %p\n", err, iodev);
return -1;
}
err = (*iodev)->QueryInterface(iodev,
CFUUIDGetUUIDBytes(kIOUSBInterfaceInterfaceID),
(LPVOID)&intf);
IODestroyPlugInInterface(iodev);
if (err || !intf) {
printf("unable to create a device interface. ret = %08x, intf = %p\n",
err, intf);
return -1;
}
err = (*intf)->USBInterfaceOpen(intf);
if (err) {
printf("unable to open interface. ret = %08x\n", err);
return -1;
}
err = (*intf)->GetNumEndpoints(intf, &numPipes);
if (err) {
printf("unable to get number of endpoints. ret = %08x\n", err);
return -1;
}
if (numPipes) {
for (i=1; i <= numPipes; i++) {
err = (*intf)->GetPipeProperties(intf, i, &direction,
&number, &transferType,
&maxPacketSize, &interval);
if (err) {
printf("unable to get pipe properties for pipe %d, err = %08x\n",
i, err);
continue;
}
if (transferType != kUSBBulk) {
continue;
}
if ((direction == kUSBIn) && !inPipeRef) {
inPipeRef = i;
}
if ((direction == kUSBOut) && !outPipeRef) {
outPipeRef = i;
}
}
}
if( !inPipeRef || !outPipeRef ) {
(*intf)->USBInterfaceClose(intf);
(*intf)->Release(intf);
intf = NULL;
return -1;
}
return 0;
}
static int do_dev( io_service_t usbDeviceRef )
{
IOReturn err;
IOCFPlugInInterface **iodev; // requires <IOKit/IOCFPlugIn.h>
SInt32 score;
UInt8 numConf;
IOUSBConfigurationDescriptorPtr confDesc;
IOUSBFindInterfaceRequest interfaceRequest;
io_iterator_t iterator;
io_service_t usbInterfaceRef;
err = IOCreatePlugInInterfaceForService(usbDeviceRef,
kIOUSBDeviceUserClientTypeID,
kIOCFPlugInInterfaceID, &iodev, &score);
if (err || !iodev) {
printf("unable to create plugin. ret = %08x, iodev = %p\n",
err, iodev);
return -1;
}
err = (*iodev)->QueryInterface(iodev,
CFUUIDGetUUIDBytes(kIOUSBDeviceInterfaceID),
(LPVOID)&usbDev);
IODestroyPlugInInterface(iodev); // done with this
if (err || !usbDev) {
printf("unable to create a device interface. ret = %08x, dev = %p\n",
err, usbDev);
return -1;
}
err = (*usbDev)->USBDeviceOpen(usbDev);
if (err) {
printf("unable to open device. ret = %08x\n", err);
return -1;
}
err = (*usbDev)->GetNumberOfConfigurations(usbDev, &numConf);
if (err || !numConf) {
printf("unable to obtain the number of configurations. ret = %08x\n", err);
return -1;
}
err = (*usbDev)->GetConfigurationDescriptorPtr(usbDev, 0, &confDesc); // get the first config desc (index 0)
if (err) {
printf("unable to get config descriptor for index 0\n");
return -1;
}
err = (*usbDev)->SetConfiguration(usbDev, confDesc->bConfigurationValue);
if (err) {
printf("unable to set the configuration\n");
return -1;
}
// requested class
interfaceRequest.bInterfaceClass = kIOUSBFindInterfaceDontCare;
// requested subclass
interfaceRequest.bInterfaceSubClass = kIOUSBFindInterfaceDontCare;
// requested protocol
interfaceRequest.bInterfaceProtocol = kIOUSBFindInterfaceDontCare;
// requested alt setting
interfaceRequest.bAlternateSetting = kIOUSBFindInterfaceDontCare;
err = (*usbDev)->CreateInterfaceIterator(usbDev, &interfaceRequest, &iterator);
if (err) {
printf("unable to create interface iterator\n");
return -1;
}
while( (usbInterfaceRef = IOIteratorNext(iterator)) ) {
if( do_intf( usbInterfaceRef ) == 0 ) {
IOObjectRelease(iterator);
iterator = 0;
return 0;
}
}
IOObjectRelease(iterator);
iterator = 0;
return -1;
}
int io_init( char *dev __attribute__((unused)) )
{
kern_return_t err;
CFMutableDictionaryRef matchingDictionary = 0;
CFNumberRef numberRef;
SInt32 idVendor = USB_VID_ATMEL;
