--- /dev/null
+/*******************************************************************************
+Copyright (C) Marvell International Ltd. and its affiliates
+
+This software file (the "File") is owned and distributed by Marvell
+International Ltd. and/or its affiliates ("Marvell") under the following
+alternative licensing terms. Once you have made an election to distribute the
+File under one of the following license alternatives, please (i) delete this
+introductory statement regarding license alternatives, (ii) delete the two
+license alternatives that you have not elected to use and (iii) preserve the
+Marvell copyright notice above.
+
+********************************************************************************
+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.
+
+********************************************************************************
+Marvell GPL License Option
+
+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
+Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or
+on the worldwide web at http://www.gnu.org/licenses/gpl.txt.
+
+THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED
+WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY
+DISCLAIMED. The GPL License provides additional details about this warranty
+disclaimer.
+********************************************************************************
+Marvell BSD License Option
+
+If you received this File from Marvell, you may opt to use, redistribute and/or
+modify this File under the following licensing terms.
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ * 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.
+
+ * Neither the name of Marvell nor the names of its contributors may be
+ used to endorse or promote products derived from this software without
+ specific prior written permission.
+
+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
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*******************************************************************************/
+
+
+#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();
+}
projects / 15.05 / openwrt.git / blobdiff