1/*
  2 * linux/arch/arm/mach-at91/board-afeb-9260v1.c
  3 *
  4 *  Copyright (C) 2005 SAN People
  5 *  Copyright (C) 2006 Atmel
  6 *  Copyright (C) 2008 Sergey Lapin
  7 *
  8 * A custom board designed as open hardware; PCBs and various information
  9 * is available at http://groups.google.com/group/arm9fpga-evolution-board/
 10 * Subversion repository: svn://194.85.238.22/home/users/george/svn/arm9eb
 11 *
 12 * This program is free software; you can redistribute it and/or modify
 13 * it under the terms of the GNU General Public License as published by
 14 * the Free Software Foundation; either version 2 of the License, or
 15 * (at your option) any later version.
 16 *
 17 * This program is distributed in the hope that it will be useful,
 18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 20 * GNU General Public License for more details.
 21 *
 22 * You should have received a copy of the GNU General Public License
 23 * along with this program; if not, write to the Free Software
 24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 25 */
 26
 27#include <linux/types.h>
 28#include <linux/gpio.h>
 29#include <linux/init.h>
 30#include <linux/mm.h>
 31#include <linux/module.h>
 32#include <linux/platform_device.h>
 33#include <linux/spi/spi.h>
 34#include <linux/clk.h>
 35#include <linux/dma-mapping.h>
 36
 37#include <mach/hardware.h>
 38#include <asm/setup.h>
 39#include <asm/mach-types.h>
 40#include <asm/irq.h>
 41
 42#include <asm/mach/arch.h>
 43#include <asm/mach/map.h>
 44#include <asm/mach/irq.h>
 45
 46#include <mach/board.h>
 47
 48#include "generic.h"
 49
 50
 51static void __init afeb9260_init_early(void)
 52{
 53	/* Initialize processor: 18.432 MHz crystal */
 54	at91_initialize(18432000);
 55}
 56
 57/*
 58 * USB Host port
 59 */
 60static struct at91_usbh_data __initdata afeb9260_usbh_data = {
 61	.ports		= 1,
 62	.vbus_pin	= {-EINVAL, -EINVAL},
 63	.overcurrent_pin= {-EINVAL, -EINVAL},
 64};
 65
 66/*
 67 * USB Device port
 68 */
 69static struct at91_udc_data __initdata afeb9260_udc_data = {
 70	.vbus_pin	= AT91_PIN_PC5,
 71	.pullup_pin	= -EINVAL,		/* pull-up driven by UDC */
 72};
 73
 74
 75
 76/*
 77 * SPI devices.
 78 */
 79static struct spi_board_info afeb9260_spi_devices[] = {
 80	{	/* DataFlash chip */
 81		.modalias	= "mtd_dataflash",
 82		.chip_select	= 1,
 83		.max_speed_hz	= 15 * 1000 * 1000,
 84		.bus_num	= 0,
 85	},
 86};
 87
 88
 89/*
 90 * MACB Ethernet device
 91 */
 92static struct macb_platform_data __initdata afeb9260_macb_data = {
 93	.phy_irq_pin	= AT91_PIN_PA9,
 94	.is_rmii	= 0,
 95};
 96
 97
 98/*
 99 * NAND flash
100 */
101static struct mtd_partition __initdata afeb9260_nand_partition[] = {
102	{
103		.name	= "bootloader",
104		.offset	= 0,
105		.size	= (640 * SZ_1K),
106	},
107	{
108		.name	= "kernel",
109		.offset	= MTDPART_OFS_NXTBLK,
110		.size	= SZ_2M,
111	},
112	{
113		.name	= "rootfs",
114		.offset	= MTDPART_OFS_NXTBLK,
