Commit | Line | Data |
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022cbd73 | 1 | /* |
9d041268 | 2 | * linux/arch/arm/mach-at91/board-ek.c |
022cbd73 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> | |
28 | #include <linux/dm9000.h> | |
29 | ||
30 | #include <asm/hardware.h> | |
31 | #include <asm/setup.h> | |
32 | #include <asm/mach-types.h> | |
33 | #include <asm/irq.h> | |
34 | ||
35 | #include <asm/mach/arch.h> | |
36 | #include <asm/mach/map.h> | |
37 | #include <asm/mach/irq.h> | |
38 | ||
39 | #include <asm/arch/board.h> | |
40 | #include <asm/arch/gpio.h> | |
41 | #include <asm/arch/at91sam926x_mc.h> | |
42 | ||
43 | #include "generic.h" | |
44 | ||
45 | ||
46 | /* | |
47 | * Serial port configuration. | |
48 | * 0 .. 2 = USART0 .. USART2 | |
49 | * 3 = DBGU | |
50 | */ | |
51 | static struct at91_uart_config __initdata ek_uart_config = { | |
52 | .console_tty = 0, /* ttyS0 */ | |
53 | .nr_tty = 1, | |
54 | .tty_map = { 3, -1, -1, -1 } /* ttyS0, ..., ttyS3 */ | |
55 | }; | |
56 | ||
57 | static void __init ek_map_io(void) | |
58 | { | |
59 | /* Initialize processor: 18.432 MHz crystal */ | |
60 | at91sam9261_initialize(18432000); | |
61 | ||
62 | /* Setup the serial ports and console */ | |
63 | at91_init_serial(&ek_uart_config); | |
64 | } | |
65 | ||
66 | static void __init ek_init_irq(void) | |
67 | { | |
68 | at91sam9261_init_interrupts(NULL); | |
69 | } | |
70 | ||
71 | ||
72 | /* | |
73 | * DM9000 ethernet device | |
74 | */ | |
75 | #if defined(CONFIG_DM9000) | |
76 | static struct resource at91sam9261_dm9000_resource[] = { | |
77 | [0] = { | |
78 | .start = AT91_CHIPSELECT_2, | |
79 | .end = AT91_CHIPSELECT_2 + 3, | |
80 | .flags = IORESOURCE_MEM | |
81 | }, | |
82 | [1] = { | |
83 | .start = AT91_CHIPSELECT_2 + 0x44, | |
84 | .end = AT91_CHIPSELECT_2 + 0xFF, | |
85 | .flags = IORESOURCE_MEM | |
86 | }, | |
87 | [2] = { | |
88 | .start = AT91_PIN_PC11, | |
89 | .end = AT91_PIN_PC11, | |
90 | .flags = IORESOURCE_IRQ | |
91 | } | |
92 | }; | |
93 | ||
94 | static struct dm9000_plat_data dm9000_platdata = { | |
95 | .flags = DM9000_PLATF_16BITONLY, | |
96 | }; | |
97 | ||
98 | static struct platform_device at91sam9261_dm9000_device = { | |
99 | .name = "dm9000", | |
100 | .id = 0, | |
101 | .num_resources = ARRAY_SIZE(at91sam9261_dm9000_resource), | |
102 | .resource = at91sam9261_dm9000_resource, | |
103 | .dev = { | |
104 | .platform_data = &dm9000_platdata, | |
105 | } | |
106 | }; | |
107 | ||
108 | static void __init ek_add_device_dm9000(void) | |
109 | { | |
110 | /* | |
111 | * Configure Chip-Select 2 on SMC for the DM9000. | |
112 | * Note: These timings were calculated for MASTER_CLOCK = 100000000 | |
113 | * according to the DM9000 timings. | |
114 | */ | |
115 | at91_sys_write(AT91_SMC_SETUP(2), AT91_SMC_NWESETUP_(2) | AT91_SMC_NCS_WRSETUP_(0) | AT91_SMC_NRDSETUP_(2) | AT91_SMC_NCS_RDSETUP_(0)); | |
116 | at91_sys_write(AT91_SMC_PULSE(2), AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(8) | AT91_SMC_NRDPULSE_(4) | AT91_SMC_NCS_RDPULSE_(8)); | |
117 | at91_sys_write(AT91_SMC_CYCLE(2), AT91_SMC_NWECYCLE_(16) | AT91_SMC_NRDCYCLE_(16)); | |
118 | at91_sys_write(AT91_SMC_MODE(2), AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16 | AT91_SMC_TDF_(1)); | |
119 | ||
120 | /* Configure Reset signal as output */ | |
121 | at91_set_gpio_output(AT91_PIN_PC10, 0); | |
122 | ||
123 | /* Configure Interrupt pin as input, no pull-up */ | |
124 | at91_set_gpio_input(AT91_PIN_PC11, 0); | |
