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61352667 | 1 | /* |
2 | * Copyright (C) 2005 SAN People | |
3 | * Copyright (C) 2008 Atmel | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
18 | */ | |
19 | ||
20 | #include <linux/types.h> | |
21 | #include <linux/init.h> | |
22 | #include <linux/mm.h> | |
23 | #include <linux/module.h> | |
24 | #include <linux/platform_device.h> | |
25 | #include <linux/spi/spi.h> | |
26 | #include <linux/spi/at73c213.h> | |
59c5fe6d NF |
27 | #include <linux/gpio_keys.h> |
28 | #include <linux/input.h> | |
61352667 | 29 | #include <linux/clk.h> |
30 | ||
a09e64fb | 31 | #include <mach/hardware.h> |
61352667 | 32 | #include <asm/setup.h> |
33 | #include <asm/mach-types.h> | |
34 | #include <asm/irq.h> | |
35 | ||
36 | #include <asm/mach/arch.h> | |
37 | #include <asm/mach/map.h> | |
38 | #include <asm/mach/irq.h> | |
39 | ||
a09e64fb RK |
40 | #include <mach/board.h> |
41 | #include <mach/gpio.h> | |
8cdae51a | 42 | #include <mach/at91sam9_smc.h> |
61352667 | 43 | |
8cdae51a | 44 | #include "sam9_smc.h" |
61352667 | 45 | #include "generic.h" |
46 | ||
47 | ||
48 | static void __init ek_map_io(void) | |
49 | { | |
50 | /* Initialize processor: 18.432 MHz crystal */ | |
51 | at91sam9260_initialize(18432000); | |
52 | ||
4f37940d | 53 | /* DBGU on ttyS0. (Rx & Tx only) */ |
61352667 | 54 | at91_register_uart(0, 0, 0); |
55 | ||
56 | /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ | |
57 | at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS | |
58 | | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD | |
59 | | ATMEL_UART_RI); | |
60 | ||
61 | /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */ | |
62 | at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS); | |
63 | ||
64 | /* set serial console to ttyS0 (ie, DBGU) */ | |
65 | at91_set_serial_console(0); | |
66 | } | |
67 | ||
68 | static void __init ek_init_irq(void) | |
69 | { | |
70 | at91sam9260_init_interrupts(NULL); | |
71 | } | |
72 | ||
73 | ||
74 | /* | |
75 | * USB Host port | |
76 | */ | |
77 | static struct at91_usbh_data __initdata ek_usbh_data = { | |
78 | .ports = 2, | |
79 | }; | |
80 | ||
81 | /* | |
82 | * USB Device port | |
83 | */ | |
84 | static struct at91_udc_data __initdata ek_udc_data = { | |
85 | .vbus_pin = AT91_PIN_PC5, | |
86 | .pullup_pin = 0, /* pull-up driven by UDC */ | |
87 | }; | |
88 | ||
89 | ||
90 | /* | |
91 | * SPI devices. | |
92 | */ | |
93 | static struct spi_board_info ek_spi_devices[] = { | |
94 | #if !defined(CONFIG_MMC_AT91) | |
95 | { /* DataFlash chip */ | |
96 | .modalias = "mtd_dataflash", | |
97 | .chip_select = 1, | |
98 | .max_speed_hz = 15 * 1000 * 1000, | |
99 | .bus_num = 0, | |
100 | }, | |
101 | #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD) | |
102 | { /* DataFlash card */ | |
103 | .modalias = "mtd_dataflash", | |
104 | .chip_select = 0, | |
105 | .max_speed_hz = 15 * 1000 * 1000, | |
106 | .bus_num = 0, | |
107 | }, | |
108 | #endif | |
109 | #endif | |
110 | }; | |
111 | ||
112 | ||
113 | /* | |
114 | * MACB Ethernet device | |
115 | */ | |
116 | static struct at91_eth_data __initdata ek_macb_data = { | |
