mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-12 06:12:58 +00:00
77 lines
2 KiB
C
77 lines
2 KiB
C
|
/*
|
||
|
|
* (C) Copyright 2007-2008
|
||
|
|
* Stelian Pop <stelian.pop@leadtechdesign.com>
|
||
|
|
* Lead Tech Design <www.leadtechdesign.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/at91_common.h>
|
||
|
|
#include <asm/arch/at91_pmc.h>
|
||
|
|
#include <asm/arch/gpio.h>
|
||
|
|
#include <asm/arch/io.h>
|
||
|
|
|
||
|
|
void at91_serial0_hw_init(void)
|
||
|
|
{
|
||
|
|
at91_set_A_periph(AT91_PIN_PA6, 1); /* TXD0 */
|
||
|
|
at91_set_A_periph(AT91_PIN_PA7, 0); /* RXD0 */
|
||
|
|
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_US0);
|
||
|
|
}
|
||
|
|
|
||
|
|
void at91_serial1_hw_init(void)
|
||
|
|
{
|
||
|
|
at91_set_A_periph(AT91_PIN_PA11, 1); /* TXD1 */
|
||
|
|
at91_set_A_periph(AT91_PIN_PA12, 0); /* RXD1 */
|
||
|
|
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_US1);
|
||
|
|
}
|
||
|
|
|
||
|
|
void at91_serial2_hw_init(void)
|
||
|
|
{
|
||
|
|
at91_set_A_periph(AT91_PIN_PA13, 1); /* TXD2 */
|
||
|
|
at91_set_A_periph(AT91_PIN_PA14, 0); /* RXD2 */
|
||
|
|
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_US2);
|
||
|
|
}
|
||
|
|
|
||
|
|
void at91_serial3_hw_init(void)
|
||
|
|
{
|
||
|
|
at91_set_A_periph(AT91_PIN_PA21, 0); /* DRXD */
|
||
|
|
at91_set_A_periph(AT91_PIN_PA22, 1); /* DTXD */
|
||
|
|
at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS);
|
||
|
|
}
|
||
|
|
|
||
|
|
void at91_serial_hw_init(void)
|
||
|
|
{
|
||
|
|
#ifdef CONFIG_USART0
|
||
|
|
at91_serial0_hw_init();
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef CONFIG_USART1
|
||
|
|
at91_serial1_hw_init();
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef CONFIG_USART2
|
||
|
|
at91_serial2_hw_init();
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef CONFIG_USART3 /* DBGU */
|
||
|
|
at91_serial3_hw_init();
|
||
|
|
#endif
|
||
|
|
}
|