SPC1920: fix small clock routing bug
authorMarkus Klotzbuecher <mk@denx.de>
Wed, 21 Mar 2007 13:41:46 +0000 (14:41 +0100)
committerMarkus Klotzbuecher <mk@pollux.denx.de>
Wed, 21 Mar 2007 13:41:46 +0000 (14:41 +0100)
Signed-off-by: Markus Klotzbuecher <mk@denx.de>
cpu/mpc8xx/serial.c

index 9d0fc6b4fa8cc0937568ab9f0fbe01c21b928119..53e03f4afb49c9959864092f3694c6ae03a08f8d 100644 (file)
@@ -229,15 +229,14 @@ static int smc_init (void)
 
 #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 ();