diff options
Diffstat (limited to 'target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/pci/mvPci.c')
| -rw-r--r-- | target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/pci/mvPci.c | 1047 |
1 files changed, 0 insertions, 1047 deletions
diff --git a/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/pci/mvPci.c b/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/pci/mvPci.c deleted file mode 100644 index 4a087343de..0000000000 --- a/target/linux/generic/files/crypto/ocf/kirkwood/mvHal/mv_hal/pci/mvPci.c +++ /dev/null @@ -1,1047 +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 "pci/mvPci.h" - -#include "ctrlEnv/mvCtrlEnvLib.h" - -/* defines */ -#ifdef MV_DEBUG - #define DB(x) x -#else - #define DB(x) -#endif - - - -MV_VOID mvPciHalInit(MV_U32 pciIf, MV_PCI_MOD pciIfmod) -{ - if (MV_PCI_MOD_HOST == pciIfmod) - { - - mvPciLocalBusNumSet(pciIf, PCI_HOST_BUS_NUM(pciIf)); - mvPciLocalDevNumSet(pciIf, PCI_HOST_DEV_NUM(pciIf)); - - /* Local device master Enable */ - mvPciMasterEnable(pciIf, MV_TRUE); - - /* Local device slave Enable */ - mvPciSlaveEnable(pciIf, mvPciLocalBusNumGet(pciIf), - mvPciLocalDevNumGet(pciIf), MV_TRUE); - } - /* enable CPU-2-PCI ordering */ - MV_REG_BIT_SET(PCI_CMD_REG(0), PCR_CPU_TO_PCI_ORDER_EN); -} - -/******************************************************************************* -* mvPciCommandSet - Set PCI comman register value. -* -* DESCRIPTION: -* This function sets a given PCI interface with its command register -* value. -* -* INPUT: -* pciIf - PCI interface number. -* command - 32bit value to be written to comamnd register. -* -* OUTPUT: -* None. -* -* RETURN: -* MV_BAD_PARAM if pciIf is not in range otherwise MV_OK -* -*******************************************************************************/ -MV_STATUS mvPciCommandSet(MV_U32 pciIf, MV_U32 command) -{ - MV_U32 locBusNum, locDevNum, regVal; - - locBusNum = mvPciLocalBusNumGet(pciIf); - locDevNum = mvPciLocalDevNumGet(pciIf); - - /* Parameter checking */ - if (pciIf >= mvCtrlPciMaxIfGet()) - { - mvOsPrintf("mvPciCommandSet: ERR. Invalid PCI IF num %d\n", pciIf); - return MV_BAD_PARAM; - } - - /* Set command register */ - MV_REG_WRITE(PCI_CMD_REG(pciIf), command); - - /* Upodate device max outstanding split tarnsaction */ - if ((command & PCR_CPU_TO_PCI_ORDER_EN) && - (command & PCR_PCI_TO_CPU_ORDER_EN)) - { - /* Read PCI-X command register */ - regVal = mvPciConfigRead (pciIf, locBusNum, locDevNum, 0, PCIX_COMMAND); - - /* clear bits 22:20 */ - regVal &= 0xff8fffff; - - /* set reset value */ - regVal |= (0x3 << 20); - - /* Write back the value */ - mvPciConfigWrite (pciIf, locBusNum, locDevNum, 0, PCIX_COMMAND, regVal); - } - - return MV_OK; - - -} - - -/******************************************************************************* -* mvPciModeGet - Get PCI interface mode. -* -* DESCRIPTION: -* This function returns the given PCI interface mode. -* -* INPUT: -* pciIf - PCI interface number. -* -* OUTPUT: -* pPciMode - Pointer to PCI mode structure. -* -* RETURN: -* MV_BAD_PARAM for bad parameters ,MV_ERROR on error ! otherwise MV_OK -* -*******************************************************************************/ -MV_STATUS mvPciModeGet(MV_U32 pciIf, MV_PCI_MODE *pPciMode) -{ - MV_U32 pciMode; - - /* Parameter checking */ - if (pciIf >= mvCtrlPciMaxIfGet()) - { - mvOsPrintf("mvPciModeGet: ERR. Invalid PCI interface %d\n", pciIf); - return MV_BAD_PARAM; - } - if (NULL == pPciMode) - { - mvOsPrintf("mvPciModeGet: ERR. pPciMode = NULL \n"); - return MV_BAD_PARAM; - } - - /* Read pci mode register */ - pciMode = MV_REG_READ(PCI_MODE_REG(pciIf)); - - switch (pciMode & PMR_PCI_MODE_MASK) - { - case PMR_PCI_MODE_CONV: - pPciMode->pciType = MV_PCI_CONV; - - if (MV_REG_READ(PCI_DLL_CTRL_REG(pciIf)) & PDC_DLL_EN) - { - pPciMode->pciSpeed = 66000000; /* 66MHZ */ - } - else - { - pPciMode->pciSpeed = 33000000; /* 33MHZ */ - } - - break; - - case PMR_PCI_MODE_PCIX_66MHZ: - pPciMode->pciType = MV_PCIX; - pPciMode->pciSpeed = 66000000; /* 66MHZ */ - break; - - case PMR_PCI_MODE_PCIX_100MHZ: - pPciMode->pciType = MV_PCIX; - pPciMode->pciSpeed = 100000000; /* 100MHZ */ - break; - - case PMR_PCI_MODE_PCIX_133MHZ: - pPciMode->pciType = MV_PCIX; - pPciMode->pciSpeed = 133000000; /* 133MHZ */ - break; - - default: - { - mvOsPrintf("mvPciModeGet: ERR. Non existing mode !!\n"); - return MV_ERROR; - } - } - - switch (pciMode & PMR_PCI_64_MASK) - { - case PMR_PCI_64_64BIT: - pPciMode->pciWidth = MV_PCI_64; - break; - - case PMR_PCI_64_32BIT: - pPciMode->pciWidth = MV_PCI_32; - break; - - default: - { - mvOsPrintf("mvPciModeGet: ERR. Non existing mode !!\n"); - return MV_ERROR; - } - } - - return MV_OK; -} - -/******************************************************************************* -* mvPciRetrySet - Set PCI retry counters -* -* DESCRIPTION: -* This function specifies the number of times the PCI controller -* retries a transaction before it quits. -* Applies to the PCI Master when acting as a requester. -* Applies to the PCI slave when acting as a completer (PCI-X mode). -* A 0x00 value means a "retry forever". -* -* INPUT: -* pciIf - PCI interface number. -* counter - Number of times PCI controller retry. Use counter value -* up to PRR_RETRY_CNTR_MAX. -* -* OUTPUT: -* None. -* -* RETURN: -* MV_BAD_PARAM for bad parameters ,MV_ERROR on error ! otherwise MV_OK -* -*******************************************************************************/ -MV_STATUS mvPciRetrySet(MV_U32 pciIf, MV_U32 counter) -{ - MV_U32 pciRetry; - - /* Parameter checking */ - if (pciIf >= mvCtrlPciMaxIfGet()) - { - mvOsPrintf("mvPciRetrySet: ERR. Invalid PCI interface %d\n", pciIf); - return MV_BAD_PARAM; - } - - if (counter >= PRR_RETRY_CNTR_MAX) - { - mvOsPrintf("mvPciRetrySet: ERR. Invalid counter: %d\n", counter); - return MV_BAD_PARAM; - - } - - /* Reading PCI retry register */ - pciRetry = MV_REG_READ(PCI_RETRY_REG(pciIf)); - - pciRetry &= ~PRR_RETRY_CNTR_MASK; - - pciRetry |= (counter << PRR_RETRY_CNTR_OFFS); - - /* write new value */ - MV_REG_WRITE(PCI_RETRY_REG(pciIf), pciRetry); - - return MV_OK; -} - - -/******************************************************************************* -* mvPciDiscardTimerSet - Set PCI discard timer -* -* DESCRIPTION: -* This function set PCI discard timer. -* In conventional PCI mode: -* Specifies the number of PCLK cycles the PCI slave