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Diffstat (limited to 'cpu/mpc512x')
-rw-r--r--cpu/mpc512x/serial.c36
1 files changed, 15 insertions, 21 deletions
diff --git a/cpu/mpc512x/serial.c b/cpu/mpc512x/serial.c
index d3ffff9..4fc4693 100644
--- a/cpu/mpc512x/serial.c
+++ b/cpu/mpc512x/serial.c
@@ -60,12 +60,24 @@ static void fifo_init (volatile psc512x_t *psc)
__asm__ volatile ("sync");
}
+void serial_setbrg(void)
+{
+ volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
+ volatile psc512x_t *psc = (psc512x_t *) &im->psc[CONFIG_PSC_CONSOLE];
+ unsigned long baseclk, div;
+
+ /* calculate dividor for setting PSC CTUR and CTLR registers */
+ baseclk = (gd->ips_clk + 8) / 16;
+ div = (baseclk + (gd->baudrate / 2)) / gd->baudrate;
+
+ out_8(&psc->ctur, (div >> 8) & 0xff);
+ out_8(&psc->ctlr, div & 0xff); /* set baudrate */
+}
+
int serial_init(void)
{
volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
volatile psc512x_t *psc = (psc512x_t *) &im->psc[CONFIG_PSC_CONSOLE];
- unsigned long baseclk;
- int div;
fifo_init (psc);
@@ -87,13 +99,8 @@ int serial_init(void)
/* now, mode register points to mr2 */
out_8(&psc->mode, PSC_MODE_1_STOPBIT);
- /* calculate dividor for setting PSC CTUR and CTLR registers */
- baseclk = (gd->ips_clk + 8) / 16;
- div = (baseclk + (gd->baudrate / 2)) / gd->baudrate;
-
- out_8(&psc->ctur, (div >> 8) & 0xff);
/* set baudrate */
- out_8(&psc->ctlr, div & 0xff);
+ serial_setbrg();
/* disable all interrupts */
out_be16(&psc->psc_imr, 0);
@@ -161,19 +168,6 @@ int serial_tstc (void)
return !(in_be32(&psc->rfstat) & PSC_FIFO_EMPTY);
}
-void serial_setbrg (void)
-{
- volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
- volatile psc512x_t *psc = (psc512x_t *) &im->psc[CONFIG_PSC_CONSOLE];
- unsigned long baseclk, div;
-
- baseclk = (gd->ips_clk + 8) / 16;
- div = (baseclk + (gd->baudrate / 2)) / gd->baudrate;
-
- out_8(&psc->ctur, (div >> 8) & 0xFF);
- out_8(&psc->ctlr, div & 0xff); /* set baudrate */
-}
-
void serial_setrts(int s)
{
volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;