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>
21 #include <linux/usb/musb.h>
23 #include <asm/bfin5xx_spi.h>
24 #include <asm/reboot.h>
26 #include <asm/portmux.h>
28 #include <linux/spi/ad7877.h>
31 * Name the Board for the /proc/cpuinfo
33 const char bfin_board_name
[] = "ADI BF526-EZBRD";
36 * Driver needs to know address, irq and flag pin.
39 #if IS_ENABLED(CONFIG_USB_MUSB_HDRC)
40 static struct resource musb_resources
[] = {
44 .flags
= IORESOURCE_MEM
,
46 [1] = { /* general IRQ */
47 .start
= IRQ_USB_INT0
,
49 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_HIGHLEVEL
,
55 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_HIGHLEVEL
,
60 static struct musb_hdrc_config musb_config
= {
67 .gpio_vrsel
= GPIO_PG13
,
68 /* Some custom boards need to be active low, just set it to "0"
71 .gpio_vrsel_active
= 1,
72 .clkin
= 24, /* musb CLKIN in MHZ */
75 static struct musb_hdrc_platform_data musb_plat
= {
76 #if defined(CONFIG_USB_MUSB_OTG)
78 #elif defined(CONFIG_USB_MUSB_HDRC_HCD)
80 #elif defined(CONFIG_USB_GADGET_MUSB_HDRC)
81 .mode
= MUSB_PERIPHERAL
,
83 .config
= &musb_config
,
86 static u64 musb_dmamask
= ~(u32
)0;
88 static struct platform_device musb_device
= {
89 .name
= "musb-blackfin",
92 .dma_mask
= &musb_dmamask
,
93 .coherent_dma_mask
= 0xffffffff,
94 .platform_data
= &musb_plat
,
96 .num_resources
= ARRAY_SIZE(musb_resources
),
97 .resource
= musb_resources
,
101 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
102 static struct mtd_partition ezbrd_partitions
[] = {
104 .name
= "bootloader(nor)",
108 .name
= "linux kernel(nor)",
110 .offset
= MTDPART_OFS_APPEND
,
112 .name
= "file system(nor)",
113 .size
= MTDPART_SIZ_FULL
,
114 .offset
= MTDPART_OFS_APPEND
,
118 static struct physmap_flash_data ezbrd_flash_data
= {
120 .parts
= ezbrd_partitions
,
121 .nr_parts
= ARRAY_SIZE(ezbrd_partitions
),
124 static struct resource ezbrd_flash_resource
= {
127 .flags
= IORESOURCE_MEM
,
130 static struct platform_device ezbrd_flash_device
= {
131 .name
= "physmap-flash",
134 .platform_data
= &ezbrd_flash_data
,
137 .resource
= &ezbrd_flash_resource
,
141 #if IS_ENABLED(CONFIG_MTD_NAND_BF5XX)
142 static struct mtd_partition partition_info
[] = {
144 .name
= "bootloader(nand)",
148 .name
= "linux kernel(nand)",
149 .offset
= MTDPART_OFS_APPEND
,
150 .size
= 4 * 1024 * 1024,
153 .name
= "file system(nand)",
154 .offset
= MTDPART_OFS_APPEND
,
155 .size
= MTDPART_SIZ_FULL
,
159 static struct bf5xx_nand_platform bf5xx_nand_platform
= {
160 .data_width
= NFC_NWIDTH_8
,
161 .partitions
= partition_info
,
162 .nr_partitions
= ARRAY_SIZE(partition_info
),
167 static struct resource bf5xx_nand_resources
[] = {
170 .end
= NFC_DATA_RD
+ 2,
171 .flags
= IORESOURCE_MEM
,
176 .flags
= IORESOURCE_IRQ
,
180 static struct platform_device bf5xx_nand_device
= {
181 .name
= "bf5xx-nand",
183 .num_resources
= ARRAY_SIZE(bf5xx_nand_resources
),
184 .resource
= bf5xx_nand_resources
,
186 .platform_data
= &bf5xx_nand_platform
,
191 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
192 static struct platform_device rtc_device
= {
199 #if IS_ENABLED(CONFIG_BFIN_MAC)
200 #include <linux/bfin_mac.h>
201 static const unsigned short bfin_mac_peripherals
[] = P_RMII0
;
203 static struct bfin_phydev_platform_data bfin_phydev_data
[] = {
206 .irq
= IRQ_MAC_PHYINT
,
210 static struct bfin_mii_bus_platform_data bfin_mii_bus_data
= {
212 .phydev_data
= bfin_phydev_data
,
213 .phy_mode
