2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 * Purpose:Implement functions to access eeprom
28 * SROMbyReadEmbedded - Embedded read eeprom via MAC
29 * SROMbWriteEmbedded - Embedded write eeprom via MAC
30 * SROMvRegBitsOn - Set Bits On in eeprom
31 * SROMvRegBitsOff - Clear Bits Off in eeprom
32 * SROMbIsRegBitsOn - Test if Bits On in eeprom
33 * SROMbIsRegBitsOff - Test if Bits Off in eeprom
34 * SROMvReadAllContents - Read all contents in eeprom
35 * SROMvWriteAllContents - Write all contents in eeprom
36 * SROMvReadEtherAddress - Read Ethernet Address in eeprom
37 * SROMvWriteEtherAddress - Write Ethernet Address in eeprom
38 * SROMvReadSubSysVenId - Read Sub_VID and Sub_SysId in eeprom
39 * SROMbAutoLoad - Auto Load eeprom to MAC register
46 #if !defined(__UPC_H__)
49 #if !defined(__TMACRO_H__)
52 #if !defined(__TBIT_H__)
55 #if !defined(__TETHER_H__)
58 #if !defined(__MAC_H__)
61 #if !defined(__SROM_H__)
68 /*--------------------- Static Definitions -------------------------*/
70 /*--------------------- Static Classes ----------------------------*/
72 /*--------------------- Static Variables --------------------------*/
74 /*--------------------- Static Functions --------------------------*/
76 /*--------------------- Export Variables --------------------------*/
78 /*--------------------- Export Functions --------------------------*/
84 * Description: Read a byte from EEPROM, by MAC I2C
88 * dwIoBase - I/O base address
89 * byContntOffset - address of EEPROM
93 * Return Value: data read
96 BYTE SROMbyReadEmbedded(DWORD_PTR dwIoBase, BYTE byContntOffset)
104 VNSvInPortB(dwIoBase + MAC_REG_I2MCFG, &byOrg);
105 // turn off hardware retry for getting NACK
106 VNSvOutPortB(dwIoBase + MAC_REG_I2MCFG, (byOrg & (~I2MCFG_NORETRY)));
107 for (wNoACK = 0; wNoACK < W_MAX_I2CRETRY; wNoACK++) {
108 VNSvOutPortB(dwIoBase + MAC_REG_I2MTGID, EEP_I2C_DEV_ID);
109 VNSvOutPortB(dwIoBase + MAC_REG_I2MTGAD, byContntOffset);
111 // issue read command
112 VNSvOutPortB(dwIoBase + MAC_REG_I2MCSR, I2MCSR_EEMR);
114 for (wDelay = 0; wDelay < W_MAX_TIMEOUT; wDelay++) {
115 VNSvInPortB(dwIoBase + MAC_REG_I2MCSR, &byWait);
116 if (BITbIsAnyBitsOn(byWait, (I2MCSR_DONE | I2MCSR_NACK)))
118 PCAvDelayByIO(CB_DELAY_LOOP_WAIT);
120 if ((wDelay < W_MAX_TIMEOUT) &&
121 (BITbIsBitOff(byWait, I2MCSR_NACK))) {
125 VNSvInPortB(dwIoBase + MAC_REG_I2MDIPT, &byData);
126 VNSvOutPortB(dwIoBase + MAC_REG_I2MCFG, byOrg);
132 * Description: Write a byte to EEPROM, by MAC I2C
136 * dwIoBase - I/O base address
137 * byContntOffset - address of EEPROM
138 * wData - data to write
142 * Return Value: TRUE if succeeded; FALSE if failed.
145 BOOL SROMbWriteEmbedded (DWORD_PTR dwIoBase, BYTE byContntOffset, BYTE byData)
152 VNSvInPortB(dwIoBase + MAC_REG_I2MCFG, &byOrg);
153 // turn off hardware retry for getting NACK
154 VNSvOutPortB(dwIoBase + MAC_REG_I2MCFG, (byOrg & (~I2MCFG_NORETRY)));
155 for (wNoACK = 0; wNoACK < W_MAX_I2CRETRY; wNoACK++) {
156 VNSvOutPortB(dwIoBase + MAC_REG_I2MTGID, EEP_I2C_DEV_ID);
157 VNSvOutPortB(dwIoBase + MAC_REG_I2MTGAD, byContntOffset);
158 VNSvOutPortB(dwIoBase + MAC_REG_I2MDOPT, byData);
160 // issue write command
161 VNSvOutPortB(dwIoBase + MAC_REG_I2MCSR, I2MCSR_EEMW);
163 for (wDelay = 0; wDelay < W_MAX_TIMEOUT; wDelay++) {
164 VNSvInPortB(dwIoBase + MAC_REG_I2MCSR, &byWait);
165 if (BITbIsAnyBitsOn(byWait, (I2MCSR_DONE | I2MCSR_NACK)))
167 PCAvDelayByIO(CB_DELAY_LOOP_WAIT);
170 if ((wDelay < W_MAX_TIMEOUT) &&
171 (BITbIsBitOff(byWait, I2MCSR_NACK))) {
175 if (wNoACK == W_MAX_I2CRETRY) {
176 VNSvOutPortB(dwIoBase + MAC_REG_I2MCFG, byOrg);
179 VNSvOutPortB(dwIoBase + MAC_REG_I2MCFG, byOrg);
185 * Description: Turn bits on in eeprom
189 * dwIoBase - I/O base address
190 * byContntOffset - address of EEPROM
191 * byBits - bits to turn on
