| /******************************************************************************* |
| Copyright (C) Marvell International Ltd. and its affiliates |
| |
| This software file (the "File") is owned and distributed by Marvell |
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| ******************************************************************************** |
| Marvell Commercial License Option |
| |
| If you received this File from Marvell and you have entered into a commercial |
| license agreement (a "Commercial License") with Marvell, the File is licensed |
| to you under the terms of the applicable Commercial License. |
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| ******************************************************************************** |
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| |
| If you received this File from Marvell, you may opt to use, redistribute and/or |
| modify this File in accordance with the terms and conditions of the General |
| Public License Version 2, June 1991 (the "GPL License"), a copy of which is |
| available along with the File in the license.txt file or by writing to the Free |
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| are permitted provided that the following conditions are met: |
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| * Redistributions of source code must retain the above copyright notice, |
| this list of conditions and the following disclaimer. |
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| * Redistributions in binary form must reproduce the above copyright |
| notice, this list of conditions and the following disclaimer in the |
| documentation and/or other materials provided with the distribution. |
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| * Neither the name of Marvell nor the names of its contributors may be |
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| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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| |
| *******************************************************************************/ |
| |
| |
| #include "ctrlEnv/sys/mvSysGbe.h" |
| |
| |
| |
| typedef struct _mvEthDecWin |
| { |
| MV_TARGET target; |
| MV_ADDR_WIN addrWin; /* An address window*/ |
| MV_BOOL enable; /* Address decode window is enabled/disabled */ |
| |
| }MV_ETH_DEC_WIN; |
| |
| MV_TARGET ethAddrDecPrioTap[] = |
| { |
| #if defined(MV_INCLUDE_SDRAM_CS0) |
| SDRAM_CS0, |
| #endif |
| #if defined(MV_INCLUDE_SDRAM_CS1) |
| SDRAM_CS1, |
| #endif |
| #if defined(MV_INCLUDE_SDRAM_CS2) |
| SDRAM_CS2, |
| #endif |
| #if defined(MV_INCLUDE_SDRAM_CS3) |
| SDRAM_CS3, |
| #endif |
| #if defined(MV_INCLUDE_DEVICE_CS0) |
| DEVICE_CS0, |
| #endif |
| #if defined(MV_INCLUDE_DEVICE_CS1) |
| DEVICE_CS1, |
| #endif |
| #if defined(MV_INCLUDE_DEVICE_CS2) |
| DEVICE_CS2, |
| #endif |
| #if defined(MV_INCLUDE_DEVICE_CS3) |
| DEVICE_CS3, |
| #endif |
| #if defined(MV_INCLUDE_PEX) |
| PEX0_IO, |
| #endif |
| TBL_TERM |
| }; |
| |
| static MV_STATUS ethWinOverlapDetect(int port, MV_U32 winNum, MV_ADDR_WIN *pAddrWin); |
| static MV_STATUS mvEthWinSet(int port, MV_U32 winNum, MV_ETH_DEC_WIN *pAddrDecWin); |
