Blackfin: fix bug found by traps test case 21
[linux-2.6.git] / arch / blackfin / mach-bf533 / boards / ip0x.c
1 /*
2  * File:         arch/blackfin/mach-bf533/ip0x.c
3  * Based on:     arch/blackfin/mach-bf533/bf1.c
4  * Based on:     arch/blackfin/mach-bf533/stamp.c
5  * Author:       Ivan Danov <idanov@gmail.com>
6  *               Modified for IP0X David Rowe
7  *
8  * Created:      2007
9  * Description:  Board info file for the IP04/IP08 boards, which
10  *               are derived from the BlackfinOne V2.0 boards.
11  *
12  * Modified:
13  *               COpyright 2007 David Rowe
14  *               Copyright 2006 Intratrade Ltd.
15  *               Copyright 2005 National ICT Australia (NICTA)
16  *               Copyright 2004-2006 Analog Devices Inc.
17  *
18  * This program is free software; you can redistribute it and/or modify
19  * it under the terms of the GNU General Public License as published by
20  * the Free Software Foundation; either version 2 of the License, or
21  * (at your option) any later version.
22  *
23  * This program is distributed in the hope that it will be useful,
24  * but WITHOUT ANY WARRANTY; without even the implied warranty of
25  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
26  * GNU General Public License for more details.
27  *
28  * You should have received a copy of the GNU General Public License
29  * along with this program; if not, see the file COPYING, or write
30  * to the Free Software Foundation, Inc.,
31  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
32  */
33
34 #include <linux/device.h>
35 #include <linux/platform_device.h>
36 #include <linux/mtd/mtd.h>
37 #include <linux/mtd/partitions.h>
38 #include <linux/spi/spi.h>
39 #include <linux/spi/flash.h>
40 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
41 #include <linux/usb/isp1362.h>
42 #endif
43 #include <asm/irq.h>
44 #include <asm/bfin5xx_spi.h>
45
46 /*
47  * Name the Board for the /proc/cpuinfo
48  */
49 const char bfin_board_name[] = "IP04/IP08";
50
51 /*
52  *  Driver needs to know address, irq and flag pin.
53  */
54 #if defined(CONFIG_BFIN532_IP0X)
55 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
56
57 #include <linux/dm9000.h>
58
59 static struct resource dm9000_resource1[] = {
60         {
61                 .start = 0x20100000,
62                 .end   = 0x20100000 + 1,
63                 .flags = IORESOURCE_MEM
64         },{
65                 .start = 0x20100000 + 2,
66                 .end   = 0x20100000 + 3,
67                 .flags = IORESOURCE_MEM
68         },{
69                 .start = IRQ_PF15,
70                 .end   = IRQ_PF15,
71                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE
72         }
73 };
74
75 static struct resource dm9000_resource2[] = {
76         {
77                 .start = 0x20200000,
78                 .end   = 0x20200000 + 1,
79                 .flags = IORESOURCE_MEM
80         },{
81                 .start = 0x20200000 + 2,
82                 .end   = 0x20200000 + 3,
83                 .flags = IORESOURCE_MEM
84         },{
85                 .start = IRQ_PF14,
86                 .end   = IRQ_PF14,
87                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE
88         }
89 };
90
91 /*
92 * for the moment we limit ourselves to 16bit IO until some
93 * better IO routines can be written and tested
94 */
95 static struct dm9000_plat_data dm9000_platdata1 = {
96         .flags          = DM9000_PLATF_16BITONLY,
97 };
98
99 static struct platform_device dm9000_device1 = {
100         .name           = "dm9000",
101         .id             = 0,
102         .num_resources  = ARRAY_SIZE(dm9000_resource1),
103         .resource       = dm9000_resource1,
104         .dev            = {
105                 .platform_data = &dm9000_platdata1,
106         }
107 };
108
109 static struct dm9000_plat_data dm9000_platdata2 = {
110         .flags          = DM9000_PLATF_16BITONLY,
111 };
112
113 static struct platform_device dm9000_device2 = {
114         .name           = "dm9000",
115         .id             = 1,
116         .num_resources  = ARRAY_SIZE(dm9000_resource2),
117         .resource       = dm9000_resource2,
118         .dev            = {
119                 .platform_data = &dm9000_platdata2,
120         }
121 };
122
123 #endif
124 #endif
125
126
127 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
128 /* all SPI peripherals info goes here */
129
130 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
131 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
132 /*
133  * CPOL (Clock Polarity)
134  *  0 - Active high SCK
135  *  1 - Active low SCK
136  *  CPHA (Clock Phase) Selects transfer format and operation mode
137  *  0 - SCLK toggles from middle of the first data bit, slave select
138  *      pins controlled by hardware.
139  *  1 - SCLK toggles from beginning of first data bit, slave select
140  *      pins controller by user software.
