+++ /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/mvSysTs.h"
-
-
-typedef struct _mvTsuDecWin
-{
- MV_TARGET target;
- MV_ADDR_WIN addrWin; /* An address window*/
- MV_BOOL enable; /* Address decode window is enabled/disabled */
-
-}MV_TSU_DEC_WIN;
-
-
-MV_TARGET tsuAddrDecPrioTap[] =
-{
-#if defined(MV_INCLUDE_PEX)
- PEX0_MEM,
-#endif
-#if defined(MV_INCLUDE_PCI)
- PCI0_MEM,
-#endif
-#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
-#if defined(MV_INCLUDE_PCI)
- PCI0_IO,
-#endif
- TBL_TERM
-};
-
-static MV_STATUS tsuWinOverlapDetect(MV_U32 winNum, MV_ADDR_WIN *pAddrWin);
-static MV_STATUS mvTsuWinSet(MV_U32 winNum, MV_TSU_DEC_WIN *pAddrDecWin);
-static MV_STATUS mvTsuWinGet(MV_U32 winNum, MV_TSU_DEC_WIN *pAddrDecWin);
-MV_STATUS mvTsuWinEnable(MV_U32 winNum,MV_BOOL enable);
-
-/*******************************************************************************
-* mvTsuWinInit
-*
-* DESCRIPTION:
-* Initialize the TSU unit address decode windows.
-*
-* INPUT:
-* None.
-* OUTPUT:
-* None.
-* RETURN:
-* MV_OK - on success,
-*
-*******************************************************************************/
-MV_STATUS mvTsuWinInit(void)
-{
- MV_U32 winNum, status, winPrioIndex=0;
- MV_TSU_DEC_WIN tsuWin;
- MV_CPU_DEC_WIN cpuAddrDecWin;
-
- /* First disable all address decode windows */
- for(winNum = 0; winNum < TSU_MAX_DECODE_WIN; winNum++)
- {
- MV_REG_BIT_RESET(MV_TSU_WIN_CTRL_REG(winNum),
- TSU_WIN_CTRL_EN_MASK);
- }
-
- /* Go through all windows in user table until table terminator */
- for(winNum = 0; ((tsuAddrDecPrioTap[winPrioIndex] != TBL_TERM) &&
- (winNum < TSU_MAX_DECODE_WIN));)
- {
- /* first get attributes from CPU If */
- status = mvCpuIfTargetWinGet(tsuAddrDecPrioTap[winPrioIndex],
- &cpuAddrDecWin);
-
- if(MV_NO_SUCH == status)
- {
- winPrioIndex++;
- continue;
- }
- if(MV_OK != status)
- {
- mvOsPrintf("mvTsuWinInit: ERR. mvCpuIfTargetWinGet failed\n");
- return MV_ERROR;
- }
-
- if (cpuAddrDecWin.enable == MV_TRUE)
- {
- tsuWin.addrWin.baseHigh = cpuAddrDecWin.addrWin.baseHigh;
- tsuWin.addrWin.baseLow = cpuAddrDecWin.addrWin.baseLow;
- tsuWin.addrWin.size = cpuAddrDecWin.addrWin.size;
- tsuWin.enable = MV_TRUE;
- tsuWin.target = tsuAddrDecPrioTap[winPrioIndex];
-
- if(MV_OK != mvTsuWinSet(winNum, &tsuWin))
- {
- mvOsPrintf("mvTsuWinInit: ERR. mvTsuWinSet failed winNum=%d\n",
- winNum);
- return MV_ERROR;
- }
- winNum++;
- }
- winPrioIndex ++;
- }
-
- return MV_OK;
-}
-
-
-/*******************************************************************************
-* mvTsuWinSet
-*
-* 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 TSU will be able to access the
-* target within the address window.
-*
-* INPUT:
-* winNum - TSU to target address decode window number.
