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>
7 * Description: Board Info File for the BF533-STAMP
10 * Copyright 2005 National ICT Australia (NICTA)
11 * Copyright 2004-2006 Analog Devices Inc.
13 * Bugs: Enter bugs at http://blackfin.uclinux.org/
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.
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.
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
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/mtd/physmap.h>
36 #include <linux/spi/spi.h>
37 #include <linux/spi/flash.h>
38 #include <linux/spi/mmc_spi.h>
39 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
40 #include <linux/usb/isp1362.h>
42 #include <linux/irq.h>
43 #include <linux/i2c.h>
45 #include <asm/bfin5xx_spi.h>
46 #include <asm/reboot.h>
47 #include <asm/portmux.h>
51 * Name the Board for the /proc/cpuinfo
53 const char bfin_board_name
[] = "ADI BF533-STAMP";
55 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
56 static struct platform_device rtc_device
= {
63 * Driver needs to know address, irq and flag pin.
65 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
66 #include <linux/smc91x.h>
68 static struct smc91x_platdata smc91x_info
= {
69 .flags
= SMC91X_USE_16BIT
| SMC91X_NOWAIT
,
70 .leda
= RPC_LED_100_10
,
71 .ledb
= RPC_LED_TX_RX
,
74 static struct resource smc91x_resources
[] = {
76 .name
= "smc91x-regs",
78 .end
= 0x20300300 + 16,
79 .flags
= IORESOURCE_MEM
,
83 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_HIGHLEVEL
,
87 static struct platform_device smc91x_device
= {
90 .num_resources
= ARRAY_SIZE(smc91x_resources
),
91 .resource
= smc91x_resources
,
93 .platform_data
= &smc91x_info
,
98 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
99 static struct platform_device bfin_fb_adv7393_device
= {
100 .name
= "bfin-adv7393",
104 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
105 static struct resource net2272_bfin_resources
[] = {
108 .end
= 0x20300000 + 0x100,
109 .flags
= IORESOURCE_MEM
,
113 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_HIGHLEVEL
,
117 static struct platform_device net2272_bfin_device
= {
120 .num_resources
= ARRAY_SIZE(net2272_bfin_resources
),
121 .resource
= net2272_bfin_resources
,
125 #if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
126 static struct mtd_partition stamp_partitions
[] = {
128 .name
= "bootloader(nor)",
132 .name
= "linux kernel(nor)",
134 .offset
= MTDPART_OFS_APPEND
,
136 .name
= "file system(nor)",
137 .size
= MTDPART_SIZ_FULL
,
138 .offset
= MTDPART_OFS_APPEND
,
142 static struct physmap_flash_data stamp_flash_data
= {
144 .parts
= stamp_partitions
,
145 .nr_parts
= ARRAY_SIZE(stamp_partitions
),
148 static struct resource stamp_flash_resource
[] = {
153 .flags
= IORESOURCE_MEM
,
155 .start
= 0x7BB07BB0, /* AMBCTL0 setting when accessing flash */
156 .end
= 0x7BB07BB0, /* AMBCTL1 setting when accessing flash */
157 .flags
= IORESOURCE_MEM
,
160 .flags
= IORESOURCE_IRQ
,
164 static struct platform_device stamp_flash_device
= {
165 .name
= "bfin-async-flash",
168 .platform_data
= &stamp_flash_data
,
170 .num_resources
= ARRAY_SIZE(stamp_flash_resource
),
171 .resource
= stamp_flash_resource
,
175 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
176 static struct mtd_partition bfin_spi_flash_partitions
[] = {
178 .name
= "bootloader(spi)",
181 .mask_flags
= MTD_CAP_ROM
183 .name
= "linux kernel(spi)",
185 .offset
= MTDPART_OFS_APPEND
,
187 .name
= "file system(spi)",
188 .size
= MTDPART_SIZ_FULL
,
189 .offset
= MTDPART_OFS_APPEND
,
193 static struct flash_platform_data bfin_spi_flash_data
= {
195 .parts
= bfin_spi_flash_partitions
,
196 .nr_parts
= ARRAY_SIZE(bfin_spi_flash_partitions
),
200 /* SPI flash chip (m25p64) */
201 static struct bfin5xx_spi_chip spi_flash_chip_info
= {
202 .enable_dma
= 0, /* use dma transfer with this chip*/
207 #if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
209 static struct bfin5xx_spi_chip spi_adc_chip_info
= {
210 .enable_dma
= 1, /* use dma transfer with this chip*/
215 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
216 static struct bfin5xx_spi_chip ad1836_spi_chip_info
= {
