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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 */
46char *bfin_board_name = "ADDS-BF533-STAMP";
47
48#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
49static 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)
59static 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
72static 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)
81static 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
93static 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)
105static 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
122static 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) */
130static 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 */
138static 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)
145static 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)
152static 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)
161static struct bfin5xx_spi_chip ad5304_chip_info = {
162 .enable_dma = 0,
163 .bits_per_word = 16,
164};
165#endif
166
167static struct spi_board_info bfin_spi_board_info[] __initdata = {
168#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
169 {
170 /* the modalias must be the same as spi device driver name */
171 .modalias = "m25p80", /* Name of spi_driver for this device */
172 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
173 .bus_num = 1, /* Framework bus number */
174 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
175 .platform_data = &bfin_spi_flash_data,
176 .controller_data = &spi_flash_chip_info,
177 .mode = SPI_MODE_3,
178 },
179#endif
180
181#if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
182 {
183 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
184 .max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */
185 .bus_num = 1, /* Framework bus number */
186 .chip_select = 1, /* Framework chip select. */
187 .platform_data = NULL, /* No spi_driver specific config */
188 .controller_data = &spi_adc_chip_info,
189 },
190#endif
191
192#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
193 {
194 .modalias = "ad1836-spi",
195 .max_speed_hz = 31250000, /* max spi clock (SCK) speed in HZ */
196 .bus_num = 1,
197 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
198 .controller_data = &ad1836_spi_chip_info,
199 },
200#endif
201
202#if defined(CONFIG_PBX)
203 {
204 .modalias = "fxs-spi",
205 .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
206 .bus_num = 1,
207 .chip_select = 3,
208 .controller_data= &spi_si3xxx_chip_info,
209 .mode = SPI_MODE_3,
210 },
211 {
212 .modalias = "fxo-spi",
213 .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
214 .bus_num = 1,
215 .chip_select = 2,
216 .controller_data= &spi_si3xxx_chip_info,
217 .mode = SPI_MODE_3,
218 },
219#endif
220
221#if defined(CONFIG_AD5304) || defined(CONFIG_AD5304_MODULE)
222 {
223 .modalias = "ad5304_spi",
224 .max_speed_hz = 1000000, /* max spi clock (SCK) speed in HZ */
225 .bus_num = 1,
226 .chip_select = 2,
227 .platform_data = NULL,
228 .controller_data = &ad5304_chip_info,
229 .mode = SPI_MODE_2,
230 },
231#endif
232};
233
234/* SPI controller data */
235static struct bfin5xx_spi_master spi_bfin_master_info = {
236 .num_chipselect = 8,
237 .enable_dma = 1, /* master has the ability to do dma transfer */
238};
239
240static struct platform_device spi_bfin_master_device = {
241 .name = "bfin-spi-master",
242 .id = 1, /* Bus number */
243 .dev = {
244 .platform_data = &spi_bfin_master_info, /* Passed to driver */
245 },
246};
247#endif /* spi master and devices */
248
249#if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
250static struct platform_device bfin_fb_device = {
251 .name = "bf537-fb",
252};
253#endif
254
255#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
256static struct resource bfin_uart_resources[] = {
257 {
258 .start = 0xFFC00400,
259 .end = 0xFFC004FF,
260 .flags = IORESOURCE_MEM,
261 },
262};
263
264static struct platform_device bfin_uart_device = {
265 .name = "bfin-uart",
266 .id = 1,
267 .num_resources = ARRAY_SIZE(bfin_uart_resources),
268 .resource = bfin_uart_resources,
269};
270#endif
271
272#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
273static struct platform_device bfin_sport0_uart_device = {
274 .name = "bfin-sport-uart",
275 .id = 0,
276};
277
278static struct platform_device bfin_sport1_uart_device = {
279 .name = "bfin-sport-uart",
280 .id = 1,
281};
282#endif
283
284static struct platform_device *stamp_devices[] __initdata = {
285#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
286 &rtc_device,
287#endif
288
289#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
290 &smc91x_device,
291#endif
292
293#if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
294 &net2272_bfin_device,
295#endif
296
297#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
298 &spi_bfin_master_device,
299#endif
300
301#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
302 &bfin_uart_device,
303#endif
304
305#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
306 &bfin_sport0_uart_device,
307 &bfin_sport1_uart_device,
308#endif
309};
310
311static int __init stamp_init(void)
312{
313 printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
314 platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
315#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
316 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
317#endif
318 return 0;
319}
320
321arch_initcall(stamp_init);