#define BANK2 (1<<3)
#define BL (1<<4)
#define FLASHFW (1<<5)
+#define BINARY (1<<6)
#define BANK0_ADDR 0x80000000
#define BANK2_ADDR 0x82000000
printf(" -Dx <filename>\n");
printf(" x=0: bank0, x=2: bank2, x=b: bootloader\n");
printf(" -w <firmware which goes to flash>\n");
+ printf(" -b (if firmware for flash is a binary)\n");
printf(" -v\n");
}
cnt+=ret;
}
+ /* flush */
+ tcflush(sfd,TCIOFLUSH);
+
return 0;
}
int cnt,ret;
u8 cksml,cksmr;
- u8 check;
int i;
+ /* prepare addr */
+ addr+=lpc->roff;
+
/* send cmd */
- send_cmd(lpc->sfd,addr+lpc->roff,len,CMD_WRITE);
+ send_cmd(lpc->sfd,addr,len,CMD_WRITE);
/* transfer data */
cnt=0;
cksml=0;
while(len) {
- for(i=0;i<2;i++) {
- while(1) {
- ret=write(lpc->sfd,buf+cnt+i,1);
- if(ret<0) {
- perror("transmit flash content (w)");
- return ret;
- }
- if(ret==1)
- break;
- }
- while(1) {
- ret=read(lpc->sfd,&check,1);
- if(ret<0) {
- perror("transmit flash content (r)");
- return ret;
- }
- if(ret==1)
- break;
- }
- if(buf[cnt+i]!=check)
- printf("FATAL: write to flash: wrong transfer\n");
+ ret=write(lpc->sfd,buf+cnt,len);
+ if(ret<0) {
+ perror("transmit flash content (w)");
+ return ret;
}
- cksml+=buf[cnt];
- cksml+=buf[cnt+1];
- cnt+=2;
- len-=2;
+ for(i=cnt;i<cnt+ret;i++)
+ cksml+=buf[i];
+ len-=ret;
+ cnt+=ret;
}
+
/* check ack */
while(1) {
ret=read(lpc->sfd,&cksmr,1);
if(cksml!=cksmr) {
printf("FATAL: wrong checksum or failure in flash write!\n");
if(cksml+1==cksmr)
- printf(" -> most probably due to flash write!");
+ printf(" -> most probably due to flash write!\n");
else
- printf(" -> most probably due to failure in transfer!");
+ printf(" -> most probably failure in transfer!\n");
+ printf(" addr:0x%08x l:%02x r:%02x\n",addr,cksml,cksmr);
}
return 0;
else
return -1;
+ /* another evil hack to support binary format */
+ if((lpc->info&BINARY)&&(memtype==FLASH)) {
+ addr=0;
+ ret=1;
+ while(ret) {
+ ret=read(fd,buf,16);
+ if(ret!=16) {
+ printf("D'OH ...\n");
+ return -1;
+ }
+ buf[16]='s'; // skip
+ for(temp=0;temp<16;temp++)
+ if((u8)buf[temp]!=0xff)
+ buf[16]='w'; // write
+ printf("addr:%08x\r",addr+lpc->roff);
+ fflush(stdout);
+ if(buf[16]=='w')
+ write_to_flash(lpc,(u8 *)buf,addr,16);
+ addr+=16;
+ }
+ return 0;
+ }
+
/* read a line */
ret=1;
while(ret) {
strncpy(lpc.ffwfile,argv[++i],127);
lpc.info|=FLASHFW;
break;
+ case 'b':
+ lpc.info|=BINARY;
+ break;
default:
usage();
return -1;
if(lpc.info&FLASHFW) {
printf("writing firmware to flash ...\n");
send_cmd(lpc.sfd,0,'0',CMD_CHIP_ERASE);
+ /* ack */
+ ret=0;
+ while(!ret)
+ read(lpc.sfd,&ret,1);
lpc.roff=BANK0_ADDR;
firmware_to_mem(&lpc,FLASH);
}