125 | ||
126 | platform_device_register(&at91sam9261_dm9000_device); | |
127 | } | |
128 | #else | |
129 | static void __init ek_add_device_dm9000(void) {} | |
130 | #endif /* CONFIG_DM9000 */ | |
131 | ||
132 | ||
133 | /* | |
134 | * USB Host Port | |
135 | */ | |
136 | static struct at91_usbh_data __initdata ek_usbh_data = { | |
137 | .ports = 2, | |
138 | }; | |
139 | ||
140 | ||
141 | /* | |
142 | * USB Device Port | |
143 | */ | |
144 | static struct at91_udc_data __initdata ek_udc_data = { | |
145 | .vbus_pin = AT91_PIN_PB29, | |
146 | .pullup_pin = 0, /* pull-up driven by UDC */ | |
147 | }; | |
148 | ||
149 | ||
150 | /* | |
151 | * MCI (SD/MMC) | |
152 | */ | |
153 | static struct at91_mmc_data __initdata ek_mmc_data = { | |
154 | .wire4 = 1, | |
155 | // .det_pin = ... not connected | |
156 | // .wp_pin = ... not connected | |
157 | // .vcc_pin = ... not connected | |
158 | }; | |
159 | ||
160 | ||
161 | /* | |
162 | * NAND flash | |
163 | */ | |
164 | static struct mtd_partition __initdata ek_nand_partition[] = { | |
165 | { | |
166 | .name = "Partition 1", | |
167 | .offset = 0, | |
168 | .size = 256 * 1024, | |
169 | }, | |
170 | { | |
171 | .name = "Partition 2", | |
172 | .offset = 256 * 1024 , | |
173 | .size = MTDPART_SIZ_FULL, | |
174 | }, | |
175 | }; | |
176 | ||
177 | static struct mtd_partition *nand_partitions(int size, int *num_partitions) | |
178 | { | |
179 | *num_partitions = ARRAY_SIZE(ek_nand_partition); | |
180 | return ek_nand_partition; | |
181 | } | |
182 | ||
183 | static struct at91_nand_data __initdata ek_nand_data = { | |
184 | .ale = 22, | |
185 | .cle = 21, | |
186 | // .det_pin = ... not connected | |
187 | .rdy_pin = AT91_PIN_PC15, | |
188 | .enable_pin = AT91_PIN_PC14, | |
189 | .partition_info = nand_partitions, | |
190 | #if defined(CONFIG_MTD_NAND_AT91_BUSWIDTH_16) | |
191 | .bus_width_16 = 1, | |
192 | #else | |
193 | .bus_width_16 = 0, | |
194 | #endif | |
195 | }; | |
196 | ||
197 | /* | |
198 | * SPI devices | |
199 | */ | |
200 | static struct spi_board_info ek_spi_devices[] = { | |
201 | { /* DataFlash chip */ | |
202 | .modalias = "mtd_dataflash", | |
203 | .chip_select = 0, | |
204 | .max_speed_hz = 15 * 1000 * 1000, | |
205 | .bus_num = 0, | |
206 | }, | |
207 | #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD) | |
208 | { /* DataFlash card - jumper (J12) configurable to CS3 or CS0 */ | |
209 | .modalias = "mtd_dataflash", | |
210 | .chip_select = 3, | |
211 | .max_speed_hz = 15 * 1000 * 1000, | |
212 | .bus_num = 0, | |
213 | }, | |
214 | #elif defined(CONFIG_SND_AT73C213) | |
215 | { /* AT73C213 DAC */ | |
216 | .modalias = "snd_at73c213", | |
217 | .chip_select = 3, | |
218 | .max_speed_hz = 10 * 1000 * 1000, | |
219 | .bus_num = 0, | |
220 | }, | |
221 | #endif | |
222 | }; | |
223 | ||
224 | ||
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 | /* I2C */ | |
234 | at91_add_device_i2c(); | |
235 | /* NAND */ | |
236 | at91_add_device_nand(&ek_nand_data); | |
237 | /* DM9000 ethernet */ | |
238 | ek_add_device_dm9000(); | |
239 | ||
240 | /* spi0 and mmc/sd share the same PIO pins */ | |
241 | #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE) | |
242 | /* SPI */ | |
243 | at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); | |
244 | #else | |
245 | /* MMC */ | |
246 | at91_add_device_mmc(&ek_mmc_data); | |
247 | #endif | |
248 | } | |
249 | ||
250 | MACHINE_START(AT91SAM9261EK, "Atmel AT91SAM9261-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 |