1/*
  2 * KwikByte CAM60 (KB9260)
  3 *
  4 * based on board-sam9260ek.c
  5 *   Copyright (C) 2005 SAN People
  6 *   Copyright (C) 2006 Atmel
  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#include <linux/spi/flash.h>
 31
 32#include <mach/hardware.h>
 33#include <asm/setup.h>
 34#include <asm/mach-types.h>
 35#include <asm/irq.h>
 36
 37#include <asm/mach/arch.h>
 38#include <asm/mach/map.h>
 39#include <asm/mach/irq.h>
 40
 41#include <mach/board.h>
 42#include <mach/at91sam9_smc.h>
 43
 44#include "sam9_smc.h"
 45#include "generic.h"
 46
 47
 48static void __init cam60_init_early(void)
 49{
 50	/* Initialize processor: 10 MHz crystal */
 51	at91_initialize(10000000);
 52}
 53
 54/*
 55 * USB Host
 56 */
 57static struct at91_usbh_data __initdata cam60_usbh_data = {
 58	.ports		= 1,
 59	.vbus_pin	= {-EINVAL, -EINVAL},
 60	.overcurrent_pin= {-EINVAL, -EINVAL},
 61};
 62
 63
 64/*
 65 * SPI devices.
 66 */
 67#if defined(CONFIG_MTD_DATAFLASH)
 68static struct mtd_partition cam60_spi_partitions[] = {
 69	{
 70		.name	= "BOOT1",
 71		.offset	= 0,
 72		.size	= 4 * 1056,
 73	},
 74	{
 75		.name	= "BOOT2",
 76		.offset	= MTDPART_OFS_NXTBLK,
 77		.size	= 256 * 1056,
 78	},
 79	{
 80		.name	= "kernel",
 81		.offset	= MTDPART_OFS_NXTBLK,
 82		.size	= 2222 * 1056,
 83	},
 84	{
 85		.name	= "file system",
 86		.offset	= MTDPART_OFS_NXTBLK,
 87		.size	= MTDPART_SIZ_FULL,
 88	},
 89};
 90
 91static struct flash_platform_data cam60_spi_flash_platform_data = {
 92	.name		= "spi_flash",
 93	.parts		= cam60_spi_partitions,
 94	.nr_parts	= ARRAY_SIZE(cam60_spi_partitions)
 95};
 96#endif
 97
 98static struct spi_board_info cam60_spi_devices[] __initdata = {
 99#if defined(CONFIG_MTD_DATAFLASH)
100	{	/* DataFlash chip */
101		.modalias	= "mtd_dataflash",
102		.chip_select	= 0,
103		.max_speed_hz	= 15 * 1000 * 1000,
104		.bus_num	= 0,
105		.platform_data	= &cam60_spi_flash_platform_data
106	},
107#endif
108};
109
110
111/*
112 * MACB Ethernet device
113 */
114static struct __initdata macb_platform_data cam60_macb_data = {
115	.phy_irq_pin	= AT91_PIN_PB5,
116	.is_rmii	= 0,
117};
118
119
120/*
121 * NAND Flash
122 */
123static struct mtd_partition __initdata cam60_nand_partition[] = {
124	{
125		.name	= "nand_fs",
126		.offset	= 0,
127		.size	= MTDPART_SIZ_FULL,
128	},
129};
130
131static struct atmel_nand_data __initdata cam60_nand_data = {
132	.ale		= 21,
133	.cle		= 22,
134	.det_pin	= -EINVAL,
135	.rdy_pin	= AT91_PIN_PA9,
136	.enable_pin	= AT91_PIN_PA7,
137	.ecc_mode	= NAND_ECC_SOFT,
138	.parts		= cam60_nand_partition,
139	.num_parts	= ARRAY_SIZE(cam60_nand_partition),
140};
141
142static struct sam9_smc_config __initdata cam60_nand_smc_config = {
143	.ncs_read_setup		= 0,
144	.nrd_setup		= 1,
145	.ncs_write_setup	= 0,
146	.nwe_setup		= 1,
147
148	.ncs_read_pulse		= 3,
149	.nrd_pulse		= 3,
150	.ncs_write_pulse	= 3,
151	.nwe_pulse		= 3,
152
153	.read_cycle		= 5,
154	.write_cycle		= 5,
155
156	.mode			= AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
157	.tdf_cycles		= 2,
158};
159
160static void __init cam60_add_device_nand(void)
161{
162	/* configure chip-select 3 (NAND) */
163	sam9_smc_configure(0, 3, &cam60_nand_smc_config);
164
165	at91_add_device_nand(&cam60_nand_data);
166}
167
168
169static void __init cam60_board_init(void)
170{
171	/* Serial */
172	/* DBGU on ttyS0. (Rx & Tx only) */
173	at91_register_uart(0, 0, 0);
174	at91_add_device_serial();
175	/* SPI */
176	at91_add_device_spi(cam60_spi_devices, ARRAY_SIZE(cam60_spi_devices));
177	/* Ethernet */
178	at91_add_device_eth(&cam60_macb_data);
179	/* USB Host */
180	/* enable USB power supply circuit */
181	at91_set_gpio_output(AT91_PIN_PB18, 1);
182	at91_add_device_usbh(&cam60_usbh_data);
183	/* NAND */
184	cam60_add_device_nand();
185}
186
187MACHINE_START(CAM60, "KwikByte CAM60")
188	/* Maintainer: KwikByte */
189	.timer		= &at91sam926x_timer,
190	.map_io		= at91_map_io,
191	.init_early	= cam60_init_early,
192	.init_irq	= at91_init_irq_default,
193	.init_machine	= cam60_board_init,
194MACHINE_END