+++ /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.
-
-*******************************************************************************/
-
-
-/* includes */
-
-#include "ddr2/mvDramIf.h"
-#include "ctrlEnv/sys/mvCpuIf.h"
-#include "ctrlEnv/sys/mvSysDram.h"
-
-/* #define MV_DEBUG */
-#ifdef MV_DEBUG
-#define DB(x) x
-#else
-#define DB(x)
-#endif
-
-static MV_BOOL sdramIfWinOverlap(MV_TARGET target, MV_ADDR_WIN *pAddrWin);
-
-/*******************************************************************************
-* mvDramIfWinSet - Set DRAM interface address decode window
-*
-* DESCRIPTION:
-* This function sets DRAM interface address decode window.
-*
-* INPUT:
-* target - System target. Use only SDRAM targets.
-* pAddrDecWin - SDRAM address window structure.
-*
-* OUTPUT:
-* None
-*
-* RETURN:
-* MV_BAD_PARAM if parameters are invalid or window is invalid, MV_OK
-* otherwise.
-*******************************************************************************/
-MV_STATUS mvDramIfWinSet(MV_TARGET target, MV_DRAM_DEC_WIN *pAddrDecWin)
-{
- MV_U32 baseReg=0,sizeReg=0;
- MV_U32 baseToReg=0 , sizeToReg=0;
-
- /* Check parameters */
- if (!MV_TARGET_IS_DRAM(target))
- {
- mvOsPrintf("mvDramIfWinSet: target %d is not SDRAM\n", target);
- return MV_BAD_PARAM;
- }
-
- /* Check if the requested window overlaps with current enabled windows */
- if (MV_TRUE == sdramIfWinOverlap(target, &pAddrDecWin->addrWin))
- {
- mvOsPrintf("mvDramIfWinSet: ERR. Target %d overlaps\n", target);
- return MV_BAD_PARAM;
- }
-
- /* check if address is aligned to the size */
- if(MV_IS_NOT_ALIGN(pAddrDecWin->addrWin.baseLow, pAddrDecWin->addrWin.size))
- {
- mvOsPrintf("mvDramIfWinSet:Error setting DRAM interface window %d."\
- "\nAddress 0x%08x is unaligned to size 0x%x.\n",
- target,
- pAddrDecWin->addrWin.baseLow,
- pAddrDecWin->addrWin.size);
- return MV_ERROR;
- }
-
- /* read base register*/
- baseReg = MV_REG_READ(SDRAM_BASE_ADDR_REG(0,target));
-
- /* read size register */
- sizeReg = MV_REG_READ(SDRAM_SIZE_REG(0,target));
-
- /* BaseLow[31:16] => base register [31:16] */
- baseToReg = pAddrDecWin->addrWin.baseLow & SCBAR_BASE_MASK;
-
- /* Write to address decode Base Address Register */
- baseReg &= ~SCBAR_BASE_MASK;
- baseReg |= baseToReg;
-
- /* Translate the given window size to register format */
- sizeToReg = ctrlSizeToReg(pAddrDecWin->addrWin.size, SCSR_SIZE_ALIGNMENT);
-
- /* Size parameter validity check. */
- if (-1 == sizeToReg)
- {
- mvOsPrintf("mvCtrlAddrDecToReg: ERR. Win %d size invalid.\n",target);
- return MV_BAD_PARAM;
- }
-
- /* set size */
- sizeReg &= ~SCSR_SIZE_MASK;
- /* Size is located at upper 16 bits */
- sizeReg |= (sizeToReg << SCSR_SIZE_OFFS);
-
- /* enable/Disable */
- if (MV_TRUE == pAddrDecWin->enable)
- {
- sizeReg |= SCSR_WIN_EN;
- }
- else
- {
- sizeReg &= ~SCSR_WIN_EN;
- }
-
- /* 3) Write to address decode Base Address Register */
- MV_REG_WRITE(SDRAM_BASE_ADDR_REG(0,target), baseReg);
-
- /* Write to address decode Size Register */
- MV_REG_WRITE(SDRAM_SIZE_REG(0,target), sizeReg);
-
- return MV_OK;
-}
-/*******************************************************************************
-* mvDramIfWinGet - Get DRAM interface address decode window
-*
-* DESCRIPTION:
-* This function gets DRAM interface address decode window.
-*
-* INPUT:
-* target - System target. Use only SDRAM targets.
-*
-* OUTPUT:
-* pAddrDecWin - SDRAM address window structure.
-*
-* RETURN:
-* MV_BAD_PARAM if parameters are invalid or window is invalid, MV_OK
-* otherwise.
