void fpga_pgm(uint8_t* filename) {
int MAXRETRIES = 10;
int retries = MAXRETRIES;
uint8_t data;
int i;
tick_t timeout;
do {
i=0;
timeout = getticks() + 100;
fpga_set_prog_b(0);
if(BITBAND(PROGBREG->FIOPIN, PROGBBIT)) {
printf("PROGB is stuck high!\n");
led_panic();
}
uart_putc('P');
fpga_set_prog_b(1);
while(!fpga_get_initb()){
if(getticks() > timeout) {
printf("no response from FPGA trying to initiate configuration!\n");
led_panic();
}
};
if(fpga_get_done()) {
printf("DONE is stuck high!\n");
led_panic();
}
LPC_GPIO2->FIOMASK1 = ~(BV(0));
uart_putc('p');
/* open configware file */
file_open(filename, FA_READ);
if(file_res) {
uart_putc('?');
uart_putc(0x30+file_res);
return;
}
uart_putc('C');
for (;;) {
data = rle_file_getc();
i++;
if (file_status || file_res) break; /* error or eof */
FPGA_SEND_BYTE_SERIAL(data);
}
uart_putc('c');
file_close();
printf("fpga_pgm: %d bytes programmed\n", i);
delay_ms(1);
} while (!fpga_get_done() && retries--);
if(!fpga_get_done()) {
printf("FPGA failed to configure after %d tries.\n", MAXRETRIES);
led_panic();
}
printf("FPGA configured\n");
fpga_postinit();
}
void fpga_rompgm() {
int MAXRETRIES = 10;
int retries = MAXRETRIES;
uint8_t data;
int i;
tick_t timeout;
do {
i=0;
timeout = getticks() + 100;
fpga_set_prog_b(0);
uart_putc('P');
fpga_set_prog_b(1);
while(!fpga_get_initb()){
if(getticks() > timeout) {
printf("no response from FPGA trying to initiate configuration!\n");
led_panic(LED_PANIC_FPGA_NO_INITB);
}
};
timeout = getticks() + 100;
while(fpga_get_done()) {
if(getticks() > timeout) {
printf("DONE is stuck high!\n");
led_panic(LED_PANIC_FPGA_DONE_STUCK);
}
}
LPC_GPIO2->FIOMASK1 = ~(BV(0));
uart_putc('p');
/* open configware file */
rle_mem_init(cfgware, sizeof(cfgware));
printf("sizeof(cfgware) = %d\n", sizeof(cfgware));
for (;;) {
data = rle_mem_getc();
if(rle_state) break;
i++;
FPGA_SEND_BYTE_SERIAL(data);
}
uart_putc('c');
printf("fpga_rompgm: %d bytes programmed\n", i);
delay_ms(1);
} while (!fpga_get_done() && retries--);
if(!fpga_get_done()) {
printf("FPGA failed to configure after %d tries.\n", MAXRETRIES);
led_panic(LED_PANIC_FPGA_NOCONF);
}
printf("FPGA configured\n");
fpga_config = FPGA_ROM;
fpga_postinit();
}
