Blackfin arch: initial supporting for BF548-EZKIT
[linux-2.6.git] / arch / blackfin / mach-bf561 / boards / ezkit.c
1 /*
2  * File:         arch/blackfin/mach-bf561/ezkit.c
3  * Based on:
4  * Author:
5  *
6  * Created:
7  * Description:
8  *
9  * Modified:
10  *               Copyright 2004-2006 Analog Devices Inc.
11  *
12  * Bugs:         Enter bugs at http://blackfin.uclinux.org/
13  *
14  * This program is free software; you can redistribute it and/or modify
15  * it under the terms of the GNU General Public License as published by
16  * the Free Software Foundation; either version 2 of the License, or
17  * (at your option) any later version.
18  *
19  * This program is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
22  * GNU General Public License for more details.
23  *
24  * You should have received a copy of the GNU General Public License
25  * along with this program; if not, see the file COPYING, or write
26  * to the Free Software Foundation, Inc.,
27  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
28  */
29
30 #include <linux/device.h>
31 #include <linux/platform_device.h>
32 #include <linux/spi/spi.h>
33 #include <asm/irq.h>
34 #include <asm/bfin5xx_spi.h>
35 #include <linux/interrupt.h>
36 #include <linux/irq.h>
37
38 /*
39  * Name the Board for the /proc/cpuinfo
40  */
41 char *bfin_board_name = "ADDS-BF561-EZKIT";
42
43 #define ISP1761_BASE       0x2C0F0000
44 #define ISP1761_IRQ        IRQ_PF10
45
46 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
47 static struct resource bfin_isp1761_resources[] = {
48         [0] = {
49                 .name   = "isp1761-regs",
50                 .start  = ISP1761_BASE + 0x00000000,
51                 .end    = ISP1761_BASE + 0x000fffff,
52                 .flags  = IORESOURCE_MEM,
53         },
54         [1] = {
55                 .start  = ISP1761_IRQ,
56                 .end    = ISP1761_IRQ,
57                 .flags  = IORESOURCE_IRQ,
58         },
59 };
60
61 static struct platform_device bfin_isp1761_device = {
62         .name           = "isp1761",
63         .id             = 0,
64         .num_resources  = ARRAY_SIZE(bfin_isp1761_resources),
65         .resource       = bfin_isp1761_resources,
66 };
67
68 static struct platform_device *bfin_isp1761_devices[] = {
69         &bfin_isp1761_device,
70 };
71
72 int __init bfin_isp1761_init(void)
73 {
74         unsigned int num_devices=ARRAY_SIZE(bfin_isp1761_devices);
75
76         printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
77         set_irq_type(ISP1761_IRQ, IRQF_TRIGGER_FALLING);
78
79         return platform_add_devices(bfin_isp1761_devices, num_devices);
80 }
81
82 void __exit bfin_isp1761_exit(void)
83 {
84         platform_device_unregister(&bfin_isp1761_device);
85 }
86
87 arch_initcall(bfin_isp1761_init);
88 #endif
89
90 /*
91  *  USB-LAN EzExtender board
92  *  Driver needs to know address, irq and flag pin.
93  */
94 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
95 static struct resource smc91x_resources[] = {
96         {
97                 .name = "smc91x-regs",
98                 .start = 0x2C010300,
99                 .end = 0x2C010300 + 16,
100                 .flags = IORESOURCE_MEM,
101         },{
102
103                 .start = IRQ_PF9,
104                 .end = IRQ_PF9,
105                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
106         },
107 };
108
109 static struct platform_device smc91x_device = {
110         .name = "smc91x",
111         .id = 0,
112         .num_resources = ARRAY_SIZE(smc91x_resources),
113         .resource = smc91x_resources,
114 };
115 #endif
116
117 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
118 static struct resource bfin_uart_resources[] = {
119         {
120                 .start = 0xFFC00400,
121                 .end = 0xFFC004FF,
122                 .flags = IORESOURCE_MEM,
123         },
124 };
125
126 static struct platform_device bfin_uart_device = {
127         .name = "bfin-uart",
128         .id = 1,
129         .num_resources = ARRAY_SIZE(bfin_uart_resources),
130         .resource = bfin_uart_resources,
131 };
132 #endif
133
134 #ifdef CONFIG_SPI_BFIN
135 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
136         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
137 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
138         .enable_dma = 0,
139         .bits_per_word = 16,
140 };
141 #endif
142 #endif
143
144 /* SPI controller data */
145 static struct bfin5xx_spi_master spi_bfin_master_info = {
146         .num_chipselect = 8,
147         .enable_dma = 1,  /* master has the ability to do dma transfer */
148 };
149
150 static struct platform_device spi_bfin_master_device = {
151         .name = "bfin-spi-master",
152         .id = 1, /* Bus number */
153         .dev = {
154                 .platform_data = &spi_bfin_master_info, /* Passed to driver */
155         },
156 };
157
158 static struct spi_board_info bfin_spi_board_info[] __initdata = {
159 #if defined(CONFIG_SND_BLACKFIN_AD1836) \
160         || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
161         {
162                 .modalias = "ad1836-spi",
163                 .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
164                 .bus_num = 1,
165                 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
166                 .controller_data = &ad1836_spi_chip_info,
167         },
168 #endif
169 };
170
171 static struct platform_device *ezkit_devices[] __initdata = {
172 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
173         &smc91x_device,
174 #endif
175 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
176         &spi_bfin_master_device,
177 #endif
178 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
179         &bfin_uart_device,
180 #endif
181 };
182
183 static int __init ezkit_init(void)
184 {
185         int ret;
186
187         printk(KERN_INFO "%s(): registering device resources\n", __func__);
188
189         ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
190         if (ret < 0)
191                 return ret;
192
193 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
194         bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
195         SSYNC();
196 #endif
197
198         return spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
199 }
200
201 arch_initcall(ezkit_init);