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/platform_device.h>
11 #include <linux/mtd/mtd.h>
12 #include <linux/mtd/partitions.h>
13 #include <linux/mtd/physmap.h>
14 #include <linux/spi/spi.h>
15 #include <linux/spi/flash.h>
17 #include <linux/i2c.h>
18 #include <linux/irq.h>
19 #include <linux/interrupt.h>
21 #include <asm/bfin5xx_spi.h>
22 #include <asm/reboot.h>
23 #include <asm/portmux.h>
25 #include <asm/bfin_sdh.h>
26 #include <linux/spi/ad7877.h>
30 * Name the Board for the /proc/cpuinfo
32 const char bfin_board_name
[] = "ADI BF518F-EZBRD";
35 * Driver needs to know address, irq and flag pin.
38 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
39 static struct mtd_partition ezbrd_partitions
[] = {
41 .name
= "bootloader(nor)",
45 .name
= "linux kernel(nor)",
47 .offset
= MTDPART_OFS_APPEND
,
49 .name
= "file system(nor)",
50 .size
= MTDPART_SIZ_FULL
,
51 .offset
= MTDPART_OFS_APPEND
,
55 static struct physmap_flash_data ezbrd_flash_data
= {
57 .parts
= ezbrd_partitions
,
58 .nr_parts
= ARRAY_SIZE(ezbrd_partitions
),
61 static struct resource ezbrd_flash_resource
= {
63 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
68 .flags
= IORESOURCE_MEM
,
71 static struct platform_device ezbrd_flash_device
= {
72 .name
= "physmap-flash",
75 .platform_data
= &ezbrd_flash_data
,
78 .resource
= &ezbrd_flash_resource
,
82 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
83 static struct platform_device rtc_device
= {
89 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
90 #include <linux/bfin_mac.h>
91 static const unsigned short bfin_mac_peripherals
[] = {
105 static struct bfin_phydev_platform_data bfin_phydev_data
[] = {
107 #if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
112 .irq
= IRQ_MAC_PHYINT
,
116 static struct bfin_mii_bus_platform_data bfin_mii_bus_data
= {
118 .phydev_data
= bfin_phydev_data
,
119 .phy_mode
= PHY_INTERFACE_MODE_MII
,
120 .mac_peripherals
= bfin_mac_peripherals
,
121 #if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
122 .phy_mask
= 0xfff7, /* Only probe the port phy connect to the on chip MAC */
126 static struct platform_device bfin_mii_bus
= {
127 .name
= "bfin_mii_bus",
129 .platform_data
= &bfin_mii_bus_data
,
133 static struct platform_device bfin_mac_device
= {
136 .platform_data
= &bfin_mii_bus
,
140 #if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
141 static struct dsa_chip_data ksz8893m_switch_chip_data
= {
142 .mii_bus
= &bfin_mii_bus
.dev
,
150 static struct dsa_platform_data ksz8893m_switch_data
= {
152 .netdev
= &bfin_mac_device
.dev
,
153 .chip
= &ksz8893m_switch_chip_data
,
156 static struct platform_device ksz8893m_switch_device
= {
160 .dev
.platform_data
= &ksz8893m_switch_data
,
165 #if defined(CONFIG_MTD_M25P80) \
166 || defined(CONFIG_MTD_M25P80_MODULE)
167 static struct mtd_partition bfin_spi_flash_partitions
[] = {
169 .name
= "bootloader(spi)",
172 .mask_flags
= MTD_CAP_ROM
174 .name
= "linux kernel(spi)",
175 .size
= MTDPART_SIZ_FULL
,
176 .offset
= MTDPART_OFS_APPEND
,
180 static struct flash_platform_data bfin_spi_flash_data
= {
182 .parts
= bfin_spi_flash_partitions
,
183 .nr_parts
= ARRAY_SIZE(bfin_spi_flash_partitions
),
187 /* SPI flash chip (m25p64) */
188 static struct bfin5xx_spi_chip spi_flash_chip_info
= {
