2 * Copyright 2004-2009 Analog Devices Inc.
3 * 2005 National ICT Australia (NICTA)
4 * Aidan Williams <aidan@nicta.com.au>
6 * Licensed under the GPL-2 or later.
9 #include <linux/device.h>
10 #include <linux/export.h>
11 #include <linux/platform_device.h>
12 #include <linux/mtd/mtd.h>
13 #include <linux/mtd/partitions.h>
14 #include <linux/mtd/physmap.h>
15 #include <linux/spi/spi.h>
16 #include <linux/spi/flash.h>
18 #include <linux/i2c.h>
19 #include <linux/irq.h>
20 #include <linux/interrupt.h>
22 #include <asm/bfin5xx_spi.h>
23 #include <asm/reboot.h>
24 #include <asm/portmux.h>
26 #include <asm/bfin_sdh.h>
27 #include <linux/spi/ad7877.h>
31 * Name the Board for the /proc/cpuinfo
33 const char bfin_board_name
[] = "ADI BF518F-EZBRD";
36 * Driver needs to know address, irq and flag pin.
39 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
40 static struct mtd_partition ezbrd_partitions
[] = {
42 .name
= "bootloader(nor)",
46 .name
= "linux kernel(nor)",
48 .offset
= MTDPART_OFS_APPEND
,
50 .name
= "file system(nor)",
51 .size
= MTDPART_SIZ_FULL
,
52 .offset
= MTDPART_OFS_APPEND
,
56 static struct physmap_flash_data ezbrd_flash_data
= {
58 .parts
= ezbrd_partitions
,
59 .nr_parts
= ARRAY_SIZE(ezbrd_partitions
),
62 static struct resource ezbrd_flash_resource
= {
64 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
69 .flags
= IORESOURCE_MEM
,
72 static struct platform_device ezbrd_flash_device
= {
73 .name
= "physmap-flash",
76 .platform_data
= &ezbrd_flash_data
,
79 .resource
= &ezbrd_flash_resource
,
83 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
84 static struct platform_device rtc_device
= {
90 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
91 #include <linux/bfin_mac.h>
92 static const unsigned short bfin_mac_peripherals
[] = {
106 static struct bfin_phydev_platform_data bfin_phydev_data
[] = {
108 #if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
113 .irq
= IRQ_MAC_PHYINT
,
117 static struct bfin_mii_bus_platform_data bfin_mii_bus_data
= {
119 .phydev_data
= bfin_phydev_data
,
120 .phy_mode
= PHY_INTERFACE_MODE_MII
,
121 .mac_peripherals
= bfin_mac_peripherals
,
122 #if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
123 .phy_mask
= 0xfff7, /* Only probe the port phy connect to the on chip MAC */
127 static struct platform_device bfin_mii_bus
= {
128 .name
= "bfin_mii_bus",
130 .platform_data
= &bfin_mii_bus_data
,
134 static struct platform_device bfin_mac_device
= {
137 .platform_data
= &bfin_mii_bus
,
141 #if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
142 static struct dsa_chip_data ksz8893m_switch_chip_data
= {
143 .mii_bus
= &bfin_mii_bus
.dev
,
151 static struct dsa_platform_data ksz8893m_switch_data
= {
153 .netdev
= &bfin_mac_device
.dev
,
154 .chip
= &ksz8893m_switch_chip_data
,
157 static struct platform_device ksz8893m_switch_device
= {
161 .dev
.platform_data
= &ksz8893m_switch_data
,
166 #if defined(CONFIG_MTD_M25P80) \
167 || defined(CONFIG_MTD_M25P80_MODULE)
168 static struct mtd_partition bfin_spi_flash_partitions
[] = {
170 .name
= "bootloader(spi)",
173 .mask_flags
= MTD_CAP_ROM
175 .name
= "linux kernel(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*/
194 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
