LXR uboot/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
  31int board_early_init_f(void)
  32{
  33        /*
  34         * First initialize the PIN mulitplexing
  35         */
  36        vct_pin_mux_initialize();
  37
  38        /*
  39         * Init the EBI very early so that FLASH can be accessed
  40         */
  41        ebi_initialize();
  42
  43        return 0;
  44}
  45
  46void _machine_restart(void)
  47{
  48        reg_write(DCGU_EN_WDT_RESET(DCGU_BASE), DCGU_MAGIC_WDT);
  49        reg_write(WDT_TORR(WDT_BASE), 0x00);
  50        reg_write(WDT_CR(WDT_BASE), 0x1D);
  51
  52        /*
  53         * Now wait for the watchdog to trigger the reset
  54         */
  55        udelay(1000000);
  56}
  57
  58/*
  59 * SDRAM is already configured by the bootstrap code, only return the
  60 * auto-detected size here
  61 */
  62phys_size_t initdram(int board_type)
  63{
  64        return get_ram_size((long *)CONFIG_SYS_SDRAM_BASE,
  65                            CONFIG_SYS_MBYTES_SDRAM << 20);
  66}
  67
  68int checkboard(void)
  69{
  70        char buf[64];
  71        int i = getenv_f("serial#", buf, sizeof(buf));
  72        u32 config0 = read_c0_prid();
  73
  74        if ((config0 & 0xff0000) == PRID_COMP_LEGACY
  75            && (config0 & 0xff00) == PRID_IMP_LX4280) {
  76                puts("Board: MDED \n");
  77                printf("CPU:   LX4280 id: 0x%02x, rev: 0x%02x\n",
  78                       (config0 >> 8) & 0xFF, config0 & 0xFF);
  79        } else if ((config0 & 0xff0000) == PRID_COMP_MIPS
  80                   && (config0 & 0xff00) == PRID_IMP_VGC) {
  81                u32 jedec_id = *((u32 *) 0xBEBC71A0);
  82                if ((((jedec_id) >> 12) & 0xFF) == 0x40) {
  83                        puts("Board: VGCA \n");
  84                } else if ((((jedec_id) >> 12) & 0xFF) == 0x48
  85                           || (((jedec_id) >> 12) & 0xFF) == 0x49) {
  86                        puts("Board: VGCB \n");
  87                }
  88                printf("CPU:   MIPS 4K id: 0x%02x, rev: 0x%02x\n",
  89                       (config0 >> 8) & 0xFF, config0 & 0xFF);
  90        } else if (config0 == 0x19378) {
  91                printf("CPU:   MIPS 24K id: 0x%02x, rev: 0x%02x\n",
  92                       (config0 >> 8) & 0xFF, config0 & 0xFF);
  93        } else {
  94                printf("Unsupported cpu %d, proc_id=0x%x\n", config0 >> 24,
  95                       config0);
  96        }
  97
  98        printf("Board: Micronas VCT " BOARD_NAME BOARD_NAME_ADD);
  99        if (i > 0) {
 100                puts(", serial# ");
 101                puts(buf);
 102        }
 103        putc('\n');
 104
 105        return 0;
 106}
 107
 108int board_eth_init(bd_t *bis)
 109{
 110        int rc = 0;
 111#ifdef CONFIG_SMC911X
 112        rc = smc911x_initialize(0, CONFIG_SMC911X_BASE);
 113#endif
 114        return rc;
 115}
 116