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_chip_data ksz8893m_switch_chip_data = {
123 .mii_bus = &bfin_mii_bus.dev,
131 static struct dsa_platform_data ksz8893m_switch_data = {
133 .netdev = &bfin_mac_device.dev,
134 .chip = &ksz8893m_switch_chip_data,
137 static struct platform_device ksz8893m_switch_device = {
141 .dev.platform_data = &ksz8893m_switch_data,
146 #if defined(CONFIG_MTD_M25P80) \
147 || defined(CONFIG_MTD_M25P80_MODULE)
148 static struct mtd_partition bfin_spi_flash_partitions[] = {
150 .name = "bootloader(spi)",
153 .mask_flags = MTD_CAP_ROM
155 .name = "linux kernel(spi)",
156 .size = MTDPART_SIZ_FULL,
157 .offset = MTDPART_OFS_APPEND,
161 static struct flash_platform_data bfin_spi_flash_data = {
163 .parts = bfin_spi_flash_partitions,
164 .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
168 /* SPI flash chip (m25p64) */
169 static struct bfin5xx_spi_chip spi_flash_chip_info = {
170 .enable_dma = 0, /* use dma transfer with this chip*/
175 #if defined(CONFIG_BFIN_SPI_ADC) \
176 || defined(CONFIG_BFIN_SPI_ADC_MODULE)
178 static struct bfin5xx_spi_chip spi_adc_chip_info = {
179 .enable_dma = 1, /* use dma transfer with this chip*/
184 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
185 #if defined(CONFIG_NET_DSA_KSZ8893M) \
186 || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
187 /* SPI SWITCH CHIP */
188 static struct bfin5xx_spi_chip spi_switch_info = {
195 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
196 static struct bfin5xx_spi_chip mmc_spi_chip_info = {
202 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
203 static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
208 static const struct ad7877_platform_data bfin_ad7877_ts_info = {
210 .vref_delay_usecs = 50, /* internal, no capacitor */
213 .pressure_max = 1000,
215 .stopacq_polarity = 1,
216 .first_conversion_delay = 3,
217 .acquisition_time = 1,
219 .pen_down_acc_interval = 1,
223 #if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
224 && defined(CONFIG_SND_SOC_WM8731_SPI)
225 static struct bfin5xx_spi_chip spi_wm8731_chip_info = {
231 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
232 static struct bfin5xx_spi_chip spidev_chip_info = {
238 static struct spi_board_info bfin_spi_board_info[] __initdata = {
239 #if defined(CONFIG_MTD_M25P80) \
240 || defined(CONFIG_MTD_M25P80_MODULE)
242 /* the modalias must be the same as spi device driver name */
243 .modalias = "m25p80", /* Name of spi_driver for this device */
244 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
245 .bus_num = 0, /* Framework bus number */
246 .chip_select = 2, /* On BF518F-EZBRD it's SPI0_SSEL2 */
247 .platform_data = &bfin_spi_flash_data,
248 .controller_data = &spi_flash_chip_info,
253 #if defined(CONFIG_BFIN_SPI_ADC) \
254 || defined(CONFIG_BFIN_SPI_ADC_MODULE)
256 .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
257 .max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */
258 .bus_num = 0, /* Framework bus number */
259 .chip_select = 1, /* Framework chip select. */
260 .platform_data = NULL, /* No spi_driver specific config */
261 .controller_data = &spi_adc_chip_info,
265 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
266 #if defined(CONFIG_NET_DSA_KSZ8893M) \
267 || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
269 .modalias = "ksz8893m",
270 .max_speed_hz = 5000000,
273 .platform_data = NULL,
274 .controller_data = &spi_switch_info,
280 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
282 .modalias = "mmc_spi",
283 .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
286 .controller_data = &mmc_spi_chip_info,
290 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
292 .modalias = "ad7877",
293 .platform_data = &bfin_ad7877_ts_info,
295 .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
298 .controller_data = &spi_ad7877_chip_info,
301 #if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