141  *      .ctl_reg = 0x1c00,               *  CPOL=1,CPHA=1,Sandisk 1G work
142  * NO NO        .ctl_reg = 0x1800,               *  CPOL=1,CPHA=0
143  * NO NO        .ctl_reg = 0x1400,               *  CPOL=0,CPHA=1
144  */
145         .ctl_reg = 0x1000,              /* CPOL=0,CPHA=0,Sandisk 1G work */
146         .enable_dma = 0,                /* if 1 - block!!! */
147         .bits_per_word = 8,
148         .cs_change_per_word = 0,
149 };
150 #endif
151
152 /* Notice: for blackfin, the speed_hz is the value of register
153  * SPI_BAUD, not the real baudrate */
154 static struct spi_board_info bfin_spi_board_info[] __initdata = {
155 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
156         {
157                 .modalias = "mmc_spi",
158                 .max_speed_hz = 2,
159                 .bus_num = 1,
160                 .chip_select = 5,
161                 .controller_data = &mmc_spi_chip_info,
162         },
163 #endif
164 };
165
166 /* SPI controller data */
167 static struct bfin5xx_spi_master spi_bfin_master_info = {
168         .num_chipselect = 8,
169         .enable_dma = 1,  /* master has the ability to do dma transfer */
170 };
171
172 static struct platform_device spi_bfin_master_device = {
173         .name = "bfin-spi-master",
174         .id = 1, /* Bus number */
175         .dev = {
176                 .platform_data = &spi_bfin_master_info, /* Passed to driver */
177         },
178 };
179 #endif  /* spi master and devices */
180
181 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
182 static struct resource bfin_uart_resources[] = {
183         {
184                 .start = 0xFFC00400,
185                 .end = 0xFFC004FF,
186                 .flags = IORESOURCE_MEM,
187         },
188 };
189
190 static struct platform_device bfin_uart_device = {
191         .name = "bfin-uart",
192         .id = 1,
193         .num_resources = ARRAY_SIZE(bfin_uart_resources),
194         .resource = bfin_uart_resources,
195 };
196 #endif
197
198 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
199 #ifdef CONFIG_BFIN_SIR0
200 static struct resource bfin_sir0_resources[] = {
201         {
202                 .start = 0xFFC00400,
203                 .end = 0xFFC004FF,
204                 .flags = IORESOURCE_MEM,
205         },
206         {
207                 .start = IRQ_UART0_RX,
208                 .end = IRQ_UART0_RX+1,
209                 .flags = IORESOURCE_IRQ,
210         },
211         {
212                 .start = CH_UART0_RX,
213                 .end = CH_UART0_RX+1,
214                 .flags = IORESOURCE_DMA,
215         },
216 };
217
218 static struct platform_device bfin_sir0_device = {
219         .name = "bfin_sir",
220         .id = 0,
221         .num_resources = ARRAY_SIZE(bfin_sir0_resources),
222         .resource = bfin_sir0_resources,
223 };
224 #endif
225 #endif
226
227 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
228 static struct resource isp1362_hcd_resources[] = {
229         {
230                 .start = 0x20300000,
231                 .end   = 0x20300000 + 1,
232                 .flags = IORESOURCE_MEM,
233         },{
234                 .start = 0x20300000 + 2,
235                 .end   = 0x20300000 + 3,
236                 .flags = IORESOURCE_MEM,
237         },{
238                 .start = IRQ_PF11,
239                 .end   = IRQ_PF11,
240                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
241         },
242 };
243
244 static struct isp1362_platform_data isp1362_priv = {
245         .sel15Kres = 1,
246         .clknotstop = 0,
247         .oc_enable = 0,         /* external OC */
248         .int_act_high = 0,
249         .int_edge_triggered = 0,
250         .remote_wakeup_connected = 0,
251         .no_power_switching = 1,
252         .power_switching_mode = 0,
253 };
254
255 static struct platform_device isp1362_hcd_device = {
256         .name = "isp1362-hcd",
257         .id = 0,
258         .dev = {
259                 .platform_data = &isp1362_priv,
260         },
261         .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
262         .resource = isp1362_hcd_resources,
263 };
264 #endif
265
266
267 static struct platform_device *ip0x_devices[] __initdata = {
268 #if defined(CONFIG_BFIN532_IP0X)
269 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
270         &dm9000_device1,
271         &dm9000_device2,
272 #endif
273 #endif
274
275 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
276         &spi_bfin_master_device,
277 #endif
278
279 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
280         &bfin_uart_device,
281 #endif
282
283 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
284 #ifdef CONFIG_BFIN_SIR0
285         &bfin_sir0_device,
286 #endif
287 #endif
288
289 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
290         &isp1362_hcd_device,
291 #endif
292 };
293
294 static int __init ip0x_init(void)
295 {
296         int i;
297
298         printk(KERN_INFO "%s(): registering device resources\n", __func__);
299         platform_add_devices(ip0x_devices, ARRAY_SIZE(ip0x_devices));
300
301 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
302         for (i = 0; i < ARRAY_SIZE(bfin_spi_board_info); ++i) {
303                 int j = 1 << bfin_spi_board_info[i].chip_select;
304                 /* set spi cs to 1 */
305                 bfin_write_FIO_DIR(bfin_read_FIO_DIR() | j);
306                 bfin_write_FIO_FLAG_S(j);
307         }
308         spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
309 #endif
310
311         return 0;
312 }
313
314 arch_initcall(ip0x_init);