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/init.h>
25 #include <linux/mm.h>
26 #include <linux/module.h>
27 #include <linux/platform_device.h>
28 #include <linux/spi/spi.h>
29
30 #include <mach/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 <mach/board.h>
40 #include <mach/gpio.h>
41 #include <mach/at91sam9_smc.h>
42
43 #include "sam9_smc.h"
44 #include "generic.h"
45
46
ek_map_io(void)47 static void __init ek_map_io(void)
48 {
49 /* Initialize processor: 18.432 MHz crystal */
50 at91sam9260_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
ek_init_irq(void)70 static void __init ek_init_irq(void)
71 {
72 at91sam9260_init_interrupts(NULL);
73 }
74
75
76 /*
77 * USB Host port
78 */
79 static struct at91_usbh_data __initdata ek_usbh_data = {
80 .ports = 2,
81 };
82
83 /*
84 * USB Device port
85 */
86 static struct at91_udc_data __initdata ek_udc_data = {
87 .vbus_pin = AT91_PIN_PC5,
88 .pullup_pin = 0, /* pull-up driven by UDC */
89 };
90
91
92 /*
93 * SPI devices.
94 */
95 static struct spi_board_info ek_spi_devices[] = {
96 #if !defined(CONFIG_MMC_AT91)
97 { /* DataFlash chip */
98 .modalias = "mtd_dataflash",
99 .chip_select = 1,
100 .max_speed_hz = 15 * 1000 * 1000,
101 .bus_num = 0,
102 },
103 #if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
104 { /* DataFlash card */
105 .modalias = "mtd_dataflash",
106 .chip_select = 0,
107 .max_speed_hz = 15 * 1000 * 1000,
108 .bus_num = 0,
109 },
110 #endif
111 #endif
112 };
113
114
115 /*
116 * MACB Ethernet device
117 */
118 static struct at91_eth_data __initdata ek_macb_data = {
119 .phy_irq_pin = AT91_PIN_PA7,
120 .is_rmii = 0,
121 };
122
123
124 /*
125 * NAND flash
126 */
127 static struct mtd_partition __initdata ek_nand_partition[] = {
128 {
129 .name = "Bootloader Area",
130 .offset = 0,
131 .size = 10 * SZ_1M,
132 },
133 {
134 .name = "User Area",
135 .offset = MTDPART_OFS_NXTBLK,
136 .size = MTDPART_SIZ_FULL,
137 },
138 };
139
nand_partitions(int size,int * num_partitions)140 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
141 {
142 *num_partitions = ARRAY_SIZE(ek_nand_partition);
143 return ek_nand_partition;
144 }
145
146 static struct atmel_nand_data __initdata ek_nand_data = {
147 .ale = 21,
148 .cle = 22,
149 // .det_pin = ... not connected
150 .rdy_pin = AT91_PIN_PC13,
151 .enable_pin = AT91_PIN_PC14,
152 .partition_info = nand_partitions,
153 };
154
155 static struct sam9_smc_config __initdata ek_nand_smc_config = {
156 .ncs_read_setup = 0,
157 .nrd_setup = 1,
158 .ncs_write_setup = 0,
159 .nwe_setup = 1,
160
161 .ncs_read_pulse = 3,
162 .nrd_pulse = 3,
163 .ncs_write_pulse = 3,
164 .nwe_pulse = 3,
165
166 .read_cycle = 5,
167 .write_cycle = 5,
168
169 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
170 .tdf_cycles = 2,
171 };
172
ek_add_device_nand(void)173 static void __init ek_add_device_nand(void)
174 {
175 /* configure chip-select 3 (NAND) */
176 sam9_smc_configure(3, &ek_nand_smc_config);
177
178 at91_add_device_nand(&ek_nand_data);
179 }
180
181
182 /*
183 * MCI (SD/MMC)
184 */
185 static struct at91_mmc_data __initdata ek_mmc_data = {
186 .slot_b = 1,
187 .wire4 = 1,
188 .det_pin = AT91_PIN_PC8,
189 .wp_pin = AT91_PIN_PC4,
190 // .vcc_pin = ... not connected
191 };
192
ek_board_init(void)193 static void __init ek_board_init(void)
194 {
195 /* Serial */
196 at91_add_device_serial();
197 /* USB Host */
198 at91_add_device_usbh(&ek_usbh_data);
199 /* USB Device */
200 at91_add_device_udc(&ek_udc_data);
201 /* SPI */
202 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
203 /* NAND */
204 ek_add_device_nand();
205 /* Ethernet */
206 at91_add_device_eth(&ek_macb_data);
207 /* MMC */
208 at91_add_device_mmc(0, &ek_mmc_data);
209 /* I2C */
210 at91_add_device_i2c(NULL, 0);
211 }
212
213 MACHINE_START(SAM9_L9260, "Olimex SAM9-L9260")
214 /* Maintainer: Olimex */
215 .phys_io = AT91_BASE_SYS,
216 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
217 .boot_params = AT91_SDRAM_BASE + 0x100,
218 .timer = &at91sam926x_timer,
219 .map_io = ek_map_io,
220 .init_irq = ek_init_irq,
221 .init_machine = ek_board_init,
222 MACHINE_END
223