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ip0x.c
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1 /*
2  * Copyright 2004-2009 Analog Devices Inc.
3  * 2007 David Rowe
4  * 2006 Intratrade Ltd.
5  * Ivan Danov <[email protected]>
6  * 2005 National ICT Australia (NICTA)
7  * Aidan Williams <[email protected]>
8  *
9  * Licensed under the GPL-2 or later.
10  */
11 
12 #include <linux/device.h>
13 #include <linux/platform_device.h>
14 #include <linux/mtd/mtd.h>
15 #include <linux/mtd/partitions.h>
16 #include <linux/spi/spi.h>
17 #include <linux/spi/flash.h>
18 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
19 #include <linux/usb/isp1362.h>
20 #endif
21 #include <asm/irq.h>
22 #include <asm/dma.h>
23 #include <asm/bfin5xx_spi.h>
24 #include <asm/portmux.h>
25 
26 /*
27  * Name the Board for the /proc/cpuinfo
28  */
29 const char bfin_board_name[] = "IP04/IP08";
30 
31 /*
32  * Driver needs to know address, irq and flag pin.
33  */
34 #if defined(CONFIG_BFIN532_IP0X)
35 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
36 
37 #include <linux/dm9000.h>
38 
39 static struct resource dm9000_resource1[] = {
40  {
41  .start = 0x20100000,
42  .end = 0x20100000 + 1,
43  .flags = IORESOURCE_MEM
44  },{
45  .start = 0x20100000 + 2,
46  .end = 0x20100000 + 3,
47  .flags = IORESOURCE_MEM
48  },{
49  .start = IRQ_PF15,
50  .end = IRQ_PF15,
52  }
53 };
54 
55 static struct resource dm9000_resource2[] = {
56  {
57  .start = 0x20200000,
58  .end = 0x20200000 + 1,
59  .flags = IORESOURCE_MEM
60  },{
61  .start = 0x20200000 + 2,
62  .end = 0x20200000 + 3,
63  .flags = IORESOURCE_MEM
64  },{
65  .start = IRQ_PF14,
66  .end = IRQ_PF14,
68  }
69 };
70 
71 /*
72 * for the moment we limit ourselves to 16bit IO until some
73 * better IO routines can be written and tested
74 */
75 static struct dm9000_plat_data dm9000_platdata1 = {
77 };
78 
79 static struct platform_device dm9000_device1 = {
80  .name = "dm9000",
81  .id = 0,
82  .num_resources = ARRAY_SIZE(dm9000_resource1),
83  .resource = dm9000_resource1,
84  .dev = {
85  .platform_data = &dm9000_platdata1,
86  }
87 };
88 
89 static struct dm9000_plat_data dm9000_platdata2 = {
91 };
92 
93 static struct platform_device dm9000_device2 = {
94  .name = "dm9000",
95  .id = 1,
96  .num_resources = ARRAY_SIZE(dm9000_resource2),
97  .resource = dm9000_resource2,
98  .dev = {
99  .platform_data = &dm9000_platdata2,
100  }
101 };
102 
103 #endif
104 #endif
105 
106 
107 #if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
108 /* all SPI peripherals info goes here */
109 
110 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
111 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
112  .enable_dma = 0, /* if 1 - block!!! */
113 };
114 #endif
115 
116 /* Notice: for blackfin, the speed_hz is the value of register
117  * SPI_BAUD, not the real baudrate */
118 static struct spi_board_info bfin_spi_board_info[] __initdata = {
119 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
120  {
121  .modalias = "mmc_spi",
122  .max_speed_hz = 2,
123  .bus_num = 1,
124  .chip_select = 5,
125  .controller_data = &mmc_spi_chip_info,
126  },
127 #endif
128 };
129 
130 /* SPI controller data */
131 static struct bfin5xx_spi_master spi_bfin_master_info = {
132  .num_chipselect = 8,
133  .enable_dma = 1, /* master has the ability to do dma transfer */
134 };
135 
136 static struct platform_device spi_bfin_master_device = {
137  .name = "bfin-spi-master",
138  .id = 1, /* Bus number */
139  .dev = {
140  .platform_data = &spi_bfin_master_info, /* Passed to driver */
141  },
142 };
143 #endif /* spi master and devices */
144 
145 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
146 #ifdef CONFIG_SERIAL_BFIN_UART0
147 static struct resource bfin_uart0_resources[] = {
148  {
