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Blackfin arch: fix bux - only reset the PC when necessary, otherwise gdb gets confused
[deliverable/linux.git] / arch / blackfin / mach-bf533 / boards / H8606.c
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ab472a04
JH		 1/*
2 * File: arch/blackfin/mach-bf533/H8606.c
3 * Based on: arch/blackfin/mach-bf533/stamp.c
4 * Author: Javier Herrero <jherrero@hvsistemas.es>
5 *
6 * Created: 2007
7 * Description: Board Info File for the HV Sistemas H8606 board
8 *
9 * Modified:
10 * Copyright 2005 National ICT Australia (NICTA)
11 * Copyright 2004-2006 Analog Devices Inc
12 * Copyright 2007 HV Sistemas S.L.
13 *
14 * Bugs: Enter bugs at http://blackfin.uclinux.org/
15 *
16 * This program is free software; you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License as published by
18 * the Free Software Foundation; either version 2 of the License, or
19 * (at your option) any later version.
20 *
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 * GNU General Public License for more details.
25 *
26 * You should have received a copy of the GNU General Public License
27 * along with this program; if not, see the file COPYING, or write
28 * to the Free Software Foundation, Inc.,
29 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
30 */
31
32#include <linux/device.h>
33#include <linux/platform_device.h>
34#include <linux/mtd/mtd.h>
35#include <linux/mtd/partitions.h>
36#include <linux/spi/spi.h>
37#include <linux/spi/flash.h>
38#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
39#include <linux/usb_isp1362.h>
40#endif
41#include <linux/pata_platform.h>
42#include <linux/irq.h>
43#include <asm/dma.h>
44#include <asm/bfin5xx_spi.h>
45#include <asm/reboot.h>
46
47/*
48 * Name the Board for the /proc/cpuinfo
49 */
50const char bfin_board_name[] = "HV Sistemas H8606";
51
52#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_BFIN_MODULE)
53static struct platform_device rtc_device = {
54 .name = "rtc-bfin",
55 .id = -1,
56};
57#endif
58
59/*
60* Driver needs to know address, irq and flag pin.
61 */
62 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
63static struct resource dm9000_resources[] = {
64 [0] = {
65 .start = 0x20300000,
66 .end = 0x20300000 + 8,
67 .flags = IORESOURCE_MEM,
68 },
69 [1] = {
70 .start = IRQ_PF10,
71 .end = IRQ_PF10,
72 .flags = (IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE),
73 },
74};
75
76static struct platform_device dm9000_device = {
77 .id = 0,
78 .name = "dm9000",
79 .resource = dm9000_resources,
80 .num_resources = ARRAY_SIZE(dm9000_resources),
81};
82#endif
83
84#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
85static struct resource smc91x_resources[] = {
86 {
87 .name = "smc91x-regs",
88 .start = 0x20300300,
89 .end = 0x20300300 + 16,
90 .flags = IORESOURCE_MEM,
91 }, {
92 .start = IRQ_PROG_INTB,
93 .end = IRQ_PROG_INTB,
94 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
95 }, {
96 /*
97 * denotes the flag pin and is used directly if
98 * CONFIG_IRQCHIP_DEMUX_GPIO is defined.
99 */
100 .start = IRQ_PF7,
101 .end = IRQ_PF7,
102 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
103 },
104};
105
106static struct platform_device smc91x_device = {
107 .name = "smc91x",
108 .id = 0,
109 .num_resources = ARRAY_SIZE(smc91x_resources),
110 .resource = smc91x_resources,
111};
112#endif
113
114#if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
115static struct resource net2272_bfin_resources[] = {
116 {
117 .start = 0x20300000,
118 .end = 0x20300000 + 0x100,
119 .flags = IORESOURCE_MEM,
120 }, {
121 .start = IRQ_PF10,
122 .end = IRQ_PF10,
123 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
124 },
125};
126
127static struct platform_device net2272_bfin_device = {
128 .name = "net2272",
129 .id = -1,
130 .num_resources = ARRAY_SIZE(net2272_bfin_resources),
131 .resource = net2272_bfin_resources,
132};
133#endif
134
135#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
136/* all SPI peripherals info goes here */
137
138#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
139static struct mtd_partition bfin_spi_flash_partitions[] = {
140 {
141 .name = "bootloader",
142 .size = 0x00060000,
143 .offset = 0,
144 .mask_flags = MTD_CAP_ROM
145 }, {
146 .name = "kernel",
147 .size = 0x100000,
148 .offset = 0x60000
149 }, {
150 .name = "file system",
151 .size = 0x6a0000,
152 .offset = 0x00160000,
153 }
154};
155
156static struct flash_platform_data bfin_spi_flash_data = {
157 .name = "m25p80",
158 .parts = bfin_spi_flash_partitions,
159 .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
160 .type = "m25p64",
161};
162
163/* SPI flash chip (m25p64) */
164static struct bfin5xx_spi_chip spi_flash_chip_info = {
165 .enable_dma = 0, /* use dma transfer with this chip*/
