| Jean-Christophe PLAGNIOL-VILLARD | 1332a2a | 2009-03-21 21:07:59 +0100 | [diff] [blame] | 1 | /* |
| 2 | * (C) Copyright 2007-2008 |
| 3 | * Stelian Pop <stelian.pop@leadtechdesign.com> |
| 4 | * Lead Tech Design <www.leadtechdesign.com> |
| 5 | * |
| 6 | * See file CREDITS for list of people who contributed to this |
| 7 | * project. |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or |
| 10 | * modify it under the terms of the GNU General Public License as |
| 11 | * published by the Free Software Foundation; either version 2 of |
| 12 | * the License, or (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
| 22 | * MA 02111-1307 USA |
| 23 | */ |
| 24 | |
| 25 | #include <common.h> |
| 26 | #include <asm/arch/at91_common.h> |
| 27 | #include <asm/arch/at91_pmc.h> |
| 28 | #include <asm/arch/gpio.h> |
| 29 | #include <asm/arch/io.h> |
| 30 | |
| 31 | void at91_serial0_hw_init(void) |
| 32 | { |
| 33 | at91_set_A_periph(AT91_PIN_PA26, 1); /* TXD0 */ |
| 34 | at91_set_A_periph(AT91_PIN_PA27, 0); /* RXD0 */ |
| 35 | at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_US0); |
| 36 | } |
| 37 | |
| 38 | void at91_serial1_hw_init(void) |
| 39 | { |
| 40 | at91_set_A_periph(AT91_PIN_PD0, 1); /* TXD1 */ |
| 41 | at91_set_A_periph(AT91_PIN_PD1, 0); /* RXD1 */ |
| 42 | at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_US1); |
| 43 | } |
| 44 | |
| 45 | void at91_serial2_hw_init(void) |
| 46 | { |
| 47 | at91_set_A_periph(AT91_PIN_PD2, 1); /* TXD2 */ |
| 48 | at91_set_A_periph(AT91_PIN_PD3, 0); /* RXD2 */ |
| 49 | at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_US2); |
| 50 | } |
| 51 | |
| 52 | void at91_serial3_hw_init(void) |
| 53 | { |
| 54 | at91_set_A_periph(AT91_PIN_PC30, 0); /* DRXD */ |
| 55 | at91_set_A_periph(AT91_PIN_PC31, 1); /* DTXD */ |
| 56 | at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS); |
| 57 | } |
| 58 | |
| 59 | void at91_serial_hw_init(void) |
| 60 | { |
| 61 | #ifdef CONFIG_USART0 |
| 62 | at91_serial0_hw_init(); |
| 63 | #endif |
| 64 | |
| 65 | #ifdef CONFIG_USART1 |
| 66 | at91_serial1_hw_init(); |
| 67 | #endif |
| 68 | |
| 69 | #ifdef CONFIG_USART2 |
| 70 | at91_serial2_hw_init(); |
| 71 | #endif |
| 72 | |
| 73 | #ifdef CONFIG_USART3 /* DBGU */ |
| 74 | at91_serial3_hw_init(); |
| 75 | #endif |
| 76 | } |