| static MV_STATUS mvEthWinGet(int port, MV_U32 winNum, MV_ETH_DEC_WIN *pAddrDecWin); |
| |
| |
| /******************************************************************************* |
| * mvEthWinInit - Initialize ETH address decode windows |
| * |
| * DESCRIPTION: |
| * This function initialize ETH window decode unit. It set the |
| * default address decode windows of the unit. |
| * |
| * INPUT: |
| * None. |
| * |
| * OUTPUT: |
| * None. |
| * |
| * RETURN: |
| * MV_ERROR if setting fail. |
| *******************************************************************************/ |
| /* Configure EthDrv memory map registes. */ |
| MV_STATUS mvEthWinInit (int port) |
| { |
| MV_U32 winNum, status, winPrioIndex=0, i, regVal=0; |
| MV_ETH_DEC_WIN ethWin; |
| MV_CPU_DEC_WIN cpuAddrDecWin; |
| static MV_U32 accessProtReg = 0; |
| |
| #if (MV_ETH_VERSION <= 1) |
| static MV_BOOL isFirst = MV_TRUE; |
| |
| if(isFirst == MV_FALSE) |
| { |
| MV_REG_WRITE(ETH_ACCESS_PROTECT_REG(port), accessProtReg); |
| return MV_OK; |
| } |
| isFirst = MV_FALSE; |
| #endif /* MV_GIGA_ETH_VERSION */ |
| |
| /* Initiate Ethernet address decode */ |
| |
| /* First disable all address decode windows */ |
| for(winNum=0; winNum<ETH_MAX_DECODE_WIN; winNum++) |
| { |
| regVal |= MV_BIT_MASK(winNum); |
| } |
| MV_REG_WRITE(ETH_BASE_ADDR_ENABLE_REG(port), regVal); |
| |
| /* Go through all windows in user table until table terminator */ |
| for (winNum=0; ((ethAddrDecPrioTap[winPrioIndex] != TBL_TERM) && |
| (winNum < ETH_MAX_DECODE_WIN)); ) |
| { |
| /* first get attributes from CPU If */ |
| status = mvCpuIfTargetWinGet(ethAddrDecPrioTap[winPrioIndex], |
| &cpuAddrDecWin); |
| |
| if(MV_NO_SUCH == status) |
| { |
| winPrioIndex++; |
| continue; |
| } |
| if (MV_OK != status) |
| { |
| mvOsPrintf("mvEthWinInit: ERR. mvCpuIfTargetWinGet failed\n"); |
| return MV_ERROR; |
| } |
| |
| if (cpuAddrDecWin.enable == MV_TRUE) |
| { |
| ethWin.addrWin.baseHigh = cpuAddrDecWin.addrWin.baseHigh; |
| ethWin.addrWin.baseLow = cpuAddrDecWin.addrWin.baseLow; |
| ethWin.addrWin.size = cpuAddrDecWin.addrWin.size; |
| ethWin.enable = MV_TRUE; |
| ethWin.target = ethAddrDecPrioTap[winPrioIndex]; |
| |
| if(MV_OK != mvEthWinSet(port, winNum, ðWin)) |
| { |
| mvOsPrintf("mvEthWinInit: ERR. mvEthWinSet failed winNum=%d\n", |
| winNum); |
| return MV_ERROR; |
| } |
| winNum++; |
| } |
| winPrioIndex ++; |
| } |
| |
| /* set full access to all windows. */ |
| for(i=0; i<winNum; i++) |
| { |
| accessProtReg |= (FULL_ACCESS << (i*2)); |
| } |
| MV_REG_WRITE(ETH_ACCESS_PROTECT_REG(port), accessProtReg); |
| |
| return MV_OK; |
| } |
| |
| /******************************************************************************* |
| * mvEthWinSet - Set ETH target address window |
| * |
| * DESCRIPTION: |
| * This function sets a peripheral target (e.g. SDRAM bank0, PCI_MEM0) |
| * address window, also known as address decode window. |
| * After setting this target window, the ETH will be able to access the |
| * target within the address window. |
| * |
| * INPUT: |
| * winNum - ETH to target address decode window number. |
| * pAddrDecWin - ETH target window data structure. |
