17851SDana.Myers@Sun.COM /******************************************************************************
27851SDana.Myers@Sun.COM *
37851SDana.Myers@Sun.COM * Module Name: tbfadt - FADT table utilities
47851SDana.Myers@Sun.COM *
57851SDana.Myers@Sun.COM *****************************************************************************/
67851SDana.Myers@Sun.COM
77851SDana.Myers@Sun.COM /******************************************************************************
87851SDana.Myers@Sun.COM *
97851SDana.Myers@Sun.COM * 1. Copyright Notice
107851SDana.Myers@Sun.COM *
11*9980SDana.Myers@Sun.COM * Some or all of this work - Copyright (c) 1999 - 2009, Intel Corp.
127851SDana.Myers@Sun.COM * All rights reserved.
137851SDana.Myers@Sun.COM *
147851SDana.Myers@Sun.COM * 2. License
157851SDana.Myers@Sun.COM *
167851SDana.Myers@Sun.COM * 2.1. This is your license from Intel Corp. under its intellectual property
177851SDana.Myers@Sun.COM * rights. You may have additional license terms from the party that provided
187851SDana.Myers@Sun.COM * you this software, covering your right to use that party's intellectual
197851SDana.Myers@Sun.COM * property rights.
207851SDana.Myers@Sun.COM *
217851SDana.Myers@Sun.COM * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
227851SDana.Myers@Sun.COM * copy of the source code appearing in this file ("Covered Code") an
237851SDana.Myers@Sun.COM * irrevocable, perpetual, worldwide license under Intel's copyrights in the
247851SDana.Myers@Sun.COM * base code distributed originally by Intel ("Original Intel Code") to copy,
257851SDana.Myers@Sun.COM * make derivatives, distribute, use and display any portion of the Covered
267851SDana.Myers@Sun.COM * Code in any form, with the right to sublicense such rights; and
277851SDana.Myers@Sun.COM *
287851SDana.Myers@Sun.COM * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
297851SDana.Myers@Sun.COM * license (with the right to sublicense), under only those claims of Intel
307851SDana.Myers@Sun.COM * patents that are infringed by the Original Intel Code, to make, use, sell,
317851SDana.Myers@Sun.COM * offer to sell, and import the Covered Code and derivative works thereof
327851SDana.Myers@Sun.COM * solely to the minimum extent necessary to exercise the above copyright
337851SDana.Myers@Sun.COM * license, and in no event shall the patent license extend to any additions
347851SDana.Myers@Sun.COM * to or modifications of the Original Intel Code. No other license or right
357851SDana.Myers@Sun.COM * is granted directly or by implication, estoppel or otherwise;
367851SDana.Myers@Sun.COM *
377851SDana.Myers@Sun.COM * The above copyright and patent license is granted only if the following
387851SDana.Myers@Sun.COM * conditions are met:
397851SDana.Myers@Sun.COM *
407851SDana.Myers@Sun.COM * 3. Conditions
417851SDana.Myers@Sun.COM *
427851SDana.Myers@Sun.COM * 3.1. Redistribution of Source with Rights to Further Distribute Source.
437851SDana.Myers@Sun.COM * Redistribution of source code of any substantial portion of the Covered
447851SDana.Myers@Sun.COM * Code or modification with rights to further distribute source must include
457851SDana.Myers@Sun.COM * the above Copyright Notice, the above License, this list of Conditions,
467851SDana.Myers@Sun.COM * and the following Disclaimer and Export Compliance provision. In addition,
477851SDana.Myers@Sun.COM * Licensee must cause all Covered Code to which Licensee contributes to
487851SDana.Myers@Sun.COM * contain a file documenting the changes Licensee made to create that Covered
497851SDana.Myers@Sun.COM * Code and the date of any change. Licensee must include in that file the
507851SDana.Myers@Sun.COM * documentation of any changes made by any predecessor Licensee. Licensee
517851SDana.Myers@Sun.COM * must include a prominent statement that the modification is derived,
527851SDana.Myers@Sun.COM * directly or indirectly, from Original Intel Code.
537851SDana.Myers@Sun.COM *
547851SDana.Myers@Sun.COM * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
557851SDana.Myers@Sun.COM * Redistribution of source code of any substantial portion of the Covered
567851SDana.Myers@Sun.COM * Code or modification without rights to further distribute source must
577851SDana.Myers@Sun.COM * include the following Disclaimer and Export Compliance provision in the
587851SDana.Myers@Sun.COM * documentation and/or other materials provided with distribution. In
597851SDana.Myers@Sun.COM * addition, Licensee may not authorize further sublicense of source of any
607851SDana.Myers@Sun.COM * portion of the Covered Code, and must include terms to the effect that the
617851SDana.Myers@Sun.COM * license from Licensee to its licensee is limited to the intellectual
627851SDana.Myers@Sun.COM * property embodied in the software Licensee provides to its licensee, and
637851SDana.Myers@Sun.COM * not to intellectual property embodied in modifications its licensee may
647851SDana.Myers@Sun.COM * make.