= PHY_INTERFACE_MODE_RMII
,
214 .mac_peripherals
= bfin_mac_peripherals
,
217 static struct platform_device bfin_mii_bus
= {
218 .name
= "bfin_mii_bus",
220 .platform_data
= &bfin_mii_bus_data
,
224 static struct platform_device bfin_mac_device
= {
227 .platform_data
= &bfin_mii_bus
,
232 #if IS_ENABLED(CONFIG_MTD_M25P80)
233 static struct mtd_partition bfin_spi_flash_partitions
[] = {
235 .name
= "bootloader(spi)",
238 .mask_flags
= MTD_CAP_ROM
240 .name
= "linux kernel(spi)",
241 .size
= MTDPART_SIZ_FULL
,
242 .offset
= MTDPART_OFS_APPEND
,
246 static struct flash_platform_data bfin_spi_flash_data
= {
248 .parts
= bfin_spi_flash_partitions
,
249 .nr_parts
= ARRAY_SIZE(bfin_spi_flash_partitions
),
250 .type
= "sst25wf040",
253 /* SPI flash chip (sst25wf040) */
254 static struct bfin5xx_spi_chip spi_flash_chip_info
= {
255 .enable_dma
= 0, /* use dma transfer with this chip*/
259 #if IS_ENABLED(CONFIG_MMC_SPI)
260 static struct bfin5xx_spi_chip mmc_spi_chip_info
= {
265 #if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7877)
266 static const struct ad7877_platform_data bfin_ad7877_ts_info
= {
268 .vref_delay_usecs
= 50, /* internal, no capacitor */
271 .pressure_max
= 1000,
273 .stopacq_polarity
= 1,
274 .first_conversion_delay
= 3,
275 .acquisition_time
= 1,
277 .pen_down_acc_interval
= 1,
281 #if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7879)
282 #include <linux/spi/ad7879.h>
283 static const struct ad7879_platform_data bfin_ad7879_ts_info
= {
284 .model
= 7879, /* Model = AD7879 */
285 .x_plate_ohms
= 620, /* 620 Ohm from the touch datasheet */
286 .pressure_max
= 10000,
288 .first_conversion_delay
= 3, /* wait 512us before do a first conversion */
289 .acquisition_time
= 1, /* 4us acquisition time per sample */
290 .median
= 2, /* do 8 measurements */
291 .averaging
= 1, /* take the average of 4 middle samples */
292 .pen_down_acc_interval
= 255, /* 9.4 ms */
293 .gpio_export
= 1, /* Export GPIO to gpiolib */
294 .gpio_base
= -1, /* Dynamic allocation */
298 static struct spi_board_info bfin_spi_board_info
[] __initdata
= {
299 #if IS_ENABLED(CONFIG_MTD_M25P80)
301 /* the modalias must be the same as spi device driver name */
302 .modalias
= "m25p80", /* Name of spi_driver for this device */
303 .max_speed_hz
= 25000000, /* max spi clock (SCK) speed in HZ */
304 .bus_num
= 0, /* Framework bus number */
305 .chip_select
= 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
306 .platform_data
= &bfin_spi_flash_data
,
307 .controller_data
= &spi_flash_chip_info
,
312 #if IS_ENABLED(CONFIG_MMC_SPI)
314 .modalias
= "mmc_spi",
315 .max_speed_hz
= 25000000, /* max spi clock (SCK) speed in HZ */
318 .controller_data
= &mmc_spi_chip_info
,
322 #if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7877)
324 .modalias
= "ad7877",
325 .platform_data
= &bfin_ad7877_ts_info
,
327 .max_speed_hz
= 12500000, /* max spi clock (SCK) speed in HZ */
332 #if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7879_SPI)
334 .modalias
= "ad7879",
335 .platform_data
= &bfin_ad7879_ts_info
,
337 .max_speed_hz
= 5000000, /* max spi clock (SCK) speed in HZ */
340 .mode
= SPI_CPHA
| SPI_CPOL
,
343 #if IS_ENABLED(CONFIG_SND_SOC_WM8731) \
344 && defined(CONFIG_SND_SOC_WM8731_SPI)
346 .modalias
= "wm8731",
347 .max_speed_hz
= 3125000, /* max spi clock (SCK) speed in HZ */
353 #if IS_ENABLED(CONFIG_SPI_SPIDEV)
355 .modalias
= "spidev",
356 .max_speed_hz
= 3125000, /* max spi clock (SCK) speed in HZ */
