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 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
39 #include <linux/usb/isp1362.h>
41 #include <linux/irq.h>
42 #include <linux/i2c.h>
44 #include <asm/bfin5xx_spi.h>
45 #include <asm/reboot.h>
46 #include <asm/portmux.h>
50 * Name the Board for the /proc/cpuinfo
52 const char bfin_board_name
[] = "ADI BF533-STAMP";
54 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
55 static struct platform_device rtc_device
= {
62 * Driver needs to know address, irq and flag pin.
64 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
65 static struct resource smc91x_resources
[] = {
67 .name
= "smc91x-regs",
69 .end
= 0x20300300 + 16,
70 .flags
= IORESOURCE_MEM
,
74 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_HIGHLEVEL
,
78 static struct platform_device smc91x_device
= {
81 .num_resources
= ARRAY_SIZE(smc91x_resources
),
82 .resource
= smc91x_resources
,
86 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
87 static struct platform_device bfin_fb_adv7393_device
= {
88 .name
= "bfin-adv7393",
92 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
93 static struct resource net2272_bfin_resources
[] = {
96 .end
= 0x20300000 + 0x100,
97 .flags
= IORESOURCE_MEM
,
101 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_HIGHLEVEL
,
105 static struct platform_device net2272_bfin_device
= {
108 .num_resources
= ARRAY_SIZE(net2272_bfin_resources
),
109 .resource
= net2272_bfin_resources
,
113 #if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
114 static struct mtd_partition stamp_partitions
[] = {
116 .name
= "bootloader(nor)",
120 .name
= "linux kernel(nor)",
122 .offset
= MTDPART_OFS_APPEND
,
124 .name
= "file system(nor)",
125 .size
= MTDPART_SIZ_FULL
,
126 .offset
= MTDPART_OFS_APPEND
,
130 static struct physmap_flash_data stamp_flash_data
= {
132 .parts
= stamp_partitions
,
133 .nr_parts
= ARRAY_SIZE(stamp_partitions
),
136 static struct resource stamp_flash_resource
[] = {
141 .flags
= IORESOURCE_MEM
,
143 .start
= 0x7BB07BB0, /* AMBCTL0 setting when accessing flash */
144 .end
= 0x7BB07BB0, /* AMBCTL1 setting when accessing flash */
145 .flags
= IORESOURCE_MEM
,
148 .flags
= IORESOURCE_IRQ
,
152 static struct platform_device stamp_flash_device
= {
153 .name
= "bfin-async-flash",
156 .platform_data
= &stamp_flash_data
,
158 .num_resources
= ARRAY_SIZE(stamp_flash_resource
),
159 .resource
= stamp_flash_resource
,
163 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
164 static struct mtd_partition bfin_spi_flash_partitions
[] = {
166 .name
= "bootloader(spi)",
169 .mask_flags
= MTD_CAP_ROM
171 .name
= "linux kernel(spi)",
173 .offset
= MTDPART_OFS_APPEND
,
175 .name
= "file system(spi)",
176 .size
= MTDPART_SIZ_FULL
,
177 .offset
= MTDPART_OFS_APPEND
,
181 static struct flash_platform_data bfin_spi_flash_data
= {
183 .parts
= bfin_spi_flash_partitions
,
184 .nr_parts
= ARRAY_SIZE(bfin_spi_flash_partitions
),
188 /* SPI flash chip (m25p64) */
189 static struct bfin5xx_spi_chip spi_flash_chip_info
= {
190 .enable_dma
= 0, /* use dma transfer with this chip*/
195 #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
197 static struct bfin5xx_spi_chip spi_adc_chip_info
= {
198 .enable_dma
= 1, /* use dma transfer with this chip*/
203 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
204 static struct bfin5xx_spi_chip ad1836_spi_chip_info
= {
210 #if defined(CONFIG_PBX)
211 static struct bfin5xx_spi_chip spi_si3xxx_chip_info
= {
212 .ctl_reg
= 0x4, /* send zero */
215 .cs_change_per_word
= 1,
219 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
220 static struct bfin5xx_spi_chip spidev_chip_info
= {
226 static struct spi_board_info bfin_spi_board_info
[] __initdata
= {
227 #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
