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b85a8914 | 1 | /* |
d0760b3b | 2 | * linux/arch/arm/mach-at91/board-sam9260ek.c |
b85a8914 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> | |
23 | #include <linux/init.h> | |
24 | #include <linux/mm.h> | |
25 | #include <linux/module.h> | |
26 | #include <linux/platform_device.h> | |
27 | #include <linux/spi/spi.h> | |
5e9df924 AV |
28 | #include <linux/spi/at73c213.h> |
29 | #include <linux/clk.h> | |
b85a8914 | 30 | |
a09e64fb | 31 | #include <mach/hardware.h> |
b85a8914 AV |
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> | |
b85a8914 AV |
42 | |
43 | #include "generic.h" | |
44 | ||
45 | ||
b85a8914 AV |
46 | static void __init ek_map_io(void) |
47 | { | |
48 | /* Initialize processor: 18.432 MHz crystal */ | |
49 | at91sam9260_initialize(18432000); | |
50 | ||
a3da1222 AV |
51 | /* DGBU on ttyS0. (Rx & Tx only) */ |
52 | at91_register_uart(0, 0, 0); | |
53 | ||
54 | /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ | |
55 | at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS | |
56 | | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD | |
57 | | ATMEL_UART_RI); | |
58 | ||
59 | /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */ | |
60 | at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS); | |
61 | ||
62 | /* set serial console to ttyS0 (ie, DBGU) */ | |
63 | at91_set_serial_console(0); | |
b85a8914 AV |
64 | } |
65 | ||
66 | static void __init ek_init_irq(void) | |
67 | { | |
68 | at91sam9260_init_interrupts(NULL); | |
69 | } | |
70 | ||
71 | ||
72 | /* | |
73 | * USB Host port | |
74 | */ | |
75 | static struct at91_usbh_data __initdata ek_usbh_data = { | |
76 | .ports = 2, | |
77 | }; | |
78 | ||
79 | /* | |
80 | * USB Device port | |
81 | */ | |
82 | static struct at91_udc_data __initdata ek_udc_data = { | |
83 | .vbus_pin = AT91_PIN_PC5, | |
84 | .pullup_pin = 0, /* pull-up driven by UDC */ | |
85 | }; | |
86 | ||
87 | ||
5e9df924 AV |
88 | /* |
89 | * Audio | |
90 | */ | |
91 | static struct at73c213_board_info at73c213_data = { | |
92 | .ssc_id = 0, | |
93 | .shortname = "AT91SAM9260-EK external DAC", | |
94 | }; | |
95 | ||
96 | #if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE) | |
97 | static void __init at73c213_set_clk(struct at73c213_board_info *info) | |
98 | { | |
99 | struct clk *pck0; | |
100 | struct clk *plla; | |
101 | ||
102 | pck0 = clk_get(NULL, "pck0"); | |
103 | plla = clk_get(NULL, "plla"); | |
104 | ||
105 | /* AT73C213 MCK Clock */ | |
106 | at91_set_B_periph(AT91_PIN_PC1, 0); /* PCK0 */ | |
107 | ||
108 | clk_set_parent(pck0, plla); | |
109 | clk_put(plla); | |
110 | ||
111 | info->dac_clk = pck0; | |
112 | } | |
113 | #else | |
114 | static void __init at73c213_set_clk(struct at73c213_board_info *info) {} | |
115 | #endif | |
116 | ||
b85a8914 AV |
117 | /* |
118 | * SPI devices. | |
119 | */ | |
120 | static struct spi_board_info ek_spi_devices[] = { | |
121 | #if !defined(CONFIG_MMC_AT91) | |
122 | { /* DataFlash chip */ | |
123 | .modalias = "mtd_dataflash", | |
124 | .chip_select = 1, | |
125 | .max_speed_hz = 15 * 1000 * 1000, | |
126 | .bus_num = 0, | |
127 | }, | |
128 | #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD) | |
129 | { /* DataFlash card */ | |
130 | .modalias = "mtd_dataflash", | |
131 | .chip_select = 0, | |
132 | .max_speed_hz = 15 * 1000 * 1000, | |
133 | .bus_num = 0, | |
134 | }, | |
135 | #endif | |
136 | #endif | |
93afa752 | 137 | #if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE) |
b85a8914 | 138 | { /* AT73C213 DAC */ |
93afa752 | 139 | .modalias = "at73c213", |
b85a8914 AV |
140 | .chip_select = 0, |
141 | .max_speed_hz = 10 * 1000 * 1000, | |
