aplfw/driver/ether/lan9000/lan9000hal_setup.c

   1 /**
   2  *  Hyper Operating System  Application Framework
   3  *
   4  * @file  lan9000hal.h
   5  * @brief %jp{LAN9000シリーズ用ハードウェアアクセス層}
   6  *
   7  * Copyright (C) 2006-2007 by Project HOS
   8  * http://sourceforge.jp/projects/hos/
   9  */
  10
  11
  12 #include "system/sysapi/sysapi.h"
  13 #include "lan9000hal_local.h"
  14
  15
  16
  17 /** 初期化 */
  18 int Lan9000Hal_Setup(C_LAN9000HAL *self)
  19 {
  20         int iTimeOut;
  21
  22         /* リセット処理 */
  23         LAN9000HAL_REG_WRITE(self, LAN9000HAL_BANK, 0);
  24         LAN9000HAL_REG_WRITE(self, LAN9000HAL_B0_RCR, 0x8000);
  25
  26         LAN9000HAL_REG_WRITE(self, LAN9000HAL_BANK, 1);
  27         LAN9000HAL_REG_WRITE(self, LAN9000HAL_B1_CONFIG, LAN9000HAL_REG_READ(self, LAN9000HAL_B1_CONFIG) | 0x8000);
  28         SysTim_Wait(50);
  29
  30         LAN9000HAL_REG_WRITE(self, LAN9000HAL_BANK, 0);
  31         LAN9000HAL_REG_WRITE(self, LAN9000HAL_B0_RCR,  0x0000);
  32         SysTim_Wait(50);
  33
  34         LAN9000HAL_REG_WRITE(self, LAN9000HAL_BANK, 2);
  35         LAN9000HAL_REG_WRITE(self, LAN9000HAL_B2_MMU_COMMAND,  0x0040);
  36
  37
  38         /* ANEG処理 */
  39         LAN9000HAL_REG_WRITE(self, LAN9000HAL_BANK, 0);
  40         LAN9000HAL_REG_WRITE(self, LAN9000HAL_B0_RPCR, 0x0800);
  41         SysTim_Wait(100);
  42
  43         Lan9000Hal_PhyRegWrite(self, 0, 0, 0x8000);
  44         SysTim_Wait(50);
  45
  46         Lan9000Hal_PhyRegWrite(self, 0, 0, 0x3000);
  47         SysTim_Wait(1500);
  48
  49         iTimeOut = 0;
  50         while ( !(Lan9000Hal_PhyRegRead(self, 0, 1) & 0x0020) )
  51         {
  52                 if ( iTimeOut++ > 200 )
  53                 {
  54                         return (-1);
  55                 }
  56                 SysTim_Wait(10);
  57         }
  58
  59         /* Configure the Transmit and Receive registers to allow external loopback */
  60         LAN9000HAL_REG_WRITE(self, LAN9000HAL_BANK, 0);
  61         LAN9000HAL_REG_WRITE(self, LAN9000HAL_B0_RPCR, 0x0800);
  62         LAN9000HAL_REG_WRITE(self, LAN9000HAL_B0_TCR, 0x0881);
  63         LAN9000HAL_REG_WRITE(self, LAN9000HAL_B0_RCR, 0x0302);
  64         LAN9000HAL_REG_WRITE(self, LAN9000HAL_BANK, 1);
  65         LAN9000HAL_REG_WRITE(self, LAN9000HAL_B1_CONFIG, LAN9000HAL_REG_READ(self, LAN9000HAL_B1_CONFIG) | 0x8000);
  66         LAN9000HAL_REG_WRITE(self, LAN9000HAL_B1_CONTROL,  0x5a10);
  67         SysTim_Wait(1);
  68
  69         /* 送信バッファ割り当て要求 */
  70         LAN9000HAL_REG_WRITE(self, LAN9000HAL_BANK, 2);
  71         LAN9000HAL_REG_WRITE(self, LAN9000HAL_B2_MMU_COMMAND, 0x0020);
  72
  73         return 0;
  74 }
  75
  76
  77
  78 /* endof file */