361 #if IS_ENABLED(CONFIG_FB_BFIN_LQ035Q1)
363 .modalias
= "bfin-lq035q1-spi",
364 .max_speed_hz
= 20000000, /* max spi clock (SCK) speed in HZ */
367 .mode
= SPI_CPHA
| SPI_CPOL
,
372 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
373 /* SPI controller data */
374 static struct bfin5xx_spi_master bfin_spi0_info
= {
376 .enable_dma
= 1, /* master has the ability to do dma transfer */
377 .pin_req
= {P_SPI0_SCK
, P_SPI0_MISO
, P_SPI0_MOSI
, 0},
381 static struct resource bfin_spi0_resource
[] = {
383 .start
= SPI0_REGBASE
,
384 .end
= SPI0_REGBASE
+ 0xFF,
385 .flags
= IORESOURCE_MEM
,
390 .flags
= IORESOURCE_DMA
,
395 .flags
= IORESOURCE_IRQ
,
399 static struct platform_device bfin_spi0_device
= {
401 .id
= 0, /* Bus number */
402 .num_resources
= ARRAY_SIZE(bfin_spi0_resource
),
403 .resource
= bfin_spi0_resource
,
405 .platform_data
= &bfin_spi0_info
, /* Passed to driver */
408 #endif /* spi master and devices */
410 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
411 #ifdef CONFIG_SERIAL_BFIN_UART0
412 static struct resource bfin_uart0_resources
[] = {
416 .flags
= IORESOURCE_MEM
,
419 .start
= IRQ_UART0_TX
,
421 .flags
= IORESOURCE_IRQ
,
424 .start
= IRQ_UART0_RX
,
426 .flags
= IORESOURCE_IRQ
,
429 .start
= IRQ_UART0_ERROR
,
430 .end
= IRQ_UART0_ERROR
,
431 .flags
= IORESOURCE_IRQ
,
434 .start
= CH_UART0_TX
,
436 .flags
= IORESOURCE_DMA
,
439 .start
= CH_UART0_RX
,
441 .flags
= IORESOURCE_DMA
,
445 static unsigned short bfin_uart0_peripherals
[] = {
446 P_UART0_TX
, P_UART0_RX
, 0
449 static struct platform_device bfin_uart0_device
= {
452 .num_resources
= ARRAY_SIZE(bfin_uart0_resources
),
453 .resource
= bfin_uart0_resources
,
455 .platform_data
= &bfin_uart0_peripherals
, /* Passed to driver */
459 #ifdef CONFIG_SERIAL_BFIN_UART1
460 static struct resource bfin_uart1_resources
[] = {
464 .flags
= IORESOURCE_MEM
,
467 .start
= IRQ_UART1_TX
,
469 .flags
= IORESOURCE_IRQ
,
472 .start
= IRQ_UART1_RX
,
474 .flags
= IORESOURCE_IRQ
,
477 .start
= IRQ_UART1_ERROR
,
478 .end
= IRQ_UART1_ERROR
,
479 .flags
= IORESOURCE_IRQ
,
482 .start
= CH_UART1_TX
,
484 .flags
= IORESOURCE_DMA
,
487 .start
= CH_UART1_RX
,
489 .flags
= IORESOURCE_DMA
,
491 #ifdef CONFIG_BFIN_UART1_CTSRTS
495 .flags
= IORESOURCE_IO
,
500 .flags
= IORESOURCE_IO
,
505 static unsigned short bfin_uart1_peripherals
[] = {
506 P_UART1_TX
, P_UART1_RX
, 0
509 static struct platform_device bfin_uart1_device
= {
512 .num_resources
= ARRAY_SIZE(bfin_uart1_resources
),
513 .resource
= bfin_uart1_resources
,
515 .platform_data
= &bfin_uart1_peripherals
, /* Passed to driver */
521 #if IS_ENABLED(CONFIG_BFIN_SIR)
522 #ifdef CONFIG_BFIN_SIR0
523 static struct resource bfin_sir0_resources
[] = {
527 .flags
= IORESOURCE_MEM
,
530 .start
= IRQ_UART0_RX
,
531 .end
= IRQ_UART0_RX
+1,
532 .flags
= IORESOURCE_IRQ
,
535 .start
= CH_UART0_RX
,
536 .end
= CH_UART0_RX
+1,
537 .flags
= IORESOURCE_DMA
,
541 static struct platform_device bfin_sir0_device
= {
544 .num_resources
= ARRAY_SIZE(bfin_sir0_resources
),
545 .resource
= bfin_sir0_resources
,
548 #ifdef CONFIG_BFIN_SIR1
549 static struct resource bfin_sir1_resources
[] = {
553 .flags
= IORESOURCE_MEM
,
556 .start
= IRQ_UART1_RX
,
557 .end
= IRQ_UART1_RX
+1,
558 .flags
= IORESOURCE_IRQ
,
561 .start
= CH_UART1_RX
,
562 .end
= CH_UART1_RX
+1,
563 .flags
= IORESOURCE_DMA
,
567 static struct platform_device bfin_sir1_device
= {
570 .num_resources
= ARRAY_SIZE(bfin_sir1_resources