-* pAddrDecWin - TSU 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 mvTsuWinSet(MV_U32 winNum, MV_TSU_DEC_WIN *pAddrDecWin)
-{
- MV_TARGET_ATTRIB targetAttribs;
- MV_DEC_REGS decRegs;
-
- /* Parameter checking */
- if(winNum >= TSU_MAX_DECODE_WIN)
- {
- mvOsPrintf("mvTsuWinSet: ERR. Invalid win num %d\n",winNum);
- return MV_BAD_PARAM;
- }
-
- /* Check if the requested window overlapps with current windows */
- if(MV_TRUE == tsuWinOverlapDetect(winNum, &pAddrDecWin->addrWin))
- {
- mvOsPrintf("mvTsuWinSet: 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("mvTsuWinSet: Error setting TSU 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(MV_TSU_WIN_BASE_REG(winNum));
- decRegs.sizeReg = MV_REG_READ(MV_TSU_WIN_CTRL_REG(winNum));
-
- if(MV_OK != mvCtrlAddrDecToReg(&(pAddrDecWin->addrWin),&decRegs))
- {
- mvOsPrintf("mvTsuWinSet: mvCtrlAddrDecToReg Failed\n");
- return MV_ERROR;
- }
-
- mvCtrlAttribGet(pAddrDecWin->target,&targetAttribs);
-
- /* set attributes */
- decRegs.sizeReg &= ~TSU_WIN_CTRL_ATTR_MASK;
- decRegs.sizeReg |= targetAttribs.attrib << TSU_WIN_CTRL_ATTR_OFFS;
- /* set target ID */
- decRegs.sizeReg &= ~TSU_WIN_CTRL_TARGET_MASK;
- decRegs.sizeReg |= targetAttribs.targetId << TSU_WIN_CTRL_TARGET_OFFS;
-
- /* for the safe side we disable the window before writing the new */
- /* values */
- mvTsuWinEnable(winNum, MV_FALSE);
- MV_REG_WRITE(MV_TSU_WIN_CTRL_REG(winNum),decRegs.sizeReg);
-
- /* Write to address decode Size Register */
- MV_REG_WRITE(MV_TSU_WIN_BASE_REG(winNum), decRegs.baseReg);
-
- /* Enable address decode target window */
- if(pAddrDecWin->enable == MV_TRUE)
- {
- mvTsuWinEnable(winNum,MV_TRUE);
- }
-
- return MV_OK;
-}
-
-
-/*******************************************************************************
-* mvTsuWinGet
-*
-* DESCRIPTION:
-* Get TSU peripheral target address window.
-*
-* INPUT:
-* winNum - TSU to target address decode window number.
-*
-* OUTPUT:
-* pAddrDecWin - TSU target window data structure.
-*
-* RETURN:
-* MV_ERROR if register parameters are invalid.
-*
-*******************************************************************************/
-MV_STATUS mvTsuWinGet(MV_U32 winNum, MV_TSU_DEC_WIN *pAddrDecWin)
-{
- MV_DEC_REGS decRegs;
- MV_TARGET_ATTRIB targetAttrib;
-
- /* Parameter checking */
- if(winNum >= TSU_MAX_DECODE_WIN)
- {
- mvOsPrintf("mvTsuWinGet: ERR. Invalid winNum %d\n", winNum);
- return MV_NOT_SUPPORTED;
- }
-
- decRegs.baseReg = MV_REG_READ(MV_TSU_WIN_BASE_REG(winNum));
- decRegs.sizeReg = MV_REG_READ(MV_TSU_WIN_CTRL_REG(winNum));
-
- if(MV_OK != mvCtrlRegToAddrDec(&decRegs,&(pAddrDecWin->addrWin)))
- {
- mvOsPrintf("mvTsuWinGet: mvCtrlRegToAddrDec Failed \n");
- return MV_ERROR;
- }
-
- /* attrib and targetId */
- targetAttrib.attrib =
- (decRegs.sizeReg & TSU_WIN_CTRL_ATTR_MASK) >> TSU_WIN_CTRL_ATTR_OFFS;
- targetAttrib.targetId =
- (decRegs.sizeReg & TSU_WIN_CTRL_TARGET_MASK) >> TSU_WIN_CTRL_TARGET_OFFS;
-
- pAddrDecWin->target = mvCtrlTargetGet(&targetAttrib);
-
- /* Check if window is enabled */
- if((MV_REG_READ(MV_TSU_WIN_CTRL_REG(winNum)) & TSU_WIN_CTRL_EN_MASK))
- {
- pAddrDecWin->enable = MV_TRUE;
- }
- else
- {
- pAddrDecWin->enable = MV_FALSE;
- }
-
- return MV_OK;
-}
-
-
-/*******************************************************************************
-* mvTsuWinEnable
-*
-* DESCRIPTION:
-* This function enable/disable a TSU to target address window.
-* According to parameter 'enable' the routine will enable the
-* window, thus enabling TSU accesses (before enabling the window it is
-* tested for overlapping). Otherwise, the window will be disabled.
-*
-* INPUT:
-* winNum - TSU 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 mvTsuWinEnable(MV_U32 winNum,MV_BOOL enable)
-{
- MV_TSU_DEC_WIN addrDecWin;
-
- /* Parameter checking */
- if(winNum >= TSU_MAX_DECODE_WIN)
- {
- mvOsPrintf("mvTsuWinEnable: 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 != mvTsuWinGet(winNum,&addrDecWin))
- {
- mvOsPrintf("mvTsuWinEnable: ERR. targetWinGet fail\n");
- return MV_ERROR;
- }
- /* Check for overlapping. */
- if(MV_FALSE == tsuWinOverlapDetect(winNum,&(addrDecWin.addrWin)))
- {
- /* No Overlap. Enable address decode target window */
- MV_REG_BIT_SET(MV_TSU_WIN_CTRL_REG(winNum),
- TSU_WIN_CTRL_EN_MASK);
- }
- else
- {
- /* Overlap detected */
- mvOsPrintf("mvTsuWinEnable: ERR. Overlap detected\n");
- return MV_ERROR;
- }
- }
- else
- {
- /* Disable address decode target window */
- MV_REG_BIT_RESET(MV_TSU_WIN_CTRL_REG(winNum),
- TSU_WIN_CTRL_EN_MASK);
- }
- return MV_OK;
-}
-
-/*******************************************************************************
-* mvTsuWinTargetGet
-*
-* DESCRIPTION:
-* Get Window number associated with target
-*
-* INPUT:
-* target - Target ID to get the window number for.
