leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

at91sam9/at91cap: move common serial initialisation to cpu

Browse Source 
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2009-03-21 21:07:59 +01:00
parent ee1702d75a
commit 1332a2a069
13 changed files with 432 additions and 169 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
board/afeb9260/afeb9260.c
View File

@ -27,6 +27,7 @@
#include <asm/arch/at91sam9260.h>
#include <asm/arch/at91sam9260_matrix.h>
#include <asm/arch/at91sam9_smc.h>
#include <asm/arch/at91_common.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_rstc.h>
#include <asm/arch/gpio.h>
@ -44,33 +45,6 @@ DECLARE_GLOBAL_DATA_PTR;
* Miscelaneous platform dependent initialisations
*/
static void afeb9260_serial_hw_init(void)
{
#ifdef CONFIG_USART0
at91_set_A_periph(AT91_PIN_PB4, 1); /* TXD0 */
at91_set_A_periph(AT91_PIN_PB5, 0); /* RXD0 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_US0);
#endif
#ifdef CONFIG_USART1
at91_set_A_periph(AT91_PIN_PB6, 1); /* TXD1 */
at91_set_A_periph(AT91_PIN_PB7, 0); /* RXD1 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_US1);
#endif
#ifdef CONFIG_USART2
at91_set_A_periph(AT91_PIN_PB8, 1); /* TXD2 */
at91_set_A_periph(AT91_PIN_PB9, 0); /* RXD2 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_US2);
#endif
#ifdef CONFIG_USART3 /* DBGU */
at91_set_A_periph(AT91_PIN_PB14, 0); /* DRXD */
at91_set_A_periph(AT91_PIN_PB15, 1); /* DTXD */
at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS);
#endif
}
static void afeb9260_nand_hw_init(void)
{
unsigned long csa;
@ -201,7 +175,7 @@ int board_init(void)
/* adress of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
afeb9260_serial_hw_init();
at91_serial_hw_init();
#ifdef CONFIG_CMD_NAND
afeb9260_nand_hw_init();
#endif

30
board/atmel/at91cap9adk/at91cap9adk.c
View File

@ -26,6 +26,7 @@
#include <asm/arch/at91cap9.h>
#include <asm/arch/at91cap9_matrix.h>
#include <asm/arch/at91sam9_smc.h>
#include <asm/arch/at91_common.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_rstc.h>
#include <asm/arch/gpio.h>
@ -47,33 +48,6 @@ DECLARE_GLOBAL_DATA_PTR;
* Miscelaneous platform dependent initialisations
*/
static void at91cap9_serial_hw_init(void)
{
#ifdef CONFIG_USART0
at91_set_A_periph(AT91_PIN_PA22, 1); /* TXD0 */
at91_set_A_periph(AT91_PIN_PA23, 0); /* RXD0 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_US0);
#endif
#ifdef CONFIG_USART1
at91_set_A_periph(AT91_PIN_PD0, 1); /* TXD1 */
at91_set_A_periph(AT91_PIN_PD1, 0); /* RXD1 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_US1);
#endif
#ifdef CONFIG_USART2
at91_set_A_periph(AT91_PIN_PD2, 1); /* TXD2 */
at91_set_A_periph(AT91_PIN_PD3, 0); /* RXD2 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_US2);
#endif
#ifdef CONFIG_USART3 /* DBGU */
at91_set_A_periph(AT91_PIN_PC30, 0); /* DRXD */
at91_set_A_periph(AT91_PIN_PC31, 1); /* DTXD */
at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS);
#endif
}
static void at91cap9_slowclock_hw_init(void)
{
/*
@ -367,7 +341,7 @@ int board_init(void)
/* adress of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
at91cap9_serial_hw_init();
at91_serial_hw_init();
at91cap9_slowclock_hw_init();
at91cap9_nor_hw_init();
#ifdef CONFIG_CMD_NAND