195 static struct bfin5xx_spi_chip mmc_spi_chip_info
= {
200 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
201 static const struct ad7877_platform_data bfin_ad7877_ts_info
= {
203 .vref_delay_usecs
= 50, /* internal, no capacitor */
206 .pressure_max
= 1000,
208 .stopacq_polarity
= 1,
209 .first_conversion_delay
= 3,
210 .acquisition_time
= 1,
212 .pen_down_acc_interval
= 1,
216 static struct spi_board_info bfin_spi_board_info
[] __initdata
= {
217 #if defined(CONFIG_MTD_M25P80) \
218 || defined(CONFIG_MTD_M25P80_MODULE)
220 /* the modalias must be the same as spi device driver name */
221 .modalias
= "m25p80", /* Name of spi_driver for this device */
222 .max_speed_hz
= 25000000, /* max spi clock (SCK) speed in HZ */
223 .bus_num
= 0, /* Framework bus number */
224 .chip_select
= 2, /* On BF518F-EZBRD it's SPI0_SSEL2 */
225 .platform_data
= &bfin_spi_flash_data
,
226 .controller_data
= &spi_flash_chip_info
,
231 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
232 #if defined(CONFIG_NET_DSA_KSZ8893M) \
233 || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
235 .modalias
= "ksz8893m",
236 .max_speed_hz
= 5000000,
239 .platform_data
= NULL
,
245 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
247 .modalias
= "mmc_spi",
248 .max_speed_hz
= 25000000, /* max spi clock (SCK) speed in HZ */
251 .controller_data
= &mmc_spi_chip_info
,
255 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
257 .modalias
= "ad7877",
258 .platform_data
= &bfin_ad7877_ts_info
,
260 .max_speed_hz
= 12500000, /* max spi clock (SCK) speed in HZ */
265 #if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
266 && defined(CONFIG_SND_SOC_WM8731_SPI)
268 .modalias
= "wm8731",
269 .max_speed_hz
= 3125000, /* max spi clock (SCK) speed in HZ */
275 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
277 .modalias
= "spidev",
278 .max_speed_hz
= 3125000, /* max spi clock (SCK) speed in HZ */
283 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
285 .modalias
= "bfin-lq035q1-spi",
286 .max_speed_hz
= 20000000, /* max spi clock (SCK) speed in HZ */
289 .mode
= SPI_CPHA
| SPI_CPOL
,
294 /* SPI controller data */
295 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
297 static struct bfin5xx_spi_master bfin_spi0_info
= {
299 .enable_dma
= 1, /* master has the ability to do dma transfer */
300 .pin_req
= {P_SPI0_SCK
, P_SPI0_MISO
, P_SPI0_MOSI
, 0},
303 static struct resource bfin_spi0_resource
[] = {
305 .start
= SPI0_REGBASE
,
306 .end
= SPI0_REGBASE
+ 0xFF,
307 .flags
= IORESOURCE_MEM
,
312 .flags
= IORESOURCE_DMA
,
317 .flags
= IORESOURCE_IRQ
,
321 static struct platform_device bfin_spi0_device
= {
323 .id
= 0, /* Bus number */
324 .num_resources
= ARRAY_SIZE(bfin_spi0_resource
),
325 .resource
= bfin_spi0_resource
,
327 .platform_data
= &bfin_spi0_info
, /* Passed to driver */
332 static struct bfin5xx_spi_master bfin_spi1_info
= {
334 .enable_dma
= 1, /* master has the ability to do dma transfer */
335 .pin_req
= {P_SPI1_SCK
, P_SPI1_MISO
, P_SPI1_MOSI
, 0},
338 static struct resource bfin_spi1_resource
[] = {
340 .start
= SPI1_REGBASE
,
341 .end
= SPI1_REGBASE
+ 0xFF,
342 .flags
= IORESOURCE_MEM
,
347 .flags
= IORESOURCE_DMA
,
352 .flags
= IORESOURCE_IRQ
,