657851SDana.Myers@Sun.COM *
667851SDana.Myers@Sun.COM * 3.3. Redistribution of Executable. Redistribution in executable form of any
677851SDana.Myers@Sun.COM * substantial portion of the Covered Code or modification must reproduce the
687851SDana.Myers@Sun.COM * above Copyright Notice, and the following Disclaimer and Export Compliance
697851SDana.Myers@Sun.COM * provision in the documentation and/or other materials provided with the
707851SDana.Myers@Sun.COM * distribution.
717851SDana.Myers@Sun.COM *
727851SDana.Myers@Sun.COM * 3.4. Intel retains all right, title, and interest in and to the Original
737851SDana.Myers@Sun.COM * Intel Code.
747851SDana.Myers@Sun.COM *
757851SDana.Myers@Sun.COM * 3.5. Neither the name Intel nor any other trademark owned or controlled by
767851SDana.Myers@Sun.COM * Intel shall be used in advertising or otherwise to promote the sale, use or
777851SDana.Myers@Sun.COM * other dealings in products derived from or relating to the Covered Code
787851SDana.Myers@Sun.COM * without prior written authorization from Intel.
797851SDana.Myers@Sun.COM *
807851SDana.Myers@Sun.COM * 4. Disclaimer and Export Compliance
817851SDana.Myers@Sun.COM *
827851SDana.Myers@Sun.COM * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
837851SDana.Myers@Sun.COM * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
847851SDana.Myers@Sun.COM * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
857851SDana.Myers@Sun.COM * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
867851SDana.Myers@Sun.COM * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
877851SDana.Myers@Sun.COM * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
887851SDana.Myers@Sun.COM * PARTICULAR PURPOSE.
897851SDana.Myers@Sun.COM *
907851SDana.Myers@Sun.COM * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
917851SDana.Myers@Sun.COM * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
927851SDana.Myers@Sun.COM * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
937851SDana.Myers@Sun.COM * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
947851SDana.Myers@Sun.COM * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
957851SDana.Myers@Sun.COM * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
967851SDana.Myers@Sun.COM * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
977851SDana.Myers@Sun.COM * LIMITED REMEDY.
987851SDana.Myers@Sun.COM *
997851SDana.Myers@Sun.COM * 4.3. Licensee shall not export, either directly or indirectly, any of this
1007851SDana.Myers@Sun.COM * software or system incorporating such software without first obtaining any
1017851SDana.Myers@Sun.COM * required license or other approval from the U. S. Department of Commerce or
1027851SDana.Myers@Sun.COM * any other agency or department of the United States Government. In the
1037851SDana.Myers@Sun.COM * event Licensee exports any such software from the United States or
1047851SDana.Myers@Sun.COM * re-exports any such software from a foreign destination, Licensee shall
1057851SDana.Myers@Sun.COM * ensure that the distribution and export/re-export of the software is in
1067851SDana.Myers@Sun.COM * compliance with all laws, regulations, orders, or other restrictions of the
1077851SDana.Myers@Sun.COM * U.S. Export Administration Regulations. Licensee agrees that neither it nor
1087851SDana.Myers@Sun.COM * any of its subsidiaries will export/re-export any technical data, process,
1097851SDana.Myers@Sun.COM * software, or service, directly or indirectly, to any country for which the
1107851SDana.Myers@Sun.COM * United States government or any agency thereof requires an export license,
1117851SDana.Myers@Sun.COM * other governmental approval, or letter of assurance, without first obtaining
1127851SDana.Myers@Sun.COM * such license, approval or letter.