189 .enable_dma
= 0, /* use dma transfer with this chip*/
193 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
194 static struct bfin5xx_spi_chip mmc_spi_chip_info
= {
199 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
200 static const struct ad7877_platform_data bfin_ad7877_ts_info
= {
202 .vref_delay_usecs
= 50, /* internal, no capacitor */
205 .pressure_max
= 1000,
207 .stopacq_polarity
= 1,
208 .first_conversion_delay
= 3,
209 .acquisition_time
= 1,
211 .pen_down_acc_interval
= 1,
215 static struct spi_board_info bfin_spi_board_info
[] __initdata
= {
216 #if defined(CONFIG_MTD_M25P80) \
217 || defined(CONFIG_MTD_M25P80_MODULE)
219 /* the modalias must be the same as spi device driver name */
220 .modalias
= "m25p80", /* Name of spi_driver for this device */
221 .max_speed_hz
= 25000000, /* max spi clock (SCK) speed in HZ */
222 .bus_num
= 0, /* Framework bus number */
223 .chip_select
= 2, /* On BF518F-EZBRD it's SPI0_SSEL2 */
224 .platform_data
= &bfin_spi_flash_data
,
225 .controller_data
= &spi_flash_chip_info
,
230 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
231 #if defined(CONFIG_NET_DSA_KSZ8893M) \
232 || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
234 .modalias
= "ksz8893m",
235 .max_speed_hz
= 5000000,
238 .platform_data
= NULL
,
244 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
246 .modalias
= "mmc_spi",
247 .max_speed_hz
= 25000000, /* max spi clock (SCK) speed in HZ */
250 .controller_data
= &mmc_spi_chip_info
,
254 #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
256 .modalias
= "ad7877",
257 .platform_data
= &bfin_ad7877_ts_info
,
259 .max_speed_hz
= 12500000, /* max spi clock (SCK) speed in HZ */
264 #if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
265 && defined(CONFIG_SND_SOC_WM8731_SPI)
267 .modalias
= "wm8731",
268 .max_speed_hz
= 3125000, /* max spi clock (SCK) speed in HZ */
274 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
276 .modalias
= "spidev",
277 .max_speed_hz
= 3125000, /* max spi clock (SCK) speed in HZ */
282 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
284 .modalias
= "bfin-lq035q1-spi",
285 .max_speed_hz
= 20000000, /* max spi clock (SCK) speed in HZ */
288 .mode
= SPI_CPHA
| SPI_CPOL
,
293 /* SPI controller data */
294 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
296 static struct bfin5xx_spi_master bfin_spi0_info
= {
298 .enable_dma
= 1, /* master has the ability to do dma transfer */
299 .pin_req
= {P_SPI0_SCK
, P_SPI0_MISO
, P_SPI0_MOSI
, 0},
302 static struct resource bfin_spi0_resource
[] = {
304 .start
= SPI0_REGBASE
,
305 .end
= SPI0_REGBASE
+ 0xFF,
306 .flags
= IORESOURCE_MEM
,
311 .flags
= IORESOURCE_DMA
,
316 .flags
= IORESOURCE_IRQ
,
320 static struct platform_device bfin_spi0_device
= {
322 .id
= 0, /* Bus number */
323 .num_resources
= ARRAY_SIZE(bfin_spi0_resource
),
324 .resource
= bfin_spi0_resource
,
326 .platform_data
= &bfin_spi0_info
, /* Passed to driver */
331 static struct bfin5xx_spi_master bfin_spi1_info
= {
333 .enable_dma
= 1, /* master has the ability to do dma transfer */
334 .pin_req
= {P_SPI1_SCK
, P_SPI1_MISO
, P_SPI1_MOSI
, 0},
337 static struct resource bfin_spi1_resource
[] = {
339 .start
= SPI1_REGBASE
,
340 .end
= SPI1_REGBASE
+ 0xFF,
341 .flags
= IORESOURCE_MEM
,
346 .flags
