229 lines
5.0 KiB
C
229 lines
5.0 KiB
C
/*
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* linux/arch/arm/mach-at91/board-sam9-l9260.c
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*
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* Copyright (C) 2005 SAN People
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* Copyright (C) 2006 Atmel
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* Copyright (C) 2007 Olimex Ltd
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <linux/types.h>
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#include <linux/gpio.h>
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#include <linux/init.h>
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#include <linux/mm.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/spi/spi.h>
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#include <mach/hardware.h>
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#include <asm/setup.h>
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#include <asm/mach-types.h>
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#include <asm/irq.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <mach/at91sam9_smc.h>
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#include "at91_aic.h"
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#include "board.h"
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#include "sam9_smc.h"
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#include "generic.h"
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#include "gpio.h"
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static void __init ek_init_early(void)
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{
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/* Initialize processor: 18.432 MHz crystal */
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at91_initialize(18432000);
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}
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/*
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* USB Host port
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*/
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static struct at91_usbh_data __initdata ek_usbh_data = {
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.ports = 2,
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.vbus_pin = {-EINVAL, -EINVAL},
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.overcurrent_pin= {-EINVAL, -EINVAL},
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};
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/*
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* USB Device port
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*/
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static struct at91_udc_data __initdata ek_udc_data = {
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.vbus_pin = AT91_PIN_PC5,
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.pullup_pin = -EINVAL, /* pull-up driven by UDC */
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};
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/*
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* SPI devices.
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*/
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static struct spi_board_info ek_spi_devices[] = {
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#if !IS_ENABLED(CONFIG_MMC_ATMELMCI)
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{ /* DataFlash chip */
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.modalias = "mtd_dataflash",
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.chip_select = 1,
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.max_speed_hz = 15 * 1000 * 1000,
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.bus_num = 0,
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},
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#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
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{ /* DataFlash card */
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.modalias = "mtd_dataflash",
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.chip_select = 0,
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.max_speed_hz = 15 * 1000 * 1000,
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.bus_num = 0,
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},
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#endif
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#endif
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};
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/*
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* MACB Ethernet device
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*/
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static struct macb_platform_data __initdata ek_macb_data = {
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.phy_irq_pin = AT91_PIN_PA7,
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.is_rmii = 0,
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};
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/*
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* NAND flash
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*/
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static struct mtd_partition __initdata ek_nand_partition[] = {
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{
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.name = "Bootloader Area",
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.offset = 0,
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.size = 10 * SZ_1M,
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},
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{
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.name = "User Area",
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.offset = MTDPART_OFS_NXTBLK,
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.size = MTDPART_SIZ_FULL,
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},
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};
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static struct atmel_nand_data __initdata ek_nand_data = {
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.ale = 21,
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.cle = 22,
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.det_pin = -EINVAL,
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.rdy_pin = AT91_PIN_PC13,
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.enable_pin = AT91_PIN_PC14,
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.ecc_mode = NAND_ECC_SOFT,
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.parts = ek_nand_partition,
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.num_parts = ARRAY_SIZE(ek_nand_partition),
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};
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static struct sam9_smc_config __initdata ek_nand_smc_config = {
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.ncs_read_setup = 0,
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.nrd_setup = 1,
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.ncs_write_setup = 0,
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.nwe_setup = 1,
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.ncs_read_pulse = 3,
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.nrd_pulse = 3,
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.ncs_write_pulse = 3,
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.nwe_pulse = 3,
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.read_cycle = 5,
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.write_cycle = 5,
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.mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
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.tdf_cycles = 2,
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};
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static void __init ek_add_device_nand(void)
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{
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/* configure chip-select 3 (NAND) */
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sam9_smc_configure(0, 3, &ek_nand_smc_config);
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at91_add_device_nand(&ek_nand_data);
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}
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/*
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* MCI (SD/MMC)
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*/
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static struct mci_platform_data __initdata ek_mci0_data = {
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.slot[1] = {
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.bus_width = 4,
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.detect_pin = AT91_PIN_PC8,
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.wp_pin = AT91_PIN_PC4,
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},
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};
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/*
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* LEDs
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*/
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static struct gpio_led ek_leds[] = {
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{ /* D1 */
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.name = "led1",
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.gpio = AT91_PIN_PA9,
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.active_low = 1,
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.default_trigger = "heartbeat",
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},
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{ /* D2 */
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.name = "led2",
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.gpio = AT91_PIN_PA6,
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.active_low = 1,
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.default_trigger = "timer",
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}
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};
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static void __init ek_board_init(void)
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{
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/* Serial */
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/* DBGU on ttyS0. (Rx & Tx only) */
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at91_register_uart(0, 0, 0);
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/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
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at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
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| ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
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| ATMEL_UART_RI);
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/* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
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at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
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at91_add_device_serial();
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/* USB Host */
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at91_add_device_usbh(&ek_usbh_data);
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/* USB Device */
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at91_add_device_udc(&ek_udc_data);
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/* SPI */
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at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
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/* NAND */
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ek_add_device_nand();
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/* Ethernet */
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at91_add_device_eth(&ek_macb_data);
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/* MMC */
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at91_add_device_mci(0, &ek_mci0_data);
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/* I2C */
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at91_add_device_i2c(NULL, 0);
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/* LEDs */
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at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
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}
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MACHINE_START(SAM9_L9260, "Olimex SAM9-L9260")
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/* Maintainer: Olimex */
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.init_time = at91sam926x_pit_init,
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.map_io = at91_map_io,
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.handle_irq = at91_aic_handle_irq,
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.init_early = ek_init_early,
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.init_irq = at91_init_irq_default,
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.init_machine = ek_board_init,
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MACHINE_END
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