| * |
| * OUTPUT: |
| * None. |
| * |
| * RETURN: |
| * MV_ERROR if address window overlapps with other address decode windows. |
| * MV_BAD_PARAM if base address is invalid parameter or target is |
| * unknown. |
| * |
| *******************************************************************************/ |
| MV_STATUS mvEthWinSet(int port, MV_U32 winNum, MV_ETH_DEC_WIN *pAddrDecWin) |
| { |
| MV_TARGET_ATTRIB targetAttribs; |
| MV_DEC_REGS decRegs; |
| |
| /* Parameter checking */ |
| if (winNum >= ETH_MAX_DECODE_WIN) |
| { |
| mvOsPrintf("mvEthWinSet: ERR. Invalid win num %d\n",winNum); |
| return MV_BAD_PARAM; |
| } |
| |
| /* Check if the requested window overlapps with current windows */ |
| if (MV_TRUE == ethWinOverlapDetect(port, winNum, &pAddrDecWin->addrWin)) |
| { |
| mvOsPrintf("mvEthWinSet: ERR. Window %d overlap\n", winNum); |
| return MV_ERROR; |
| } |
| |
| /* check if address is aligned to the size */ |
| if(MV_IS_NOT_ALIGN(pAddrDecWin->addrWin.baseLow, pAddrDecWin->addrWin.size)) |
| { |
| mvOsPrintf("mvEthWinSet: Error setting Ethernet window %d to "\ |
| "target %s.\nAddress 0x%08x is unaligned to size 0x%x.\n", |
| winNum, |
| mvCtrlTargetNameGet(pAddrDecWin->target), |
| pAddrDecWin->addrWin.baseLow, |
| pAddrDecWin->addrWin.size); |
| return MV_ERROR; |
| } |
| |
| |
| decRegs.baseReg = MV_REG_READ(ETH_WIN_BASE_REG(port, winNum)); |
| decRegs.sizeReg = MV_REG_READ(ETH_WIN_SIZE_REG(port, winNum)); |
| |
| if (MV_OK != mvCtrlAddrDecToReg(&(pAddrDecWin->addrWin),&decRegs)) |
| { |
| mvOsPrintf("mvEthWinSet:mvCtrlAddrDecToReg Failed\n"); |
| return MV_ERROR; |
| } |
| |
| mvCtrlAttribGet(pAddrDecWin->target,&targetAttribs); |
| |
| /* set attributes */ |
| decRegs.baseReg &= ~ETH_WIN_ATTR_MASK; |
| decRegs.baseReg |= targetAttribs.attrib << ETH_WIN_ATTR_OFFS; |
| /* set target ID */ |
| decRegs.baseReg &= ~ETH_WIN_TARGET_MASK; |
| decRegs.baseReg |= targetAttribs.targetId << ETH_WIN_TARGET_OFFS; |
| |
| /* for the safe side we disable the window before writing the new |
| values */ |
| mvEthWinEnable(port, winNum, MV_FALSE); |
| MV_REG_WRITE(ETH_WIN_BASE_REG(port, winNum), decRegs.baseReg); |
| |
| /* Write to address decode Size Register */ |
| MV_REG_WRITE(ETH_WIN_SIZE_REG(port, winNum), decRegs.sizeReg); |
| |
| /* Enable address decode target window */ |
| if (pAddrDecWin->enable == MV_TRUE) |
| { |
| mvEthWinEnable(port, winNum, MV_TRUE); |
| } |
| |
| return MV_OK; |
| } |
| |
| /******************************************************************************* |
| * mvETHWinGet - Get dma peripheral target address window. |
| * |
| * DESCRIPTION: |
| * Get ETH peripheral target address window. |
| * |
| * INPUT: |
| * winNum - ETH to target address decode window number. |
| * |
| * OUTPUT: |
| * pAddrDecWin - ETH target window data structure. |
| * |
| * RETURN: |
| * MV_ERROR if register parameters are invalid. |
| * |
| *******************************************************************************/ |
| MV_STATUS mvEthWinGet(int port, MV_U32 winNum, MV_ETH_DEC_WIN *pAddrDecWin) |
| { |
| MV_DEC_REGS decRegs; |
| MV_TARGET_ATTRIB targetAttrib; |
| |
| /* Parameter checking */ |
