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1/*
2 * linux/arch/arm/mach-at91/board-dk.c
3 *
4 * Copyright (C) 2005 SAN People
5 *
6 * Epson S1D framebuffer glue code is:
7 * Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 */
23
24#include <linux/types.h>
25#include <linux/init.h>
26#include <linux/mm.h>
27#include <linux/module.h>
28#include <linux/platform_device.h>
29#include <linux/spi/spi.h>
30#include <linux/mtd/physmap.h>
31
32#include <asm/hardware.h>
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 <asm/arch/board.h>
42#include <asm/arch/gpio.h>
43#include <asm/arch/at91rm9200_mc.h>
44
45#include "generic.h"
46
47
48/*
49 * Serial port configuration.
50 * 0 .. 3 = USART0 .. USART3
51 * 4 = DBGU
52 */
53static struct at91_uart_config __initdata dk_uart_config = {
54 .console_tty = 0, /* ttyS0 */
55 .nr_tty = 2,
56 .tty_map = { 4, 1, -1, -1, -1 } /* ttyS0, ..., ttyS4 */
57};
58
59static void __init dk_map_io(void)
60{
61 /* Initialize processor: 18.432 MHz crystal */
62 at91rm9200_initialize(18432000, AT91RM9200_BGA);
63
64 /* Setup the LEDs */
65 at91_init_leds(AT91_PIN_PB2, AT91_PIN_PB2);
66
67 /* Setup the serial ports and console */
68 at91_init_serial(&dk_uart_config);
69}
70
71static void __init dk_init_irq(void)
72{
73 at91rm9200_init_interrupts(NULL);
74}
75
76static struct at91_eth_data __initdata dk_eth_data = {
77 .phy_irq_pin = AT91_PIN_PC4,
78 .is_rmii = 1,
79};
80
81static struct at91_usbh_data __initdata dk_usbh_data = {
82 .ports = 2,
83};
84
85static struct at91_udc_data __initdata dk_udc_data = {
86 .vbus_pin = AT91_PIN_PD4,
87 .pullup_pin = AT91_PIN_PD5,
88};
89
90static struct at91_cf_data __initdata dk_cf_data = {
91 .det_pin = AT91_PIN_PB0,
92 .rst_pin = AT91_PIN_PC5,
93 // .irq_pin = ... not connected
94 // .vcc_pin = ... always powered
95};
96
97static struct at91_mmc_data __initdata dk_mmc_data = {
98 .slot_b = 0,
99 .wire4 = 1,
100};
101
102static struct spi_board_info dk_spi_devices[] = {
103 { /* DataFlash chip */
104 .modalias = "mtd_dataflash",
105 .chip_select = 0,
106 .max_speed_hz = 15 * 1000 * 1000,
107 },
108 { /* UR6HCPS2-SP40 PS2-to-SPI adapter */
109 .modalias = "ur6hcps2",
110 .chip_select = 1,
111 .max_speed_hz = 250 * 1000,
112 },
113 { /* TLV1504 ADC, 4 channels, 10 bits; one is a temp sensor */
114 .modalias = "tlv1504",
115 .chip_select = 2,
116 .max_speed_hz = 20 * 1000 * 1000,
117 },
118#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
119 { /* DataFlash card */
120 .modalias = "mtd_dataflash",
121 .chip_select = 3,
122 .max_speed_hz = 15 * 1000 * 1000,
123 }
124#endif
125};
126
127static struct mtd_partition __initdata dk_nand_partition[] = {
128 {
129 .name = "NAND Partition 1",
130 .offset = 0,
131 .size = MTDPART_SIZ_FULL,
132 },
133};
134
135static struct mtd_partition *nand_partitions(int size, int *num_partitions)
136{
137 *num_partitions = ARRAY_SIZE(dk_nand_partition);
138 return dk_nand_partition;
139}
140
141static struct at91_nand_data __initdata dk_nand_data = {
142 .ale = 22,
143 .cle = 21,
144 .det_pin = AT91_PIN_PB1,
145 .rdy_pin = AT91_PIN_PC2,
146 // .enable_pin = ... not there
147 .partition_info = nand_partitions,
148};
149
150#define DK_FLASH_BASE AT91_CHIPSELECT_0
151#define DK_FLASH_SIZE 0x200000
152
153static struct physmap_flash_data dk_flash_data = {
154 .width = 2,
155};
156
157static struct resource dk_flash_resource = {
158 .start = DK_FLASH_BASE,
159 .end = DK_FLASH_BASE + DK_FLASH_SIZE - 1,
160 .flags = IORESOURCE_MEM,
161};
162
163static struct platform_device dk_flash = {
164 .name = "physmap-flash",
165 .id = 0,
166 .dev = {
167 .platform_data = &dk_flash_data,
168 },
169 .resource = &dk_flash_resource,
170 .num_resources = 1,
171};
172
173
174static void __init dk_board_init(void)
175{
176 /* Serial */
177 at91_add_device_serial();
178 /* Ethernet */
179 at91_add_device_eth(&dk_eth_data);
180 /* USB Host */
181 at91_add_device_usbh(&dk_usbh_data);
182 /* USB Device */
183 at91_add_device_udc(&dk_udc_data);
184 at91_set_multi_drive(dk_udc_data.pullup_pin, 1); /* pullup_pin is connected to reset */
185 /* Compact Flash */
186 at91_add_device_cf(&dk_cf_data);
187 /* I2C */
188 at91_add_device_i2c();
189 /* SPI */
190 at91_add_device_spi(dk_spi_devices, ARRAY_SIZE(dk_spi_devices));
191#ifdef CONFIG_MTD_AT91_DATAFLASH_CARD
192 /* DataFlash card */
193 at91_set_gpio_output(AT91_PIN_PB7, 0);
194#else
195 /* MMC */
196 at91_set_gpio_output(AT91_PIN_PB7, 1); /* this MMC card slot can optionally use SPI signaling (CS3). */
197 at91_add_device_mmc(&dk_mmc_data);
198#endif
199 /* NAND */
200 at91_add_device_nand(&dk_nand_data);
201 /* NOR Flash */
202 platform_device_register(&dk_flash);
203 /* VGA */
204// dk_add_device_video();
205}
206
207MACHINE_START(AT91RM9200DK, "Atmel AT91RM9200-DK")
208 /* Maintainer: SAN People/Atmel */
209 .phys_io = AT91_BASE_SYS,
210 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
211 .boot_params = AT91_SDRAM_BASE + 0x100,
212 .timer = &at91rm9200_timer,
213 .map_io = dk_map_io,
214 .init_irq = dk_init_irq,
215 .init_machine = dk_board_init,
216MACHINE_END