aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/staging/rt2860/common/ee_efuse.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/rt2860/common/ee_efuse.c')
-rw-r--r--drivers/staging/rt2860/common/ee_efuse.c351
1 files changed, 0 insertions, 351 deletions
diff --git a/drivers/staging/rt2860/common/ee_efuse.c b/drivers/staging/rt2860/common/ee_efuse.c
deleted file mode 100644
index fed0ba452271..000000000000
--- a/drivers/staging/rt2860/common/ee_efuse.c
+++ /dev/null
@@ -1,351 +0,0 @@
-/*
- *************************************************************************
- * 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:
- ee_efuse.c
-
- Abstract:
- Miniport generic portion header file
-
- Revision History:
- Who When What
- -------- ---------- ----------------------------------------------
-*/
-
-#include "../rt_config.h"
-
-#define EFUSE_USAGE_MAP_START 0x2d0
-#define EFUSE_USAGE_MAP_END 0x2fc
-#define EFUSE_USAGE_MAP_SIZE 45
-
-#define EFUSE_EEPROM_DEFULT_FILE "RT30xxEEPROM.bin"
-#define MAX_EEPROM_BIN_FILE_SIZE 1024
-
-#define EFUSE_TAG 0x2fe
-
-typedef union _EFUSE_CTRL_STRUC {
- struct {
- u32 EFSROM_AOUT:6;
- u32 EFSROM_MODE:2;
- u32 EFSROM_LDO_OFF_TIME:6;
- u32 EFSROM_LDO_ON_TIME:2;
- u32 EFSROM_AIN:10;
- u32 RESERVED:4;
- u32 EFSROM_KICK:1;
- u32 SEL_EFUSE:1;
- } field;
- u32 word;
-} EFUSE_CTRL_STRUC, *PEFUSE_CTRL_STRUC;
-
-/*
-========================================================================
-
- Routine Description:
-
- Arguments:
-
- Return Value:
-
- Note:
-
-========================================================================
-*/
-u8 eFuseReadRegisters(struct rt_rtmp_adapter *pAd,
- u16 Offset, u16 Length, u16 * pData)
-{
- EFUSE_CTRL_STRUC eFuseCtrlStruc;
- int i;
- u16 efuseDataOffset;
- u32 data;
-
- RTMP_IO_READ32(pAd, EFUSE_CTRL, &eFuseCtrlStruc.word);
-
- /*Step0. Write 10-bit of address to EFSROM_AIN (0x580, bit25:bit16). The address must be 16-byte alignment. */
- /*Use the eeprom logical address and covert to address to block number */
- eFuseCtrlStruc.field.EFSROM_AIN = Offset & 0xfff0;
-
- /*Step1. Write EFSROM_MODE (0x580, bit7:bit6) to 0. */
- eFuseCtrlStruc.field.EFSROM_MODE = 0;
-
- /*Step2. Write EFSROM_KICK (0x580, bit30) to 1 to kick-off physical read procedure. */
- eFuseCtrlStruc.field.EFSROM_KICK = 1;
-
- NdisMoveMemory(&data, &eFuseCtrlStruc, 4);
- RTMP_IO_WRITE32(pAd, EFUSE_CTRL, data);
-
- /*Step3. Polling EFSROM_KICK(0x580, bit30) until it become 0 again. */
- i = 0;
- while (i < 500) {
- /*rtmp.HwMemoryReadDword(EFUSE_CTRL, (DWORD *) &eFuseCtrlStruc, 4); */
- RTMP_IO_READ32(pAd, EFUSE_CTRL, &eFuseCtrlStruc.word);
- if (eFuseCtrlStruc.field.EFSROM_KICK == 0) {
- break;
- }
- RTMPusecDelay(2);
- i++;
- }
-
- /*if EFSROM_AOUT is not found in physical address, write 0xffff */
- if (eFuseCtrlStruc.field.EFSROM_AOUT == 0x3f) {
- for (i = 0; i < Length / 2; i++)
- *(pData + 2 * i) = 0xffff;
- } else {
- /*Step4. Read 16-byte of data from EFUSE_DATA0-3 (0x590-0x59C) */
- efuseDataOffset = EFUSE_DATA3 - (Offset & 0xC);
