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/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
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
41 #include <mach/hardware.h>
42 #include <mach/board.h>
43 #include <mach/gpio.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
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 /* 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 static void __init ek_init_irq(void)
76 {
77 at91sam9260_init_interrupts(NULL);
78 }
79
80
81 /*
82 * USB Host port
83 */
84 static struct at91_usbh_data __initdata ek_usbh_data = {
85 .ports = 2,
86 };
87
88 /*
89 * USB Device port
90 */
91 static struct at91_udc_data __initdata ek_udc_data = {
92 .vbus_pin = AT91_PIN_PC5,
93 .pullup_pin = 0, /* pull-up driven by UDC */
94 };
95
96 /*
97 * SPI devices.
98 */
99 static struct spi_board_info ek_spi_devices[] = {
100 #if defined(CONFIG_RTC_DRV_M41T94)
101 { /* M41T94 RTC */
102 .modalias = "m41t94",
103 .chip_select = 0,
104 .max_speed_hz = 1 * 1000 * 1000,
105 .bus_num = 0,
106 }
107 #endif
108 };
109
110 /*
111 * MACB Ethernet device
112 */
113 static struct at91_eth_data __initdata ek_macb_data = {
114 .phy_irq_pin = AT91_PIN_PA31,
115 .is_rmii = 1,
116 };
117
118 /*
119 * NAND flash
120 */
121 static struct mtd_partition __initdata ek_nand_partition[] = {
122 {
123 .name = "Uboot & Kernel",
124 .offset = 0,
125 .size = SZ_16M,
126 },
127 {
128 .name = "Root FS",
129 .offset = MTDPART_OFS_NXTBLK,
130 .size = 120 * SZ_1M,
131 },
132 {
133 .name = "FS",
134 .offset = MTDPART_OFS_NXTBLK,
135 .size = 120 * SZ_1M,
136 },
137 };
138
139 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
140 {
141 *num_partitions = ARRAY_SIZE(ek_nand_partition);
142 return ek_nand_partition;
143 }
144
145 static struct atmel_nand_data __initdata ek_nand_data = {
146 .ale = 21,
147 .cle = 22,
148 // .det_pin = ... not connected
149 .rdy_pin = AT91_PIN_PC13,
150 .enable_pin = AT91_PIN_PC14,
151 .partition_info = nand_partitions,
152 };
153
154 static struct sam9_smc_config __initdata ek_nand_smc_config = {
155 .ncs_read_setup = 0,
156 .nrd_setup = 1,
157 .ncs_write_setup = 0,
158 .nwe_setup = 1,
159
160 .ncs_read_pulse = 3,
161 .nrd_pulse = 3,
162 .ncs_write_pulse = 3,
163 .nwe_pulse = 3,
164
165 .read_cycle = 5,
166 .write_cycle = 5,
167
168 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
169 .tdf_cycles = 2,
170 };
171
172 static void __init ek_add_device_nand(void)
173 {
174 /* configure chip-select 3 (NAND) */
175 sam9_smc_configure(3, &ek_nand_smc_config);
176
177 at91_add_device_nand(&ek_nand_data);
178 }
179
180 /*
181 * MCI (SD/MMC)
182 */
183 static struct at91_mmc_data __initdata ek_mmc_data = {
184 .slot_b = 0,
185 .wire4 = 1,
186 // .det_pin = ... not connected
187 // .wp_pin = ... not connected
188 // .vcc_pin = ... not connected
189 };
190
191 /*
192 * GPIO Buttons
193 */
194 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
195 static struct gpio_keys_button ek_buttons[] = {
196 { /* USER PUSH BUTTON */
197 .code = KEY_ENTER,
198 .gpio = AT91_PIN_PB10,
199 .active_low = 1,
200 .desc = "user_pb",
201 .wakeup = 1,
202 }
203 };
204
205 static struct gpio_keys_platform_data ek_button_data = {
206 .buttons = ek_buttons,
207 .nbuttons = ARRAY_SIZE(ek_buttons),
208 };
209
210 static struct platform_device ek_button_device = {
211 .name = "gpio-keys",
212 .id = -1,
213 .num_resources = 0,
214 .dev = {
215 .platform_data = &ek_button_data,
216 }
217 };
218
219 static void __init ek_add_device_buttons(void)
220 {
221 at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* user push button, pull up enabled */
222 at91_set_deglitch(AT91_PIN_PB10, 1);
223
224 platform_device_register(&ek_button_device);
225 }
226 #else
227 static void __init ek_add_device_buttons(void) {}
228 #endif
229
230 /*
231 * LEDs
232 */
233 static struct gpio_led ek_leds[] = {
234 { /* user_led (green) */
235 .name = "user_led",
236 .gpio = AT91_PIN_PB21,
237 .active_low = 0,
238 .default_trigger = "heartbeat",
239 }
240 };
241
242 static void __init ek_board_init(void)
243 {
244 /* Serial */
245 at91_add_device_serial();
246 /* USB Host */
247 at91_add_device_usbh(&ek_usbh_data);
248 /* USB Device */
249 at91_add_device_udc(&ek_udc_data);
250 /* SPI */
251 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
252 /* NAND */
253 ek_add_device_nand();
254 /* I2C */
255 at91_add_device_i2c(NULL, 0);
256 /* Ethernet */
257 at91_add_device_eth(&ek_macb_data);
258 /* MMC */
259 at91_add_device_mmc(0, &ek_mmc_data);
260 /* Push Buttons */
261 ek_add_device_buttons();
262 /* LEDs */
263 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
264 /* shutdown controller, wakeup button (5 msec low) */
265 at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW
266 | AT91_SHDW_RTTWKEN);
267 }
268
269 MACHINE_START(QIL_A9260, "CALAO QIL_A9260")
270 /* Maintainer: calao-systems */
271 .phys_io = AT91_BASE_SYS,
272 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
273 .boot_params = AT91_SDRAM_BASE + 0x100,
274 .timer = &at91sam926x_timer,
275 .map_io = ek_map_io,
276 .init_irq = ek_init_irq,
277 .init_machine = ek_board_init,
278 MACHINE_END
279
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