Blackfin arch: fix bux - only reset the PC when necessary, otherwise gdb gets confused
[deliverable/linux.git] / arch / blackfin / mach-bf533 / boards / cm_bf533.c
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1/*
2 * File: arch/blackfin/mach-bf533/boards/cm_bf533.c
3 * Based on: arch/blackfin/mach-bf533/boards/ezkit.c
d2d50aa9 4 * Author: Aidan Williams <aidan@nicta.com.au> Copyright 2005
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5 *
6 * Created: 2005
7 * Description: Board description file
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/mtd/mtd.h>
33#include <linux/mtd/partitions.h>
34#include <linux/spi/spi.h>
35#include <linux/spi/flash.h>
36#include <linux/usb_isp1362.h>
c6c4d7bb 37#include <linux/pata_platform.h>
1f83b8f1 38#include <linux/irq.h>
c6c4d7bb 39#include <asm/dma.h>
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40#include <asm/bfin5xx_spi.h>
41
42/*
43 * Name the Board for the /proc/cpuinfo
44 */
066954a3 45const char bfin_board_name[] = "Bluetechnix CM BF533";
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46
47#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
48/* all SPI peripherals info goes here */
a15c2dcf 49#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
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50static struct mtd_partition bfin_spi_flash_partitions[] = {
51 {
52 .name = "bootloader",
53 .size = 0x00020000,
54 .offset = 0,
55 .mask_flags = MTD_CAP_ROM
1f83b8f1 56 }, {
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57 .name = "kernel",
58 .size = 0xe0000,
59 .offset = 0x20000
1f83b8f1 60 }, {
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61 .name = "file system",
62 .size = 0x700000,
63 .offset = 0x00100000,
64 }
65};
66
67static struct flash_platform_data bfin_spi_flash_data = {
68 .name = "m25p80",
69 .parts = bfin_spi_flash_partitions,
70 .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
71 .type = "m25p64",
72};
73
74/* SPI flash chip (m25p64) */
75static struct bfin5xx_spi_chip spi_flash_chip_info = {
76 .enable_dma = 0, /* use dma transfer with this chip*/
77 .bits_per_word = 8,
78};
a15c2dcf 79#endif
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80
81/* SPI ADC chip */
a15c2dcf 82#if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
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83static struct bfin5xx_spi_chip spi_adc_chip_info = {
84 .enable_dma = 1, /* use dma transfer with this chip*/
85 .bits_per_word = 16,
86};
a15c2dcf 87#endif
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88
89#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
90static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
91 .enable_dma = 0,
92 .bits_per_word = 16,
93};
94#endif
95
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96#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
97static struct bfin5xx_spi_chip spi_mmc_chip_info = {
98 .enable_dma = 1,
99 .bits_per_word = 8,
100};
101#endif
102
1394f032 103static struct spi_board_info bfin_spi_board_info[] __initdata = {
a15c2dcf 104#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
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105 {
106 /* the modalias must be the same as spi device driver name */
107 .modalias = "m25p80", /* Name of spi_driver for this device */
108 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
c6c4d7bb 109 .bus_num = 0, /* Framework bus number */
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110 .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
111 .platform_data = &bfin_spi_flash_data,
112 .controller_data = &spi_flash_chip_info,
113 .mode = SPI_MODE_3,
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114 },
115#endif
116
117#if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
118 {
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119 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
120 .max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */
c6c4d7bb 121 .bus_num = 0, /* Framework bus number */
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122 .chip_select = 2, /* Framework chip select. */
123 .platform_data = NULL, /* No spi_driver specific config */
124 .controller_data = &spi_adc_chip_info,
125 },
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126#endif
127
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128#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
129 {
130 .modalias = "ad1836-spi",
131 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
c6c4d7bb 132 .bus_num = 0,
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133 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
134 .controller_data = &ad1836_spi_chip_info,
135 },
136#endif
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137
138#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
139 {
140 .modalias = "spi_mmc_dummy",
141 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
142 .bus_num = 0,
143 .chip_select = 0,
144 .platform_data = NULL,
145 .controller_data = &spi_mmc_chip_info,
146 .mode = SPI_MODE_3,
147 },
148 {
149 .modalias = "spi_mmc",
150 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
151 .bus_num = 0,
152 .chip_select = CONFIG_SPI_MMC_CS_CHAN,
153 .platform_data = NULL,
154 .controller_data = &spi_mmc_chip_info,
155 .mode = SPI_MODE_3,
156 },
157#endif
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158};
159
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160/* SPI (0) */
161static struct resource bfin_spi0_resource[] = {
162 [0] = {
163 .start = SPI0_REGBASE,
164 .end = SPI0_REGBASE + 0xFF,
165 .flags = IORESOURCE_MEM,
166 },
167 [1] = {
168 .start = CH_SPI,
169 .end = CH_SPI,
170 .flags = IORESOURCE_IRQ,
171 }