SInt32 idProduct = USB_PID_SAMBA;
io_iterator_t iterator = 0;
io_service_t usbDeviceRef;
if( (err = IOMasterPort( MACH_PORT_NULL, &masterPort )) ) {
printf( "could not create master port, err = %08x\n", err );
return -1;
}
if( !(matchingDictionary = IOServiceMatching(kIOUSBDeviceClassName)) ) {
printf( "could not create matching dictionary\n" );
return -1;
}
if( !(numberRef = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type,
&idVendor)) ) {
printf( "could not create CFNumberRef for vendor\n" );
return -1;
}
CFDictionaryAddValue( matchingDictionary, CFSTR(kUSBVendorID), numberRef);
CFRelease( numberRef );
numberRef = 0;
if( !(numberRef = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type,
&idProduct)) ) {
printf( "could not create CFNumberRef for product\n" );
return -1;
}
CFDictionaryAddValue( matchingDictionary, CFSTR(kUSBProductID), numberRef);
CFRelease( numberRef );
numberRef = 0;
err = IOServiceGetMatchingServices( masterPort, matchingDictionary, &iterator );
matchingDictionary = 0; // consumed by the above call
if( (usbDeviceRef = IOIteratorNext( iterator )) ) {
printf( "found boot agent\n" );
do_dev( usbDeviceRef );
} else {
printf( "can not find boot agent\n" );
return -1;
}
IOObjectRelease(usbDeviceRef);
IOObjectRelease(iterator);
return samba_init();
IOObjectRelease(usbDeviceRef);
IOObjectRelease(iterator);
return -1;
}
int io_cleanup( void )
{
if( intf ) {
(*intf)->USBInterfaceClose(intf);
(*intf)->Release(intf);
intf = NULL;
}
if( usbDev ) {
(*usbDev)->USBDeviceClose(usbDev);
(*usbDev)->Release(usbDev);
usbDev = NULL;
}
return 0;
}
int io_write( void *buff, int len )
{
if( (*intf)->WritePipe( intf, outPipeRef, buff, (UInt32) len ) !=
kIOReturnSuccess ) {
printf( "write error\n");
}
return len;
}
int io_read( void *buff, int len )
{
UInt32 size = len;
if( (*intf)->ReadPipe( intf, inPipeRef, buff, &size ) !=
kIOReturnSuccess ) {
printf( "read error\n");
}
return (int) size;
}

70
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#include "config.h"
#include <usb.h>
#include <stdio.h>
#include "io.h"
#include "samba.h"
static usb_dev_handle *io_handle;
int io_init( char *dev )
{
struct usb_bus *bus;
struct usb_device *usbdev;
usb_init(); /* initialize the library */
usb_find_busses(); /* find all busses */
usb_find_devices(); /* find all connected devices */
for(bus = usb_get_busses(); bus; bus = bus->next) {
for(usbdev = bus->devices; usbdev; usbdev = usbdev->next) {
if(usbdev->descriptor.idVendor == USB_VID_ATMEL
&& usbdev->descriptor.idProduct == USB_PID_SAMBA) {
if( (io_handle = usb_open(usbdev)) ) {
if( usb_set_configuration( io_handle, 1 ) < 0 ){
usb_close(io_handle);
continue;
}
if( usb_claim_interface( io_handle, 1 ) < 0 ){
usb_close(io_handle);
continue;
}
return samba_init();
}
}
}
}
return -1;
}
int io_cleanup( void )
{
usb_release_interface(io_handle, 1);
usb_close(io_handle);
return 0;
}
int io_write( void *buff, int len )
{
int ret = usb_bulk_write(io_handle, 0x1, buff, len, 5000);
if( ret < 0 ) {
printf("error: %s\n", usb_strerror());
}
return ret;
}
int io_read( void *buff, int len )
{
int ret = usb_bulk_read(io_handle, 0x82, buff, len, 5000);
if( ret < 0 ) {
printf("error: %s\n", usb_strerror());
}
return ret;
}

149
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/*
* io.c
*
* Copyright (C) 2005 Erik Gilling, all rights reserved
*
* 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, version 2.
