| 1 | /******************************************************************************* |
| 2 | Copyright (C) Marvell International Ltd. and its affiliates |
| 3 | |
| 4 | This software file (the "File") is owned and distributed by Marvell |
| 5 | International Ltd. and/or its affiliates ("Marvell") under the following |
| 6 | alternative licensing terms. Once you have made an election to distribute the |
| 7 | File under one of the following license alternatives, please (i) delete this |
| 8 | introductory statement regarding license alternatives, (ii) delete the two |
| 9 | license alternatives that you have not elected to use and (iii) preserve the |
| 10 | Marvell copyright notice above. |
| 11 | |
| 12 | ******************************************************************************** |
| 13 | Marvell Commercial License Option |
| 14 | |
| 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 |
| 17 | to you under the terms of the applicable Commercial License. |
| 18 | |
| 19 | ******************************************************************************** |
| 20 | Marvell GPL License Option |
| 21 | |
| 22 | If you received this File from Marvell, you may opt to use, redistribute and/or |
| 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 |
| 26 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or |
| 27 | on the worldwide web at http://www.gnu.org/licenses/gpl.txt. |
| 28 | |
| 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 |
| 32 | disclaimer. |
| 33 | ******************************************************************************** |
| 34 | Marvell BSD License Option |
| 35 | |
| 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: |
| 40 | |
| 41 | * Redistributions of source code must retain the above copyright notice, |
| 42 | this list of conditions and the following disclaimer. |
| 43 | |
| 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. |
| 47 | |
| 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. |
| 51 | |
| 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. |
| 62 | |
| 63 | *******************************************************************************/ |
| 64 | |
| 65 | /******************************************************************************* |
| 66 | * mvCtrlEnvAddrDec.h - Marvell controller address decode library |
| 67 | * |
| 68 | * DESCRIPTION: |
| 69 | * |
| 70 | * DEPENDENCIES: |
| 71 | * None. |
| 72 | * |
| 73 | *******************************************************************************/ |
| 74 | |
| 75 | /* includes */ |
| 76 | #include "ctrlEnv/mvCtrlEnvAddrDec.h" |
| 77 | #include "ctrlEnv/sys/mvAhbToMbusRegs.h" |
| 78 | #include "ddr2/mvDramIfRegs.h" |
| 79 | #include "pex/mvPexRegs.h" |
| 80 | |
| 81 | #define MV_DEBUG |
| 82 | |
| 83 | /* defines */ |
| 84 | #ifdef MV_DEBUG |
| 85 | #define DB(x) x |
| 86 | #else |
| 87 | #define DB(x) |
| 88 | #endif |
| 89 | |
| 90 | /* Default Attributes array */ |
| 91 | MV_TARGET_ATTRIB mvTargetDefaultsArray[] = TARGETS_DEF_ARRAY; |
| 92 | extern MV_TARGET *sampleAtResetTargetArray; |
| 93 | /* Dram\AHBToMbus\PEX share regsiter */ |
| 94 | |
| 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 |
| 98 | |
| 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 |
| 102 | |
| 103 | #define CTRL_DEC_WIN_EN BIT0 |
