1/*
  2 * linux/arch/arm/mach-at91/board-sam9-l9260.c
  3 *
  4 *  Copyright (C) 2005 SAN People
  5 *  Copyright (C) 2006 Atmel
  6 *  Copyright (C) 2007 Olimex Ltd
  7 *
  8 * This program is free software; you can redistribute it and/or modify
  9 * it under the terms of the GNU General Public License as published by
 10 * the Free Software Foundation; either version 2 of the License, or
 11 * (at your option) any later version.
 12 *
 13 * This program is distributed in the hope that it will be useful,
 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 16 * GNU General Public License for more details.
 17 *
 18 * You should have received a copy of the GNU General Public License
 19 * along with this program; if not, write to the Free Software
 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 21 */
 22
 23#include <linux/types.h>
 24#include <linux/gpio.h>
 25#include <linux/init.h>
 26#include <linux/mm.h>
 27#include <linux/module.h>
 28#include <linux/platform_device.h>
 29#include <linux/spi/spi.h>
 30
 31#include <mach/hardware.h>
 32#include <asm/setup.h>
 33#include <asm/mach-types.h>
 34#include <asm/irq.h>
 35
 36#include <asm/mach/arch.h>
 37#include <asm/mach/map.h>
 38#include <asm/mach/irq.h>
 39
 40#include <mach/board.h>
 41#include <mach/at91sam9_smc.h>
 42
 43#include "sam9_smc.h"
 44#include "generic.h"
 45
 46
 47static void __init ek_init_early(void)
 48{
 49	/* Initialize processor: 18.432 MHz crystal */
 50	at91_initialize(18432000);
 51}
 52
 53/*
 54 * USB Host port
 55 */
 56static struct at91_usbh_data __initdata ek_usbh_data = {
 57	.ports		= 2,
 58	.vbus_pin	= {-EINVAL, -EINVAL},
 59	.overcurrent_pin= {-EINVAL, -EINVAL},
 60};
 61
 62/*
 63 * USB Device port
 64 */
 65static struct at91_udc_data __initdata ek_udc_data = {
 66	.vbus_pin	= AT91_PIN_PC5,
 67	.pullup_pin	= -EINVAL,		/* pull-up driven by UDC */
 68};
 69
 70
 71/*
 72 * SPI devices.
 73 */
 74static struct spi_board_info ek_spi_devices[] = {
 75#if !defined(CONFIG_MMC_AT91)
 76	{	/* DataFlash chip */
 77		.modalias	= "mtd_dataflash",
 78		.chip_select	= 1,
 79		.max_speed_hz	= 15 * 1000 * 1000,
 80		.bus_num	= 0,
 81	},
 82#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
 83	{	/* DataFlash card */
 84		.modalias	= "mtd_dataflash",
 85		.chip_select	= 0,
 86		.max_speed_hz	= 15 * 1000 * 1000,
 87		.bus_num	= 0,
 88	},
 89#endif
 90#endif
 91};
 92
 93
 94/*
 95 * MACB Ethernet device
 96 */
 97static struct macb_platform_data __initdata ek_macb_data = {
 98	.phy_irq_pin	= AT91_PIN_PA7,
 99	.is_rmii	= 0,
100};
101
102
103/*
104 * NAND flash
105 */
106static struct mtd_partition __initdata ek_nand_partition[] = {
107	{
108		.name	= "Bootloader Area",
109		.offset	= 0,
110		.size	= 10 * SZ_1M,
111	},
112	{
113		.name	= "User Area",
114		.offset	= MTDPART_OFS_NXTBLK,
115		.size	= MTDPART_SIZ_FULL,
116	},
117};
118
119static struct atmel_nand_data __initdata ek_nand_data = {
120	.ale		= 21,
121	.cle		= 22,
122	.det_pin	= -EINVAL,
123	.rdy_pin	= AT91_PIN_PC13,
124	.enable_pin	= AT91_PIN_PC14,
125	.ecc_mode	= NAND_ECC_SOFT,
126	.parts		= ek_nand_partition,
127	.num_parts	= ARRAY_SIZE(ek_nand_partition),
128};
129
130static struct sam9_smc_config __initdata ek_nand_smc_config = {
131	.ncs_read_setup		= 0,
132	.nrd_setup		= 1,
133	.ncs_write_setup	= 0,
134	.nwe_setup		= 1,
135
136	.ncs_read_pulse		= 3,
137	.nrd_pulse		= 3,
138	.ncs_write_pulse	= 3,
139	.nwe_pulse		= 3,
140
141	.read_cycle		= 5,
142	.write_cycle		= 5,
143
144	.mode			= AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
145	.tdf_cycles		= 2,
146};
147
148static void __init ek_add_device_nand(void)
149{
150	/* configure chip-select 3 (NAND) */
151	sam9_smc_configure(0, 3, &ek_nand_smc_config);
152
153	at91_add_device_nand(&ek_nand_data);
154}
155
156
157/*
158 * MCI (SD/MMC)
159 */
160static struct at91_mmc_data __initdata ek_mmc_data = {
161	.slot_b		= 1,
162	.wire4		= 1,
163	.det_pin	= AT91_PIN_PC8,
164	.wp_pin		= AT91_PIN_PC4,
165	.vcc_pin	= -EINVAL,
166};
167
168static void __init ek_board_init(void)
169{
170	/* Setup the LEDs */
171	at91_init_leds(AT91_PIN_PA9, AT91_PIN_PA6);
172
173	/* Serial */
174	/* DBGU on ttyS0. (Rx & Tx only) */
175	at91_register_uart(0, 0, 0);
176
177	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
178	at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
179			   | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
180			   | ATMEL_UART_RI);
181
182	/* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
183	at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
184	at91_add_device_serial();
185	/* USB Host */
186	at91_add_device_usbh(&ek_usbh_data);
187	/* USB Device */
188	at91_add_device_udc(&ek_udc_data);
189	/* SPI */
190	at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
191	/* NAND */
192	ek_add_device_nand();
193	/* Ethernet */
194	at91_add_device_eth(&ek_macb_data);
195	/* MMC */
196	at91_add_device_mmc(0, &ek_mmc_data);
197	/* I2C */
198	at91_add_device_i2c(NULL, 0);
199}
200
201MACHINE_START(SAM9_L9260, "Olimex SAM9-L9260")
202	/* Maintainer: Olimex */
203	.timer		= &at91sam926x_timer,
204	.map_io		= at91_map_io,
205	.init_early	= ek_init_early,
206	.init_irq	= at91_init_irq_default,
207	.init_machine	= ek_board_init,
208MACHINE_END