keeps a non-accessed -* read buffers (non-completed delayed read) before invalidate the buffer. -* Set to '0' to disable the timer. The PCI slave waits for delayed -* read completion forever. -* In PCI-X mode: -* Specifies the number of PCLK cycles the PCI master waits for split -* completion transaction, before it invalidates the pre-allocated read -* buffer. -* Set to '0' to disable the timer. The PCI master waits for split -* completion forever. -* NOTE: Must be set to a number greater than MV_PCI_MAX_DISCARD_CLK, -* unless using the "wait for ever" setting 0x0. -* NOTE: Must not be updated while there are pending read requests. -* -* INPUT: -* pciIf - PCI interface number. -* pClkCycles - Number of PCI clock cycles. -* -* OUTPUT: -* None. -* -* RETURN: -* MV_BAD_PARAM for bad parameters ,MV_ERROR on error ! otherwise MV_OK -* -*******************************************************************************/ -MV_STATUS mvPciDiscardTimerSet(MV_U32 pciIf, MV_U32 pClkCycles) -{ - MV_U32 pciDiscardTimer; - - /* Parameter checking */ - if (pciIf >= mvCtrlPciMaxIfGet()) - { - mvOsPrintf("mvPciDiscardTimerSet: ERR. Invalid PCI interface %d\n", - pciIf); - return MV_BAD_PARAM; - } - - if (pClkCycles >= PDTR_TIMER_MIN) - { - mvOsPrintf("mvPciDiscardTimerSet: ERR. Invalid Clk value: %d\n", - pClkCycles); - return MV_BAD_PARAM; - - } - - /* Read PCI Discard Timer */ - pciDiscardTimer = MV_REG_READ(PCI_DISCARD_TIMER_REG(pciIf)); - - pciDiscardTimer &= ~PDTR_TIMER_MASK; - - pciDiscardTimer |= (pClkCycles << PDTR_TIMER_OFFS); - - /* Write new value */ - MV_REG_WRITE(PCI_DISCARD_TIMER_REG(pciIf), pciDiscardTimer); - - return MV_OK; - -} - -/* PCI Arbiter routines */ - -/******************************************************************************* -* mvPciArbEnable - PCI arbiter enable/disable -* -* DESCRIPTION: -* This fuction enable/disables a given PCI interface arbiter. -* NOTE: Arbiter setting can not be changed while in work. It should only -* be set once. -* INPUT: -* pciIf - PCI interface number. -* enable - Enable/disable parameter. If enable = MV_TRUE then enable. -* -* OUTPUT: -* None. -* -* RETURN: -* None. -* -*******************************************************************************/ -MV_STATUS mvPciArbEnable(MV_U32 pciIf, MV_BOOL enable) -{ - MV_U32 regVal; - - /* Parameter checking */ - if (pciIf >= mvCtrlPciMaxIfGet()) - { - mvOsPrintf("mvPciArbEnable: ERR. Invalid PCI interface %d\n", pciIf); - return MV_ERROR; - } - - /* Set PCI Arbiter Control register according to default configuration */ - regVal = MV_REG_READ(PCI_ARBITER_CTRL_REG(pciIf)); - - /* Make sure arbiter disabled before changing its values */ - MV_REG_BIT_RESET(PCI_ARBITER_CTRL_REG(pciIf), PACR_ARB_ENABLE); - - regVal &= ~PCI_ARBITER_CTRL_DEFAULT_MASK; - - regVal |= PCI_ARBITER_CTRL_DEFAULT; /* Set default configuration */ - - if (MV_TRUE == enable) - { - regVal |= PACR_ARB_ENABLE; - } - else - { - regVal &= ~PACR_ARB_ENABLE; - } - - /* Write to register */ - MV_REG_WRITE(PCI_ARBITER_CTRL_REG(pciIf), regVal); - - return MV_OK; -} - - -/******************************************************************************* -* mvPciArbParkDis - Disable arbiter