| 104 | |
| 105 | |
| 106 | |
| 107 | /******************************************************************************* |
| 108 | * mvCtrlAddrDecToReg - Get address decode register format values |
| 109 | * |
| 110 | * DESCRIPTION: |
| 111 | * |
| 112 | * INPUT: |
| 113 | * |
| 114 | * OUTPUT: |
| 115 | * |
| 116 | * RETURN: |
| 117 | * |
| 118 | *******************************************************************************/ |
| 119 | MV_STATUS mvCtrlAddrDecToReg(MV_ADDR_WIN *pAddrDecWin, MV_DEC_REGS *pAddrDecRegs) |
| 120 | { |
| 121 | |
| 122 | MV_U32 baseToReg=0 , sizeToReg=0; |
| 123 | |
| 124 | /* BaseLow[31:16] => base register [31:16] */ |
| 125 | baseToReg = pAddrDecWin->baseLow & CTRL_DEC_BASE_MASK; |
| 126 | |
| 127 | /* Write to address decode Base Address Register */ |
| 128 | pAddrDecRegs->baseReg &= ~CTRL_DEC_BASE_MASK; |
| 129 | pAddrDecRegs->baseReg |= baseToReg; |
| 130 | |
| 131 | /* Get size register value according to window size */ |
| 132 | sizeToReg = ctrlSizeToReg(pAddrDecWin->size, CTRL_DEC_SIZE_ALIGNMENT); |
| 133 | |
| 134 | /* Size parameter validity check. */ |
| 135 | if (-1 == sizeToReg) |
| 136 | { |
| 137 | return MV_BAD_PARAM; |
| 138 | } |
| 139 | |
| 140 | /* set size */ |
| 141 | pAddrDecRegs->sizeReg &= ~CTRL_DEC_SIZE_MASK; |
| 142 | pAddrDecRegs->sizeReg |= (sizeToReg << CTRL_DEC_SIZE_OFFS); |
| 143 | |
| 144 | |
| 145 | return MV_OK; |
| 146 | |
| 147 | } |
| 148 | |
| 149 | /******************************************************************************* |
| 150 | * mvCtrlRegToAddrDec - Extract address decode struct from registers. |
| 151 | * |
| 152 | * DESCRIPTION: |
| 153 | * This function extract address decode struct from address decode |
| 154 | * registers given as parameters. |
| 155 | * |
| 156 | * INPUT: |
| 157 | * pAddrDecRegs - Address decode register struct. |
| 158 | * |
| 159 | * OUTPUT: |
| 160 | * pAddrDecWin - Target window data structure. |
| 161 | * |
| 162 | * RETURN: |
| 163 | * MV_BAD_PARAM if address decode registers data is invalid. |
| 164 | * |
| 165 | *******************************************************************************/ |
| 166 | MV_STATUS mvCtrlRegToAddrDec(MV_DEC_REGS *pAddrDecRegs, MV_ADDR_WIN *pAddrDecWin) |
| 167 | { |
| 168 | MV_U32 sizeRegVal; |
| 169 | |
| 170 | sizeRegVal = (pAddrDecRegs->sizeReg & CTRL_DEC_SIZE_MASK) >> |
| 171 | CTRL_DEC_SIZE_OFFS; |
| 172 | |
| 173 | pAddrDecWin->size = ctrlRegToSize(sizeRegVal, CTRL_DEC_SIZE_ALIGNMENT); |
| 174 | |
| 175 | |
| 176 | /* Extract base address */ |
| 177 | /* Base register [31:16] ==> baseLow[31:16] */ |
| 178 | pAddrDecWin->baseLow = pAddrDecRegs->baseReg & CTRL_DEC_BASE_MASK; |
| 179 | |
| 180 | pAddrDecWin->baseHigh = 0; |
| 181 | |
| 182 | return MV_OK; |
| 183 | |
| 184 | } |
| 185 | |
| 186 | /******************************************************************************* |
| 187 | * mvCtrlAttribGet - |
| 188 | * |
| 189 | * DESCRIPTION: |
| 190 | * |
| 191 | * INPUT: |
| 192 | * |
| 193 | * OUTPUT: |
| 194 | * |
| 195 | * RETURN: |
| 196 | * |
| 197 | *******************************************************************************/ |
| 198 | |
| 199 | MV_STATUS mvCtrlAttribGet(MV_TARGET target, |
| 200 | MV_TARGET_ATTRIB *targetAttrib) |
| 201 | { |
| 202 | |
