1 /*
2 * KwikByte CAM60 (KB9260)
3 *
4 * based on board-sam9260ek.c
5 * Copyright (C) 2005 SAN People
6 * Copyright (C) 2006 Atmel
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 #include <linux/spi/flash.h>
31
32 #include <mach/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 <mach/at91sam9_smc.h>
42
43 #include "at91_aic.h"
44 #include "board.h"
45 #include "sam9_smc.h"
46 #include "generic.h"
47 #include "gpio.h"
48
49
cam60_init_early(void)50 static void __init cam60_init_early(void)
51 {
52 /* Initialize processor: 10 MHz crystal */
53 at91_initialize(10000000);
54 }
55
56 /*
57 * USB Host
58 */
59 static struct at91_usbh_data __initdata cam60_usbh_data = {
60 .ports = 1,
61 .vbus_pin = {-EINVAL, -EINVAL},
62 .overcurrent_pin= {-EINVAL, -EINVAL},
63 };
64
65
66 /*
67 * SPI devices.
68 */
69 #if defined(CONFIG_MTD_DATAFLASH)
70 static struct mtd_partition cam60_spi_partitions[] = {
71 {
72 .name = "BOOT1",
73 .offset = 0,
74 .size = 4 * 1056,
75 },
76 {
77 .name = "BOOT2",
78 .offset = MTDPART_OFS_NXTBLK,
79 .size = 256 * 1056,
80 },
81 {
82 .name = "kernel",
83 .offset = MTDPART_OFS_NXTBLK,
84 .size = 2222 * 1056,
85 },
86 {
87 .name = "file system",
88 .offset = MTDPART_OFS_NXTBLK,
89 .size = MTDPART_SIZ_FULL,
90 },
91 };
92
93 static struct flash_platform_data cam60_spi_flash_platform_data = {
94 .name = "spi_flash",
95 .parts = cam60_spi_partitions,
96 .nr_parts = ARRAY_SIZE(cam60_spi_partitions)
97 };
98 #endif
99
100 static struct spi_board_info cam60_spi_devices[] __initdata = {
101 #if defined(CONFIG_MTD_DATAFLASH)
102 { /* DataFlash chip */
103 .modalias = "mtd_dataflash",
104 .chip_select = 0,
105 .max_speed_hz = 15 * 1000 * 1000,
106 .bus_num = 0,
107 .platform_data = &cam60_spi_flash_platform_data
108 },
109 #endif
110 };
111
112
113 /*
114 * MACB Ethernet device
115 */
116 static struct macb_platform_data cam60_macb_data __initdata = {
117 .phy_irq_pin = AT91_PIN_PB5,
118 .is_rmii = 0,
119 };
120
121
122 /*
123 * NAND Flash
124 */
125 static struct mtd_partition __initdata cam60_nand_partition[] = {
126 {
127 .name = "nand_fs",
128 .offset = 0,
129 .size = MTDPART_SIZ_FULL,
130 },
131 };
132
133 static struct atmel_nand_data __initdata cam60_nand_data = {
134 .ale = 21,
135 .cle = 22,
136 .det_pin = -EINVAL,
137 .rdy_pin = AT91_PIN_PA9,
138 .enable_pin = AT91_PIN_PA7,
139 .ecc_mode = NAND_ECC_SOFT,
140 .parts = cam60_nand_partition,
141 .num_parts = ARRAY_SIZE(cam60_nand_partition),
142 };
143
144 static struct sam9_smc_config __initdata cam60_nand_smc_config = {
145 .ncs_read_setup = 0,
146 .nrd_setup = 1,
147 .ncs_write_setup = 0,
148 .nwe_setup = 1,
149
150 .ncs_read_pulse = 3,
151 .nrd_pulse = 3,
152 .ncs_write_pulse = 3,
153 .nwe_pulse = 3,
154
155 .read_cycle = 5,
156 .write_cycle = 5,
157
158 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
159 .tdf_cycles = 2,
160 };
161
cam60_add_device_nand(void)162 static void __init cam60_add_device_nand(void)
163 {
164 /* configure chip-select 3 (NAND) */
165 sam9_smc_configure(0, 3, &cam60_nand_smc_config);
166
167 at91_add_device_nand(&cam60_nand_data);
168 }
169
170
cam60_board_init(void)171 static void __init cam60_board_init(void)
172 {
173 at91_register_devices();
174
175 /* Serial */
176 /* DBGU on ttyS0. (Rx & Tx only) */
177 at91_register_uart(0, 0, 0);
178 at91_add_device_serial();
179 /* SPI */
180 at91_add_device_spi(cam60_spi_devices, ARRAY_SIZE(cam60_spi_devices));
181 /* Ethernet */
182 at91_add_device_eth(&cam60_macb_data);
183 /* USB Host */
184 /* enable USB power supply circuit */
185 at91_set_gpio_output(AT91_PIN_PB18, 1);
186 at91_add_device_usbh(&cam60_usbh_data);
187 /* NAND */
188 cam60_add_device_nand();
189 }
190
191 MACHINE_START(CAM60, "KwikByte CAM60")
192 /* Maintainer: KwikByte */
193 .init_time = at91_init_time,
194 .map_io = at91_map_io,
195 .handle_irq = at91_aic_handle_irq,
196 .init_early = cam60_init_early,
197 .init_irq = at91_init_irq_default,
198 .init_machine = cam60_board_init,
199 MACHINE_END
200