--- /dev/null
+/**
+@verbatim
+
+Copyright (C) 2004,2005 ADDI-DATA GmbH for the source code of this module.
+
+ ADDI-DATA GmbH
+ Dieselstrasse 3
+ D-77833 Ottersweier
+ Tel: +19(0)7223/9493-0
+ Fax: +49(0)7223/9493-92
+ http://www.addi-data-com
+ info@addi-data.com
+
+This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+You shoud also find the complete GPL in the COPYING file accompanying this source code.
+
+@endverbatim
+*/
+/*
+ +-----------------------------------------------------------------------+
+ | (C) ADDI-DATA GmbH Dieselstraße 3 D-77833 Ottersweier |
+ +-----------------------------------------------------------------------+
+ | Tel : +49 (0) 7223/9493-0 | email : info@addi-data.com |
+ | Fax : +49 (0) 7223/9493-92 | Internet : http://www.addi-data.com |
+ +-------------------------------+---------------------------------------+
+ | Project : ADDI HEADER READ WRITER | Compiler : Visual C++ |
+ | Module name : S5920.cpp | Version : 6.0 |
+ +-------------------------------+---------------------------------------+
+ | Author : E. LIBS Date : 02/05/2002 |
+ +-----------------------------------------------------------------------+
+ | Description : DLL with the S5920 PCI Controller functions |
+ +-----------------------------------------------------------------------+
+ | UPDATE'S |
+ +-----------------------------------------------------------------------+
+ | Date | Author | Description of updates |
+ +----------+-----------+------------------------------------------------+
+ | 28/08/02 | LIBS Eric | Add return codes each time a function of the |
+ | | | Addi Library is called |
+ +-----------------------------------------------------------------------+
+ | 31/07/03 | KRAUTH J. | Changes for the MSX-Box |
+ +-----------------------------------------------------------------------+
+*/
+
+#include "addi_amcc_S5920.h"
+
+/*+----------------------------------------------------------------------------+*/
+/*| Function Name : INT i_AddiHeaderRW_ReadEeprom |*/
+/*| (INT i_NbOfWordsToRead, |*/
+/*| DWORD dw_PCIBoardEepromAddress, |*/
+/*| WORD w_EepromStartAddress, |*/
+/*| PWORD pw_DataRead) |*/
+/*+----------------------------------------------------------------------------+*/
+/*| Task : Read word from the 5920 eeprom. |*/
+/*+----------------------------------------------------------------------------+*/
+/*| Input Parameters : INT i_NbOfWordsToRead : Nbr. of word to read |*/
+/*| DWORD dw_PCIBoardEepromAddress : Address of the eeprom |*/
+/*| WORD w_EepromStartAddress : Eeprom strat address |*/
+/*+----------------------------------------------------------------------------+*/
+/*| Output Parameters : PWORD pw_DataRead : Read data |*/
+/*+----------------------------------------------------------------------------+*/
+/*| Return Value : - |*/
+/*+----------------------------------------------------------------------------+*/
+
+INT i_AddiHeaderRW_ReadEeprom(INT i_NbOfWordsToRead,
+ DWORD dw_PCIBoardEepromAddress,
+ WORD w_EepromStartAddress, PWORD pw_DataRead)
+{
