803 lines
17 KiB
C
803 lines
17 KiB
C
/*
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* Copyright 2004-2009 Analog Devices Inc.
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* 2008-2009 Bluetechnix
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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/mtd/physmap.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/flash.h>
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#if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
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#include <linux/usb/isp1362.h>
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#endif
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#include <linux/ata_platform.h>
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#include <linux/irq.h>
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#include <linux/gpio.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 <asm/dpmc.h>
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#include <linux/spi/mmc_spi.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[] = "Bluetechnix CM BF537U";
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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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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 = 20000000, /* max spi clock (SCK) speed in HZ */
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.bus_num = 0,
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.chip_select = 1,
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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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};
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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_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_FB_HITACHI_TX09)
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static struct platform_device hitachi_fb_device = {
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.name = "hitachi-tx09",
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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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.start = 0x20200300,
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.end = 0x20200300 + 16,
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.flags = IORESOURCE_MEM,
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}, {
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.start = IRQ_PF14,
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.end = IRQ_PF14,
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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_USB_ISP1362_HCD)
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static struct resource isp1362_hcd_resources[] = {
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{
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.start = 0x20308000,
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.end = 0x20308000,
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.flags = IORESOURCE_MEM,
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}, {
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.start = 0x20308004,
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.end = 0x20308004,
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.flags = IORESOURCE_MEM,
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}, {
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.start = IRQ_PG15,
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.end = IRQ_PG15,
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
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},
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};
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static struct isp1362_platform_data isp1362_priv = {
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.sel15Kres = 1,
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.clknotstop = 0,
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.oc_enable = 0,
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.int_act_high = 0,
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.int_edge_triggered = 0,
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.remote_wakeup_connected = 0,
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.no_power_switching = 1,
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.power_switching_mode = 0,
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};
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static struct platform_device isp1362_hcd_device = {
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.name = "isp1362-hcd",
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.id = 0,
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.dev = {
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.platform_data = &isp1362_priv,
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},
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.num_resources = ARRAY_SIZE(isp1362_hcd_resources),
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.resource = isp1362_hcd_resources,
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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 = 0x20200000,
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.end = 0x20200000 + 0x100,
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.flags = IORESOURCE_MEM,
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}, {
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.start = IRQ_PH14,
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.end = IRQ_PH14,
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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_MTD_GPIO_ADDR)
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static struct mtd_partition cm_partitions[] = {
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{
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.name = "bootloader(nor)",
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.size = 0x40000,
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.offset = 0,
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}, {
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.name = "linux kernel(nor)",
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.size = 0x100000,
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.offset = MTDPART_OFS_APPEND,
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}, {
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.name = "file system(nor)",
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.size = MTDPART_SIZ_FULL,
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.offset = MTDPART_OFS_APPEND,
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}
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};
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static struct physmap_flash_data cm_flash_data = {
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.width = 2,
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.parts = cm_partitions,
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.nr_parts = ARRAY_SIZE(cm_partitions),
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};
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static unsigned cm_flash_gpios[] = { GPIO_PH0 };
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static struct resource cm_flash_resource[] = {
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{
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.name = "cfi_probe",
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.start = 0x20000000,
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.end = 0x201fffff,
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.flags = IORESOURCE_MEM,
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}, {
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.start = (unsigned long)cm_flash_gpios,
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.end = ARRAY_SIZE(cm_flash_gpios),
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.flags = IORESOURCE_IRQ,
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}
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};
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static struct platform_device cm_flash_device = {
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.name = "gpio-addr-flash",
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.id = 0,
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.dev = {
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.platform_data = &cm_flash_data,
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},
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.num_resources = ARRAY_SIZE(cm_flash_resource),
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.resource = cm_flash_resource,
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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,
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},
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{
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.start = CH_UART1_RX,
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.end = CH_UART1_RX,
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.flags = IORESOURCE_DMA,
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},
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};
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static unsigned short bfin_uart1_peripherals[] = {
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P_UART1_TX, P_UART1_RX, 0
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};
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static struct platform_device bfin_uart1_device = {
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.name = "bfin-uart",
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.id = 1,
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.num_resources = ARRAY_SIZE(bfin_uart1_resources),
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.resource = bfin_uart1_resources,
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.dev = {
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.platform_data = &bfin_uart1_peripherals, /* Passed to driver */
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},
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};
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#endif
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#endif
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#if IS_ENABLED(CONFIG_BFIN_SIR)
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#ifdef CONFIG_BFIN_SIR0
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static struct resource bfin_sir0_resources[] = {
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{
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.start = 0xFFC00400,
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.end = 0xFFC004FF,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = IRQ_UART0_RX,
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.end = IRQ_UART0_RX+1,
