Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / arch / blackfin / mach-bf537 / boards / cm_bf537u.c
diff --git a/kernel/arch/blackfin/mach-bf537/boards/cm_bf537u.c b/kernel/arch/blackfin/mach-bf537/boards/cm_bf537u.c
new file mode 100644 (file)
index 0000000..d056db9
--- /dev/null
@@ -0,0 +1,802 @@
+/*
+ * Copyright 2004-2009 Analog Devices Inc.
+ *           2008-2009 Bluetechnix
+ *                2005 National ICT Australia (NICTA)
+ *                      Aidan Williams <aidan@nicta.com.au>
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/device.h>
+#include <linux/etherdevice.h>
+#include <linux/export.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>
+#if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
+#include <linux/usb/isp1362.h>
+#endif
+#include <linux/ata_platform.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <asm/dma.h>
+#include <asm/bfin5xx_spi.h>
+#include <asm/portmux.h>
+#include <asm/dpmc.h>
+#include <linux/spi/mmc_spi.h>
+
+/*
+ * Name the Board for the /proc/cpuinfo
+ */
+const char bfin_board_name[] = "Bluetechnix CM BF537U";
+
+#if IS_ENABLED(CONFIG_SPI_BFIN5XX)
+/* all SPI peripherals info goes here */
+
+#if IS_ENABLED(CONFIG_MTD_M25P80)
+static struct mtd_partition bfin_spi_flash_partitions[] = {
+       {
+               .name = "bootloader(spi)",
+               .size = 0x00020000,
+               .offset = 0,
+               .mask_flags = MTD_CAP_ROM
+       }, {
+               .name = "linux kernel(spi)",
+               .size = 0xe0000,
+               .offset = 0x20000
+       }, {
+               .name = "file system(spi)",
+               .size = 0x700000,
+               .offset = 0x00100000,
+       }
+};
+
+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 = "m25p64",
+};
+
+/* SPI flash chip (m25p64) */
+static struct bfin5xx_spi_chip spi_flash_chip_info = {
+       .enable_dma = 0,         /* use dma transfer with this chip*/
+};
+#endif
+
+#if IS_ENABLED(CONFIG_MMC_SPI)
+static struct bfin5xx_spi_chip  mmc_spi_chip_info = {
+       .enable_dma = 0,
+};
+#endif
+
+static struct spi_board_info bfin_spi_board_info[] __initdata = {
+#if IS_ENABLED(CONFIG_MTD_M25P80)
+       {
+               /* 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 = 1, /* Framework chip select. On STAMP537 it is SPISSEL1*/
+               .platform_data = &bfin_spi_flash_data,
+               .controller_data = &spi_flash_chip_info,
+               .mode = SPI_MODE_3,
+       },
+#endif
+
+#if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD183X)
+       {
+               .modalias = "ad183x",
+               .max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
+               .bus_num = 0,
+               .chip_select = 4,
+       },
+#endif
+
+#if IS_ENABLED(CONFIG_MMC_SPI)
+       {
+               .modalias = "mmc_spi",
+               .max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
+               .bus_num = 0,
+               .chip_select = 1,
+               .controller_data = &mmc_spi_chip_info,
+               .mode = SPI_MODE_3,
+       },
+#endif
+};
+
+/* 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,
+       },
+};
+
+/* SPI controller data */
+static struct bfin5xx_spi_master bfin_spi0_info = {
+       .num_chipselect = 8,
+       .enable_dma = 1,  /* master has the ability to do dma transfer */
+       .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
+};
+
+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 IS_ENABLED(CONFIG_RTC_DRV_BFIN)
+static struct platform_device rtc_device = {
+       .name = "rtc-bfin",
+       .id   = -1,
+};
+#endif
+
+#if IS_ENABLED(CONFIG_FB_HITACHI_TX09)
+static struct platform_device hitachi_fb_device = {
+       .name = "hitachi-tx09",
+};
+#endif
+
+#if IS_ENABLED(CONFIG_SMC91X)
+#include <linux/smc91x.h>
+
+static struct smc91x_platdata smc91x_info = {
+       .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
+       .leda = RPC_LED_100_10,
+       .ledb = RPC_LED_TX_RX,
+};
+
+static struct resource smc91x_resources[] = {
+       {
+               .start = 0x20200300,
+               .end = 0x20200300 + 16,
+               .flags = IORESOURCE_MEM,
+       }, {
+               .start = IRQ_PF14,
+               .end = IRQ_PF14,
+               .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
+               },
+};
+
+static struct platform_device smc91x_device = {
+       .name = "smc91x",
+       .id = 0,
+       .num_resources = ARRAY_SIZE(smc91x_resources),
+       .resource = smc91x_resources,
+       .dev    = {
+               .platform_data  = &smc91x_info,
+       },
+};
+#endif
+
+#if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
+static struct resource isp1362_hcd_resources[] = {
