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 * This file is released under the terms of GPL v2 and any later version.
  10 * See the file COPYING in the root directory of the source tree for details.
  11 */
  12
  13#include <common.h>
  14#include <net.h>
  15#include <netdev.h>
  16#include <asm/io.h>
  17#include <asm/processor.h>
  18
  19DECLARE_GLOBAL_DATA_PTR;
  20
  21int checkboard(void)
  22{
  23        puts("BOARD: Renesas RSK7269\n");
  24        return 0;
  25}
  26
  27int board_init(void)
  28{
  29        return 0;
  30}
  31
  32int dram_init(void)
  33{
  34        gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
  35        gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
  36        printf("DRAM:  %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024));
  37        return 0;
  38}
  39
  40void led_set_state(unsigned short value)
  41{
  42}
  43
  44/*
  45 * The RSK board has the SMSC89218 wired up 'incorrectly'.
  46 * Byte-swapping is necessary, and so poor performance is inevitable.
  47 * This problem cannot evade by the swap function of CHIP, this can
  48 * evade by software Byte-swapping.
  49 * And this has problem by FIFO access only. pkt_data_pull/pkt_data_push
  50 * functions necessary to solve this problem.
  51 */
  52u32 pkt_data_pull(struct eth_device *dev, u32 addr)
  53{
  54        volatile u16 *addr_16 = (u16 *)(dev->iobase + addr);
  55        return (u32)((swab16(*addr_16) << 16) & 0xFFFF0000)\
  56                                | swab16(*(addr_16 + 1));
  57}
  58
  59void pkt_data_push(struct eth_device *dev, u32 addr, u32 val)
  60{
  61        addr += dev->iobase;
  62        *(volatile u16 *)(addr + 2) = swab16((u16)val);
  63        *(volatile u16 *)(addr) = swab16((u16)(val >> 16));
  64}
  65
  66int board_eth_init(bd_t *bis)
  67{
  68        int rc = 0;
  69#ifdef CONFIG_SMC911X
  70        rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
  71#endif
  72        return rc;
  73}
  74