diff options
Diffstat (limited to 'target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/pex/mvPex.c')
| -rw-r--r-- | target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/pex/mvPex.c | 1143 |
1 files changed, 0 insertions, 1143 deletions
diff --git a/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/pex/mvPex.c b/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/pex/mvPex.c deleted file mode 100644 index 068aac2bf8..0000000000 --- a/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/pex/mvPex.c +++ /dev/null @@ -1,1143 +0,0 @@ -/******************************************************************************* -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 "pex/mvPex.h" - -#include "ctrlEnv/mvCtrlEnvLib.h" - -/* defines */ -#ifdef MV_DEBUG -#define DB(x) x -#else -#define DB(x) -#endif - -MV_STATUS mvPexHalInit(MV_U32 pexIf, MV_PEX_TYPE pexType) -{ - MV_PEX_MODE pexMode; - MV_U32 regVal; - MV_U32 status; - - /* First implement Guideline (GL# PCI Express-2) Wrong Default Value */ - /* to Transmitter Output Current (TXAMP) Relevant for: 88F5181-A1/B0/B1 */ - /* and 88F5281-B0 and above, 88F5182, 88F5082, 88F5181L, 88F6082/L */ - - if ((mvCtrlModelGet() != MV_1281_DEV_ID) && - (mvCtrlModelGet() != MV_6281_DEV_ID) && - (mvCtrlModelGet() != MV_6192_DEV_ID) && - (mvCtrlModelGet() != MV_6190_DEV_ID) && - (mvCtrlModelGet() != MV_6180_DEV_ID) && - (mvCtrlModelGet() != MV_6183_DEV_ID) && - (mvCtrlModelGet() != MV_6183L_DEV_ID) && - (mvCtrlModelGet() != MV_78100_DEV_ID) && - (mvCtrlModelGet() != MV_78200_DEV_ID) && - (mvCtrlModelGet() != MV_76100_DEV_ID) && - (mvCtrlModelGet() != MV_78XX0_DEV_ID)) - { - - /* Read current value of TXAMP */ - MV_REG_WRITE(0x41b00, 0x80820000); /* Write the read command */ - - regVal = MV_REG_READ(0x41b00); /* Extract the data */ - - /* Prepare new data for write */ - regVal &= ~0x7; /* Clear bits [2:0] */ - regVal |= 0x4; /* Set the new value */ - regVal &= ~0x80000000; /* Set "write" command */ - MV_REG_WRITE(0x41b00, regVal); /* Write the write command */ - - } - else - { - /* Implement 1.0V termination GL for 88F1281 device only */ - /* BIT0 - Common mode feedback */ - /* BIT3 - TxBuf, extra drive for 1.0V termination */ - if (mvCtrlModelGet() == MV_1281_DEV_ID) - { - MV_REG_WRITE(0x41b00, 0x80860000); /* Write the read command */ - regVal = MV_REG_READ(0x41b00); /* Extract the data */ - regVal |= (BIT0 | BIT3); - regVal &= ~0x80000000; /* Set "write" command */ - MV_REG_WRITE(0x41b00, regVal); /* Write the write command */ - - MV_REG_WRITE(0x31b00, 0x80860000); /* Write the read command */ - regVal = MV_REG_READ(0x31b00); /* Extract the data */ - regVal |= (BIT0 | BIT3); - regVal &= ~0x80000000; /* Set "write" command */ - MV_REG_WRITE(0x31b00, regVal); /* Write the write command */ - } - } - - if( mvPexModeGet(pexIf, &pexMode) != MV_OK) - { - mvOsPrintf("PEX init ERR. mvPexModeGet failed (pexType=%d)\n",pexMode.pexType); - return MV_ERROR; - } - - /* Check that required PEX type is the one set in reset time */ - if (pexType != pexMode.pexType) - { - /* No Link. Shut down the Phy */ - mvPexPowerDown(pexIf); - mvOsPrintf("PEX init ERR. PEX type sampled mismatch (%d,%d)\n",pexType,pexMode.pexType); - return MV_ERROR; - } - - if (MV_PEX_ROOT_COMPLEX == pexType) - { - mvPexLocalBusNumSet(pexIf, PEX_HOST_BUS_NUM(pexIf)); - mvPexLocalDevNumSet(pexIf, PEX_HOST_DEV_NUM(pexIf)); - - /* Local device master Enable */ - mvPexMasterEnable(pexIf, MV_TRUE); - - /* Local device slave Enable */ - mvPexSlaveEnable(pexIf, mvPexLocalBusNumGet(pexIf), - mvPexLocalDevNumGet(pexIf), MV_TRUE); - /* Interrupt disable */ - status = MV_REG_READ(PEX_CFG_DIRECT_ACCESS(pexIf, PEX_STATUS_AND_COMMAND)); - status |= PXSAC_INT_DIS; - MV_REG_WRITE(PEX_CFG_DIRECT_ACCESS(pexIf, PEX_STATUS_AND_COMMAND), status); - } - - /* now wait 500 ms to be sure the link is valid (spec compliant) */ - mvOsDelay(500); - /* Check if we have link */ - if (MV_REG_READ(PEX_STATUS_REG(pexIf)) & PXSR_DL_DOWN) - { - mvOsPrintf("PEX%d interface detected no Link.