539 lines
11 KiB
C
539 lines
11 KiB
C
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/*
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* Copyright 2004-2009 Analog Devices Inc.
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* 2005 National ICT Australia (NICTA)
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* Aidan Williams <aidan@nicta.com.au>
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*
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* Licensed under the GPL-2 or later.
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*/
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#include <linux/device.h>
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#include <linux/etherdevice.h>
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#include <linux/export.h>
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#include <linux/platform_device.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/flash.h>
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#include <linux/irq.h>
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#include <asm/dma.h>
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#include <asm/bfin5xx_spi.h>
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#include <asm/portmux.h>
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#include <linux/spi/ad7877.h>
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/*
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* Name the Board for the /proc/cpuinfo
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*/
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const char bfin_board_name[] = "ADI PNAV-1.0";
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/*
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* Driver needs to know address, irq and flag pin.
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*/
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#if IS_ENABLED(CONFIG_BFIN_CFPCMCIA)
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static struct resource bfin_pcmcia_cf_resources[] = {
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{
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.start = 0x20310000, /* IO PORT */
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.end = 0x20312000,
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.flags = IORESOURCE_MEM,
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}, {
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.start = 0x20311000, /* Attribute Memory */
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.end = 0x20311FFF,
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.flags = IORESOURCE_MEM,
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}, {
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.start = IRQ_PF4,
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.end = IRQ_PF4,
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
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}, {
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.start = 6, /* Card Detect PF6 */
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.end = 6,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device bfin_pcmcia_cf_device = {
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.name = "bfin_cf_pcmcia",
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.id = -1,
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.num_resources = ARRAY_SIZE(bfin_pcmcia_cf_resources),
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.resource = bfin_pcmcia_cf_resources,
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};
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#endif
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#if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
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static struct platform_device rtc_device = {
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.name = "rtc-bfin",
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.id = -1,
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};
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#endif
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#if IS_ENABLED(CONFIG_SMC91X)
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#include <linux/smc91x.h>
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static struct smc91x_platdata smc91x_info = {
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.flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
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.leda = RPC_LED_100_10,
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.ledb = RPC_LED_TX_RX,
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};
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static struct resource smc91x_resources[] = {
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{
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.name = "smc91x-regs",
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.start = 0x20300300,
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.end = 0x20300300 + 16,
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.flags = IORESOURCE_MEM,
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}, {
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.start = IRQ_PF7,
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.end = IRQ_PF7,
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
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},
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};
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static struct platform_device smc91x_device = {
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.name = "smc91x",
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.id = 0,
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.num_resources = ARRAY_SIZE(smc91x_resources),
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.resource = smc91x_resources,
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.dev = {
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.platform_data = &smc91x_info,
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},
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};
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#endif
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#if IS_ENABLED(CONFIG_BFIN_MAC)
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#include <linux/bfin_mac.h>
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static const unsigned short bfin_mac_peripherals[] = P_RMII0;
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static struct bfin_phydev_platform_data bfin_phydev_data[] = {
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{
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.addr = 1,
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.irq = IRQ_MAC_PHYINT,
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},
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};
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static struct bfin_mii_bus_platform_data bfin_mii_bus_data = {
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.phydev_number = 1,
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.phydev_data = bfin_phydev_data,
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.phy_mode = PHY_INTERFACE_MODE_RMII,
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.mac_peripherals = bfin_mac_peripherals,
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};
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static struct platform_device bfin_mii_bus = {
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.name = "bfin_mii_bus",
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.dev = {
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.platform_data = &bfin_mii_bus_data,
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}
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};
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static struct platform_device bfin_mac_device = {
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.name = "bfin_mac",
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.dev = {
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.platform_data = &bfin_mii_bus,
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}
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};
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#endif
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#if IS_ENABLED(CONFIG_USB_NET2272)
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static struct resource net2272_bfin_resources[] = {
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{
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.start = 0x20300000,
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.end = 0x20300000 + 0x100,
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.flags = IORESOURCE_MEM,
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}, {
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.start = IRQ_PF7,
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.end = IRQ_PF7,