229 /* the modalias must be the same as spi device driver name */
230 .modalias
= "m25p80", /* Name of spi_driver for this device */
231 .max_speed_hz
= 25000000, /* max spi clock (SCK) speed in HZ */
232 .bus_num
= 0, /* Framework bus number */
233 .chip_select
= 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
234 .platform_data
= &bfin_spi_flash_data
,
235 .controller_data
= &spi_flash_chip_info
,
240 #if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
242 .modalias
= "bfin_spi_adc", /* Name of spi_driver for this device */
243 .max_speed_hz
= 6250000, /* max spi clock (SCK) speed in HZ */
244 .bus_num
= 0, /* Framework bus number */
245 .chip_select
= 1, /* Framework chip select. */
246 .platform_data
= NULL
, /* No spi_driver specific config */
247 .controller_data
= &spi_adc_chip_info
,
251 #if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
253 .modalias
= "ad1836-spi",
254 .max_speed_hz
= 31250000, /* max spi clock (SCK) speed in HZ */
256 .chip_select
= CONFIG_SND_BLACKFIN_SPI_PFBIT
,
257 .controller_data
= &ad1836_spi_chip_info
,
261 #if defined(CONFIG_PBX)
263 .modalias
= "fxs-spi",
264 .max_speed_hz
= 12500000, /* max spi clock (SCK) speed in HZ */
266 .chip_select
= 8 - CONFIG_J11_JUMPER
,
267 .controller_data
= &spi_si3xxx_chip_info
,
271 .modalias
= "fxo-spi",
272 .max_speed_hz
= 12500000, /* max spi clock (SCK) speed in HZ */
274 .chip_select
= 8 - CONFIG_J19_JUMPER
,
275 .controller_data
= &spi_si3xxx_chip_info
,
280 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
282 .modalias
= "spidev",
283 .max_speed_hz
= 3125000, /* max spi clock (SCK) speed in HZ */
286 .controller_data
= &spidev_chip_info
,
291 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
293 static struct resource bfin_spi0_resource
[] = {
295 .start
= SPI0_REGBASE
,
296 .end
= SPI0_REGBASE
+ 0xFF,
297 .flags
= IORESOURCE_MEM
,
302 .flags
= IORESOURCE_IRQ
,
306 /* SPI controller data */
307 static struct bfin5xx_spi_master bfin_spi0_info
= {
309 .enable_dma
= 1, /* master has the ability to do dma transfer */
310 .pin_req
= {P_SPI0_SCK
, P_SPI0_MISO
, P_SPI0_MOSI
, 0},
313 static struct platform_device bfin_spi0_device
= {
315 .id
= 0, /* Bus number */
316 .num_resources
= ARRAY_SIZE(bfin_spi0_resource
),
317 .resource
= bfin_spi0_resource
,
319 .platform_data
= &bfin_spi0_info
, /* Passed to driver */
322 #endif /* spi master and devices */
324 #if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
325 static struct platform_device bfin_fb_device
= {
330 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
331 static struct resource bfin_uart_resources
[] = {
335 .flags
= IORESOURCE_MEM
,
339 static struct platform_device bfin_uart_device
= {
342 .num_resources
= ARRAY_SIZE(bfin_uart_resources
),
343 .resource
= bfin_uart_resources
,
347 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
348 #ifdef CONFIG_BFIN_SIR0
349 static struct resource bfin_sir0_resources
[] = {
353 .flags
= IORESOURCE_MEM
,
356 .start
= IRQ_UART0_RX
,
357 .end
= IRQ_UART0_RX
+1,
358 .flags
= IORESOURCE_IRQ
,
361 .start
= CH_UART0_RX
,
362 .end
= CH_UART0_RX
+1,
363 .flags
= IORESOURCE_DMA
,
367 static struct platform_device bfin_sir0_device
= {
370 .num_resources
= ARRAY_SIZE(bfin_sir0_resources
),
371 .resource
= bfin_sir0_resources
,
376 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
377 static struct platform_device bfin_sport0_uart_device
= {
378 .name
= "bfin-sport-uart",
382 static struct platform_device bfin_sport1_uart_device
= {
383 .name
= "bfin-sport-uart",
388 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
389 #include <linux/input.h>
390 #include <linux/gpio_keys.h>
392 static struct gpio_keys_button bfin_gpio_keys_table
[] = {
393 {BTN_0
, GPIO_PF5