\n",pexIf); - return MV_NO_SUCH; - } - - if (MV_PEX_WITDH_X1 == pexMode.pexWidth) - { - mvOsPrintf("PEX%d interface detected Link X1\n",pexIf); - } - else - { - mvOsPrintf("PEX%d interface detected Link X4\n",pexIf); - } - -#ifdef PCIE_VIRTUAL_BRIDGE_SUPPORT - mvPexVrtBrgInit(pexIf); -#endif - return MV_OK; -} - -/******************************************************************************* -* mvPexModeGet - Get Pex Mode -* -* DESCRIPTION: -* -* INPUT: -* pexIf - PEX interface number. -* -* OUTPUT: -* pexMode - Pex mode structure -* -* RETURN: -* MV_OK on success , MV_ERROR otherwise -* -*******************************************************************************/ -MV_U32 mvPexModeGet(MV_U32 pexIf,MV_PEX_MODE *pexMode) -{ - MV_U32 pexData; - - /* Parameter checking */ - if (PEX_DEFAULT_IF != pexIf) - { - if (pexIf >= mvCtrlPexMaxIfGet()) - { - mvOsPrintf("mvPexModeGet: ERR. Invalid PEX interface %d\n",pexIf); - return MV_ERROR; - } - } - - pexData = MV_REG_READ(PEX_CTRL_REG(pexIf)); - - switch (pexData & PXCR_DEV_TYPE_CTRL_MASK) - { - case PXCR_DEV_TYPE_CTRL_CMPLX: - pexMode->pexType = MV_PEX_ROOT_COMPLEX; - break; - case PXCR_DEV_TYPE_CTRL_POINT: - pexMode->pexType = MV_PEX_END_POINT; - break; - - } - - /* Check if we have link */ - if (MV_REG_READ(PEX_STATUS_REG(pexIf)) & PXSR_DL_DOWN) - { - pexMode->pexLinkUp = MV_FALSE; - - /* If there is no link, the auto negotiation data is worthless */ - pexMode->pexWidth = MV_PEX_WITDH_INVALID; - } - else - { - pexMode->pexLinkUp = MV_TRUE; - - /* We have link. The link width is now valid */ - pexData = MV_REG_READ(PEX_CFG_DIRECT_ACCESS(pexIf, PEX_LINK_CTRL_STAT_REG)); - pexMode->pexWidth = ((pexData & PXLCSR_NEG_LNK_WDTH_MASK) >> - PXLCSR_NEG_LNK_WDTH_OFFS); - } - - return MV_OK; -} - - -/* PEX configuration space read write */ - -/******************************************************************************* -* mvPexConfigRead - Read from configuration space -* -* DESCRIPTION: -* This function performs a 32 bit read from PEX configuration space. -* It supports both type 0 and type 1 of Configuration Transactions -* (local and over bridge). In order to read from local bus segment, use -* bus number retrieved from mvPexLocalBusNumGet(). Other bus numbers -* will result configuration transaction of type 1 (over bridge). -* -* INPUT: -* pexIf - PEX interface number. -* bus - PEX segment bus number. -* dev - PEX device number. -* func - Function number. -* regOffs - Register offset. -* -* OUTPUT: -* None. -* -* RETURN: -* 32bit register data, 0xffffffff on error -* -*******************************************************************************/ -MV_U32 mvPexConfigRead (MV_U32 pexIf, MV_U32 bus, MV_U32 dev, MV_U32 func, - MV_U32 regOff) -{ -#if defined(PCIE_VIRTUAL_BRIDGE_SUPPORT) - return mvPexVrtBrgConfigRead (pexIf, bus, dev, func, regOff); -} - -MV_U32 mvPexHwConfigRead (MV_U32 pexIf, MV_U32 bus, MV_U32 dev, MV_U32 func, - MV_U32 regOff) -{ -#endif - MV_U32 pexData = 0; - MV_U32 localDev,localBus; - - /* Parameter checking */ - if (PEX_DEFAULT_IF != pexIf) - { - if (pexIf >= mvCtrlPexMaxIfGet()) - { - mvOsPrintf("mvPexConfigRead: ERR. Invalid PEX interface %d\n",pexIf); - return 0xFFFFFFFF; - } - } - - if (dev >= MAX_PEX_DEVICES) - { - DB(mvOsPrintf("mvPexConfigRead: ERR. device number illigal %d\n", dev)); - return 0xFFFFFFFF; - } - - if (func >= MAX_PEX_FUNCS) - { - DB(mvOsPrintf("mvPexConfigRead: ERR. function num illigal %d\n", func)); - return 0xFFFFFFFF; - } - - if (bus >= MAX_PEX_BUSSES) - { - DB(mvOsPrintf("mvPexConfigRead: ERR. bus number illigal %d\n", bus)); - return MV_ERROR; - } - - DB(mvOsPrintf("mvPexConfigRead: pexIf %d, bus %d, dev %d, func %d, regOff 0x%x\n", - pexIf, bus, dev, func, regOff)); - - localDev = mvPexLocalDevNumGet(pexIf); - localBus = mvPexLocalBusNumGet(pexIf); - - /* Speed up the process. In case on no link, return MV_ERROR */ - if ((dev != localDev) || (bus != localBus)) - { - pexData = MV_REG_READ(PEX_STATUS_REG(pexIf)); - - if ((pexData & PXSR_DL_DOWN)) - { - return MV_ERROR; - } - } - - /* in PCI Express we have only one device number */ - /* and this number is the first number we encounter - else that the localDev*/ - /* spec pex define return on config read/write on any device */ - if (bus == localBus) - { - if (localDev == 0) - { - /* if local dev is 0 then the first number we encounter - after 0 is 1 */ - if ((dev != 1)&&(dev != localDev)) - { - return MV_ERROR; - } - } - else - { - /* if local dev is not 0 then the first number we encounter - is 0 */ - - if ((dev != 0)&&(dev != localDev)) - { - return MV_ERROR; - } - } - if(func != 0 ) /* i.e bridge */ - { - return MV_ERROR; - } - } - - - /* Creating PEX address to be passed */ - pexData = (bus << PXCAR_BUS_NUM_OFFS); - pexData |= (dev << PXCAR_DEVICE_NUM_OFFS); - pexData |= (func << PXCAR_FUNC_NUM_OFFS); - pexData |= (regOff & PXCAR_REG_NUM_MASK); /* lgacy register space */ - /* extended register space */ - pexData |=(((regOff & PXCAR_REAL_EXT_REG_NUM_MASK) >> - PXCAR_REAL_EXT_REG_NUM_OFFS) << PXCAR_EXT_REG_NUM_OFFS); - - pexData |= PXCAR_CONFIG_EN; - - /* Write the address to the PEX configuration address register */ - MV_REG_WRITE(PEX_CFG_ADDR_REG(pexIf), pexData); - - DB(mvOsPrintf("mvPexConfigRead:address pexData=%x ",pexData)); - - - /* In order to let the PEX controller absorbed the address of the read */ - /* transaction we perform a validity check that the address was written */ - if(pexData != MV_REG_READ(PEX_CFG_ADDR_REG(pexIf))) - { - return MV_ERROR; - } - - /* cleaning Master Abort */ - MV_REG_BIT_SET(PEX_CFG_DIRECT_ACCESS(pexIf,PEX_STATUS_AND_COMMAND), - PXSAC_MABORT); -#if 0 - /* Guideline (GL# PCI Express-1) Erroneous Read Data on Configuration */ - /* This guideline is relevant for all devices except of the following devices: - 88F5281-BO and above, 88F5181L-A0 and above, 88F1281 A0 and above - 88F6183 A0 and above, 88F6183L */ - if ( ( (dev != localDev) || (bus != localBus) ) && - ( - !(MV_5281_DEV_ID == mvCtrlModelGet())&& - !((MV_5181_DEV_ID == mvCtrlModelGet())&& (mvCtrlRevGet() >= MV_5181L_A0_REV))&& - !(MV_1281_DEV_ID == mvCtrlModelGet())&& - !(MV_6183_DEV_ID == mvCtrlModelGet())&& - !(MV_6183L_DEV_ID == mvCtrlModelGet())&& - !(MV_6281_DEV_ID == mvCtrlModelGet())&& - !(MV_6192_DEV_ID == mvCtrlModelGet())&& - !(MV_6190_DEV_ID == mvCtrlModelGet())&& - !(MV_6180_DEV_ID == mvCtrlModelGet())&& - !