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 DECLARE_GLOBAL_DATA_PTR;
  18
  19 int checkboard(void)
  20 {
  21         puts("BOARD: Renesas Technology RSK7264\n");
  22         return 0;
  23 }
  24
  25 int board_init(void)
  26 {
  27         return 0;
  28 }
  29
  30 int 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
  38 void 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  */
  50 u32 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
  57 void 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
  64 int 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 }