LXR uboot/board/bf527-ezkit/bf527-ezkit.c

   1/*
   2 * U-Boot - main board file
   3 *
   4 * Copyright (c) 2005-2009 Analog Devices Inc.
   5 *
   6 * Licensed under the GPL-2 or later.
   7 */
   8
   9#include <common.h>
  10#include <config.h>
  11#include <command.h>
  12#include <net.h>
  13#include <netdev.h>
  14#include <asm/blackfin.h>
  15#include <asm/gpio.h>
  16#include <asm/mach-common/bits/otp.h>
  17
  18DECLARE_GLOBAL_DATA_PTR;
  19
  20int checkboard(void)
  21{
  22        printf("Board: ADI BF527 EZ-Kit board\n");
  23        printf("       Support: http://blackfin.uclinux.org/\n");
  24        return 0;
  25}
  26
  27#ifdef CONFIG_BFIN_MAC
  28static void board_init_enetaddr(uchar *mac_addr)
  29{
  30        /* the MAC is stored in OTP memory page 0xDF */
  31        uint32_t ret;
  32        uint64_t otp_mac;
  33
  34        ret = bfrom_OtpRead(0xDF, OTP_LOWER_HALF, &otp_mac);
  35        if (!(ret & OTP_MASTER_ERROR)) {
  36                uchar *otp_mac_p = (uchar *)&otp_mac;
  37
  38                for (ret = 0; ret < 6; ++ret)
  39                        mac_addr[ret] = otp_mac_p[5 - ret];
  40
  41                if (is_valid_ethaddr(mac_addr))
  42                        eth_setenv_enetaddr("ethaddr", mac_addr);
  43        }
  44}
  45
  46int board_eth_init(bd_t *bis)
  47{
  48        return bfin_EMAC_initialize(bis);
  49}
  50#endif
  51
  52int misc_init_r(void)
  53{
  54#ifdef CONFIG_BFIN_MAC
  55        uchar enetaddr[6];
  56        if (!eth_getenv_enetaddr("ethaddr", enetaddr))
  57                board_init_enetaddr(enetaddr);
  58#endif
  59
  60        return 0;
  61}
  62
  63#ifdef CONFIG_USB_BLACKFIN
  64void board_musb_init(void)
  65{
  66        /*
  67         * BF527 EZ-KITs require PG13 to be high for HOST mode
  68         */
  69        gpio_request(GPIO_PG13, "musb-vbus");
  70        gpio_direction_output(GPIO_PG13, 1);
  71}
  72#endif
  73