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