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 /*--------------------------------------------------------------*/
  28 static inline void miconCntl_SendUart(unsigned char dat)
  29 {
  30         out_8((unsigned char *)AVR_PORT, dat);
  31         mdelay(1);
  32 }
  33
  34 /*--------------------------------------------------------------*/
  35 void 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 /*--------------------------------------------------------------*/
  45 void miconCntl_FanLow(void)
  46 {
  47 #ifdef CONFIG_HTGL
  48         miconCntl_SendCmd(0x5C);
  49 #endif
  50 }
  51
  52 /*--------------------------------------------------------------*/
  53 void miconCntl_FanHigh(void)
  54 {
  55 #ifdef CONFIG_HTGL
  56         miconCntl_SendCmd(0x5D);
  57 #endif
  58 }
  59
  60 /*--------------------------------------------------------------*/
  61 /* 1000Mbps */
  62 void 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 */
  79 void 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 */
  94 void 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 /*  */
 109 void miconCntl_5f(void)
 110 {
 111         miconCntl_SendCmd(0x5F);
 112         mdelay(100);
 113 }
 114
 115 /*--------------------------------------------------------------*/
 116 /* "reboot start" signal */
 117 void miconCntl_Reboot(void)
 118 {
 119         miconCntl_SendCmd(0x43);
 120 }
 121
 122 /*--------------------------------------------------------------*/
 123 /* Disable watchdog timer */
 124 void 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 }