198 void SROMvRegBitsOn (DWORD_PTR dwIoBase, BYTE byContntOffset, BYTE byBits)
202 byOrgData = SROMbyReadEmbedded(dwIoBase, byContntOffset);
203 SROMbWriteEmbedded(dwIoBase, byContntOffset,(BYTE)(byOrgData | byBits));
208 * Description: Turn bits off in eeprom
212 * dwIoBase - I/O base address
213 * byContntOffset - address of EEPROM
214 * byBits - bits to turn off
219 void SROMvRegBitsOff (DWORD_PTR dwIoBase, BYTE byContntOffset, BYTE byBits)
223 byOrgData = SROMbyReadEmbedded(dwIoBase, byContntOffset);
224 SROMbWriteEmbedded(dwIoBase, byContntOffset,(BYTE)(byOrgData & (~byBits)));
229 * Description: Test if bits on in eeprom
233 * dwIoBase - I/O base address
234 * byContntOffset - address of EEPROM
235 * byTestBits - bits to test
239 * Return Value: TRUE if all test bits on; otherwise FALSE
242 BOOL SROMbIsRegBitsOn (DWORD_PTR dwIoBase, BYTE byContntOffset, BYTE byTestBits)
246 byOrgData = SROMbyReadEmbedded(dwIoBase, byContntOffset);
247 return BITbIsAllBitsOn(byOrgData, byTestBits);
252 * Description: Test if bits off in eeprom
256 * dwIoBase - I/O base address
257 * byContntOffset - address of EEPROM
258 * byTestBits - bits to test
262 * Return Value: TRUE if all test bits off; otherwise FALSE
265 BOOL SROMbIsRegBitsOff (DWORD_PTR dwIoBase, BYTE byContntOffset, BYTE byTestBits)
269 byOrgData = SROMbyReadEmbedded(dwIoBase, byContntOffset);
270 return BITbIsAllBitsOff(byOrgData, byTestBits);
275 * Description: Read all contents of eeprom to buffer
279 * dwIoBase - I/O base address
281 * pbyEepromRegs - EEPROM content Buffer
286 void SROMvReadAllContents (DWORD_PTR dwIoBase, PBYTE pbyEepromRegs)
291 for (ii = 0; ii < EEP_MAX_CONTEXT_SIZE; ii++) {
292 *pbyEepromRegs = SROMbyReadEmbedded(dwIoBase,(BYTE) ii);
299 * Description: Write all contents of buffer to eeprom
303 * dwIoBase - I/O base address
304 * pbyEepromRegs - EEPROM content Buffer
311 void SROMvWriteAllContents (DWORD_PTR dwIoBase, PBYTE pbyEepromRegs)
316 for (ii = 0; ii < EEP_MAX_CONTEXT_SIZE; ii++) {
317 SROMbWriteEmbedded(dwIoBase,(BYTE) ii, *pbyEepromRegs);
324 * Description: Read Ethernet Address from eeprom to buffer
328 * dwIoBase - I/O base address
330 * pbyEtherAddress - Ethernet Address buffer
335 void SROMvReadEtherAddress (DWORD_PTR dwIoBase, PBYTE pbyEtherAddress)
340 for (ii = 0; ii < U_ETHER_ADDR_LEN; ii++) {
341 *pbyEtherAddress = SROMbyReadEmbedded(dwIoBase, ii);
348 * Description: Write Ethernet Address from buffer to eeprom
352 * dwIoBase - I/O base address
353 * pbyEtherAddress - Ethernet Address buffer
360 void SROMvWriteEtherAddress (DWORD_PTR dwIoBase, PBYTE pbyEtherAddress)
365 for (ii = 0; ii < U_ETHER_ADDR_LEN; ii++) {
366 SROMbWriteEmbedded(dwIoBase, ii, *pbyEtherAddress);
373 * Description: Read Sub_VID and Sub_SysId from eeprom to buffer
377 * dwIoBase - I/O base address
379 * pdwSubSysVenId - Sub_VID and Sub_SysId read
384 void SROMvReadSubSysVenId (DWORD_PTR dwIoBase, PDWORD pdwSubSysVenId)
388 pbyData = (PBYTE)pdwSubSysVenId;
390 *pbyData = SROMbyReadEmbedded(dwIoBase, 6);
391 *(pbyData+1) = SROMbyReadEmbedded(dwIoBase, 7);
393 *(pbyData+2) = SROMbyReadEmbedded(dwIoBase, 8);
394 *(pbyData+3) = SROMbyReadEmbedded(dwIoBase, 9);
398 * Description: Auto Load EEPROM to MAC register
402 * dwIoBase - I/O base address
406 * Return Value: TRUE if success; otherwise FALSE
409 BOOL SROMbAutoLoad (DWORD_PTR dwIoBase)
416 VNSvInPortB(dwIoBase + MAC_REG_I2MCFG, &byOrg);
417 // turn on hardware retry
418 VNSvOutPortB(dwIoBase + MAC_REG_I2MCFG, (byOrg | I2MCFG_NORETRY));
420 MACvRegBitsOn(dwIoBase, MAC_REG_I2MCSR, I2MCSR_AUTOLD);
423 for (ii = 0; ii < EEP_MAX_CONTEXT_SIZE; ii++) {
424 MACvTimer0MicroSDelay(dwIoBase, CB_EEPROM_READBYTE_WAIT);
425 VNSvInPortB(dwIoBase + MAC_REG_I2MCSR, &byWait);
426 if (BITbIsBitOff(byWait, I2MCSR_AUTOLD))
430 VNSvOutPortB(dwIoBase + MAC_REG_I2MCFG, byOrg);
432 if (ii == EEP_MAX_CONTEXT_SIZE)