LXR uboot/board/linkstation/hwctl.c

   1/*
   2 * hwctl.c
   3 *
   4 * LinkStation HW Control Driver
   5 *
   6 * Copyright (C) 2001-2004  BUFFALO INC.
   7 *
   8 * This software may be used and distributed according to the terms of
   9 * the GNU General Public License (GPL), incorporated herein by reference.
  10 * Drivers based on or derived from this code fall under the GPL and must
  11 * retain the authorship, copyright and license notice.  This file is not
  12 * a complete program and may only be used when the entire operating
  13 * system is licensed under the GPL.
  14 *
  15 */
  16
  17#include <config.h>
  18#include <common.h>
  19#include <command.h>
  20#include <asm/io.h>
  21
  22#define mdelay(n)       udelay((n)*1000)
  23
  24#define AVR_PORT CONFIG_SYS_NS16550_COM2
  25
  26/* 2005.5.10 BUFFALO add */
  27/*--------------------------------------------------------------*/
  28static inline void miconCntl_SendUart(unsigned char dat)
  29{
  30        out_8((unsigned char *)AVR_PORT, dat);
  31        mdelay(1);
  32}
  33
  34/*--------------------------------------------------------------*/
  35void miconCntl_SendCmd(unsigned char dat)
  36{
  37        int i;
  38
  39        for (i=0; i<4; i++){
  40                miconCntl_SendUart(dat);
  41        }
  42}
  43
  44/*--------------------------------------------------------------*/
  45void miconCntl_FanLow(void)
  46{
  47#ifdef CONFIG_HTGL
  48        miconCntl_SendCmd(0x5C);
  49#endif
  50}
  51
  52/*--------------------------------------------------------------*/
  53void miconCntl_FanHigh(void)
  54{
  55#ifdef CONFIG_HTGL
  56        miconCntl_SendCmd(0x5D);
  57#endif
  58}
  59
  60/*--------------------------------------------------------------*/
  61/* 1000Mbps */
  62void miconCntl_Eth1000M(int up)
  63{
  64#ifdef CONFIG_HTGL
  65        if (up)
  66                miconCntl_SendCmd(0x93);
  67        else
  68                miconCntl_SendCmd(0x92);
  69#else
  70        if (up)
  71                miconCntl_SendCmd(0x5D);
  72        else
  73                miconCntl_SendCmd(0x5C);
  74#endif
  75}
  76
  77/*--------------------------------------------------------------*/
  78/* 100Mbps */
  79void miconCntl_Eth100M(int up)
  80{
  81#ifdef CONFIG_HTGL
  82        if (up)
  83                miconCntl_SendCmd(0x91);
  84        else
  85                miconCntl_SendCmd(0x90);
  86#else
  87        if (up)
  88                miconCntl_SendCmd(0x5C);
  89#endif
  90}
  91
  92/*--------------------------------------------------------------*/
  93/* 10Mbps */
  94void miconCntl_Eth10M(int up)
  95{
  96#ifdef CONFIG_HTGL
  97        if (up)
  98                miconCntl_SendCmd(0x8F);
  99        else
 100                miconCntl_SendCmd(0x8E);
 101#else
 102        if (up)
 103                miconCntl_SendCmd(0x5C);
 104#endif
 105}
 106
 107/*--------------------------------------------------------------*/
 108/*  */
 109void miconCntl_5f(void)
 110{
 111        miconCntl_SendCmd(0x5F);
 112        mdelay(100);
 113}
 114
 115/*--------------------------------------------------------------*/
 116/* "reboot start" signal */
 117void miconCntl_Reboot(void)
 118{
 119        miconCntl_SendCmd(0x43);
 120}
 121
 122/*--------------------------------------------------------------*/
 123/* Disable watchdog timer */
 124void miconCntl_DisWDT(void)
 125{
 126        miconCntl_SendCmd(0x41); /* A */
 127        miconCntl_SendCmd(0x46); /* F */
 128        miconCntl_SendCmd(0x4A); /* J */
 129        miconCntl_SendCmd(0x3E); /* > */
 130        miconCntl_SendCmd(0x56); /* V */
 131        miconCntl_SendCmd(0x3E); /* > */
 132        miconCntl_SendCmd(0x5A); /* Z */
 133        miconCntl_SendCmd(0x56); /* V */
 134        miconCntl_SendCmd(0x4B); /* K */
 135}
 136