Blackfin: tll6527m: new board port

Signed-off-by: Ashish Gupta <asg@thelearninglabs.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

4 files changed, 1172 insertions, 0 deletions

diff --git a/arch/blackfin/configs/BF527-TLL6527M_defconfig b/arch/blackfin/configs/BF527-TLL6527M_defconfig
new file mode 100644
index 000000000000..92ded5edc86c
--- /dev/null
+++ b/arch/blackfin/configs/BF527-TLL6527M_defconfig
@@ -0,0 +1,180 @@
+CONFIG_EXPERIMENTAL=y
+CONFIG_LOCALVERSION="DEV_0-1_pre2010"
+CONFIG_SYSVIPC=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_BLK_DEV_INITRD=y
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_EMBEDDED=y
+# CONFIG_SYSCTL_SYSCALL is not set
+# CONFIG_ELF_CORE is not set
+# CONFIG_FUTEX is not set
+# CONFIG_SIGNALFD is not set
+# CONFIG_TIMERFD is not set
+# CONFIG_EVENTFD is not set
+# CONFIG_AIO is not set
+CONFIG_SLAB=y
+CONFIG_MMAP_ALLOW_UNINITIALIZED=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_LBDAF is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_IOSCHED_DEADLINE is not set
+CONFIG_PREEMPT_VOLUNTARY=y
+CONFIG_BF527=y
+CONFIG_BF_REV_0_2=y
+CONFIG_BFIN527_TLL6527M=y
+CONFIG_BF527_UART1_PORTG=y
+CONFIG_IRQ_USB_INT0=11
+CONFIG_IRQ_USB_INT1=11
+CONFIG_IRQ_USB_INT2=11
+CONFIG_IRQ_USB_DMA=11
+CONFIG_BOOT_LOAD=0x400000
+# CONFIG_CYCLES_CLOCKSOURCE is not set
+# CONFIG_SCHEDULE_L1 is not set
+# CONFIG_MEMSET_L1 is not set
+# CONFIG_MEMCPY_L1 is not set
+# CONFIG_SYS_BFIN_SPINLOCK_L1 is not set
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
+CONFIG_BFIN_GPTIMERS=y
+CONFIG_DMA_UNCACHED_2M=y
+CONFIG_C_CDPRIO=y
+CONFIG_BANK_0=0xFFC2
+CONFIG_BANK_1=0xFFC2
+CONFIG_BANK_2=0xFFC2
+CONFIG_BANK_3=0xFFC2
+CONFIG_BINFMT_FLAT=y
+CONFIG_BINFMT_ZFLAT=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+CONFIG_IP_PNP=y
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
+# CONFIG_INET_DIAG is not set
+# CONFIG_IPV6 is not set
+CONFIG_IRDA=m
+CONFIG_IRLAN=m
+CONFIG_IRCOMM=m
+CONFIG_IRTTY_SIR=m
+CONFIG_BFIN_SIR=m
+CONFIG_BFIN_SIR0=y
+# CONFIG_WIRELESS is not set
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+# CONFIG_FW_LOADER is not set
+CONFIG_MTD=y
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLOCK=y
+CONFIG_MTD_CFI=y
+CONFIG_MTD_CFI_INTELEXT=y
+CONFIG_MTD_RAM=y
+CONFIG_MTD_ROM=y
+CONFIG_MTD_COMPLEX_MAPPINGS=y
+CONFIG_MTD_GPIO_ADDR=y
+CONFIG_BLK_DEV_RAM=y
+CONFIG_SCSI=y
+# CONFIG_SCSI_PROC_FS is not set
+CONFIG_BLK_DEV_SD=y
+CONFIG_BLK_DEV_SR=m
+# CONFIG_SCSI_LOWLEVEL is not set
+CONFIG_NETDEVICES=y
+CONFIG_NET_ETHERNET=y
+CONFIG_BFIN_MAC=y
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+# CONFIG_WLAN is not set
+# CONFIG_INPUT_MOUSEDEV is not set
+CONFIG_INPUT_EVDEV=y
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+CONFIG_INPUT_TOUCHSCREEN=y
+CONFIG_TOUCHSCREEN_AD7879=m
+CONFIG_INPUT_MISC=y
+CONFIG_INPUT_AD714X=y
+CONFIG_INPUT_ADXL34X=y
+# CONFIG_SERIO is not set
+CONFIG_BFIN_PPI=m
+CONFIG_BFIN_SIMPLE_TIMER=m
+CONFIG_BFIN_SPORT=m
+# CONFIG_CONSOLE_TRANSLATIONS is not set
+# CONFIG_DEVKMEM is not set
+CONFIG_BFIN_JTAG_COMM=m
+CONFIG_SERIAL_BFIN=y
+CONFIG_SERIAL_BFIN_CONSOLE=y
+CONFIG_SERIAL_BFIN_UART1=y
+# CONFIG_LEGACY_PTYS is not set
+# CONFIG_HW_RANDOM is not set
+CONFIG_I2C_CHARDEV=y
+# CONFIG_I2C_HELPER_AUTO is not set
+CONFIG_I2C_SMBUS=y
+CONFIG_I2C_BLACKFIN_TWI=y
+CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ=100
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_SYSFS=y
+# CONFIG_HWMON is not set
+CONFIG_WATCHDOG=y
+CONFIG_BFIN_WDT=y
+CONFIG_MEDIA_SUPPORT=y
+CONFIG_VIDEO_DEV=y
+# CONFIG_MEDIA_TUNER_CUSTOMISE is not set
+CONFIG_VIDEO_HELPER_CHIPS_AUTO=y
