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Blackfin arch: add SPI MMC driver support on bf533-stamp, tested on STAMP-BF533
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1 /*
2 * File: arch/blackfin/mach-bf533/stamp.c
3 * Based on: arch/blackfin/mach-bf533/ezkit.c
4 * Author: Aidan Williams <aidan@nicta.com.au>
5 *
6 * Created: 2005
7 * Description: Board Info File for the BF533-STAMP
8 *
9 * Modified:
10 * Copyright 2005 National ICT Australia (NICTA)
11 * Copyright 2004-2006 Analog Devices Inc.
12 *
13 * Bugs: Enter bugs at http://blackfin.uclinux.org/
14 *
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation; either version 2 of the License, or
18 * (at your option) any later version.
19 *
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 *
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, see the file COPYING, or write
27 * to the Free Software Foundation, Inc.,
28 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
29 */
30
31 #include <linux/device.h>
32 #include <linux/platform_device.h>
33 #include <linux/mtd/mtd.h>
34 #include <linux/mtd/partitions.h>
35 #include <linux/spi/spi.h>
36 #include <linux/spi/flash.h>
37 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
38 #include <linux/usb_isp1362.h>
39 #endif
40 #include <asm/irq.h>
41 #include <asm/bfin5xx_spi.h>
42
43 /*
44 * Name the Board for the /proc/cpuinfo
45 */
46 char *bfin_board_name = "ADDS-BF533-STAMP";
47
48 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
49 static struct platform_device rtc_device = {
50 .name = "rtc-bfin",
51 .id = -1,
52 };
53 #endif
54
55 /*
56 * Driver needs to know address, irq and flag pin.
57 */
58 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
59 static struct resource smc91x_resources[] = {
60 {
61 .name = "smc91x-regs",
62 .start = 0x20300300,
63 .end = 0x20300300 + 16,
64 .flags = IORESOURCE_MEM,
65 },{
66 .start = IRQ_PF7,
67 .end = IRQ_PF7,
68 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
69 },
70 };
71
72 static struct platform_device smc91x_device = {
73 .name = "smc91x",
74 .id = 0,
75 .num_resources = ARRAY_SIZE(smc91x_resources),
76 .resource = smc91x_resources,
77 };
78 #endif
79
80 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
81 static struct resource net2272_bfin_resources[] = {
82 {
83 .start = 0x20300000,
84 .end = 0x20300000 + 0x100,
85 .flags = IORESOURCE_MEM,
86 },{
87 .start = IRQ_PF10,
88 .end = IRQ_PF10,
89 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
90 },
91 };
92
93 static struct platform_device net2272_bfin_device = {
94 .name = "net2272",
95 .id = -1,
96 .num_resources = ARRAY_SIZE(net2272_bfin_resources),
97 .resource = net2272_bfin_resources,
98 };
99 #endif
100
101 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
102 /* all SPI peripherals info goes here */
103
104 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
105 static struct mtd_partition bfin_spi_flash_partitions[] = {
106 {
107 .name = "bootloader",
108 .size = 0x00020000,
109 .offset = 0,
110 .mask_flags = MTD_CAP_ROM
111 },{
112 .name = "kernel",
113 .size = 0xe0000,
114 .offset = 0x20000
115 },{
116 .name = "file system",
117 .size = 0x700000,
118 .offset = 0x00100000,
119 }
120 };
121
122 static struct flash_platform_data bfin_spi_flash_data = {
123 .name = "m25p80",
124 .parts = bfin_spi_flash_partitions,
125 .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
126 .type = "m25p64",
127 };
128
129 /* SPI flash chip (m25p64) */
130 static struct bfin5xx_spi_chip spi_flash_chip_info = {
131 .enable_dma = 0, /* use dma transfer with this chip*/
132 .bits_per_word = 8,
133 };
134 #endif
135
136 #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
137 /* SPI ADC chip */
138 static struct bfin5xx_spi_chip spi_adc_chip_info = {
139 .enable_dma = 1, /* use dma transfer with this chip*/
140 .bits_per_word = 16,
141 };
142 #endif
143
144 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
145 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
146 .enable_dma = 0,
147 .bits_per_word = 16,
148 };
149 #endif
150
151 #if defined(CONFIG_PBX)
152 static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
153 .ctl_reg = 0x4, /* send zero */
154 .enable_dma = 0,
155 .bits_per_word = 8,
156 .cs_change_per_word = 1,
157 };
158 #endif
159
160 #if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
161 static struct bfin5xx_spi_chip ad5304_chip_info = {
162 .enable_dma = 0,
163 .bits_per_word = 16,
164 };
165 #endif
166
167 #if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
168 static struct bfin5xx_spi_chip spi_mmc_chip_info = {
169 .enable_dma = 1,
170 .bits_per_word = 8,
171 };
172 #endif
173
174 static struct spi_board_info bfin_spi_board_info[] __initdata = {
175 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
176 {
177 /* the modalias must be the same as spi device driver name */
