LXR uboot/board/amcc/bubinga/bubinga.c

   1/*
   2 * (C) Copyright 2000-2005
   3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4 *
   5 * SPDX-License-Identifier:     GPL-2.0+
   6 */
   7
   8#include <common.h>
   9#include <asm/processor.h>
  10#include <asm/io.h>
  11
  12long int spd_sdram(void);
  13
  14int board_early_init_f(void)
  15{
  16        mtdcr(UIC0SR, 0xFFFFFFFF);      /* clear all ints */
  17        mtdcr(UIC0ER, 0x00000000);      /* disable all ints */
  18        mtdcr(UIC0CR, 0x00000010);
  19        mtdcr(UIC0PR, 0xFFFF7FF0);      /* set int polarities */
  20        mtdcr(UIC0TR, 0x00000010);      /* set int trigger levels */
  21        mtdcr(UIC0SR, 0xFFFFFFFF);      /* clear all ints */
  22
  23        /*
  24         * Configure CPC0_PCI to enable PerWE as output
  25         * and enable the internal PCI arbiter if selected
  26         */
  27        if (in_8((void *)FPGA_REG1) & FPGA_REG1_PCI_INT_ARB)
  28                mtdcr(CPC0_PCI, CPC0_PCI_HOST_CFG_EN | CPC0_PCI_ARBIT_EN);
  29        else
  30                mtdcr(CPC0_PCI, CPC0_PCI_HOST_CFG_EN);
  31
  32        return 0;
  33}
  34
  35/*
  36 * Check Board Identity:
  37 */
  38int checkboard(void)
  39{
  40        char buf[64];
  41        int i = getenv_f("serial#", buf, sizeof(buf));
  42
  43        puts("Board: Bubinga - AMCC PPC405EP Evaluation Board");
  44
  45        if (i > 0) {
  46                puts(", serial# ");
  47                puts(buf);
  48        }
  49        putc('\n');
  50
  51        return (0);
  52}
  53
  54/* -------------------------------------------------------------------------
  55  initdram(int board_type) reads EEPROM via I2c. EEPROM contains all of
  56  the necessary info for SDRAM controller configuration
  57   ------------------------------------------------------------------------- */
  58phys_size_t initdram(int board_type)
  59{
  60        return spd_sdram();
  61}
  62