),
571 .resource
= bfin_sir1_resources
,
576 #if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI)
577 static const u16 bfin_twi0_pins
[] = {P_TWI0_SCL
, P_TWI0_SDA
, 0};
579 static struct resource bfin_twi0_resource
[] = {
581 .start
= TWI0_REGBASE
,
583 .flags
= IORESOURCE_MEM
,
588 .flags
= IORESOURCE_IRQ
,
592 static struct platform_device i2c_bfin_twi_device
= {
593 .name
= "i2c-bfin-twi",
595 .num_resources
= ARRAY_SIZE(bfin_twi0_resource
),
596 .resource
= bfin_twi0_resource
,
598 .platform_data
= &bfin_twi0_pins
,
603 static struct i2c_board_info __initdata bfin_i2c_board_info
[] = {
604 #if IS_ENABLED(CONFIG_BFIN_TWI_LCD)
606 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
609 #if IS_ENABLED(CONFIG_INPUT_PCF8574)
611 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
617 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
618 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
619 static struct resource bfin_sport0_uart_resources
[] = {
621 .start
= SPORT0_TCR1
,
622 .end
= SPORT0_MRCS3
+4,
623 .flags
= IORESOURCE_MEM
,
626 .start
= IRQ_SPORT0_RX
,
627 .end
= IRQ_SPORT0_RX
+1,
628 .flags
= IORESOURCE_IRQ
,
631 .start
= IRQ_SPORT0_ERROR
,
632 .end
= IRQ_SPORT0_ERROR
,
633 .flags
= IORESOURCE_IRQ
,
637 static unsigned short bfin_sport0_peripherals
[] = {
638 P_SPORT0_TFS
, P_SPORT0_DTPRI
, P_SPORT0_TSCLK
, P_SPORT0_RFS
,
639 P_SPORT0_DRPRI
, P_SPORT0_RSCLK
, 0
642 static struct platform_device bfin_sport0_uart_device
= {
643 .name
= "bfin-sport-uart",
645 .num_resources
= ARRAY_SIZE(bfin_sport0_uart_resources
),
646 .resource
= bfin_sport0_uart_resources
,
648 .platform_data
= &bfin_sport0_peripherals
, /* Passed to driver */
652 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
653 static struct resource bfin_sport1_uart_resources
[] = {
655 .start
= SPORT1_TCR1
,
656 .end
= SPORT1_MRCS3
+4,
657 .flags
= IORESOURCE_MEM
,
660 .start
= IRQ_SPORT1_RX
,
661 .end
= IRQ_SPORT1_RX
+1,
662 .flags
= IORESOURCE_IRQ
,
665 .start
= IRQ_SPORT1_ERROR
,
666 .end
= IRQ_SPORT1_ERROR
,
667 .flags
= IORESOURCE_IRQ
,
671 static unsigned short bfin_sport1_peripherals
[] = {
672 P_SPORT1_TFS
, P_SPORT1_DTPRI
, P_SPORT1_TSCLK
, P_SPORT1_RFS
,
673 P_SPORT1_DRPRI
, P_SPORT1_RSCLK
, 0
676 static struct platform_device bfin_sport1_uart_device
= {
677 .name
= "bfin-sport-uart",
679 .num_resources
= ARRAY_SIZE(bfin_sport1_uart_resources
),
680 .resource
= bfin_sport1_uart_resources
,
682 .platform_data
= &bfin_sport1_peripherals
, /* Passed to driver */
688 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
689 #include <linux/input.h>
690 #include <linux/gpio_keys.h>
692 static struct gpio_keys_button bfin_gpio_keys_table
[] = {
693 {BTN_0
, GPIO_PG0
, 1, "gpio-keys: BTN0"},
694 {BTN_1
, GPIO_PG13
, 1, "gpio-keys: BTN1"},
697 static struct gpio_keys_platform_data bfin_gpio_keys_data
= {
698 .buttons
= bfin_gpio_keys_table
,
699 .nbuttons
= ARRAY_SIZE(bfin_gpio_keys_table
),
702 static struct platform_device bfin_device_gpiokeys
= {
705 .platform_data
= &bfin_gpio_keys_data
,
710 static const unsigned int cclk_vlev_datasheet
[] =
712 VRPAIR(VLEV_100
, 400000000),
713 VRPAIR(VLEV_105
, 426000000),
714 VRPAIR(VLEV_110
, 500000000),
715 VRPAIR(VLEV_115
, 533000000),
716 VRPAIR(VLEV_120
, 600000000),
719 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data
= {
720 .tuple_tab
= cclk_vlev_datasheet
,
721 .tabsize
= ARRAY_SIZE(cclk_vlev_datasheet
),
722 .vr_settling_time