178 .modalias = "m25p80", /* Name of spi_driver for this device */
179 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
180 .bus_num = 1, /* Framework bus number */
181 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
182 .platform_data = &bfin_spi_flash_data,
183 .controller_data = &spi_flash_chip_info,
184 .mode = SPI_MODE_3,
185 },
186 #endif
187
188 #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
189 {
190 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
191 .max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */
192 .bus_num = 1, /* Framework bus number */
193 .chip_select = 1, /* Framework chip select. */
194 .platform_data = NULL, /* No spi_driver specific config */
195 .controller_data = &spi_adc_chip_info,
196 },
197 #endif
198
199 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
200 {
201 .modalias = "ad1836-spi",
202 .max_speed_hz = 31250000, /* max spi clock (SCK) speed in HZ */
203 .bus_num = 1,
204 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
205 .controller_data = &ad1836_spi_chip_info,
206 },
207 #endif
208
209 #if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
210 {
211 .modalias = "spi_mmc_dummy",
212 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
213 .bus_num = 1,
214 .chip_select = 0,
215 .platform_data = NULL,
216 .controller_data = &spi_mmc_chip_info,
217 .mode = SPI_MODE_3,
218 },
219 {
220 .modalias = "spi_mmc",
221 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
222 .bus_num = 1,
223 .chip_select = CONFIG_SPI_MMC_CS_CHAN,
224 .platform_data = NULL,
225 .controller_data = &spi_mmc_chip_info,
226 .mode = SPI_MODE_3,
227 },
228 #endif
229
230 #if defined(CONFIG_PBX)
231 {
232 .modalias = "fxs-spi",
233 .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
234 .bus_num = 1,
235 .chip_select = 3,
236 .controller_data= &spi_si3xxx_chip_info,
237 .mode = SPI_MODE_3,
238 },
239 {
240 .modalias = "fxo-spi",
241 .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
242 .bus_num = 1,
243 .chip_select = 2,
244 .controller_data= &spi_si3xxx_chip_info,
245 .mode = SPI_MODE_3,
246 },
247 #endif
248
249 #if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
250 {
251 .modalias = "ad5304_spi",
252 .max_speed_hz = 1000000, /* max spi clock (SCK) speed in HZ */
253 .bus_num = 1,
254 .chip_select = 2,
255 .platform_data = NULL,
256 .controller_data = &ad5304_chip_info,
257 .mode = SPI_MODE_2,
258 },
259 #endif
260 };
261
262 /* SPI controller data */
263 static struct bfin5xx_spi_master spi_bfin_master_info = {
264 .num_chipselect = 8,
265 .enable_dma = 1, /* master has the ability to do dma transfer */
266 };
267
268 static struct platform_device spi_bfin_master_device = {
269 .name = "bfin-spi-master",
270 .id = 1, /* Bus number */
271 .dev = {
272 .platform_data = &spi_bfin_master_info, /* Passed to driver */
273 },
274 };
275 #endif /* spi master and devices */
276
277 #if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
278 static struct platform_device bfin_fb_device = {
279 .name = "bf537-fb",
280 };
281 #endif
282
283 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
284 static struct resource bfin_uart_resources[] = {
285 {
286 .start = 0xFFC00400,
287 .end = 0xFFC004FF,
288 .flags = IORESOURCE_MEM,
289 },
290 };
291
292 static struct platform_device bfin_uart_device = {
293 .name = "bfin-uart",
294 .id = 1,
295 .num_resources = ARRAY_SIZE(bfin_uart_resources),
296 .resource = bfin_uart_resources,
297 };
298 #endif
299
300 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
301 static struct platform_device bfin_sport0_uart_device = {
302 .name = "bfin-sport-uart",
303 .id = 0,
304 };
305
306 static struct platform_device bfin_sport1_uart_device = {
307 .name = "bfin-sport-uart",
308 .id = 1,
309 };
310 #endif
311
312 static struct platform_device *stamp_devices[] __initdata = {
313 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
314 &rtc_device,
315 #endif
316
317 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
318 &smc91x_device,
319 #endif
320
321 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
322 &net2272_bfin_device,
323 #endif
324
325 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
326 &spi_bfin_master_device,
327 #endif
328
329 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
330 &bfin_uart_device,
331 #endif
332
333 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
334 &bfin_sport0_uart_device,
335 &bfin_sport1_uart_device,
336 #endif
337 };
338
339 static int __init stamp_init(void)
340 {
341 printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
342 platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
343 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
344 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
345 #endif
346 return 0;
347 }
348
349 arch_initcall(stamp_init);