*
*/
#include "config.h"
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/select.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif
#include "io.h"
#include "samba.h"
static int io_fd;
#define SAM7_TTY "/dev/at91_0"
#undef DEBUG_IO
int io_init( char *dev )
{
if( dev == NULL ) {
dev = SAM7_TTY;
}
// char buff[16];
if( (io_fd = open( dev, O_RDWR )) < 0 ) {
printf( "can't open \"%s\": %s\n", dev, strerror( errno ) );
return -1;
}
return samba_init();
}
int io_cleanup( void )
{
close( io_fd );
return 0;
}
int io_write( void *buff, int len )
{
int write_len = 0;
int ret;
#ifdef DEBUG_IO
write( STDOUT_FILENO, ">", 1 );
write( STDOUT_FILENO, buff, len );
write( STDOUT_FILENO, "\n", 1 );
#endif
while( write_len < len ) {
if( (ret = write( io_fd, buff + write_len, len - write_len )) < 0 ) {
return -1;
}
write_len += ret;
}
return write_len;
}
int io_read( void *buff, int len )
{
#ifdef DEBUG_IO
int i;
char outbuff[16];
len = read( io_fd, buff, len );
write( STDOUT_FILENO, "<", 1 );
for( i=0 ; i<len ; i++ ) {
snprintf( outbuff, 16, " %02X", ((char*)buff)[i] & 0xff );
write( STDOUT_FILENO, outbuff, strlen(outbuff) );
}
write( STDOUT_FILENO, "\n", 1 );
return len;
#else
return read( io_fd, buff, len );
#endif
}
#if 0
int io_read_response( char *buff, int len )
{
int read_len = 0;
struct timeval tv;
fd_set fds;
int ret;
while( read_len < len ) {
tv.tv_sec = 1;
tv.tv_usec = 0;
FD_ZERO( &fds );
FD_SET( io_fd, &fds );
if( (ret = select( io_fd + 1, &fds, NULL, NULL, &tv )) < 0 ) {
if( errno == EINTR ) {
continue;
}
}
if( ret == 0 ) {
buff[read_len] = '\0';
printf( "timeout '%s'\n", buff);
return -read_len;
}
if( (ret = read( io_fd, buff + read_len, len - read_len )) < 0 ) {
return -1;
}
read_len += ret;
if( (read_len > 0) &&
buff[ read_len - 1 ] == '>' ) {
if( (read_len > 2) &&
buff[ read_len - 2 ] == '\r' &&
buff[ read_len - 3 ] == '\n' ) {
return buff[read_len - 3] = '\0' ;
return read_len-3 ;
} else {
return buff[read_len - 1] = '\0' ;
return read_len-1 ;
}
}
}
return read_len;
}
#endif

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/*
* io_win32.c
*
* Copyright (C) 2005 Erik Gilling, all rights reserved
*
* 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, version 2.
*
*
* USB device enumeration modeled from http://www.delcom-eng.com/downloads/USBPRGMNL.pdf
*
*/
#include "config.h"
#define WINVER 0x0500
#define INITGUID
#include <windows.h>
#include <setupapi.h>
#include <basetyps.h>
#include <stdio.h>
#include "io.h"
#include "samba.h"
// {E6EF7DCD-1795-4a08-9FBF-AA78423C26F0}
DEFINE_GUID(USBIODS_GUID,
0xe6ef7dcd, 0x1795, 0x4a08, 0x9f, 0xbf, 0xaa, 0x78, 0x42, 0x3c, 0x26, 0xf0);
HANDLE io_pipe_in, io_pipe_out;
int io_init( char *dev )
{
char *devname;
// char buff[16];
HDEVINFO hInfo = SetupDiGetClassDevs(&USBIODS_GUID, NULL,
NULL, DIGCF_PRESENT |
DIGCF_INTERFACEDEVICE);
SP_INTERFACE_DEVICE_DATA Interface_Info;
Interface_Info.cbSize = sizeof(Interface_Info);
// Enumerate device
if( !SetupDiEnumDeviceInterfaces(hInfo, NULL, (LPGUID)
&USBIODS_GUID,0, &Interface_Info ) ) {
printf( "can't find boot agent\n");
goto error0;
}
DWORD needed; // get the required lenght
SetupDiGetInterfaceDeviceDetail(hInfo, &Interface_Info,
NULL, 0, &needed, NULL);
PSP_INTERFACE_DEVICE_DETAIL_DATA detail =
(PSP_INTERFACE_DEVICE_DETAIL_DATA) malloc(needed);
if( !detail ) {
printf( "can't find boot agent\n");
goto error0;
return(-1);
}
// fill the device details
detail->cbSize = sizeof(SP_INTERFACE_DEVICE_DETAIL_DATA);
if( !SetupDiGetInterfaceDeviceDetail( hInfo,
