SPC1920: fix small clock routing bug
Signed-off-by: Markus Klotzbuecher <mk@denx.de>
diff --git a/cpu/mpc8xx/serial.c b/cpu/mpc8xx/serial.c
index 9d0fc6b..53e03f4 100644
--- a/cpu/mpc8xx/serial.c
+++ b/cpu/mpc8xx/serial.c
@@ -229,15 +229,14 @@
#ifdef CFG_SPC1920_SMC1_CLK4
/* clock source is PLD */
-
+
/* set freq to 19200 Baud */
*((volatile uchar *) CFG_SPC1920_PLD_BASE+6) = 0x3;
/* configure clk4 as input */
im->im_ioport.iop_pdpar |= 0x800;
im->im_ioport.iop_pddir &= ~0x800;
- cp->cp_simode = 0x0000;
- cp->cp_simode |= 0x7000;
+ cp->cp_simode = ((cp->cp_simode & ~0xf000) | 0x7000);
#else
/* Set up the baud rate generator */
smc_setbrg ();