302 && defined(CONFIG_SND_SOC_WM8731_SPI)
304 .modalias = "wm8731",
305 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
308 .controller_data = &spi_wm8731_chip_info,
312 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
314 .modalias = "spidev",
315 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
318 .controller_data = &spidev_chip_info,
321 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
323 .modalias = "bfin-lq035q1-spi",
324 .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
327 .controller_data = &lq035q1_spi_chip_info,
328 .mode = SPI_CPHA | SPI_CPOL,
333 /* SPI controller data */
334 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
336 static struct bfin5xx_spi_master bfin_spi0_info = {
338 .enable_dma = 1, /* master has the ability to do dma transfer */
339 .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
342 static struct resource bfin_spi0_resource[] = {
344 .start = SPI0_REGBASE,
345 .end = SPI0_REGBASE + 0xFF,
346 .flags = IORESOURCE_MEM,
351 .flags = IORESOURCE_DMA,
356 .flags = IORESOURCE_IRQ,
360 static struct platform_device bfin_spi0_device = {
362 .id = 0, /* Bus number */
363 .num_resources = ARRAY_SIZE(bfin_spi0_resource),
364 .resource = bfin_spi0_resource,
366 .platform_data = &bfin_spi0_info, /* Passed to driver */
371 static struct bfin5xx_spi_master bfin_spi1_info = {
373 .enable_dma = 1, /* master has the ability to do dma transfer */
374 .pin_req = {P_SPI1_SCK, P_SPI1_MISO, P_SPI1_MOSI, 0},
377 static struct resource bfin_spi1_resource[] = {
379 .start = SPI1_REGBASE,
380 .end = SPI1_REGBASE + 0xFF,
381 .flags = IORESOURCE_MEM,
386 .flags = IORESOURCE_DMA,
391 .flags = IORESOURCE_IRQ,
395 static struct platform_device bfin_spi1_device = {
397 .id = 1, /* Bus number */
398 .num_resources = ARRAY_SIZE(bfin_spi1_resource),
399 .resource = bfin_spi1_resource,
401 .platform_data = &bfin_spi1_info, /* Passed to driver */
404 #endif /* spi master and devices */
406 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
407 static struct resource bfin_uart_resources[] = {
408 #ifdef CONFIG_SERIAL_BFIN_UART0
412 .flags = IORESOURCE_MEM,
415 #ifdef CONFIG_SERIAL_BFIN_UART1
419 .flags = IORESOURCE_MEM,
424 static struct platform_device bfin_uart_device = {
427 .num_resources = ARRAY_SIZE(bfin_uart_resources),
428 .resource = bfin_uart_resources,
432 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
433 #ifdef CONFIG_BFIN_SIR0
434 static struct resource bfin_sir0_resources[] = {
438 .flags = IORESOURCE_MEM,
441 .start = IRQ_UART0_RX,
442 .end = IRQ_UART0_RX+1,
443 .flags = IORESOURCE_IRQ,
446 .start = CH_UART0_RX,
447 .end = CH_UART0_RX+1,
448 .flags = IORESOURCE_DMA,
452 static struct platform_device bfin_sir0_device = {
455 .num_resources = ARRAY_SIZE(bfin_sir0_resources),
456 .resource = bfin_sir0_resources,
459 #ifdef CONFIG_BFIN_SIR1
460 static struct resource bfin_sir1_resources[] = {
464 .flags = IORESOURCE_MEM,
467 .start = IRQ_UART1_RX,
468 .end = IRQ_UART1_RX+1,
469 .flags = IORESOURCE_IRQ,
472 .start = CH_UART1_RX,
473 .end = CH_UART1_RX+1,
474 .flags = IORESOURCE_DMA,
478 static struct platform_device bfin_sir1_device = {
481 .num_resources = ARRAY_SIZE(bfin_sir1_resources),
482 .resource = bfin_sir1_resources,
487 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
488 static struct resource bfin_twi0_resource[] = {
490 .start = TWI0_REGBASE,
492 .flags = IORESOURCE_MEM,
497 .flags = IORESOURCE_IRQ,
501 static struct platform_device i2c_bfin_twi_device = {
502 .name = "i2c-bfin-twi",
504 .num_resources = ARRAY_SIZE(bfin_twi0_resource),
505 .resource = bfin_twi0_resource,
509 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
510 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
512 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
515 #if defined(CONFIG_INPUT_PCF8574) || defined(CONFIG_INPUT_PCF8574_MODULE)
517 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