= IORESOURCE_DMA
,
351 .flags
= IORESOURCE_IRQ
,
355 static struct platform_device bfin_spi1_device
= {
357 .id
= 1, /* Bus number */
358 .num_resources
= ARRAY_SIZE(bfin_spi1_resource
),
359 .resource
= bfin_spi1_resource
,
361 .platform_data
= &bfin_spi1_info
, /* Passed to driver */
364 #endif /* spi master and devices */
366 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
367 #ifdef CONFIG_SERIAL_BFIN_UART0
368 static struct resource bfin_uart0_resources
[] = {
372 .flags
= IORESOURCE_MEM
,
375 .start
= IRQ_UART0_RX
,
376 .end
= IRQ_UART0_RX
+1,
377 .flags
= IORESOURCE_IRQ
,
380 .start
= IRQ_UART0_ERROR
,
381 .end
= IRQ_UART0_ERROR
,
382 .flags
= IORESOURCE_IRQ
,
385 .start
= CH_UART0_TX
,
387 .flags
= IORESOURCE_DMA
,
390 .start
= CH_UART0_RX
,
392 .flags
= IORESOURCE_DMA
,
396 static unsigned short bfin_uart0_peripherals
[] = {
397 P_UART0_TX
, P_UART0_RX
, 0
400 static struct platform_device bfin_uart0_device
= {
403 .num_resources
= ARRAY_SIZE(bfin_uart0_resources
),
404 .resource
= bfin_uart0_resources
,
406 .platform_data
= &bfin_uart0_peripherals
, /* Passed to driver */
410 #ifdef CONFIG_SERIAL_BFIN_UART1
411 static struct resource bfin_uart1_resources
[] = {
415 .flags
= IORESOURCE_MEM
,
418 .start
= IRQ_UART1_RX
,
419 .end
= IRQ_UART1_RX
+1,
420 .flags
= IORESOURCE_IRQ
,
423 .start
= IRQ_UART1_ERROR
,
424 .end
= IRQ_UART1_ERROR
,
425 .flags
= IORESOURCE_IRQ
,
428 .start
= CH_UART1_TX
,
430 .flags
= IORESOURCE_DMA
,
433 .start
= CH_UART1_RX
,
435 .flags
= IORESOURCE_DMA
,
439 static unsigned short bfin_uart1_peripherals
[] = {
440 P_UART1_TX
, P_UART1_RX
, 0
443 static struct platform_device bfin_uart1_device
= {
446 .num_resources
= ARRAY_SIZE(bfin_uart1_resources
),
447 .resource
= bfin_uart1_resources
,
449 .platform_data
= &bfin_uart1_peripherals
, /* Passed to driver */
455 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
456 #ifdef CONFIG_BFIN_SIR0
457 static struct resource bfin_sir0_resources
[] = {
461 .flags
= IORESOURCE_MEM
,
464 .start
= IRQ_UART0_RX
,
465 .end
= IRQ_UART0_RX
+1,
466 .flags
= IORESOURCE_IRQ
,
469 .start
= CH_UART0_RX
,
470 .end
= CH_UART0_RX
+1,
471 .flags
= IORESOURCE_DMA
,
475 static struct platform_device bfin_sir0_device
= {
478 .num_resources
= ARRAY_SIZE(bfin_sir0_resources
),
479 .resource
= bfin_sir0_resources
,
482 #ifdef CONFIG_BFIN_SIR1
483 static struct resource bfin_sir1_resources
[] = {
487 .flags
= IORESOURCE_MEM
,
490 .start
= IRQ_UART1_RX
,
491 .end
= IRQ_UART1_RX
+1,
492 .flags
= IORESOURCE_IRQ
,
495 .start
= CH_UART1_RX
,
496 .end
= CH_UART1_RX
+1,
497 .flags
= IORESOURCE_DMA
,
501 static struct platform_device bfin_sir1_device
= {
504 .num_resources
= ARRAY_SIZE(bfin_sir1_resources
),
505 .resource
= bfin_sir1_resources
,
510 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
511 static struct platform_device bfin_i2s
= {
513 .id
= CONFIG_SND_BF5XX_SPORT_NUM
,
514 /* TODO: add platform data here */
518 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
519 static struct resource bfin_twi0_resource
[] = {
521 .start
= TWI0_REGBASE
,
523 .flags
= IORESOURCE_MEM
,
528 .flags
= IORESOURCE_IRQ
,
532 static struct platform_device i2c_bfin_twi_device
= {
533 .name
= "i2c-bfin-twi",
535 .num_resources
= ARRAY_SIZE(bfin_twi0_resource
),
536 .resource