(MV_78XX0_DEV_ID == mvCtrlModelGet()) - )) - { - - /* PCI-Express configuration read work-around */ - - /* we will use one of the Punit (AHBToMbus) windows to access the xbar - and read the data from there */ - /* - Need to configure the 2 free Punit (AHB to MBus bridge) - address decoding windows: - Configure the flash Window to handle Configuration space requests - for PEX0/1: - 1. write 0x7931/0x7941 to the flash window and the size, - 79-xbar attr (pci cfg), 3/4-xbar target (pex0/1), 1-WinEn - 2. write base to flash window - - Configuration transactions from the CPU should write/read the data - to/from address of the form: - addr[31:28] = 0x5 (for PEX0) or 0x6 (for PEX1) - addr[27:24] = extended register number - addr[23:16] = bus number - addr[15:11] = device number - addr[10:8] = function number - addr[7:0] = register number - */ - - #include "ctrlEnv/sys/mvAhbToMbus.h" - { - MV_U32 winNum; - MV_AHB_TO_MBUS_DEC_WIN originWin; - MV_U32 pciAddr=0; - MV_U32 remapLow=0,remapHigh=0; - - /* - We will use DEV_CS2\Flash window for this workarround - */ - - winNum = mvAhbToMbusWinTargetGet(PEX_CONFIG_RW_WA_TARGET); - - /* save remap values if exist */ - if ((1 == winNum)||(0 == winNum)) - { - remapLow = MV_REG_READ(AHB_TO_MBUS_WIN_REMAP_LOW_REG(winNum)); - remapHigh = MV_REG_READ(AHB_TO_MBUS_WIN_REMAP_HIGH_REG(winNum)); - - } - - - /* save the original window values */ - mvAhbToMbusWinGet(winNum,&originWin); - - if (PEX_CONFIG_RW_WA_USE_ORIGINAL_WIN_VALUES) - { - /* set the window as xbar window */ - if (pexIf) - { - MV_REG_WRITE(AHB_TO_MBUS_WIN_CTRL_REG(winNum), - (0x7931 | (((originWin.addrWin.size >> 16)-1) ) << 16)); - } - else - { - MV_REG_WRITE(AHB_TO_MBUS_WIN_CTRL_REG(winNum), - (0x7941 | (((originWin.addrWin.size >> 16)-1) ) << 16)); - } - - MV_REG_WRITE(AHB_TO_MBUS_WIN_BASE_REG(winNum), - originWin.addrWin.baseLow); - - /*pciAddr = originWin.addrWin.baseLow;*/ - pciAddr = (MV_U32)CPU_MEMIO_UNCACHED_ADDR( - (MV_U32)originWin.addrWin.baseLow); - - } - else - { - /* set the window as xbar window */ - if (pexIf) - { - MV_REG_WRITE(AHB_TO_MBUS_WIN_CTRL_REG(winNum), - (0x7931 | (((PEX_CONFIG_RW_WA_SIZE >> 16)-1) ) << 16)); - } - else - { - MV_REG_WRITE(AHB_TO_MBUS_WIN_CTRL_REG(winNum), - (0x7941 | (((PEX_CONFIG_RW_WA_SIZE >> 16)-1) ) << 16)); - } - - MV_REG_WRITE(AHB_TO_MBUS_WIN_BASE_REG(winNum), - PEX_CONFIG_RW_WA_BASE); - - pciAddr = (MV_U32)CPU_MEMIO_UNCACHED_ADDR(PEX_CONFIG_RW_WA_BASE); - } - - - /* remap should be as base */ - if ((1 == winNum)||(0 == winNum)) - { - MV_REG_WRITE(AHB_TO_MBUS_WIN_REMAP_LOW_REG(winNum),pciAddr); - MV_REG_WRITE(AHB_TO_MBUS_WIN_REMAP_HIGH_REG(winNum),0); - - } - - /* extended register space */ - pciAddr |= (bus << 16); - pciAddr |= (dev << 11); - pciAddr |= (func << 8); - pciAddr |= (regOff & PXCAR_REG_NUM_MASK); /* lgacy register space */ - - pexData = *(MV_U32*)pciAddr; - pexData = MV_32BIT_LE(pexData); /* Data always in LE */ - - /* restore the original window values */ - mvAhbToMbusWinSet(winNum,&originWin); - - /* restore original remap values*/ - if ((1 == winNum)||(0 == winNum)) - { - MV_REG_WRITE(AHB_TO_MBUS_WIN_REMAP_LOW_REG(winNum),remapLow); - MV_REG_WRITE(AHB_TO_MBUS_WIN_REMAP_HIGH_REG(winNum),remapHigh); - - } - } - } - else -#endif - { - /* Read the Data returned in the PEX Data register */ - pexData = MV_REG_READ(PEX_CFG_DATA_REG(pexIf)); - - } - - DB(mvOsPrintf("mvPexConfigRead: got : %x \n",pexData)); - - return pexData; - -} - -/******************************************************************************* -* mvPexConfigWrite - Write to configuration space -* -* DESCRIPTION: -* This function performs a 32 bit write to PEX configuration space. -* It supports both type 0 and type 1 of Configuration Transactions -* (local and over bridge). In order to write to local bus segment, use -* bus number retrieved from