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15#include <linux/device.h>
16#include <linux/platform_device.h>
17#include <linux/mtd/mtd.h>
18#include <linux/mtd/partitions.h>
19#include <linux/mtd/physmap.h>
20#include <linux/spi/spi.h>
21#include <linux/spi/flash.h>
22#include <linux/irq.h>
23#include <linux/i2c.h>
24#include <asm/dma.h>
25#include <asm/bfin5xx_spi.h>
26#include <asm/portmux.h>
27#include <asm/dpmc.h>
28
29
30
31
32const char bfin_board_name[] = "BlackStamp";
33
34#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
35static struct platform_device rtc_device = {
36 .name = "rtc-bfin",
37 .id = -1,
38};
39#endif
40
41
42
43
44#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
45#include <linux/smc91x.h>
46
47static struct smc91x_platdata smc91x_info = {
48 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
49 .leda = RPC_LED_100_10,
50 .ledb = RPC_LED_TX_RX,
51};
52
53static struct resource smc91x_resources[] = {
54 {
55 .name = "smc91x-regs",
56 .start = 0x20300300,
57 .end = 0x20300300 + 16,
58 .flags = IORESOURCE_MEM,
59 }, {
60 .start = IRQ_PF3,
61 .end = IRQ_PF3,
62 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
63 },
64};
65
66static struct platform_device smc91x_device = {
67 .name = "smc91x",
68 .id = 0,
69 .num_resources = ARRAY_SIZE(smc91x_resources),
70 .resource = smc91x_resources,
71 .dev = {
72 .platform_data = &smc91x_info,
73 },
74};
75#endif
76
77#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
78static struct mtd_partition bfin_spi_flash_partitions[] = {
79 {
80 .name = "bootloader(spi)",
81 .size = 0x00040000,
82 .offset = 0,
83 .mask_flags = MTD_CAP_ROM
84 }, {
85 .name = "linux kernel(spi)",
86 .size = 0x180000,
87 .offset = MTDPART_OFS_APPEND,
88 }, {
89 .name = "file system(spi)",
90 .size = MTDPART_SIZ_FULL,
91 .offset = MTDPART_OFS_APPEND,
92 }
93};
94
95static struct flash_platform_data bfin_spi_flash_data = {
96 .name = "m25p80",
97 .parts = bfin_spi_flash_partitions,
98 .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
99 .type = "m25p64",
100};
101
102
103static struct bfin5xx_spi_chip spi_flash_chip_info = {
104 .enable_dma = 0,
105 .bits_per_word = 8,
106};
107#endif
108
109#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
110static struct bfin5xx_spi_chip mmc_spi_chip_info = {
111 .enable_dma = 0,
112 .bits_per_word = 8,
113};
114#endif
115
116#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
117static struct bfin5xx_spi_chip spidev_chip_info = {
118 .enable_dma = 0,
119 .bits_per_word = 8,
120};
121#endif
122
123static struct spi_board_info bfin_spi_board_info[] __initdata = {
124#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
125 {
126
127 .modalias = "m25p80",
128 .max_speed_hz = 20000000,
129 .bus_num = 0,
130 .chip_select = 2,
131 .platform_data = &bfin_spi_flash_data,
132 .controller_data = &spi_flash_chip_info,
133 .mode = SPI_MODE_3,
134 },
135#endif
136
137#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
138 {
139 .modalias = "mmc_spi",
140 .max_speed_hz = 20000000,
141 .bus_num = 0,
142 .chip_select = 5,
143 .controller_data = &mmc_spi_chip_info,
144 .mode = SPI_MODE_3,
145 },
146#endif
147
148#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
149 {
150 .modalias = "spidev",
151 .max_speed_hz = 3125000,
152 .bus_num = 0,
153 .chip_select = 7,
154 .controller_data = &spidev_chip_info,
155 },
156#endif
157};
158
159#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
160
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_DMA,
171 },
172 [2] = {
173 .start = IRQ_SPI,
174 .end = IRQ_SPI,
175 .flags = IORESOURCE_IRQ,
176 }
177};
178
179
180static struct bfin5xx_spi_master bfin_spi0_info = {
181 .num_chipselect = 8,
182 .enable_dma = 1,
183 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
184};
185
186static struct platform_device bfin_spi0_device = {
187 .name = "bfin-spi",
188 .id = 0,
189 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
190 .resource = bfin_spi0_resource,
191 .dev = {
192 .platform_data = &bfin_spi0_info,
193 },
194};
195#endif
196
197#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
198static struct resource bfin_uart_resources[] = {
199 {
200 .start = 0xFFC00400,
201 .end = 0xFFC004FF,
202 .flags = IORESOURCE_MEM,
203 },
204};
205
206static struct platform_device bfin_uart_device = {
207 .name = "bfin-uart",
208 .id = 1,
209 .num_resources = ARRAY_SIZE(bfin_uart_resources),
210 .resource = bfin_uart_resources,
