LXR uboot/board/renesas/rsk7269/rsk7269.c

   1/*
   2 * Copyright (C) 2012 Renesas Electronics Europe Ltd.
   3 * Copyright (C) 2012 Phil Edworthy
   4 * Copyright (C) 2008 Renesas Solutions Corp.
   5 * Copyright (C) 2008 Nobuhiro Iwamatsu
   6 *
   7 * Based on u-boot/board/rsk7264/rsk7264.c
   8 *
   9 * SPDX-License-Identifier:     GPL-2.0+
  10 */
  11
  12#include <common.h>
  13#include <net.h>
  14#include <netdev.h>
  15#include <asm/io.h>
  16#include <asm/processor.h>
  17
  18int checkboard(void)
  19{
  20        puts("BOARD: Renesas RSK7269\n");
  21        return 0;
  22}
  23
  24int board_init(void)
  25{
  26        return 0;
  27}
  28
  29void led_set_state(unsigned short value)
  30{
  31}
  32
  33/*
  34 * The RSK board has the SMSC89218 wired up 'incorrectly'.
  35 * Byte-swapping is necessary, and so poor performance is inevitable.
  36 * This problem cannot evade by the swap function of CHIP, this can
  37 * evade by software Byte-swapping.
  38 * And this has problem by FIFO access only. pkt_data_pull/pkt_data_push
  39 * functions necessary to solve this problem.
  40 */
  41u32 pkt_data_pull(struct eth_device *dev, u32 addr)
  42{
  43        volatile u16 *addr_16 = (u16 *)(dev->iobase + addr);
  44        return (u32)((swab16(*addr_16) << 16) & 0xFFFF0000)\
  45                                | swab16(*(addr_16 + 1));
  46}
  47
  48void pkt_data_push(struct eth_device *dev, u32 addr, u32 val)
  49{
  50        addr += dev->iobase;
  51        *(volatile u16 *)(addr + 2) = swab16((u16)val);
  52        *(volatile u16 *)(addr) = swab16((u16)(val >> 16));
  53}
  54
  55int board_eth_init(bd_t *bis)
  56{
  57        int rc = 0;
  58#ifdef CONFIG_SMC911X
  59        rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
  60#endif
  61        return rc;
  62}
  63