LXR uboot/board/renesas/rsk7264/rsk7264.c

   1/*
   2 * Copyright (C) 2011 Renesas Electronics Europe Ltd.
   3 * Copyright (C) 2008 Renesas Solutions Corp.
   4 * Copyright (C) 2008 Nobuhiro Iwamatsu
   5 *
   6 * Based on u-boot/board/rsk7264/rsk7203.c
   7 *
   8 * SPDX-License-Identifier:     GPL-2.0+
   9 */
  10
  11#include <common.h>
  12#include <net.h>
  13#include <netdev.h>
  14#include <asm/io.h>
  15#include <asm/processor.h>
  16
  17int checkboard(void)
  18{
  19        puts("BOARD: Renesas Technology RSK7264\n");
  20        return 0;
  21}
  22
  23int board_init(void)
  24{
  25        return 0;
  26}
  27
  28void led_set_state(unsigned short value)
  29{
  30}
  31
  32/*
  33 * The RSK board has the SMSC89218 wired up 'incorrectly'.
  34 * Byte-swapping is necessary, and so poor performance is inevitable.
  35 * This problem cannot evade by the swap function of CHIP, this can
  36 * evade by software Byte-swapping.
  37 * And this has problem by FIFO access only. pkt_data_pull/pkt_data_push
  38 * functions necessary to solve this problem.
  39 */
  40u32 pkt_data_pull(struct eth_device *dev, u32 addr)
  41{
  42        volatile u16 *addr_16 = (u16 *)(dev->iobase + addr);
  43        return (u32)((swab16(*addr_16) << 16) & 0xFFFF0000)\
  44                                | swab16(*(addr_16 + 1));
  45}
  46
  47void pkt_data_push(struct eth_device *dev, u32 addr, u32 val)
  48{
  49        addr += dev->iobase;
  50        *(volatile u16 *)(addr + 2) = swab16((u16)val);
  51        *(volatile u16 *)(addr) = swab16((u16)(val >> 16));
  52}
  53
  54int board_eth_init(bd_t *bis)
  55{
  56        int rc = 0;
  57#ifdef CONFIG_SMC911X
  58        rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
  59#endif
  60        return rc;
  61}
  62