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  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 #include <common.h>
  10 #include <command.h>
  11 #include <netdev.h>
  12 #include <asm/mipsregs.h>
  13 #include "vct.h"
  14
  15 #if defined(CONFIG_VCT_PREMIUM)
  16 #define BOARD_NAME      "PremiumD"
  17 #elif defined(CONFIG_VCT_PLATINUM)
  18 #define BOARD_NAME      "PlatinumD"
  19 #elif defined(CONFIG_VCT_PLATINUMAVC)
  20 #define BOARD_NAME      "PlatinumAVC"
  21 #else
  22 #error "vct: No board variant defined!"
  23 #endif
  24
  25 #if defined(CONFIG_VCT_ONENAND)
  26 #define BOARD_NAME_ADD  " OneNAND"
  27 #else
  28 #define BOARD_NAME_ADD  " NOR"
  29 #endif
  30
  31 DECLARE_GLOBAL_DATA_PTR;
  32
  33 int board_early_init_f(void)
  34 {
  35         /*
  36          * First initialize the PIN mulitplexing
  37          */
  38         vct_pin_mux_initialize();
  39
  40         /*
  41          * Init the EBI very early so that FLASH can be accessed
  42          */
  43         ebi_initialize();
  44
  45         return 0;
  46 }
  47
  48 void _machine_restart(void)
  49 {
  50         reg_write(DCGU_EN_WDT_RESET(DCGU_BASE), DCGU_MAGIC_WDT);
  51         reg_write(WDT_TORR(WDT_BASE), 0x00);
  52         reg_write(WDT_CR(WDT_BASE), 0x1D);
  53
  54         /*
  55          * Now wait for the watchdog to trigger the reset
  56          */
  57         udelay(1000000);
  58 }
  59
  60 /*
  61  * SDRAM is already configured by the bootstrap code, only return the
  62  * auto-detected size here
  63  */
  64 int initdram(void)
  65 {
  66         gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
  67                             CONFIG_SYS_MBYTES_SDRAM << 20);
  68
  69         return 0;
  70 }
  71
  72 int checkboard(void)
  73 {
  74         char buf[64];
  75         int i = getenv_f("serial#", buf, sizeof(buf));
  76         u32 config0 = read_c0_prid();
  77
  78         if ((config0 & 0xff0000) == PRID_COMP_LEGACY
  79             && (config0 & 0xff00) == PRID_IMP_LX4280) {
  80                 puts("Board: MDED \n");
  81                 printf("CPU:   LX4280 id: 0x%02x, rev: 0x%02x\n",
  82                        (config0 >> 8) & 0xFF, config0 & 0xFF);
  83         } else if ((config0 & 0xff0000) == PRID_COMP_MIPS
  84                    && (config0 & 0xff00) == PRID_IMP_VGC) {
  85                 u32 jedec_id = *((u32 *) 0xBEBC71A0);
  86                 if ((((jedec_id) >> 12) & 0xFF) == 0x40) {
  87                         puts("Board: VGCA \n");
  88                 } else if ((((jedec_id) >> 12) & 0xFF) == 0x48
  89                            || (((jedec_id) >> 12) & 0xFF) == 0x49) {
  90                         puts("Board: VGCB \n");
  91                 }
  92                 printf("CPU:   MIPS 4K id: 0x%02x, rev: 0x%02x\n",
  93                        (config0 >> 8) & 0xFF, config0 & 0xFF);
  94         } else if (config0 == 0x19378) {
  95                 printf("CPU:   MIPS 24K id: 0x%02x, rev: 0x%02x\n",
  96                        (config0 >> 8) & 0xFF, config0 & 0xFF);
  97         } else {
  98                 printf("Unsupported cpu %d, proc_id=0x%x\n", config0 >> 24,
  99                        config0);
 100         }
 101
 102         printf("Board: Micronas VCT " BOARD_NAME BOARD_NAME_ADD);
 103         if (i > 0) {
 104                 puts(", serial# ");
 105                 puts(buf);
 106         }
 107         putc('\n');
 108
 109         return 0;
 110 }
 111
 112 int board_eth_init(bd_t *bis)
 113 {
 114         int rc = 0;
 115 #ifdef CONFIG_SMC911X
 116         rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
 117 #endif
 118         return rc;
 119 }