| if (winNum >= ETH_MAX_DECODE_WIN) |
| { |
| mvOsPrintf("mvEthWinGet: ERR. Invalid winNum %d\n", winNum); |
| return MV_NOT_SUPPORTED; |
| } |
| |
| decRegs.baseReg = MV_REG_READ(ETH_WIN_BASE_REG(port, winNum)); |
| decRegs.sizeReg = MV_REG_READ(ETH_WIN_SIZE_REG(port, winNum)); |
| |
| if (MV_OK != mvCtrlRegToAddrDec(&decRegs,&(pAddrDecWin->addrWin))) |
| { |
| mvOsPrintf("mvAhbToMbusWinGet: mvCtrlRegToAddrDec Failed \n"); |
| return MV_ERROR; |
| } |
| |
| /* attrib and targetId */ |
| targetAttrib.attrib = |
| (decRegs.baseReg & ETH_WIN_ATTR_MASK) >> ETH_WIN_ATTR_OFFS; |
| targetAttrib.targetId = |
| (decRegs.baseReg & ETH_WIN_TARGET_MASK) >> ETH_WIN_TARGET_OFFS; |
| |
| pAddrDecWin->target = mvCtrlTargetGet(&targetAttrib); |
| |
| /* Check if window is enabled */ |
| if (~(MV_REG_READ(ETH_BASE_ADDR_ENABLE_REG(port))) & (1 << winNum) ) |
| { |
| pAddrDecWin->enable = MV_TRUE; |
| } |
| else |
| { |
| pAddrDecWin->enable = MV_FALSE; |
| } |
| |
| return MV_OK; |
| } |
| |
| /******************************************************************************* |
| * mvEthWinEnable - Enable/disable a ETH to target address window |
| * |
| * DESCRIPTION: |
| * This function enable/disable a ETH to target address window. |
| * According to parameter 'enable' the routine will enable the |
| * window, thus enabling ETH accesses (before enabling the window it is |
| * tested for overlapping). Otherwise, the window will be disabled. |
| * |
| * INPUT: |
| * winNum - ETH to target address decode window number. |
| * enable - Enable/disable parameter. |
| * |
| * OUTPUT: |
| * N/A |
| * |
| * RETURN: |
| * MV_ERROR if decode window number was wrong or enabled window overlapps. |
| * |
| *******************************************************************************/ |
| MV_STATUS mvEthWinEnable(int port, MV_U32 winNum,MV_BOOL enable) |
| { |
| MV_ETH_DEC_WIN addrDecWin; |
| |
| /* Parameter checking */ |
| if (winNum >= ETH_MAX_DECODE_WIN) |
| { |
| mvOsPrintf("mvEthTargetWinEnable:ERR. Invalid winNum%d\n",winNum); |
| return MV_ERROR; |
| } |
| |
| if (enable == MV_TRUE) |
| { /* First check for overlap with other enabled windows */ |
| /* Get current window */ |
| if (MV_OK != mvEthWinGet(port, winNum, &addrDecWin)) |
| { |
| mvOsPrintf("mvEthTargetWinEnable:ERR. targetWinGet fail\n"); |
| return MV_ERROR; |
| } |
| /* Check for overlapping */ |
| if (MV_FALSE == ethWinOverlapDetect(port, winNum, &(addrDecWin.addrWin))) |
| { |
| /* No Overlap. Enable address decode target window */ |
| MV_REG_BIT_RESET(ETH_BASE_ADDR_ENABLE_REG(port), (1 << winNum)); |
| } |
| else |
| { /* Overlap detected */ |
| mvOsPrintf("mvEthTargetWinEnable:ERR. Overlap detected\n"); |
| return MV_ERROR; |
| } |
| } |
| else |
| { /* Disable address decode target window */ |
| MV_REG_BIT_SET(ETH_BASE_ADDR_ENABLE_REG(port), (1 << winNum)); |
| } |
| return MV_OK; |
| } |
| |
| /******************************************************************************* |
| * mvEthWinTargetGet - Get Window number associated with target |
| * |
| * DESCRIPTION: |
| * |
| * INPUT: |
| * |
| * OUTPUT: |
| * |
| * RETURN: |
| * window number |
| * |
