1 /*
2 *************************************************************************
3 * Ralink Tech Inc.
4 * 5F., No.36, Taiyuan St., Jhubei City,
5 * Hsinchu County 302,
6 * Taiwan, R.O.C.
7 *
8 * (c) Copyright 2002-2007, Ralink Technology, Inc.
9 *
10 * This program is free software; you can redistribute it and/or modify *
11 * it under the terms of the GNU General Public License as published by *
12 * the Free Software Foundation; either version 2 of the License, or *
13 * (at your option) any later version. *
14 * *
15 * This program is distributed in the hope that it will be useful, *
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
18 * GNU General Public License for more details. *
19 * *
20 * You should have received a copy of the GNU General Public License *
21 * along with this program; if not, write to the *
22 * Free Software Foundation, Inc., *
23 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
24 * *
25 *************************************************************************
26
27 Module Name:
28 eeprom.c
29
30 Abstract:
31
32 Revision History:
33 Who When What
34 -------- ---------- ----------------------------------------------
35 Name Date Modification logs
36 */
37 #include "../rt_config.h"
38
RtmpChipOpsEepromHook(struct rt_rtmp_adapter * pAd,int infType)39 int RtmpChipOpsEepromHook(struct rt_rtmp_adapter *pAd, int infType)
40 {
41 struct rt_rtmp_chip_op *pChipOps = &pAd->chipOps;
42 #ifdef RT30xx
43 #ifdef RTMP_EFUSE_SUPPORT
44 u32 eFuseCtrl, MacCsr0;
45 int index;
46
47 index = 0;
48 do {
49 RTMP_IO_READ32(pAd, MAC_CSR0, &MacCsr0);
50 pAd->MACVersion = MacCsr0;
51
52 if ((pAd->MACVersion != 0x00)
53 && (pAd->MACVersion != 0xFFFFFFFF))
54 break;
55
56 RTMPusecDelay(10);
57 } while (index++ < 100);
58
59 pAd->bUseEfuse = FALSE;
60 RTMP_IO_READ32(pAd, EFUSE_CTRL, &eFuseCtrl);
61 pAd->bUseEfuse = ((eFuseCtrl & 0x80000000) == 0x80000000) ? 1 : 0;
62 if (pAd->bUseEfuse) {
63 pChipOps->eeinit = eFuse_init;
64 pChipOps->eeread = rtmp_ee_efuse_read16;
65 return 0;
66 } else
67 DBGPRINT(RT_DEBUG_TRACE, ("NVM is EEPROM\n"));
68 #endif /* RTMP_EFUSE_SUPPORT // */
69 #endif /* RT30xx // */
70
71 switch (infType) {
72 #ifdef RTMP_PCI_SUPPORT
73 case RTMP_DEV_INF_PCI:
74 pChipOps->eeinit = NULL;
75 pChipOps->eeread = rtmp_ee_prom_read16;
76 break;
77 #endif /* RTMP_PCI_SUPPORT // */
78 #ifdef RTMP_USB_SUPPORT
79 case RTMP_DEV_INF_USB:
80 pChipOps->eeinit = NULL;
81 pChipOps->eeread = RTUSBReadEEPROM16;
82 break;
83 #endif /* RTMP_USB_SUPPORT // */
84
85 default:
86 DBGPRINT(RT_DEBUG_ERROR, ("RtmpChipOpsEepromHook() failed!\n"));
87 break;
88 }
89
90 return 0;
91 }
92