LXR uboot/board/actux3/actux3.c

   1/*
   2 * (C) Copyright 2007
   3 * Michael Schwingen, michael@schwingen.org
   4 *
   5 * (C) Copyright 2006
   6 * Stefan Roese, DENX Software Engineering, sr@denx.de.
   7 *
   8 * (C) Copyright 2002
   9 * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
  10 *
  11 * (C) Copyright 2002
  12 * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
  13 * Marius Groeger <mgroeger@sysgo.de>
  14 *
  15 * See file CREDITS for list of people who contributed to this
  16 * project.
  17 *
  18 * This program is free software; you can redistribute it and/or
  19 * modify it under the terms of the GNU General Public License as
  20 * published by the Free Software Foundation; either version 2 of
  21 * the License, or (at your option) any later version.
  22 *
  23 * This program is distributed in the hope that it will be useful,
  24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  26 * GNU General Public License for more details.
  27 *
  28 * You should have received a copy of the GNU General Public License
  29 * along with this program; if not, write to the Free Software
  30 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  31 * MA 02111-1307 USA
  32 */
  33
  34#include <common.h>
  35#include <command.h>
  36#include <malloc.h>
  37#include <asm/arch/ixp425.h>
  38#include <asm/io.h>
  39
  40#include <miiphy.h>
  41
  42#include "actux3_hw.h"
  43
  44DECLARE_GLOBAL_DATA_PTR;
  45
  46int board_init (void)
  47{
  48        gd->bd->bi_arch_number = MACH_TYPE_ACTUX3;
  49
  50        /* adress of boot parameters */
  51        gd->bd->bi_boot_params = 0x00000100;
  52
  53        GPIO_OUTPUT_ENABLE (CONFIG_SYS_GPIO_IORST);
  54        GPIO_OUTPUT_ENABLE (CONFIG_SYS_GPIO_ETHRST);
  55        GPIO_OUTPUT_ENABLE (CONFIG_SYS_GPIO_DSR);
  56        GPIO_OUTPUT_ENABLE (CONFIG_SYS_GPIO_DCD);
  57        GPIO_OUTPUT_ENABLE (CONFIG_SYS_GPIO_LED5_GN);
  58        GPIO_OUTPUT_ENABLE (CONFIG_SYS_GPIO_LED6_RT);
  59        GPIO_OUTPUT_ENABLE (CONFIG_SYS_GPIO_LED6_GN);
  60
  61        GPIO_OUTPUT_CLEAR (CONFIG_SYS_GPIO_IORST);
  62        GPIO_OUTPUT_CLEAR (CONFIG_SYS_GPIO_ETHRST);
  63
  64        GPIO_OUTPUT_CLEAR (CONFIG_SYS_GPIO_DSR);
  65        GPIO_OUTPUT_SET (CONFIG_SYS_GPIO_DCD);
  66
  67        GPIO_OUTPUT_CLEAR (CONFIG_SYS_GPIO_LED5_GN);
  68        GPIO_OUTPUT_CLEAR (CONFIG_SYS_GPIO_LED6_RT);
  69        GPIO_OUTPUT_CLEAR (CONFIG_SYS_GPIO_LED6_GN);
  70
  71        /*
  72         * Setup GPIO's for Interrupt inputs
  73         */
  74        GPIO_OUTPUT_DISABLE (CONFIG_SYS_GPIO_DBGINT);
  75        GPIO_OUTPUT_DISABLE (CONFIG_SYS_GPIO_ETHINT);
  76
  77        /*
  78         * Setup GPIO's for 33MHz clock output
  79         */
  80        GPIO_OUTPUT_ENABLE (CONFIG_SYS_GPIO_PCI_CLK);
  81        GPIO_OUTPUT_ENABLE (CONFIG_SYS_GPIO_EXTBUS_CLK);
  82        *IXP425_GPIO_GPCLKR = 0x011001FF;
  83
  84        /* CS1: IPAC-X */
  85        *IXP425_EXP_CS1 = 0x94d10013;
  86        /* CS5: Debug port */
  87        *IXP425_EXP_CS5 = 0x9d520003;
  88        /* CS6: Release/Option register */
  89        *IXP425_EXP_CS6 = 0x81860001;
  90        /* CS7: LEDs */
  91        *IXP425_EXP_CS7 = 0x80900003;
  92
  93        udelay (533);
  94        GPIO_OUTPUT_SET (CONFIG_SYS_GPIO_IORST);
  95        GPIO_OUTPUT_SET (CONFIG_SYS_GPIO_ETHRST);
  96
  97        ACTUX3_LED1_RT (1);
  98        ACTUX3_LED1_GN (0);
  99        ACTUX3_LED2_RT (0);
 100        ACTUX3_LED2_GN (0);
 101        ACTUX3_LED3_RT (0);
 102        ACTUX3_LED3_GN (0);
 103        ACTUX3_LED4_GN (0);
 104        ACTUX3_LED5_RT (0);
 105
 106        return 0;
 107}
 108
 109/*
 110 * Check Board Identity
 111 */
 112int checkboard (void)
 113{
 114        char *s = getenv ("serial#");
 115
 116        puts ("Board: AcTux-3 rev.");
 117        putc (ACTUX3_BOARDREL + 'A' - 1);
 118
 119        if (s != NULL) {
 120                puts (", serial# ");
 121                puts (s);
 122        }
 123        putc ('\n');
 124
 125        return (0);
 126}
 127
 128/*************************************************************************
 129 * get_board_rev() - setup to pass kernel board revision information
 130 * 0 = reserved
 131 * 1 = Rev. A
 132 * 2 = Rev. B
 133 *************************************************************************/
 134u32 get_board_rev (void)
 135{
 136        return ACTUX3_BOARDREL;
 137}
 138
 139int dram_init (void)
 140{
 141        gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
 142        gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
 143
 144        return (0);
 145}
 146
 147void reset_phy (void)
 148{
 149        int i;
 150
 151        /* initialize the PHY */
 152        miiphy_reset ("NPE0", CONFIG_PHY_ADDR);
 153
 154        /* all LED outputs = Link/Act */
 155        miiphy_write ("NPE0", CONFIG_PHY_ADDR, 0x16, 0x0AAA);
 156
 157        /*
 158         * The Marvell 88E6060 switch comes up with all ports disabled.
 159         * set all ethernet switch ports to forwarding state
 160        */
 161        for (i = 1; i <= 5; i++)
 162                miiphy_write ("NPE0", CONFIG_PHY_ADDR + 8 + i, 0x04, 0x03);
 163
 164}
 165