-*******************************************************************************/
-MV_STATUS mvDramIfWinGet(MV_TARGET target, MV_DRAM_DEC_WIN *pAddrDecWin)
-{
- MV_U32 baseReg,sizeReg;
- MV_U32 sizeRegVal;
- /* Check parameters */
- if (!MV_TARGET_IS_DRAM(target))
- {
- mvOsPrintf("mvDramIfWinGet: target %d is Illigal\n", target);
- return MV_ERROR;
- }
-
- /* Read base and size registers */
- sizeReg = MV_REG_READ(SDRAM_SIZE_REG(0,target));
- baseReg = MV_REG_READ(SDRAM_BASE_ADDR_REG(0,target));
-
- sizeRegVal = (sizeReg & SCSR_SIZE_MASK) >> SCSR_SIZE_OFFS;
-
- pAddrDecWin->addrWin.size = ctrlRegToSize(sizeRegVal,
- SCSR_SIZE_ALIGNMENT);
-
- /* Check if ctrlRegToSize returned OK */
- if (-1 == pAddrDecWin->addrWin.size)
- {
- mvOsPrintf("mvDramIfWinGet: size of target %d is Illigal\n", target);
- return MV_ERROR;
- }
-
- /* Extract base address */
- /* Base register [31:16] ==> baseLow[31:16] */
- pAddrDecWin->addrWin.baseLow = baseReg & SCBAR_BASE_MASK;
-
- pAddrDecWin->addrWin.baseHigh = 0;
-
-
- if (sizeReg & SCSR_WIN_EN)
- {
- pAddrDecWin->enable = MV_TRUE;
- }
- else
- {
- pAddrDecWin->enable = MV_FALSE;
- }
-
- return MV_OK;
-}
-/*******************************************************************************
-* mvDramIfWinEnable - Enable/Disable SDRAM address decode window
-*
-* DESCRIPTION:
-* This function enable/Disable SDRAM address decode window.
-*
-* INPUT:
-* target - System target. Use only SDRAM targets.
-*
-* OUTPUT:
-* None.
-*
-* RETURN:
-* MV_ERROR in case function parameter are invalid, MV_OK otherewise.
-*
-*******************************************************************************/
-MV_STATUS mvDramIfWinEnable(MV_TARGET target, MV_BOOL enable)
-{
- MV_DRAM_DEC_WIN addrDecWin;
-
- /* Check parameters */
- if (!MV_TARGET_IS_DRAM(target))
- {
- mvOsPrintf("mvDramIfWinEnable: target %d is Illigal\n", target);
- return MV_ERROR;
- }
-
- if (enable == MV_TRUE)
- { /* First check for overlap with other enabled windows */
- if (MV_OK != mvDramIfWinGet(target, &addrDecWin))
- {
- mvOsPrintf("mvDramIfWinEnable:ERR. Getting target %d failed.\n",
- target);
- return MV_ERROR;
- }
- /* Check for overlapping */
- if (MV_FALSE == sdramIfWinOverlap(target, &(addrDecWin.addrWin)))
- {
- /* No Overlap. Enable address decode winNum window */
- MV_REG_BIT_SET(SDRAM_SIZE_REG(0,target), SCSR_WIN_EN);
- }
- else
- { /* Overlap detected */
- mvOsPrintf("mvDramIfWinEnable: ERR. Target %d overlap detect\n",
- target);
- return MV_ERROR;
- }
- }
- else
- { /* Disable address decode winNum window */
- MV_REG_BIT_RESET(SDRAM_SIZE_REG(0, target), SCSR_WIN_EN);
- }
-
- return MV_OK;
-}
-
-/*******************************************************************************
-* sdramIfWinOverlap - Check if an address window overlap an SDRAM address window
-*
-* DESCRIPTION:
-* This function scan each SDRAM address decode window to test if it
-* overlapps the given address windoow
-*
-* INPUT:
-* target - SDRAM target where the function skips checking.
-* pAddrDecWin - The tested address window for overlapping with
-* SDRAM windows.
-*
-* OUTPUT:
-* None.
-*
-* RETURN:
-* MV_TRUE if the given address window overlaps any enabled address
-* decode map, MV_FALSE otherwise.
-*
-*******************************************************************************/
-static MV_BOOL sdramIfWinOverlap(MV_TARGET target, MV_ADDR_WIN *pAddrWin)
-{
- MV_TARGET targetNum;
- MV_DRAM_DEC_WIN addrDecWin;
-
- for(targetNum = SDRAM_CS0; targetNum < MV_DRAM_MAX_CS ; targetNum++)
- {
- /* don't check our winNum or illegal targets */
- if (targetNum == target)
- {
- continue;
- }
-
- /* Get window parameters */
- if (MV_OK != mvDramIfWinGet(targetNum, &addrDecWin))
- {
- mvOsPrintf("sdramIfWinOverlap: ERR. TargetWinGet failed\n");
- return MV_ERROR;
- }
-
- /* Do not check disabled windows */
- if (MV_FALSE == addrDecWin.enable)
- {
- continue;
- }
-
- if(MV_TRUE == ctrlWinOverlapTest(pAddrWin, &addrDecWin.addrWin))
- {
- mvOsPrintf(
- "sdramIfWinOverlap: Required target %d overlap winNum %d\n",
- target, targetNum);
- return MV_TRUE;
- }
- }
-
- return MV_FALSE;
-}
-
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