diff options
Diffstat (limited to 'arch/arm/mach-at91/board-sam9261ek.c')
-rw-r--r-- | arch/arm/mach-at91/board-sam9261ek.c | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/board-sam9261ek.c b/arch/arm/mach-at91/board-sam9261ek.c new file mode 100644 index 000000000000..25d626348e6d --- /dev/null +++ b/arch/arm/mach-at91/board-sam9261ek.c | |||
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1 | /* | ||
2 | * linux/arch/arm/mach-at91/board-ek.c | ||
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 | ||