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064baaca RM |
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 <ryan@bluewatersys.com> | |
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 | ||
1b021a3b | 43 | static void __init snapper9260_init_early(void) |
064baaca | 44 | { |
21d08b9d | 45 | at91_initialize(18432000); |
064baaca RM |
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 | ||
064baaca RM |
58 | static struct at91_usbh_data __initdata snapper9260_usbh_data = { |
59 | .ports = 2, | |
60 | }; | |
61 | ||
62 | static 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 | ||
68 | static struct at91_eth_data snapper9260_macb_data = { | |
69 | .is_rmii = 1, | |
70 | }; | |
71 | ||
72 | static 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 | ||
100 | static struct mtd_partition * __init | |
101 | snapper9260_nand_partition_info(int size, int *num_partitions) | |
102 | { | |
103 | *num_partitions = ARRAY_SIZE(snapper9260_nand_partitions); | |
104 | return snapper9260_nand_partitions; | |
105 | } | |
106 | ||
107 | static 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 | ||
115 | static 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 | ||
134 | static struct pca953x_platform_data snapper9260_io_expander_data = { | |
135 | .gpio_base = SNAPPER9260_IO_EXP_GPIO(0), | |
136 | }; | |
137 | ||
138 | static 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), | |
d081377d | 151 | .irq = gpio_to_irq(AT91_PIN_PA31), |
064baaca RM |
152 | }, |
153 | }; | |
154 | ||
155 | static 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 | ||
162 | static 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 | ||
175 | MACHINE_START(SNAPPER_9260, "Bluewater Systems Snapper 9260/9G20 module") | |
064baaca | 176 | .timer = &at91sam926x_timer, |
21d08b9d | 177 | .map_io = at91_map_io, |
1b021a3b | 178 | .init_early = snapper9260_init_early, |
92100c12 | 179 | .init_irq = at91_init_irq_default, |
064baaca RM |
180 | .init_machine = snapper9260_board_init, |
181 | MACHINE_END | |
182 | ||
183 |