1 /*******************************************************************************
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12 ********************************************************************************
13 Marvell Commercial License Option
15 If you received this File from Marvell and you have entered into a commercial
16 license agreement (a "Commercial License") with Marvell, the File is licensed
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19 ********************************************************************************
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23 modify this File in accordance with the terms and conditions of the General
24 Public License Version 2, June 1991 (the "GPL License"), a copy of which is
25 available along with the File in the license.txt file or by writing to the Free
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29 THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED
30 WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY
31 DISCLAIMED. The GPL License provides additional details about this warranty
33 ********************************************************************************
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36 If you received this File from Marvell, you may opt to use, redistribute and/or
37 modify this File under the following licensing terms.
38 Redistribution and use in source and binary forms, with or without modification,
39 are permitted provided that the following conditions are met:
41 * Redistributions of source code must retain the above copyright notice,
42 this list of conditions and the following disclaimer.
44 * Redistributions in binary form must reproduce the above copyright
45 notice, this list of conditions and the following disclaimer in the
46 documentation and/or other materials provided with the distribution.
48 * Neither the name of Marvell nor the names of its contributors may be
49 used to endorse or promote products derived from this software without
50 specific prior written permission.
52 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
53 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
54 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
55 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
56 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
57 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
58 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
59 ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
60 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
61 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
63 *******************************************************************************/
65 /*******************************************************************************
66 * mvCtrlEnvAddrDec.h - Marvell controller address decode library
73 *******************************************************************************/
76 #include "ctrlEnv/mvCtrlEnvAddrDec.h"
77 #include "ctrlEnv/sys/mvAhbToMbusRegs.h"
78 #include "ddr2/mvDramIfRegs.h"
79 #include "pex/mvPexRegs.h"
90 /* Default Attributes array */
91 MV_TARGET_ATTRIB mvTargetDefaultsArray
[] = TARGETS_DEF_ARRAY
;
92 extern MV_TARGET
*sampleAtResetTargetArray
;
93 /* Dram\AHBToMbus\PEX share regsiter */
95 #define CTRL_DEC_BASE_OFFS 16
96 #define CTRL_DEC_BASE_MASK (0xffff << CTRL_DEC_BASE_OFFS)
97 #define CTRL_DEC_BASE_ALIGNMENT 0x10000
99 #define CTRL_DEC_SIZE_OFFS 16
100 #define CTRL_DEC_SIZE_MASK (0xffff << CTRL_DEC_SIZE_OFFS)
101 #define CTRL_DEC_SIZE_ALIGNMENT 0x10000
103 #define CTRL_DEC_WIN_EN BIT0
107 /*******************************************************************************
108 * mvCtrlAddrDecToReg - Get address decode register format values
118 *******************************************************************************/
119 MV_STATUS
mvCtrlAddrDecToReg(MV_ADDR_WIN
*pAddrDecWin
, MV_DEC_REGS
*pAddrDecRegs
)
122 MV_U32 baseToReg
=0 , sizeToReg
=0;
124 /* BaseLow[31:16] => base register [31:16] */
125 baseToReg
= pAddrDecWin
->baseLow
& CTRL_DEC_BASE_MASK
;
127 /* Write to address decode Base Address Register */
128 pAddrDecRegs
->baseReg
&= ~CTRL_DEC_BASE_MASK
;
129 pAddrDecRegs
->baseReg
|= baseToReg
;
131 /* Get size register value according to window size */
132 sizeToReg
= ctrlSizeToReg(pAddrDecWin
->size
, CTRL_DEC_SIZE_ALIGNMENT
);
134 /* Size parameter validity check. */
141 pAddrDecRegs
->sizeReg
&= ~CTRL_DEC_SIZE_MASK
;
142 pAddrDecRegs
->sizeReg
|= (sizeToReg
<< CTRL_DEC_SIZE_OFFS
);
149 /*******************************************************************************
150 * mvCtrlRegToAddrDec - Extract address decode struct from registers.
153 * This function extract address decode struct from address decode
154 * registers given as parameters.
157 * pAddrDecRegs - Address decode register struct.
160 * pAddrDecWin - Target window data structure.
163 * MV_BAD_PARAM if address decode registers data is invalid.
