2 * File: arch/blackfin/mach-bf527/boards/ezbrd.c
3 * Based on: arch/blackfin/mach-bf537/boards/stamp.c
4 * Author: Aidan Williams <aidan@nicta.com.au>
10 * Copyright 2005 National ICT Australia (NICTA)
11 * Copyright 2004-2008 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>
39 #include <linux/i2c.h>
40 #include <linux/irq.h>
41 #include <linux/interrupt.h>
42 #include <linux/usb/musb.h>
44 #include <asm/bfin5xx_spi.h>
45 #include <asm/reboot.h>
47 #include <asm/portmux.h>
49 #include <linux/spi/ad7877.h>
52 * Name the Board for the /proc/cpuinfo
54 const char bfin_board_name[] = "ADI BF526-EZBRD";
57 * Driver needs to know address, irq and flag pin.
60 #if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
61 static struct resource musb_resources[] = {
65 .flags = IORESOURCE_MEM,
67 [1] = { /* general IRQ */
68 .start = IRQ_USB_INT0,
70 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
75 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
79 static struct musb_hdrc_config musb_config = {
86 .gpio_vrsel = GPIO_PG13,
89 static struct musb_hdrc_platform_data musb_plat = {
90 #if defined(CONFIG_USB_MUSB_OTG)
92 #elif defined(CONFIG_USB_MUSB_HDRC_HCD)
94 #elif defined(CONFIG_USB_GADGET_MUSB_HDRC)
95 .mode = MUSB_PERIPHERAL,
97 .config = &musb_config,
100 static u64 musb_dmamask = ~(u32)0;
102 static struct platform_device musb_device = {
106 .dma_mask = &musb_dmamask,
107 .coherent_dma_mask = 0xffffffff,
108 .platform_data = &musb_plat,
110 .num_resources = ARRAY_SIZE(musb_resources),
111 .resource = musb_resources,
115 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
116 static struct mtd_partition ezbrd_partitions[] = {
118 .name = "bootloader(nor)",
122 .name = "linux kernel(nor)",
124 .offset = MTDPART_OFS_APPEND,
126 .name = "file system(nor)",
127 .size = MTDPART_SIZ_FULL,
128 .offset = MTDPART_OFS_APPEND,
132 static struct physmap_flash_data ezbrd_flash_data = {
134 .parts = ezbrd_partitions,
135 .nr_parts = ARRAY_SIZE(ezbrd_partitions),
138 static struct resource ezbrd_flash_resource = {
141 .flags = IORESOURCE_MEM,
144 static struct platform_device ezbrd_flash_device = {
145 .name = "physmap-flash",
148 .platform_data = &ezbrd_flash_data,
151 .resource = &ezbrd_flash_resource,
155 #if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE)
156 static struct mtd_partition partition_info[] = {
158 .name = "linux kernel(nand)",
160 .size = 4 * 1024 * 1024,
163 .name = "file system(nand)",
164 .offset = MTDPART_OFS_APPEND,
165 .size = MTDPART_SIZ_FULL,
169 static struct bf5xx_nand_platform bf5xx_nand_platform = {
170 .page_size = NFC_PG_SIZE_256,
171 .data_width = NFC_NWIDTH_8,
172 .partitions = partition_info,
173 .nr_partitions = ARRAY_SIZE(partition_info),
178 static struct resource bf5xx_nand_resources[] = {
181 .end = NFC_DATA_RD + 2,
182 .flags = IORESOURCE_MEM,
187 .flags = IORESOURCE_IRQ,
191 static struct platform_device bf5xx_nand_device = {
192 .name = "bf5xx-nand",
194 .num_resources = ARRAY_SIZE(bf5xx_nand_resources),
195 .resource = bf5xx_nand_resources,
197 .platform_data = &bf5xx_nand_platform,
202 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
203 static struct platform_device rtc_device = {
210 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
211 static struct platform_device bfin_mii_bus = {
212 .name = "bfin_mii_bus",
215 static struct platform_device bfin_mac_device = {
217 .dev.platform_data = &bfin_mii_bus,
221 #if defined(CONFIG_MTD_M25P80) \
222 || defined(CONFIG_MTD_M25P80_MODULE)
223 static struct mtd_partition bfin_spi_flash_partitions[] = {
225 .name = "bootloader(spi)",
228 .mask_flags = MTD_CAP_ROM
230 .name = "linux kernel(spi)",
231 .size = MTDPART_SIZ_FULL,
232 .offset = MTDPART_OFS_APPEND,
236 static struct flash_platform_data bfin_spi_flash_data = {
238 .parts = bfin_spi_flash_partitions,
239 .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