+       {
+               .start = 0x20308000,
+               .end = 0x20308000,
+               .flags = IORESOURCE_MEM,
+       }, {
+               .start = 0x20308004,
+               .end = 0x20308004,
+               .flags = IORESOURCE_MEM,
+       }, {
+               .start = IRQ_PG15,
+               .end = IRQ_PG15,
+               .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
+       },
+};
+
+static struct isp1362_platform_data isp1362_priv = {
+       .sel15Kres = 1,
+       .clknotstop = 0,
+       .oc_enable = 0,
+       .int_act_high = 0,
+       .int_edge_triggered = 0,
+       .remote_wakeup_connected = 0,
+       .no_power_switching = 1,
+       .power_switching_mode = 0,
+};
+
+static struct platform_device isp1362_hcd_device = {
+       .name = "isp1362-hcd",
+       .id = 0,
+       .dev = {
+               .platform_data = &isp1362_priv,
+       },
+       .num_resources = ARRAY_SIZE(isp1362_hcd_resources),
+       .resource = isp1362_hcd_resources,
+};
+#endif
+
+#if IS_ENABLED(CONFIG_USB_NET2272)
+static struct resource net2272_bfin_resources[] = {
+       {
+               .start = 0x20200000,
+               .end = 0x20200000 + 0x100,
+               .flags = IORESOURCE_MEM,
+       }, {
+               .start = IRQ_PH14,
+               .end = IRQ_PH14,
+               .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
+       },
+};
+
+static struct platform_device net2272_bfin_device = {
+       .name = "net2272",
+       .id = -1,
+       .num_resources = ARRAY_SIZE(net2272_bfin_resources),
+       .resource = net2272_bfin_resources,
+};
+#endif
+
+#if IS_ENABLED(CONFIG_MTD_GPIO_ADDR)
+static struct mtd_partition cm_partitions[] = {
+       {
+               .name   = "bootloader(nor)",
+               .size   = 0x40000,
+               .offset = 0,
+       }, {
+               .name   = "linux kernel(nor)",
+               .size   = 0x100000,
+               .offset = MTDPART_OFS_APPEND,
+       }, {
+               .name   = "file system(nor)",
+               .size   = MTDPART_SIZ_FULL,
+               .offset = MTDPART_OFS_APPEND,
+       }
+};
+
+static struct physmap_flash_data cm_flash_data = {
+       .width    = 2,
+       .parts    = cm_partitions,
+       .nr_parts = ARRAY_SIZE(cm_partitions),
+};
+
+static unsigned cm_flash_gpios[] = { GPIO_PH0 };
+
+static struct resource cm_flash_resource[] = {
+       {
+               .name  = "cfi_probe",
+               .start = 0x20000000,
+               .end   = 0x201fffff,
+               .flags = IORESOURCE_MEM,
+       }, {
+               .start = (unsigned long)cm_flash_gpios,
+               .end   = ARRAY_SIZE(cm_flash_gpios),
+               .flags = IORESOURCE_IRQ,
+       }
+};
+
+static struct platform_device cm_flash_device = {
+       .name          = "gpio-addr-flash",
+       .id            = 0,
+       .dev = {
+               .platform_data = &cm_flash_data,
+       },
+       .num_resources = ARRAY_SIZE(cm_flash_resource),
+       .resource      = cm_flash_resource,
+};
+#endif
+
+#if IS_ENABLED(CONFIG_SERIAL_BFIN)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
+       {
+               .start = UART0_THR,
+               .end = UART0_GCTL+2,
+               .flags = IORESOURCE_MEM,
+       },
+       {
+               .start = IRQ_UART0_TX,
+               .end = IRQ_UART0_TX,
+               .flags = IORESOURCE_IRQ,
+       },
+       {
+               .start = IRQ_UART0_RX,
+               .end = IRQ_UART0_RX,
+               .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,
+       },
+};
+
+static 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_TX,
+               .end = IRQ_UART1_TX,
+               .flags = IORESOURCE_IRQ,
+       },
+       {
+               .start = IRQ_UART1_RX,
+               .end = IRQ_UART1_RX,
+               .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,
+       },
+};
+
+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
+
+#if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI)
+static const u16 bfin_twi0_pins[] = {P_TWI0_SCL, P_TWI0_SDA, 0};
+
+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,
+       .dev = {
+               .platform_data = &bfin_twi0_pins,
+       },
+};
+#endif
+
+#if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
+#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,
+       },
+};
+
+static unsigned short bfin_sport0_peripherals[] = {
+       P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
+       P_SPORT0_DRPRI, P_SPORT0_RSCLK, 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,
+       },
+};
+
+static unsigned short bfin_sport1_peripherals[] = {
+       P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