1137851SDana.Myers@Sun.COM *
1147851SDana.Myers@Sun.COM *****************************************************************************/
1157851SDana.Myers@Sun.COM
1167851SDana.Myers@Sun.COM #define __TBFADT_C__
1177851SDana.Myers@Sun.COM
1187851SDana.Myers@Sun.COM #include "acpi.h"
119*9980SDana.Myers@Sun.COM #include "accommon.h"
1207851SDana.Myers@Sun.COM #include "actables.h"
1217851SDana.Myers@Sun.COM
1227851SDana.Myers@Sun.COM #define _COMPONENT ACPI_TABLES
1237851SDana.Myers@Sun.COM ACPI_MODULE_NAME ("tbfadt")
1247851SDana.Myers@Sun.COM
1257851SDana.Myers@Sun.COM /* Local prototypes */
1267851SDana.Myers@Sun.COM
127*9980SDana.Myers@Sun.COM static inline void
1287851SDana.Myers@Sun.COM AcpiTbInitGenericAddress (
1297851SDana.Myers@Sun.COM ACPI_GENERIC_ADDRESS *GenericAddress,
130*9980SDana.Myers@Sun.COM UINT8 SpaceId,
131*9980SDana.Myers@Sun.COM UINT8 ByteWidth,
1327851SDana.Myers@Sun.COM UINT64 Address);
1337851SDana.Myers@Sun.COM
1347851SDana.Myers@Sun.COM static void
1357851SDana.Myers@Sun.COM AcpiTbConvertFadt (
1367851SDana.Myers@Sun.COM void);
1377851SDana.Myers@Sun.COM
1387851SDana.Myers@Sun.COM static void
1397851SDana.Myers@Sun.COM AcpiTbValidateFadt (
1407851SDana.Myers@Sun.COM void);
1417851SDana.Myers@Sun.COM
142*9980SDana.Myers@Sun.COM static void
143*9980SDana.Myers@Sun.COM AcpiTbSetupFadtRegisters (
144*9980SDana.Myers@Sun.COM void);
145*9980SDana.Myers@Sun.COM
1467851SDana.Myers@Sun.COM
1477851SDana.Myers@Sun.COM /* Table for conversion of FADT to common internal format and FADT validation */
1487851SDana.Myers@Sun.COM
1497851SDana.Myers@Sun.COM typedef struct acpi_fadt_info
1507851SDana.Myers@Sun.COM {
1517851SDana.Myers@Sun.COM char *Name;
152*9980SDana.Myers@Sun.COM UINT8 Address64;
153*9980SDana.Myers@Sun.COM UINT8 Address32;
1547851SDana.Myers@Sun.COM UINT8 Length;
155*9980SDana.Myers@Sun.COM UINT8 DefaultLength;
1567851SDana.Myers@Sun.COM UINT8 Type;
1577851SDana.Myers@Sun.COM
1587851SDana.Myers@Sun.COM } ACPI_FADT_INFO;
1597851SDana.Myers@Sun.COM
1607851SDana.Myers@Sun.COM #define ACPI_FADT_REQUIRED 1
1617851SDana.Myers@Sun.COM #define ACPI_FADT_SEPARATE_LENGTH 2
1627851SDana.Myers@Sun.COM
1637851SDana.Myers@Sun.COM static ACPI_FADT_INFO FadtInfoTable[] =
1647851SDana.Myers@Sun.COM {
165*9980SDana.Myers@Sun.COM {"Pm1aEventBlock",
166*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (XPm1aEventBlock),
167*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (Pm1aEventBlock),
168*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (Pm1EventLength),
169*9980SDana.Myers@Sun.COM ACPI_PM1_REGISTER_WIDTH * 2, /* Enable + Status register */
170*9980SDana.Myers@Sun.COM ACPI_FADT_REQUIRED},
1717851SDana.Myers@Sun.COM
172*9980SDana.Myers@Sun.COM {"Pm1bEventBlock",
173*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (XPm1bEventBlock),
174*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (Pm1bEventBlock),
175*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (Pm1EventLength),
176*9980SDana.Myers@Sun.COM ACPI_PM1_REGISTER_WIDTH * 2, /* Enable + Status register */
177*9980SDana.Myers@Sun.COM 0},
1787851SDana.Myers@Sun.COM
179*9980SDana.Myers@Sun.COM {"Pm1aControlBlock",
180*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (XPm1aControlBlock),
181*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (Pm1aControlBlock),
182*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (Pm1ControlLength),
183*9980SDana.Myers@Sun.COM ACPI_PM1_REGISTER_WIDTH,
184*9980SDana.Myers@Sun.COM ACPI_FADT_REQUIRED},
1857851SDana.Myers@Sun.COM
186*9980SDana.Myers@Sun.COM {"Pm1bControlBlock",
187*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (XPm1bControlBlock),
188*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (Pm1bControlBlock),
189*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (Pm1ControlLength),