243 /* SPI flash chip (m25p64) */
244 static struct bfin5xx_spi_chip spi_flash_chip_info = {
245 .enable_dma = 0, /* use dma transfer with this chip*/
250 #if defined(CONFIG_SPI_ADC_BF533) \
251 || defined(CONFIG_SPI_ADC_BF533_MODULE)
253 static struct bfin5xx_spi_chip spi_adc_chip_info = {
254 .enable_dma = 1, /* use dma transfer with this chip*/
259 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
260 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
266 #if defined(CONFIG_PBX)
267 static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
268 .ctl_reg = 0x4, /* send zero */
271 .cs_change_per_word = 1,
275 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
276 static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
281 static const struct ad7877_platform_data bfin_ad7877_ts_info = {
283 .vref_delay_usecs = 50, /* internal, no capacitor */
286 .pressure_max = 1000,
288 .stopacq_polarity = 1,
289 .first_conversion_delay = 3,
290 .acquisition_time = 1,
292 .pen_down_acc_interval = 1,
296 #if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE)
297 #include <linux/spi/ad7879.h>
298 static const struct ad7879_platform_data bfin_ad7879_ts_info = {
299 .model = 7879, /* Model = AD7879 */
300 .x_plate_ohms = 620, /* 620 Ohm from the touch datasheet */
301 .pressure_max = 10000,
303 .first_conversion_delay = 3, /* wait 512us before do a first conversion */
304 .acquisition_time = 1, /* 4us acquisition time per sample */
305 .median = 2, /* do 8 measurements */
306 .averaging = 1, /* take the average of 4 middle samples */
307 .pen_down_acc_interval = 255, /* 9.4 ms */
308 .gpio_output = 1, /* configure AUX/VBAT/GPIO as GPIO output */
309 .gpio_default = 1, /* During initialization set GPIO = HIGH */
313 #if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
314 static struct bfin5xx_spi_chip spi_ad7879_chip_info = {
320 #if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
321 && defined(CONFIG_SND_SOC_WM8731_SPI)
322 static struct bfin5xx_spi_chip spi_wm8731_chip_info = {
328 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
329 static struct bfin5xx_spi_chip spidev_chip_info = {
335 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
336 static struct bfin5xx_spi_chip lq035q1_spi_chip_info = {
342 static struct spi_board_info bfin_spi_board_info[] __initdata = {
343 #if defined(CONFIG_MTD_M25P80) \
344 || defined(CONFIG_MTD_M25P80_MODULE)
346 /* the modalias must be the same as spi device driver name */
347 .modalias = "m25p80", /* Name of spi_driver for this device */
348 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
349 .bus_num = 0, /* Framework bus number */
350 .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
351 .platform_data = &bfin_spi_flash_data,
352 .controller_data = &spi_flash_chip_info,
357 #if defined(CONFIG_SPI_ADC_BF533) \
358 || defined(CONFIG_SPI_ADC_BF533_MODULE)
360 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
361 .max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */
362 .bus_num = 0, /* Framework bus number */
363 .chip_select = 1, /* Framework chip select. */
364 .platform_data = NULL, /* No spi_driver specific config */
365 .controller_data = &spi_adc_chip_info,
369 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
371 .modalias = "mmc_spi",
372 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
375 .controller_data = &mmc_spi_chip_info,
379 #if defined(CONFIG_PBX)
381 .modalias = "fxs-spi",
382 .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
384 .chip_select = 8 - CONFIG_J11_JUMPER,
385 .controller_data = &spi_si3xxx_chip_info,
389 .modalias = "fxo-spi",
390 .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
392 .chip_select = 8 - CONFIG_J19_JUMPER,
393 .controller_data = &spi_si3xxx_chip_info,
397 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
399 .modalias = "ad7877",
400 .platform_data = &bfin_ad7877_ts_info,
