1 /*
2 * linux/arch/arm/mach-at91/board-afeb-9260v1.c
3 *
4 * Copyright (C) 2005 SAN People
5 * Copyright (C) 2006 Atmel
6 * Copyright (C) 2008 Sergey Lapin
7 *
8 * A custom board designed as open hardware; PCBs and various information
9 * is available at http://groups.google.com/group/arm9fpga-evolution-board/
10 * Subversion repository: svn://194.85.238.22/home/users/george/svn/arm9eb
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 */
26
27 #include <linux/types.h>
28 #include <linux/gpio.h>
29 #include <linux/init.h>
30 #include <linux/mm.h>
31 #include <linux/module.h>
32 #include <linux/platform_device.h>
33 #include <linux/spi/spi.h>
34 #include <linux/clk.h>
35 #include <linux/dma-mapping.h>
36
37 #include <mach/hardware.h>
38 #include <asm/setup.h>
39 #include <asm/mach-types.h>
40 #include <asm/irq.h>
41
42 #include <asm/mach/arch.h>
43 #include <asm/mach/map.h>
44 #include <asm/mach/irq.h>
45
46 #include "at91_aic.h"
47 #include "board.h"
48 #include "generic.h"
49 #include "gpio.h"
50
51
afeb9260_init_early(void)52 static void __init afeb9260_init_early(void)
53 {
54 /* Initialize processor: 18.432 MHz crystal */
55 at91_initialize(18432000);
56 }
57
58 /*
59 * USB Host port
60 */
61 static struct at91_usbh_data __initdata afeb9260_usbh_data = {
62 .ports = 1,
63 .vbus_pin = {-EINVAL, -EINVAL},
64 .overcurrent_pin= {-EINVAL, -EINVAL},
65 };
66
67 /*
68 * USB Device port
69 */
70 static struct at91_udc_data __initdata afeb9260_udc_data = {
71 .vbus_pin = AT91_PIN_PC5,
72 .pullup_pin = -EINVAL, /* pull-up driven by UDC */
73 };
74
75
76
77 /*
78 * SPI devices.
79 */
80 static struct spi_board_info afeb9260_spi_devices[] = {
81 { /* DataFlash chip */
82 .modalias = "mtd_dataflash",
83 .chip_select = 1,
84 .max_speed_hz = 15 * 1000 * 1000,
85 .bus_num = 0,
86 },
87 };
88
89
90 /*
91 * MACB Ethernet device
92 */
93 static struct macb_platform_data __initdata afeb9260_macb_data = {
94 .phy_irq_pin = AT91_PIN_PA9,
95 .is_rmii = 0,
96 };
97
98
99 /*
100 * NAND flash
101 */
102 static struct mtd_partition __initdata afeb9260_nand_partition[] = {
103 {
104 .name = "bootloader",
105 .offset = 0,
106 .size = (640 * SZ_1K),
107 },
108 {
109 .name = "kernel",
110 .offset = MTDPART_OFS_NXTBLK,
111 .size = SZ_2M,
112 },
113 {
114 .name = "rootfs",
115 .offset = MTDPART_OFS_NXTBLK,
116 .size = MTDPART_SIZ_FULL,
117 },
118 };
119
120 static struct atmel_nand_data __initdata afeb9260_nand_data = {
121 .ale = 21,
122 .cle = 22,
123 .rdy_pin = AT91_PIN_PC13,
124 .enable_pin = AT91_PIN_PC14,
125 .bus_width_16 = 0,
126 .ecc_mode = NAND_ECC_SOFT,
127 .parts = afeb9260_nand_partition,
128 .num_parts = ARRAY_SIZE(afeb9260_nand_partition),
129 .det_pin = -EINVAL,
130 };
131
132
133 /*
134 * MCI (SD/MMC)
135 */
136 static struct mci_platform_data __initdata afeb9260_mci0_data = {
137 .slot[1] = {
138 .bus_width = 4,
139 .detect_pin = AT91_PIN_PC9,
140 .wp_pin = AT91_PIN_PC4,
141 },
142 };
143
144
145
146 static struct i2c_board_info __initdata afeb9260_i2c_devices[] = {
147 {
148 I2C_BOARD_INFO("tlv320aic23", 0x1a),
149 }, {
150 I2C_BOARD_INFO("fm3130", 0x68),
151 }, {
152 I2C_BOARD_INFO("24c64", 0x50),
153 },
154 };
155
156 /*
157 * IDE (CF True IDE mode)
158 */
159 static struct at91_cf_data afeb9260_cf_data = {
160 .chipselect = 4,
161 .irq_pin = AT91_PIN_PA6,
162 .det_pin = -EINVAL,
163 .vcc_pin = -EINVAL,
164 .rst_pin = AT91_PIN_PA7,
165 .flags = AT91_CF_TRUE_IDE,
166 };
167
afeb9260_board_init(void)168 static void __init afeb9260_board_init(void)
169 {
170 at91_register_devices();
171
172 /* Serial */
173 /* DBGU on ttyS0. (Rx & Tx only) */
174 at91_register_uart(0, 0, 0);
175
176 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
177 at91_register_uart(AT91SAM9260_ID_US0, 1,
178 ATMEL_UART_CTS | ATMEL_UART_RTS
179 | ATMEL_UART_DTR | ATMEL_UART_DSR
180 | ATMEL_UART_DCD | ATMEL_UART_RI);
181
182 /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
183 at91_register_uart(AT91SAM9260_ID_US1, 2,
184 ATMEL_UART_CTS | ATMEL_UART_RTS);
185 at91_add_device_serial();
186 /* USB Host */
187 at91_add_device_usbh(&afeb9260_usbh_data);
188 /* USB Device */
189 at91_add_device_udc(&afeb9260_udc_data);
190 /* SPI */
191 at91_add_device_spi(afeb9260_spi_devices,
192 ARRAY_SIZE(afeb9260_spi_devices));
193 /* NAND */
194 at91_add_device_nand(&afeb9260_nand_data);
195 /* Ethernet */
196 at91_add_device_eth(&afeb9260_macb_data);
197
198 /* Standard function's pin assignments are not
199 * appropriate for us and generic code provide
200 * no API to configure these pins any other way */
201 at91_set_B_periph(AT91_PIN_PA10, 0); /* ETX2 */
202 at91_set_B_periph(AT91_PIN_PA11, 0); /* ETX3 */
203 /* MMC */
204 at91_add_device_mci(0, &afeb9260_mci0_data);
205 /* I2C */
206 at91_add_device_i2c(afeb9260_i2c_devices,
207 ARRAY_SIZE(afeb9260_i2c_devices));
208 /* Audio */
209 at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
210 /* IDE */
211 at91_add_device_cf(&afeb9260_cf_data);
212 }
213
214 MACHINE_START(AFEB9260, "Custom afeb9260 board")
215 /* Maintainer: Sergey Lapin <slapin@ossfans.org> */
216 .init_time = at91_init_time,
217 .map_io = at91_map_io,
218 .handle_irq = at91_aic_handle_irq,
219 .init_early = afeb9260_init_early,
220 .init_irq = at91_init_irq_default,
221 .init_machine = afeb9260_board_init,
222 MACHINE_END
223
224