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
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},
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};
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static struct platform_device net2272_bfin_device = {
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.name = "net2272",
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.id = -1,
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.num_resources = ARRAY_SIZE(net2272_bfin_resources),
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.resource = net2272_bfin_resources,
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};
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#endif
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#if IS_ENABLED(CONFIG_SPI_BFIN5XX)
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/* all SPI peripherals info goes here */
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#if IS_ENABLED(CONFIG_MTD_M25P80)
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static struct mtd_partition bfin_spi_flash_partitions[] = {
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{
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.name = "bootloader(spi)",
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.size = 0x00020000,
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.offset = 0,
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.mask_flags = MTD_CAP_ROM
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}, {
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.name = "linux kernel(spi)",
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.size = 0xe0000,
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.offset = 0x20000
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}, {
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.name = "file system(spi)",
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.size = 0x700000,
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.offset = 0x00100000,
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}
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};
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static struct flash_platform_data bfin_spi_flash_data = {
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.name = "m25p80",
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.parts = bfin_spi_flash_partitions,
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.nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
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.type = "m25p64",
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};
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/* SPI flash chip (m25p64) */
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static struct bfin5xx_spi_chip spi_flash_chip_info = {
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.enable_dma = 0, /* use dma transfer with this chip*/
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};
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#endif
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#if IS_ENABLED(CONFIG_MMC_SPI)
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static struct bfin5xx_spi_chip mmc_spi_chip_info = {
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.enable_dma = 0,
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};
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#endif
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#if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7877)
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static const struct ad7877_platform_data bfin_ad7877_ts_info = {
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.model = 7877,
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.vref_delay_usecs = 50, /* internal, no capacitor */
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.x_plate_ohms = 419,
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.y_plate_ohms = 486,
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.pressure_max = 1000,
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.pressure_min = 0,
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.stopacq_polarity = 1,
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.first_conversion_delay = 3,
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.acquisition_time = 1,
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.averaging = 1,
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.pen_down_acc_interval = 1,
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};
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#endif
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static struct spi_board_info bfin_spi_board_info[] __initdata = {
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#if IS_ENABLED(CONFIG_MTD_M25P80)
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{
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/* the modalias must be the same as spi device driver name */
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.modalias = "m25p80", /* Name of spi_driver for this device */
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.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
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.bus_num = 0, /* Framework bus number */
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.chip_select = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
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.platform_data = &bfin_spi_flash_data,
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.controller_data = &spi_flash_chip_info,
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.mode = SPI_MODE_3,
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},
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#endif
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#if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD183X)
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{
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.modalias = "ad183x",
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.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
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.bus_num = 0,
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.chip_select = 4,
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},
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#endif
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#if IS_ENABLED(CONFIG_MMC_SPI)
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{
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.modalias = "mmc_spi",
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.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
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.bus_num = 0,
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.chip_select = 5,
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.controller_data = &mmc_spi_chip_info,
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.mode = SPI_MODE_3,
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},
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#endif
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#if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7877)
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{
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.modalias = "ad7877",
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.platform_data = &bfin_ad7877_ts_info,
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.irq = IRQ_PF2,
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.max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
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.bus_num = 0,
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.chip_select = 5,
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},
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#endif
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};
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/* SPI (0) */
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static struct resource bfin_spi0_resource[] = {
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[0] = {
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.start = SPI0_REGBASE,
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.end = SPI0_REGBASE + 0xFF,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = CH_SPI,
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.end = CH_SPI,
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.flags = IORESOURCE_DMA,
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},
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[2] = {
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.start = IRQ_SPI,
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.end = IRQ_SPI,
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.flags = IORESOURCE_IRQ,
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},
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};
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/* SPI controller data */