+       P_SPORT1_DRPRI, P_SPORT1_RSCLK, 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
+
+#if IS_ENABLED(CONFIG_BFIN_MAC)
+#include <linux/bfin_mac.h>
+static const unsigned short bfin_mac_peripherals[] = P_MII0;
+
+static struct bfin_phydev_platform_data bfin_phydev_data[] = {
+       {
+               .addr = 1,
+               .irq = IRQ_MAC_PHYINT,
+       },
+};
+
+static struct bfin_mii_bus_platform_data bfin_mii_bus_data = {
+       .phydev_number = 1,
+       .phydev_data = bfin_phydev_data,
+       .phy_mode = PHY_INTERFACE_MODE_MII,
+       .mac_peripherals = bfin_mac_peripherals,
+};
+
+static struct platform_device bfin_mii_bus = {
+       .name = "bfin_mii_bus",
+       .dev = {
+               .platform_data = &bfin_mii_bus_data,
+       }
+};
+
+static struct platform_device bfin_mac_device = {
+       .name = "bfin_mac",
+       .dev = {
+               .platform_data = &bfin_mii_bus,
+       }
+};
+#endif
+
+#if IS_ENABLED(CONFIG_PATA_PLATFORM)
+#define PATA_INT       IRQ_PF14
+
+static struct pata_platform_info bfin_pata_platform_data = {
+       .ioport_shift = 2,
+};
+
+static struct resource bfin_pata_resources[] = {
+       {
+               .start = 0x2030C000,
+               .end = 0x2030C01F,
+               .flags = IORESOURCE_MEM,
+       },
+       {
+               .start = 0x2030D018,
+               .end = 0x2030D01B,
+               .flags = IORESOURCE_MEM,
+       },
+       {
+               .start = PATA_INT,
+               .end = PATA_INT,
+               .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
+       },
+};
+
+static struct platform_device bfin_pata_device = {
+       .name = "pata_platform",
+       .id = -1,
+       .num_resources = ARRAY_SIZE(bfin_pata_resources),
+       .resource = bfin_pata_resources,
+       .dev = {
+               .platform_data = &bfin_pata_platform_data,
+       }
+};
+#endif
+
+static const unsigned int cclk_vlev_datasheet[] =
+{
+       VRPAIR(VLEV_085, 250000000),
+       VRPAIR(VLEV_090, 376000000),
+       VRPAIR(VLEV_095, 426000000),
+       VRPAIR(VLEV_100, 426000000),
+       VRPAIR(VLEV_105, 476000000),
+       VRPAIR(VLEV_110, 476000000),
+       VRPAIR(VLEV_115, 476000000),
+       VRPAIR(VLEV_120, 500000000),
+       VRPAIR(VLEV_125, 533000000),
+       VRPAIR(VLEV_130, 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 *cm_bf537u_devices[] __initdata = {
+
+       &bfin_dpmc,
+
+#if IS_ENABLED(CONFIG_FB_HITACHI_TX09)
+       &hitachi_fb_device,
+#endif
+
+#if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
+       &rtc_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
+
+#if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI)
+       &i2c_bfin_twi_device,
+#endif
+
+#if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+       &bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+       &bfin_sport1_uart_device,
+#endif
+#endif
+
+#if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
+       &isp1362_hcd_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_PATA_PLATFORM)
+       &bfin_pata_device,
+#endif
+
+#if IS_ENABLED(CONFIG_MTD_GPIO_ADDR)
+       &cm_flash_device,
+#endif
+};
+
+static int __init net2272_init(void)
+{
+#if IS_ENABLED(CONFIG_USB_NET2272)
+       int ret;
+
+       ret = gpio_request(GPIO_PH15, driver_name);
+       if (ret)
+               return ret;
+
+       ret = gpio_request(GPIO_PH13, "net2272");
+       if (ret) {
+               gpio_free(GPIO_PH15);
+               return ret;
+       }
+
+       /* Set PH15 Low make /AMS2 work properly */
+       gpio_direction_output(GPIO_PH15, 0);
+
+       /* enable CLKBUF output */
+       bfin_write_VR_CTL(bfin_read_VR_CTL() | CLKBUFOE);
+
+       /* Reset the USB chip */
+       gpio_direction_output(GPIO_PH13, 0);
+       mdelay(2);
+       gpio_set_value(GPIO_PH13, 1);
+#endif
+
+       return 0;
+}
+
+static int __init cm_bf537u_init(void)
+{
+       printk(KERN_INFO "%s(): registering device resources\n", __func__);
+       platform_add_devices(cm_bf537u_devices, ARRAY_SIZE(cm_bf537u_devices));
+#if IS_ENABLED(CONFIG_SPI_BFIN5XX)
+       spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
+#endif
+
+#if IS_ENABLED(CONFIG_PATA_PLATFORM)
+       irq_set_status_flags(PATA_INT, IRQ_NOAUTOEN);
+#endif
+
+       if (net2272_init())
+               pr_warning("unable to configure net2272; it probably won't work\n");
+
+       return 0;
+}
+
+arch_initcall(cm_bf537u_init);
+
+static struct platform_device *cm_bf537u_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(cm_bf537u_early_devices,
+               ARRAY_SIZE(cm_bf537u_early_devices));
+}
+
+int bfin_get_ether_addr(char *addr)
+{
+       return 1;
+}
+EXPORT_SYMBOL(bfin_get_ether_addr);