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ca0a789a AV |
1 | /* |
2 | * linux/arch/arm/mach-at91/board-usb-a9260.c | |
3 | * | |
4 | * Copyright (C) 2005 SAN People | |
5 | * Copyright (C) 2006 Atmel | |
6 | * Copyright (C) 2007 Calao-systems | |
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/init.h> | |
25 | #include <linux/mm.h> | |
26 | #include <linux/module.h> | |
27 | #include <linux/platform_device.h> | |
28 | #include <linux/spi/spi.h> | |
29 | #include <linux/gpio_keys.h> | |
30 | #include <linux/input.h> | |
31 | #include <linux/clk.h> | |
32 | ||
ca0a789a AV |
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 | ||
e505240b | 41 | #include <mach/hardware.h> |
a09e64fb RK |
42 | #include <mach/board.h> |
43 | #include <mach/gpio.h> | |
8cdae51a | 44 | #include <mach/at91sam9_smc.h> |
a09e64fb | 45 | #include <mach/at91_shdwc.h> |
ca0a789a | 46 | |
8cdae51a | 47 | #include "sam9_smc.h" |
ca0a789a AV |
48 | #include "generic.h" |
49 | ||
50 | ||
51 | static void __init ek_map_io(void) | |
52 | { | |
53 | /* Initialize processor: 12.000 MHz crystal */ | |
54 | at91sam9260_initialize(12000000); | |
55 | ||
56 | /* DGBU on ttyS0. (Rx & Tx only) */ | |
57 | at91_register_uart(0, 0, 0); | |
58 | ||
59 | /* set serial console to ttyS0 (ie, DBGU) */ | |
60 | at91_set_serial_console(0); | |
61 | } | |
62 | ||
63 | static void __init ek_init_irq(void) | |
64 | { | |
65 | at91sam9260_init_interrupts(NULL); | |
66 | } | |
67 | ||
68 | ||
69 | /* | |
70 | * USB Host port | |
71 | */ | |
72 | static struct at91_usbh_data __initdata ek_usbh_data = { | |
73 | .ports = 2, | |
74 | }; | |
75 | ||
76 | /* | |
77 | * USB Device port | |
78 | */ | |
79 | static struct at91_udc_data __initdata ek_udc_data = { | |
80 | .vbus_pin = AT91_PIN_PC5, | |
81 | .pullup_pin = 0, /* pull-up driven by UDC */ | |
82 | }; | |
83 | ||
84 | /* | |
85 | * MACB Ethernet device | |
86 | */ | |
87 | static struct at91_eth_data __initdata ek_macb_data = { | |
88 | .phy_irq_pin = AT91_PIN_PA31, | |
89 | .is_rmii = 1, | |
90 | }; | |
91 | ||
92 | /* | |
93 | * NAND flash | |
94 | */ | |
95 | static struct mtd_partition __initdata ek_nand_partition[] = { | |
96 | { | |
97 | .name = "Uboot & Kernel", | |
e505240b AV |
98 | .offset = 0, |
99 | .size = SZ_16M, | |
ca0a789a AV |
100 | }, |
101 | { | |
102 | .name = "Root FS", | |
e505240b AV |
103 | .offset = MTDPART_OFS_NXTBLK, |
104 | .size = 120 * SZ_1M, | |
ca0a789a AV |
105 | }, |
106 | { | |
107 | .name = "FS", | |
e505240b AV |
108 | .offset = MTDPART_OFS_NXTBLK, |
109 | .size = 120 * SZ_1M, | |
ca0a789a AV |
110 | } |
111 | }; | |
112 | ||
113 | static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) | |
114 | { | |
115 | *num_partitions = ARRAY_SIZE(ek_nand_partition); | |
116 | return ek_nand_partition; | |
117 | } | |
118 | ||
7c896834 | 119 | static struct atmel_nand_data __initdata ek_nand_data = { |
ca0a789a AV |
120 | .ale = 21, |
121 | .cle = 22, | |
122 | // .det_pin = ... not connected | |
123 | .rdy_pin = AT91_PIN_PC13, | |
124 | .enable_pin = AT91_PIN_PC14, | |
125 | .partition_info = nand_partitions, | |
ca0a789a AV |
126 | }; |
127 | ||
8cdae51a AV |
128 | static struct sam9_smc_config __initdata ek_nand_smc_config = { |
129 | .ncs_read_setup = 0, | |
130 | .nrd_setup = 1, | |