+CONFIG_VIDEO_BLACKFIN_CAM=m
+CONFIG_OV9655=y
+CONFIG_FB=y
+CONFIG_BACKLIGHT_LCD_SUPPORT=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_FONTS=y
+CONFIG_FONT_6x11=y
+CONFIG_LOGO=y
+# CONFIG_LOGO_LINUX_MONO is not set
+# CONFIG_LOGO_LINUX_VGA16 is not set
+# CONFIG_LOGO_LINUX_CLUT224 is not set
+# CONFIG_LOGO_BLACKFIN_VGA16 is not set
+CONFIG_SOUND=y
+CONFIG_SND=y
+CONFIG_SND_MIXER_OSS=y
+CONFIG_SND_PCM_OSS=y
+CONFIG_SND_SOC=y
+CONFIG_SND_BF5XX_I2S=y
+CONFIG_SND_BF5XX_SOC_SSM2602=y
+# CONFIG_HID_SUPPORT is not set
+# CONFIG_USB_SUPPORT is not set
+CONFIG_MMC=m
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_BFIN=y
+CONFIG_EXT2_FS=y
+# CONFIG_DNOTIFY is not set
+CONFIG_ISO9660_FS=m
+CONFIG_JOLIET=y
+CONFIG_UDF_FS=m
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_JFFS2_FS=y
+CONFIG_NFS_FS=m
+CONFIG_NFS_V3=y
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+CONFIG_NLS_CODEPAGE_437=m
+CONFIG_NLS_CODEPAGE_936=m
+CONFIG_NLS_ISO8859_1=m
+CONFIG_NLS_UTF8=m
+CONFIG_DEBUG_KERNEL=y
+CONFIG_DEBUG_SHIRQ=y
+CONFIG_DETECT_HUNG_TASK=y
+CONFIG_DEBUG_INFO=y
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_FTRACE is not set
+CONFIG_DEBUG_MMRS=y
+CONFIG_DEBUG_HWERR=y
+CONFIG_EXACT_HWERR=y
+CONFIG_DEBUG_DOUBLEFAULT=y
+CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION_ONE=y
+CONFIG_EARLY_PRINTK=y
+CONFIG_CPLB_INFO=y
+CONFIG_SECURITY=y
+CONFIG_CRYPTO=y
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+CONFIG_CRC7=m
diff --git a/arch/blackfin/mach-bf527/boards/Kconfig b/arch/blackfin/mach-bf527/boards/Kconfig
index 646bc66def64..1cc2667c10f1 100644
--- a/arch/blackfin/mach-bf527/boards/Kconfig
+++ b/arch/blackfin/mach-bf527/boards/Kconfig
@@ -29,4 +29,9 @@ config BFIN527_AD7160EVAL
 	help
 	  BF527-AD7160-EVAL board support.
 
+config BFIN527_TLL6527M
+	bool "The Learning Labs TLL6527M"
+	help
+	  TLL6527M V1.0 platform support
+
 endchoice
diff --git a/arch/blackfin/mach-bf527/boards/Makefile b/arch/blackfin/mach-bf527/boards/Makefile
index 751d45cdf722..1d67da9f05ac 100644
--- a/arch/blackfin/mach-bf527/boards/Makefile
+++ b/arch/blackfin/mach-bf527/boards/Makefile
@@ -7,3 +7,4 @@ obj-$(CONFIG_BFIN527_EZKIT_V2)         += ezkit.o
 obj-$(CONFIG_BFIN527_BLUETECHNIX_CM)   += cm_bf527.o
 obj-$(CONFIG_BFIN526_EZBRD)            += ezbrd.o
 obj-$(CONFIG_BFIN527_AD7160EVAL)       += ad7160eval.o
+obj-$(CONFIG_BFIN527_TLL6527M)         += tll6527m.o
diff --git a/arch/blackfin/mach-bf527/boards/tll6527m.c b/arch/blackfin/mach-bf527/boards/tll6527m.c
new file mode 100644
index 000000000000..ae4130e97c01
--- /dev/null
+++ b/arch/blackfin/mach-bf527/boards/tll6527m.c
@@ -0,0 +1,986 @@
+/* File:	arch/blackfin/mach-bf527/boards/tll6527m.c
+ * Based on:	arch/blackfin/mach-bf527/boards/ezkit.c
+ * Author:	Ashish Gupta
+ *
+ * Copyright: 2010 - The Learning Labs Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/flash.h>
+#include <linux/i2c.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/usb/musb.h>
+#include <linux/leds.h>
+#include <linux/input.h>
+#include <asm/dma.h>
+#include <asm/bfin5xx_spi.h>
+#include <asm/reboot.h>
+#include <asm/nand.h>
+#include <asm/portmux.h>
+#include <asm/dpmc.h>
+
+#if defined(CONFIG_TOUCHSCREEN_AD7879) \
+	|| defined(CONFIG_TOUCHSCREEN_AD7879_MODULE)
+#include <linux/spi/ad7879.h>
+#define LCD_BACKLIGHT_GPIO 0x40
+/* TLL6527M uses TLL7UIQ35 / ADI LCD EZ Extender. AD7879 AUX GPIO is used for
+ * LCD Backlight Enable
+ */
+#endif
+
+/*
+ * Name the Board for the /proc/cpuinfo
+ */
+const char bfin_board_name[] = "TLL6527M";
+/*
+ *  Driver needs to know address, irq and flag pin.