117 | .phy_irq_pin = AT91_PIN_PA7, | |
118 | .is_rmii = 1, | |
119 | }; | |
120 | ||
121 | ||
122 | /* | |
123 | * NAND flash | |
124 | */ | |
125 | static struct mtd_partition __initdata ek_nand_partition[] = { | |
126 | { | |
127 | .name = "Bootstrap", | |
128 | .offset = 0, | |
e505240b | 129 | .size = 4 * SZ_1M, |
61352667 | 130 | }, |
131 | { | |
132 | .name = "Partition 1", | |
e505240b AV |
133 | .offset = MTDPART_OFS_NXTBLK, |
134 | .size = 60 * SZ_1M, | |
61352667 | 135 | }, |
136 | { | |
137 | .name = "Partition 2", | |
e505240b | 138 | .offset = MTDPART_OFS_NXTBLK, |
61352667 | 139 | .size = MTDPART_SIZ_FULL, |
140 | }, | |
141 | }; | |
142 | ||
143 | static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) | |
144 | { | |
145 | *num_partitions = ARRAY_SIZE(ek_nand_partition); | |
146 | return ek_nand_partition; | |
147 | } | |
148 | ||
149 | /* det_pin is not connected */ | |
7c896834 | 150 | static struct atmel_nand_data __initdata ek_nand_data = { |
61352667 | 151 | .ale = 21, |
152 | .cle = 22, | |
153 | .rdy_pin = AT91_PIN_PC13, | |
154 | .enable_pin = AT91_PIN_PC14, | |
155 | .partition_info = nand_partitions, | |
f6ed6f78 | 156 | #if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16) |
61352667 | 157 | .bus_width_16 = 1, |
158 | #else | |
159 | .bus_width_16 = 0, | |
160 | #endif | |
161 | }; | |
162 | ||
8cdae51a AV |
163 | static struct sam9_smc_config __initdata ek_nand_smc_config = { |
164 | .ncs_read_setup = 0, | |
165 | .nrd_setup = 2, | |
166 | .ncs_write_setup = 0, | |
167 | .nwe_setup = 2, | |
168 | ||
169 | .ncs_read_pulse = 4, | |
170 | .nrd_pulse = 4, | |
171 | .ncs_write_pulse = 4, | |
172 | .nwe_pulse = 4, | |
173 | ||
174 | .read_cycle = 7, | |
175 | .write_cycle = 7, | |
176 | ||
177 | .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE, | |
178 | .tdf_cycles = 3, | |
179 | }; | |
180 | ||
181 | static void __init ek_add_device_nand(void) | |
182 | { | |
183 | /* setup bus-width (8 or 16) */ | |
184 | if (ek_nand_data.bus_width_16) | |
185 | ek_nand_smc_config.mode |= AT91_SMC_DBW_16; | |
186 | else | |
187 | ek_nand_smc_config.mode |= AT91_SMC_DBW_8; | |
188 | ||
189 | /* configure chip-select 3 (NAND) */ | |
190 | sam9_smc_configure(3, &ek_nand_smc_config); | |
191 | ||
192 | at91_add_device_nand(&ek_nand_data); | |
193 | } | |
194 | ||
61352667 | 195 | |
196 | /* | |
197 | * MCI (SD/MMC) | |
198 | * det_pin, wp_pin and vcc_pin are not connected | |
199 | */ | |
200 | static struct at91_mmc_data __initdata ek_mmc_data = { | |
201 | .slot_b = 1, | |
202 | .wire4 = 1, | |
203 | }; | |
204 | ||
205 | ||
206 | /* | |
207 | * LEDs | |
208 | */ | |
209 | static struct gpio_led ek_leds[] = { | |
210 | { /* "bottom" led, green, userled1 to be defined */ | |
211 | .name = "ds5", | |
212 | .gpio = AT91_PIN_PA6, | |
213 | .active_low = 1, | |
214 | .default_trigger = "none", | |
215 | }, | |
216 | { /* "power" led, yellow */ | |
217 | .name = "ds1", | |
218 | .gpio = AT91_PIN_PA9, | |
219 | .default_trigger = "heartbeat", | |
220 | } | |
221 | }; | |
222 | ||
59c5fe6d NF |
223 | |
224 | /* | |
225 | * GPIO Buttons | |
