board/micronas/vct/vct.c

   1 /*
   2  * (C) Copyright 2008 Stefan Roese <sr@denx.de>, DENX Software Engineering
   3  *
   4  * Copyright (C) 2006 Micronas GmbH
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License as
   8  * published by the Free Software Foundation; either version 2 of
   9  * the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  19  * MA 02111-1307 USA
  20  */
  21
  22 #include <common.h>
  23 #include <command.h>
  24 #include <netdev.h>
  25 #include <asm/mipsregs.h>
  26 #include "vct.h"
  27
  28 #if defined(CONFIG_VCT_PREMIUM)
  29 #define BOARD_NAME      "PremiumD"
  30 #elif defined(CONFIG_VCT_PLATINUM)
  31 #define BOARD_NAME      "PlatinumD"
  32 #elif defined(CONFIG_VCT_PLATINUMAVC)
  33 #define BOARD_NAME      "PlatinumAVC"
  34 #else
  35 #error "vct: No board variant defined!"
  36 #endif
  37
  38 #if defined(CONFIG_VCT_ONENAND)
  39 #define BOARD_NAME_ADD  " OneNAND"
  40 #else
  41 #define BOARD_NAME_ADD  " NOR"
  42 #endif
  43
  44 int board_early_init_f(void)
  45 {
  46         /*
  47          * First initialize the PIN mulitplexing
  48          */
  49         vct_pin_mux_initialize();
  50
  51         /*
  52          * Init the EBI very early so that FLASH can be accessed
  53          */
  54         ebi_initialize();
  55
  56         return 0;
  57 }
  58
  59 void _machine_restart(void)
  60 {
  61         reg_write(DCGU_EN_WDT_RESET(DCGU_BASE), DCGU_MAGIC_WDT);
  62         reg_write(WDT_TORR(WDT_BASE), 0x00);
  63         reg_write(WDT_CR(WDT_BASE), 0x1D);
  64
  65         /*
  66          * Now wait for the watchdog to trigger the reset
  67          */
  68         udelay(1000000);
  69 }
  70
  71 /*
  72  * SDRAM is already configured by the bootstrap code, only return the
  73  * auto-detected size here
  74  */
  75 phys_size_t initdram(int board_type)
  76 {
  77         return get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
  78                             CONFIG_SYS_MBYTES_SDRAM << 20);
  79 }
  80
  81 int checkboard(void)
  82 {
  83         char buf[64];
  84         int i = getenv_f("serial#", buf, sizeof(buf));
  85         u32 config0 = read_c0_prid();
  86
  87         if ((config0 & 0xff0000) == PRID_COMP_LEGACY
  88             && (config0 & 0xff00) == PRID_IMP_LX4280) {
  89                 puts("Board: MDED \n");
  90                 printf("CPU:   LX4280 id: 0x%02x, rev: 0x%02x\n",
  91                        (config0 >> 8) & 0xFF, config0 & 0xFF);
  92         } else if ((config0 & 0xff0000) == PRID_COMP_MIPS
  93                    && (config0 & 0xff00) == PRID_IMP_VGC) {
  94                 u32 jedec_id = *((u32 *) 0xBEBC71A0);
  95                 if ((((jedec_id) >> 12) & 0xFF) == 0x40) {
  96                         puts("Board: VGCA \n");
  97                 } else if ((((jedec_id) >> 12) & 0xFF) == 0x48
  98                            || (((jedec_id) >> 12) & 0xFF) == 0x49) {
  99                         puts("Board: VGCB \n");
 100                 }
 101                 printf("CPU:   MIPS 4K id: 0x%02x, rev: 0x%02x\n",
 102                        (config0 >> 8) & 0xFF, config0 & 0xFF);
 103         } else if (config0 == 0x19378) {
 104                 printf("CPU:   MIPS 24K id: 0x%02x, rev: 0x%02x\n",
 105                        (config0 >> 8) & 0xFF, config0 & 0xFF);
 106         } else {
 107                 printf("Unsupported cpu %d, proc_id=0x%x\n", config0 >> 24,
 108                        config0);
 109         }
 110
 111         printf("Board: Micronas VCT " BOARD_NAME BOARD_NAME_ADD);
 112         if (i > 0) {
 113                 puts(", serial# ");
 114                 puts(buf);
 115         }
 116         putc('\n');
 117
 118         return 0;
 119 }
 120
 121 int board_eth_init(bd_t *bis)
 122 {
 123         int rc = 0;
 124 #ifdef CONFIG_SMC911X
 125         rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
 126 #endif
 127         return rc;
 128 }