diff options
Diffstat (limited to 'drivers/staging/rt3090/common/eeprom.c')
-rw-r--r-- | drivers/staging/rt3090/common/eeprom.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/drivers/staging/rt3090/common/eeprom.c b/drivers/staging/rt3090/common/eeprom.c new file mode 100644 index 000000000000..2e837499e5e4 --- /dev/null +++ b/drivers/staging/rt3090/common/eeprom.c @@ -0,0 +1,98 @@ +/* + ************************************************************************* + * 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( + IN RTMP_ADAPTER *pAd, + IN INT infType) +{ + RTMP_CHIP_OP *pChipOps = &pAd->chipOps; +#ifdef RT30xx +#ifdef RTMP_EFUSE_SUPPORT + UINT32 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; + pChipOps->eewrite = rtmp_ee_efuse_write16; + return 0 ; + } + else + { + pAd->bFroceEEPROMBuffer = FALSE; + 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; + pChipOps->eewrite = rtmp_ee_prom_write16; + break; +#endif // RTMP_PCI_SUPPORT // + + + default: + DBGPRINT(RT_DEBUG_ERROR, ("RtmpChipOpsEepromHook() failed!\n")); + break; + } + + return 0; +} |