| *******************************************************************************/ |
| MV_U32 mvEthWinTargetGet(int port, MV_TARGET target) |
| { |
| MV_ETH_DEC_WIN decWin; |
| MV_U32 winNum; |
| |
| /* Check parameters */ |
| if (target >= MAX_TARGETS) |
| { |
| mvOsPrintf("mvAhbToMbusWinTargetGet: target %d is Illigal\n", target); |
| return 0xffffffff; |
| } |
| |
| for (winNum=0; winNum<ETH_MAX_DECODE_WIN; winNum++) |
| { |
| if (mvEthWinGet(port, winNum,&decWin) != MV_OK) |
| { |
| mvOsPrintf("mvAhbToMbusWinTargetGet: window returned error\n"); |
| return 0xffffffff; |
| } |
| |
| if (decWin.enable == MV_TRUE) |
| { |
| if (decWin.target == target) |
| { |
| return winNum; |
| } |
| } |
| } |
| return 0xFFFFFFFF; |
| } |
| |
| /******************************************************************************* |
| * mvEthProtWinSet - Set access protection of Ethernet to target window. |
| * |
| * DESCRIPTION: |
| * Each Ethernet port can be configured with access attributes for each |
| * of the Ethenret to target windows (address decode windows). This |
| * function sets access attributes to a given window for the given channel. |
| * |
| * INPUTS: |
| * ethPort - ETH channel number. See MV_ETH_CHANNEL enumerator. |
| * winNum - IETH to target address decode window number. |
| * access - IETH access rights. See MV_ACCESS_RIGHTS enumerator. |
| * |
| * OUTPUT: |
| * None. |
| * |
| * RETURN: |
| * MV_ERROR in case window number is invalid or access right reserved. |
| * |
| *******************************************************************************/ |
| MV_STATUS mvEthProtWinSet(MV_U32 portNo, MV_U32 winNum, MV_ACCESS_RIGHTS access) |
| { |
| MV_U32 protReg; |
| |
| /* Parameter checking */ |
| if(portNo >= mvCtrlEthMaxPortGet()) |
| { |
| mvOsPrintf("mvEthProtWinSet:ERR. Invalid port number %d\n", portNo); |
| return MV_ERROR; |
| } |
| |
| if (winNum >= ETH_MAX_DECODE_WIN) |
| { |
| mvOsPrintf("mvEthProtWinSet:ERR. Invalid winNum%d\n",winNum); |
| return MV_ERROR; |
| } |
| |
| if((access == ACC_RESERVED) || (access >= MAX_ACC_RIGHTS)) |
| { |
| mvOsPrintf("mvEthProtWinSet:ERR. Inv access param %d\n", access); |
| return MV_ERROR; |
| } |
| /* Read current protection register */ |
| protReg = MV_REG_READ(ETH_ACCESS_PROTECT_REG(portNo)); |
| |
| /* Clear protection window field */ |
| protReg &= ~(ETH_PROT_WIN_MASK(winNum)); |
| |
| /* Set new protection field value */ |
| protReg |= (access << (ETH_PROT_WIN_OFFS(winNum))); |
| |
| /* Write protection register back */ |
| MV_REG_WRITE(ETH_ACCESS_PROTECT_REG(portNo), protReg); |
| |
| return MV_OK; |
| } |
| |
| /******************************************************************************* |
| * ethWinOverlapDetect - Detect ETH address windows overlapping |
| * |
| * DESCRIPTION: |
| * An unpredicted behaviur is expected in case ETH address decode |
| * windows overlapps. |
| * This function detects ETH address decode windows overlapping of a |
| * specified window. The function does not check the window itself for |
| * overlapping. The function also skipps disabled address decode windows. |
| * |
| * INPUT: |
| * winNum - address decode window number. |
| * pAddrDecWin - An address decode window struct. |
