Pull bugfix into test branch
[linux-2.6] / arch / arm / mach-at91rm9200 / board-sam9261ek.c
1 /*
2  * linux/arch/arm/mach-at91rm9200/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