parking on agent -* -* DESCRIPTION: -* This function disables the PCI arbiter from parking on the given agent -* list. -* -* INPUT: -* pciIf - PCI interface number. -* pciAgentMask - When a bit in the mask is set to '1', parking on -* the associated PCI master is disabled. Mask bit -* refers to bit 0 - 6. For example disable parking on PCI -* agent 3 set pciAgentMask 0x4 (bit 3 is set). -* -* OUTPUT: -* None. -* -* RETURN: -* None. -* -*******************************************************************************/ -MV_STATUS mvPciArbParkDis(MV_U32 pciIf, MV_U32 pciAgentMask) -{ - MV_U32 pciArbiterCtrl; - - /* Parameter checking */ - if (pciIf >= mvCtrlPciMaxIfGet()) - { - mvOsPrintf("mvPciArbParkDis: ERR. Invalid PCI interface %d\n", pciIf); - return MV_ERROR; - } - - /* Reading Arbiter Control register */ - pciArbiterCtrl = MV_REG_READ(PCI_ARBITER_CTRL_REG(pciIf)); - - /* Arbiter must be disabled before changing parking */ - MV_REG_BIT_RESET(PCI_ARBITER_CTRL_REG(pciIf), PACR_ARB_ENABLE); - - /* do the change */ - pciArbiterCtrl &= ~PACR_PARK_DIS_MASK; - pciArbiterCtrl |= (pciAgentMask << PACR_PARK_DIS_OFFS); - - /* writing new value ( if th earbiter was enabled before the change */ - /* here it will be reenabled */ - MV_REG_WRITE(PCI_ARBITER_CTRL_REG(pciIf), pciArbiterCtrl); - - return MV_OK; -} - - -/******************************************************************************* -* mvPciArbBrokDetectSet - Set PCI arbiter broken detection -* -* DESCRIPTION: -* This function sets the maximum number of cycles that the arbiter -* waits for a PCI master to respond to its grant assertion. If a -* PCI agent fails to respond within this time, the PCI arbiter aborts -* the transaction and performs a new arbitration cycle. -* NOTE: Value must be greater than '1' for conventional PCI and -* greater than '5' for PCI-X. -* -* INPUT: -* pciIf - PCI interface number. -* pClkCycles - Number of PCI clock cycles. If equal to '0' the broken -* master detection is disabled. -* -* OUTPUT: -* None. -* -* RETURN: -* MV_BAD_PARAM for bad parameters ,MV_ERROR on error ! otherwise MV_OK -* -*******************************************************************************/ -MV_STATUS mvPciArbBrokDetectSet(MV_U32 pciIf, MV_U32 pClkCycles) -{ - MV_U32 pciArbiterCtrl; - MV_U32 pciMode; - - /* Parameter checking */ - if (pciIf >= mvCtrlPciMaxIfGet()) - { - mvOsPrintf("mvPciArbBrokDetectSet: ERR. Invalid PCI interface %d\n", - pciIf); - return MV_BAD_PARAM; - } - - /* Checking PCI mode and if pClkCycles is legal value */ - pciMode = MV_REG_READ(PCI_MODE_REG(pciIf)); - pciMode &= PMR_PCI_MODE_MASK; - - if (PMR_PCI_MODE_CONV == pciMode) - { - if (pClkCycles < PACR_BROKEN_VAL_CONV_MIN) - return MV_ERROR; - } - else - { - if (pClkCycles < PACR_BROKEN_VAL_PCIX_MIN) - return MV_ERROR; - } - - pClkCycles <<= PACR_BROKEN_VAL_OFFS; - - /* Reading Arbiter Control register */ - pciArbiterCtrl = MV_REG_READ(PCI_ARBITER_CTRL_REG(pciIf)); - pciArbiterCtrl &= ~PACR_BROKEN_VAL_MASK; - pciArbiterCtrl |= pClkCycles; - - /* Arbiter must be disabled before changing broken detection */ - MV_REG_BIT_RESET(PCI_ARBITER_CTRL_REG(pciIf), PACR_ARB_ENABLE); - - /* writing new value ( if th earbiter was enabled before the change */ - /* here it will be reenabled */ - - MV_REG_WRITE(PCI_ARBITER_CTRL_REG(pciIf), pciArbiterCtrl); - - return MV_OK; -} - -/* PCI configuration space read write */ - -/******************************************************************************* -* mvPciConfigRead - Read from configuration space -* -* DESCRIPTION: -* This function performs a 32 bit read from PCI 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 mvPciLocalBusNumGet(). Other bus numbers -* will result configuration transaction of type 1 (over bridge). -* -* INPUT: -* pciIf - PCI interface number. -* bus - PCI segment bus number. -* dev - PCI device number. -* func - Function number. -* regOffs - Register offset. -* -* OUTPUT: -* None. -* -* RETURN: -* 32bit register data, 0xffffffff on error -* -*******************************************************************************/ -MV_U32 mvPciConfigRead (MV_U32 pciIf, MV_U32 bus, MV_U32 dev, MV_U32 func, - MV_U32 regOff) -{ - MV_U32 pciData = 0; - - /* Parameter checking */ - if (PCI_DEFAULT_IF != pciIf) - { - if (pciIf >= mvCtrlPciMaxIfGet()) - { - mvOsPrintf("mvPciConfigRead: ERR. Invalid PCI interface %d\n",pciIf); - return 0xFFFFFFFF; - } - } - - if (dev >= MAX_PCI_DEVICES) - { - DB(mvOsPrintf("mvPciConfigRead: ERR. device number illigal %d\n", dev)); - return 0xFFFFFFFF; - } - - if (func >= MAX_PCI_FUNCS) - { - DB(mvOsPrintf("mvPciConfigRead: ERR. function number illigal %d\n", func)); - return 0xFFFFFFFF; - } - - if (bus >= MAX_PCI_BUSSES) - { - DB(mvOsPrintf("mvPciConfigRead: ERR. bus number illigal %d\n", bus)); - return MV_ERROR; - } - - - /* Creating PCI address to be passed */ - pciData |= (bus << PCAR_BUS_NUM_OFFS); - pciData |= (dev << PCAR_DEVICE_NUM_OFFS); - pciData |= (func << PCAR_FUNC_NUM_OFFS); - pciData |= (regOff & PCAR_REG_NUM_MASK); - - pciData |= PCAR_CONFIG_EN; - - /* Write the address to the PCI configuration address register */ - MV_REG_WRITE(PCI_CONFIG_ADDR_REG(pciIf), pciData); - - /* In order to let the PCI controller absorbed the address of the read */ - /* transaction we perform a validity check that the address was written */ - if(pciData != MV_REG_READ(PCI_CONFIG_ADDR_REG(pciIf))) - { - return MV_ERROR; - } - /* Read the Data returned in the PCI Data register */ - pciData = MV_REG_READ(PCI_CONFIG_DATA_REG(pciIf)); - - return pciData; -} - -/******************************************************************************* -* mvPciConfigWrite - Write to configuration space -* -* DESCRIPTION: -* This function performs a 32 bit write to PCI 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 mvPciLocalBusNumGet(). Other bus numbers -* will result configuration transaction of type 1 (over bridge). -* -* INPUT: -* pciIf - PCI interface number. -* bus - PCI segment bus number. -* dev - PCI 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 mvPciConfigWrite(MV_U32 pciIf, MV_U32 bus, MV_U32 dev, - MV_U32 func, MV_U32 regOff, MV_U32 data) -{ - MV_U32 pciData = 0; - - /* Parameter checking */ - if (PCI_DEFAULT_IF != pciIf) - { - if (pciIf >= mvCtrlPciMaxIfGet()) - { - mvOsPrintf("mvPciConfigWrite: ERR. Invalid PCI interface %d\n", - pciIf); - return 0xFFFFFFFF; - } - } - - if (dev >= MAX_PCI_DEVICES) - { - mvOsPrintf("mvPciConfigWrite: ERR. device number illigal %d\n",dev); - return MV_BAD_PARAM; - } - - if (func >= MAX_PCI_FUNCS) - { - mvOsPrintf("mvPciConfigWrite: ERR. function number illigal %d\n", func); - return MV_ERROR; - } - - if (bus >= MAX_PCI_BUSSES) - { - mvOsPrintf("mvPciConfigWrite: ERR. bus number illigal %d\n", bus); - return MV_ERROR; - } - - /* Creating PCI address to be passed */ - pciData |= (bus << PCAR_BUS_NUM_OFFS); - pciData |= (dev << PCAR_DEVICE_NUM_OFFS); - pciData |= (func << PCAR_FUNC_NUM_OFFS); - pciData |= (regOff & PCAR_REG_NUM_MASK); - - pciData |= PCAR_CONFIG_EN; - - /* Write the address to the PCI configuration address register */ - MV_REG_WRITE(PCI_CONFIG_ADDR_REG(pciIf), pciData); - - /* In order to let the PCI controller absorbed the address of the read */ - /* transaction we perform a validity check that the address was written */ - if(pciData != MV_REG_READ(PCI_CONFIG_ADDR_REG(pciIf))) - { - return MV_ERROR; - } - - /* Write the Data passed to the PCI Data register */ - MV_REG_WRITE(PCI_CONFIG_DATA_REG(pciIf), data); - - return MV_OK; -} - -/******************************************************************************* -* mvPciMasterEnable - Enable/disale PCI interface master transactions. -* -* DESCRIPTION: -* This function performs read modified write to PCI command status -* (offset 0x4) to set/reset bit 2. After this bit is set, the PCI -* master is allowed to gain ownership on the bus, otherwise it is -* incapable to do so. -* -* INPUT: -* pciIf - PCI interface number. -* enable - Enable/disable parameter. -* -* OUTPUT: -* None. -* -* RETURN: -* MV_BAD_PARAM for bad parameters ,MV_ERROR on error ! otherwise MV_OK -* -*******************************************************************************/ -MV_STATUS mvPciMasterEnable(MV_U32 pciIf, MV_BOOL enable) -{ - MV_U32 pciCommandStatus; - MV_U32 RegOffs; - MV_U32 localBus; - MV_U32 localDev; - - /* Parameter checking */ - if (pciIf >= mvCtrlPciMaxIfGet()) - { - mvOsPrintf("mvPciMasterEnable: ERR. Invalid PCI interface %d\n", pciIf); - return MV_ERROR; - } - - localBus = mvPciLocalBusNumGet(pciIf); - localDev = mvPciLocalDevNumGet(pciIf); - - RegOffs = PCI_STATUS_AND_COMMAND; - - pciCommandStatus = mvPciConfigRead(pciIf, localBus, localDev, 0, RegOffs); - - if (MV_TRUE == enable) - { - pciCommandStatus |= PSCR_MASTER_EN; - } - else - { - pciCommandStatus &= ~PSCR_MASTER_EN; - } - - mvPciConfigWrite(pciIf, localBus, localDev, 0, RegOffs, pciCommandStatus); - - return MV_OK; -} - - -/******************************************************************************* -* mvPciSlaveEnable - Enable/disale PCI interface slave transactions. -* -* DESCRIPTION: -* This function performs read modified write to PCI command status -* (offset 0x4) to set/reset bit 0 and 1. After those bits are set, -* the PCI slave is allowed to respond to PCI IO space access (bit 0) -* and PCI memory space access (bit 1). -* -* INPUT: -* pciIf - PCI interface number. -* dev - PCI device number. -* enable - Enable/disable parameter. -* -* OUTPUT: -* None. -* -* RETURN: -* MV_BAD_PARAM for bad parameters ,MV_ERROR on error ! otherwise MV_OK -* -*******************************************************************************/ -MV_STATUS mvPciSlaveEnable(MV_U32 pciIf, MV_U32 bus, MV_U32 dev, MV_BOOL enable) -{ - MV_U32 pciCommandStatus; - MV_U32 RegOffs; - - /* Parameter checking */ - if (pciIf >= mvCtrlPciMaxIfGet()) - { - mvOsPrintf("mvPciSlaveEnable: ERR. Invalid PCI interface %d\n", pciIf); - return MV_BAD_PARAM; - } - if (dev >= MAX_PCI_DEVICES) - { - mvOsPrintf("mvPciLocalDevNumSet: ERR. device number illigal %d\n", dev); - return MV_BAD_PARAM; - - } - - RegOffs = PCI_STATUS_AND_COMMAND; - - pciCommandStatus=mvPciConfigRead(pciIf, bus, dev, 0, RegOffs); - - if (MV_TRUE == enable) - { - pciCommandStatus |= (PSCR_IO_EN | PSCR_MEM_EN); - } - else - { - pciCommandStatus &= ~(PSCR_IO_EN | PSCR_MEM_EN); - } - - mvPciConfigWrite(pciIf, bus, dev, 0, RegOffs, pciCommandStatus); - - return MV_OK; -} - -/******************************************************************************* -* mvPciLocalBusNumSet - Set PCI interface local bus number. -* -* DESCRIPTION: -* This function sets given PCI interface its local bus number. -* Note: In case the PCI interface is PCI-X, the information is read-only. -* -* INPUT: -* pciIf - PCI interface number. -* busNum - Bus number. -* -* OUTPUT: -* None. -* -* RETURN: -* MV_NOT_ALLOWED in case PCI interface is PCI-X. -* MV_BAD_PARAM on bad parameters , -* otherwise MV_OK -* -*******************************************************************************/ -MV_STATUS mvPciLocalBusNumSet(MV_U32 pciIf, MV_U32 busNum) -{ - MV_U32 pciP2PConfig; - MV_PCI_MODE pciMode; - MV_U32 localBus; - MV_U32 localDev; - - - /* Parameter checking */ - if (pciIf >= mvCtrlPciMaxIfGet()) - { - mvOsPrintf("mvPciLocalBusNumSet: ERR. Invalid PCI interface %d\n",pciIf); - return MV_BAD_PARAM; - } - if (busNum >= MAX_PCI_BUSSES) - { - mvOsPrintf("mvPciLocalBusNumSet: ERR. bus number illigal %d\n", busNum); - return MV_ERROR; - - } - - localBus = mvPciLocalBusNumGet(pciIf); - localDev = mvPciLocalDevNumGet(pciIf); - - - /* PCI interface mode */ - mvPciModeGet(pciIf, &pciMode); - - /* if PCI type is PCI-X then it is not allowed to change the dev number */ - if (MV_PCIX == pciMode.pciType) - { - pciP2PConfig = mvPciConfigRead(pciIf, localBus, localDev, 0, PCIX_STATUS ); - - pciP2PConfig &= ~PXS_BN_MASK; - - pciP2PConfig |= (busNum << PXS_BN_OFFS) & PXS_BN_MASK; - - mvPciConfigWrite(pciIf, localBus, localDev, 0, PCIX_STATUS,pciP2PConfig ); - - } - else - { - pciP2PConfig = MV_REG_READ(PCI_P2P_CONFIG_REG(pciIf)); - - pciP2PConfig &= ~PPCR_BUS_NUM_MASK; - - pciP2PConfig |= (busNum << PPCR_BUS_NUM_OFFS) & PPCR_BUS_NUM_MASK; - - MV_REG_WRITE(PCI_P2P_CONFIG_REG(pciIf), pciP2PConfig); - - } - - - return MV_OK; -} - - -/******************************************************************************* -* mvPciLocalBusNumGet - Get PCI interface local bus number. -* -* DESCRIPTION: -* This function gets the local bus number of a given PCI interface. -* -* INPUT: -* pciIf - PCI interface number. -* -* OUTPUT: -* None. -* -* RETURN: -* Local bus number.0xffffffff on Error -* -*******************************************************************************/ -MV_U32 mvPciLocalBusNumGet(MV_U32 pciIf) -{ - MV_U32 pciP2PConfig; - - /* Parameter checking */ - if (PCI_DEFAULT_IF != pciIf) - { - if (pciIf >= mvCtrlPciMaxIfGet()) - { - mvOsPrintf("mvPciLocalBusNumGet: ERR. Invalid PCI interface %d\n", - pciIf); - return 0xFFFFFFFF; - } - } - - pciP2PConfig = MV_REG_READ(PCI_P2P_CONFIG_REG(pciIf)); - pciP2PConfig &= PPCR_BUS_NUM_MASK; - return (pciP2PConfig >> PPCR_BUS_NUM_OFFS); -} - - -/******************************************************************************* -* mvPciLocalDevNumSet - Set PCI interface local device number. -* -* DESCRIPTION: -* This function sets given PCI interface its local device number. -* Note: In case the PCI interface is PCI-X, the information is read-only. -* -* INPUT: -* pciIf - PCI interface number. -* devNum - Device number. -* -* OUTPUT: -* None. -* -* RETURN: -* MV_NOT_ALLOWED in case PCI interface is PCI-X. MV_BAD_PARAM on bad parameters , -* otherwise MV_OK -* -*******************************************************************************/ -MV_STATUS mvPciLocalDevNumSet(MV_U32 pciIf, MV_U32 devNum) -{ - MV_U32 pciP2PConfig; - MV_PCI_MODE pciMode; - MV_U32 localBus; - MV_U32 localDev; - - /* Parameter checking */ - if (pciIf >= mvCtrlPciMaxIfGet()) - { - mvOsPrintf("mvPciLocalDevNumSet: ERR. Invalid PCI interface %d\n",pciIf); - return MV_BAD_PARAM; - } - if (devNum >= MAX_PCI_DEVICES) - { - mvOsPrintf("mvPciLocalDevNumSet: ERR. device number illigal %d\n", - devNum); - return MV_BAD_PARAM; - - } - - localBus = mvPciLocalBusNumGet(pciIf); - localDev = mvPciLocalDevNumGet(pciIf); - - /* PCI interface mode */ - mvPciModeGet(pciIf, &pciMode); - - /* if PCI type is PCIX then it is not allowed to change the dev number */ - if (MV_PCIX == pciMode.pciType) - { - pciP2PConfig = mvPciConfigRead(pciIf, localBus, localDev, 0, PCIX_STATUS ); - - pciP2PConfig &= ~PXS_DN_MASK; - - pciP2PConfig |= (devNum << PXS_DN_OFFS) & PXS_DN_MASK; - - mvPciConfigWrite(pciIf,localBus, localDev, 0, PCIX_STATUS,pciP2PConfig ); - } - else - { - pciP2PConfig = MV_REG_READ(PCI_P2P_CONFIG_REG(pciIf)); - - pciP2PConfig &= ~PPCR_DEV_NUM_MASK; - - pciP2PConfig |= (devNum << PPCR_DEV_NUM_OFFS) & PPCR_DEV_NUM_MASK; - - MV_REG_WRITE(PCI_P2P_CONFIG_REG(pciIf), pciP2PConfig); - } - - return MV_OK; -} - -/******************************************************************************* -* mvPciLocalDevNumGet - Get PCI interface local device number. -* -* DESCRIPTION: -* This function gets the local device number of a given PCI interface. -* -* INPUT: -* pciIf - PCI interface number. -* -* OUTPUT: -* None. -* -* RETURN: -* Local device number. 0xffffffff on Error -* -*******************************************************************************/ -MV_U32 mvPciLocalDevNumGet(MV_U32 pciIf) -{ - MV_U32 pciP2PConfig; - - /* Parameter checking */ - - if (PCI_DEFAULT_IF != pciIf) - { - if (pciIf >= mvCtrlPciMaxIfGet()) - { - mvOsPrintf("mvPciLocalDevNumGet: ERR. Invalid PCI interface %d\n", - pciIf); - return 0xFFFFFFFF; - } - } - - pciP2PConfig = MV_REG_READ(PCI_P2P_CONFIG_REG(pciIf)); - - pciP2PConfig &= PPCR_DEV_NUM_MASK; - - return (pciP2PConfig >> PPCR_DEV_NUM_OFFS); -} - - - - |