/*
   * (C) Copyright 2007-2008
   * Dirk Eibach,  Guntermann & Drunck GmbH, eibach@gdsys.de
   *
   * See file CREDITS for list of people who contributed to this
   * project.
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License as
   * published by the Free Software Foundation; either version 2 of
   * the License, or (at your option) any later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
   * MA 02111-1307 USA
   */
  
  #include <common.h>
  #include <command.h>
  #include <asm/processor.h>
  #include <asm/io.h>
  
  #define HWTYPE_CCX16	1
  #define HWREV_300	3
  
  int board_early_init_f(void)
  {

  	mtdcr(UIC0SR, 0xFFFFFFFF);	/* clear all ints */
  	mtdcr(UIC0ER, 0x00000000);	/* disable all ints */
  	mtdcr(UIC0CR, 0x00000000);	/* set all to be non-critical */
  	mtdcr(UIC0PR, 0xFFFFFF80);	/* set int polarities */
  	mtdcr(UIC0TR, 0x10000000);	/* set int trigger levels */
  	mtdcr(UIC0VCR, 0x00000001);	/* set vect base=0,INT0 highest prio */
  	mtdcr(UIC0SR, 0xFFFFFFFF);	/* clear all ints */

  
  	/*
  	 * EBC Configuration Register: set ready timeout to 512 ebc-clks
  	 * -> ca. 15 us
  	 */

  	mtebc(EBC0_CFG, 0xa8400000);	/* ebc always driven */

  
  	return 0;
  }
  
  /*
   * Check Board Identity:
   */
  int checkboard(void)
  {

  	char buf[64];
  	int i = getenv_f("serial#", buf, sizeof(buf));

  	u16 val = in_le16((void *)CONFIG_FPGA_BASE + 2);
  	u8 unit_type;
  	u8 hardware_cpu_ports;
  	u8 hardware_con_ports;
  	u8 hardware_version;
  
  	printf("Board: CATCenter Neo");

  	if (i > 0) {

  		puts(", serial# ");

  		puts(buf);

  	}
  	puts("
         ");
  
  	unit_type = (val & 0xf000) >> 12;
  	hardware_cpu_ports = ((val & 0x0f00) >> 8) * 8;
  	hardware_con_ports = ((val & 0x00f0) >> 4) * 2;
  	hardware_version = val & 0x000f;
  
  	switch (unit_type) {
  	case HWTYPE_CCX16:
  		printf("CCX16-FPGA (80 UARTs)");
  		break;
  
  	default:
  		printf("UnitType %d, unsupported", unit_type);
  		break;
  	}
  
  	printf(", %d cpu ports, %d console ports,",
  	       hardware_cpu_ports, hardware_con_ports);
  
  	switch (hardware_version) {
  	case HWREV_300:
  		printf(" HW-Ver 3.00
  ");
  		break;
  
  	default:
  		printf(" HW-Ver %d, unsupported
  ",
  		       hardware_version);
  		break;
  	}
  
  	return 0;
  }