+ */
+
+#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
+static struct resource musb_resources[] = {
+	[0] = {
+		.start	= 0xffc03800,
+		.end	= 0xffc03cff,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {	/* general IRQ */
+		.start	= IRQ_USB_INT0,
+		.end	= IRQ_USB_INT0,
+		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
+	},
+	[2] = {	/* DMA IRQ */
+		.start	= IRQ_USB_DMA,
+		.end	= IRQ_USB_DMA,
+		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
+	},
+};
+
+static struct musb_hdrc_config musb_config = {
+	.multipoint	= 0,
+	.dyn_fifo	= 0,
+	.soft_con	= 1,
+	.dma		= 1,
+	.num_eps	= 8,
+	.dma_channels	= 8,
+	/*.gpio_vrsel	= GPIO_PG13,*/
+	/* Some custom boards need to be active low, just set it to "0"
+	 * if it is the case.
+	 */
+	.gpio_vrsel_active	= 1,
+};
+
+static struct musb_hdrc_platform_data musb_plat = {
+#if defined(CONFIG_USB_MUSB_OTG)
+	.mode		= MUSB_OTG,
+#elif defined(CONFIG_USB_MUSB_HDRC_HCD)
+	.mode		= MUSB_HOST,
+#elif defined(CONFIG_USB_GADGET_MUSB_HDRC)
+	.mode		= MUSB_PERIPHERAL,
+#endif
+	.config		= &musb_config,
+};
+
+static u64 musb_dmamask = ~(u32)0;
+
+static struct platform_device musb_device = {
+	.name		= "musb_hdrc",
+	.id		= 0,
+	.dev = {
+		.dma_mask		= &musb_dmamask,
+		.coherent_dma_mask	= 0xffffffff,
+		.platform_data		= &musb_plat,
+	},
+	.num_resources	= ARRAY_SIZE(musb_resources),
+	.resource	= musb_resources,
+};
+#endif
+
+#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
+#include <asm/bfin-lq035q1.h>
+
+static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = {
+	.mode = LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB,
+	.ppi_mode = USE_RGB565_16_BIT_PPI,
+	.use_bl = 1,
+	.gpio_bl = LCD_BACKLIGHT_GPIO,
+};
+
+static struct resource bfin_lq035q1_resources[] = {
+	{
+		.start = IRQ_PPI_ERROR,
+		.end = IRQ_PPI_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device bfin_lq035q1_device = {
+	.name		= "bfin-lq035q1",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(bfin_lq035q1_resources),
+	.resource	= bfin_lq035q1_resources,
+	.dev		= {
+		.platform_data = &bfin_lq035q1_data,
+	},
+};
+#endif
+
+#if defined(CONFIG_MTD_GPIO_ADDR) || defined(CONFIG_MTD_GPIO_ADDR_MODULE)
+static struct mtd_partition tll6527m_partitions[] = {
+	{
+		.name       = "bootloader(nor)",
+		.size       = 0xA0000,
+		.offset     = 0,
+	}, {
+		.name       = "linux kernel(nor)",
+		.size       = 0xD00000,
+		.offset     = MTDPART_OFS_APPEND,
+	}, {
+		.name       = "file system(nor)",
+		.size       = MTDPART_SIZ_FULL,
+		.offset     = MTDPART_OFS_APPEND,
+	}
+};
+
+static struct physmap_flash_data tll6527m_flash_data = {
+	.width      = 2,
+	.parts      = tll6527m_partitions,
+	.nr_parts   = ARRAY_SIZE(tll6527m_partitions),
+};
+
+static unsigned tll6527m_flash_gpios[] = { GPIO_PG11, GPIO_PH11, GPIO_PH12 };
+
+static struct resource tll6527m_flash_resource[] = {
+	{
+		.name  = "cfi_probe",
+		.start = 0x20000000,
+		.end   = 0x201fffff,
+		.flags = IORESOURCE_MEM,
+	}, {
+		.start = (unsigned long)tll6527m_flash_gpios,
+		.end   = ARRAY_SIZE(tll6527m_flash_gpios),
+		.flags = IORESOURCE_IRQ,
+	}
+};
+
+static struct platform_device tll6527m_flash_device = {
+	.name          = "gpio-addr-flash",
+	.id            = 0,
+	.dev = {
+		.platform_data = &tll6527m_flash_data,
+	},
+	.num_resources = ARRAY_SIZE(tll6527m_flash_resource),
+	.resource      = tll6527m_flash_resource,
+};
+#endif
+
+#if defined(CONFIG_GPIO_DECODER) || defined(CONFIG_GPIO_DECODER_MODULE)
+/* An SN74LVC138A 3:8 decoder chip has been used to generate 7 augmented
+ * outputs used as SPI CS lines for all SPI SLAVE devices on TLL6527v1-0.