= bfin_twi0_resource
,
540 static struct i2c_board_info __initdata bfin_i2c_board_info
[] = {
541 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
543 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
546 #if defined(CONFIG_INPUT_PCF8574) || defined(CONFIG_INPUT_PCF8574_MODULE)
548 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
552 #if defined(CONFIG_SND_SOC_SSM2602) || defined(CONFIG_SND_SOC_SSM2602_MODULE)
554 I2C_BOARD_INFO("ssm2602", 0x1b),
559 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
560 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
561 static struct resource bfin_sport0_uart_resources
[] = {
563 .start
= SPORT0_TCR1
,
564 .end
= SPORT0_MRCS3
+4,
565 .flags
= IORESOURCE_MEM
,
568 .start
= IRQ_SPORT0_RX
,
569 .end
= IRQ_SPORT0_RX
+1,
570 .flags
= IORESOURCE_IRQ
,
573 .start
= IRQ_SPORT0_ERROR
,
574 .end
= IRQ_SPORT0_ERROR
,
575 .flags
= IORESOURCE_IRQ
,
579 static unsigned short bfin_sport0_peripherals
[] = {
580 P_SPORT0_TFS
, P_SPORT0_DTPRI
, P_SPORT0_TSCLK
, P_SPORT0_RFS
,
581 P_SPORT0_DRPRI
, P_SPORT0_RSCLK
, 0
584 static struct platform_device bfin_sport0_uart_device
= {
585 .name
= "bfin-sport-uart",
587 .num_resources
= ARRAY_SIZE(bfin_sport0_uart_resources
),
588 .resource
= bfin_sport0_uart_resources
,
590 .platform_data
= &bfin_sport0_peripherals
, /* Passed to driver */
594 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
595 static struct resource bfin_sport1_uart_resources
[] = {
597 .start
= SPORT1_TCR1
,
598 .end
= SPORT1_MRCS3
+4,
599 .flags
= IORESOURCE_MEM
,
602 .start
= IRQ_SPORT1_RX
,
603 .end
= IRQ_SPORT1_RX
+1,
604 .flags
= IORESOURCE_IRQ
,
607 .start
= IRQ_SPORT1_ERROR
,
608 .end
= IRQ_SPORT1_ERROR
,
609 .flags
= IORESOURCE_IRQ
,
613 static unsigned short bfin_sport1_peripherals
[] = {
614 P_SPORT1_TFS
, P_SPORT1_DTPRI
, P_SPORT1_TSCLK
, P_SPORT1_RFS
,
615 P_SPORT1_DRPRI
, P_SPORT1_RSCLK
, 0
618 static struct platform_device bfin_sport1_uart_device
= {
619 .name
= "bfin-sport-uart",
621 .num_resources
= ARRAY_SIZE(bfin_sport1_uart_resources
),
622 .resource
= bfin_sport1_uart_resources
,
624 .platform_data
= &bfin_sport1_peripherals
, /* Passed to driver */
630 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
631 #include <linux/input.h>
632 #include <linux/gpio_keys.h>
634 static struct gpio_keys_button bfin_gpio_keys_table
[] = {
635 {BTN_0
, GPIO_PG0
, 1, "gpio-keys: BTN0"},
636 {BTN_1
, GPIO_PG13
, 1, "gpio-keys: BTN1"},
639 static struct gpio_keys_platform_data bfin_gpio_keys_data
= {
640 .buttons
= bfin_gpio_keys_table
,
641 .nbuttons
= ARRAY_SIZE(bfin_gpio_keys_table
),
644 static struct platform_device bfin_device_gpiokeys
= {
647 .platform_data
= &bfin_gpio_keys_data
,
652 #if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE)
654 static struct bfin_sd_host bfin_sdh_data
= {
656 .irq_int0
= IRQ_RSI_INT0
,
657 .pin_req
= {P_RSI_DATA0
, P_RSI_DATA1
, P_RSI_DATA2
, P_RSI_DATA3
, P_RSI_CMD
, P_RSI_CLK
, 0},
660 static struct platform_device bf51x_sdh_device
= {
664 .platform_data
= &bfin_sdh_data
,
669 static const unsigned int cclk_vlev_datasheet
[] =
671 VRPAIR(VLEV_100
, 400000000),
672 VRPAIR(VLEV_105
, 426000000),
673 VRPAIR(VLEV_110
, 500000000),
674 VRPAIR(VLEV_115
, 533000000),
675 VRPAIR(VLEV_120
, 600000000),
