1 /*
2 * linux/arch/arm/mach-at91/board-qil-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/gpio.h>
25 #include <linux/init.h>
26 #include <linux/mm.h>
27 #include <linux/module.h>
28 #include <linux/platform_device.h>
29 #include <linux/spi/spi.h>
30 #include <linux/gpio_keys.h>
31 #include <linux/input.h>
32 #include <linux/clk.h>
33
34 #include <asm/setup.h>
35 #include <asm/mach-types.h>
36 #include <asm/irq.h>
37
38 #include <asm/mach/arch.h>
39 #include <asm/mach/map.h>
40 #include <asm/mach/irq.h>
41
42 #include <mach/hardware.h>
43 #include <mach/board.h>
44 #include <mach/at91sam9_smc.h>
45 #include <mach/at91_shdwc.h>
46
47 #include "sam9_smc.h"
48 #include "generic.h"
49
50
ek_init_early(void)51 static void __init ek_init_early(void)
52 {
53 /* Initialize processor: 12.000 MHz crystal */
54 at91_initialize(12000000);
55
56 /* DBGU on ttyS0. (Rx & Tx only) */
57 at91_register_uart(0, 0, 0);
58
59 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
60 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
61 | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
62 | ATMEL_UART_RI);
63
64 /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
65 at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
66
67 /* USART2 on ttyS3. (Rx, Tx, CTS, RTS) */
68 at91_register_uart(AT91SAM9260_ID_US2, 3, ATMEL_UART_CTS | ATMEL_UART_RTS);
69
70 /* set serial console to ttyS1 (ie, USART0) */
71 at91_set_serial_console(1);
72
73 }
74
75 /*
76 * USB Host port
77 */
78 static struct at91_usbh_data __initdata ek_usbh_data = {
79 .ports = 2,
80 .vbus_pin = {-EINVAL, -EINVAL},
81 .overcurrent_pin= {-EINVAL, -EINVAL},
82 };
83
84 /*
85 * USB Device port
86 */
87 static struct at91_udc_data __initdata ek_udc_data = {
88 .vbus_pin = AT91_PIN_PC5,
89 .pullup_pin = -EINVAL, /* pull-up driven by UDC */
90 };
91
92 /*
93 * SPI devices.
94 */
95 static struct spi_board_info ek_spi_devices[] = {
96 #if defined(CONFIG_RTC_DRV_M41T94)
97 { /* M41T94 RTC */
98 .modalias = "m41t94",
99 .chip_select = 0,
100 .max_speed_hz = 1 * 1000 * 1000,
101 .bus_num = 0,
102 }
103 #endif
104 };
105
106 /*
107 * MACB Ethernet device
108 */
109 static struct macb_platform_data __initdata ek_macb_data = {
110 .phy_irq_pin = AT91_PIN_PA31,
111 .is_rmii = 1,
112 };
113
114 /*
115 * NAND flash
116 */
117 static struct mtd_partition __initdata ek_nand_partition[] = {
118 {
119 .name = "Uboot & Kernel",
120 .offset = 0,
121 .size = SZ_16M,
122 },
123 {
124 .name = "Root FS",
125 .offset = MTDPART_OFS_NXTBLK,
126 .size = 120 * SZ_1M,
127 },
128 {
129 .name = "FS",
130 .offset = MTDPART_OFS_NXTBLK,
131 .size = 120 * SZ_1M,
132 },
133 };
134
135 static struct atmel_nand_data __initdata ek_nand_data = {
136 .ale = 21,
137 .cle = 22,
138 .det_pin = -EINVAL,
139 .rdy_pin = AT91_PIN_PC13,
140 .enable_pin = AT91_PIN_PC14,
141 .parts = ek_nand_partition,
142 .num_parts = ARRAY_SIZE(ek_nand_partition),
143 };
144
145 static struct sam9_smc_config __initdata ek_nand_smc_config = {
146 .ncs_read_setup = 0,
147 .nrd_setup = 1,
148 .ncs_write_setup = 0,
149 .nwe_setup = 1,
150
151 .ncs_read_pulse = 3,
152 .nrd_pulse = 3,
153 .ncs_write_pulse = 3,
154 .nwe_pulse = 3,
155
156 .read_cycle = 5,
157 .write_cycle = 5,
158
159 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
160 .tdf_cycles = 2,
161 };
162
ek_add_device_nand(void)163 static void __init ek_add_device_nand(void)
164 {
165 /* configure chip-select 3 (NAND) */
166 sam9_smc_configure(0, 3, &ek_nand_smc_config);
167
168 at91_add_device_nand(&ek_nand_data);
169 }
170
171 /*
172 * MCI (SD/MMC)
173 */
174 static struct at91_mmc_data __initdata ek_mmc_data = {
175 .slot_b = 0,
176 .wire4 = 1,
177 .det_pin = -EINVAL,
178 .wp_pin = -EINVAL,
179 .vcc_pin = -EINVAL,
180 };
181
182 /*
183 * GPIO Buttons
184 */
185 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
186 static struct gpio_keys_button ek_buttons[] = {
187 { /* USER PUSH BUTTON */
188 .code = KEY_ENTER,
189 .gpio = AT91_PIN_PB10,
190 .active_low = 1,
191 .desc = "user_pb",
192 .wakeup = 1,
193 }
194 };
195
196 static struct gpio_keys_platform_data ek_button_data = {
197 .buttons = ek_buttons,
198 .nbuttons = ARRAY_SIZE(ek_buttons),
199 };
200
201 static struct platform_device ek_button_device = {
202 .name = "gpio-keys",
203 .id = -1,
204 .num_resources = 0,
205 .dev = {
206 .platform_data = &ek_button_data,
207 }
208 };
209
ek_add_device_buttons(void)210 static void __init ek_add_device_buttons(void)
211 {
212 at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */
213 at91_set_deglitch(AT91_PIN_PB10, 1);
214
215 platform_device_register(&ek_button_device);
216 }
217 #else
ek_add_device_buttons(void)218 static void __init ek_add_device_buttons(void) {}
219 #endif
220
221 /*
222 * LEDs
223 */
224 static struct gpio_led ek_leds[] = {
225 { /* user_led (green) */
226 .name = "user_led",
227 .gpio = AT91_PIN_PB21,
228 .active_low = 0,
229 .default_trigger = "heartbeat",
230 }
231 };
232
ek_board_init(void)233 static void __init ek_board_init(void)
234 {
235 /* Serial */
236 at91_add_device_serial();
237 /* USB Host */
238 at91_add_device_usbh(&ek_usbh_data);
239 /* USB Device */
240 at91_add_device_udc(&ek_udc_data);
241 /* SPI */
242 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
243 /* NAND */
244 ek_add_device_nand();
245 /* I2C */
246 at91_add_device_i2c(NULL, 0);
247 /* Ethernet */
248 at91_add_device_eth(&ek_macb_data);
249 /* MMC */
250 at91_add_device_mmc(0, &ek_mmc_data);
251 /* Push Buttons */
252 ek_add_device_buttons();
253 /* LEDs */
254 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
255 /* shutdown controller, wakeup button (5 msec low) */
256 at91_shdwc_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW
257 | AT91_SHDW_RTTWKEN);
258 }
259
260 MACHINE_START(QIL_A9260, "CALAO QIL_A9260")
261 /* Maintainer: calao-systems */
262 .timer = &at91sam926x_timer,
263 .map_io = at91_map_io,
264 .init_early = ek_init_early,
265 .init_irq = at91_init_irq_default,
266 .init_machine = ek_board_init,
267 MACHINE_END
268