2 * File: arch/blackfin/mach-bf518/boards/ezbrd.c
3 * Based on: arch/blackfin/mach-bf527/boards/ezbrd.c
4 * Author: Bryan Wu <cooloney@kernel.org>
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>
43 #include <asm/bfin5xx_spi.h>
44 #include <asm/reboot.h>
45 #include <asm/portmux.h>
47 #include <asm/bfin_sdh.h>
48 #include <linux/spi/ad7877.h>
52 * Name the Board for the /proc/cpuinfo
54 const char bfin_board_name[] = "ADI BF518F-EZBRD";
57 * Driver needs to know address, irq and flag pin.
60 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
61 static struct mtd_partition ezbrd_partitions[] = {
63 .name = "bootloader(nor)",
67 .name = "linux kernel(nor)",
69 .offset = MTDPART_OFS_APPEND,
71 .name = "file system(nor)",
72 .size = MTDPART_SIZ_FULL,
73 .offset = MTDPART_OFS_APPEND,
77 static struct physmap_flash_data ezbrd_flash_data = {
79 .parts = ezbrd_partitions,
80 .nr_parts = ARRAY_SIZE(ezbrd_partitions),
83 static struct resource ezbrd_flash_resource = {
85 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
90 .flags = IORESOURCE_MEM,
93 static struct platform_device ezbrd_flash_device = {
94 .name = "physmap-flash",
97 .platform_data = &ezbrd_flash_data,
100 .resource = &ezbrd_flash_resource,
104 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
105 static struct platform_device rtc_device = {
111 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
112 static struct platform_device bfin_mii_bus = {
113 .name = "bfin_mii_bus",
116 static struct platform_device bfin_mac_device = {
118 .dev.platform_data = &bfin_mii_bus,
121 #if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
122 static struct dsa_platform_data ksz8893m_switch_data = {
123 .mii_bus = &bfin_mii_bus.dev,
124 .netdev = &bfin_mac_device.dev,
125 .port_names[0] = NULL,
126 .port_names[1] = "eth%d",
127 .port_names[2] = "eth%d",
128 .port_names[3] = "cpu",
131 static struct platform_device ksz8893m_switch_device = {
135 .dev.platform_data = &ksz8893m_switch_data,
140 #if defined(CONFIG_MTD_M25P80) \
141 || defined(CONFIG_MTD_M25P80_MODULE)
142 static struct mtd_partition bfin_spi_flash_partitions[] = {
144 .name = "bootloader(spi)",
147 .mask_flags = MTD_CAP_ROM
149 .name = "linux kernel(spi)",
150 .size = MTDPART_SIZ_FULL,
151 .offset = MTDPART_OFS_APPEND,
155 static struct flash_platform_data bfin_spi_flash_data = {
157 .parts = bfin_spi_flash_partitions,
158 .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
162 /* SPI flash chip (m25p64) */
163 static struct bfin5xx_spi_chip spi_flash_chip_info = {
164 .enable_dma = 0, /* use dma transfer with this chip*/
169 #if defined(CONFIG_BFIN_SPI_ADC) \
170 || defined(CONFIG_BFIN_SPI_ADC_MODULE)
172 static struct bfin5xx_spi_chip spi_adc_chip_info = {
173 .enable_dma = 1, /* use dma transfer with this chip*/
178 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
179 #if defined(CONFIG_NET_DSA_KSZ8893M) \
180 || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
181 /* SPI SWITCH CHIP */
182 static struct bfin5xx_spi_chip spi_switch_info = {
189 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
190 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
196 #if defined(CONFIG_PBX)
197 static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
198 .ctl_reg = 0x4, /* send zero */
201 .cs_change_per_word = 1,
205 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
206 static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
211 static const struct ad7877_platform_data bfin_ad7877_ts_info = {
213 .vref_delay_usecs = 50, /* internal, no capacitor */
216 .pressure_max = 1000,
218 .stopacq_polarity = 1,
219 .first_conversion_delay = 3,
220 .acquisition_time = 1,
222 .pen_down_acc_interval = 1,
226 #if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
227 && defined(CONFIG_SND_SOC_WM8731_SPI)
228 static struct bfin5xx_spi_chip spi_wm8731_chip_info = {
234 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
235 static struct bfin5xx_spi_chip spidev_chip_info = {
241 static struct spi_board_info bfin_spi_board_info[] __initdata = {
242 #if defined(CONFIG_MTD_M25P80) \
243 || defined(CONFIG_MTD_M25P80_MODULE)
245 /* the modalias must be the same as spi device driver name */
246 .modalias = "m25p80", /* Name of spi_driver for this device */
247 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
248 .bus_num = 0, /* Framework bus number */
249 .chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
250 .platform_data = &bfin_spi_flash_data,
251 .controller_data = &spi_flash_chip_info,
256 #if defined(CONFIG_BFIN_SPI_ADC) \
257 || defined(CONFIG_BFIN_SPI_ADC_MODULE)