523 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
524 static struct platform_device bfin_sport0_uart_device = {
525 .name = "bfin-sport-uart",
529 static struct platform_device bfin_sport1_uart_device = {
530 .name = "bfin-sport-uart",
535 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
536 #include <linux/input.h>
537 #include <linux/gpio_keys.h>
539 static struct gpio_keys_button bfin_gpio_keys_table[] = {
540 {BTN_0, GPIO_PG0, 1, "gpio-keys: BTN0"},
541 {BTN_1, GPIO_PG13, 1, "gpio-keys: BTN1"},
544 static struct gpio_keys_platform_data bfin_gpio_keys_data = {
545 .buttons = bfin_gpio_keys_table,
546 .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
549 static struct platform_device bfin_device_gpiokeys = {
552 .platform_data = &bfin_gpio_keys_data,
557 #if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE)
559 static struct bfin_sd_host bfin_sdh_data = {
561 .irq_int0 = IRQ_RSI_INT0,
562 .pin_req = {P_RSI_DATA0, P_RSI_DATA1, P_RSI_DATA2, P_RSI_DATA3, P_RSI_CMD, P_RSI_CLK, 0},
565 static struct platform_device bf51x_sdh_device = {
569 .platform_data = &bfin_sdh_data,
574 static struct resource bfin_gpios_resources = {
576 .end = MAX_BLACKFIN_GPIOS - 1,
577 .flags = IORESOURCE_IRQ,
580 static struct platform_device bfin_gpios_device = {
581 .name = "simple-gpio",
584 .resource = &bfin_gpios_resources,
587 static const unsigned int cclk_vlev_datasheet[] =
589 VRPAIR(VLEV_100, 400000000),
590 VRPAIR(VLEV_105, 426000000),
591 VRPAIR(VLEV_110, 500000000),
592 VRPAIR(VLEV_115, 533000000),
593 VRPAIR(VLEV_120, 600000000),
596 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
597 .tuple_tab = cclk_vlev_datasheet,
598 .tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
599 .vr_settling_time = 25 /* us */,
602 static struct platform_device bfin_dpmc = {
605 .platform_data = &bfin_dmpc_vreg_data,
609 static struct platform_device *stamp_devices[] __initdata = {
613 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
617 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
620 #if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
621 &ksz8893m_switch_device,
625 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
630 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
634 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
635 #ifdef CONFIG_BFIN_SIR0
638 #ifdef CONFIG_BFIN_SIR1
643 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
644 &i2c_bfin_twi_device,
647 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
648 &bfin_sport0_uart_device,
649 &bfin_sport1_uart_device,
652 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
653 &bfin_device_gpiokeys,
656 #if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE)
660 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
667 static int __init ezbrd_init(void)
669 printk(KERN_INFO "%s(): registering device resources\n", __func__);
670 i2c_register_board_info(0, bfin_i2c_board_info,
671 ARRAY_SIZE(bfin_i2c_board_info));
672 platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
673 spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
674 /* setup BF518-EZBRD GPIO pin PG11 to AMS2, PG15 to AMS3. */
675 peripheral_request(P_AMS2, "ParaFlash");
676 #if !defined(CONFIG_SPI_BFIN) && !defined(CONFIG_SPI_BFIN_MODULE)
677 peripheral_request(P_AMS3, "ParaFlash");
682 arch_initcall(ezbrd_init);
684 void native_machine_restart(char *cmd)
686 /* workaround reboot hang when booting from SPI */
687 if ((bfin_read_SYSCR() & 0x7) == 0x3)
688 bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
691 void bfin_get_ether_addr(char *addr)
693 /* the MAC is stored in OTP memory page 0xDF */
696 u32 (*otp_read)(u32 page, u32 flags, u64 *page_content) = (void *)0xEF00001A;
698 ret = otp_read(0xDF, 0x00, &otp_mac);
700 char *otp_mac_p = (char *)&otp_mac;
701 for (ret = 0; ret < 6; ++ret)
702 addr[ret] = otp_mac_p[5 - ret];
705 EXPORT_SYMBOL(bfin_get_ether_addr);