356 static struct platform_device bfin_spi1_device
= {
358 .id
= 1, /* Bus number */
359 .num_resources
= ARRAY_SIZE(bfin_spi1_resource
),
360 .resource
= bfin_spi1_resource
,
362 .platform_data
= &bfin_spi1_info
, /* Passed to driver */
365 #endif /* spi master and devices */
367 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
368 #ifdef CONFIG_SERIAL_BFIN_UART0
369 static struct resource bfin_uart0_resources
[] = {
373 .flags
= IORESOURCE_MEM
,
376 .start
= IRQ_UART0_TX
,
378 .flags
= IORESOURCE_IRQ
,
381 .start
= IRQ_UART0_RX
,
383 .flags
= IORESOURCE_IRQ
,
386 .start
= IRQ_UART0_ERROR
,
387 .end
= IRQ_UART0_ERROR
,
388 .flags
= IORESOURCE_IRQ
,
391 .start
= CH_UART0_TX
,
393 .flags
= IORESOURCE_DMA
,
396 .start
= CH_UART0_RX
,
398 .flags
= IORESOURCE_DMA
,
402 static unsigned short bfin_uart0_peripherals
[] = {
403 P_UART0_TX
, P_UART0_RX
, 0
406 static struct platform_device bfin_uart0_device
= {
409 .num_resources
= ARRAY_SIZE(bfin_uart0_resources
),
410 .resource
= bfin_uart0_resources
,
412 .platform_data
= &bfin_uart0_peripherals
, /* Passed to driver */
416 #ifdef CONFIG_SERIAL_BFIN_UART1
417 static struct resource bfin_uart1_resources
[] = {
421 .flags
= IORESOURCE_MEM
,
424 .start
= IRQ_UART1_TX
,
426 .flags
= IORESOURCE_IRQ
,
429 .start
= IRQ_UART1_RX
,
431 .flags
= IORESOURCE_IRQ
,
434 .start
= IRQ_UART1_ERROR
,
435 .end
= IRQ_UART1_ERROR
,
436 .flags
= IORESOURCE_IRQ
,
439 .start
= CH_UART1_TX
,
441 .flags
= IORESOURCE_DMA
,
444 .start
= CH_UART1_RX
,
446 .flags
= IORESOURCE_DMA
,
450 static unsigned short bfin_uart1_peripherals
[] = {
451 P_UART1_TX
, P_UART1_RX
, 0
454 static struct platform_device bfin_uart1_device
= {
457 .num_resources
= ARRAY_SIZE(bfin_uart1_resources
),
458 .resource
= bfin_uart1_resources
,
460 .platform_data
= &bfin_uart1_peripherals
, /* Passed to driver */
466 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
467 #ifdef CONFIG_BFIN_SIR0
468 static struct resource bfin_sir0_resources
[] = {
472 .flags
= IORESOURCE_MEM
,
475 .start
= IRQ_UART0_RX
,
476 .end
= IRQ_UART0_RX
+1,
477 .flags
= IORESOURCE_IRQ
,
480 .start
= CH_UART0_RX
,
481 .end
= CH_UART0_RX
+1,
482 .flags
= IORESOURCE_DMA
,
486 static struct platform_device bfin_sir0_device
= {
489 .num_resources
= ARRAY_SIZE(bfin_sir0_resources
),
490 .resource
= bfin_sir0_resources
,
493 #ifdef CONFIG_BFIN_SIR1
494 static struct resource bfin_sir1_resources
[] = {
498 .flags
= IORESOURCE_MEM
,
501 .start
= IRQ_UART1_RX
,
502 .end
= IRQ_UART1_RX
+1,
503 .flags
= IORESOURCE_IRQ
,
506 .start
= CH_UART1_RX
,
507 .end
= CH_UART1_RX
+1,
508 .flags
= IORESOURCE_DMA
,
512 static struct platform_device bfin_sir1_device
= {
515 .num_resources
= ARRAY_SIZE(bfin_sir1_resources
),
516 .resource
= bfin_sir1_resources
,
521 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
522 static struct platform_device bfin_i2s
= {
524 .id
= CONFIG_SND_BF5XX_SPORT_NUM
,
525 /* TODO: add platform data here */
529 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
530 static struct resource bfin_twi0_resource
[] = {
532 .start
= TWI0_REGBASE
,
534 .flags
= IORESOURCE_MEM
,
539 .flags
= IORESOURCE_IRQ
,
543 static struct platform_device i2c_bfin_twi_device
= {
544 .name
= "i2c-bfin-twi",
546 .num_resources
