((unsigned)CONFIG_SYS_CLK_FREQ >> k);
baud = best_m + best_n * YANU_BAUDE;
- writel(&uart->baud, baud);
+ writel(baud, &uart->baud);
return;
}
#else
void serial_setbrg (void)
-{
+{
int n, k;
const unsigned max_uns = 0xFFFFFFFF;
unsigned best_n, best_m, baud;
((unsigned)CONFIG_SYS_CLK_FREQ >> k);
baud = best_m + best_n * YANU_BAUDE;
- writel(&uart->baud, baud);
+ writel(baud, &uart->baud);
return;
}
YANU_ACTION_RPE |
YANU_ACTION_RFE | YANU_ACTION_RFIFO_CLEAR | YANU_ACTION_TFIFO_CLEAR;
- writel(&uart->action, action);
-
- /* control register cleanup */
- /* no interrupts enabled */
- /* one stop bit */
- /* hardware flow control disabled */
- /* 8 bits */
+ writel(action, &uart->action);
+
+ /*
+ * control register cleanup
+ * no interrupts enabled
+ * one stop bit
+ * hardware flow control disabled
+ * 8 bits
+ */
control = (0x7 << YANU_CONTROL_BITS_POS);
/* enven parity just to be clean */
control |= YANU_CONTROL_PAREVEN;
control |= YANU_CONTROL_RDYDLY * YANU_RXFIFO_DLY;
control |= YANU_CONTROL_TXTHR * YANU_TXFIFO_THR;
- writel(&uart->control, control);
+ writel(control, &uart->control);
/* to set baud rate */
serial_setbrg();
if (c == '\n')
serial_putc ('\r');
-
+
while (1) {
status = readl(&uart->status);
tx_chars = (status>>YANU_TFIFO_CHARS_POS)
WATCHDOG_RESET ();
}
- writel(&uart->data, (unsigned char)c);
+ writel((unsigned char)c, &uart->data);
}
void serial_puts (const char *s)
status = readl(&uart->status);
return (((status >> YANU_RFIFO_CHARS_POS) &
((1 << YANU_RFIFO_CHARS_N) - 1)) > 0);
-}
+}
int serial_getc (void)
{
while (serial_tstc() == 0)
WATCHDOG_RESET ();
-
+
/* first we pull the char */
- writel(&uart->action, YANU_ACTION_RFIFO_PULL);
+ writel(YANU_ACTION_RFIFO_PULL, &uart->action);
return(readl(&uart->data) & YANU_DATA_CHAR_MASK);
}