30
board/atmel/at91sam9260ek/at91sam9260ek.c
View File

@ -26,6 +26,7 @@
#include <asm/arch/at91sam9260.h>
#include <asm/arch/at91sam9260_matrix.h>
#include <asm/arch/at91sam9_smc.h>
#include <asm/arch/at91_common.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_rstc.h>
#include <asm/arch/gpio.h>
@ -43,33 +44,6 @@ DECLARE_GLOBAL_DATA_PTR;
* Miscelaneous platform dependent initialisations
*/
static void at91sam9260ek_serial_hw_init(void)
{
#ifdef CONFIG_USART0
at91_set_A_periph(AT91_PIN_PB4, 1); /* TXD0 */
at91_set_A_periph(AT91_PIN_PB5, 0); /* RXD0 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_US0);
#endif
#ifdef CONFIG_USART1
at91_set_A_periph(AT91_PIN_PB6, 1); /* TXD1 */
at91_set_A_periph(AT91_PIN_PB7, 0); /* RXD1 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_US1);
#endif
#ifdef CONFIG_USART2
at91_set_A_periph(AT91_PIN_PB8, 1); /* TXD2 */
at91_set_A_periph(AT91_PIN_PB9, 0); /* RXD2 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_US2);
#endif
#ifdef CONFIG_USART3 /* DBGU */
at91_set_A_periph(AT91_PIN_PB14, 0); /* DRXD */
at91_set_A_periph(AT91_PIN_PB15, 1); /* DTXD */
at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS);
#endif
}
#ifdef CONFIG_CMD_NAND
static void at91sam9260ek_nand_hw_init(void)
{
@ -217,7 +191,7 @@ int board_init(void)
/* adress of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
at91sam9260ek_serial_hw_init();
at91_serial_hw_init();
#ifdef CONFIG_CMD_NAND
at91sam9260ek_nand_hw_init();
#endif

30
board/atmel/at91sam9261ek/at91sam9261ek.c
View File

@ -26,6 +26,7 @@
#include <asm/arch/at91sam9261.h>
#include <asm/arch/at91sam9261_matrix.h>
#include <asm/arch/at91sam9_smc.h>
#include <asm/arch/at91_common.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_rstc.h>
#include <asm/arch/gpio.h>
@ -43,33 +44,6 @@ DECLARE_GLOBAL_DATA_PTR;
* Miscelaneous platform dependent initialisations
*/
static void at91sam9261ek_serial_hw_init(void)
{
#ifdef CONFIG_USART0
at91_set_A_periph(AT91_PIN_PC8, 1); /* TXD0 */
at91_set_A_periph(AT91_PIN_PC9, 0); /* RXD0 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_US0);
#endif
#ifdef CONFIG_USART1
at91_set_A_periph(AT91_PIN_PC12, 1); /* TXD1 */
at91_set_A_periph(AT91_PIN_PC13, 0); /* RXD1 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_US1);
#endif
#ifdef CONFIG_USART2
at91_set_A_periph(AT91_PIN_PC14, 1); /* TXD2 */
at91_set_A_periph(AT91_PIN_PC15, 0); /* RXD2 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_US2);
#endif
#ifdef CONFIG_USART3 /* DBGU */
at91_set_A_periph(AT91_PIN_PA9, 0); /* DRXD */
at91_set_A_periph(AT91_PIN_PA10, 1); /* DTXD */
at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS);
#endif
}
#ifdef CONFIG_CMD_NAND
static void at91sam9261ek_nand_hw_init(void)
{
@ -250,7 +224,7 @@ int board_init(void)
/* adress of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
at91sam9261ek_serial_hw_init();
at91_serial_hw_init();
#ifdef CONFIG_CMD_NAND
at91sam9261ek_nand_hw_init();
#endif

