2 * (C) Copyright 2005-2008 Samsung Electronics
3 * Kyungmin Park <kyungmin.park@samsung.com>
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 #include <asm/arch/mux.h>
26 #define write_config_reg(reg, value) \
31 /*****************************************
33 * Description: Early hardware init.
34 *****************************************/
40 #ifdef CONFIG_SYS_PRINTF
41 /* Pin Muxing registers used for UART1 */
42 /****************************************
43 * Routine: muxSetupUART1 (ostboot)
44 * Description: Set up uart1 muxing
45 *****************************************/
46 static void muxSetupUART1(void)
48 /* UART1_CTS pin configuration, PIN = D21 */
49 write_config_reg(CONTROL_PADCONF_UART1_CTS
, 0);
50 /* UART1_RTS pin configuration, PIN = H21 */
51 write_config_reg(CONTROL_PADCONF_UART1_RTS
, 0);
52 /* UART1_TX pin configuration, PIN = L20 */
53 write_config_reg(CONTROL_PADCONF_UART1_TX
, 0);
54 /* UART1_RX pin configuration, PIN = T21 */
55 write_config_reg(CONTROL_PADCONF_UART1_RX
, 0);
59 /**********************************************************
61 * Description: Does early system init of muxing and clocks.
62 * - Called at time when only stack is available.
63 **********************************************************/
66 #ifdef CONFIG_SYS_PRINTF