| Line 193... |
Line 193... |
int i;
|
int i;
|
|
|
printf("Resetting %u UART(s).\n", NR_UARTS);
|
printf("Resetting %u UART(s).\n", NR_UARTS);
|
memset(uarts, 0, sizeof(uarts));
|
memset(uarts, 0, sizeof(uarts));
|
|
|
for(i = 0; i < NR_UARTS; i++)
|
if (!config.uarts_enabled)
|
|
config.nuarts = 0;
|
|
|
|
for(i = 0; i < config.nuarts; i++)
|
if (config.uarts[i].txfile) { /* MM: Try to create stream. */
|
if (config.uarts[i].txfile) { /* MM: Try to create stream. */
|
if (!(uarts[i].rxfs = fopen(config.uarts[i].rxfile, "r"))
|
if (!(uarts[i].rxfs = fopen(config.uarts[i].rxfile, "r"))
|
&& !(uarts[i].rxfs = fopen(config.uarts[i].rxfile, "r+"))) {
|
&& !(uarts[i].rxfs = fopen(config.uarts[i].rxfile, "r+"))) {
|
printf("UART%d has problems with RX file stream.\n", i);
|
printf("UART%d has problems with RX file stream.\n", i);
|
continue;
|
continue;
|
| Line 207... |
Line 210... |
if (uarts[i].rxfs && uarts[i].txfs) {
|
if (uarts[i].rxfs && uarts[i].txfs) {
|
printf("UART%d at 0x%.8x uses ", i, uarts[i].baseaddr);
|
printf("UART%d at 0x%.8x uses ", i, uarts[i].baseaddr);
|
printf("%s for RX and %s for TX.\n", config.uarts[i].rxfile, config.uarts[i].txfile);
|
printf("%s for RX and %s for TX.\n", config.uarts[i].rxfile, config.uarts[i].txfile);
|
} else
|
} else
|
printf("UART%d has problems with TX file stream.\n", i);
|
printf("UART%d has problems with TX file stream.\n", i);
|
register_memoryarea(uarts[i].baseaddr, UART_ADDR_SPACE, 1, uart_read_byte, uart_write_byte, 0);
|
register_memoryarea(uarts[i].baseaddr, UART_ADDR_SPACE, 1, uart_read_byte, uart_write_byte);
|
}
|
}
|
}
|
}
|
|
|
/* Simulation hook. Must be called every clock cycle to simulate all UART
|
/* Simulation hook. Must be called every clock cycle to simulate all UART
|
devices. It does internal functional UART simulation. */
|
devices. It does internal functional UART simulation. */
|
void uart_clock()
|
void uart_clock()
|
{
|
{
|
int i, retval;
|
int i, retval;
|
|
|
for(i = 0; i < NR_UARTS; i++) {
|
for(i = 0; i < config.nuarts; i++) {
|
if (!uarts[i].txfs) {
|
if (!uarts[i].txfs) {
|
continue;
|
continue;
|
}
|
}
|
|
|
/* Transmit */
|
/* Transmit */
|
| Line 318... |
Line 321... |
/* Print register values on stdout. */
|
/* Print register values on stdout. */
|
void uart_status()
|
void uart_status()
|
{
|
{
|
int i;
|
int i;
|
|
|
for(i = 0; i < NR_UARTS; i++) {
|
for(i = 0; i < config.nuarts; i++) {
|
if ( !uarts[i].baseaddr )
|
if ( !uarts[i].baseaddr )
|
continue;
|
continue;
|
printf("\nUART%d visible registers at 0x%.8x:\n", i, uarts[i].baseaddr);
|
printf("\nUART%d visible registers at 0x%.8x:\n", i, uarts[i].baseaddr);
|
printf("RXBUF: %.2x TXBUF: %.2x\n", uarts[i].regs.rxbuf, uarts[i].regs.txbuf);
|
printf("RXBUF: %.2x TXBUF: %.2x\n", uarts[i].regs.rxbuf, uarts[i].regs.txbuf);
|
printf("DLL : %.2x DLH : %.2x\n", uarts[i].regs.dll, uarts[i].regs.dlh);
|
printf("DLL : %.2x DLH : %.2x\n", uarts[i].regs.dll, uarts[i].regs.dlh);
|
