189 lines
4.7 KiB
C
189 lines
4.7 KiB
C
/*
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* linux/arch/arm/mach-at91/board-snapper9260.c
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*
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* Copyright (C) 2010 Bluewater System Ltd
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*
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* Author: Andre Renaud <andre@bluewatersys.com>
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* Author: Ryan Mallon
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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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*/
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#include <linux/init.h>
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#include <linux/gpio.h>
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#include <linux/platform_device.h>
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#include <linux/spi/spi.h>
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#include <linux/i2c/pca953x.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <mach/hardware.h>
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#include <mach/board.h>
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#include <mach/at91_aic.h>
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#include <mach/at91sam9_smc.h>
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#include "sam9_smc.h"
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#include "generic.h"
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#define SNAPPER9260_IO_EXP_GPIO(x) (NR_BUILTIN_GPIO + (x))
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static void __init snapper9260_init_early(void)
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{
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at91_initialize(18432000);
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}
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static struct at91_usbh_data __initdata snapper9260_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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static struct at91_udc_data __initdata snapper9260_udc_data = {
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.vbus_pin = SNAPPER9260_IO_EXP_GPIO(5),
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.vbus_active_low = 1,
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.vbus_polled = 1,
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.pullup_pin = -EINVAL,
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};
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static struct macb_platform_data snapper9260_macb_data = {
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.phy_irq_pin = -EINVAL,
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.is_rmii = 1,
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};
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static struct mtd_partition __initdata snapper9260_nand_partitions[] = {
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{
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.name = "Preboot",
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.offset = 0,
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.size = SZ_128K,
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},
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{
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.name = "Bootloader",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_256K,
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},
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{
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.name = "Environment",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_128K,
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},
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{
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.name = "Kernel",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_4M,
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},
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{
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.name = "Filesystem",
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.offset = MTDPART_OFS_APPEND,
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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 snapper9260_nand_data = {
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.ale = 21,
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.cle = 22,
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.rdy_pin = AT91_PIN_PC13,
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.parts = snapper9260_nand_partitions,
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.num_parts = ARRAY_SIZE(snapper9260_nand_partitions),
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.bus_width_16 = 0,
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.enable_pin = -EINVAL,
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.det_pin = -EINVAL,
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.ecc_mode = NAND_ECC_SOFT,
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};
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static struct sam9_smc_config __initdata snapper9260_nand_smc_config = {
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.ncs_read_setup = 0,
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.nrd_setup = 0,
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.ncs_write_setup = 0,
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.nwe_setup = 0,
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.ncs_read_pulse = 5,
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.nrd_pulse = 2,
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.ncs_write_pulse = 5,
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.nwe_pulse = 2,
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.read_cycle = 7,
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.write_cycle = 7,
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.mode = (AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
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AT91_SMC_EXNWMODE_DISABLE),
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.tdf_cycles = 1,
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};
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static struct pca953x_platform_data snapper9260_io_expander_data = {
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.gpio_base = SNAPPER9260_IO_EXP_GPIO(0),
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};
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static struct i2c_board_info __initdata snapper9260_i2c_devices[] = {
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{
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/* IO expander */
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I2C_BOARD_INFO("max7312", 0x28),
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.platform_data = &snapper9260_io_expander_data,
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},
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{
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/* Audio codec */
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I2C_BOARD_INFO("tlv320aic23", 0x1a),
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},
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};
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static struct i2c_board_info __initdata snapper9260_i2c_isl1208 = {
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/* RTC */
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I2C_BOARD_INFO("isl1208", 0x6f),
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};
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static void __init snapper9260_add_device_nand(void)
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{
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at91_set_A_periph(AT91_PIN_PC14, 0);
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sam9_smc_configure(0, 3, &snapper9260_nand_smc_config);
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at91_add_device_nand(&snapper9260_nand_data);
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}
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static void __init snapper9260_board_init(void)
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{
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at91_add_device_i2c(snapper9260_i2c_devices,
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ARRAY_SIZE(snapper9260_i2c_devices));
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snapper9260_i2c_isl1208.irq = gpio_to_irq(AT91_PIN_PA31);
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i2c_register_board_info(0, &snapper9260_i2c_isl1208, 1);
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/* Debug on ttyS0 */
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at91_register_uart(0, 0, 0);
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at91_register_uart(AT91SAM9260_ID_US0, 1,
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ATMEL_UART_CTS | ATMEL_UART_RTS);
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at91_register_uart(AT91SAM9260_ID_US1, 2,
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ATMEL_UART_CTS | ATMEL_UART_RTS);
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at91_register_uart(AT91SAM9260_ID_US2, 3, 0);
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at91_add_device_serial();
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at91_add_device_usbh(&snapper9260_usbh_data);
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at91_add_device_udc(&snapper9260_udc_data);
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at91_add_device_eth(&snapper9260_macb_data);
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at91_add_device_ssc(AT91SAM9260_ID_SSC, (ATMEL_SSC_TF | ATMEL_SSC_TK |
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ATMEL_SSC_TD | ATMEL_SSC_RD));
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snapper9260_add_device_nand();
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}
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MACHINE_START(SNAPPER_9260, "Bluewater Systems Snapper 9260/9G20 module")
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.timer = &at91sam926x_timer,
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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 = snapper9260_init_early,
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.init_irq = at91_init_irq_default,
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.init_machine = snapper9260_board_init,
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MACHINE_END
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