678 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data
= {
679 .tuple_tab
= cclk_vlev_datasheet
,
680 .tabsize
= ARRAY_SIZE(cclk_vlev_datasheet
),
681 .vr_settling_time
= 25 /* us */,
684 static struct platform_device bfin_dpmc
= {
687 .platform_data
= &bfin_dmpc_vreg_data
,
691 static struct platform_device
*stamp_devices
[] __initdata
= {
695 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
699 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
702 #if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE)
703 &ksz8893m_switch_device
,
707 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
712 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
713 #ifdef CONFIG_SERIAL_BFIN_UART0
716 #ifdef CONFIG_SERIAL_BFIN_UART1
721 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
722 #ifdef CONFIG_BFIN_SIR0
725 #ifdef CONFIG_BFIN_SIR1
730 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
731 &i2c_bfin_twi_device
,
734 #if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
738 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
739 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
740 &bfin_sport0_uart_device
,
742 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
743 &bfin_sport1_uart_device
,
747 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
748 &bfin_device_gpiokeys
,
751 #if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE)
755 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
760 static int __init
ezbrd_init(void)
762 printk(KERN_INFO
"%s(): registering device resources\n", __func__
);
763 i2c_register_board_info(0, bfin_i2c_board_info
,
764 ARRAY_SIZE(bfin_i2c_board_info
));
765 platform_add_devices(stamp_devices
, ARRAY_SIZE(stamp_devices
));
766 spi_register_board_info(bfin_spi_board_info
, ARRAY_SIZE(bfin_spi_board_info
));
767 /* setup BF518-EZBRD GPIO pin PG11 to AMS2, PG15 to AMS3. */
768 peripheral_request(P_AMS2
, "ParaFlash");
769 #if !defined(CONFIG_SPI_BFIN) && !defined(CONFIG_SPI_BFIN_MODULE)
770 peripheral_request(P_AMS3
, "ParaFlash");
775 arch_initcall(ezbrd_init
);
777 static struct platform_device
*ezbrd_early_devices
[] __initdata
= {
778 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
779 #ifdef CONFIG_SERIAL_BFIN_UART0
782 #ifdef CONFIG_SERIAL_BFIN_UART1
787 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
788 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
789 &bfin_sport0_uart_device
,
791 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
792 &bfin_sport1_uart_device
,
797 void __init
native_machine_early_platform_add_devices(void)
799 printk(KERN_INFO
"register early platform devices\n");
800 early_platform_add_devices(ezbrd_early_devices
,
801 ARRAY_SIZE(ezbrd_early_devices
));
804 void native_machine_restart(char *cmd
)
806 /* workaround reboot hang when booting from SPI */
807 if ((bfin_read_SYSCR() & 0x7) == 0x3)
808 bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS
);
811 void bfin_get_ether_addr(char *addr
)
813 /* the MAC is stored in OTP memory page 0xDF */
816 u32 (*otp_read
)(u32 page
, u32 flags
, u64
*page_content
) = (void *)0xEF00001A;
818 ret
= otp_read(0xDF, 0x00, &otp_mac
);
820 char *otp_mac_p
= (char *)&otp_mac
;
821 for (ret
= 0; ret
< 6; ++ret
)
822 addr
[ret
] = otp_mac_p
[5 - ret
];
825 EXPORT_SYMBOL(bfin_get_ether_addr
);