4 * Southbridge IO access common routine
8 * @xrefitem bom "File Content Label" "Release Content"
11 * @e \$Revision:$ @e \$Date:$
14 /*;********************************************************************************
16 ; Copyright (c) 2011, Advanced Micro Devices, Inc.
17 ; All rights reserved.
19 ; Redistribution and use in source and binary forms, with or without
20 ; modification, are permitted provided that the following conditions are met:
21 ; * Redistributions of source code must retain the above copyright
22 ; notice, this list of conditions and the following disclaimer.
23 ; * Redistributions in binary form must reproduce the above copyright
24 ; notice, this list of conditions and the following disclaimer in the
25 ; documentation and/or other materials provided with the distribution.
26 ; * Neither the name of Advanced Micro Devices, Inc. nor the names of
27 ; its contributors may be used to endorse or promote products derived
28 ; from this software without specific prior written permission.
30 ; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
31 ; ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
32 ; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
33 ; DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY
34 ; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
35 ; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
36 ; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
37 ; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
38 ; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
39 ; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
41 ;*********************************************************************************/
43 #include "SbPlatform.h"
48 * Read Southbridge Revision ID cie Base
51 * @retval 0xXXXXXXXX Revision ID
60 ReadPCI (((SMBUS_BUS_DEV_FUN << 16) + SB_CFG_REG08), AccWidthUint8, &dbVar0);
68 * @retval TRUE or FALSE
76 return ( getRevisionID () == AMD_SB_A11 );
83 * @retval TRUE or FALSE
91 return ( getRevisionID () == AMD_SB_A12 );
98 * @retval TRUE or FALSE
106 return ( getRevisionID () >= AMD_SB_A12 );
113 * @retval TRUE or FALSE
121 return ( getRevisionID () >= AMD_SB_A13 );
125 * Is External Clock Mode?
128 * @retval TRUE or FALSE
132 IsExternalClockMode (
136 return ( (BOOLEAN) ((ACPIMMIO32 (ACPI_MMIO_BASE + MISC_BASE + SB_MISC_REG80) & BIT4) == 0) );
143 * @retval TRUE or FALSE
151 return ( (BOOLEAN) ((ACPIMMIO32 (ACPI_MMIO_BASE + MISC_BASE + SB_MISC_REG80) & BIT1) == 0) );
169 for ( i = 0; i < Size; i++ ) {
176 /*----------------------------------------------------------------------------------------*/
178 * programPciByteTable - Program PCI register by table (8 bits data)
182 * @param[in] pPciByteTable - Table data pointer
183 * @param[in] dwTableSize - Table length
187 programPciByteTable (
188 IN REG8MASK* pPciByteTable,
189 IN UINT16 dwTableSize
197 dbBusNo = pPciByteTable->bRegIndex;
198 dbDevFnNo = pPciByteTable->bANDMask;
201 for ( i = 1; i < dwTableSize; i++ ) {
202 if ( (pPciByteTable->bRegIndex == 0xFF) && (pPciByteTable->bANDMask == 0xFF) && (pPciByteTable->bORMask == 0xFF) ) {
204 dbBusNo = pPciByteTable->bRegIndex;
205 dbDevFnNo = pPciByteTable->bANDMask;
209 ddBDFR = (dbBusNo << 24) + (dbDevFnNo << 16) + (pPciByteTable->bRegIndex) ;
210 TRACE ((DMSG_SB_TRACE, "PFA = %X AND = %X, OR = %X", ddBDFR, pPciByteTable->bANDMask, pPciByteTable->bORMask));
211 RWPCI (ddBDFR, AccWidthUint8 | S3_SAVE, pPciByteTable->bANDMask, pPciByteTable->bORMask);
217 /*----------------------------------------------------------------------------------------*/
219 * programSbAcpiMmioTbl - Program SB ACPI MMIO register by table (8 bits data)
223 * @param[in] pAcpiTbl - Table data pointer
227 programSbAcpiMmioTbl (
228 IN AcpiRegWrite *pAcpiTbl
233 if (pAcpiTbl != NULL) {
234 if ((pAcpiTbl->MmioReg == 0) && (pAcpiTbl->MmioBase == 0) && (pAcpiTbl->DataANDMask == 0xB0) && (pAcpiTbl->DataOrMask == 0xAC)) {
235 // Signature Checking
237 for ( i = 1; pAcpiTbl->MmioBase < 0x1D; i++ ) {
238 ddtempVar = 0xFED80000 | (pAcpiTbl->MmioBase) << 8 | pAcpiTbl->MmioReg;
239 RWMEM (ddtempVar, AccWidthUint8, ((pAcpiTbl->DataANDMask) | 0xFFFFFF00), pAcpiTbl->DataOrMask);
247 * getChipSysMode - Get Chip status
250 * @param[in] Value - Return Chip strap status
251 * StrapStatus [15.0] - Hudson-2 chip Strap Status
252 * @li <b>0001</b> - Not USED FWH
253 * @li <b>0002</b> - Not USED LPC ROM
254 * @li <b>0004</b> - EC enabled
255 * @li <b>0008</b> - Reserved
256 * @li <b>0010</b> - Internal Clock mode
264 ReadMEM (ACPI_MMIO_BASE + MISC_BASE + SB_MISC_REG80, AccWidthUint8, Value);
268 * isImcEnabled - Is IMC Enabled
269 * @retval TRUE for IMC Enabled; FALSE for IMC Disabled
276 getChipSysMode (&dbSysConfig);
277 if (dbSysConfig & ChipSysEcEnable) {
284 /*----------------------------------------------------------------------------------------*/
286 * Read Southbridge CIMx configuration structure pointer
290 * @retval 0xXXXXXXXX CIMx configuration structure pointer.