+ * EXP_GPIO_SPISEL_BASE is the base number for the expanded outputs being
+ * used as SPI CS lines, this should be > MAX_BLACKFIN_GPIOS
+ */
+#include <linux/gpio-decoder.h>
+#define EXP_GPIO_SPISEL_BASE 0x64
+static unsigned gpio_addr_inputs[] = {
+	GPIO_PG1, GPIO_PH9, GPIO_PH10
+};
+
+static struct gpio_decoder_platfrom_data spi_decoded_cs = {
+	.base		= EXP_GPIO_SPISEL_BASE,
+	.input_addrs	= gpio_addr_inputs,
+	.nr_input_addrs = ARRAY_SIZE(gpio_addr_inputs),
+	.default_output	= 0,
+/*	.default_output = (1 << ARRAY_SIZE(gpio_addr_inputs)) - 1 */
+};
+
+static struct platform_device spi_decoded_gpio = {
+	.name	= "gpio-decoder",
+	.id	= 0,
+	.dev	= {
+		.platform_data = &spi_decoded_cs,
+	},
+};
+
+#else
+#define EXP_GPIO_SPISEL_BASE 0x0
+
+#endif
+
+#if defined(CONFIG_INPUT_ADXL34X) || defined(CONFIG_INPUT_ADXL34X_MODULE)
+#include <linux/input/adxl34x.h>
+static const struct adxl34x_platform_data adxl345_info = {
+	.x_axis_offset = 0,
+	.y_axis_offset = 0,
+	.z_axis_offset = 0,
+	.tap_threshold = 0x31,
+	.tap_duration = 0x10,
+	.tap_latency = 0x60,
+	.tap_window = 0xF0,
+	.tap_axis_control = ADXL_TAP_X_EN | ADXL_TAP_Y_EN | ADXL_TAP_Z_EN,
+	.act_axis_control = 0xFF,
+	.activity_threshold = 5,
+	.inactivity_threshold = 2,
+	.inactivity_time = 2,
+	.free_fall_threshold = 0x7,
+	.free_fall_time = 0x20,
+	.data_rate = 0x8,
+	.data_range = ADXL_FULL_RES,
+
+	.ev_type = EV_ABS,
+	.ev_code_x = ABS_X,		/* EV_REL */
+	.ev_code_y = ABS_Y,		/* EV_REL */
+	.ev_code_z = ABS_Z,		/* EV_REL */
+
+	.ev_code_tap = {BTN_TOUCH, BTN_TOUCH, BTN_TOUCH}, /* EV_KEY x,y,z */
+
+/*	.ev_code_ff = KEY_F,*/		/* EV_KEY */
+	.ev_code_act_inactivity = KEY_A,	/* EV_KEY */
+	.use_int2 = 1,
+	.power_mode = ADXL_AUTO_SLEEP | ADXL_LINK,
+	.fifo_mode = ADXL_FIFO_STREAM,
+};
+#endif
+
+#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
+static struct platform_device rtc_device = {
+	.name = "rtc-bfin",
+	.id   = -1,
+};
+#endif
+
+#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+static struct platform_device bfin_mii_bus = {
+	.name = "bfin_mii_bus",
+};
+
+static struct platform_device bfin_mac_device = {
+	.name = "bfin_mac",
+	.dev.platform_data = &bfin_mii_bus,
+};
+#endif
+
+#if defined(CONFIG_MTD_M25P80) \
+	|| defined(CONFIG_MTD_M25P80_MODULE)
+static struct mtd_partition bfin_spi_flash_partitions[] = {
+	{
+		.name = "bootloader(spi)",
+		.size = 0x00040000,
+		.offset = 0,
+		.mask_flags = MTD_CAP_ROM
+	}, {
+		.name = "linux kernel(spi)",
+		.size = MTDPART_SIZ_FULL,
+		.offset = MTDPART_OFS_APPEND,
+	}
+};
+
+static struct flash_platform_data bfin_spi_flash_data = {
+	.name = "m25p80",
+	.parts = bfin_spi_flash_partitions,
+	.nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
+	.type = "m25p16",
+};
+
+/* SPI flash chip (m25p64) */
+static struct bfin5xx_spi_chip spi_flash_chip_info = {
+	.enable_dma = 0,         /* use dma transfer with this chip*/
+	.bits_per_word = 8,
+};
+#endif
+
+#if defined(CONFIG_BFIN_SPI_ADC) \
+	|| defined(CONFIG_BFIN_SPI_ADC_MODULE)
+/* SPI ADC chip */
+static struct bfin5xx_spi_chip spi_adc_chip_info = {
+	.enable_dma = 0,         /* use dma transfer with this chip*/
+/*
+ * tll6527m V1.0 does not support native spi slave selects
+ * hence DMA mode will not be useful since the ADC needs
+ * CS to toggle for each sample and cs_change_per_word
+ * seems to be removed from spi_bfin5xx.c
+ */
+	.bits_per_word = 16,
+};
+#endif
+
+#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
+static struct bfin5xx_spi_chip  mmc_spi_chip_info = {
+	.enable_dma = 0,
+	.bits_per_word = 8,
+};
+#endif
+
+#if defined(CONFIG_TOUCHSCREEN_AD7879) \
+	|| defined(CONFIG_TOUCHSCREEN_AD7879_MODULE)
+static const struct ad7879_platform_data bfin_ad7879_ts_info = {
+	.model			= 7879,	/* Model = AD7879 */
+	.x_plate_ohms		= 620,	/* 620 Ohm from the touch datasheet */
+	.pressure_max		= 10000,
+	.pressure_min		= 0,