&Interface_Info,detail,
needed,NULL, NULL )) {
printf( "can't find boot agent\n");
goto error1;
}
devname = (char *) malloc( strlen( detail->DevicePath ) + 7 );
strcpy( devname, detail->DevicePath );
strcat( devname, "\\PIPE00" );
printf( "%s\n", devname );
// open out
io_pipe_out = CreateFile( devname, GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ, NULL, OPEN_EXISTING,
0, NULL );
if( io_pipe_out == INVALID_HANDLE_VALUE ) {
printf( "can't open output pipe\n" );
goto error2;
}
strcpy( devname, detail->DevicePath );
strcat( devname, "\\PIPE01" );
// open in
io_pipe_in = CreateFile( devname, GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ, NULL, OPEN_EXISTING,
0, NULL );
if( io_pipe_in == INVALID_HANDLE_VALUE ) {
printf( "can't open input pipe\n" );
goto error3;
}
free((PVOID) detail);
free( devname );
return samba_init();
return 0;
// return samba_init();
error3:
CloseHandle( io_pipe_out );
error2:
free( devname );
error1:
free((PVOID) detail);
error0:
SetupDiDestroyDeviceInfoList(hInfo);
return -1;
}
int io_cleanup( void )
{
CloseHandle( io_pipe_out );
CloseHandle( io_pipe_in );
return 0;
}
int io_write( void *buff, int len )
{
int write_len = 0;
DWORD bytes_written;
while( write_len < len ) {
if( !WriteFile( io_pipe_out, buff + write_len,
len - write_len, &bytes_written, NULL ) ) {
return -1;
}
write_len += bytes_written;
}
return write_len;
}
int io_read( void *buff, int len )
{
int read_len = 0;
DWORD bytes_read;
while( read_len < len ) {
if( !ReadFile( io_pipe_in, buff + read_len,
len - read_len, &bytes_read, NULL ) ) {
return -1;
}
read_len += bytes_read;
}
return read_len;
}

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uint8_t loader128_data[] = {
0x0c, 0xd0, 0x9f, 0xe5, 0x00, 0x40, 0x2d, 0xe9,
0x02, 0x00, 0x00, 0xeb, 0x01, 0x00, 0xbd, 0xe8,
0x10, 0xff, 0x2f, 0xe1, 0x00, 0x1c, 0x20, 0x00,
0x30, 0x40, 0x2d, 0xe9, 0x02, 0xe6, 0xa0, 0xe3,
0x05, 0xeb, 0x8e, 0xe2, 0x80, 0x50, 0x9e, 0xe5,
0x4c, 0x40, 0x9f, 0xe5, 0x85, 0x02, 0xa0, 0xe1,
0x68, 0x30, 0x94, 0xe5, 0x01, 0x00, 0x13, 0xe3,
0xfc, 0xff, 0xff, 0x0a, 0x00, 0x10, 0xa0, 0xe3,
0x01, 0xc6, 0xa0, 0xe3, 0x01, 0x20, 0x80, 0xe0,
0x01, 0x31, 0x9e, 0xe7, 0x01, 0x10, 0x81, 0xe2,
0x1f, 0x00, 0x51, 0xe3, 0x02, 0x31, 0x8c, 0xe7,
0xf9, 0xff, 0xff, 0xda, 0x05, 0x3b, 0xa0, 0xe1,
0x23, 0x3b, 0xa0, 0xe1, 0x03, 0x34, 0xa0, 0xe1,
0x5a, 0x34, 0x83, 0xe3, 0x01, 0x30, 0x83, 0xe3,
0x00, 0x00, 0xa0, 0xe3, 0x64, 0x30, 0x84, 0xe5,
0x30, 0x80, 0xbd, 0xe8, 0x00, 0xff, 0xff, 0xff
};

18
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uint8_t loader256_data[] = {
0x0c, 0xd0, 0x9f, 0xe5, 0x00, 0x40, 0x2d, 0xe9,
0x02, 0x00, 0x00, 0xeb, 0x01, 0x00, 0xbd, 0xe8,
0x10, 0xff, 0x2f, 0xe1, 0x00, 0x1c, 0x20, 0x00,
0x30, 0x40, 0x2d, 0xe9, 0x02, 0xe6, 0xa0, 0xe3,
0x05, 0xeb, 0x8e, 0xe2, 0x00, 0x51, 0x9e, 0xe5,
0x4c, 0x40, 0x9f, 0xe5, 0x05, 0x03, 0xa0, 0xe1,
0x68, 0x30, 0x94, 0xe5, 0x01, 0x00, 0x13, 0xe3,
0xfc, 0xff, 0xff, 0x0a, 0x00, 0x10, 0xa0, 0xe3,
0x01, 0xc6, 0xa0, 0xe3, 0x01, 0x20, 0x80, 0xe0,
0x01, 0x31, 0x9e, 0xe7, 0x01, 0x10, 0x81, 0xe2,
0x3f, 0x00, 0x51, 0xe3, 0x02, 0x31, 0x8c, 0xe7,
0xf9, 0xff, 0xff, 0xda, 0x05, 0x3b, 0xa0, 0xe1,
0x23, 0x3b, 0xa0, 0xe1, 0x03, 0x34, 0xa0, 0xe1,
0x5a, 0x34, 0x83, 0xe3, 0x01, 0x30, 0x83, 0xe3,
0x00, 0x00, 0xa0, 0xe3, 0x64, 0x30, 0x84, 0xe5,
0x30, 0x80, 0xbd, 0xe8, 0x00, 0xff, 0xff, 0xff
};

170
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/*
* main.c
*
* Copyright (C) 2005 Erik Gilling, all rights reserved
*
* 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, version 2.