259 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
260 .max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */
261 .bus_num = 0, /* Framework bus number */
262 .chip_select = 1, /* Framework chip select. */
263 .platform_data = NULL, /* No spi_driver specific config */
264 .controller_data = &spi_adc_chip_info,
268 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
269 #if defined(CONFIG_NET_DSA_KSZ8893M) \
270 || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
272 .modalias = "ksz8893m",
273 .max_speed_hz = 5000000,
276 .platform_data = NULL,
277 .controller_data = &spi_switch_info,
283 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
285 .modalias = "mmc_spi",
286 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
289 .controller_data = &mmc_spi_chip_info,
293 #if defined(CONFIG_PBX)
295 .modalias = "fxs-spi",
296 .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
298 .chip_select = 8 - CONFIG_J11_JUMPER,
299 .controller_data = &spi_si3xxx_chip_info,
303 .modalias = "fxo-spi",
304 .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
306 .chip_select = 8 - CONFIG_J19_JUMPER,
307 .controller_data = &spi_si3xxx_chip_info,
311 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
313 .modalias = "ad7877",
314 .platform_data = &bfin_ad7877_ts_info,
316 .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
319 .controller_data = &spi_ad7877_chip_info,
322 #if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
323 && defined(CONFIG_SND_SOC_WM8731_SPI)
325 .modalias = "wm8731",
326 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
329 .controller_data = &spi_wm8731_chip_info,
333 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
335 .modalias = "spidev",
336 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
339 .controller_data = &spidev_chip_info,
342 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
344 .modalias = "bfin-lq035q1-spi",
345 .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
348 .controller_data = &lq035q1_spi_chip_info,
349 .mode = SPI_CPHA | SPI_CPOL,
354 /* SPI controller data */
355 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
357 static struct bfin5xx_spi_master bfin_spi0_info = {
359 .enable_dma = 1, /* master has the ability to do dma transfer */
360 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
363 static struct resource bfin_spi0_resource[] = {
365 .start = SPI0_REGBASE,
366 .end = SPI0_REGBASE + 0xFF,
367 .flags = IORESOURCE_MEM,
372 .flags = IORESOURCE_DMA,
377 .flags = IORESOURCE_IRQ,
381 static struct platform_device bfin_spi0_device = {
383 .id = 0, /* Bus number */
384 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
385 .resource = bfin_spi0_resource,
387 .platform_data = &bfin_spi0_info, /* Passed to driver */
392 static struct bfin5xx_spi_master bfin_spi1_info = {
394 .enable_dma = 1, /* master has the ability to do dma transfer */
395 .pin_req = {P_SPI1_SCK, P_SPI1_MISO, P_SPI1_MOSI, 0},
398 static struct resource bfin_spi1_resource[] = {
400 .start = SPI1_REGBASE,
401 .end = SPI1_REGBASE + 0xFF,
402 .flags = IORESOURCE_MEM,
407 .flags = IORESOURCE_DMA,
412 .flags = IORESOURCE_IRQ,
416 static struct platform_device bfin_spi1_device = {
418 .id = 1, /* Bus number */
419 .num_resources = ARRAY_SIZE(bfin_spi1_resource),
420 .resource = bfin_spi1_resource,
422 .platform_data = &bfin_spi1_info, /* Passed to driver */
425 #endif /* spi master and devices */
427 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
428 static struct resource bfin_uart_resources[] = {
429 #ifdef CONFIG_SERIAL_BFIN_UART0
433 .flags = IORESOURCE_MEM,
436 #ifdef CONFIG_SERIAL_BFIN_UART1
440 .flags = IORESOURCE_MEM,
445 static struct platform_device bfin_uart_device = {
448 .num_resources = ARRAY_SIZE(bfin_uart_resources),
449 .resource = bfin_uart_resources,
453 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
454 #ifdef CONFIG_BFIN_SIR0
455 static struct resource bfin_sir0_resources[] = {
459 .flags = IORESOURCE_MEM,
462 .start = IRQ_UART0_RX,
463 .end = IRQ_UART0_RX+1,
464 .flags = IORESOURCE_IRQ,
467 .start = CH_UART0_RX,
468 .end = CH_UART0_RX+1,
469 .flags = IORESOURCE_DMA,
473 static struct platform_device bfin_sir0_device = {
476 .num_resources = ARRAY_SIZE(bfin_sir0_resources),
477 .resource = bfin_sir0_resources,
480 #ifdef CONFIG_BFIN_SIR1
481 static struct resource bfin_sir1_resources[] = {
485 .flags = IORESOURCE_MEM,
488 .start = IRQ_UART1_RX,
489 .end = IRQ_UART1_RX+1,
490 .flags = IORESOURCE_IRQ,
493 .start = CH_UART1_RX,
494 .end = CH_UART1_RX+1,
495 .flags = IORESOURCE_DMA,
499 static struct platform_device bfin_sir1_device = {
502 .num_resources = ARRAY_SIZE(bfin_sir1_resources),
