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b85a8914 1/*
d0760b3b 2 * linux/arch/arm/mach-at91/board-sam9260ek.c
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AV
3 *
4 * Copyright (C) 2005 SAN People
5 * Copyright (C) 2006 Atmel
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21
22#include <linux/types.h>
2f8163ba 23#include <linux/gpio.h>
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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>
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29#include <linux/spi/at73c213.h>
30#include <linux/clk.h>
a745a622 31#include <linux/i2c/at24.h>
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32#include <linux/gpio_keys.h>
33#include <linux/input.h>
b85a8914 34
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35#include <asm/setup.h>
36#include <asm/mach-types.h>
37#include <asm/irq.h>
38
39#include <asm/mach/arch.h>
40#include <asm/mach/map.h>
41#include <asm/mach/irq.h>
42
e505240b 43#include <mach/hardware.h>
a09e64fb 44#include <mach/board.h>
3e135466 45#include <mach/at91_aic.h>
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AV
46#include <mach/at91sam9_smc.h>
47#include <mach/at91_shdwc.h>
76b2ab76 48#include <mach/system_rev.h>
b85a8914 49
8cdae51a 50#include "sam9_smc.h"
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51#include "generic.h"
52
53
1b021a3b 54static void __init ek_init_early(void)
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55{
56 /* Initialize processor: 18.432 MHz crystal */
21d08b9d 57 at91_initialize(18432000);
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58}
59
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60/*
61 * USB Host port
62 */
63static struct at91_usbh_data __initdata ek_usbh_data = {
64 .ports = 2,
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JCPV
65 .vbus_pin = {-EINVAL, -EINVAL},
66 .overcurrent_pin= {-EINVAL, -EINVAL},
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67};
68
69/*
70 * USB Device port
71 */
72static struct at91_udc_data __initdata ek_udc_data = {
73 .vbus_pin = AT91_PIN_PC5,
63b4c296 74 .pullup_pin = -EINVAL, /* pull-up driven by UDC */
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AV
75};
76
77
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78/*
79 * Audio
80 */
81static struct at73c213_board_info at73c213_data = {
82 .ssc_id = 0,
83 .shortname = "AT91SAM9260-EK external DAC",
84};
85
86#if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
87static void __init at73c213_set_clk(struct at73c213_board_info *info)
88{
89 struct clk *pck0;
90 struct clk *plla;
91
92 pck0 = clk_get(NULL, "pck0");
93 plla = clk_get(NULL, "plla");
94
95 /* AT73C213 MCK Clock */
96 at91_set_B_periph(AT91_PIN_PC1, 0); /* PCK0 */
97
98 clk_set_parent(pck0, plla);
99 clk_put(plla);
100
101 info->dac_clk = pck0;
102}
103#else
104static void __init at73c213_set_clk(struct at73c213_board_info *info) {}
105#endif
106
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107/*
108 * SPI devices.
109 */
110static struct spi_board_info ek_spi_devices[] = {
4cf3326a 111#if !IS_ENABLED(CONFIG_MMC_ATMELMCI)
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112 { /* DataFlash chip */
113 .modalias = "mtd_dataflash",
114 .chip_select = 1,
115 .max_speed_hz = 15 * 1000 * 1000,
116 .bus_num = 0,
117 },
118#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
119 { /* DataFlash card */
120 .modalias = "mtd_dataflash",
121 .chip_select = 0,
122 .max_speed_hz = 15 * 1000 * 1000,
123 .bus_num = 0,
124 },
125#endif
126#endif
93afa752 127#if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
b85a8914 128 { /* AT73C213 DAC */
93afa752 129 .modalias = "at73c213",
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130 .chip_select = 0,
131 .max_speed_hz = 10 * 1000 * 1000,
132 .bus_num = 1,
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133 .mode = SPI_MODE_1,
134 .platform_data = &at73c213_data,
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135 },
136#endif
137};
138
139
140/*
141 * MACB Ethernet device
142 */
84e0cdb0 143static struct macb_platform_data __initdata ek_macb_data = {
44853a81 144 .phy_irq_pin = AT91_PIN_PA7,
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145 .is_rmii = 1,
146};
147
148
149/*
150 * NAND flash
151 */
152static struct mtd_partition __initdata ek_nand_partition[] = {
153 {
154 .name = "Partition 1",
155 .offset = 0,
e505240b 156 .size = SZ_256K,
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157 },
158 {
159 .name = "Partition 2",
e505240b 160 .offset = MTDPART_OFS_NXTBLK,
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161 .size = MTDPART_SIZ_FULL,
162 },
163};
164
3c3796cc 165static struct atmel_nand_data __initdata ek_nand_data = {
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166 .ale = 21,
167 .cle = 22,
63b4c296 168 .det_pin = -EINVAL,
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169 .rdy_pin = AT91_PIN_PC13,
170 .enable_pin = AT91_PIN_PC14,
bf4289cb 171 .ecc_mode = NAND_ECC_SOFT,
98619dcb 172 .on_flash_bbt = 1,
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DES
173 .parts = ek_nand_partition,
174 .num_parts = ARRAY_SIZE(ek_nand_partition),
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175};
176