115		.size	= MTDPART_SIZ_FULL,
116	},
117};
118
119static struct atmel_nand_data __initdata afeb9260_nand_data = {
120	.ale		= 21,
121	.cle		= 22,
122	.rdy_pin	= AT91_PIN_PC13,
123	.enable_pin	= AT91_PIN_PC14,
124	.bus_width_16	= 0,
125	.ecc_mode	= NAND_ECC_SOFT,
126	.parts		= afeb9260_nand_partition,
127	.num_parts	= ARRAY_SIZE(afeb9260_nand_partition),
128	.det_pin	= -EINVAL,
129};
130
131
132/*
133 * MCI (SD/MMC)
134 */
135static struct at91_mmc_data __initdata afeb9260_mmc_data = {
136	.det_pin 	= AT91_PIN_PC9,
137	.wp_pin 	= AT91_PIN_PC4,
138	.slot_b		= 1,
139	.wire4		= 1,
140	.vcc_pin	= -EINVAL,
141};
142
143
144
145static struct i2c_board_info __initdata afeb9260_i2c_devices[] = {
146	{
147		I2C_BOARD_INFO("tlv320aic23", 0x1a),
148	}, {
149		I2C_BOARD_INFO("fm3130", 0x68),
150	}, {
151		I2C_BOARD_INFO("24c64", 0x50),
152	},
153};
154
155/*
156 * IDE (CF True IDE mode)
157 */
158static struct at91_cf_data afeb9260_cf_data = {
159	.chipselect = 4,
160	.irq_pin    = AT91_PIN_PA6,
161	.det_pin	= -EINVAL,
162	.vcc_pin	= -EINVAL,
163	.rst_pin    = AT91_PIN_PA7,
164	.flags      = AT91_CF_TRUE_IDE,
165};
166
167static void __init afeb9260_board_init(void)
168{
169	/* Serial */
170	/* DBGU on ttyS0. (Rx & Tx only) */
171	at91_register_uart(0, 0, 0);
172
173	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
174	at91_register_uart(AT91SAM9260_ID_US0, 1,
175			     ATMEL_UART_CTS | ATMEL_UART_RTS
176			   | ATMEL_UART_DTR | ATMEL_UART_DSR
177			   | ATMEL_UART_DCD | ATMEL_UART_RI);
178
179	/* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
180	at91_register_uart(AT91SAM9260_ID_US1, 2,
181			ATMEL_UART_CTS | ATMEL_UART_RTS);
182	at91_add_device_serial();
183	/* USB Host */
184	at91_add_device_usbh(&afeb9260_usbh_data);
185	/* USB Device */
186	at91_add_device_udc(&afeb9260_udc_data);
187	/* SPI */
188	at91_add_device_spi(afeb9260_spi_devices,
189			ARRAY_SIZE(afeb9260_spi_devices));
190	/* NAND */
191	at91_add_device_nand(&afeb9260_nand_data);
192	/* Ethernet */
193	at91_add_device_eth(&afeb9260_macb_data);
194
195	/* Standard function's pin assignments are not
196	 * appropriate for us and generic code provide
197	 * no API to configure these pins any other way */
198	at91_set_B_periph(AT91_PIN_PA10, 0);	/* ETX2 */
199	at91_set_B_periph(AT91_PIN_PA11, 0);	/* ETX3 */
200	/* MMC */
201	at91_add_device_mmc(0, &afeb9260_mmc_data);
202	/* I2C */
203	at91_add_device_i2c(afeb9260_i2c_devices,
204			ARRAY_SIZE(afeb9260_i2c_devices));
205	/* Audio */
206	at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
207	/* IDE */
208	at91_add_device_cf(&afeb9260_cf_data);
209}
210
211MACHINE_START(AFEB9260, "Custom afeb9260 board")
212	/* Maintainer: Sergey Lapin <slapin@ossfans.org> */
213	.timer		= &at91sam926x_timer,
214	.map_io		= at91_map_io,
215	.init_early	= afeb9260_init_early,
216	.init_irq	= at91_init_irq_default,
217	.init_machine	= afeb9260_board_init,
218MACHINE_END
219