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.flags = IORESOURCE_IRQ,
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},
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{
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.start = CH_UART0_RX,
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.end = CH_UART0_RX+1,
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.flags = IORESOURCE_DMA,
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},
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};
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static struct platform_device bfin_sir0_device = {
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.name = "bfin_sir",
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.id = 0,
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.num_resources = ARRAY_SIZE(bfin_sir0_resources),
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.resource = bfin_sir0_resources,
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};
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#endif
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#ifdef CONFIG_BFIN_SIR1
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static struct resource bfin_sir1_resources[] = {
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{
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.start = 0xFFC02000,
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.end = 0xFFC020FF,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = IRQ_UART1_RX,
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.end = IRQ_UART1_RX+1,
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.flags = IORESOURCE_IRQ,
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},
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{
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.start = CH_UART1_RX,
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.end = CH_UART1_RX+1,
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.flags = IORESOURCE_DMA,
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},
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};
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static struct platform_device bfin_sir1_device = {
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.name = "bfin_sir",
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.id = 1,
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.num_resources = ARRAY_SIZE(bfin_sir1_resources),
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.resource = bfin_sir1_resources,
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};
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#endif
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#endif
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#if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI)
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static const u16 bfin_twi0_pins[] = {P_TWI0_SCL, P_TWI0_SDA, 0};
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static struct resource bfin_twi0_resource[] = {
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[0] = {
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.start = TWI0_REGBASE,
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.end = TWI0_REGBASE,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_TWI,
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.end = IRQ_TWI,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device i2c_bfin_twi_device = {
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.name = "i2c-bfin-twi",
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.id = 0,
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.num_resources = ARRAY_SIZE(bfin_twi0_resource),
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.resource = bfin_twi0_resource,
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.dev = {
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.platform_data = &bfin_twi0_pins,
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},
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};
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#endif
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#if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
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#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
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static struct resource bfin_sport0_uart_resources[] = {
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{
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.start = SPORT0_TCR1,
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.end = SPORT0_MRCS3+4,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = IRQ_SPORT0_RX,
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.end = IRQ_SPORT0_RX+1,
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.flags = IORESOURCE_IRQ,
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},
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{
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.start = IRQ_SPORT0_ERROR,
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.end = IRQ_SPORT0_ERROR,
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.flags = IORESOURCE_IRQ,
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},
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};
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static unsigned short bfin_sport0_peripherals[] = {
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P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
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P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0
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};
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static struct platform_device bfin_sport0_uart_device = {
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.name = "bfin-sport-uart",
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.id = 0,
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.num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
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.resource = bfin_sport0_uart_resources,
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.dev = {
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.platform_data = &bfin_sport0_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_SPORT1_UART
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static struct resource bfin_sport1_uart_resources[] = {
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{
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.start = SPORT1_TCR1,
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.end = SPORT1_MRCS3+4,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = IRQ_SPORT1_RX,
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.end = IRQ_SPORT1_RX+1,
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.flags = IORESOURCE_IRQ,
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},
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{
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.start = IRQ_SPORT1_ERROR,
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.end = IRQ_SPORT1_ERROR,
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.flags = IORESOURCE_IRQ,
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},
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};
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static unsigned short bfin_sport1_peripherals[] = {
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P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
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P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0
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};
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static struct platform_device bfin_sport1_uart_device = {
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.name = "bfin-sport-uart",
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.id = 1,
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.num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
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.resource = bfin_sport1_uart_resources,
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.dev = {
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.platform_data = &bfin_sport1_peripherals, /* Passed to driver */
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},
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};
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#endif
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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_MII0;
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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_MII,
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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_PATA_PLATFORM)
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#define PATA_INT IRQ_PF14
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static struct pata_platform_info bfin_pata_platform_data = {
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.ioport_shift = 2,
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};
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static struct resource bfin_pata_resources[] = {
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{
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.start = 0x2030C000,
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.end = 0x2030C01F,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = 0x2030D018,
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.end = 0x2030D01B,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = PATA_INT,
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.end = PATA_INT,
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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 bfin_pata_device = {
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.name = "pata_platform",
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.id = -1,
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.num_resources = ARRAY_SIZE(bfin_pata_resources),
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.resource = bfin_pata_resources,
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.dev = {
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.platform_data = &bfin_pata_platform_data,
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}
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};
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#endif
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static const unsigned int cclk_vlev_datasheet[] =
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{
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VRPAIR(VLEV_085, 250000000),
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VRPAIR(VLEV_090, 376000000),
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VRPAIR(VLEV_095, 426000000),
