/* ************************************************************************* * Ralink Tech Inc. * 5F., No.36, Taiyuan St., Jhubei City, * Hsinchu County 302, * Taiwan, R.O.C. * * (c) Copyright 2002-2007, Ralink Technology, Inc. * * 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. * * * ************************************************************************* Module Name: eeprom.c Abstract: Revision History: Who When What -------- ---------- ---------------------------------------------- Name Date Modification logs */ #include "../rt_config.h" int RtmpChipOpsEepromHook(struct rt_rtmp_adapter *pAd, int infType) { struct rt_rtmp_chip_op *pChipOps = &pAd->chipOps; #ifdef RT30xx #ifdef RTMP_EFUSE_SUPPORT u32 eFuseCtrl, MacCsr0; int index; index = 0; do { RTMP_IO_READ32(pAd, MAC_CSR0, &MacCsr0); pAd->MACVersion = MacCsr0; if ((pAd->MACVersion != 0x00) && (pAd->MACVersion != 0xFFFFFFFF)) break; RTMPusecDelay(10); } while (index++ < 100); pAd->bUseEfuse = FALSE; RTMP_IO_READ32(pAd, EFUSE_CTRL, &eFuseCtrl); pAd->bUseEfuse = ((eFuseCtrl & 0x80000000) == 0x80000000) ? 1 : 0; if (pAd->bUseEfuse) { pChipOps->eeinit = eFuse_init; pChipOps->eeread = rtmp_ee_efuse_read16; return 0; } else DBGPRINT(RT_DEBUG_TRACE, ("NVM is EEPROM\n")); #endif /* RTMP_EFUSE_SUPPORT // */ #endif /* RT30xx // */ switch (infType) { #ifdef RTMP_PCI_SUPPORT case RTMP_DEV_INF_PCI: pChipOps->eeinit = NULL; pChipOps->eeread = rtmp_ee_prom_read16; break; #endif /* RTMP_PCI_SUPPORT // */ #ifdef RTMP_USB_SUPPORT case RTMP_DEV_INF_USB: pChipOps->eeinit = NULL; pChipOps->eeread = RTUSBReadEEPROM16; break; #endif /* RTMP_USB_SUPPORT // */ default: DBGPRINT(RT_DEBUG_ERROR, ("RtmpChipOpsEepromHook() failed!\n")); break; } return 0; }