board/ebv/socrates/socfpga.c

   1 /*
   2  *  Copyright (C) 2012 Altera Corporation <www.altera.com>
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include <common.h>
   8 #include <asm/arch/reset_manager.h>
   9 #include <asm/io.h>
  10
  11 #include <usb.h>
  12 #include <usb/s3c_udc.h>
  13 #include <usb_mass_storage.h>
  14
  15 #include <micrel.h>
  16 #include <netdev.h>
  17 #include <phy.h>
  18
  19 DECLARE_GLOBAL_DATA_PTR;
  20
  21 void s_init(void) {}
  22
  23 /*
  24  * Miscellaneous platform dependent initialisations
  25  */
  26 int board_init(void)
  27 {
  28         /* Address of boot parameters for ATAG (if ATAG is used) */
  29         gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
  30
  31         return 0;
  32 }
  33
  34 /*
  35  * PHY configuration
  36  */
  37 #ifdef CONFIG_PHY_MICREL_KSZ9021
  38 int board_phy_config(struct phy_device *phydev)
  39 {
  40         int ret;
  41         /*
  42          * These skew settings for the KSZ9021 ethernet phy is required for ethernet
  43          * to work reliably on most flavors of cyclone5 boards.
  44          */
  45         ret = ksz9021_phy_extended_write(phydev,
  46                                          MII_KSZ9021_EXT_RGMII_RX_DATA_SKEW,
  47                                          0x0);
  48         if (ret)
  49                 return ret;
  50
  51         ret = ksz9021_phy_extended_write(phydev,
  52                                          MII_KSZ9021_EXT_RGMII_TX_DATA_SKEW,
  53                                          0x0);
  54         if (ret)
  55                 return ret;
  56
  57         ret = ksz9021_phy_extended_write(phydev,
  58                                          MII_KSZ9021_EXT_RGMII_CLOCK_SKEW,
  59                                          0xf0f0);
  60         if (ret)
  61                 return ret;
  62
  63         if (phydev->drv->config)
  64                 return phydev->drv->config(phydev);
  65
  66         return 0;
  67 }
  68 #endif
  69
  70 #ifdef CONFIG_USB_GADGET
  71 struct dwc2_plat_otg_data socfpga_otg_data = {
  72         .regs_otg       = CONFIG_USB_DWC2_REG_ADDR,
  73         .usb_gusbcfg    = 0x1417,
  74 };
  75
  76 int board_usb_init(int index, enum usb_init_type init)
  77 {
  78         return dwc2_udc_probe(&socfpga_otg_data);
  79 }
  80
  81 int g_dnl_board_usb_cable_connected(void)
  82 {
  83         return 1;
  84 }
  85 #endif