mvPexLocalBusNumGet(). Other bus numbers -* will result configuration transaction of type 1 (over bridge). -* -* INPUT: -* pexIf - PEX interface number. -* bus - PEX segment bus number. -* dev - PEX device number. -* func - Function number. -* regOffs - Register offset. -* data - 32bit data. -* -* OUTPUT: -* None. -* -* RETURN: -* MV_BAD_PARAM for bad parameters ,MV_ERROR on error ! otherwise MV_OK -* -*******************************************************************************/ -MV_STATUS mvPexConfigWrite(MV_U32 pexIf, MV_U32 bus, MV_U32 dev, - MV_U32 func, MV_U32 regOff, MV_U32 data) -{ -#if defined(PCIE_VIRTUAL_BRIDGE_SUPPORT) - return mvPexVrtBrgConfigWrite (pexIf, bus, dev, func, regOff, data); -} - -MV_STATUS mvPexHwConfigWrite(MV_U32 pexIf, MV_U32 bus, MV_U32 dev, - MV_U32 func, MV_U32 regOff, MV_U32 data) -{ -#endif - MV_U32 pexData = 0; - MV_U32 localDev,localBus; - - /* Parameter checking */ - if (PEX_DEFAULT_IF != pexIf) - { - if (pexIf >= mvCtrlPexMaxIfGet()) - { - mvOsPrintf("mvPexConfigWrite: ERR. Invalid PEX interface %d\n", - pexIf); - return MV_ERROR; - } - } - - if (dev >= MAX_PEX_DEVICES) - { - mvOsPrintf("mvPexConfigWrite: ERR. device number illigal %d\n",dev); - return MV_BAD_PARAM; - } - - if (func >= MAX_PEX_FUNCS) - { - mvOsPrintf("mvPexConfigWrite: ERR. function number illigal %d\n", func); - return MV_ERROR; - } - - if (bus >= MAX_PEX_BUSSES) - { - mvOsPrintf("mvPexConfigWrite: ERR. bus number illigal %d\n", bus); - return MV_ERROR; - } - - - - localDev = mvPexLocalDevNumGet(pexIf); - localBus = mvPexLocalBusNumGet(pexIf); - - - /* in PCI Express we have only one device number other than ourselves*/ - /* and this number is the first number we encounter - else than the localDev that can be any valid dev number*/ - /* pex spec define return on config read/write on any device */ - if (bus == localBus) - { - - if (localDev == 0) - { - /* if local dev is 0 then the first number we encounter - after 0 is 1 */ - if ((dev != 1)&&(dev != localDev)) - { - return MV_ERROR; - } - - } - else - { - /* if local dev is not 0 then the first number we encounter - is 0 */ - - if ((dev != 0)&&(dev != localDev)) - { - return MV_ERROR; - } - } - - - } - - /* if we are not accessing ourselves , then check the link */ - if ((dev != localDev) || (bus != localBus) ) - { - /* workarround */ - /* when no link return MV_ERROR */ - - pexData = MV_REG_READ(PEX_STATUS_REG(pexIf)); - - if ((pexData & PXSR_DL_DOWN)) - { - return MV_ERROR; - } - - } - - pexData =0; - - /* Creating PEX address to be passed */ - pexData |= (bus << PXCAR_BUS_NUM_OFFS); - pexData |= (dev << PXCAR_DEVICE_NUM_OFFS); - pexData |= (func << PXCAR_FUNC_NUM_OFFS); - pexData |= (regOff & PXCAR_REG_NUM_MASK); /* lgacy register space */ - /* extended register space */ - pexData |=(((regOff & PXCAR_REAL_EXT_REG_NUM_MASK) >> - PXCAR_REAL_EXT_REG_NUM_OFFS) << PXCAR_EXT_REG_NUM_OFFS); - pexData |= PXCAR_CONFIG_EN; - - DB(mvOsPrintf("mvPexConfigWrite: If=%x bus=%x func=%x dev=%x regOff=%x data=%x \n", - pexIf,bus,func,dev,regOff,data,pexData) ); - - /* Write the address to the PEX configuration address register */ - MV_REG_WRITE(PEX_CFG_ADDR_REG(pexIf), pexData); - - /* Clear CPU pipe. Important where CPU can perform OOO execution */ - CPU_PIPE_FLUSH; - - /* In order to let the PEX controller absorbed the address of the read */ - /* transaction we perform a validity check that the address was written */ - if(pexData != MV_REG_READ(PEX_CFG_ADDR_REG(pexIf))) - { - return MV_ERROR; - } - - /* Write the Data passed to the PEX Data register */ - MV_REG_WRITE(PEX_CFG_DATA_REG(pexIf), data); - - return MV_OK; - -} - -/******************************************************************************* -* mvPexMasterEnable - Enable/disale PEX interface master transactions. -* -* DESCRIPTION: -* This function performs read modified write to PEX command status -* (offset 0x4) to set/reset bit 2. After this bit is set, the PEX -* master is allowed to gain ownership on the bus, otherwise it is -* incapable to do so. -* -* INPUT: -* pexIf - PEX interface number. -* enable - Enable/disable parameter. -* -* OUTPUT: -* None. -* -* RETURN: -* MV_BAD_PARAM for bad parameters ,MV_ERROR on error ! otherwise MV_OK -* -*******************************************************************************/ -MV_STATUS mvPexMasterEnable(MV_U32 pexIf, MV_BOOL enable) -{ - MV_U32 pexCommandStatus; - MV_U32 localBus; - MV_U32 localDev; - - /* Parameter checking */ - if (pexIf >= mvCtrlPexMaxIfGet()) - { - mvOsPrintf("mvPexMasterEnable: ERR. Invalid PEX interface %d\n", pexIf); - return MV_ERROR; - } - - localBus = mvPexLocalBusNumGet(pexIf); - localDev = mvPexLocalDevNumGet(pexIf); - - pexCommandStatus = MV_REG_READ(PEX_CFG_DIRECT_ACCESS(pexIf, - PEX_STATUS_AND_COMMAND)); - - - if (MV_TRUE == enable) - { - pexCommandStatus |= PXSAC_MASTER_EN; - } - else - { - pexCommandStatus &= ~PXSAC_MASTER_EN; - } - - - MV_REG_WRITE(PEX_CFG_DIRECT_ACCESS(pexIf,PEX_STATUS_AND_COMMAND), - pexCommandStatus); - - return MV_OK; -} - - -/******************************************************************************* -* mvPexSlaveEnable - Enable/disale PEX interface slave transactions. -* -* DESCRIPTION: -* This function performs read modified write to PEX command status -* (offset 0x4) to set/reset bit 0 and 1. After those bits are set, -* the PEX slave is allowed to respond to PEX IO space access (bit 0) -* and PEX memory space access (bit 1). -* -* INPUT: -* pexIf - PEX interface number. -* dev - PEX device number. -* enable - Enable/disable parameter. -* -* OUTPUT: -* None. -* -* RETURN: -* MV_BAD_PARAM for bad parameters ,MV_ERROR on error ! otherwise MV_OK -* -*******************************************************************************/ -MV_STATUS mvPexSlaveEnable(MV_U32 pexIf, MV_U32 bus,MV_U32 dev, MV_BOOL enable) -{ - MV_U32 pexCommandStatus; - MV_U32 RegOffs; - - /* Parameter checking */ - if (pexIf >= mvCtrlPexMaxIfGet()) - { - mvOsPrintf("mvPexSlaveEnable: ERR. Invalid PEX interface %d\n", pexIf); - return MV_BAD_PARAM; - } - if (dev >= MAX_PEX_DEVICES) - { - mvOsPrintf("mvPexLocalDevNumSet: ERR. device number illigal %d\n", dev); - return MV_BAD_PARAM; - - } - - - RegOffs = PEX_STATUS_AND_COMMAND; - - pexCommandStatus = mvPexConfigRead(pexIf, bus, dev, 0, RegOffs); - - if (MV_TRUE == enable) - { - pexCommandStatus |= (PXSAC_IO_EN | PXSAC_MEM_EN); - } - else - { - pexCommandStatus &= ~(PXSAC_IO_EN | PXSAC_MEM_EN); - } - - mvPexConfigWrite(pexIf, bus, dev, 0, RegOffs, pexCommandStatus); - - return MV_OK; - -} - -/******************************************************************************* -* mvPexLocalBusNumSet - Set PEX interface local bus number. -* -* DESCRIPTION: -* This function sets given PEX interface its local bus number. -* Note: In case the PEX interface is PEX-X, the information is read-only. -* -* INPUT: -* pexIf - PEX interface number. -* busNum - Bus number. -* -* OUTPUT: -* None. -* -* RETURN: -* MV_NOT_ALLOWED in case PEX interface is PEX-X. -* MV_BAD_PARAM on bad parameters , -* otherwise MV_OK -* -*******************************************************************************/ -MV_STATUS mvPexLocalBusNumSet(MV_U32 pexIf, MV_U32 busNum) -{ - MV_U32 pexStatus; - MV_U32 localBus; - MV_U32 localDev; - - - /* Parameter checking */ - if (pexIf >= mvCtrlPexMaxIfGet()) - { - mvOsPrintf("mvPexLocalBusNumSet: ERR. Invalid PEX interface %d\n",pexIf); - return MV_BAD_PARAM; - } - if (busNum >= MAX_PEX_BUSSES) - { - mvOsPrintf("mvPexLocalBusNumSet: ERR. bus number illigal %d\n", busNum); - return MV_ERROR; - - } - - localBus = mvPexLocalBusNumGet(pexIf); - localDev = mvPexLocalDevNumGet(pexIf); - - - - pexStatus = MV_REG_READ(PEX_STATUS_REG(pexIf)); - - pexStatus &= ~PXSR_PEX_BUS_NUM_MASK; - - pexStatus |= (busNum << PXSR_PEX_BUS_NUM_OFFS) & PXSR_PEX_BUS_NUM_MASK; - - MV_REG_WRITE(PEX_STATUS_REG(pexIf), pexStatus); - - - return MV_OK; -} - - -/******************************************************************************* -* mvPexLocalBusNumGet - Get PEX interface local bus number. -* -* DESCRIPTION: -* This function gets the local bus number of a given PEX interface. -* -* INPUT: -* pexIf - PEX interface number. -* -* OUTPUT: -* None. -* -* RETURN: -* Local bus number.0xffffffff on Error -* -*******************************************************************************/ -MV_U32 mvPexLocalBusNumGet(MV_U32 pexIf) -{ - MV_U32 pexStatus; - - /* Parameter checking */ - if (PEX_DEFAULT_IF != pexIf) - { - if (pexIf >= mvCtrlPexMaxIfGet()) - { - mvOsPrintf("mvPexLocalBusNumGet: ERR. Invalid PEX interface %d\n",pexIf); - return 0xFFFFFFFF; - } - } - - - pexStatus = MV_REG_READ(PEX_STATUS_REG(pexIf)); - - pexStatus &= PXSR_PEX_BUS_NUM_MASK; - - return (pexStatus >> PXSR_PEX_BUS_NUM_OFFS); - -} - - -/******************************************************************************* -* mvPexLocalDevNumSet - Set PEX interface local device number. -* -* DESCRIPTION: -* This function sets given PEX interface its local device number. -* Note: In case the PEX interface is PEX-X, the information is read-only. -* -* INPUT: -* pexIf - PEX interface number. -* devNum - Device number. -* -* OUTPUT: -* None. -* -* RETURN: -* MV_NOT_ALLOWED in case PEX interface is PEX-X. -* MV_BAD_PARAM on bad parameters , -* otherwise MV_OK -* -*******************************************************************************/ -MV_STATUS mvPexLocalDevNumSet(MV_U32 pexIf, MV_U32 devNum) -{ - MV_U32 pexStatus; - MV_U32 localBus; - MV_U32 localDev; - - /* Parameter checking */ - if (pexIf >= mvCtrlPexMaxIfGet()) - { - mvOsPrintf("mvPexLocalDevNumSet: ERR. Invalid PEX interface %d\n",pexIf); - return MV_BAD_PARAM; - } - if (devNum >= MAX_PEX_DEVICES) - { - mvOsPrintf("mvPexLocalDevNumSet: ERR. device number illigal %d\n", - devNum); - return MV_BAD_PARAM; - - } - - localBus = mvPexLocalBusNumGet(pexIf); - localDev = mvPexLocalDevNumGet(pexIf); - - - pexStatus = MV_REG_READ(PEX_STATUS_REG(pexIf)); - - pexStatus &= ~PXSR_PEX_DEV_NUM_MASK; - - pexStatus |= (devNum << PXSR_PEX_DEV_NUM_OFFS) & PXSR_PEX_DEV_NUM_MASK; - - MV_REG_WRITE(PEX_STATUS_REG(pexIf), pexStatus); - - - return MV_OK; -} - -/******************************************************************************* -* mvPexLocalDevNumGet - Get PEX interface local device number. -* -* DESCRIPTION: -* This function gets the local device number of a given PEX interface. -* -* INPUT: -* pexIf - PEX interface number. -* -* OUTPUT: -* None. -* -* RETURN: -* Local device number. 