+++ /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 "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);
-}
-
-
-
-
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