+ DWORD dw_eeprom_busy = 0;
+ INT i_Counter = 0;
+ INT i_WordCounter;
+ INT i;
+ BYTE pb_ReadByte[1];
+ BYTE b_ReadLowByte = 0;
+ BYTE b_ReadHighByte = 0;
+ BYTE b_SelectedAddressLow = 0;
+ BYTE b_SelectedAddressHigh = 0;
+ WORD w_ReadWord = 0;
+
+ for (i_WordCounter = 0; i_WordCounter < i_NbOfWordsToRead;
+ i_WordCounter++) {
+ do {
+ dw_eeprom_busy =
+ inl(dw_PCIBoardEepromAddress +
+ AMCC_OP_REG_MCSR);
+ dw_eeprom_busy = dw_eeprom_busy & EEPROM_BUSY;
+ }
+ while (dw_eeprom_busy == EEPROM_BUSY);
+
+ for (i_Counter = 0; i_Counter < 2; i_Counter++) {
+ b_SelectedAddressLow = (w_EepromStartAddress + i_Counter) % 256; //Read the low 8 bit part
+ b_SelectedAddressHigh = (w_EepromStartAddress + i_Counter) / 256; //Read the high 8 bit part
+
+ //Select the load low address mode
+ outb(NVCMD_LOAD_LOW,
+ dw_PCIBoardEepromAddress + AMCC_OP_REG_MCSR +
+ 3);
+
+ //Wait on busy
+ do {
+ dw_eeprom_busy =
+ inl(dw_PCIBoardEepromAddress +
+ AMCC_OP_REG_MCSR);
+ dw_eeprom_busy = dw_eeprom_busy & EEPROM_BUSY;
+ }
+ while (dw_eeprom_busy == EEPROM_BUSY);
+
+ //Load the low address
+ outb(b_SelectedAddressLow,
+ dw_PCIBoardEepromAddress + AMCC_OP_REG_MCSR +
+ 2);
+
+ //Wait on busy
+ do {
+ dw_eeprom_busy =
+ inl(dw_PCIBoardEepromAddress +
+ AMCC_OP_REG_MCSR);
+ dw_eeprom_busy = dw_eeprom_busy & EEPROM_BUSY;
+ }
+ while (dw_eeprom_busy == EEPROM_BUSY);
+
+ //Select the load high address mode
+ outb(NVCMD_LOAD_HIGH,
+ dw_PCIBoardEepromAddress + AMCC_OP_REG_MCSR +
+ 3);
+
+ //Wait on busy
+ do {
+ dw_eeprom_busy =
+ inl(dw_PCIBoardEepromAddress +
+ AMCC_OP_REG_MCSR);
+ dw_eeprom_busy = dw_eeprom_busy & EEPROM_BUSY;
+ }
+ while (dw_eeprom_busy == EEPROM_BUSY);
+
+ //Load the high address
+ outb(b_SelectedAddressHigh,
+ dw_PCIBoardEepromAddress + AMCC_OP_REG_MCSR +
+ 2);
+
+ //Wait on busy
+ do {
+ dw_eeprom_busy =
+ inl(dw_PCIBoardEepromAddress +
+ AMCC_OP_REG_MCSR);
+ dw_eeprom_busy = dw_eeprom_busy & EEPROM_BUSY;
+ }
+ while (dw_eeprom_busy == EEPROM_BUSY);
+
+ //Select the READ mode
+ outb(NVCMD_BEGIN_READ,
+ dw_PCIBoardEepromAddress + AMCC_OP_REG_MCSR +
+ 3);
+
+ //Wait on busy
+ do {
+ dw_eeprom_busy =
+ inl(dw_PCIBoardEepromAddress +
+ AMCC_OP_REG_MCSR);
+ dw_eeprom_busy = dw_eeprom_busy & EEPROM_BUSY;
+ }
+ while (dw_eeprom_busy == EEPROM_BUSY);
+
+ //Read data into the EEPROM
+ *pb_ReadByte =
+ inb(dw_PCIBoardEepromAddress +
+ AMCC_OP_REG_MCSR + 2);
+
+ //Wait on busy
+ do {
+ dw_eeprom_busy =
+ inl(dw_PCIBoardEepromAddress +
+ AMCC_OP_REG_MCSR);
+ dw_eeprom_busy = dw_eeprom_busy & EEPROM_BUSY;
+ }
+ while (dw_eeprom_busy == EEPROM_BUSY);
+
+ //Select the upper address part
+ if (i_Counter == 0) {
+ b_ReadLowByte = pb_ReadByte[0];
+ } else {
+ b_ReadHighByte = pb_ReadByte[0];
+ }
+
+ //Sleep
+ for (i = 0; i < 10000; i++) ;
+
+ }
+ w_ReadWord =
+ (b_ReadLowByte | (((unsigned short)b_ReadHighByte) *
+ 256));
+
+ pw_DataRead[i_WordCounter] = w_ReadWord;
+
+ w_EepromStartAddress += 2; // to read the next word
+
+ } // for (...) i_NbOfWordsToRead
+ return (0);
+}
projects / linux-2.6-omap-h63xx.git / blobdiff