- /*data hold 4 bytes data. */
- /*In RTMP_IO_READ32 will automatically execute 32-bytes swapping */
- RTMP_IO_READ32(pAd, efuseDataOffset, &data);
- /*Decide the upper 2 bytes or the bottom 2 bytes. */
- /* Little-endian S | S Big-endian */
- /* addr 3 2 1 0 | 0 1 2 3 */
- /* Ori-V D C B A | A B C D */
- /*After swapping */
- /* D C B A | D C B A */
- /*Return 2-bytes */
- /*The return byte statrs from S. Therefore, the little-endian will return BA, the Big-endian will return DC. */
- /*For returning the bottom 2 bytes, the Big-endian should shift right 2-bytes. */
- data = data >> (8 * (Offset & 0x3));
-
- NdisMoveMemory(pData, &data, Length);
- }
-
- return (u8)eFuseCtrlStruc.field.EFSROM_AOUT;
-
-}
-
-/*
-========================================================================
-
- Routine Description:
-
- Arguments:
-
- Return Value:
-
- Note:
-
-========================================================================
-*/
-void eFusePhysicalReadRegisters(struct rt_rtmp_adapter *pAd,
- u16 Offset,
- u16 Length, u16 * pData)
-{
- EFUSE_CTRL_STRUC eFuseCtrlStruc;
- int i;
- u16 efuseDataOffset;
- u32 data;
-
- RTMP_IO_READ32(pAd, EFUSE_CTRL, &eFuseCtrlStruc.word);
-
- /*Step0. Write 10-bit of address to EFSROM_AIN (0x580, bit25:bit16). The address must be 16-byte alignment. */
- eFuseCtrlStruc.field.EFSROM_AIN = Offset & 0xfff0;
-
- /*Step1. Write EFSROM_MODE (0x580, bit7:bit6) to 1. */
- /*Read in physical view */
- eFuseCtrlStruc.field.EFSROM_MODE = 1;
-
- /*Step2. Write EFSROM_KICK (0x580, bit30) to 1 to kick-off physical read procedure. */
- eFuseCtrlStruc.field.EFSROM_KICK = 1;
-
- NdisMoveMemory(&data, &eFuseCtrlStruc, 4);
- RTMP_IO_WRITE32(pAd, EFUSE_CTRL, data);
-
- /*Step3. Polling EFSROM_KICK(0x580, bit30) until it become 0 again. */
- i = 0;
- while (i < 500) {
- RTMP_IO_READ32(pAd, EFUSE_CTRL, &eFuseCtrlStruc.word);
- if (eFuseCtrlStruc.field.EFSROM_KICK == 0)
- break;
- RTMPusecDelay(2);
- i++;
- }
-
- /*Step4. Read 16-byte of data from EFUSE_DATA0-3 (0x59C-0x590) */
- /*Because the size of each EFUSE_DATA is 4 Bytes, the size of address of each is 2 bits. */
- /*The previous 2 bits is the EFUSE_DATA number, the last 2 bits is used to decide which bytes */
- /*Decide which EFUSE_DATA to read */
- /*590:F E D C */
- /*594:B A 9 8 */
- /*598:7 6 5 4 */
- /*59C:3 2 1 0 */
- efuseDataOffset = EFUSE_DATA3 - (Offset & 0xC);
-
- RTMP_IO_READ32(pAd, efuseDataOffset, &data);
-
- data = data >> (8 * (Offset & 0x3));
-
- NdisMoveMemory(pData, &data, Length);
-
-}
-
-/*
-========================================================================
-
- Routine Description:
-
- Arguments:
-
- Return Value:
-
- Note:
-
-========================================================================
-*/
-static void eFuseReadPhysical(struct rt_rtmp_adapter *pAd,
- u16 *lpInBuffer,
- unsigned long nInBufferSize,
- u16 *lpOutBuffer, unsigned long nOutBufferSize)
-{
- u16 *pInBuf = (u16 *) lpInBuffer;
- u16 *pOutBuf = (u16 *) lpOutBuffer;
-
- u16 Offset = pInBuf[0]; /*addr */