30
board/atmel/at91sam9263ek/at91sam9263ek.c
View File

@ -27,6 +27,7 @@
#include <asm/arch/at91sam9263.h>
#include <asm/arch/at91sam9263_matrix.h>
#include <asm/arch/at91sam9_smc.h>
#include <asm/arch/at91_common.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_rstc.h>
#include <asm/arch/gpio.h>
@ -46,33 +47,6 @@ DECLARE_GLOBAL_DATA_PTR;
* Miscelaneous platform dependent initialisations
*/
static void at91sam9263ek_serial_hw_init(void)
{
#ifdef CONFIG_USART0
at91_set_A_periph(AT91_PIN_PA26, 1); /* TXD0 */
at91_set_A_periph(AT91_PIN_PA27, 0); /* RXD0 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_US0);
#endif
#ifdef CONFIG_USART1
at91_set_A_periph(AT91_PIN_PD0, 1); /* TXD1 */
at91_set_A_periph(AT91_PIN_PD1, 0); /* RXD1 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_US1);
#endif
#ifdef CONFIG_USART2
at91_set_A_periph(AT91_PIN_PD2, 1); /* TXD2 */
at91_set_A_periph(AT91_PIN_PD3, 0); /* RXD2 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_US2);
#endif
#ifdef CONFIG_USART3 /* DBGU */
at91_set_A_periph(AT91_PIN_PC30, 0); /* DRXD */
at91_set_A_periph(AT91_PIN_PC31, 1); /* DTXD */
at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS);
#endif
}
#ifdef CONFIG_CMD_NAND
static void at91sam9263ek_nand_hw_init(void)
{
@ -301,7 +275,7 @@ int board_init(void)
/* adress of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
at91sam9263ek_serial_hw_init();
at91_serial_hw_init();
#ifdef CONFIG_CMD_NAND
at91sam9263ek_nand_hw_init();
#endif

30
board/atmel/at91sam9rlek/at91sam9rlek.c
View File

@ -26,6 +26,7 @@
#include <asm/arch/at91sam9rl.h>
#include <asm/arch/at91sam9rl_matrix.h>
#include <asm/arch/at91sam9_smc.h>
#include <asm/arch/at91_common.h>
#include <asm/arch/at91_pmc.h>
#include <asm/arch/at91_rstc.h>
#include <asm/arch/gpio.h>
@ -43,33 +44,6 @@ DECLARE_GLOBAL_DATA_PTR;
* Miscelaneous platform dependent initialisations
*/
static void at91sam9rlek_serial_hw_init(void)
{
#ifdef CONFIG_USART0
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);
#endif
#ifdef CONFIG_USART1
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);
#endif
#ifdef CONFIG_USART2
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);
#endif
#ifdef CONFIG_USART3 /* DBGU */
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);
#endif
}
#ifdef CONFIG_CMD_NAND
static void at91sam9rlek_nand_hw_init(void)
{
@ -223,7 +197,7 @@ int board_init(void)
/* adress of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
at91sam9rlek_serial_hw_init();
at91_serial_hw_init();
#ifdef CONFIG_CMD_NAND
at91sam9rlek_nand_hw_init();
#endif

7
cpu/arm926ejs/at91/Makefile
View File

@ -25,8 +25,13 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(SOC).a
COBJS-$(CONFIG_AT91CAP9) += at91cap9_serial.o
COBJS-$(CONFIG_AT91SAM9260) += at91sam9260_serial.o
COBJS-$(CONFIG_AT91SAM9261) += at91sam9261_serial.o
COBJS-$(CONFIG_AT91SAM9263) += at91sam9263_serial.o
COBJS-$(CONFIG_AT91SAM9RL) += at91sam9rl_serial.o
COBJS-$(CONFIG_HAS_DATAFLASH) += spi.o
COBJS-y += timer.o
COBJS-$(CONFIG_HAS_DATAFLASH) +=spi.o
COBJS-y += usb.o
SOBJS = lowlevel_init.o