222 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
223 static struct bfin5xx_spi_chip spidev_chip_info
= {
229 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
230 #define MMC_SPI_CARD_DETECT_INT IRQ_PF5
231 static int bfin_mmc_spi_init(struct device
*dev
,
232 irqreturn_t (*detect_int
)(int, void *), void *data
)
234 return request_irq(MMC_SPI_CARD_DETECT_INT
, detect_int
,
235 IRQF_TRIGGER_FALLING
| IRQF_TRIGGER_RISING
,
236 "mmc-spi-detect", data
);
239 static void bfin_mmc_spi_exit(struct device
*dev
, void *data
)
241 free_irq(MMC_SPI_CARD_DETECT_INT
, data
);
244 static struct mmc_spi_platform_data bfin_mmc_spi_pdata
= {
245 .init
= bfin_mmc_spi_init
,
246 .exit
= bfin_mmc_spi_exit
,
247 .detect_delay
= 100, /* msecs */
250 static struct bfin5xx_spi_chip mmc_spi_chip_info
= {
257 static struct spi_board_info bfin_spi_board_info
[] __initdata
= {
258 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
260 /* the modalias must be the same as spi device driver name */
261 .modalias
= "m25p80", /* Name of spi_driver for this device */
262 .max_speed_hz
= 25000000, /* max spi clock (SCK) speed in HZ */
263 .bus_num
= 0, /* Framework bus number */
264 .chip_select
= 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
265 .platform_data
= &bfin_spi_flash_data
,
266 .controller_data
= &spi_flash_chip_info
,
271 #if defined(CONFIG_BFIN_SPI_ADC) || defined(CONFIG_BFIN_SPI_ADC_MODULE)
273 .modalias
= "bfin_spi_adc", /* Name of spi_driver for this device */
274 .max_speed_hz
= 6250000, /* max spi clock (SCK) speed in HZ */
275 .bus_num
= 0, /* Framework bus number */
276 .chip_select
= 1, /* Framework chip select. */
277 .platform_data
= NULL
, /* No spi_driver specific config */
278 .controller_data
= &spi_adc_chip_info
,
282 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
284 .modalias
= "ad1836",
285 .max_speed_hz
= 3125000, /* max spi clock (SCK) speed in HZ */
287 .chip_select
= CONFIG_SND_BLACKFIN_SPI_PFBIT
,
288 .controller_data
= &ad1836_spi_chip_info
,
292 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
294 .modalias
= "spidev",
295 .max_speed_hz
= 3125000, /* max spi clock (SCK) speed in HZ */
298 .controller_data
= &spidev_chip_info
,
301 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
303 .modalias
= "mmc_spi",
304 .max_speed_hz
= 20000000, /* max spi clock (SCK) speed in HZ */
307 .platform_data
= &bfin_mmc_spi_pdata
,
308 .controller_data
= &mmc_spi_chip_info
,
314 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
316 static struct resource bfin_spi0_resource
[] = {
318 .start
= SPI0_REGBASE
,
319 .end
= SPI0_REGBASE
+ 0xFF,
320 .flags
= IORESOURCE_MEM
,
325 .flags
= IORESOURCE_DMA
,
330 .flags
= IORESOURCE_IRQ
,
334 /* SPI controller data */
335 static struct bfin5xx_spi_master bfin_spi0_info
= {
337 .enable_dma
= 1, /* master has the ability to do dma transfer */
338 .pin_req
= {P_SPI0_SCK
, P_SPI0_MISO
, P_SPI0_MOSI
, 0},
341 static struct platform_device bfin_spi0_device
= {
343 .id
= 0, /* Bus number */
344 .num_resources
= ARRAY_SIZE(bfin_spi0_resource
),
345 .resource
= bfin_spi0_resource
,
347 .platform_data
= &bfin_spi0_info
, /* Passed to driver */
350 #endif /* spi master and devices */
352 #if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
353 static struct platform_device bfin_fb_device
= {
358 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
359 static struct resource bfin_uart_resources
[] = {
363 .flags
= IORESOURCE_MEM
,
367 static struct platform_device bfin_uart_device
= {
370 .num_resources
= ARRAY_SIZE(bfin_uart_resources
),
371 .resource
= bfin_uart_resources
,
375 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
376 #ifdef CONFIG_BFIN_SIR0
377 static struct resource bfin_sir0_resources
[] = {
381 .flags
= IORESOURCE_MEM
,
384 .start
= IRQ_UART0_RX
,
385 .end
= IRQ_UART0_RX
+1,
386 .flags
= IORESOURCE_IRQ
,
389 .start
= CH_UART0_RX
,
390 .end
= CH_UART0_RX
+1,
391 .flags
= IORESOURCE_DMA
,
395 static struct platform_device bfin_sir0_device
= {
398 .num_resources
= ARRAY_SIZE(bfin_sir0_resources
),
399 .resource
= bfin_sir0_resources
,
404 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