-* OUTPUT:
-*
-* RETURN:
-* window number or 0xFFFFFFFF on error.
-*
-*******************************************************************************/
-MV_U32 mvTsuWinTargetGet(MV_TARGET target)
-{
- MV_TSU_DEC_WIN decWin;
- MV_U32 winNum;
-
- /* Check parameters */
- if(target >= MAX_TARGETS)
- {
- mvOsPrintf("mvTsuWinTargetGet: target %d is Illigal\n", target);
- return 0xffffffff;
- }
-
- for(winNum = 0; winNum < TSU_MAX_DECODE_WIN; winNum++)
- {
- if(mvTsuWinGet(winNum,&decWin) != MV_OK)
- {
- mvOsPrintf("mvTsuWinGet: window returned error\n");
- return 0xffffffff;
- }
-
- if (decWin.enable == MV_TRUE)
- {
- if(decWin.target == target)
- {
- return winNum;
- }
- }
- }
- return 0xFFFFFFFF;
-}
-
-
-/*******************************************************************************
-* tsuWinOverlapDetect
-*
-* DESCRIPTION:
-* Detect TSU address windows overlapping
-* An unpredicted behaviur is expected in case TSU address decode
-* windows overlapps.
-* This function detects TSU 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 tsuWinOverlapDetect(MV_U32 winNum, MV_ADDR_WIN *pAddrWin)
-{
- MV_U32 ctrlReg;
- MV_U32 winNumIndex;
- MV_TSU_DEC_WIN addrDecWin;
-
- for(winNumIndex = 0; winNumIndex < TSU_MAX_DECODE_WIN; winNumIndex++)
- {
- /* Do not check window itself */
- if(winNumIndex == winNum)
- {
- continue;
- }
-
- /* Do not check disabled windows */
- ctrlReg = MV_REG_READ(MV_TSU_WIN_CTRL_REG(winNumIndex));
- if((ctrlReg & TSU_WIN_CTRL_EN_MASK) == 0)
- {
- continue;
- }
-
- /* Get window parameters */
- if (MV_OK != mvTsuWinGet(winNumIndex, &addrDecWin))
- {
- mvOsPrintf("tsuWinOverlapDetect: ERR. mvTsuWinGet failed\n");
- return MV_ERROR;
- }
-
- if (MV_TRUE == ctrlWinOverlapTest(pAddrWin, &(addrDecWin.addrWin)))
- {
- return MV_TRUE;
- }
- }
- return MV_FALSE;
-}
-
-
-/*******************************************************************************
-* mvTsuAddrDecShow
-*
-* DESCRIPTION:
-* Print the TSU address decode map.
-*
-* INPUT:
-* None.
-*
-* OUTPUT:
-* None.
-*
-* RETURN:
-* None.
-*
-*******************************************************************************/
-void mvTsuAddrDecShow(void)
-{
- MV_TSU_DEC_WIN win;
- int i;
-
- if (MV_FALSE == mvCtrlPwrClckGet(TS_UNIT_ID, 0))
- return;
-
- mvOsOutput( "\n" );
- mvOsOutput( "TSU:\n");
- mvOsOutput( "----\n" );
-
- for(i = 0; i < TSU_MAX_DECODE_WIN; i++)
- {
- memset(&win, 0, sizeof(TSU_MAX_DECODE_WIN));
- mvOsOutput( "win%d - ", i );
-
- if(mvTsuWinGet(i, &win ) == MV_OK )
- {
- if(win.enable == MV_TRUE)
- {
- mvOsOutput("%s base %08x, ",
- mvCtrlTargetNameGet(win.target),
- win.addrWin.baseLow);
- mvOsOutput( "...." );
- mvSizePrint(win.addrWin.size );
- mvOsOutput( "\n" );
- }
- else
- {
- mvOsOutput( "disable\n" );
- }
- }
- }
- return;
-}
-
-
-/*******************************************************************************
-* mvTsuInit
-*
-* DESCRIPTION:
-* Initialize the TSU unit, and get unit out of reset.
-*
-* INPUT:
-* coreClock - The core clock at which the TSU should operate.
-* mode - The mode on configure the unit into (serial/parallel).
-* memHandle - Memory handle used for memory allocations.
-* OUTPUT:
-* None.
-* RETURN:
-* MV_OK - on success,
-*
-*******************************************************************************/
-MV_STATUS mvTsuInit(MV_TSU_CORE_CLOCK coreClock, MV_TSU_PORTS_MODE mode,
- void *osHandle)
-{
- MV_STATUS status;
-
- status = mvTsuWinInit();
- if(status == MV_OK)
- status = mvTsuHalInit(coreClock,mode,osHandle);
-
- return status;
-}
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