211};
212#endif
213
214#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
215#ifdef CONFIG_BFIN_SIR0
216static struct resource bfin_sir0_resources[] = {
217 {
218 .start = 0xFFC00400,
219 .end = 0xFFC004FF,
220 .flags = IORESOURCE_MEM,
221 },
222 {
223 .start = IRQ_UART0_RX,
224 .end = IRQ_UART0_RX+1,
225 .flags = IORESOURCE_IRQ,
226 },
227 {
228 .start = CH_UART0_RX,
229 .end = CH_UART0_RX+1,
230 .flags = IORESOURCE_DMA,
231 },
232};
233
234static struct platform_device bfin_sir0_device = {
235 .name = "bfin_sir",
236 .id = 0,
237 .num_resources = ARRAY_SIZE(bfin_sir0_resources),
238 .resource = bfin_sir0_resources,
239};
240#endif
241#endif
242
243#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
244static struct platform_device bfin_sport0_uart_device = {
245 .name = "bfin-sport-uart",
246 .id = 0,
247};
248
249static struct platform_device bfin_sport1_uart_device = {
250 .name = "bfin-sport-uart",
251 .id = 1,
252};
253#endif
254
255#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
256#include <linux/input.h>
257#include <linux/gpio_keys.h>
258
259static struct gpio_keys_button bfin_gpio_keys_table[] = {
260 {BTN_0, GPIO_PF4, 0, "gpio-keys: BTN0"},
261 {BTN_1, GPIO_PF5, 0, "gpio-keys: BTN1"},
262 {BTN_2, GPIO_PF6, 0, "gpio-keys: BTN2"},
263};
264
265static struct gpio_keys_platform_data bfin_gpio_keys_data = {
266 .buttons = bfin_gpio_keys_table,
267 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
268};
269
270static struct platform_device bfin_device_gpiokeys = {
271 .name = "gpio-keys",
272 .dev = {
273 .platform_data = &bfin_gpio_keys_data,
274 },
275};
276#endif
277
278#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
279#include <linux/i2c-gpio.h>
280
281static struct i2c_gpio_platform_data i2c_gpio_data = {
282 .sda_pin = 8,
283 .scl_pin = 9,
284 .sda_is_open_drain = 0,
285 .scl_is_open_drain = 0,
286 .udelay = 40,
287};
288
289
290static struct platform_device i2c_gpio_device = {
291 .name = "i2c-gpio",
292 .id = 0,
293 .dev = {
294 .platform_data = &i2c_gpio_data,
295 },
296};
297#endif
298
299static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
300};
301
302static const unsigned int cclk_vlev_datasheet[] =
303{
304 VRPAIR(VLEV_085, 250000000),
305 VRPAIR(VLEV_090, 376000000),
306 VRPAIR(VLEV_095, 426000000),
307 VRPAIR(VLEV_100, 426000000),
308 VRPAIR(VLEV_105, 476000000),
309 VRPAIR(VLEV_110, 476000000),
310 VRPAIR(VLEV_115, 476000000),
311 VRPAIR(VLEV_120, 600000000),
312 VRPAIR(VLEV_125, 600000000),
313 VRPAIR(VLEV_130, 600000000),
314};
315
316static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
317 .tuple_tab = cclk_vlev_datasheet,
318 .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
319 .vr_settling_time = 25 ,
320};
321
322static struct platform_device bfin_dpmc = {
323 .name = "bfin dpmc",
324 .dev = {
325 .platform_data = &bfin_dmpc_vreg_data,
326 },
327};
328
329static struct platform_device *stamp_devices[] __initdata = {
330
331 &bfin_dpmc,
332
333#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
334 &rtc_device,
335#endif
336
337#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
338 &smc91x_device,
339#endif
340
341
342#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
343 &bfin_spi0_device,
344#endif
345
346#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
347 &bfin_uart_device,
348#endif
349
350#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
351#ifdef CONFIG_BFIN_SIR0
352 &bfin_sir0_device,
353#endif
354#endif
355
356#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
357 &bfin_sport0_uart_device,
358 &bfin_sport1_uart_device,
359#endif
360
361#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
362 &bfin_device_gpiokeys,
363#endif
364
365#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
366 &i2c_gpio_device,
367#endif
368};
369
370static int __init blackstamp_init(void)
371{
372 int ret;
373
374 printk(KERN_INFO "%s(): registering device resources\n", __func__);
375
376 i2c_register_board_info(0, bfin_i2c_board_info,
377 ARRAY_SIZE(bfin_i2c_board_info));
378
379 ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
380 if (ret < 0)
381 return ret;
382
383#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
384
385 bfin_write_FIO_DIR(bfin_read_FIO_DIR() | PF0);
386 bfin_write_FIO_FLAG_S(PF0);
387 SSYNC();
388#endif
389
390 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
391 return 0;
392}
393
394arch_initcall(blackstamp_init);
395
