From 8139567b60d678584b05f0718a681f2047c5e14f Mon Sep 17 00:00:00 2001
From: Markus Klotzbuecher <mk@creamnet.de>
Date: Tue, 9 Jan 2007 14:57:11 +0100
Subject: SMC1 uses external CLK4 instead of BRG on spc1920

---
 cpu/mpc8xx/serial.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

(limited to 'cpu')

diff --git a/cpu/mpc8xx/serial.c b/cpu/mpc8xx/serial.c
index 8ae584f..c8caa79 100644
--- a/cpu/mpc8xx/serial.c
+++ b/cpu/mpc8xx/serial.c
@@ -227,8 +227,17 @@ static int smc_init (void)
 	sp->smc_smcm = 0;
 	sp->smc_smce = 0xff;
 
-#ifdef CFG_SPC1920_SMC1_CLK4 /* clock source is PLD */
-	*((volatile uchar *) CFG_SPC1920_PLD_BASE+6) = 0xff;
+#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;
 #else
 	/* Set up the baud rate generator */
 	smc_setbrg ();
-- 
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