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
snapper9260_init_early(void)43 static 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
58 static struct at91_usbh_data __initdata snapper9260_usbh_data = {
59 .ports = 2,
60 .vbus_pin = {-EINVAL, -EINVAL},
61 .overcurrent_pin= {-EINVAL, -EINVAL},
62 };
63
64 static struct at91_udc_data __initdata snapper9260_udc_data = {
65 .vbus_pin = SNAPPER9260_IO_EXP_GPIO(5),
66 .vbus_active_low = 1,
67 .vbus_polled = 1,
68 .pullup_pin = -EINVAL,
69 };
70
71 static struct macb_platform_data snapper9260_macb_data = {
72 .phy_irq_pin = -EINVAL,
73 .is_rmii = 1,
74 };
75
76 static struct mtd_partition __initdata snapper9260_nand_partitions[] = {
77 {
78 .name = "Preboot",
79 .offset = 0,
80 .size = SZ_128K,
81 },
82 {
83 .name = "Bootloader",
84 .offset = MTDPART_OFS_APPEND,
85 .size = SZ_256K,
86 },
87 {
88 .name = "Environment",
89 .offset = MTDPART_OFS_APPEND,
90 .size = SZ_128K,
91 },
92 {
93 .name = "Kernel",
94 .offset = MTDPART_OFS_APPEND,
95 .size = SZ_4M,
96 },
97 {
98 .name = "Filesystem",
99 .offset = MTDPART_OFS_APPEND,
100 .size = MTDPART_SIZ_FULL,
101 },
102 };
103
104 static struct atmel_nand_data __initdata snapper9260_nand_data = {
105 .ale = 21,
106 .cle = 22,
107 .rdy_pin = AT91_PIN_PC13,
108 .parts = snapper9260_nand_partitions,
109 .num_parts = ARRAY_SIZE(snapper9260_nand_partitions),
110 .bus_width_16 = 0,
111 .enable_pin = -EINVAL,
112 .det_pin = -EINVAL,
113 .ecc_mode = NAND_ECC_SOFT,
114 };
115
116 static struct sam9_smc_config __initdata snapper9260_nand_smc_config = {
117 .ncs_read_setup = 0,
118 .nrd_setup = 0,
119 .ncs_write_setup = 0,
120 .nwe_setup = 0,
121
122 .ncs_read_pulse = 5,
123 .nrd_pulse = 2,
124 .ncs_write_pulse = 5,
125 .nwe_pulse = 2,
126
127 .read_cycle = 7,
128 .write_cycle = 7,
129
130 .mode = (AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
131 AT91_SMC_EXNWMODE_DISABLE),
132 .tdf_cycles = 1,
133 };
134
135 static struct pca953x_platform_data snapper9260_io_expander_data = {
136 .gpio_base = SNAPPER9260_IO_EXP_GPIO(0),
137 };
138
139 static struct i2c_board_info __initdata snapper9260_i2c_devices[] = {
140 {
141 /* IO expander */
142 I2C_BOARD_INFO("max7312", 0x28),
143 .platform_data = &snapper9260_io_expander_data,
144 },
145 {
146 /* Audio codec */
147 I2C_BOARD_INFO("tlv320aic23", 0x1a),
148 },
149 };
150
151 static struct i2c_board_info __initdata snapper9260_i2c_isl1208 = {
152 /* RTC */
153 I2C_BOARD_INFO("isl1208", 0x6f),
154 };
155
snapper9260_add_device_nand(void)156 static void __init snapper9260_add_device_nand(void)
157 {
158 at91_set_A_periph(AT91_PIN_PC14, 0);
159 sam9_smc_configure(0, 3, &snapper9260_nand_smc_config);
160 at91_add_device_nand(&snapper9260_nand_data);
161 }
162
snapper9260_board_init(void)163 static void __init snapper9260_board_init(void)
164 {
165 at91_add_device_i2c(snapper9260_i2c_devices,
166 ARRAY_SIZE(snapper9260_i2c_devices));
167
168 snapper9260_i2c_isl1208.irq = gpio_to_irq(AT91_PIN_PA31);
169 i2c_register_board_info(0, &snapper9260_i2c_isl1208, 1);
170
171 at91_add_device_serial();
172 at91_add_device_usbh(&snapper9260_usbh_data);
173 at91_add_device_udc(&snapper9260_udc_data);
174 at91_add_device_eth(&snapper9260_macb_data);
175 at91_add_device_ssc(AT91SAM9260_ID_SSC, (ATMEL_SSC_TF | ATMEL_SSC_TK |
176 ATMEL_SSC_TD | ATMEL_SSC_RD));
177 snapper9260_add_device_nand();
178 }
179
180 MACHINE_START(SNAPPER_9260, "Bluewater Systems Snapper 9260/9G20 module")
181 .timer = &at91sam926x_timer,
182 .map_io = at91_map_io,
183 .init_early = snapper9260_init_early,
184 .init_irq = at91_init_irq_default,
185 .init_machine = snapper9260_board_init,
186 MACHINE_END
187
188
189