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/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 #include <linux/spi/flash.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/gpio.h>
42 #include <mach/at91sam9_smc.h>
43
44 #include "sam9_smc.h"
45 #include "generic.h"
46
47
48 static void __init cam60_map_io(void)
49 {
50 /* Initialize processor: 10 MHz crystal */
51 at91sam9260_initialize(10000000);
52
53 /* DGBU on ttyS0. (Rx & Tx only) */
54 at91_register_uart(0, 0, 0);
55
56 /* set serial console to ttyS0 (ie, DBGU) */
57 at91_set_serial_console(0);
58 }
59
60 static void __init cam60_init_irq(void)
61 {
62 at91sam9260_init_interrupts(NULL);
63 }
64
65
66 /*
67 * USB Host
68 */
69 static struct at91_usbh_data __initdata cam60_usbh_data = {
70 .ports = 1,
71 };
72
73
74 /*
75 * SPI devices.
76 */
77 #if defined(CONFIG_MTD_DATAFLASH)
78 static struct mtd_partition __initdata cam60_spi_partitions[] = {
79 {
80 .name = "BOOT1",
81 .offset = 0,
82 .size = 4 * 1056,
83 },
84 {
85 .name = "BOOT2",
86 .offset = MTDPART_OFS_NXTBLK,
87 .size = 256 * 1056,
88 },
89 {
90 .name = "kernel",
91 .offset = MTDPART_OFS_NXTBLK,
92 .size = 2222 * 1056,
93 },
94 {
95 .name = "file system",
96 .offset = MTDPART_OFS_NXTBLK,
97 .size = MTDPART_SIZ_FULL,
98 },
99 };
100
101 static struct flash_platform_data __initdata cam60_spi_flash_platform_data = {
102 .name = "spi_flash",
103 .parts = cam60_spi_partitions,
104 .nr_parts = ARRAY_SIZE(cam60_spi_partitions)
105 };
106 #endif
107
108 static struct spi_board_info cam60_spi_devices[] = {
109 #if defined(CONFIG_MTD_DATAFLASH)
110 { /* DataFlash chip */
111 .modalias = "mtd_dataflash",
112 .chip_select = 0,
113 .max_speed_hz = 15 * 1000 * 1000,
114 .bus_num = 0,
115 .platform_data = &cam60_spi_flash_platform_data
116 },
117 #endif
118 };
119
120
121 /*
122 * MACB Ethernet device
123 */
124 static struct __initdata at91_eth_data cam60_macb_data = {
125 .phy_irq_pin = AT91_PIN_PB5,
126 .is_rmii = 0,
127 };
128
129
130 /*
131 * NAND Flash
132 */
133 static struct mtd_partition __initdata cam60_nand_partition[] = {
134 {
135 .name = "nand_fs",
136 .offset = 0,
137 .size = MTDPART_SIZ_FULL,
138 },
139 };
140
141 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
142 {
143 *num_partitions = ARRAY_SIZE(cam60_nand_partition);
144 return cam60_nand_partition;
145 }
146
147 static struct atmel_nand_data __initdata cam60_nand_data = {
148 .ale = 21,
149 .cle = 22,
150 // .det_pin = ... not there
151 .rdy_pin = AT91_PIN_PA9,
152 .enable_pin = AT91_PIN_PA7,
153 .partition_info = nand_partitions,
154 };
155
156 static struct sam9_smc_config __initdata cam60_nand_smc_config = {
157 .ncs_read_setup = 0,
158 .nrd_setup = 1,
159 .ncs_write_setup = 0,
160 .nwe_setup = 1,
161
162 .ncs_read_pulse = 3,
163 .nrd_pulse = 3,
164 .ncs_write_pulse = 3,
165 .nwe_pulse = 3,
166
167 .read_cycle = 5,
168 .write_cycle = 5,
169
170 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
171 .tdf_cycles = 2,
172 };
173
174 static void __init cam60_add_device_nand(void)
175 {
176 /* configure chip-select 3 (NAND) */
177 sam9_smc_configure(3, &cam60_nand_smc_config);
178
179 at91_add_device_nand(&cam60_nand_data);
180 }
181
182
183 static void __init cam60_board_init(void)
184 {
185 /* Serial */
186 at91_add_device_serial();
187 /* SPI */
188 at91_add_device_spi(cam60_spi_devices, ARRAY_SIZE(cam60_spi_devices));
189 /* Ethernet */
190 at91_add_device_eth(&cam60_macb_data);
191 /* USB Host */
192 /* enable USB power supply circuit */
193 at91_set_gpio_output(AT91_PIN_PB18, 1);
194 at91_add_device_usbh(&cam60_usbh_data);
195 /* NAND */
196 cam60_add_device_nand();
197 }
198
199 MACHINE_START(CAM60, "KwikByte CAM60")
200 /* Maintainer: KwikByte */
201 .phys_io = AT91_BASE_SYS,
202 .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
203 .boot_params = AT91_SDRAM_BASE + 0x100,
204 .timer = &at91sam926x_timer,
205 .map_io = cam60_map_io,
206 .init_irq = cam60_init_irq,
207 .init_machine = cam60_board_init,
208 MACHINE_END
209
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