= ARRAY_SIZE(bfin_twi0_resource
),
547 .resource
= bfin_twi0_resource
,
551 static struct i2c_board_info __initdata bfin_i2c_board_info
[] = {
552 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
554 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
557 #if defined(CONFIG_INPUT_PCF8574) || defined(CONFIG_INPUT_PCF8574_MODULE)
559 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
563 #if defined(CONFIG_SND_SOC_SSM2602) || defined(CONFIG_SND_SOC_SSM2602_MODULE)
565 I2C_BOARD_INFO("ssm2602", 0x1b),
570 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
571 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
572 static struct resource bfin_sport0_uart_resources
[] = {
574 .start
= SPORT0_TCR1
,
575 .end
= SPORT0_MRCS3
+4,
576 .flags
= IORESOURCE_MEM
,
579 .start
= IRQ_SPORT0_RX
,
580 .end
= IRQ_SPORT0_RX
+1,
581 .flags
= IORESOURCE_IRQ
,
584 .start
= IRQ_SPORT0_ERROR
,
585 .end
= IRQ_SPORT0_ERROR
,
586 .flags
= IORESOURCE_IRQ
,
590 static unsigned short bfin_sport0_peripherals
[] = {
591 P_SPORT0_TFS
, P_SPORT0_DTPRI
, P_SPORT0_TSCLK
, P_SPORT0_RFS
,
592 P_SPORT0_DRPRI
, P_SPORT0_RSCLK
, 0
595 static struct platform_device bfin_sport0_uart_device
= {
596 .name
= "bfin-sport-uart",
598 .num_resources
= ARRAY_SIZE(bfin_sport0_uart_resources
),
599 .resource
= bfin_sport0_uart_resources
,
601 .platform_data
= &bfin_sport0_peripherals
, /* Passed to driver */
605 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
606 static struct resource bfin_sport1_uart_resources
[] = {
608 .start
= SPORT1_TCR1
,
609 .end
= SPORT1_MRCS3
+4,
610 .flags
= IORESOURCE_MEM
,
613 .start
= IRQ_SPORT1_RX
,
614 .end
= IRQ_SPORT1_RX
+1,
615 .flags
= IORESOURCE_IRQ
,
618 .start
= IRQ_SPORT1_ERROR
,
619 .end
= IRQ_SPORT1_ERROR
,
620 .flags
= IORESOURCE_IRQ
,
624 static unsigned short bfin_sport1_peripherals
[] = {
625 P_SPORT1_TFS
, P_SPORT1_DTPRI
, P_SPORT1_TSCLK
, P_SPORT1_RFS
,
626 P_SPORT1_DRPRI
, P_SPORT1_RSCLK
, 0
629 static struct platform_device bfin_sport1_uart_device
= {
630 .name
= "bfin-sport-uart",
632 .num_resources
= ARRAY_SIZE(bfin_sport1_uart_resources
),
633 .resource
= bfin_sport1_uart_resources
,
635 .platform_data
= &bfin_sport1_peripherals
, /* Passed to driver */
641 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
642 #include <linux/input.h>
643 #include <linux/gpio_keys.h>
645 static struct gpio_keys_button bfin_gpio_keys_table
[] = {
646 {BTN_0
, GPIO_PG0
, 1, "gpio-keys: BTN0"},
647 {BTN_1
, GPIO_PG13
, 1, "gpio-keys: BTN1"},
650 static struct gpio_keys_platform_data bfin_gpio_keys_data
= {
651 .buttons
= bfin_gpio_keys_table
,
652 .nbuttons
= ARRAY_SIZE(bfin_gpio_keys_table
),
655 static struct platform_device bfin_device_gpiokeys
= {
658 .platform_data
= &bfin_gpio_keys_data
,
663 #if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE)
665 static struct bfin_sd_host bfin_sdh_data
= {
667 .irq_int0
= IRQ_RSI_INT0
,
668 .pin_req
= {P_RSI_DATA0
, P_RSI_DATA1
, P_RSI_DATA2
, P_RSI_DATA3
, P_RSI_CMD
, P_RSI_CLK
, 0},
671 static struct platform_device bf51x_sdh_device
= {
675 .platform_data
= &bfin_sdh_data
,
680 static const unsigned int cclk_vlev_datasheet
[] =
682 VRPAIR(VLEV_100
, 400000000),
683 VRPAIR(VLEV_105
, 426000000),
684 VRPAIR(VLEV_110