*
*/
#include "config.h"
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#ifdef HAVE_CTYPE_H
#include <ctype.h>
#endif
#include <readline/readline.h>
#include <readline/history.h>
#include <getopt.h>
#include "io.h"
#include "samba.h"
#include "cmd.h"
#define SAM7_TTY "/dev/at91_0"
static int sam7_parse_line( char *line, char *argv[] );
static int sam7_handle_line( char *line );
static void usage( void );
#define MAX_CMDS 32
int main( int argc, char *argv[] )
{
char *cmdline;
char *line = NULL;
char *cmds[MAX_CMDS];
int n_cmds=0;
int c,i;
while( 1 ) {
int option_index;
static struct option long_options[] = {
{ "line", 1, 0, 'l' },
{ "exec", 1, 0, 'e' },
{ "help", 0, 0, 'h' }
};
c = getopt_long( argc, argv, "l:e:h", long_options, &option_index );
if( c == -1 ) {
break;
}
switch( c ) {
case 'l':
line = optarg;
break;
case 'e':
if( n_cmds >= MAX_CMDS ) {
printf( "to many commands, increase MAX_CMDS\n" );
return 1;
}
cmds[n_cmds] = optarg;
n_cmds++;
break;
case 'h':
usage();
return 0;
break;
default:
printf( "unknown option\n" );
usage();
return 1;
}
}
if( io_init( line ) < 0 ) {
return 1;
}
if( n_cmds > 0 ) {
for( i=0 ; i<n_cmds ; i++ ) {
sam7_handle_line( cmds[i] );
}
} else {
while( (cmdline = readline( "sam7> " )) ) {
add_history( cmdline );
sam7_handle_line( cmdline );
}
}
io_cleanup();
return 0;
}
static void usage( void )
{
printf( "usage: sam7 [options]\n" );
printf( " -e|--exec <cmd> execute cmd instead of entering interactive mode.\n");
printf( " -l|--line <line> specifies the line/tty which the boot agent resides.\n");
printf( " only used for posix IO.\n" );
printf( " -h|--help dislay this message and exit.\n");
}
static int sam7_parse_line( char *line, char *argv[] )
{
char *p = line;
int argc = 0;
while( *p ) {
// eat white space
while( *p && isspace( *p ) ) { p++; }
if( ! *p ) {
break;
}
argv[argc++] = p;
while( *p && !isspace( *p ) ) { p++; }
if( *p ) {
*p++ = '\0';
}
}
return argc;
}
static int sam7_handle_line( char *line )
{
int argc;
char buff[256];
char *argv[32];
cmd_t *cmd;
strncpy( buff, line, 255 );
buff[255] = '\0';
argc = sam7_parse_line( buff, argv );
if( argc > 0 ) {
if( (cmd = cmd_find( argv[0] )) != NULL ) {
return cmd->func( argc, argv );
}
printf( "command %s not found\n", argv[0] );
return -1;
}
return 0;
}

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/*
* samba.c
*
* Copyright (C) 2005,2006 Erik Gilling, all rights reserved
*
* 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, version 2.
