LXR uboot/board/renesas/r0p7734/r0p7734.c

   1/*
   2 * Copyright (C) 2011 Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
   3 * Copyright (C) 2011 Renesas Solutions Corp.
   4 *
   5 * SPDX-License-Identifier:     GPL-2.0+
   6 */
   7
   8#include <common.h>
   9#include <asm/io.h>
  10#include <asm/processor.h>
  11#include <netdev.h>
  12#include <i2c.h>
  13
  14DECLARE_GLOBAL_DATA_PTR;
  15
  16#define MODEMR                  (0xFFCC0020)
  17#define MODEMR_MASK             (0x6)
  18#define MODEMR_533MHZ   (0x2)
  19
  20int checkboard(void)
  21{
  22        u32 r = readl(MODEMR);
  23        if ((r & MODEMR_MASK) & MODEMR_533MHZ)
  24                puts("CPU Clock: 533MHz\n");
  25        else
  26                puts("CPU Clock: 400MHz\n");
  27
  28        puts("BOARD: Renesas Technology Corp. R0P7734C00000RZ\n");
  29        return 0;
  30}
  31
  32#define MSTPSR1                 (0xFFC80044)
  33#define MSTPCR1                 (0xFFC80034)
  34#define MSTPSR1_GETHER  (1 << 14)
  35
  36int board_init(void)
  37{
  38#if defined(CONFIG_SH_ETHER)
  39        u32 r = readl(MSTPSR1);
  40        if (r & MSTPSR1_GETHER)
  41                writel((r & ~MSTPSR1_GETHER), MSTPCR1);
  42#endif
  43
  44        return 0;
  45}
  46
  47int board_late_init(void)
  48{
  49        u8 mac[6];
  50
  51        /* Read Mac Address and set*/
  52        i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
  53        i2c_set_bus_num(CONFIG_SYS_I2C_MODULE);
  54
  55        /* Read MAC address */
  56        i2c_read(0x50, 0x10, 0, mac, 6);
  57
  58        if (is_valid_ethaddr(mac))
  59                eth_setenv_enetaddr("ethaddr", mac);
  60
  61        return 0;
  62}
  63
  64int dram_init(void)
  65{
  66        gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
  67        gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
  68        printf("DRAM:  %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024));
  69
  70        return 0;
  71}
  72
  73#ifdef CONFIG_SMC911X
  74int board_eth_init(bd_t *bis)
  75{
  76        int rc = 0;
  77        rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
  78        return rc;
  79}
  80#endif
  81