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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 | ||
43 | static void __init snapper9260_map_io(void) | |
44 | { | |
45 | at91sam9260_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 void __init snapper9260_init_irq(void) | |
59 | { | |
60 | at91sam9260_init_interrupts(NULL); | |
61 | } | |
62 | ||
63 | static struct at91_usbh_data __initdata snapper9260_usbh_data = { | |
64 | .ports = 2, | |
65 | }; | |
66 | ||
67 | static struct at91_udc_data __initdata snapper9260_udc_data = { | |
68 | .vbus_pin = SNAPPER9260_IO_EXP_GPIO(5), | |
69 | .vbus_active_low = 1, | |
70 | .vbus_polled = 1, | |
71 | }; | |
72 | ||
73 | static struct at91_eth_data snapper9260_macb_data = { | |
74 | .is_rmii = 1, | |
75 | }; | |
76 | ||
77 | static struct mtd_partition __initdata snapper9260_nand_partitions[] = { | |
78 | { | |
79 | .name = "Preboot", | |
80 | .offset = 0, | |
81 | .size = SZ_128K, | |
82 | }, | |
83 | { | |
84 | .name = "Bootloader", | |
85 | .offset = MTDPART_OFS_APPEND, | |
86 | .size = SZ_256K, | |
87 | }, | |
88 | { | |
89 | .name = "Environment", | |
90 | .offset = MTDPART_OFS_APPEND, | |
91 | .size = SZ_128K, | |
92 | }, | |
93 | { | |
94 | .name = "Kernel", | |
95 | .offset = MTDPART_OFS_APPEND, | |
96 | .size = SZ_4M, | |
97 | }, | |
98 | { | |
99 | .name = "Filesystem", | |
100 | .offset = MTDPART_OFS_APPEND, | |
101 | .size = MTDPART_SIZ_FULL, | |
102 | }, | |
103 | }; | |
104 | ||
105 | static struct mtd_partition * __init | |
106 | snapper9260_nand_partition_info(int size, int *num_partitions) | |
107 | { | |
108 | *num_partitions = ARRAY_SIZE(snapper9260_nand_partitions); | |
109 | return snapper9260_nand_partitions; | |
110 | } | |
111 | ||
112 | static struct atmel_nand_data __initdata snapper9260_nand_data = { | |
113 | .ale = 21, | |
114 | .cle = 22, | |
115 | .rdy_pin = AT91_PIN_PC13, | |
116 | .partition_info = snapper9260_nand_partition_info, | |
117 | .bus_width_16 = 0, | |
118 | }; | |
119 | ||
120 | static struct sam9_smc_config __initdata snapper9260_nand_smc_config = { | |
121 | .ncs_read_setup = 0, | |
122 | .nrd_setup = 0, | |
123 | .ncs_write_setup = 0, | |
124 | .nwe_setup = 0, | |
125 | ||
126 | .ncs_read_pulse = 5, | |
127 | .nrd_pulse = 2, | |
128 | .ncs_write_pulse = 5, | |
129 | .nwe_pulse = 2, | |
130 | ||
131 | .read_cycle = 7, | |
132 | .write_cycle = 7, | |
133 | ||
134 | .mode = (AT91_SMC_READMODE | AT91_SMC_WRITEMODE | | |
135 | AT91_SMC_EXNWMODE_DISABLE), | |
136 | .tdf_cycles = 1, | |
137 | }; | |
138 | ||
139 | static struct pca953x_platform_data snapper9260_io_expander_data = { | |
140 | .gpio_base = SNAPPER9260_IO_EXP_GPIO(0), | |
141 | }; | |
142 | ||
143 | static struct i2c_board_info __initdata snapper9260_i2c_devices[] = { | |
144 | { | |
145 | /* IO expander */ | |
146 | I2C_BOARD_INFO("max7312", 0x28), | |
147 | .platform_data = &snapper9260_io_expander_data, | |
148 | }, | |
149 | { | |
150 | /* Audio codec */ | |
151 | I2C_BOARD_INFO("tlv320aic23", 0x1a), | |
152 | }, | |
153 | { | |
154 | /* RTC */ | |
155 | I2C_BOARD_INFO("isl1208", 0x6f), | |
156 | }, | |
157 | }; | |
158 | ||
159 | static void __init snapper9260_add_device_nand(void) | |
160 | { | |
161 | at91_set_A_periph(AT91_PIN_PC14, 0); | |
162 | sam9_smc_configure(3, &snapper9260_nand_smc_config); | |
163 | at91_add_device_nand(&snapper9260_nand_data); | |
164 | } | |
165 | ||
166 | static void __init snapper9260_board_init(void) | |
167 | { | |
168 | at91_add_device_i2c(snapper9260_i2c_devices, | |
169 | ARRAY_SIZE(snapper9260_i2c_devices)); | |
170 | at91_add_device_serial(); | |
171 | at91_add_device_usbh(&snapper9260_usbh_data); | |
172 | at91_add_device_udc(&snapper9260_udc_data); | |
173 | at91_add_device_eth(&snapper9260_macb_data); | |
174 | at91_add_device_ssc(AT91SAM9260_ID_SSC, (ATMEL_SSC_TF | ATMEL_SSC_TK | | |
175 | ATMEL_SSC_TD | ATMEL_SSC_RD)); | |
176 | snapper9260_add_device_nand(); | |
177 | } | |
178 | ||
179 | MACHINE_START(SNAPPER_9260, "Bluewater Systems Snapper 9260/9G20 module") | |
064baaca RM |
180 | .boot_params = AT91_SDRAM_BASE + 0x100, |
181 | .timer = &at91sam926x_timer, | |
182 | .map_io = snapper9260_map_io, | |
183 | .init_irq = snapper9260_init_irq, | |
184 | .init_machine = snapper9260_board_init, | |
185 | MACHINE_END | |
186 | ||
187 |