+	.first_conversion_delay = 3,
+				/* wait 512us before do a first conversion */
+	.acquisition_time	= 1,	/* 4us acquisition time per sample */
+	.median			= 2,	/* do 8 measurements */
+	.averaging		= 1,
+				/* take the average of 4 middle samples */
+	.pen_down_acc_interval	= 255,	/* 9.4 ms */
+	.gpio_export		= 1,	/* configure AUX as GPIO output*/
+	.gpio_base		= LCD_BACKLIGHT_GPIO,
+};
+#endif
+
+#if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) \
+	|| defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
+static struct bfin5xx_spi_chip spi_ad7879_chip_info = {
+	.enable_dma = 0,
+	.bits_per_word = 16,
+};
+#endif
+
+#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
+static struct bfin5xx_spi_chip spidev_chip_info = {
+	.enable_dma = 0,
+	.bits_per_word = 8,
+};
+#endif
+
+#if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
+static struct platform_device bfin_i2s = {
+	.name = "bfin-i2s",
+	.id = CONFIG_SND_BF5XX_SPORT_NUM,
+	/* TODO: add platform data here */
+};
+#endif
+
+#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
+static struct bfin5xx_spi_chip lq035q1_spi_chip_info = {
+	.enable_dma	= 0,
+	.bits_per_word	= 8,
+};
+#endif
+
+#if defined(CONFIG_GPIO_MCP23S08) || defined(CONFIG_GPIO_MCP23S08_MODULE)
+static struct bfin5xx_spi_chip spi_mcp23s08_sys_chip_info = {
+	.enable_dma = 0,
+	.bits_per_word = 8,
+};
+
+static struct bfin5xx_spi_chip spi_mcp23s08_usr_chip_info = {
+	.enable_dma = 0,
+	.bits_per_word = 8,
+};
+
+#include <linux/spi/mcp23s08.h>
+static const struct mcp23s08_platform_data bfin_mcp23s08_sys_gpio_info = {
+	.chip[0].is_present = true,
+	.base = 0x30,
+};
+static const struct mcp23s08_platform_data bfin_mcp23s08_usr_gpio_info = {
+	.chip[2].is_present = true,
+	.base = 0x38,
+};
+#endif
+
+static struct spi_board_info bfin_spi_board_info[] __initdata = {
+#if defined(CONFIG_MTD_M25P80) \
+	|| defined(CONFIG_MTD_M25P80_MODULE)
+	{
+		/* the modalias must be the same as spi device driver name */
+		.modalias = "m25p80", /* Name of spi_driver for this device */
+		.max_speed_hz = 25000000,
+				/* max spi clock (SCK) speed in HZ */
+		.bus_num = 0, /* Framework bus number */
+		.chip_select = EXP_GPIO_SPISEL_BASE + 0x04 + MAX_CTRL_CS,
+		/* Can be connected to TLL6527M GPIO connector */
+		/* Either SPI_ADC or M25P80 FLASH can be installed at a time */
+		.platform_data = &bfin_spi_flash_data,
+		.controller_data = &spi_flash_chip_info,
+		.mode = SPI_MODE_3,
+	},
+#endif
+
+#if defined(CONFIG_BFIN_SPI_ADC)
+	|| defined(CONFIG_BFIN_SPI_ADC_MODULE)
+	{
+		.modalias = "bfin_spi_adc",
+				/* Name of spi_driver for this device */
+		.max_speed_hz = 10000000,
+				/* max spi clock (SCK) speed in HZ */
+		.bus_num = 0, /* Framework bus number */
+		.chip_select = EXP_GPIO_SPISEL_BASE + 0x04 + MAX_CTRL_CS,
+		 /* Framework chip select. */
+		.platform_data = NULL, /* No spi_driver specific config */
+		.controller_data = &spi_adc_chip_info,
+		.mode = SPI_MODE_0,
+	},
+#endif
+
+#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
+	{
+		.modalias = "mmc_spi",
+/*
+ * TLL6527M V1.0 does not support SD Card at SPI Clock > 10 MHz due to
+ * SPI buffer limitations
+ */
+		.max_speed_hz = 10000000,
+					/* max spi clock (SCK) speed in HZ */
+		.bus_num = 0,
+		.chip_select = EXP_GPIO_SPISEL_BASE + 0x05 + MAX_CTRL_CS,
+		.controller_data = &mmc_spi_chip_info,
+		.mode = SPI_MODE_0,
+	},
+#endif
+#if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) \
+	|| defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
+	{
+		.modalias = "ad7879",
+		.platform_data = &bfin_ad7879_ts_info,
+		.irq = IRQ_PH14,
+		.max_speed_hz = 5000000,
+					/* max spi clock (SCK) speed in HZ */
+		.bus_num = 0,
+		.chip_select = EXP_GPIO_SPISEL_BASE + 0x07 + MAX_CTRL_CS,
+		.controller_data = &spi_ad7879_chip_info,
+		.mode = SPI_CPHA | SPI_CPOL,
+	},
+#endif
+#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
