1/*
  2 * linux/arch/arm/mach-at91/board-snapper9260.c
  3 *
  4 *  Copyright (C) 2010 Bluewater System Ltd
  5 *
  6 * Author: Andre Renaud <andre@bluewatersys.com>
  7 * Author: Ryan Mallon
  8 *
  9 * This program is free software; you can redistribute it and/or modify
 10 * it under the terms of the GNU General Public License as published by
 11 * the Free Software Foundation; either version 2 of the License, or
 12 * (at your option) any later version.
 13 *
 14 * This program is distributed in the hope that it will be useful,
 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 17 * GNU General Public License for more details.
 18 *
 19 * You should have received a copy of the GNU General Public License
 20 * along with this program; if not, write to the Free Software
 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 22 *
 23 */
 24
 25#include <linux/init.h>
 26#include <linux/gpio.h>
 27#include <linux/platform_device.h>
 28#include <linux/spi/spi.h>
 29#include <linux/i2c/pca953x.h>
 30
 31#include <asm/mach-types.h>
 32#include <asm/mach/arch.h>
 33
 34#include <mach/hardware.h>
 35#include <mach/board.h>
 36#include <mach/at91sam9_smc.h>
 37
 38#include "sam9_smc.h"
 39#include "generic.h"
 40
 41#define SNAPPER9260_IO_EXP_GPIO(x)	(NR_BUILTIN_GPIO + (x))
 42
 43static void __init snapper9260_init_early(void)
 44{
 45	at91_initialize(18432000);
 46
 47	/* Debug on ttyS0 */
 48	at91_register_uart(0, 0, 0);
 49	at91_set_serial_console(0);
 50
 51	at91_register_uart(AT91SAM9260_ID_US0, 1,
 52			   ATMEL_UART_CTS | ATMEL_UART_RTS);
 53	at91_register_uart(AT91SAM9260_ID_US1, 2,
 54			   ATMEL_UART_CTS | ATMEL_UART_RTS);
 55	at91_register_uart(AT91SAM9260_ID_US2, 3, 0);
 56}
 57
 58static struct at91_usbh_data __initdata snapper9260_usbh_data = {
 59	.ports		= 2,
 60};
 61
 62static struct at91_udc_data __initdata snapper9260_udc_data = {
 63	.vbus_pin		= SNAPPER9260_IO_EXP_GPIO(5),
 64	.vbus_active_low	= 1,
 65	.vbus_polled		= 1,
 66};
 67
 68static struct at91_eth_data snapper9260_macb_data = {
 69	.is_rmii	= 1,
 70};
 71
 72static struct mtd_partition __initdata snapper9260_nand_partitions[] = {
 73	{
 74		.name	= "Preboot",
 75		.offset	= 0,
 76		.size	= SZ_128K,
 77	},
 78	{
 79		.name	= "Bootloader",
 80		.offset	= MTDPART_OFS_APPEND,
 81		.size	= SZ_256K,
 82	},
 83	{
 84		.name	= "Environment",
 85		.offset	= MTDPART_OFS_APPEND,
 86		.size	= SZ_128K,
 87	},
 88	{
 89		.name	= "Kernel",
 90		.offset	= MTDPART_OFS_APPEND,
 91		.size	= SZ_4M,
 92	},
 93	{
 94		.name	= "Filesystem",
 95		.offset	= MTDPART_OFS_APPEND,
 96		.size	= MTDPART_SIZ_FULL,
 97	},
 98};
 99
100static struct mtd_partition * __init
101snapper9260_nand_partition_info(int size, int *num_partitions)
102{
103	*num_partitions = ARRAY_SIZE(snapper9260_nand_partitions);
104	return snapper9260_nand_partitions;
105}
106
107static struct atmel_nand_data __initdata snapper9260_nand_data = {
108	.ale		= 21,
109	.cle		= 22,
110	.rdy_pin	= AT91_PIN_PC13,
111	.partition_info	= snapper9260_nand_partition_info,
112	.bus_width_16	= 0,
113};
114
115static struct sam9_smc_config __initdata snapper9260_nand_smc_config = {
116	.ncs_read_setup		= 0,
117	.nrd_setup		= 0,
118	.ncs_write_setup	= 0,
119	.nwe_setup		= 0,
120
121	.ncs_read_pulse		= 5,
122	.nrd_pulse		= 2,
123	.ncs_write_pulse	= 5,
124	.nwe_pulse		= 2,
125
126	.read_cycle		= 7,
127	.write_cycle		= 7,
128
129	.mode			= (AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
130				   AT91_SMC_EXNWMODE_DISABLE),
131	.tdf_cycles		= 1,
132};
133
134static struct pca953x_platform_data snapper9260_io_expander_data = {
135	.gpio_base		= SNAPPER9260_IO_EXP_GPIO(0),
136};
137
138static struct i2c_board_info __initdata snapper9260_i2c_devices[] = {
139	{
140		/* IO expander */
141		I2C_BOARD_INFO("max7312", 0x28),
142		.platform_data = &snapper9260_io_expander_data,
143	},
144	{
145		/* Audio codec */
146		I2C_BOARD_INFO("tlv320aic23", 0x1a),
147	},
148	{
149		/* RTC */
150		I2C_BOARD_INFO("isl1208", 0x6f),
151		.irq = gpio_to_irq(AT91_PIN_PA31),
152	},
153};
154
155static void __init snapper9260_add_device_nand(void)
156{
157	at91_set_A_periph(AT91_PIN_PC14, 0);
158	sam9_smc_configure(3, &snapper9260_nand_smc_config);
159	at91_add_device_nand(&snapper9260_nand_data);
160}
161
162static void __init snapper9260_board_init(void)
163{
164	at91_add_device_i2c(snapper9260_i2c_devices,
165			    ARRAY_SIZE(snapper9260_i2c_devices));
166	at91_add_device_serial();
167	at91_add_device_usbh(&snapper9260_usbh_data);
168	at91_add_device_udc(&snapper9260_udc_data);
169	at91_add_device_eth(&snapper9260_macb_data);
170	at91_add_device_ssc(AT91SAM9260_ID_SSC, (ATMEL_SSC_TF | ATMEL_SSC_TK |
171						 ATMEL_SSC_TD | ATMEL_SSC_RD));
172	snapper9260_add_device_nand();
173}
174
175MACHINE_START(SNAPPER_9260, "Bluewater Systems Snapper 9260/9G20 module")
176	.timer		= &at91sam926x_timer,
177	.map_io		= at91_map_io,
178	.init_early	= snapper9260_init_early,
179	.init_irq	= at91_init_irq_default,
180	.init_machine	= snapper9260_board_init,
181MACHINE_END
182
183