From: hackbard Date: Wed, 8 Aug 2007 19:01:42 +0000 (+0200) Subject: fwdump working now, adapted fwbc fw (reading/transmitting flash should work now!) X-Git-Url: https://hackdaworld.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=af2e2299a2e4f4aca56de844f0c5011435672b92;p=my-code%2Farm.git fwdump working now, adapted fwbc fw (reading/transmitting flash should work now!) --- diff --git a/betty/Makefile b/betty/Makefile index a1e44da..d9f49e7 100644 --- a/betty/Makefile +++ b/betty/Makefile @@ -5,7 +5,7 @@ ARMCC = /scratch/arm-elf/bin/arm-elf-gcc ARMCFLAGS = -Wall -mcpu=arm7tdmi-s ARMOBJCOPY = /scratch/arm-elf/bin/arm-elf-objcopy -HOSTOBJECTS = lpcload +HOSTOBJECTS = lpcload fwdump ARMOBJECTS = fwbc.hex diff --git a/betty/fwbc.c b/betty/fwbc.c index 9682ee8..1694055 100644 --- a/betty/fwbc.c +++ b/betty/fwbc.c @@ -27,11 +27,16 @@ #define MMAP_RAM 0x02 #define MMAP_EXT 0x03 +/* band 0/2 addr */ +#define BANK0 0x80000000 +#define BANK2 0x82000000 + /* * type definitions */ typedef unsigned char u8; +typedef unsigned short u16; typedef unsigned int u32; /* @@ -49,29 +54,50 @@ void uart0_send_char(char send); int main(void) { + /* variables */ + + u16 *flash; + u32 i; + u8 start; + /* memory mapping of interrupt vectors to static ram */ //mmap_init(MMAP_RAM); /* uart initialization */ -#ifdef USE_FUNCTIONS //uart0_init(); -#else + PINSEL0=0x05; // pin select -> tx, rx UART0_FCR=0x07; // enable fifo UART0_LCR=0x83; // set dlab + word length UART0_DLL=0x10; // br: 9600 @ 10/4 mhz UART0_DLM=0x00; UART0_LCR=0x03; // unset dlab -#endif /* external memory init */ - while(1) { + //BCFG0=; + //BCFG2=; + flash=(u16 *)BANK0; + + /* wait for fwdump to send transmit start character */ + start=0; + while(start!=0x23) { + while(!(UART0_LSR&(1<<0))) + continue; + start=UART0_RBR; + } + + /* transmit 1 mb of data */ + for(i=0;i<524288;i++) { + while(!(UART0_LSR&(1<<5))) + continue; + UART0_THR=((*flash&0xff00)>>8); while(!(UART0_LSR&(1<<5))) continue; - UART0_THR=0x23; + UART0_THR=(*flash&0xff); + flash++; } return 0; diff --git a/betty/fwdump.c b/betty/fwdump.c index 3769508..a3c7ed4 100644 --- a/betty/fwdump.c +++ b/betty/fwdump.c @@ -6,10 +6,125 @@ * */ +#include +#include +#include +#include +#include +#include +#include +#include + +#define BUFSIZE 16 + +int open_serial_port(char *sdev) { + + struct termios term; + int fd; + + /* open serial device */ + + fd=open(sdev,O_RDWR); + if(fd<0) { + perror("tts open"); + return fd; + } + + /* configure the serial device */ + + tcgetattr(fd,&term); + + // input/output baudrate + + cfsetispeed(&term,B9600); + cfsetospeed(&term,B9600); + + // control options -> 8n1 + + term.c_cflag&=~PARENB; // no parity + term.c_cflag&=~CSTOPB; // only 1 stop bit + term.c_cflag&=~CSIZE; // no bit mask for data bits + term.c_cflag|=CS8; // 8 data bits + + // line options -> raw input + + term.c_lflag&=~(ICANON|ECHO|ECHOE|ISIG); + + // input options -> enable flow control + + term.c_iflag&=~(IXON|IXOFF|IXANY|INLCR|ICRNL); + + // output options + + term.c_oflag=0; + + // more control options -> timeout / flow control + + term.c_cc[VMIN]=0; + term.c_cc[VTIME]=40; // 4 second timeout + term.c_cc[VSTART]=0x11; + term.c_cc[VSTOP]=0x13; + + tcsetattr(fd,TCSANOW,&term); + + return fd; +} + +int open_dump_file(char *file) { + + int fd; + + /* open dump file */ + + fd=open(file,O_WRONLY|O_CREAT); + + if(fd<0) + perror("fw open"); + + return fd; +} + int main(int argc,char **argv) { + int sfd,dfd; + unsigned char buf[BUFSIZE]; + int cnt,size,ret; + + if(argc!=3) { + printf("usage: %s \n",argv[0]); + return -1; + } + + sfd=open_serial_port(argv[1]); + dfd=open_dump_file(argv[2]); + + if((sfd<0)|(dfd<0)) + return -1; + + /* send start byte */ + buf[0]=0x23; + ret=write(sfd,buf,1); + if(ret!=1) { + perror("write start byte"); + return ret; + } + + /* receive flash content */ + while(ret) { + ret=read(sfd,buf,BUFSIZE); + size=ret; + cnt=0; + while(size) { + ret=write(dfd,buf+cnt,size-cnt); + if(ret<0) { + perror("write to dump file"); + return ret; + } + size-=ret; + cnt+=ret; + } + } return 0; } -