- u16 Length = pInBuf[1]; /*length */
- int i;
-
- for (i = 0; i < Length; i += 2) {
- eFusePhysicalReadRegisters(pAd, Offset + i, 2, &pOutBuf[i / 2]);
- }
-}
-
-/*
-========================================================================
-
- Routine Description:
-
- Arguments:
-
- Return Value:
-
- Note:
-
-========================================================================
-*/
-int set_eFuseGetFreeBlockCount_Proc(struct rt_rtmp_adapter *pAd, char *arg)
-{
- u16 i;
- u16 LogicalAddress;
- u16 efusefreenum = 0;
- if (!pAd->bUseEfuse)
- return FALSE;
- for (i = EFUSE_USAGE_MAP_START; i <= EFUSE_USAGE_MAP_END; i += 2) {
- eFusePhysicalReadRegisters(pAd, i, 2, &LogicalAddress);
- if ((LogicalAddress & 0xff) == 0) {
- efusefreenum = (u8)(EFUSE_USAGE_MAP_END - i + 1);
- break;
- } else if (((LogicalAddress >> 8) & 0xff) == 0) {
- efusefreenum = (u8)(EFUSE_USAGE_MAP_END - i);
- break;
- }
-
- if (i == EFUSE_USAGE_MAP_END)
- efusefreenum = 0;
- }
- printk(KERN_DEBUG "efuseFreeNumber is %d\n", efusefreenum);
- return TRUE;
-}
-
-int set_eFusedump_Proc(struct rt_rtmp_adapter *pAd, char *arg)
-{
- u16 InBuf[3];
- int i = 0;
- if (!pAd->bUseEfuse)
- return FALSE;
-
- printk(KERN_DEBUG "Block 0: ");
-
- for (i = 0; i < EFUSE_USAGE_MAP_END / 2; i++) {
- InBuf[0] = 2 * i;
- InBuf[1] = 2;
- InBuf[2] = 0x0;
-
- eFuseReadPhysical(pAd, &InBuf[0], 4, &InBuf[2], 2);
- if (i && i % 4 == 0) {
- printk(KERN_CONT "\n");
- printk(KERN_DEBUG "Block %x:", i / 8);
- }
- printk(KERN_CONT "%04x ", InBuf[2]);
- }
- printk(KERN_CONT "\n");
-
- return TRUE;
-}
-
-int rtmp_ee_efuse_read16(struct rt_rtmp_adapter *pAd,
- u16 Offset, u16 * pValue)
-{
- eFuseReadRegisters(pAd, Offset, 2, pValue);
- return (*pValue);
-}
-
-int RtmpEfuseSupportCheck(struct rt_rtmp_adapter *pAd)
-{
- u16 value;
-
- if (IS_RT30xx(pAd)) {
- eFusePhysicalReadRegisters(pAd, EFUSE_TAG, 2, &value);
- pAd->EFuseTag = (value & 0xff);
- }
- return 0;
-}
-
-void eFuseGetFreeBlockCount(struct rt_rtmp_adapter *pAd, u32 *EfuseFreeBlock)
-{
- u16 i;
- u16 LogicalAddress;
- if (!pAd->bUseEfuse) {
- DBGPRINT(RT_DEBUG_TRACE,
- ("eFuseGetFreeBlockCount Only supports efuse Mode\n"));
- return;
- }
- for (i = EFUSE_USAGE_MAP_START; i <= EFUSE_USAGE_MAP_END; i += 2) {
- eFusePhysicalReadRegisters(pAd, i, 2, &LogicalAddress);
- if ((LogicalAddress & 0xff) == 0) {
- *EfuseFreeBlock = (u8)(EFUSE_USAGE_MAP_END - i + 1);
- break;
- } else if (((LogicalAddress >> 8) & 0xff) == 0) {
- *EfuseFreeBlock = (u8)(EFUSE_USAGE_MAP_END - i);
- break;
- }
-
- if (i == EFUSE_USAGE_MAP_END)
- *EfuseFreeBlock = 0;
- }
- DBGPRINT(RT_DEBUG_TRACE,
- ("eFuseGetFreeBlockCount is 0x%x\n", *EfuseFreeBlock));
-}
-
-int eFuse_init(struct rt_rtmp_adapter *pAd)
-{
- u32 EfuseFreeBlock = 0;
- DBGPRINT(RT_DEBUG_ERROR,
- ("NVM is Efuse and its size =%x[%x-%x] \n",
- EFUSE_USAGE_MAP_SIZE, EFUSE_USAGE_MAP_START,
- EFUSE_USAGE_MAP_END));
- eFuseGetFreeBlockCount(pAd, &EfuseFreeBlock);
-
- return 0;
-}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.