*
*/
#include "config.h"
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#ifdef HAVE_ENDIAN_H
#include <endian.h>
#endif
#ifdef HAVE_LOCALENDIAN_H
#include <localendian.h>
#endif
#include "io.h"
#include "samba.h"
#ifndef __BYTE_ORDER
# define __LITTLE_ENDIAN 4321
# define __BIG_ENDIAN 1234
# ifdef __LITTLE_ENDIAN__
# define __BYTE_ORDER __LITTLE_ENDIAN
# endif
# ifdef __BIG_ENDIAN__
# define __BYTE_ORDER __BIG_ENDIAN
# endif
#endif
#if defined( __BYTE_ORDER )
# if __BYTE_ORDER == __LITTLE_ENDIAN
# define le2hl(x) (x)
# define le2hs(x) (x)
# endif
# if __BYTE_ORDER == __BIG_ENDIAN
# define le2hl(x) \
((unsigned long int)((((unsigned long int)(x) & 0x000000ffU) << 24) | \
(((unsigned long int)(x) & 0x0000ff00U) << 8) | \
(((unsigned long int)(x) & 0x00ff0000U) >> 8) | \
(((unsigned long int)(x) & 0xff000000U) >> 24)))
# define le2hs(x) \
((unsigned short int)((((unsigned short int)(x) & 0x00ff) << 8) | \
(((unsigned short int)(x) & 0xff00) >> 8)))
# endif
#endif
#define hl2le(x) le2hl(x)
#define hs2le(x) le2hs(x)
static const char *eprocs[] = {
/* 000 */ "",
/* 001 */ "ARM946E-S",
/* 010 */ "ARM7TDMI",
/* 011 */ "",
/* 100 */ "ARM920T",
/* 101 */ "ARM926EJ-S",
/* 110 */ "",
/* 111 */ ""
};
#define K 1024
static const int nvpsizs[] = {
/* 0000 */ 0,
/* 0001 */ 8 * K,
/* 0010 */ 16 * K,
/* 0011 */ 32 * K,
/* 0100 */ -1,
/* 0101 */ 64 * K,
/* 0110 */ -1,
/* 0111 */ 128 * K,
/* 1000 */ -1,
/* 1001 */ 256 * K,
/* 1010 */ 512 * K,
/* 1011 */ -1,
/* 1100 */ 1024 * K,
/* 1101 */ -1,
/* 1110 */ 2048 * K,
/* 1111 */ -1
};
static const int sramsizs[] = {
/* 0000 */ -1,
/* 0001 */ 1 * K,
/* 0010 */ 2 * K,
/* 0011 */ -1,
/* 0100 */ 112 * K,
/* 0101 */ 4 * K,
/* 0110 */ 80 * K,
/* 0111 */ 160 * K,
/* 1000 */ 8 * K,
/* 1001 */ 16 * K,
/* 1010 */ 32 * K,
/* 1011 */ 64 * K,
/* 1100 */ 128 * K,
/* 1101 */ 256 * K,
/* 1110 */ 96 * K,
/* 1111 */ 512 * K
};
static const struct { unsigned id; const char *name; } archs[] = {
{AT91_ARCH_AT75Cxx, "AT75Cxx"},
{AT91_ARCH_AT91x40, "AT91x40"},
{AT91_ARCH_AT91x63, "AT91x63"},
{AT91_ARCH_AT91x55, "AT91x55"},
{AT91_ARCH_AT91x42, "AT91x42"},
{AT91_ARCH_AT91x92, "AT91x92"},
{AT91_ARCH_AT91x34, "AT91x34"},
{AT91_ARCH_AT91SAM7Axx, "AT91SAM7Axx"},
{AT91_ARCH_AT91SAM7Sxx, "AT91SAM7Sxx"},
{AT91_ARCH_AT91SAM7XC, "AT91SAM7XC"},
{AT91_ARCH_AT91SAM7SExx, "AT91SAM7SExx"},
{AT91_ARCH_AT91SAM7Lxx, "AT91SAM7Lxx"},
{AT91_ARCH_AT91SAM7Xxx, "AT91SAM7Xxx"},
{AT91_ARCH_AT91SAM9xx, "AT91SAM9xx"}
};
const char *at91_arch_str( int id ) {
int i;
for( i=0 ; i<(sizeof(archs)/sizeof(*archs)) ; i++ ) {
if( archs[i].id == id ) {
return archs[i].name;
}
}
return "";
}
at91_chip_info_t samba_chip_info;
int samba_init( void )
{
uint32_t chipid;
uint16_t response;
if( io_send_cmd( "N#", &response, sizeof( response ) ) < 0 ) {
printf( "can't init boot program: %s\n", strerror( errno ) );
return -1;
}
if( samba_read_word( 0xfffff240, &chipid ) < 0 ) {
return -1;
}
samba_chip_info.version = AT91_CHIPID_VERSION( chipid );
samba_chip_info.eproc = AT91_CHIPID_EPROC( chipid );
samba_chip_info.nvpsiz = nvpsizs[AT91_CHIPID_NVPSIZ( chipid )];
samba_chip_info.nvpsiz2 = nvpsizs[AT91_CHIPID_NVPSIZ2( chipid )];