142 | .bus_num = 1, | |
5e9df924 AV |
143 | .mode = SPI_MODE_1, |
144 | .platform_data = &at73c213_data, | |
b85a8914 AV |
145 | }, |
146 | #endif | |
147 | }; | |
148 | ||
149 | ||
150 | /* | |
151 | * MACB Ethernet device | |
152 | */ | |
3e18c8dd | 153 | static struct at91_eth_data __initdata ek_macb_data = { |
44853a81 | 154 | .phy_irq_pin = AT91_PIN_PA7, |
b85a8914 AV |
155 | .is_rmii = 1, |
156 | }; | |
157 | ||
158 | ||
159 | /* | |
160 | * NAND flash | |
161 | */ | |
162 | static struct mtd_partition __initdata ek_nand_partition[] = { | |
163 | { | |
164 | .name = "Partition 1", | |
165 | .offset = 0, | |
166 | .size = 256 * 1024, | |
167 | }, | |
168 | { | |
169 | .name = "Partition 2", | |
170 | .offset = 256 * 1024, | |
171 | .size = MTDPART_SIZ_FULL, | |
172 | }, | |
173 | }; | |
174 | ||
3e18c8dd | 175 | static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) |
b85a8914 AV |
176 | { |
177 | *num_partitions = ARRAY_SIZE(ek_nand_partition); | |
178 | return ek_nand_partition; | |
179 | } | |
180 | ||
3c3796cc | 181 | static struct atmel_nand_data __initdata ek_nand_data = { |
b85a8914 AV |
182 | .ale = 21, |
183 | .cle = 22, | |
184 | // .det_pin = ... not connected | |
185 | .rdy_pin = AT91_PIN_PC13, | |
186 | .enable_pin = AT91_PIN_PC14, | |
187 | .partition_info = nand_partitions, | |
f6ed6f78 | 188 | #if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16) |
b85a8914 AV |
189 | .bus_width_16 = 1, |
190 | #else | |
191 | .bus_width_16 = 0, | |
192 | #endif | |
193 | }; | |
194 | ||
195 | ||
196 | /* | |
197 | * MCI (SD/MMC) | |
198 | */ | |
199 | static struct at91_mmc_data __initdata ek_mmc_data = { | |
200 | .slot_b = 1, | |
201 | .wire4 = 1, | |
202 | // .det_pin = ... not connected | |
203 | // .wp_pin = ... not connected | |
204 | // .vcc_pin = ... not connected | |
205 | }; | |
206 | ||
5b7659d1 AV |
207 | |
208 | /* | |
209 | * LEDs | |
210 | */ | |
211 | static struct gpio_led ek_leds[] = { | |
212 | { /* "bottom" led, green, userled1 to be defined */ | |
213 | .name = "ds5", | |
214 | .gpio = AT91_PIN_PA6, | |
215 | .active_low = 1, | |
216 | .default_trigger = "none", | |
217 | }, | |
218 | { /* "power" led, yellow */ | |
219 | .name = "ds1", | |
220 | .gpio = AT91_PIN_PA9, | |
221 | .default_trigger = "heartbeat", | |
222 | } | |
223 | }; | |
224 | ||
b85a8914 AV |
225 | static void __init ek_board_init(void) |
226 | { | |
227 | /* Serial */ | |
228 | at91_add_device_serial(); | |
229 | /* USB Host */ | |
230 | at91_add_device_usbh(&ek_usbh_data); | |
231 | /* USB Device */ | |
232 | at91_add_device_udc(&ek_udc_data); | |
233 | /* SPI */ | |
234 | at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); | |
235 | /* NAND */ | |
236 | at91_add_device_nand(&ek_nand_data); | |
237 | /* Ethernet */ | |
238 | at91_add_device_eth(&ek_macb_data); | |
239 | /* MMC */ | |
d0760b3b | 240 | at91_add_device_mmc(0, &ek_mmc_data); |
93afa752 | 241 | /* I2C */ |
f230d3f5 | 242 | at91_add_device_i2c(NULL, 0); |
5e9df924 AV |
243 | /* SSC (to AT73C213) */ |
244 | at73c213_set_clk(&at73c213_data); | |
245 | at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX); | |
5b7659d1 AV |
246 | /* LEDs */ |
247 | at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); | |
b85a8914 AV |
248 | } |
249 | ||
250 | MACHINE_START(AT91SAM9260EK, "Atmel AT91SAM9260-EK") | |
251 | /* Maintainer: Atmel */ | |
252 | .phys_io = AT91_BASE_SYS, | |
253 | .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, | |
254 | .boot_params = AT91_SDRAM_BASE + 0x100, | |
255 | .timer = &at91sam926x_timer, | |
256 | .map_io = ek_map_io, | |
257 | .init_irq = ek_init_irq, | |
258 | .init_machine = ek_board_init, | |
259 | MACHINE_END |