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static struct bfin5xx_spi_master bfin_spi0_info = {
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.num_chipselect = 8,
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.enable_dma = 1, /* master has the ability to do dma transfer */
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.pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
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};
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static struct platform_device bfin_spi0_device = {
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.name = "bfin-spi",
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.id = 0, /* Bus number */
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.num_resources = ARRAY_SIZE(bfin_spi0_resource),
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.resource = bfin_spi0_resource,
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.dev = {
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.platform_data = &bfin_spi0_info, /* Passed to driver */
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},
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};
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#endif /* spi master and devices */
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#if IS_ENABLED(CONFIG_FB_BF537_LQ035)
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static struct platform_device bfin_fb_device = {
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.name = "bf537-lq035",
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};
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#endif
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#if IS_ENABLED(CONFIG_SERIAL_BFIN)
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#ifdef CONFIG_SERIAL_BFIN_UART0
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static struct resource bfin_uart0_resources[] = {
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{
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.start = UART0_THR,
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.end = UART0_GCTL+2,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = IRQ_UART0_TX,
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.end = IRQ_UART0_TX,
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.flags = IORESOURCE_IRQ,
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},
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{
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.start = IRQ_UART0_RX,
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.end = IRQ_UART0_RX,
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.flags = IORESOURCE_IRQ,
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},
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{
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.start = IRQ_UART0_ERROR,
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.end = IRQ_UART0_ERROR,
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.flags = IORESOURCE_IRQ,
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},
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{
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.start = CH_UART0_TX,
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.end = CH_UART0_TX,
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.flags = IORESOURCE_DMA,
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},
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{
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.start = CH_UART0_RX,
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.end = CH_UART0_RX,
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.flags = IORESOURCE_DMA,
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},
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};
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static unsigned short bfin_uart0_peripherals[] = {
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P_UART0_TX, P_UART0_RX, 0
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};
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static struct platform_device bfin_uart0_device = {
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.name = "bfin-uart",
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.id = 0,
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.num_resources = ARRAY_SIZE(bfin_uart0_resources),
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.resource = bfin_uart0_resources,
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.dev = {
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.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
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},
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};
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#endif
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#ifdef CONFIG_SERIAL_BFIN_UART1
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static struct resource bfin_uart1_resources[] = {
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{
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.start = UART1_THR,
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.end = UART1_GCTL+2,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = IRQ_UART1_TX,
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.end = IRQ_UART1_TX,
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.flags = IORESOURCE_IRQ,
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},
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{
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.start = IRQ_UART1_RX,
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.end = IRQ_UART1_RX,
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.flags = IORESOURCE_IRQ,
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},
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{
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.start = IRQ_UART1_ERROR,
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.end = IRQ_UART1_ERROR,
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.flags = IORESOURCE_IRQ,
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},
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{
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.start = CH_UART1_TX,
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.end = CH_UART1_TX,
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|
.flags = IORESOURCE_DMA,
|
||
|
|
},
|
||
|
|
{
|
||
|
|
.start = CH_UART1_RX,
|
||
|
|
.end = CH_UART1_RX,
|
||
|
|
.flags = IORESOURCE_DMA,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static 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 IS_ENABLED(CONFIG_BFIN_SIR)
|
||
|
|
#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
|
||
|
|
|
||
|
|
static struct platform_device *stamp_devices[] __initdata = {
|
||
|
|
#if IS_ENABLED(CONFIG_BFIN_CFPCMCIA)
|
||
|
|
&bfin_pcmcia_cf_device,
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
|
||
|
|
&rtc_device,
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if IS_ENABLED(CONFIG_SMC91X)
|
||
|
|
&smc91x_device,
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if IS_ENABLED(CONFIG_BFIN_MAC)
|
||
|
|
&bfin_mii_bus,
|
||
|
|
&bfin_mac_device,
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if IS_ENABLED(CONFIG_USB_NET2272)
|
||
|
|
&net2272_bfin_device,
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if IS_ENABLED(CONFIG_SPI_BFIN5XX)
|
||
|
|
&bfin_spi0_device,
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if IS_ENABLED(CONFIG_FB_BF537_LQ035)
|
||
|
|
&bfin_fb_device,
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if IS_ENABLED(CONFIG_SERIAL_BFIN)
|
||
|
|
#ifdef CONFIG_SERIAL_BFIN_UART0
|
||
|
|
&bfin_uart0_device,
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_SERIAL_BFIN_UART1
|
||
|
|
&bfin_uart1_device,
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if IS_ENABLED(CONFIG_BFIN_SIR)
|
||
|
|
#ifdef CONFIG_BFIN_SIR0
|
||
|
|
&bfin_sir0_device,
|
||
|
|
#endif
|
||
|
|
#ifdef CONFIG_BFIN_SIR1
|
||
|
|
&bfin_sir1_device,
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
};
|
||
|
|
|
||
|
|
static int __init pnav_init(void)
|
||
|
|
{
|
||
|
|
printk(KERN_INFO "%s(): registering device resources\n", __func__);
|
||
|
|
platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
|
||
|
|
#if IS_ENABLED(CONFIG_SPI_BFIN5XX)
|
||
|
|
spi_register_board_info(bfin_spi_board_info,
|
||
|
|
ARRAY_SIZE(bfin_spi_board_info));
|
||
|
|
#endif
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
arch_initcall(pnav_init);
|
||
|
|
|
||
|
|
static struct platform_device *stamp_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
|
||
|
|
};
|
||
|
|
|
||
|
|
void __init native_machine_early_platform_add_devices(void)
|
||
|
|
{
|
||
|
|
printk(KERN_INFO "register early platform devices\n");
|
||
|
|
early_platform_add_devices(stamp_early_devices,
|
||
|
|
ARRAY_SIZE(stamp_early_devices));
|
||
|
|
}
|
||
|
|
|
||
|
|
int bfin_get_ether_addr(char *addr)
|
||
|
|
{
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
EXPORT_SYMBOL(bfin_get_ether_addr);
|