samba_chip_info.sramsiz = sramsizs[AT91_CHIPID_SRAMSIZ( chipid )];
samba_chip_info.arch = AT91_CHIPID_ARCH( chipid );
if( samba_chip_info.arch == AT91_ARCH_AT91SAM7Sxx ) {
switch( samba_chip_info.nvpsiz) {
case 32*K:
samba_chip_info.page_size = 128;
samba_chip_info.lock_bits = 8;
break;
case 64*K:
samba_chip_info.page_size = 128;
samba_chip_info.lock_bits = 16;
break;
case 128*K:
samba_chip_info.page_size = 256;
samba_chip_info.lock_bits = 8;
break;
case 256*K:
samba_chip_info.page_size = 256;
samba_chip_info.lock_bits = 16;
break;
default:
printf( "unknown sam7s flash size %d\n", samba_chip_info.nvpsiz );
return -1;
}
} else if( samba_chip_info.arch == AT91_ARCH_AT91SAM7SExx ) {
switch( samba_chip_info.nvpsiz) {
case 32*K:
samba_chip_info.page_size = 128;
samba_chip_info.lock_bits = 8;
break;
case 64*K:
samba_chip_info.page_size = 128;
samba_chip_info.lock_bits = 16;
break;
case 128*K:
samba_chip_info.page_size = 256;
samba_chip_info.lock_bits = 8;
break;
case 256*K:
samba_chip_info.page_size = 256;
samba_chip_info.lock_bits = 16;
break;
case 512*K:
samba_chip_info.page_size = 256;
samba_chip_info.lock_bits = 32;
break;
default:
printf( "unknown sam7se flash size %d\n", samba_chip_info.nvpsiz );
return -1;
}
} else if( samba_chip_info.arch == AT91_ARCH_AT91SAM7Xxx ) {
switch( samba_chip_info.nvpsiz ) {
case 128*K:
samba_chip_info.page_size = 256;
samba_chip_info.lock_bits = 8;
break;
case 256*K:
samba_chip_info.page_size = 256;
samba_chip_info.lock_bits = 16;
break;
default:
printf( "unknown sam7x srflashsize %d\n", samba_chip_info.nvpsiz );
return -1;
}
} else {
printf( "Page size info of %s not known\n",
at91_arch_str( samba_chip_info.arch ) );
return -1;
}
printf("Chip Version: %d\n", samba_chip_info.version );
printf("Embedded Processor: %s\n", eprocs[samba_chip_info.eproc] );
printf("NVRAM Region 1 Size: %d K\n", samba_chip_info.nvpsiz / K );
printf("NVRAM Region 2 Size: %d K\n", samba_chip_info.nvpsiz2 / K );
printf("SRAM Size: %d K\n", samba_chip_info.sramsiz / K );
printf("Series: %s\n", at91_arch_str( samba_chip_info.arch ) );
printf("Page Size: %d bytes\n", samba_chip_info.page_size );
printf("Lock Regions: %d\n", samba_chip_info.lock_bits );
return 0;
}
int samba_write_byte( uint32_t addr, uint8_t value )
{
char cmd[64];
snprintf( cmd, 64, "O%08X,%02X#", (unsigned int) addr,
(unsigned int) value );
return io_send_cmd( cmd, NULL, 0 );
}
int samba_read_byte( uint32_t addr, uint8_t *value )
{
char cmd[64];
snprintf( cmd, 64, "o%08X,1#", (unsigned int) addr );
return io_send_cmd( cmd, value, 1 );
}
int samba_write_half_word( uint32_t addr, uint16_t value )
{
char cmd[64];
snprintf( cmd, 64, "H%08X,%04X#", (unsigned int) addr,
(unsigned int) value );
return io_send_cmd( cmd, NULL, 0 );
}
int samba_read_half_word( uint32_t addr, uint16_t *value )
{
char cmd[64];
int err;
snprintf( cmd, 64, "h%X,2#", (unsigned int) addr );
err = io_send_cmd( cmd, value, 2 );
*value = le2hs( *value );
return err;
}
int samba_write_word( uint32_t addr, uint32_t value )
{
char cmd[64];
snprintf( cmd, 64, "W%08X,%08X#", (unsigned int) addr,
(unsigned int) value );
return io_send_cmd( cmd, NULL, 0 );
}
int samba_read_word( uint32_t addr, uint32_t *value )