| 203 | targetAttrib->attrib = mvTargetDefaultsArray[MV_CHANGE_BOOT_CS(target)].attrib; |
| 204 | targetAttrib->targetId = mvTargetDefaultsArray[MV_CHANGE_BOOT_CS(target)].targetId; |
| 205 | |
| 206 | return MV_OK; |
| 207 | |
| 208 | } |
| 209 | |
| 210 | /******************************************************************************* |
| 211 | * mvCtrlGetAttrib - |
| 212 | * |
| 213 | * DESCRIPTION: |
| 214 | * |
| 215 | * INPUT: |
| 216 | * |
| 217 | * OUTPUT: |
| 218 | * |
| 219 | * RETURN: |
| 220 | * |
| 221 | *******************************************************************************/ |
| 222 | MV_TARGET mvCtrlTargetGet(MV_TARGET_ATTRIB *targetAttrib) |
| 223 | { |
| 224 | MV_TARGET target; |
| 225 | MV_TARGET x; |
| 226 | for (target = SDRAM_CS0; target < MAX_TARGETS ; target ++) |
| 227 | { |
| 228 | x = MV_CHANGE_BOOT_CS(target); |
| 229 | if ((mvTargetDefaultsArray[x].attrib == targetAttrib->attrib) && |
| 230 | (mvTargetDefaultsArray[MV_CHANGE_BOOT_CS(target)].targetId == targetAttrib->targetId)) |
| 231 | { |
| 232 | /* found it */ |
| 233 | break; |
| 234 | } |
| 235 | } |
| 236 | |
| 237 | return target; |
| 238 | } |
| 239 | |
| 240 | MV_STATUS mvCtrlAddrDecToParams(MV_DEC_WIN *pAddrDecWin, |
| 241 | MV_DEC_WIN_PARAMS *pWinParam) |
| 242 | { |
| 243 | MV_U32 baseToReg=0, sizeToReg=0; |
| 244 | |
| 245 | /* BaseLow[31:16] => base register [31:16] */ |
| 246 | baseToReg = pAddrDecWin->addrWin.baseLow & CTRL_DEC_BASE_MASK; |
| 247 | |
| 248 | /* Write to address decode Base Address Register */ |
| 249 | pWinParam->baseAddr &= ~CTRL_DEC_BASE_MASK; |
| 250 | pWinParam->baseAddr |= baseToReg; |
| 251 | |
| 252 | /* Get size register value according to window size */ |
| 253 | sizeToReg = ctrlSizeToReg(pAddrDecWin->addrWin.size, CTRL_DEC_SIZE_ALIGNMENT); |
| 254 | |
| 255 | /* Size parameter validity check. */ |
| 256 | if (-1 == sizeToReg) |
| 257 | { |
| 258 | mvOsPrintf("mvCtrlAddrDecToParams: ERR. ctrlSizeToReg failed.\n"); |
| 259 | return MV_BAD_PARAM; |
| 260 | } |
| 261 | pWinParam->size = sizeToReg; |
| 262 | |
| 263 | pWinParam->attrib = mvTargetDefaultsArray[MV_CHANGE_BOOT_CS(pAddrDecWin->target)].attrib; |
| 264 | pWinParam->targetId = mvTargetDefaultsArray[MV_CHANGE_BOOT_CS(pAddrDecWin->target)].targetId; |
| 265 | |
| 266 | return MV_OK; |
| 267 | } |
| 268 | |
| 269 | MV_STATUS mvCtrlParamsToAddrDec(MV_DEC_WIN_PARAMS *pWinParam, |
| 270 | MV_DEC_WIN *pAddrDecWin) |
| 271 | { |
| 272 | MV_TARGET_ATTRIB targetAttrib; |
| 273 | |
| 274 | pAddrDecWin->addrWin.baseLow = pWinParam->baseAddr; |
| 275 | |
| 276 | /* Upper 32bit address base is supported under PCI High Address remap */ |
| 277 | pAddrDecWin->addrWin.baseHigh = 0; |
| 278 | |
| 279 | /* Prepare sizeReg to ctrlRegToSize function */ |
| 280 | pAddrDecWin->addrWin.size = ctrlRegToSize(pWinParam->size, CTRL_DEC_SIZE_ALIGNMENT); |
| 281 | |
| 282 | if (-1 == pAddrDecWin->addrWin.size) |
| 283 | { |
| 284 | DB(mvOsPrintf("mvCtrlParamsToAddrDec: ERR. ctrlRegToSize failed.\n")); |
| 285 | return MV_BAD_PARAM; |
| 286 | } |
| 287 | targetAttrib.targetId = pWinParam->targetId; |
| 288 | targetAttrib.attrib = pWinParam->attrib; |
| 289 | |
| 290 | pAddrDecWin->target = mvCtrlTargetGet(&targetAttrib); |
| 291 | |
| 292 | return MV_OK; |
| 293 | } |
| 294 | |
| 295 | |
| 296 | |
| 297 | |