166 .bits_per_word = 8,
167};
168#endif
169
170#if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
171/* SPI ADC chip */
172static struct bfin5xx_spi_chip spi_adc_chip_info = {
173 .ctl_reg = 0x1000,
174 .enable_dma = 1, /* use dma transfer with this chip*/
175 .bits_per_word = 16,
176};
177#endif
178
179#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
180static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
181 .ctl_reg = 0x1000,
182 .enable_dma = 0,
183 .bits_per_word = 16,
184};
185#endif
186
187#if defined(CONFIG_PBX)
188static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
189 .ctl_reg = 0x1c04,
190 .enable_dma = 0,
191 .bits_per_word = 8,
192 .cs_change_per_word = 1,
193};
194#endif
195
196/* Notice: for blackfin, the speed_hz is the value of register
197 * SPI_BAUD, not the real baudrate */
198static struct spi_board_info bfin_spi_board_info[] __initdata = {
199#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
200 {
201 /* the modalias must be the same as spi device driver name */
202 .modalias = "m25p80", /* Name of spi_driver for this device */
203 /* this value is the baudrate divisor */
204 .max_speed_hz = 50000000, /* actual baudrate is SCLK/(2xspeed_hz) */
205 .bus_num = 0, /* Framework bus number */
206 .chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
207 .platform_data = &bfin_spi_flash_data,
208 .controller_data = &spi_flash_chip_info,
209 .mode = SPI_MODE_3,
210 },
211#endif
212
213#if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
214 {
215 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
216 .max_speed_hz = 4, /* actual baudrate is SCLK/(2xspeed_hz) */
217 .bus_num = 1, /* Framework bus number */
218 .chip_select = 1, /* Framework chip select. */
219 .platform_data = NULL, /* No spi_driver specific config */
220 .controller_data = &spi_adc_chip_info,
221 },
222#endif
223
224#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
225 {
226 .modalias = "ad1836-spi",
227 .max_speed_hz = 16,
228 .bus_num = 1,
229 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
230 .controller_data = &ad1836_spi_chip_info,
231 },
232#endif
233
234#if defined(CONFIG_PBX)
235 {
236 .modalias = "fxs-spi",
237 .max_speed_hz = 4,
238 .bus_num = 1,
239 .chip_select = 3,
240 .controller_data = &spi_si3xxx_chip_info,
241 },
242
243 {
244 .modalias = "fxo-spi",
245 .max_speed_hz = 4,
246 .bus_num = 1,
247 .chip_select = 2,
248 .controller_data = &spi_si3xxx_chip_info,
249 },
250#endif
251};
252
253/* SPI (0) */
254static struct resource bfin_spi0_resource[] = {
255 [0] = {
256 .start = SPI0_REGBASE,
257 .end = SPI0_REGBASE + 0xFF,
258 .flags = IORESOURCE_MEM,
259 },
260 [1] = {
261 .start = CH_SPI,
262 .end = CH_SPI,
263 .flags = IORESOURCE_IRQ,
264 }
265};
266
267
268/* SPI controller data */
269static struct bfin5xx_spi_master bfin_spi0_info = {
270 .num_chipselect = 8,
271 .enable_dma = 1, /* master has the ability to do dma transfer */
272};
273
274static struct platform_device bfin_spi0_device = {
275 .name = "bfin-spi",
276 .id = 0, /* Bus number */
277 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
278 .resource = bfin_spi0_resource,
279 .dev = {
280 .platform_data = &bfin_spi0_info, /* Passed to driver */
281 },
282};
283#endif /* spi master and devices */
284
285#if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
286static struct platform_device bfin_fb_device = {
287 .name = "bf537-fb",
288};
289#endif
290
291#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
292static struct resource bfin_uart_resources[] = {
293 {
294 .start = 0xFFC00400,
295 .end = 0xFFC004FF,
296 .flags = IORESOURCE_MEM,
297 },
298};
299
300static struct platform_device bfin_uart_device = {
301 .name = "bfin-uart",
302 .id = 1,
303 .num_resources = ARRAY_SIZE(bfin_uart_resources),
304 .resource = bfin_uart_resources,
305};
306#endif
307
308static struct platform_device *stamp_devices[] __initdata = {
309#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
310 &rtc_device,
311#endif
312
313#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)
314 &dm9000_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 &bfin_spi0_device,
327#endif
328
329#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
330 &bfin_uart_device,
331#endif
332};
333
334static int __init H8606_init(void)
335{
336 printk(KERN_INFO "HV Sistemas H8606 board support by http://www.hvsistemas.com\n");
337 printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
338 platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
339#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
340 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
341#endif
342 return 0;
343}
344
345arch_initcall(H8606_init);
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