76
cpu/arm926ejs/at91/at91cap9_serial.c Normal file
View File

@ -0,0 +1,76 @@
/*
* (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_PA22, 1); /* TXD0 */
at91_set_A_periph(AT91_PIN_PA23, 0); /* RXD0 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_US0);
}
void at91_serial1_hw_init(void)
{
at91_set_A_periph(AT91_PIN_PD0, 1); /* TXD1 */
at91_set_A_periph(AT91_PIN_PD1, 0); /* RXD1 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_US1);
}
void at91_serial2_hw_init(void)
{
at91_set_A_periph(AT91_PIN_PD2, 1); /* TXD2 */
at91_set_A_periph(AT91_PIN_PD3, 0); /* RXD2 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_US2);
}
void at91_serial3_hw_init(void)
{
at91_set_A_periph(AT91_PIN_PC30, 0); /* DRXD */
at91_set_A_periph(AT91_PIN_PC31, 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
}

76
cpu/arm926ejs/at91/at91sam9260_serial.c Normal file
View File

@ -0,0 +1,76 @@
/*
* (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_PB4, 1); /* TXD0 */
at91_set_A_periph(AT91_PIN_PB5, 0); /* RXD0 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_US0);
}
void at91_serial1_hw_init(void)
{
at91_set_A_periph(AT91_PIN_PB6, 1); /* TXD1 */
at91_set_A_periph(AT91_PIN_PB7, 0); /* RXD1 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_US1);
}
void at91_serial2_hw_init(void)
{
at91_set_A_periph(AT91_PIN_PB8, 1); /* TXD2 */
at91_set_A_periph(AT91_PIN_PB9, 0); /* RXD2 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_US2);
}
void at91_serial3_hw_init(void)
{
at91_set_A_periph(AT91_PIN_PB14, 0); /* DRXD */
at91_set_A_periph(AT91_PIN_PB15, 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
}

76
cpu/arm926ejs/at91/at91sam9261_serial.c Normal file
View File

@ -0,0 +1,76 @@
/*
* (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_PC8, 1); /* TXD0 */
at91_set_A_periph(AT91_PIN_PC9, 0); /* RXD0 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_US0);
}
void at91_serial1_hw_init(void)
{
at91_set_A_periph(AT91_PIN_PC12, 1); /* TXD1 */
at91_set_A_periph(AT91_PIN_PC13, 0); /* RXD1 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_US1);
}
void at91_serial2_hw_init(void)
{
at91_set_A_periph(AT91_PIN_PC14, 1); /* TXD2 */
at91_set_A_periph(AT91_PIN_PC15, 0); /* RXD2 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_US2);
}
void at91_serial3_hw_init(void)
{
at91_set_A_periph(AT91_PIN_PA9, 0); /* DRXD */
at91_set_A_periph(AT91_PIN_PA10, 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
}

76
cpu/arm926ejs/at91/at91sam9263_serial.c Normal file
View File

@ -0,0 +1,76 @@
/*
* (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_PA26, 1); /* TXD0 */
at91_set_A_periph(AT91_PIN_PA27, 0); /* RXD0 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_US0);
}
void at91_serial1_hw_init(void)
{
at91_set_A_periph(AT91_PIN_PD0, 1); /* TXD1 */
at91_set_A_periph(AT91_PIN_PD1, 0); /* RXD1 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_US1);
}
void at91_serial2_hw_init(void)
{
at91_set_A_periph(AT91_PIN_PD2, 1); /* TXD2 */
at91_set_A_periph(AT91_PIN_PD3, 0); /* RXD2 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_US2);
}
void at91_serial3_hw_init(void)
{
at91_set_A_periph(AT91_PIN_PC30, 0); /* DRXD */
at91_set_A_periph(AT91_PIN_PC31, 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
}

76
cpu/arm926ejs/at91/at91sam9rl_serial.c Normal file
View File

@ -0,0 +1,76 @@
/*
* (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
}

34
include/asm-arm/arch-at91/at91_common.h Normal file
View File

@ -0,0 +1,34 @@
/*
* (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
*/
#ifndef AT91_COMMON_H
#define AT91_COMMON_H
void at91_serial_hw_init(void);
void at91_serial0_hw_init(void);
void at91_serial1_hw_init(void);
void at91_serial2_hw_init(void);
void at91_serial3_hw_init(void);
#endif /* AT91_COMMON_H */