165 *******************************************************************************/
166 MV_STATUS
mvCtrlRegToAddrDec(MV_DEC_REGS
*pAddrDecRegs
, MV_ADDR_WIN
*pAddrDecWin
)
170 sizeRegVal
= (pAddrDecRegs
->sizeReg
& CTRL_DEC_SIZE_MASK
) >>
173 pAddrDecWin
->size
= ctrlRegToSize(sizeRegVal
, CTRL_DEC_SIZE_ALIGNMENT
);
176 /* Extract base address */
177 /* Base register [31:16] ==> baseLow[31:16] */
178 pAddrDecWin
->baseLow
= pAddrDecRegs
->baseReg
& CTRL_DEC_BASE_MASK
;
180 pAddrDecWin
->baseHigh
= 0;
186 /*******************************************************************************
197 *******************************************************************************/
199 MV_STATUS
mvCtrlAttribGet(MV_TARGET target
,
200 MV_TARGET_ATTRIB
*targetAttrib
)
203 targetAttrib
->attrib
= mvTargetDefaultsArray
[MV_CHANGE_BOOT_CS(target
)].attrib
;
204 targetAttrib
->targetId
= mvTargetDefaultsArray
[MV_CHANGE_BOOT_CS(target
)].targetId
;
210 /*******************************************************************************
221 *******************************************************************************/
222 MV_TARGET
mvCtrlTargetGet(MV_TARGET_ATTRIB
*targetAttrib
)
226 for (target
= SDRAM_CS0
; target
< MAX_TARGETS
; target
++)
228 x
= MV_CHANGE_BOOT_CS(target
);
229 if ((mvTargetDefaultsArray
[x
].attrib
== targetAttrib
->attrib
) &&
230 (mvTargetDefaultsArray
[MV_CHANGE_BOOT_CS(target
)].targetId
== targetAttrib
->targetId
))
240 MV_STATUS
mvCtrlAddrDecToParams(MV_DEC_WIN
*pAddrDecWin
,
241 MV_DEC_WIN_PARAMS
*pWinParam
)
243 MV_U32 baseToReg
=0, sizeToReg
=0;
245 /* BaseLow[31:16] => base register [31:16] */
246 baseToReg
= pAddrDecWin
->addrWin
.baseLow
& CTRL_DEC_BASE_MASK
;
248 /* Write to address decode Base Address Register */
249 pWinParam
->baseAddr
&= ~CTRL_DEC_BASE_MASK
;
250 pWinParam
->baseAddr
|= baseToReg
;
252 /* Get size register value according to window size */
253 sizeToReg
= ctrlSizeToReg(pAddrDecWin
->addrWin
.size
, CTRL_DEC_SIZE_ALIGNMENT
);
255 /* Size parameter validity check. */
258 mvOsPrintf("mvCtrlAddrDecToParams: ERR. ctrlSizeToReg failed.\n");
261 pWinParam
->size
= sizeToReg
;
263 pWinParam
->attrib
= mvTargetDefaultsArray
[MV_CHANGE_BOOT_CS(pAddrDecWin
->target
)].attrib
;
264 pWinParam
->targetId
= mvTargetDefaultsArray
[MV_CHANGE_BOOT_CS(pAddrDecWin
->target
)].targetId
;
269 MV_STATUS
mvCtrlParamsToAddrDec(MV_DEC_WIN_PARAMS
*pWinParam
,
270 MV_DEC_WIN
*pAddrDecWin
)
272 MV_TARGET_ATTRIB targetAttrib
;
274 pAddrDecWin
->addrWin
.baseLow
= pWinParam
->baseAddr
;
276 /* Upper 32bit address base is supported under PCI High Address remap */
277 pAddrDecWin
->addrWin
.baseHigh
= 0;
279 /* Prepare sizeReg to ctrlRegToSize function */
280 pAddrDecWin
->addrWin
.size
= ctrlRegToSize(pWinParam
->size
, CTRL_DEC_SIZE_ALIGNMENT
);
282 if (-1 == pAddrDecWin
->addrWin
.size
)
284 DB(mvOsPrintf("mvCtrlParamsToAddrDec: ERR. ctrlRegToSize failed.\n"));
287 targetAttrib
.targetId
= pWinParam
->targetId
;
288 targetAttrib
.attrib
= pWinParam
->attrib
;
290 pAddrDecWin
->target
= mvCtrlTargetGet(&targetAttrib
);