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
  17DECLARE_GLOBAL_DATA_PTR;
  18
  19int checkboard(void)
  20{
  21        puts("BOARD: Renesas Technology RSK7264\n");
  22        return 0;
  23}
  24
  25int board_init(void)
  26{
  27        return 0;
  28}
  29
  30int dram_init(void)
  31{
  32        gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
  33        gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
  34        printf("DRAM:  %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024));
  35        return 0;
  36}
  37
  38void led_set_state(unsigned short value)
  39{
  40}
  41
  42/*
  43 * The RSK board has the SMSC89218 wired up 'incorrectly'.
  44 * Byte-swapping is necessary, and so poor performance is inevitable.
  45 * This problem cannot evade by the swap function of CHIP, this can
  46 * evade by software Byte-swapping.
  47 * And this has problem by FIFO access only. pkt_data_pull/pkt_data_push
  48 * functions necessary to solve this problem.
  49 */
  50u32 pkt_data_pull(struct eth_device *dev, u32 addr)
  51{
  52        volatile u16 *addr_16 = (u16 *)(dev->iobase + addr);
  53        return (u32)((swab16(*addr_16) << 16) & 0xFFFF0000)\
  54                                | swab16(*(addr_16 + 1));
  55}
  56
  57void pkt_data_push(struct eth_device *dev, u32 addr, u32 val)
  58{
  59        addr += dev->iobase;
  60        *(volatile u16 *)(addr + 2) = swab16((u16)val);
  61        *(volatile u16 *)(addr) = swab16((u16)(val >> 16));
  62}
  63
  64int board_eth_init(bd_t *bis)
  65{
  66        int rc = 0;
  67#ifdef CONFIG_SMC911X
  68        rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
  69#endif
  70        return rc;
  71}
  72