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VRPAIR(VLEV_100, 426000000),
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VRPAIR(VLEV_105, 476000000),
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VRPAIR(VLEV_110, 476000000),
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VRPAIR(VLEV_115, 476000000),
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VRPAIR(VLEV_120, 500000000),
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VRPAIR(VLEV_125, 533000000),
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VRPAIR(VLEV_130, 600000000),
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};
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static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
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.tuple_tab = cclk_vlev_datasheet,
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.tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
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.vr_settling_time = 25 /* us */,
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};
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static struct platform_device bfin_dpmc = {
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.name = "bfin dpmc",
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.dev = {
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.platform_data = &bfin_dmpc_vreg_data,
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},
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};
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static struct platform_device *cm_bf537u_devices[] __initdata = {
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&bfin_dpmc,
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#if IS_ENABLED(CONFIG_FB_HITACHI_TX09)
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&hitachi_fb_device,
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#endif
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#if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
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&rtc_device,
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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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&bfin_uart0_device,
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#endif
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#ifdef CONFIG_SERIAL_BFIN_UART1
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&bfin_uart1_device,
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#endif
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#endif
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#if IS_ENABLED(CONFIG_BFIN_SIR)
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#ifdef CONFIG_BFIN_SIR0
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&bfin_sir0_device,
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#endif
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#ifdef CONFIG_BFIN_SIR1
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&bfin_sir1_device,
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#endif
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#endif
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#if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI)
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&i2c_bfin_twi_device,
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#endif
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#if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
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#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
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&bfin_sport0_uart_device,
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#endif
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#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
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&bfin_sport1_uart_device,
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#endif
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#endif
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#if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
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&isp1362_hcd_device,
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#endif
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#if IS_ENABLED(CONFIG_SMC91X)
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&smc91x_device,
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#endif
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#if IS_ENABLED(CONFIG_BFIN_MAC)
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&bfin_mii_bus,
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&bfin_mac_device,
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#endif
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#if IS_ENABLED(CONFIG_USB_NET2272)
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&net2272_bfin_device,
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#endif
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#if IS_ENABLED(CONFIG_SPI_BFIN5XX)
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&bfin_spi0_device,
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#endif
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#if IS_ENABLED(CONFIG_PATA_PLATFORM)
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&bfin_pata_device,
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#endif
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#if IS_ENABLED(CONFIG_MTD_GPIO_ADDR)
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&cm_flash_device,
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#endif
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};
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static int __init net2272_init(void)
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{
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#if IS_ENABLED(CONFIG_USB_NET2272)
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int ret;
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ret = gpio_request(GPIO_PH15, driver_name);
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if (ret)
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return ret;
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ret = gpio_request(GPIO_PH13, "net2272");
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if (ret) {
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gpio_free(GPIO_PH15);
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return ret;
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}
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/* Set PH15 Low make /AMS2 work properly */
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gpio_direction_output(GPIO_PH15, 0);
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/* enable CLKBUF output */
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bfin_write_VR_CTL(bfin_read_VR_CTL() | CLKBUFOE);
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/* Reset the USB chip */
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gpio_direction_output(GPIO_PH13, 0);
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mdelay(2);
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gpio_set_value(GPIO_PH13, 1);
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#endif
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return 0;
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}
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static int __init cm_bf537u_init(void)
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{
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printk(KERN_INFO "%s(): registering device resources\n", __func__);
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platform_add_devices(cm_bf537u_devices, ARRAY_SIZE(cm_bf537u_devices));
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#if IS_ENABLED(CONFIG_SPI_BFIN5XX)
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spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
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#endif
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#if IS_ENABLED(CONFIG_PATA_PLATFORM)
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irq_set_status_flags(PATA_INT, IRQ_NOAUTOEN);
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#endif
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if (net2272_init())
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pr_warning("unable to configure net2272; it probably won't work\n");
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return 0;
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}
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arch_initcall(cm_bf537u_init);
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static struct platform_device *cm_bf537u_early_devices[] __initdata = {
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#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
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#ifdef CONFIG_SERIAL_BFIN_UART0
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&bfin_uart0_device,
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#endif
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#ifdef CONFIG_SERIAL_BFIN_UART1
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&bfin_uart1_device,
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#endif
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#endif
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#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
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#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
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&bfin_sport0_uart_device,
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#endif
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#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
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&bfin_sport1_uart_device,
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#endif
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#endif
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};
|
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void __init native_machine_early_platform_add_devices(void)
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{
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printk(KERN_INFO "register early platform devices\n");
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early_platform_add_devices(cm_bf537u_early_devices,
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ARRAY_SIZE(cm_bf537u_early_devices));
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}
|
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int bfin_get_ether_addr(char *addr)
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{
|
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return 1;
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}
|
|
EXPORT_SYMBOL(bfin_get_ether_addr);
|