402 .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
405 .controller_data = &spi_ad7877_chip_info,
408 #if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
410 .modalias = "ad7879",
411 .platform_data = &bfin_ad7879_ts_info,
413 .max_speed_hz = 5000000, /* max spi clock (SCK) speed in HZ */
416 .controller_data = &spi_ad7879_chip_info,
417 .mode = SPI_CPHA | SPI_CPOL,
420 #if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
421 && defined(CONFIG_SND_SOC_WM8731_SPI)
423 .modalias = "wm8731",
424 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
427 .controller_data = &spi_wm8731_chip_info,
431 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
433 .modalias = "spidev",
434 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
437 .controller_data = &spidev_chip_info,
440 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
442 .modalias = "bfin-lq035q1-spi",
443 .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
446 .controller_data = &lq035q1_spi_chip_info,
447 .mode = SPI_CPHA | SPI_CPOL,
452 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
453 /* SPI controller data */
454 static struct bfin5xx_spi_master bfin_spi0_info = {
456 .enable_dma = 1, /* master has the ability to do dma transfer */
457 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
461 static struct resource bfin_spi0_resource[] = {
463 .start = SPI0_REGBASE,
464 .end = SPI0_REGBASE + 0xFF,
465 .flags = IORESOURCE_MEM,
470 .flags = IORESOURCE_IRQ,
474 static struct platform_device bfin_spi0_device = {
476 .id = 0, /* Bus number */
477 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
478 .resource = bfin_spi0_resource,
480 .platform_data = &bfin_spi0_info, /* Passed to driver */
483 #endif /* spi master and devices */
485 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
486 static struct resource bfin_uart_resources[] = {
487 #ifdef CONFIG_SERIAL_BFIN_UART0
491 .flags = IORESOURCE_MEM,
494 #ifdef CONFIG_SERIAL_BFIN_UART1
498 .flags = IORESOURCE_MEM,
503 static struct platform_device bfin_uart_device = {
506 .num_resources = ARRAY_SIZE(bfin_uart_resources),
507 .resource = bfin_uart_resources,
511 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
512 #ifdef CONFIG_BFIN_SIR0
513 static struct resource bfin_sir0_resources[] = {
517 .flags = IORESOURCE_MEM,
520 .start = IRQ_UART0_RX,
521 .end = IRQ_UART0_RX+1,
522 .flags = IORESOURCE_IRQ,
525 .start = CH_UART0_RX,
526 .end = CH_UART0_RX+1,
527 .flags = IORESOURCE_DMA,
531 static struct platform_device bfin_sir0_device = {
534 .num_resources = ARRAY_SIZE(bfin_sir0_resources),
535 .resource = bfin_sir0_resources,
538 #ifdef CONFIG_BFIN_SIR1
539 static struct resource bfin_sir1_resources[] = {
543 .flags = IORESOURCE_MEM,
546 .start = IRQ_UART1_RX,
547 .end = IRQ_UART1_RX+1,
548 .flags = IORESOURCE_IRQ,
551 .start = CH_UART1_RX,
552 .end = CH_UART1_RX+1,
553 .flags = IORESOURCE_DMA,
557 static struct platform_device bfin_sir1_device = {
560 .num_resources = ARRAY_SIZE(bfin_sir1_resources),
561 .resource = bfin_sir1_resources,
566 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
567 static struct resource bfin_twi0_resource[] = {
569 .start = TWI0_REGBASE,
571 .flags = IORESOURCE_MEM,
576 .flags = IORESOURCE_IRQ,
580 static struct platform_device i2c_bfin_twi_device = {
581 .name = "i2c-bfin-twi",
583 .num_resources = ARRAY_SIZE(bfin_twi0_resource),
584 .resource = bfin_twi0_resource,
588 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
589 #if defined(CONFIG_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
591 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
594 #if defined(CONFIG_TWI_KEYPAD) || defined(CONFIG_TWI_KEYPAD_MODULE)
596 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
602 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
603 static struct platform_device bfin_sport0_uart_device = {