+	{
+		.modalias = "spidev",
+		.max_speed_hz = 10000000,
+		/* TLL6527Mv1-0 supports max spi clock (SCK) speed = 10 MHz */
+		.bus_num = 0,
+		.chip_select = EXP_GPIO_SPISEL_BASE + 0x03 + MAX_CTRL_CS,
+		.mode = SPI_CPHA | SPI_CPOL,
+		.controller_data = &spidev_chip_info,
+	},
+#endif
+#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
+	{
+		.modalias = "bfin-lq035q1-spi",
+		.max_speed_hz = 20000000,
+		.bus_num = 0,
+		.chip_select = EXP_GPIO_SPISEL_BASE + 0x06 + MAX_CTRL_CS,
+		.controller_data = &lq035q1_spi_chip_info,
+		.mode = SPI_CPHA | SPI_CPOL,
+	},
+#endif
+#if defined(CONFIG_GPIO_MCP23S08) || defined(CONFIG_GPIO_MCP23S08_MODULE)
+	{
+		.modalias = "mcp23s08",
+		.platform_data = &bfin_mcp23s08_sys_gpio_info,
+		.max_speed_hz = 5000000, /* max spi clock (SCK) speed in HZ */
+		.bus_num = 0,
+		.chip_select = EXP_GPIO_SPISEL_BASE + 0x01 + MAX_CTRL_CS,
+		.controller_data = &spi_mcp23s08_sys_chip_info,
+		.mode = SPI_CPHA | SPI_CPOL,
+	},
+	{
+		.modalias = "mcp23s08",
+		.platform_data = &bfin_mcp23s08_usr_gpio_info,
+		.max_speed_hz = 5000000, /* max spi clock (SCK) speed in HZ */
+		.bus_num = 0,
+		.chip_select = EXP_GPIO_SPISEL_BASE + 0x02 + MAX_CTRL_CS,
+		.controller_data = &spi_mcp23s08_usr_chip_info,
+		.mode = SPI_CPHA | SPI_CPOL,
+	},
+#endif
+};
+
+#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
+/* SPI controller data */
+static struct bfin5xx_spi_master bfin_spi0_info = {
+	.num_chipselect = EXP_GPIO_SPISEL_BASE + 8 + MAX_CTRL_CS,
+	/* EXP_GPIO_SPISEL_BASE will be > MAX_BLACKFIN_GPIOS */
+	.enable_dma = 1,  /* master has the ability to do dma transfer */
+	.pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
+};
+
+/* SPI (0) */
+static struct resource bfin_spi0_resource[] = {
+	[0] = {
+		.start = SPI0_REGBASE,
+		.end   = SPI0_REGBASE + 0xFF,
+		.flags = IORESOURCE_MEM,
+		},
+	[1] = {
+		.start = CH_SPI,
+		.end   = CH_SPI,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = IRQ_SPI,
+		.end   = IRQ_SPI,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device bfin_spi0_device = {
+	.name = "bfin-spi",
+	.id = 0, /* Bus number */
+	.num_resources = ARRAY_SIZE(bfin_spi0_resource),
+	.resource = bfin_spi0_resource,
+	.dev = {
+		.platform_data = &bfin_spi0_info, /* Passed to driver */
+	},
+};
+#endif  /* spi master and devices */
+
+#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
+	{
+		.start = UART0_THR,
+		.end = UART0_GCTL+2,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_UART0_RX,
+		.end = IRQ_UART0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART0_ERROR,
+		.end = IRQ_UART0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART0_TX,
+		.end = CH_UART0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART0_RX,
+		.end = CH_UART0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart0_peripherals[] = {
+	P_UART0_TX, P_UART0_RX, 0
+};
+
+static struct platform_device bfin_uart0_device = {
+	.name = "bfin-uart",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
+	.resource = bfin_uart0_resources,
+	.dev = {
+		.platform_data = &bfin_uart0_peripherals,
+					/* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+static struct resource bfin_uart1_resources[] = {
+	{
+		.start = UART1_THR,
+		.end = UART1_GCTL+2,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_UART1_RX,
+		.end = IRQ_UART1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART1_ERROR,
+		.end = IRQ_UART1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART1_TX,
+		.end = CH_UART1_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART1_RX,
+		.end = CH_UART1_RX,
+		.flags = IORESOURCE_DMA,
+	},
+#ifdef CONFIG_BFIN_UART1_CTSRTS
+	{	/* CTS pin */
+		.start = GPIO_PF9,
+		.end = GPIO_PF9,
+		.flags = IORESOURCE_IO,
+	},
+	{	/* RTS pin */
+		.start = GPIO_PF10,
+		.end = GPIO_PF10,
+		.flags = IORESOURCE_IO,
+	},
+#endif
+};
+