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177static struct sam9_smc_config __initdata ek_nand_smc_config = {
178 .ncs_read_setup = 0,
179 .nrd_setup = 1,
180 .ncs_write_setup = 0,
181 .nwe_setup = 1,
182
183 .ncs_read_pulse = 3,
184 .nrd_pulse = 3,
185 .ncs_write_pulse = 3,
186 .nwe_pulse = 3,
187
188 .read_cycle = 5,
189 .write_cycle = 5,
190
191 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
192 .tdf_cycles = 2,
193};
194
195static void __init ek_add_device_nand(void)
196{
64393b3a 197 ek_nand_data.bus_width_16 = board_have_nand_16bit();
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198 /* setup bus-width (8 or 16) */
199 if (ek_nand_data.bus_width_16)
200 ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
201 else
202 ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
203
204 /* configure chip-select 3 (NAND) */
faee0cc3 205 sam9_smc_configure(0, 3, &ek_nand_smc_config);
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206
207 at91_add_device_nand(&ek_nand_data);
208}
209
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210
211/*
212 * MCI (SD/MMC)
213 */
4cf3326a
LD
214static struct mci_platform_data __initdata ek_mci0_data = {
215 .slot[1] = {
216 .bus_width = 4,
217 .detect_pin = -EINVAL,
218 .wp_pin = -EINVAL,
219 },
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220};
221
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222
223/*
224 * LEDs
225 */
226static struct gpio_led ek_leds[] = {
227 { /* "bottom" led, green, userled1 to be defined */
228 .name = "ds5",
229 .gpio = AT91_PIN_PA6,
230 .active_low = 1,
231 .default_trigger = "none",
232 },
233 { /* "power" led, yellow */
234 .name = "ds1",
235 .gpio = AT91_PIN_PA9,
236 .default_trigger = "heartbeat",
237 }
238};
239
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240/*
241 * I2C devices
242 */
243static struct at24_platform_data at24c512 = {
244 .byte_len = SZ_512K / 8,
245 .page_size = 128,
246 .flags = AT24_FLAG_ADDR16,
247};
248
249static struct i2c_board_info __initdata ek_i2c_devices[] = {
250 {
251 I2C_BOARD_INFO("24c512", 0x50),
252 .platform_data = &at24c512,
253 },
254 /* more devices can be added using expansion connectors */
255};
256
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257
258/*
259 * GPIO Buttons
260 */
261#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
262static struct gpio_keys_button ek_buttons[] = {
263 {
264 .gpio = AT91_PIN_PA30,
265 .code = BTN_3,
266 .desc = "Button 3",
267 .active_low = 1,
268 .wakeup = 1,
269 },
270 {
271 .gpio = AT91_PIN_PA31,
272 .code = BTN_4,
273 .desc = "Button 4",
274 .active_low = 1,
275 .wakeup = 1,
276 }
277};
278
279static struct gpio_keys_platform_data ek_button_data = {
280 .buttons = ek_buttons,
281 .nbuttons = ARRAY_SIZE(ek_buttons),
282};
283
284static struct platform_device ek_button_device = {
285 .name = "gpio-keys",
286 .id = -1,
287 .num_resources = 0,
288 .dev = {
289 .platform_data = &ek_button_data,
290 }
291};
292
293static void __init ek_add_device_buttons(void)
294{
295 at91_set_gpio_input(AT91_PIN_PA30, 1); /* btn3 */
296 at91_set_deglitch(AT91_PIN_PA30, 1);
297 at91_set_gpio_input(AT91_PIN_PA31, 1); /* btn4 */
298 at91_set_deglitch(AT91_PIN_PA31, 1);
299
300 platform_device_register(&ek_button_device);
301}
302#else
303static void __init ek_add_device_buttons(void) {}
304#endif
305
306
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307static void __init ek_board_init(void)
308{
309 /* Serial */
71b149b3
JCPV
310 /* DBGU on ttyS0. (Rx & Tx only) */
311 at91_register_uart(0, 0, 0);
312
313 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
314 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
315 | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
316 | ATMEL_UART_RI);
317
318 /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
319 at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
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320 at91_add_device_serial();
321 /* USB Host */
322 at91_add_device_usbh(&ek_usbh_data);
323 /* USB Device */
324 at91_add_device_udc(&ek_udc_data);
325 /* SPI */
326 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
327 /* NAND */
8cdae51a 328 ek_add_device_nand();
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329 /* Ethernet */
330 at91_add_device_eth(&ek_macb_data);
331 /* MMC */
4cf3326a 332 at91_add_device_mci(0, &ek_mci0_data);
93afa752 333 /* I2C */
a745a622 334 at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
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335 /* SSC (to AT73C213) */
336 at73c213_set_clk(&at73c213_data);
337 at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
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338 /* LEDs */
339 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
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340 /* Push Buttons */
341 ek_add_device_buttons();
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342}
343
344MACHINE_START(AT91SAM9260EK, "Atmel AT91SAM9260-EK")
345 /* Maintainer: Atmel */
b85a8914 346 .timer = &at91sam926x_timer,
21d08b9d 347 .map_io = at91_map_io,
3e135466 348 .handle_irq = at91_aic_handle_irq,
1b021a3b 349 .init_early = ek_init_early,
92100c12 350 .init_irq = at91_init_irq_default,
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351 .init_machine = ek_board_init,
352MACHINE_END