604 .name = "bfin-sport-uart",
608 static struct platform_device bfin_sport1_uart_device = {
609 .name = "bfin-sport-uart",
614 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
615 #include <linux/input.h>
616 #include <linux/gpio_keys.h>
618 static struct gpio_keys_button bfin_gpio_keys_table[] = {
619 {BTN_0, GPIO_PG0, 1, "gpio-keys: BTN0"},
620 {BTN_1, GPIO_PG13, 1, "gpio-keys: BTN1"},
623 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
624 .buttons = bfin_gpio_keys_table,
625 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
628 static struct platform_device bfin_device_gpiokeys = {
631 .platform_data = &bfin_gpio_keys_data,
636 static struct resource bfin_gpios_resources = {
638 .end = MAX_BLACKFIN_GPIOS - 1,
639 .flags = IORESOURCE_IRQ,
642 static struct platform_device bfin_gpios_device = {
643 .name = "simple-gpio",
646 .resource = &bfin_gpios_resources,
649 static const unsigned int cclk_vlev_datasheet[] =
651 VRPAIR(VLEV_100, 400000000),
652 VRPAIR(VLEV_105, 426000000),
653 VRPAIR(VLEV_110, 500000000),
654 VRPAIR(VLEV_115, 533000000),
655 VRPAIR(VLEV_120, 600000000),
658 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
659 .tuple_tab = cclk_vlev_datasheet,
660 .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
661 .vr_settling_time = 25 /* us */,
664 static struct platform_device bfin_dpmc = {
667 .platform_data = &bfin_dmpc_vreg_data,
671 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
672 #include <asm/bfin-lq035q1.h>
674 static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = {
675 .mode = LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB,
677 .gpio_bl = GPIO_PG12,
680 static struct resource bfin_lq035q1_resources[] = {
682 .start = IRQ_PPI_ERROR,
683 .end = IRQ_PPI_ERROR,
684 .flags = IORESOURCE_IRQ,
688 static struct platform_device bfin_lq035q1_device = {
689 .name = "bfin-lq035q1",
691 .num_resources = ARRAY_SIZE(bfin_lq035q1_resources),
692 .resource = bfin_lq035q1_resources,
694 .platform_data = &bfin_lq035q1_data,
699 static struct platform_device *stamp_devices[] __initdata = {
703 #if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE)
707 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
711 #if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
715 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
720 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
724 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
728 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
729 &bfin_lq035q1_device,
732 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
733 #ifdef CONFIG_BFIN_SIR0
736 #ifdef CONFIG_BFIN_SIR1
741 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
742 &i2c_bfin_twi_device,
745 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
746 &bfin_sport0_uart_device,
747 &bfin_sport1_uart_device,
750 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
751 &bfin_device_gpiokeys,
754 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
761 static int __init ezbrd_init(void)
763 printk(KERN_INFO "%s(): registering device resources\n", __func__);
764 i2c_register_board_info(0, bfin_i2c_board_info,
765 ARRAY_SIZE(bfin_i2c_board_info));
766 platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
767 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
771 arch_initcall(ezbrd_init);
773 void native_machine_restart(char *cmd)
775 /* workaround reboot hang when booting from SPI */
776 if ((bfin_read_SYSCR() & 0x7) == 0x3)
777 bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
780 void bfin_get_ether_addr(char *addr)
782 /* the MAC is stored in OTP memory page 0xDF */
785 u32 (*otp_read)(u32 page, u32 flags, u64 *page_content) = (void *)0xEF00001A;
787 ret = otp_read(0xDF, 0x00, &otp_mac);
789 char *otp_mac_p = (char *)&otp_mac;
790 for (ret = 0; ret < 6; ++ret)
791 addr[ret] = otp_mac_p[5 - ret];
794 EXPORT_SYMBOL(bfin_get_ether_addr);