board/actux1/actux1.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 #include <miiphy.h>
  40 #ifdef CONFIG_PCI
  41 #include <pci.h>
  42 #include <asm/arch/ixp425pci.h>
  43 #endif
  44
  45 #include "actux1_hw.h"
  46
  47 DECLARE_GLOBAL_DATA_PTR;
  48
  49 int board_early_init_f(void)
  50 {
  51         /* CS5: Debug port */
  52         writel(0x9d520003, IXP425_EXP_CS5);
  53         /* CS6: HwRel */
  54         writel(0x81860001, IXP425_EXP_CS6);
  55         /* CS7: LEDs */
  56         writel(0x80900003, IXP425_EXP_CS7);
  57         return 0;
  58 }
  59
  60 int board_init(void)
  61 {
  62         gd->bd->bi_arch_number = MACH_TYPE_ACTUX1;
  63
  64         /* adress of boot parameters */
  65         gd->bd->bi_boot_params = 0x00000100;
  66
  67         GPIO_OUTPUT_CLEAR(CONFIG_SYS_GPIO_IORST);
  68         GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_IORST);
  69
  70         /* Setup GPIOs for PCI INTA */
  71         GPIO_OUTPUT_DISABLE(CONFIG_SYS_GPIO_PCI1_INTA);
  72         GPIO_INT_ACT_LOW_SET(CONFIG_SYS_GPIO_PCI1_INTA);
  73
  74         /* Setup GPIOs for 33MHz clock output */
  75         GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_PCI_CLK);
  76         GPIO_OUTPUT_ENABLE(CONFIG_SYS_GPIO_EXTBUS_CLK);
  77         writel(0x011001FF, IXP425_GPIO_GPCLKR);
  78
  79         udelay(533);
  80         GPIO_OUTPUT_SET(CONFIG_SYS_GPIO_IORST);
  81
  82         ACTUX1_LED1(2);
  83         ACTUX1_LED2(2);
  84         ACTUX1_LED3(0);
  85         ACTUX1_LED4(0);
  86         ACTUX1_LED5(0);
  87         ACTUX1_LED6(0);
  88         ACTUX1_LED7(0);
  89
  90         ACTUX1_HS(ACTUX1_HS_DCD);
  91
  92         return 0;
  93 }
  94
  95 /*
  96  * Check Board Identity
  97  */
  98 int checkboard(void)
  99 {
 100         char buf[64];
 101         int i = getenv_f("serial#", buf, sizeof(buf));
 102
 103         puts("Board: AcTux-1 rev.");
 104         putc(ACTUX1_BOARDREL + 'A' - 1);
 105
 106         if (i > 0) {
 107                 puts(", serial# ");
 108                 puts(buf);
 109         }
 110         putc('\n');
 111
 112         return 0;
 113 }
 114
 115 /*************************************************************************
 116  * get_board_rev() - setup to pass kernel board revision information
 117  * 0 = reserved
 118  * 1 = Rev. A
 119  * 2 = Rev. B
 120  *************************************************************************/
 121 u32 get_board_rev(void)
 122 {
 123         return ACTUX1_BOARDREL;
 124 }
 125
 126 int dram_init(void)
 127 {
 128         gd->ram_size = get_ram_size(CONFIG_SYS_SDRAM_BASE, 128<<20);
 129         return 0;
 130 }
 131
 132
 133 #ifdef CONFIG_PCI
 134 struct pci_controller hose;
 135
 136 void pci_init_board(void)
 137 {
 138         pci_ixp_init(&hose);
 139 }
 140 #endif
 141
 142 void reset_phy(void)
 143 {
 144         u16 id1, id2;
 145
 146         /* initialize the PHY */
 147         miiphy_reset("NPE0", CONFIG_PHY_ADDR);
 148
 149         miiphy_read("NPE0", CONFIG_PHY_ADDR, MII_PHYSID1, &id1);
 150         miiphy_read("NPE0", CONFIG_PHY_ADDR, MII_PHYSID2, &id2);
 151
 152         id2 &= 0xFFF0;          /* mask out revision bits */
 153
 154         if (id1 == 0x13 && id2 == 0x78e0) {
 155                 /*
 156                  * LXT971/LXT972 PHY: set LED outputs:
 157                  * LED1(green) = Link/ACT,
 158                  * LED2 (unused) = LINK,
 159                  * LED3(red) = Coll
 160                  */
 161                 miiphy_write("NPE0", CONFIG_PHY_ADDR, 20, 0xD432);
 162         } else if (id1 == 0x143 && id2 == 0xbc30) {
 163                 /* BCM5241: default values are OK */
 164         } else
 165                 printf("unknown ethernet PHY ID: %x %x\n", id1, id2);
 166 }