+unsigned short bfin_uart1_peripherals[] = {
+	P_UART1_TX, P_UART1_RX, 0
+};
+
+static struct platform_device bfin_uart1_device = {
+	.name = "bfin-uart",
+	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_uart1_resources),
+	.resource = bfin_uart1_resources,
+	.dev = {
+		.platform_data = &bfin_uart1_peripherals,
+						/* Passed to driver */
+	},
+};
+#endif
+#endif
+
+#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
+#ifdef CONFIG_BFIN_SIR0
+static struct resource bfin_sir0_resources[] = {
+	{
+		.start = 0xFFC00400,
+		.end = 0xFFC004FF,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_UART0_RX,
+		.end = IRQ_UART0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART0_RX,
+		.end = CH_UART0_RX+1,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+static struct platform_device bfin_sir0_device = {
+	.name = "bfin_sir",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_sir0_resources),
+	.resource = bfin_sir0_resources,
+};
+#endif
+#ifdef CONFIG_BFIN_SIR1
+static struct resource bfin_sir1_resources[] = {
+	{
+		.start = 0xFFC02000,
+		.end = 0xFFC020FF,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_UART1_RX,
+		.end = IRQ_UART1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART1_RX,
+		.end = CH_UART1_RX+1,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+static struct platform_device bfin_sir1_device = {
+	.name = "bfin_sir",
+	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_sir1_resources),
+	.resource = bfin_sir1_resources,
+};
+#endif
+#endif
+
+#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
+static struct resource bfin_twi0_resource[] = {
+	[0] = {
+		.start = TWI0_REGBASE,
+		.end   = TWI0_REGBASE,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_TWI,
+		.end   = IRQ_TWI,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device i2c_bfin_twi_device = {
+	.name = "i2c-bfin-twi",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_twi0_resource),
+	.resource = bfin_twi0_resource,
+};
+#endif
+
+static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
+#if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
+	{
+		I2C_BOARD_INFO("pcf8574_lcd", 0x22),
+	},
+#endif
+
+#if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
+	{
+		I2C_BOARD_INFO("bfin-adv7393", 0x2B),
+	},
+#endif
+#if defined(CONFIG_TOUCHSCREEN_AD7879_I2C) \
+	|| defined(CONFIG_TOUCHSCREEN_AD7879_I2C_MODULE)
+	{
+		I2C_BOARD_INFO("ad7879", 0x2C),
+		.irq = IRQ_PH14,
+		.platform_data = (void *)&bfin_ad7879_ts_info,
+	},
+#endif
+#if defined(CONFIG_SND_SOC_SSM2602) || defined(CONFIG_SND_SOC_SSM2602_MODULE)
+	{
+		I2C_BOARD_INFO("ssm2602", 0x1b),
+	},
+#endif
+	{
+		I2C_BOARD_INFO("adm1192", 0x2e),
+	},
+
+	{
+		I2C_BOARD_INFO("ltc3576", 0x09),
+	},
+#if defined(CONFIG_INPUT_ADXL34X_I2C) \
+	|| defined(CONFIG_INPUT_ADXL34X_I2C_MODULE)
+	{
+		I2C_BOARD_INFO("adxl34x", 0x53),
+		.irq = IRQ_PH13,
+		.platform_data = (void *)&adxl345_info,
+	},
+#endif
+};
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT) \
+	|| defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+static struct resource bfin_sport0_uart_resources[] = {
+	{
+		.start = SPORT0_TCR1,
+		.end = SPORT0_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT0_RX,
+		.end = IRQ_SPORT0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT0_ERROR,
+		.end = IRQ_SPORT0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport0_peripherals[] = {
+	P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
+	P_SPORT0_DRPRI, P_SPORT0_RSCLK, P_SPORT0_DRSEC, P_SPORT0_DTSEC, 0
+};
+
+static struct platform_device bfin_sport0_uart_device = {
+	.name = "bfin-sport-uart",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
+	.resource = bfin_sport0_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport0_peripherals,
+		/* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+static struct resource bfin_sport1_uart_resources[] = {
+	{
+		.start = SPORT1_TCR1,