= 25 /* us */,
725 static struct platform_device bfin_dpmc
= {
728 .platform_data
= &bfin_dmpc_vreg_data
,
732 #if IS_ENABLED(CONFIG_FB_BFIN_LQ035Q1)
733 #include <asm/bfin-lq035q1.h>
735 static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data
= {
736 .mode
= LQ035_NORM
| LQ035_RGB
| LQ035_RL
| LQ035_TB
,
737 .ppi_mode
= USE_RGB565_16_BIT_PPI
,
739 .gpio_bl
= GPIO_PG12
,
742 static struct resource bfin_lq035q1_resources
[] = {
744 .start
= IRQ_PPI_ERROR
,
745 .end
= IRQ_PPI_ERROR
,
746 .flags
= IORESOURCE_IRQ
,
750 static struct platform_device bfin_lq035q1_device
= {
751 .name
= "bfin-lq035q1",
753 .num_resources
= ARRAY_SIZE(bfin_lq035q1_resources
),
754 .resource
= bfin_lq035q1_resources
,
756 .platform_data
= &bfin_lq035q1_data
,
761 static struct platform_device
*stamp_devices
[] __initdata
= {
765 #if IS_ENABLED(CONFIG_MTD_NAND_BF5XX)
769 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
773 #if IS_ENABLED(CONFIG_USB_MUSB_HDRC)
777 #if IS_ENABLED(CONFIG_BFIN_MAC)
782 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
786 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
787 #ifdef CONFIG_SERIAL_BFIN_UART0
790 #ifdef CONFIG_SERIAL_BFIN_UART1
795 #if IS_ENABLED(CONFIG_FB_BFIN_LQ035Q1)
796 &bfin_lq035q1_device
,
799 #if IS_ENABLED(CONFIG_BFIN_SIR)
800 #ifdef CONFIG_BFIN_SIR0
803 #ifdef CONFIG_BFIN_SIR1
808 #if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI)
809 &i2c_bfin_twi_device
,
812 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
813 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
814 &bfin_sport0_uart_device
,
816 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
817 &bfin_sport1_uart_device
,
821 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
822 &bfin_device_gpiokeys
,
825 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
830 static int __init
ezbrd_init(void)
832 printk(KERN_INFO
"%s(): registering device resources\n", __func__
);
833 i2c_register_board_info(0, bfin_i2c_board_info
,
834 ARRAY_SIZE(bfin_i2c_board_info
));
835 platform_add_devices(stamp_devices
, ARRAY_SIZE(stamp_devices
));
836 spi_register_board_info(bfin_spi_board_info
, ARRAY_SIZE(bfin_spi_board_info
));
840 arch_initcall(ezbrd_init
);
842 static struct platform_device
*ezbrd_early_devices
[] __initdata
= {
843 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
844 #ifdef CONFIG_SERIAL_BFIN_UART0
847 #ifdef CONFIG_SERIAL_BFIN_UART1
852 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
853 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
854 &bfin_sport0_uart_device
,
856 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
857 &bfin_sport1_uart_device
,
862 void __init
native_machine_early_platform_add_devices(void)
864 printk(KERN_INFO
"register early platform devices\n");
865 early_platform_add_devices(ezbrd_early_devices
,
866 ARRAY_SIZE(ezbrd_early_devices
));
869 void native_machine_restart(char *cmd
)
871 /* workaround reboot hang when booting from SPI */
872 if ((bfin_read_SYSCR() & 0x7) == 0x3)
873 bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS
);
876 int bfin_get_ether_addr(char *addr
)
878 /* the MAC is stored in OTP memory page 0xDF */
881 u32 (*otp_read
)(u32 page
, u32 flags
, u64
*page_content
) = (void *)0xEF00001A;
883 ret
= otp_read(0xDF, 0x00, &otp_mac
);
885 char *otp_mac_p
= (char *)&otp_mac
;
886 for (ret
= 0; ret
< 6; ++ret
)
887 addr
[ret
] = otp_mac_p
[5 - ret
];
891 EXPORT_SYMBOL(bfin_get_ether_addr
);