149  .start = BFIN_UART_THR,
150  .end = BFIN_UART_GCTL+2,
151  .flags = IORESOURCE_MEM,
152  },
153  {
154  .start = IRQ_UART0_TX,
155  .end = IRQ_UART0_TX,
156  .flags = IORESOURCE_IRQ,
157  },
158  {
159  .start = IRQ_UART0_RX,
160  .end = IRQ_UART0_RX,
161  .flags = IORESOURCE_IRQ,
162  },
163  {
164  .start = IRQ_UART0_ERROR,
165  .end = IRQ_UART0_ERROR,
166  .flags = IORESOURCE_IRQ,
167  },
168  {
169  .start = CH_UART0_TX,
170  .end = CH_UART0_TX,
171  .flags = IORESOURCE_DMA,
172  },
173  {
174  .start = CH_UART0_RX,
175  .end = CH_UART0_RX,
176  .flags = IORESOURCE_DMA,
177  },
178 };
179 
180 static unsigned short bfin_uart0_peripherals[] = {
182 };
183 
184 static struct platform_device bfin_uart0_device = {
185  .name = "bfin-uart",
186  .id = 0,
187  .num_resources = ARRAY_SIZE(bfin_uart0_resources),
188  .resource = bfin_uart0_resources,
189  .dev = {
190  .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
191  },
192 };
193 #endif
194 #endif
195 
196 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
197 #ifdef CONFIG_BFIN_SIR0
198 static struct resource bfin_sir0_resources[] = {
199  {
200  .start = 0xFFC00400,
201  .end = 0xFFC004FF,
202  .flags = IORESOURCE_MEM,
203  },
204  {
205  .start = IRQ_UART0_RX,
206  .end = IRQ_UART0_RX+1,
207  .flags = IORESOURCE_IRQ,
208  },
209  {
210  .start = CH_UART0_RX,
211  .end = CH_UART0_RX+1,
212  .flags = IORESOURCE_DMA,
213  },
214 };
215 
216 static struct platform_device bfin_sir0_device = {
217  .name = "bfin_sir",
218  .id = 0,
219  .num_resources = ARRAY_SIZE(bfin_sir0_resources),
220  .resource = bfin_sir0_resources,
221 };
222 #endif
223 #endif
224 
225 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
226 static struct resource isp1362_hcd_resources[] = {
227  {
228  .start = 0x20300000,
229  .end = 0x20300000 + 1,
230  .flags = IORESOURCE_MEM,
231  },{
232  .start = 0x20300000 + 2,
233  .end = 0x20300000 + 3,
234  .flags = IORESOURCE_MEM,
235  },{
236  .start = IRQ_PF11,
237  .end = IRQ_PF11,
239  },
240 };
241 
242 static struct isp1362_platform_data isp1362_priv = {
243  .sel15Kres = 1,
244  .clknotstop = 0,
245  .oc_enable = 0, /* external OC */
246  .int_act_high = 0,
247  .int_edge_triggered = 0,
248  .remote_wakeup_connected = 0,
249  .no_power_switching = 1,
250  .power_switching_mode = 0,
251 };
252 
253 static struct platform_device isp1362_hcd_device = {
254  .name = "isp1362-hcd",
255  .id = 0,
256  .dev = {
257  .platform_data = &isp1362_priv,
258  },
259  .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
260  .resource = isp1362_hcd_resources,
261 };
262 #endif
263 
264 
265 static struct platform_device *ip0x_devices[] __initdata = {
266 #if defined(CONFIG_BFIN532_IP0X)
267 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
268  &dm9000_device1,
269  &dm9000_device2,
270 #endif
271 #endif
272 
273 #if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
274  &spi_bfin_master_device,
275 #endif
276 
277 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
278 #ifdef CONFIG_SERIAL_BFIN_UART0
279  &bfin_uart0_device,
280 #endif
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  printk(KERN_INFO "%s(): registering device resources\n", __func__);
297  platform_add_devices(ip0x_devices, ARRAY_SIZE(ip0x_devices));
298 
299  spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
300 
301  return 0;
302 }
303 
304 arch_initcall(ip0x_init);
305 
306 static struct platform_device *ip0x_early_devices[] __initdata = {
307 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
308 #ifdef CONFIG_SERIAL_BFIN_UART0
309  &bfin_uart0_device,
310 #endif
311 #endif
312 };
313 
315 {
316  printk(KERN_INFO "register early platform devices\n");
317  early_platform_add_devices(ip0x_early_devices,
318  ARRAY_SIZE(ip0x_early_devices));
319 }