1 /*
2 * linux/arch/arm/mach-at91/board-sam9-l9260.c
3 *
4 * Copyright (C) 2005 SAN People
5 * Copyright (C) 2006 Atmel
6 * Copyright (C) 2007 Olimex Ltd
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
22
23 #include <linux/types.h>
24 #include <linux/gpio.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
31 #include <mach/hardware.h>
32 #include <asm/setup.h>
33 #include <asm/mach-types.h>
34 #include <asm/irq.h>
35
36 #include <asm/mach/arch.h>
37 #include <asm/mach/map.h>
38 #include <asm/mach/irq.h>
39
40 #include <mach/board.h>
41 #include <mach/at91sam9_smc.h>
42
43 #include "sam9_smc.h"
44 #include "generic.h"
45
46
ek_init_early(void)47 static void __init ek_init_early(void)
48 {
49 /* Initialize processor: 18.432 MHz crystal */
50 at91_initialize(18432000);
51
52 /* Setup the LEDs */
53 at91_init_leds(AT91_PIN_PA9, AT91_PIN_PA6);
54
55 /* DBGU on ttyS0. (Rx & Tx only) */
56 at91_register_uart(0, 0, 0);
57
58 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
59 at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
60 | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
61 | ATMEL_UART_RI);
62
63 /* USART1 on ttyS2. (Rx, Tx, CTS, RTS) */
64 at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS);
65
66 /* set serial console to ttyS0 (ie, DBGU) */
67 at91_set_serial_console(0);
68 }
69
70 /*
71 * USB Host port
72 */
73 static struct at91_usbh_data __initdata ek_usbh_data = {
74 .ports = 2,
75 .vbus_pin = {-EINVAL, -EINVAL},
76 .overcurrent_pin= {-EINVAL, -EINVAL},
77 };
78
79 /*
80 * USB Device port
81 */
82 static struct at91_udc_data __initdata ek_udc_data = {
83 .vbus_pin = AT91_PIN_PC5,
84 .pullup_pin = -EINVAL, /* pull-up driven by UDC */
85 };
86
87
88 /*
89 * SPI devices.
90 */
91 static struct spi_board_info ek_spi_devices[] = {
92 #if !defined(CONFIG_MMC_AT91)
93 { /* DataFlash chip */
94 .modalias = "mtd_dataflash",
95 .chip_select = 1,
96 .max_speed_hz = 15 * 1000 * 1000,
97 .bus_num = 0,
98 },
99 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
100 { /* DataFlash card */
101 .modalias = "mtd_dataflash",
102 .chip_select = 0,
103 .max_speed_hz = 15 * 1000 * 1000,
104 .bus_num = 0,
105 },
106 #endif
107 #endif
108 };
109
110
111 /*
112 * MACB Ethernet device
113 */
114 static struct macb_platform_data __initdata ek_macb_data = {
115 .phy_irq_pin = AT91_PIN_PA7,
116 .is_rmii = 0,
117 };
118
119
120 /*
121 * NAND flash
122 */
123 static struct mtd_partition __initdata ek_nand_partition[] = {
124 {
125 .name = "Bootloader Area",
126 .offset = 0,
127 .size = 10 * SZ_1M,
128 },
129 {
130 .name = "User Area",
131 .offset = MTDPART_OFS_NXTBLK,
132 .size = MTDPART_SIZ_FULL,
133 },
134 };
135
136 static struct atmel_nand_data __initdata ek_nand_data = {
137 .ale = 21,
138 .cle = 22,
139 .det_pin = -EINVAL,
140 .rdy_pin = AT91_PIN_PC13,
141 .enable_pin = AT91_PIN_PC14,
142 .parts = ek_nand_partition,
143 .num_parts = ARRAY_SIZE(ek_nand_partition),
144 };
145
146 static struct sam9_smc_config __initdata ek_nand_smc_config = {
147 .ncs_read_setup = 0,
148 .nrd_setup = 1,
149 .ncs_write_setup = 0,
150 .nwe_setup = 1,
151
152 .ncs_read_pulse = 3,
153 .nrd_pulse = 3,
154 .ncs_write_pulse = 3,
155 .nwe_pulse = 3,
156
157 .read_cycle = 5,
158 .write_cycle = 5,
159
160 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
161 .tdf_cycles = 2,
162 };
163
ek_add_device_nand(void)164 static void __init ek_add_device_nand(void)
165 {
166 /* configure chip-select 3 (NAND) */
167 sam9_smc_configure(0, 3, &ek_nand_smc_config);
168
169 at91_add_device_nand(&ek_nand_data);
170 }
171
172
173 /*
174 * MCI (SD/MMC)
175 */
176 static struct at91_mmc_data __initdata ek_mmc_data = {
177 .slot_b = 1,
178 .wire4 = 1,
179 .det_pin = AT91_PIN_PC8,
180 .wp_pin = AT91_PIN_PC4,
181 .vcc_pin = -EINVAL,
182 };
183
ek_board_init(void)184 static void __init ek_board_init(void)
185 {
186 /* Serial */
187 at91_add_device_serial();
188 /* USB Host */
189 at91_add_device_usbh(&ek_usbh_data);
190 /* USB Device */
191 at91_add_device_udc(&ek_udc_data);
192 /* SPI */
193 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
194 /* NAND */
195 ek_add_device_nand();
196 /* Ethernet */
197 at91_add_device_eth(&ek_macb_data);
198 /* MMC */
199 at91_add_device_mmc(0, &ek_mmc_data);
200 /* I2C */
201 at91_add_device_i2c(NULL, 0);
202 }
203
204 MACHINE_START(SAM9_L9260, "Olimex SAM9-L9260")
205 /* Maintainer: Olimex */
206 .timer = &at91sam926x_timer,
207 .map_io = at91_map_io,
208 .init_early = ek_init_early,
209 .init_irq = at91_init_irq_default,
210 .init_machine = ek_board_init,
211 MACHINE_END
212