mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-14 23:33:00 +00:00
9453967e28
The Calao SBC35-A9G20 board is manufactured and sold by Calao Systems <http://www.calao-systems.com>. It is built around an AT91SAM9G20 ARM SoC running at 400MHz. It features an Ethernet port, an SPI RTC backed by an onboard battery , an SD/MMC slot, a CompactFlash slot, 64Mo of SDRAM, 256Mo of NAND flash, two USB host ports, and an USB device port. More informations can be found at <http://www.calao-systems.com/articles.php?lng=en&pg=5936> Signed-off-by: Albin Tonnerre <albin.tonnerre@free-electrons.com>
184 lines
5 KiB
C
184 lines
5 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_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
|
|
}
|
|
|
|
#if defined(CONFIG_HAS_DATAFLASH) || defined(CONFIG_ATMEL_SPI)
|
|
void at91_spi0_hw_init(unsigned long cs_mask)
|
|
{
|
|
at91_set_A_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */
|
|
at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */
|
|
at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */
|
|
|
|
/* Enable clock */
|
|
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_SPI0);
|
|
|
|
if (cs_mask & (1 << 0)) {
|
|
at91_set_A_periph(AT91_PIN_PA3, 1);
|
|
}
|
|
if (cs_mask & (1 << 1)) {
|
|
at91_set_B_periph(AT91_PIN_PC11, 1);
|
|
}
|
|
if (cs_mask & (1 << 2)) {
|
|
at91_set_B_periph(AT91_PIN_PC16, 1);
|
|
}
|
|
if (cs_mask & (1 << 3)) {
|
|
at91_set_B_periph(AT91_PIN_PC17, 1);
|
|
}
|
|
if (cs_mask & (1 << 4)) {
|
|
at91_set_gpio_output(AT91_PIN_PA3, 1);
|
|
}
|
|
if (cs_mask & (1 << 5)) {
|
|
at91_set_gpio_output(AT91_PIN_PC11, 1);
|
|
}
|
|
if (cs_mask & (1 << 6)) {
|
|
at91_set_gpio_output(AT91_PIN_PC16, 1);
|
|
}
|
|
if (cs_mask & (1 << 7)) {
|
|
at91_set_gpio_output(AT91_PIN_PC17, 1);
|
|
}
|
|
}
|
|
|
|
void at91_spi1_hw_init(unsigned long cs_mask)
|
|
{
|
|
at91_set_A_periph(AT91_PIN_PB0, 0); /* SPI1_MISO */
|
|
at91_set_A_periph(AT91_PIN_PB1, 0); /* SPI1_MOSI */
|
|
at91_set_A_periph(AT91_PIN_PB2, 0); /* SPI1_SPCK */
|
|
|
|
/* Enable clock */
|
|
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9260_ID_SPI1);
|
|
|
|
if (cs_mask & (1 << 0)) {
|
|
at91_set_A_periph(AT91_PIN_PB3, 1);
|
|
}
|
|
if (cs_mask & (1 << 1)) {
|
|
at91_set_B_periph(AT91_PIN_PC5, 1);
|
|
}
|
|
if (cs_mask & (1 << 2)) {
|
|
at91_set_B_periph(AT91_PIN_PC4, 1);
|
|
}
|
|
if (cs_mask & (1 << 3)) {
|
|
at91_set_gpio_output(AT91_PIN_PC3, 1);
|
|
}
|
|
if (cs_mask & (1 << 4)) {
|
|
at91_set_gpio_output(AT91_PIN_PB3, 1);
|
|
}
|
|
if (cs_mask & (1 << 5)) {
|
|
at91_set_gpio_output(AT91_PIN_PC5, 1);
|
|
}
|
|
if (cs_mask & (1 << 6)) {
|
|
at91_set_gpio_output(AT91_PIN_PC4, 1);
|
|
}
|
|
if (cs_mask & (1 << 7)) {
|
|
at91_set_gpio_output(AT91_PIN_PC3, 1);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_MACB
|
|
void at91_macb_hw_init(void)
|
|
{
|
|
at91_set_A_periph(AT91_PIN_PA19, 0); /* ETXCK_EREFCK */
|
|
at91_set_A_periph(AT91_PIN_PA17, 0); /* ERXDV */
|
|
at91_set_A_periph(AT91_PIN_PA14, 0); /* ERX0 */
|
|
at91_set_A_periph(AT91_PIN_PA15, 0); /* ERX1 */
|
|
at91_set_A_periph(AT91_PIN_PA18, 0); /* ERXER */
|
|
at91_set_A_periph(AT91_PIN_PA16, 0); /* ETXEN */
|
|
at91_set_A_periph(AT91_PIN_PA12, 0); /* ETX0 */
|
|
at91_set_A_periph(AT91_PIN_PA13, 0); /* ETX1 */
|
|
at91_set_A_periph(AT91_PIN_PA21, 0); /* EMDIO */
|
|
at91_set_A_periph(AT91_PIN_PA20, 0); /* EMDC */
|
|
|
|
#ifndef CONFIG_RMII
|
|
at91_set_B_periph(AT91_PIN_PA28, 0); /* ECRS */
|
|
at91_set_B_periph(AT91_PIN_PA29, 0); /* ECOL */
|
|
at91_set_B_periph(AT91_PIN_PA25, 0); /* ERX2 */
|
|
at91_set_B_periph(AT91_PIN_PA26, 0); /* ERX3 */
|
|
at91_set_B_periph(AT91_PIN_PA27, 0); /* ERXCK */
|
|
#if defined(CONFIG_AT91SAM9260EK) || defined(CONFIG_AFEB9260)
|
|
/*
|
|
* use PA10, PA11 for ETX2, ETX3.
|
|
* PA23 and PA24 are for TWI EEPROM
|
|
*/
|
|
at91_set_B_periph(AT91_PIN_PA10, 0); /* ETX2 */
|
|
at91_set_B_periph(AT91_PIN_PA11, 0); /* ETX3 */
|
|
#else
|
|
at91_set_B_periph(AT91_PIN_PA23, 0); /* ETX2 */
|
|
at91_set_B_periph(AT91_PIN_PA24, 0); /* ETX3 */
|
|
#endif
|
|
at91_set_B_periph(AT91_PIN_PA22, 0); /* ETXER */
|
|
#endif
|
|
}
|
|
#endif
|