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
  17 int checkboard(void)
  18 {
  19         puts("BOARD: Renesas Technology RSK7264\n");
  20         return 0;
  21 }
  22
  23 int board_init(void)
  24 {
  25         return 0;
  26 }
  27
  28 void 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  */
  40 u32 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
  47 void 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
  54 int 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 }