0xffffffff on Error -* -*******************************************************************************/ -MV_U32 mvPexLocalDevNumGet(MV_U32 pexIf) -{ - MV_U32 pexStatus; - - /* Parameter checking */ - - if (PEX_DEFAULT_IF != pexIf) - { - if (pexIf >= mvCtrlPexMaxIfGet()) - { - mvOsPrintf("mvPexLocalDevNumGet: ERR. Invalid PEX interface %d\n", - pexIf); - return 0xFFFFFFFF; - } - } - - pexStatus = MV_REG_READ(PEX_STATUS_REG(pexIf)); - - pexStatus &= PXSR_PEX_DEV_NUM_MASK; - - return (pexStatus >> PXSR_PEX_DEV_NUM_OFFS); -} - -MV_VOID mvPexPhyRegRead(MV_U32 pexIf, MV_U32 regOffset, MV_U16 *value) -{ - - MV_U32 regAddr; - if (pexIf >= mvCtrlPexMaxIfGet()) - { - mvOsPrintf("mvPexPhyRegRead: ERR. Invalid PEX interface %d\n", pexIf); - return; - } - regAddr = (BIT31 | ((regOffset & 0x3fff) << 16)); - MV_REG_WRITE(PEX_PHY_ACCESS_REG(pexIf), regAddr); - *value = MV_REG_READ(PEX_PHY_ACCESS_REG(pexIf)); -} - - -MV_VOID mvPexPhyRegWrite(MV_U32 pexIf, MV_U32 regOffset, MV_U16 value) -{ - - MV_U32 regAddr; - if(pexIf >= mvCtrlPexMaxIfGet()) - { - mvOsPrintf("mvPexPhyRegWrite: ERR. Invalid PEX interface %d\n", pexIf); - return; - } - regAddr = (((regOffset & 0x3fff) << 16) | value); - MV_REG_WRITE(PEX_PHY_ACCESS_REG(pexIf), regAddr); -} - -/******************************************************************************* -* mvPexActiveStateLinkPMEnable -* -* DESCRIPTION: -* Enable Active Link State Power Management -* -* INPUT: -* pexIf - PEX interface number. -* enable - MV_TRUE to enable ASPM, MV_FALSE to disable. -* -* OUTPUT: -* None -* -* RETURN: -* MV_OK on success , MV_ERROR otherwise -* -*******************************************************************************/ -MV_STATUS mvPexActiveStateLinkPMEnable(MV_U32 pexIf, MV_BOOL enable) -{ - MV_U32 reg; - - if(pexIf >= mvCtrlPexMaxIfGet()) - { - mvOsPrintf("mvPexActiveStateLinkPMEnable: ERR. Invalid PEX interface %d\n", pexIf); - return MV_ERROR; - } - - reg = MV_REG_READ(PEX_PWR_MNG_EXT_REG(pexIf)) & ~PXPMER_L1_ASPM_EN_MASK; - if(enable == MV_TRUE) - reg |= PXPMER_L1_ASPM_EN_MASK; - MV_REG_WRITE(PEX_PWR_MNG_EXT_REG(pexIf), reg); - - /* Enable / Disable L0/1 entry */ - reg = MV_REG_READ(PEX_CFG_DIRECT_ACCESS(pexIf, PEX_LINK_CTRL_STAT_REG)) - & ~PXLCSR_ASPM_CNT_MASK; - if(enable == MV_TRUE) - reg |= PXLCSR_ASPM_CNT_L0S_L1S_ENT_SUPP; - MV_REG_WRITE(PEX_CFG_DIRECT_ACCESS(pexIf, PEX_LINK_CTRL_STAT_REG), reg); - - return MV_OK; -} - - -/******************************************************************************* -* mvPexForceX1 -* -* DESCRIPTION: -* shut down lanes 1-3 if recognize that attached to an x1 end-point -* INPUT: -* pexIf - PEX interface number. -* -* OUTPUT: -* None -* -* RETURN: -* MV_OK on success , MV_ERROR otherwise -* -*******************************************************************************/ -MV_U32 mvPexForceX1(MV_U32 pexIf) -{ - MV_U32 regData = 0; - if(pexIf >= mvCtrlPexMaxIfGet()) - { - mvOsPrintf("mvPexForceX1: ERR. Invalid PEX interface %d\n", pexIf); - return MV_BAD_PARAM; - } - - regData = MV_REG_READ(PEX_CTRL_REG(pexIf)) & ~(PXCR_CONF_LINK_MASK) ; - regData |= PXCR_CONF_LINK_X1; - - MV_REG_WRITE(PEX_CTRL_REG(pexIf), regData); - return MV_OK; -} - -MV_BOOL mvPexIsPowerUp(MV_U32 pexIf) -{ - if(pexIf >= mvCtrlPexMaxIfGet()) - { - mvOsPrintf("mvPexIsPowerUp: ERR. Invalid PEX interface %d\n", pexIf); - return MV_FALSE; - } - return mvCtrlPwrClckGet(PEX_UNIT_ID, pexIf); -} - - -MV_VOID mvPexPowerDown(MV_U32 pexIf) -{ - if ( (mvCtrlModelGet() == MV_78XX0_DEV_ID) || - (mvCtrlModelGet() == MV_76100_DEV_ID) || - (mvCtrlModelGet() == MV_78100_DEV_ID) || - (mvCtrlModelGet() == MV_78200_DEV_ID) ) - { - mvCtrlPwrClckSet(PEX_UNIT_ID, pexIf, MV_FALSE); - } - else - { - MV_REG_WRITE((0x41B00 -(pexIf)*0x10000), 0x20800087); - } -} - - - |