405 static struct platform_device bfin_sport0_uart_device
= {
406 .name
= "bfin-sport-uart",
410 static struct platform_device bfin_sport1_uart_device
= {
411 .name
= "bfin-sport-uart",
416 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
417 #include <linux/input.h>
418 #include <linux/gpio_keys.h>
420 static struct gpio_keys_button bfin_gpio_keys_table
[] = {
421 {BTN_0
, GPIO_PF5
, 0, "gpio-keys: BTN0"},
422 {BTN_1
, GPIO_PF6
, 0, "gpio-keys: BTN1"},
423 {BTN_2
, GPIO_PF8
, 0, "gpio-keys: BTN2"},
426 static struct gpio_keys_platform_data bfin_gpio_keys_data
= {
427 .buttons
= bfin_gpio_keys_table
,
428 .nbuttons
= ARRAY_SIZE(bfin_gpio_keys_table
),
431 static struct platform_device bfin_device_gpiokeys
= {
434 .platform_data
= &bfin_gpio_keys_data
,
439 static struct resource bfin_gpios_resources
= {
441 .end
= MAX_BLACKFIN_GPIOS
- 1,
442 .flags
= IORESOURCE_IRQ
,
445 static struct platform_device bfin_gpios_device
= {
446 .name
= "simple-gpio",
449 .resource
= &bfin_gpios_resources
,
452 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
453 #include <linux/i2c-gpio.h>
455 static struct i2c_gpio_platform_data i2c_gpio_data
= {
458 .sda_is_open_drain
= 0,
459 .scl_is_open_drain
= 0,
463 static struct platform_device i2c_gpio_device
= {
467 .platform_data
= &i2c_gpio_data
,
472 static struct i2c_board_info __initdata bfin_i2c_board_info
[] = {
473 #if defined(CONFIG_JOYSTICK_AD7142) || defined(CONFIG_JOYSTICK_AD7142_MODULE)
475 I2C_BOARD_INFO("ad7142_joystick", 0x2C),
479 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
481 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
484 #if defined(CONFIG_INPUT_PCF8574) || defined(CONFIG_INPUT_PCF8574_MODULE)
486 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
492 static const unsigned int cclk_vlev_datasheet
[] =
494 VRPAIR(VLEV_085
, 250000000),
495 VRPAIR(VLEV_090
, 376000000),
496 VRPAIR(VLEV_095
, 426000000),
497 VRPAIR(VLEV_100
, 426000000),
498 VRPAIR(VLEV_105
, 476000000),
499 VRPAIR(VLEV_110
, 476000000),
500 VRPAIR(VLEV_115
, 476000000),
501 VRPAIR(VLEV_120
, 600000000),
502 VRPAIR(VLEV_125
, 600000000),
503 VRPAIR(VLEV_130
, 600000000),
506 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data
= {
507 .tuple_tab
= cclk_vlev_datasheet
,
508 .tabsize
= ARRAY_SIZE(cclk_vlev_datasheet
),
509 .vr_settling_time
= 25 /* us */,
512 static struct platform_device bfin_dpmc
= {
515 .platform_data
= &bfin_dmpc_vreg_data
,
519 static struct platform_device
*stamp_devices
[] __initdata
= {
523 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
527 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
531 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
532 &bfin_fb_adv7393_device
,
535 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
536 &net2272_bfin_device
,
539 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
543 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
547 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
548 #ifdef CONFIG_BFIN_SIR0
553 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
554 &bfin_sport0_uart_device
,
555 &bfin_sport1_uart_device
,
558 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
559 &bfin_device_gpiokeys
,
562 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
568 #if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
573 static int __init
stamp_init(void)
577 printk(KERN_INFO
"%s(): registering device resources\n", __func__
);
579 i2c_register_board_info(0, bfin_i2c_board_info
,
580 ARRAY_SIZE(bfin_i2c_board_info
));
582 ret
= platform_add_devices(stamp_devices
, ARRAY_SIZE(stamp_devices
));
586 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
587 /* setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC */
588 bfin_write_FIO_DIR(bfin_read_FIO_DIR() | PF0
);
589 bfin_write_FIO_FLAG_S(PF0
);
593 spi_register_board_info(bfin_spi_board_info
, ARRAY_SIZE(bfin_spi_board_info
));
597 arch_initcall(stamp_init
);
599 void native_machine_restart(char *cmd
)
601 /* workaround pull up on cpld / flash pin not being strong enough */
602 bfin_write_FIO_INEN(~PF0
);
603 bfin_write_FIO_DIR(PF0
);
604 bfin_write_FIO_FLAG_C(PF0
);