{
char cmd[64];
int err;
snprintf( cmd, 64, "w%08X,4#", (unsigned int) addr );
err = io_send_cmd( cmd, value, 4 );
*value = le2hl( *value );
return err;
}
int samba_send_file( uint32_t addr, uint8_t *buff, int len )
{
char cmd[64];
int i=0;
snprintf( cmd, 64, "S%X,%X#", (unsigned int) addr, (unsigned int) len );
if( io_write( cmd, strlen( cmd ) ) < 0 ) {
return -1;
}
usleep( 2000 );
for( i=0 ; i<len ; i+=64 ) {
if( io_write( buff+i, (len-i < 64)? len-i : 64 ) < 0 ){
return -1;
}
usleep( 2000 );
}
return 0;
}
int samba_recv_file( uint32_t addr, uint8_t *buff, int len )
{
char cmd[64];
int i=0;
snprintf( cmd, 64, "R%X,%X#", (unsigned int) addr, (unsigned int) len );
if( io_write( cmd, strlen( cmd ) ) < 0 ) {
return -1;
}
usleep( 2000 );
for( i=0 ; i<len ; i+=64 ) {
if( io_read( buff+i, (len-i < 64)? len-i : 64 ) < 0 ){
return -1;
}
}
return 0;
}
int samba_go( uint32_t addr )
{
char cmd[64];
snprintf( cmd, 64, "G%08X#", (unsigned int) addr );
return io_send_cmd( cmd, NULL, 0 );
}
int samba_get_version( char *version, int len )
{
#if 0
if( io_send_cmd( "V#", version, len ) < 0 ) {
return -1;
}
return 0;
#else
/* don't know the new form of V# */
return -1;
#endif
}

69
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/*
* samba.h
*
* Copyright (C) 2005 Erik Gilling, all rights reserved
*
* 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, version 2.
*
*/
#ifndef __samba_h__
#define __samba_h__
#ifdef HAVE_STDINT_H
#include <stdint.h>
#endif
#define AT91_CHIPID_VERSION( chipid ) (((chipid)>>0)&0x1f)
#define AT91_CHIPID_EPROC( chipid ) (((chipid)>>5)&0x7)
#define AT91_CHIPID_NVPSIZ( chipid ) (((chipid)>>8)&0xf)
#define AT91_CHIPID_NVPSIZ2( chipid ) (((chipid)>>12)&0xf)
#define AT91_CHIPID_SRAMSIZ( chipid ) (((chipid)>>16)&0xf)
#define AT91_CHIPID_ARCH( chipid ) (((chipid)>>20)&0xff)
#define AT91_CHIPID_NVPTYP( chipid ) (((chipid)>>28)&0x7)
#define AT91_CHIPID_EXT( chipid ) (((chipid)>>31)&0x1)
#define AT91_ARCH_AT75Cxx 0xF0
#define AT91_ARCH_AT91x40 0x40
#define AT91_ARCH_AT91x63 0x63
#define AT91_ARCH_AT91x55 0x55
#define AT91_ARCH_AT91x42 0x42
#define AT91_ARCH_AT91x92 0x92
#define AT91_ARCH_AT91x34 0x34
#define AT91_ARCH_AT91SAM7Axx 0x60
#define AT91_ARCH_AT91SAM7Sxx 0x70
#define AT91_ARCH_AT91SAM7XC 0x71
#define AT91_ARCH_AT91SAM7SExx 0x72
#define AT91_ARCH_AT91SAM7Lxx 0x73
#define AT91_ARCH_AT91SAM7Xxx 0x75
#define AT91_ARCH_AT91SAM9xx 0x19
typedef struct {
int version;
int eproc;
int nvpsiz;
int nvpsiz2;
int sramsiz;
int arch;
int page_size;
int lock_bits;
} at91_chip_info_t;
extern at91_chip_info_t samba_chip_info;
int samba_init( void );
int samba_write_byte( uint32_t addr, uint8_t value );
int samba_read_byte( uint32_t addr, uint8_t *value );
int samba_write_half_word( uint32_t addr, uint16_t value );
int samba_read_half_word( uint32_t addr, uint16_t *value );
int samba_write_word( uint32_t addr, uint32_t value );
int samba_read_word( uint32_t addr, uint32_t *value );
int samba_send_file( uint32_t addr, uint8_t *buff, int len );
int samba_recv_file( uint32_t addr, uint8_t *buff, int len );
int samba_go( uint32_t addr );
int samba_get_version( char *version, int len );
#endif /* __samba_h__ */