, 0, "gpio-keys: BTN0"},
394 {BTN_1
, GPIO_PF6
, 0, "gpio-keys: BTN1"},
395 {BTN_2
, GPIO_PF8
, 0, "gpio-keys: BTN2"},
398 static struct gpio_keys_platform_data bfin_gpio_keys_data
= {
399 .buttons
= bfin_gpio_keys_table
,
400 .nbuttons
= ARRAY_SIZE(bfin_gpio_keys_table
),
403 static struct platform_device bfin_device_gpiokeys
= {
406 .platform_data
= &bfin_gpio_keys_data
,
411 static struct resource bfin_gpios_resources
= {
413 .end
= MAX_BLACKFIN_GPIOS
- 1,
414 .flags
= IORESOURCE_IRQ
,
417 static struct platform_device bfin_gpios_device
= {
418 .name
= "simple-gpio",
421 .resource
= &bfin_gpios_resources
,
424 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
425 #include <linux/i2c-gpio.h>
427 static struct i2c_gpio_platform_data i2c_gpio_data
= {
430 .sda_is_open_drain
= 0,
431 .scl_is_open_drain
= 0,
435 static struct platform_device i2c_gpio_device
= {
439 .platform_data
= &i2c_gpio_data
,
444 static struct i2c_board_info __initdata bfin_i2c_board_info
[] = {
445 #if defined(CONFIG_JOYSTICK_AD7142) || defined(CONFIG_JOYSTICK_AD7142_MODULE)
447 I2C_BOARD_INFO("ad7142_joystick", 0x2C),
451 #if defined(CONFIG_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
453 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
456 #if defined(CONFIG_TWI_KEYPAD) || defined(CONFIG_TWI_KEYPAD_MODULE)
458 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
464 static const unsigned int cclk_vlev_datasheet
[] =
466 VRPAIR(VLEV_085
, 250000000),
467 VRPAIR(VLEV_090
, 376000000),
468 VRPAIR(VLEV_095
, 426000000),
469 VRPAIR(VLEV_100
, 426000000),
470 VRPAIR(VLEV_105
, 476000000),
471 VRPAIR(VLEV_110
, 476000000),
472 VRPAIR(VLEV_115
, 476000000),
473 VRPAIR(VLEV_120
, 600000000),
474 VRPAIR(VLEV_125
, 600000000),
475 VRPAIR(VLEV_130
, 600000000),
478 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data
= {
479 .tuple_tab
= cclk_vlev_datasheet
,
480 .tabsize
= ARRAY_SIZE(cclk_vlev_datasheet
),
481 .vr_settling_time
= 25 /* us */,
484 static struct platform_device bfin_dpmc
= {
487 .platform_data
= &bfin_dmpc_vreg_data
,
491 static struct platform_device
*stamp_devices
[] __initdata
= {
495 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
499 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
503 #if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
504 &bfin_fb_adv7393_device
,
507 #if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
508 &net2272_bfin_device
,
511 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
515 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
519 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
520 #ifdef CONFIG_BFIN_SIR0
525 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
526 &bfin_sport0_uart_device
,
527 &bfin_sport1_uart_device
,
530 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
531 &bfin_device_gpiokeys
,
534 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
540 #if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
545 static int __init
stamp_init(void)
549 printk(KERN_INFO
"%s(): registering device resources\n", __func__
);
551 i2c_register_board_info(0, bfin_i2c_board_info
,
552 ARRAY_SIZE(bfin_i2c_board_info
));
554 ret
= platform_add_devices(stamp_devices
, ARRAY_SIZE(stamp_devices
));
558 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
559 /* setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC */
560 bfin_write_FIO_DIR(bfin_read_FIO_DIR() | PF0
);
561 bfin_write_FIO_FLAG_S(PF0
);
565 spi_register_board_info(bfin_spi_board_info
, ARRAY_SIZE(bfin_spi_board_info
));
569 arch_initcall(stamp_init
);
571 void native_machine_restart(char *cmd
)
573 /* workaround pull up on cpld / flash pin not being strong enough */
574 bfin_write_FIO_INEN(~PF0
);
575 bfin_write_FIO_DIR(PF0
);
576 bfin_write_FIO_FLAG_C(PF0
);