| /* |
| * (C) Copyright 2005-2008 Samsung Electronics |
| * Kyungmin Park <kyungmin.park@samsung.com> |
| * |
| * See file CREDITS for list of people who contributed to this |
| * project. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| * MA 02111-1307 USA |
| */ |
| #include <common.h> |
| #include <asm/arch/mux.h> |
| |
| #define write_config_reg(reg, value) \ |
| do { \ |
| writeb(value, reg); \ |
| } while (0) |
| |
| /***************************************** |
| * Routine: board_init |
| * Description: Early hardware init. |
| *****************************************/ |
| int board_init(void) |
| { |
| return 0; |
| } |
| |
| #ifdef CONFIG_SYS_PRINTF |
| /* Pin Muxing registers used for UART1 */ |
| /**************************************** |
| * Routine: muxSetupUART1 (ostboot) |
| * Description: Set up uart1 muxing |
| *****************************************/ |
| static void muxSetupUART1(void) |
| { |
| /* UART1_CTS pin configuration, PIN = D21 */ |
| write_config_reg(CONTROL_PADCONF_UART1_CTS, 0); |
| /* UART1_RTS pin configuration, PIN = H21 */ |
| write_config_reg(CONTROL_PADCONF_UART1_RTS, 0); |
| /* UART1_TX pin configuration, PIN = L20 */ |
| write_config_reg(CONTROL_PADCONF_UART1_TX, 0); |
| /* UART1_RX pin configuration, PIN = T21 */ |
| write_config_reg(CONTROL_PADCONF_UART1_RX, 0); |
| } |
| #endif |
| |
| /********************************************************** |
| * Routine: s_init |
| * Description: Does early system init of muxing and clocks. |
| * - Called at time when only stack is available. |
| **********************************************************/ |
| int s_init(int skip) |
| { |
| #ifdef CONFIG_SYS_PRINTF |
| muxSetupUART1(); |
| #endif |
| return 0; |
| } |