226 | */ | |
227 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) | |
228 | static struct gpio_keys_button ek_buttons[] = { | |
229 | { | |
230 | .gpio = AT91_PIN_PA30, | |
231 | .code = BTN_3, | |
232 | .desc = "Button 3", | |
233 | .active_low = 1, | |
234 | .wakeup = 1, | |
235 | }, | |
236 | { | |
237 | .gpio = AT91_PIN_PA31, | |
238 | .code = BTN_4, | |
239 | .desc = "Button 4", | |
240 | .active_low = 1, | |
241 | .wakeup = 1, | |
242 | } | |
243 | }; | |
244 | ||
245 | static struct gpio_keys_platform_data ek_button_data = { | |
246 | .buttons = ek_buttons, | |
247 | .nbuttons = ARRAY_SIZE(ek_buttons), | |
248 | }; | |
249 | ||
250 | static struct platform_device ek_button_device = { | |
251 | .name = "gpio-keys", | |
252 | .id = -1, | |
253 | .num_resources = 0, | |
254 | .dev = { | |
255 | .platform_data = &ek_button_data, | |
256 | } | |
257 | }; | |
258 | ||
259 | static void __init ek_add_device_buttons(void) | |
260 | { | |
261 | at91_set_gpio_input(AT91_PIN_PA30, 1); /* btn3 */ | |
262 | at91_set_deglitch(AT91_PIN_PA30, 1); | |
263 | at91_set_gpio_input(AT91_PIN_PA31, 1); /* btn4 */ | |
264 | at91_set_deglitch(AT91_PIN_PA31, 1); | |
265 | ||
266 | platform_device_register(&ek_button_device); | |
267 | } | |
268 | #else | |
269 | static void __init ek_add_device_buttons(void) {} | |
270 | #endif | |
271 | ||
272 | ||
6953e47e | 273 | static struct i2c_board_info __initdata ek_i2c_devices[] = { |
438ff39d RA |
274 | { |
275 | I2C_BOARD_INFO("24c512", 0x50) | |
276 | }, | |
277 | { | |
278 | I2C_BOARD_INFO("wm8731", 0x1b) | |
279 | }, | |
6953e47e DES |
280 | }; |
281 | ||
282 | ||
61352667 | 283 | static void __init ek_board_init(void) |
284 | { | |
285 | /* Serial */ | |
286 | at91_add_device_serial(); | |
287 | /* USB Host */ | |
288 | at91_add_device_usbh(&ek_usbh_data); | |
289 | /* USB Device */ | |
290 | at91_add_device_udc(&ek_udc_data); | |
291 | /* SPI */ | |
292 | at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); | |
293 | /* NAND */ | |
8cdae51a | 294 | ek_add_device_nand(); |
61352667 | 295 | /* Ethernet */ |
296 | at91_add_device_eth(&ek_macb_data); | |
297 | /* MMC */ | |
298 | at91_add_device_mmc(0, &ek_mmc_data); | |
299 | /* I2C */ | |
6953e47e | 300 | at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices)); |
61352667 | 301 | /* LEDs */ |
302 | at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); | |
59c5fe6d NF |
303 | /* Push Buttons */ |
304 | ek_add_device_buttons(); | |
423145a5 MB |
305 | /* PCK0 provides MCLK to the WM8731 */ |
306 | at91_set_B_periph(AT91_PIN_PC1, 0); | |
307 | /* SSC (for WM8731) */ | |
308 | at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX); | |
61352667 | 309 | } |
310 | ||
311 | MACHINE_START(AT91SAM9G20EK, "Atmel AT91SAM9G20-EK") | |
312 | /* Maintainer: Atmel */ | |
313 | .phys_io = AT91_BASE_SYS, | |
314 | .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, | |
315 | .boot_params = AT91_SDRAM_BASE + 0x100, | |
316 | .timer = &at91sam926x_timer, | |
317 | .map_io = ek_map_io, | |
318 | .init_irq = ek_init_irq, | |
319 | .init_machine = ek_board_init, | |
320 | MACHINE_END |