LXR uboot/board/gdsys/neo/neo.c

   1/*
   2 * (C) Copyright 2007-2008
   3 * Dirk Eibach,  Guntermann & Drunck GmbH, eibach@gdsys.de
   4 *
   5 * See file CREDITS for list of people who contributed to this
   6 * project.
   7 *
   8 * This program is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU General Public License as
  10 * published by the Free Software Foundation; either version 2 of
  11 * the License, or (at your option) any later version.
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 * GNU General Public License for more details.
  17 *
  18 * You should have received a copy of the GNU General Public License
  19 * along with this program; if not, write to the Free Software
  20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21 * MA 02111-1307 USA
  22 */
  23
  24#include <common.h>
  25#include <command.h>
  26#include <asm/processor.h>
  27#include <asm/io.h>
  28
  29#define HWTYPE_CCX16    1
  30#define HWREV_300       3
  31
  32int board_early_init_f(void)
  33{
  34        mtdcr(UIC0SR, 0xFFFFFFFF);      /* clear all ints */
  35        mtdcr(UIC0ER, 0x00000000);      /* disable all ints */
  36        mtdcr(UIC0CR, 0x00000000);      /* set all to be non-critical */
  37        mtdcr(UIC0PR, 0xFFFFFF80);      /* set int polarities */
  38        mtdcr(UIC0TR, 0x10000000);      /* set int trigger levels */
  39        mtdcr(UIC0VCR, 0x00000001);     /* set vect base=0,INT0 highest prio */
  40        mtdcr(UIC0SR, 0xFFFFFFFF);      /* clear all ints */
  41
  42        /*
  43         * EBC Configuration Register: set ready timeout to 512 ebc-clks
  44         * -> ca. 15 us
  45         */
  46        mtebc(EBC0_CFG, 0xa8400000);    /* ebc always driven */
  47
  48        return 0;
  49}
  50
  51/*
  52 * Check Board Identity:
  53 */
  54int checkboard(void)
  55{
  56        char buf[64];
  57        int i = getenv_f("serial#", buf, sizeof(buf));
  58        u16 val = in_le16((void *)CONFIG_FPGA_BASE + 2);
  59        u8 unit_type;
  60        u8 hardware_cpu_ports;
  61        u8 hardware_con_ports;
  62        u8 hardware_version;
  63
  64        printf("Board: CATCenter Neo");
  65
  66        if (i > 0) {
  67                puts(", serial# ");
  68                puts(buf);
  69        }
  70        puts("\n       ");
  71
  72        unit_type = (val & 0xf000) >> 12;
  73        hardware_cpu_ports = ((val & 0x0f00) >> 8) * 8;
  74        hardware_con_ports = ((val & 0x00f0) >> 4) * 2;
  75        hardware_version = val & 0x000f;
  76
  77        switch (unit_type) {
  78        case HWTYPE_CCX16:
  79                printf("CCX16-FPGA (80 UARTs)");
  80                break;
  81
  82        default:
  83                printf("UnitType %d, unsupported", unit_type);
  84                break;
  85        }
  86
  87        printf(", %d cpu ports, %d console ports,",
  88               hardware_cpu_ports, hardware_con_ports);
  89
  90        switch (hardware_version) {
  91        case HWREV_300:
  92                printf(" HW-Ver 3.00\n");
  93                break;
  94
  95        default:
  96                printf(" HW-Ver %d, unsupported\n",
  97                       hardware_version);
  98                break;
  99        }
 100
 101        return 0;
 102}
 103