503 .resource = bfin_sir1_resources,
508 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
509 static struct resource bfin_twi0_resource[] = {
511 .start = TWI0_REGBASE,
513 .flags = IORESOURCE_MEM,
518 .flags = IORESOURCE_IRQ,
522 static struct platform_device i2c_bfin_twi_device = {
523 .name = "i2c-bfin-twi",
525 .num_resources = ARRAY_SIZE(bfin_twi0_resource),
526 .resource = bfin_twi0_resource,
530 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
531 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
533 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
536 #if defined(CONFIG_TWI_KEYPAD) || defined(CONFIG_TWI_KEYPAD_MODULE)
538 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
544 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
545 static struct platform_device bfin_sport0_uart_device = {
546 .name = "bfin-sport-uart",
550 static struct platform_device bfin_sport1_uart_device = {
551 .name = "bfin-sport-uart",
556 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
557 #include <linux/input.h>
558 #include <linux/gpio_keys.h>
560 static struct gpio_keys_button bfin_gpio_keys_table[] = {
561 {BTN_0, GPIO_PG0, 1, "gpio-keys: BTN0"},
562 {BTN_1, GPIO_PG13, 1, "gpio-keys: BTN1"},
565 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
566 .buttons = bfin_gpio_keys_table,
567 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
570 static struct platform_device bfin_device_gpiokeys = {
573 .platform_data = &bfin_gpio_keys_data,
578 #if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE)
580 static struct bfin_sd_host bfin_sdh_data = {
582 .irq_int0 = IRQ_RSI_INT0,
583 .pin_req = {P_RSI_DATA0, P_RSI_DATA1, P_RSI_DATA2, P_RSI_DATA3, P_RSI_CMD, P_RSI_CLK, 0},
586 static struct platform_device bf51x_sdh_device = {
590 .platform_data = &bfin_sdh_data,
595 static struct resource bfin_gpios_resources = {
597 .end = MAX_BLACKFIN_GPIOS - 1,
598 .flags = IORESOURCE_IRQ,
601 static struct platform_device bfin_gpios_device = {
602 .name = "simple-gpio",
605 .resource = &bfin_gpios_resources,
608 static const unsigned int cclk_vlev_datasheet[] =
610 VRPAIR(VLEV_100, 400000000),
611 VRPAIR(VLEV_105, 426000000),
612 VRPAIR(VLEV_110, 500000000),
613 VRPAIR(VLEV_115, 533000000),
614 VRPAIR(VLEV_120, 600000000),
617 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
618 .tuple_tab = cclk_vlev_datasheet,
619 .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
620 .vr_settling_time = 25 /* us */,
623 static struct platform_device bfin_dpmc = {
626 .platform_data = &bfin_dmpc_vreg_data,
630 static struct platform_device *stamp_devices[] __initdata = {
634 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
638 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
641 #if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
642 &ksz8893m_switch_device,
646 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
651 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
655 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
656 #ifdef CONFIG_BFIN_SIR0
659 #ifdef CONFIG_BFIN_SIR1
664 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
665 &i2c_bfin_twi_device,
668 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
669 &bfin_sport0_uart_device,
670 &bfin_sport1_uart_device,
673 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
674 &bfin_device_gpiokeys,
677 #if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE)
681 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
688 static int __init ezbrd_init(void)
690 printk(KERN_INFO "%s(): registering device resources\n", __func__);
691 i2c_register_board_info(0, bfin_i2c_board_info,
692 ARRAY_SIZE(bfin_i2c_board_info));
693 platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
694 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
695 /* setup BF518-EZBRD GPIO pin PG11 to AMS2, PG15 to AMS3. */
696 peripheral_request(P_AMS2, "ParaFlash");
697 #if !defined(CONFIG_SPI_BFIN) && !defined(CONFIG_SPI_BFIN_MODULE)
698 peripheral_request(P_AMS3, "ParaFlash");
703 arch_initcall(ezbrd_init);
705 void native_machine_restart(char *cmd)
707 /* workaround reboot hang when booting from SPI */
708 if ((bfin_read_SYSCR() & 0x7) == 0x3)
709 bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
712 void bfin_get_ether_addr(char *addr)
714 /* the MAC is stored in OTP memory page 0xDF */
717 u32 (*otp_read)(u32 page, u32 flags, u64 *page_content) = (void *)0xEF00001A;
719 ret = otp_read(0xDF, 0x00, &otp_mac);
721 char *otp_mac_p = (char *)&otp_mac;
722 for (ret = 0; ret < 6; ++ret)
723 addr[ret] = otp_mac_p[5 - ret];
726 EXPORT_SYMBOL(bfin_get_ether_addr);