| * |
| * OUTPUT: |
| * None. |
| * |
| * RETURN: |
| * MV_TRUE if the given address window overlap current address |
| * decode map, MV_FALSE otherwise, MV_ERROR if reading invalid data |
| * from registers. |
| * |
| *******************************************************************************/ |
| static MV_STATUS ethWinOverlapDetect(int port, MV_U32 winNum, MV_ADDR_WIN *pAddrWin) |
| { |
| MV_U32 baseAddrEnableReg; |
| MV_U32 winNumIndex; |
| MV_ETH_DEC_WIN addrDecWin; |
| |
| /* Read base address enable register. Do not check disabled windows */ |
| baseAddrEnableReg = MV_REG_READ(ETH_BASE_ADDR_ENABLE_REG(port)); |
| |
| for (winNumIndex=0; winNumIndex<ETH_MAX_DECODE_WIN; winNumIndex++) |
| { |
| /* Do not check window itself */ |
| if (winNumIndex == winNum) |
| { |
| continue; |
| } |
| |
| /* Do not check disabled windows */ |
| if (baseAddrEnableReg & (1 << winNumIndex)) |
| { |
| continue; |
| } |
| |
| /* Get window parameters */ |
| if (MV_OK != mvEthWinGet(port, winNumIndex, &addrDecWin)) |
| { |
| mvOsPrintf("ethWinOverlapDetect: ERR. TargetWinGet failed\n"); |
| return MV_ERROR; |
| } |
| /* |
| mvOsPrintf("ethWinOverlapDetect:\n |
| winNumIndex =%d baseHigh =0x%x baseLow=0x%x size=0x%x enable=0x%x\n", |
| winNumIndex, |
| addrDecWin.addrWin.baseHigh, |
| addrDecWin.addrWin.baseLow, |
| addrDecWin.addrWin.size, |
| addrDecWin.enable); |
| */ |
| if (MV_TRUE == ctrlWinOverlapTest(pAddrWin, &(addrDecWin.addrWin))) |
| { |
| return MV_TRUE; |
| } |
| } |
| return MV_FALSE; |
| } |
| |
| /******************************************************************************* |
| * mvEthAddrDecShow - Print the Etherent address decode map. |
| * |
| * DESCRIPTION: |
| * This function print the Etherent address decode map. |
| * |
| * INPUT: |
| * None. |
| * |
| * OUTPUT: |
| * None. |
| * |
| * RETURN: |
| * None. |
| * |
| *******************************************************************************/ |
| void mvEthPortAddrDecShow(int port) |
| { |
| MV_ETH_DEC_WIN win; |
| int i; |
| |
| mvOsOutput( "\n" ); |
| mvOsOutput( "ETH %d:\n", port ); |
| mvOsOutput( "----\n" ); |
| |
| for( i = 0; i < ETH_MAX_DECODE_WIN; i++ ) |
| { |
| memset( &win, 0, sizeof(ETH_MAX_DECODE_WIN) ); |
| |
| mvOsOutput( "win%d - ", i ); |
| |
| if( mvEthWinGet(port, i, &win ) == MV_OK ) |
| { |
| if( win.enable ) |
| { |
| mvOsOutput( "%s base %08x, ", |
| mvCtrlTargetNameGet(win.target), win.addrWin.baseLow ); |
| mvOsOutput( "...." ); |
| mvSizePrint( win.addrWin.size ); |
| |
| mvOsOutput( "\n" ); |
| } |
| else |
| mvOsOutput( "disable\n" ); |
| } |
| } |
| return; |
| } |
| |
| void mvEthAddrDecShow(void) |
| { |
| int port; |
| |
| for(port=0; port<mvCtrlEthMaxPortGet(); port++) |
| { |
| if (MV_FALSE == mvCtrlPwrClckGet(ETH_GIG_UNIT_ID, port)) continue; |
| |
| mvEthPortAddrDecShow(port); |
| } |
| } |
| |
| |
| void mvEthInit(void) |
| { |
| MV_U32 port; |
| |
| /* Power down all existing ports */ |
| for(port=0; port<mvCtrlEthMaxPortGet(); port++) |
| { |
| if (MV_FALSE == mvCtrlPwrClckGet(ETH_GIG_UNIT_ID, port)) |
| continue; |
| |
| mvEthPortPowerUp(port); |
| mvEthWinInit(port); |
| } |
| mvEthHalInit(); |
| } |