+		.end = SPORT1_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT1_RX,
+		.end = IRQ_SPORT1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT1_ERROR,
+		.end = IRQ_SPORT1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport1_peripherals[] = {
+	P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
+	P_SPORT1_DRPRI, P_SPORT1_RSCLK, P_SPORT1_DRSEC, P_SPORT1_DTSEC, 0
+};
+
+static struct platform_device bfin_sport1_uart_device = {
+	.name = "bfin-sport-uart",
+	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
+	.resource = bfin_sport1_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport1_peripherals,
+		/* Passed to driver */
+	},
+};
+#endif
+#endif
+
+static const unsigned int cclk_vlev_datasheet[] = {
+	VRPAIR(VLEV_100, 400000000),
+	VRPAIR(VLEV_105, 426000000),
+	VRPAIR(VLEV_110, 500000000),
+	VRPAIR(VLEV_115, 533000000),
+	VRPAIR(VLEV_120, 600000000),
+};
+
+static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
+	.tuple_tab = cclk_vlev_datasheet,
+	.tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
+	.vr_settling_time = 25 /* us */,
+};
+
+static struct platform_device bfin_dpmc = {
+	.name = "bfin dpmc",
+	.dev = {
+		.platform_data = &bfin_dmpc_vreg_data,
+	},
+};
+
+static struct platform_device *tll6527m_devices[] __initdata = {
+
+	&bfin_dpmc,
+
+#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
+	&rtc_device,
+#endif
+
+#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
+	&musb_device,
+#endif
+
+#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+	&bfin_mii_bus,
+	&bfin_mac_device,
+#endif
+
+#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
+	&bfin_spi0_device,
+#endif
+
+#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
+	&bfin_lq035q1_device,
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
+#endif
+
+#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
+#ifdef CONFIG_BFIN_SIR0
+	&bfin_sir0_device,
+#endif
+#ifdef CONFIG_BFIN_SIR1
+	&bfin_sir1_device,
+#endif
+#endif
+
+#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
+	&i2c_bfin_twi_device,
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT) \
+	|| defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+	&bfin_sport1_uart_device,
+#endif
+#endif
+
+#if defined(CONFIG_MTD_GPIO_ADDR) || defined(CONFIG_MTD_GPIO_ADDR_MODULE)
+	&tll6527m_flash_device,
+#endif
+
+#if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
+	&bfin_i2s,
+#endif
+
+#if defined(CONFIG_GPIO_DECODER) || defined(CONFIG_GPIO_DECODER_MODULE)
+	&spi_decoded_gpio,
+#endif
+};
+
+static int __init tll6527m_init(void)
+{
+	printk(KERN_INFO "%s(): registering device resources\n", __func__);
+	i2c_register_board_info(0, bfin_i2c_board_info,
+				ARRAY_SIZE(bfin_i2c_board_info));
+	platform_add_devices(tll6527m_devices, ARRAY_SIZE(tll6527m_devices));
+	spi_register_board_info(bfin_spi_board_info,
+				ARRAY_SIZE(bfin_spi_board_info));
+	return 0;
+}
+
+arch_initcall(tll6527m_init);
+
+static struct platform_device *tll6527m_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+	&bfin_sport1_uart_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+	printk(KERN_INFO "register early platform devices\n");
+	early_platform_add_devices(tll6527m_early_devices,
+		ARRAY_SIZE(tll6527m_early_devices));
+}
+
+void native_machine_restart(char *cmd)
+{
+	/* workaround reboot hang when booting from SPI */
+	if ((bfin_read_SYSCR() & 0x7) == 0x3)
+		bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
+}
+
+void bfin_get_ether_addr(char *addr)
+{
+	/* the MAC is stored in OTP memory page 0xDF */
+	u32 ret;
+	u64 otp_mac;
+	u32 (*otp_read)(u32 page, u32 flags,
+			u64 *page_content) = (void *)0xEF00001A;
+
+	ret = otp_read(0xDF, 0x00, &otp_mac);
+	if (!(ret & 0x1)) {
+		char *otp_mac_p = (char *)&otp_mac;
+		for (ret = 0; ret < 6; ++ret)
+			addr[ret] = otp_mac_p[5 - ret];
+	}
+}
+EXPORT_SYMBOL(bfin_get_ether_addr);