board/actux2/actux2.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 "actux2_hw.h"
  43
  44 DECLARE_GLOBAL_DATA_PTR;
  45
  46 int board_init (void)
  47 {
  48         gd->bd->bi_arch_number = MACH_TYPE_ACTUX2;
  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
  58         GPIO_OUTPUT_CLEAR (CONFIG_SYS_GPIO_IORST);
  59         GPIO_OUTPUT_CLEAR (CONFIG_SYS_GPIO_ETHRST);
  60
  61         GPIO_OUTPUT_CLEAR (CONFIG_SYS_GPIO_DSR);
  62         GPIO_OUTPUT_SET (CONFIG_SYS_GPIO_DCD);
  63
  64         /* Setup GPIO's for Interrupt inputs */
  65         GPIO_OUTPUT_DISABLE (CONFIG_SYS_GPIO_DBGINT);
  66         GPIO_OUTPUT_DISABLE (CONFIG_SYS_GPIO_ETHINT);
  67
  68         /* Setup GPIO's for 33MHz clock output */
  69         GPIO_OUTPUT_ENABLE (CONFIG_SYS_GPIO_PCI_CLK);
  70         GPIO_OUTPUT_ENABLE (CONFIG_SYS_GPIO_EXTBUS_CLK);
  71         *IXP425_GPIO_GPCLKR = 0x011001FF;
  72
  73         /* CS1: IPAC-X */
  74         *IXP425_EXP_CS1 = 0x94d10013;
  75         /* CS5: Debug port */
  76         *IXP425_EXP_CS5 = 0x9d520003;
  77         /* CS6: HW release register */
  78         *IXP425_EXP_CS6 = 0x81860001;
  79         /* CS7: LEDs */
  80         *IXP425_EXP_CS7 = 0x80900003;
  81
  82         udelay (533);
  83         GPIO_OUTPUT_SET (CONFIG_SYS_GPIO_IORST);
  84         GPIO_OUTPUT_SET (CONFIG_SYS_GPIO_ETHRST);
  85
  86         ACTUX2_LED1 (1);
  87         ACTUX2_LED2 (0);
  88         ACTUX2_LED3 (0);
  89         ACTUX2_LED4 (0);
  90
  91         return 0;
  92 }
  93
  94 /*
  95  * Check Board Identity
  96  */
  97 int checkboard (void)
  98 {
  99         char *s = getenv ("serial#");
 100
 101         puts ("Board: AcTux-2 rev.");
 102         putc (ACTUX2_BOARDREL + 'A' - 1);
 103
 104         if (s != NULL) {
 105                 puts (", serial# ");
 106                 puts (s);
 107         }
 108         putc ('\n');
 109
 110         return (0);
 111 }
 112
 113 int dram_init (void)
 114 {
 115         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
 116         gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
 117
 118         return (0);
 119 }
 120
 121 /*************************************************************************
 122  * get_board_rev() - setup to pass kernel board revision information
 123  * 0 = reserved
 124  * 1 = Rev. A
 125  * 2 = Rev. B
 126  *************************************************************************/
 127 u32 get_board_rev (void)
 128 {
 129         return ACTUX2_BOARDREL;
 130 }
 131
 132 void reset_phy (void)
 133 {
 134         /* init IcPlus IP175C ethernet switch to native IP175C mode */
 135         miiphy_write ("NPE0", 29, 31, 0x175C);
 136 }