172};
173
1394f032 174/* SPI controller data */
c6c4d7bb 175static struct bfin5xx_spi_master bfin_spi0_info = {
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176 .num_chipselect = 8,
177 .enable_dma = 1, /* master has the ability to do dma transfer */
178};
179
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180static struct platform_device bfin_spi0_device = {
181 .name = "bfin-spi",
182 .id = 0, /* Bus number */
183 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
184 .resource = bfin_spi0_resource,
1394f032 185 .dev = {
c6c4d7bb 186 .platform_data = &bfin_spi0_info, /* Passed to driver */
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187 },
188};
189#endif /* spi master and devices */
190
191#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
192static struct platform_device rtc_device = {
193 .name = "rtc-bfin",
194 .id = -1,
195};
196#endif
197
198#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
199static struct resource smc91x_resources[] = {
200 {
201 .start = 0x20200300,
202 .end = 0x20200300 + 16,
203 .flags = IORESOURCE_MEM,
1f83b8f1 204 }, {
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205 .start = IRQ_PF0,
206 .end = IRQ_PF0,
207 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
208 },
209};
210static struct platform_device smc91x_device = {
211 .name = "smc91x",
212 .id = 0,
213 .num_resources = ARRAY_SIZE(smc91x_resources),
214 .resource = smc91x_resources,
215};
216#endif
217
218#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
219static struct resource bfin_uart_resources[] = {
220 {
221 .start = 0xFFC00400,
222 .end = 0xFFC004FF,
223 .flags = IORESOURCE_MEM,
224 },
225};
226
227static struct platform_device bfin_uart_device = {
228 .name = "bfin-uart",
229 .id = 1,
230 .num_resources = ARRAY_SIZE(bfin_uart_resources),
231 .resource = bfin_uart_resources,
232};
233#endif
234
235#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
236static struct platform_device bfin_sport0_uart_device = {
237 .name = "bfin-sport-uart",
238 .id = 0,
239};
240
241static struct platform_device bfin_sport1_uart_device = {
242 .name = "bfin-sport-uart",
243 .id = 1,
244};
245#endif
246
247#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
248static struct resource isp1362_hcd_resources[] = {
249 {
250 .start = 0x20308000,
251 .end = 0x20308000,
252 .flags = IORESOURCE_MEM,
1f83b8f1 253 }, {
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254 .start = 0x20308004,
255 .end = 0x20308004,
256 .flags = IORESOURCE_MEM,
1f83b8f1 257 }, {
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258 .start = IRQ_PF4,
259 .end = IRQ_PF4,
260 .flags = IORESOURCE_IRQ,
261 },
262};
263
264static struct isp1362_platform_data isp1362_priv = {
265 .sel15Kres = 1,
266 .clknotstop = 0,
267 .oc_enable = 0,
268 .int_act_high = 0,
269 .int_edge_triggered = 0,
270 .remote_wakeup_connected = 0,
271 .no_power_switching = 1,
272 .power_switching_mode = 0,
273};
274
275static struct platform_device isp1362_hcd_device = {
276 .name = "isp1362-hcd",
277 .id = 0,
278 .dev = {
279 .platform_data = &isp1362_priv,
280 },
281 .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
282 .resource = isp1362_hcd_resources,
283};
284#endif
285
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286#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
287#define PATA_INT 38
288
289static struct pata_platform_info bfin_pata_platform_data = {
290 .ioport_shift = 2,
291 .irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
292};
293
294static struct resource bfin_pata_resources[] = {
295 {
296 .start = 0x2030C000,
297 .end = 0x2030C01F,
298 .flags = IORESOURCE_MEM,
299 },
300 {
301 .start = 0x2030D018,
302 .end = 0x2030D01B,
303 .flags = IORESOURCE_MEM,
304 },
305 {
306 .start = PATA_INT,
307 .end = PATA_INT,
308 .flags = IORESOURCE_IRQ,
309 },
310};
311
312static struct platform_device bfin_pata_device = {
313 .name = "pata_platform",
314 .id = -1,
315 .num_resources = ARRAY_SIZE(bfin_pata_resources),
316 .resource = bfin_pata_resources,
317 .dev = {
318 .platform_data = &bfin_pata_platform_data,
319 }
320};
321#endif
322
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323static struct platform_device *cm_bf533_devices[] __initdata = {
324#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
325 &bfin_uart_device,
326#endif
327
328#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
329 &bfin_sport0_uart_device,
330 &bfin_sport1_uart_device,
331#endif
332
333#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
334 &rtc_device,
335#endif
336
337#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
338 &isp1362_hcd_device,
339#endif
340
341#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
342 &smc91x_device,
343#endif
344
345#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
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346 &bfin_spi0_device,
347#endif
348
349#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
350 &bfin_pata_device,
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351#endif
352};
353
354static int __init cm_bf533_init(void)
355{
356 printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
357 platform_add_devices(cm_bf533_devices, ARRAY_SIZE(cm_bf533_devices));
358#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
359 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
360#endif
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361
362#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
363 irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
364#endif
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365 return 0;
366}
367
368arch_initcall(cm_bf533_init);
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