303 dbReg = SB_ECMOS_REG08;
305 for ( i = 0; i <= 3; i++ ) {
306 WriteIO (SB_IOMAP_REG72, AccWidthUint8, &dbReg);
307 ReadIO (SB_IOMAP_REG73, AccWidthUint8, &dbValue);
308 ddValue |= (dbValue << (i * 8));
311 return ( (AMDSBCFG*) (UINTN)ddValue);
315 * getEfuseStatue - Get Efuse status
318 * @param[in] Value - Return Chip strap status
326 RWMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGC8, AccWidthUint8, ~BIT5, BIT5);
327 WriteMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGD8, AccWidthUint8, Value);
328 ReadMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGD8 + 1, AccWidthUint8, Value);
329 RWMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGC8, AccWidthUint8, ~BIT5, 0);
333 * getEfuseByte - Get Efuse Byte
336 * @param[in] Index - Efuse Index value
345 WriteMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGD8, AccWidthUint8, &Index);
346 ReadMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGD8 + 1, AccWidthUint8, &Data);
352 * SbResetGppDevice - Toggle GEVENT4 to assert/deassert GPP device reset
355 * @param[in] ResetBlock - PCIE reset for SB GPP or NB PCIE
356 * @param[in] ResetOp - Assert or deassert PCIE reset
361 IN RESET_BLOCK ResetBlock,
366 if (ResetBlock == NbBlock) {
367 if (ResetOp == AssertReset) {
368 RWMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGC4, AccWidthUint8, 0xFF, BIT4);
369 } else if (ResetOp == DeassertReset) {
370 RWMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGC4, AccWidthUint8, ~BIT4, 0);
372 } else if (ResetBlock == SbBlock) {
373 RWMEM (ACPI_MMIO_BASE + IOMUX_BASE + SB_GEVENT_REG04, AccWidthUint8, ~(BIT1 + BIT0), 0x02);
374 if (ResetOp == AssertReset) {
375 RWMEM (ACPI_MMIO_BASE + GPIO_BASE + SB_GEVENT_REG04, AccWidthUint8, ~BIT5, 0);
376 RWMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGBF, AccWidthUint8, 0xFF, BIT4);
377 } else if (ResetOp == DeassertReset) {
378 RWMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGBF, AccWidthUint8, ~BIT4, 0);
379 RWMEM (ACPI_MMIO_BASE + GPIO_BASE + SB_GEVENT_REG04, AccWidthUint8, 0xff, BIT5);
386 * sbGppTogglePcieReset - Toggle PCIE_RST2#
393 sbGppTogglePcieReset (
397 if (pConfig->GppToggleReset) {
398 SbResetPcie (SbBlock, AssertReset);
400 SbResetPcie (SbBlock, DeassertReset);
405 * sbSpiUnlock - Sb SPI Unlock
416 RWPCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG50, AccWidthUint32, ~(BIT0 + BIT1), 0);
417 RWPCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG54, AccWidthUint32, ~(BIT0 + BIT1), 0);
418 RWPCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG58, AccWidthUint32, ~(BIT0 + BIT1), 0);
419 RWPCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG5C, AccWidthUint32, ~(BIT0 + BIT1), 0);
420 RWMEM ((pConfig->BuildParameters.SpiRomBaseAddress) + SB_SPI_MMIO_REG00, AccWidthUint32, ~(BIT22 + BIT23), (BIT22 + BIT23));
424 * sbSpilock - Sb SPI lock
435 RWPCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG50, AccWidthUint32, ~(BIT0 + BIT1), (BIT0 + BIT1));
436 RWPCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG54, AccWidthUint32, ~(BIT0 + BIT1), (BIT0 + BIT1));
437 RWPCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG58, AccWidthUint32, ~(BIT0 + BIT1), (BIT0 + BIT1));
438 RWPCI ((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG5C, AccWidthUint32, ~(BIT0 + BIT1), (BIT0 + BIT1));
439 RWMEM ((pConfig->BuildParameters.SpiRomBaseAddress) + SB_SPI_MMIO_REG00, AccWidthUint32, ~(BIT22 + BIT23), 0);
454 RWMEM (ACPI_MMIO_BASE + MISC_BASE + 0x40, AccWidthUint8, ~BIT6, 0);
455 RWMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGDA, AccWidthUint8, 0x0F, 0xA0);
456 RWMEM (ACPI_MMIO_BASE + IOMUX_BASE + 0x41, AccWidthUint8, ~(BIT1 + BIT0), (BIT1 + BIT0));
457 RWMEM (ACPI_MMIO_BASE + MISC_BASE + 0x41, AccWidthUint8, ~( BIT4), (BIT4));
458 RWMEM (ACPI_MMIO_BASE + MISC_BASE + 0x41, AccWidthUint8, ~(BIT6), (BIT6));
459 RWMEM (ACPI_MMIO_BASE + MISC_BASE + 0x08, AccWidthUint8, ~BIT6, BIT6);
460 RWMEM (ACPI_MMIO_BASE + MISC_BASE + 0x1C, AccWidthUint8, ~BIT6, BIT6);
476 ReadMEM (ACPI_MMIO_BASE + MISC_BASE + 0x1C, AccWidthUint8, &dByte);
478 RWMEM (ACPI_MMIO_BASE + MISC_BASE + 0x41, AccWidthUint8, ~(BIT6), (0));