, 500000000),
685 VRPAIR(VLEV_115
, 533000000),
686 VRPAIR(VLEV_120
, 600000000),
689 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data
= {
690 .tuple_tab
= cclk_vlev_datasheet
,
691 .tabsize
= ARRAY_SIZE(cclk_vlev_datasheet
),
692 .vr_settling_time
= 25 /* us */,
695 static struct platform_device bfin_dpmc
= {
698 .platform_data
= &bfin_dmpc_vreg_data
,
702 static struct platform_device
*stamp_devices
[] __initdata
= {
706 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
710 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
713 #if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
714 &ksz8893m_switch_device
,
718 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
723 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
724 #ifdef CONFIG_SERIAL_BFIN_UART0
727 #ifdef CONFIG_SERIAL_BFIN_UART1
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_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
749 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
750 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
751 &bfin_sport0_uart_device
,
753 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
754 &bfin_sport1_uart_device
,
758 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
759 &bfin_device_gpiokeys
,
762 #if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE)
766 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
771 static int __init
ezbrd_init(void)
773 printk(KERN_INFO
"%s(): registering device resources\n", __func__
);
774 i2c_register_board_info(0, bfin_i2c_board_info
,
775 ARRAY_SIZE(bfin_i2c_board_info
));
776 platform_add_devices(stamp_devices
, ARRAY_SIZE(stamp_devices
));
777 spi_register_board_info(bfin_spi_board_info
, ARRAY_SIZE(bfin_spi_board_info
));
778 /* setup BF518-EZBRD GPIO pin PG11 to AMS2, PG15 to AMS3. */
779 peripheral_request(P_AMS2
, "ParaFlash");
780 #if !defined(CONFIG_SPI_BFIN) && !defined(CONFIG_SPI_BFIN_MODULE)
781 peripheral_request(P_AMS3
, "ParaFlash");
786 arch_initcall(ezbrd_init
);
788 static struct platform_device
*ezbrd_early_devices
[] __initdata
= {
789 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
790 #ifdef CONFIG_SERIAL_BFIN_UART0
793 #ifdef CONFIG_SERIAL_BFIN_UART1
798 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
799 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
800 &bfin_sport0_uart_device
,
802 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
803 &bfin_sport1_uart_device
,
808 void __init
native_machine_early_platform_add_devices(void)
810 printk(KERN_INFO
"register early platform devices\n");
811 early_platform_add_devices(ezbrd_early_devices
,
812 ARRAY_SIZE(ezbrd_early_devices
));
815 void native_machine_restart(char *cmd
)
817 /* workaround reboot hang when booting from SPI */
818 if ((bfin_read_SYSCR() & 0x7) == 0x3)
819 bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS
);
822 void bfin_get_ether_addr(char *addr
)
824 /* the MAC is stored in OTP memory page 0xDF */
827 u32 (*otp_read
)(u32 page
, u32 flags
, u64
*page_content
) = (void *)0xEF00001A;
829 ret
= otp_read(0xDF, 0x00, &otp_mac
);
831 char *otp_mac_p
= (char *)&otp_mac
;
832 for (ret
= 0; ret
< 6; ++ret
)
833 addr
[ret
] = otp_mac_p
[5 - ret
];
836 EXPORT_SYMBOL(bfin_get_ether_addr
);