131 | .ncs_write_setup = 0, | |
132 | .nwe_setup = 1, | |
133 | ||
134 | .ncs_read_pulse = 3, | |
135 | .nrd_pulse = 3, | |
136 | .ncs_write_pulse = 3, | |
137 | .nwe_pulse = 3, | |
138 | ||
139 | .read_cycle = 5, | |
140 | .write_cycle = 5, | |
141 | ||
142 | .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8, | |
143 | .tdf_cycles = 2, | |
144 | }; | |
145 | ||
146 | static void __init ek_add_device_nand(void) | |
147 | { | |
148 | /* configure chip-select 3 (NAND) */ | |
149 | sam9_smc_configure(3, &ek_nand_smc_config); | |
150 | ||
151 | at91_add_device_nand(&ek_nand_data); | |
152 | } | |
153 | ||
ca0a789a AV |
154 | /* |
155 | * GPIO Buttons | |
156 | */ | |
157 | ||
158 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) | |
159 | static struct gpio_keys_button ek_buttons[] = { | |
160 | { /* USER PUSH BUTTON */ | |
161 | .code = KEY_ENTER, | |
162 | .gpio = AT91_PIN_PB10, | |
163 | .active_low = 1, | |
164 | .desc = "user_pb", | |
165 | .wakeup = 1, | |
166 | } | |
167 | }; | |
168 | ||
169 | static struct gpio_keys_platform_data ek_button_data = { | |
170 | .buttons = ek_buttons, | |
171 | .nbuttons = ARRAY_SIZE(ek_buttons), | |
172 | }; | |
173 | ||
174 | static struct platform_device ek_button_device = { | |
175 | .name = "gpio-keys", | |
176 | .id = -1, | |
177 | .num_resources = 0, | |
178 | .dev = { | |
179 | .platform_data = &ek_button_data, | |
180 | } | |
181 | }; | |
182 | ||
183 | static void __init ek_add_device_buttons(void) | |
184 | { | |
185 | at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */ | |
186 | at91_set_deglitch(AT91_PIN_PB10, 1); | |
187 | ||
188 | platform_device_register(&ek_button_device); | |
189 | } | |
190 | #else | |
191 | static void __init ek_add_device_buttons(void) {} | |
192 | #endif | |
193 | ||
194 | /* | |
195 | * LEDs | |
196 | */ | |
197 | static struct gpio_led ek_leds[] = { | |
198 | { /* user_led (green) */ | |
199 | .name = "user_led", | |
200 | .gpio = AT91_PIN_PB21, | |
201 | .active_low = 0, | |
202 | .default_trigger = "heartbeat", | |
203 | } | |
204 | }; | |
205 | ||
206 | static void __init ek_board_init(void) | |
207 | { | |
208 | /* Serial */ | |
209 | at91_add_device_serial(); | |
210 | /* USB Host */ | |
211 | at91_add_device_usbh(&ek_usbh_data); | |
212 | /* USB Device */ | |
213 | at91_add_device_udc(&ek_udc_data); | |
214 | /* NAND */ | |
8cdae51a | 215 | ek_add_device_nand(); |
ca0a789a AV |
216 | /* I2C */ |
217 | at91_add_device_i2c(NULL, 0); | |
218 | /* Ethernet */ | |
219 | at91_add_device_eth(&ek_macb_data); | |
220 | /* Push Buttons */ | |
221 | ek_add_device_buttons(); | |
222 | /* LEDs */ | |
223 | at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); | |
224 | /* shutdown controller, wakeup button (5 msec low) */ | |
225 | at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW | |
226 | | AT91_SHDW_RTTWKEN); | |
227 | } | |
228 | ||
229 | MACHINE_START(USB_A9260, "CALAO USB_A9260") | |
230 | /* Maintainer: calao-systems */ | |
231 | .phys_io = AT91_BASE_SYS, | |
232 | .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, | |
233 | .boot_params = AT91_SDRAM_BASE + 0x100, | |
234 | .timer = &at91sam926x_timer, | |
235 | .map_io = ek_map_io, | |
236 | .init_irq = ek_init_irq, | |
237 | .init_machine = ek_board_init, | |
238 | MACHINE_END |