190*9980SDana.Myers@Sun.COM ACPI_PM1_REGISTER_WIDTH,
191*9980SDana.Myers@Sun.COM 0},
1927851SDana.Myers@Sun.COM
193*9980SDana.Myers@Sun.COM {"Pm2ControlBlock",
194*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (XPm2ControlBlock),
195*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (Pm2ControlBlock),
196*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (Pm2ControlLength),
197*9980SDana.Myers@Sun.COM ACPI_PM2_REGISTER_WIDTH,
198*9980SDana.Myers@Sun.COM ACPI_FADT_SEPARATE_LENGTH},
1997851SDana.Myers@Sun.COM
200*9980SDana.Myers@Sun.COM {"PmTimerBlock",
201*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (XPmTimerBlock),
202*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (PmTimerBlock),
203*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (PmTimerLength),
204*9980SDana.Myers@Sun.COM ACPI_PM_TIMER_WIDTH,
205*9980SDana.Myers@Sun.COM ACPI_FADT_REQUIRED},
2067851SDana.Myers@Sun.COM
207*9980SDana.Myers@Sun.COM {"Gpe0Block",
208*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (XGpe0Block),
209*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (Gpe0Block),
210*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (Gpe0BlockLength),
211*9980SDana.Myers@Sun.COM 0,
212*9980SDana.Myers@Sun.COM ACPI_FADT_SEPARATE_LENGTH},
2137851SDana.Myers@Sun.COM
214*9980SDana.Myers@Sun.COM {"Gpe1Block",
215*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (XGpe1Block),
216*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (Gpe1Block),
217*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (Gpe1BlockLength),
218*9980SDana.Myers@Sun.COM 0,
219*9980SDana.Myers@Sun.COM ACPI_FADT_SEPARATE_LENGTH}
2207851SDana.Myers@Sun.COM };
2217851SDana.Myers@Sun.COM
222*9980SDana.Myers@Sun.COM #define ACPI_FADT_INFO_ENTRIES \
223*9980SDana.Myers@Sun.COM (sizeof (FadtInfoTable) / sizeof (ACPI_FADT_INFO))
224*9980SDana.Myers@Sun.COM
225*9980SDana.Myers@Sun.COM
226*9980SDana.Myers@Sun.COM /* Table used to split Event Blocks into separate status/enable registers */
227*9980SDana.Myers@Sun.COM
228*9980SDana.Myers@Sun.COM typedef struct acpi_fadt_pm_info
229*9980SDana.Myers@Sun.COM {
230*9980SDana.Myers@Sun.COM ACPI_GENERIC_ADDRESS *Target;
231*9980SDana.Myers@Sun.COM UINT8 Source;
232*9980SDana.Myers@Sun.COM UINT8 RegisterNum;
233*9980SDana.Myers@Sun.COM
234*9980SDana.Myers@Sun.COM } ACPI_FADT_PM_INFO;
235*9980SDana.Myers@Sun.COM
236*9980SDana.Myers@Sun.COM static ACPI_FADT_PM_INFO FadtPmInfoTable[] =
237*9980SDana.Myers@Sun.COM {
238*9980SDana.Myers@Sun.COM {&AcpiGbl_XPm1aStatus,
239*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (XPm1aEventBlock),
240*9980SDana.Myers@Sun.COM 0},
241*9980SDana.Myers@Sun.COM
242*9980SDana.Myers@Sun.COM {&AcpiGbl_XPm1aEnable,
243*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (XPm1aEventBlock),
244*9980SDana.Myers@Sun.COM 1},
245*9980SDana.Myers@Sun.COM
246*9980SDana.Myers@Sun.COM {&AcpiGbl_XPm1bStatus,
247*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (XPm1bEventBlock),
248*9980SDana.Myers@Sun.COM 0},
249*9980SDana.Myers@Sun.COM
250*9980SDana.Myers@Sun.COM {&AcpiGbl_XPm1bEnable,
251*9980SDana.Myers@Sun.COM ACPI_FADT_OFFSET (XPm1bEventBlock),
252*9980SDana.Myers@Sun.COM 1}
253*9980SDana.Myers@Sun.COM };
254*9980SDana.Myers@Sun.COM
255*9980SDana.Myers@Sun.COM #define ACPI_FADT_PM_INFO_ENTRIES \
256*9980SDana.Myers@Sun.COM (sizeof (FadtPmInfoTable) / sizeof (ACPI_FADT_PM_INFO))
2577851SDana.Myers@Sun.COM
2587851SDana.Myers@Sun.COM
2597851SDana.Myers@Sun.COM /*******************************************************************************
2607851SDana.Myers@Sun.COM *
2617851SDana.Myers@Sun.COM * FUNCTION: AcpiTbInitGenericAddress
2627851SDana.Myers@Sun.COM *
2637851SDana.Myers@Sun.COM * PARAMETERS: GenericAddress - GAS struct to be initialized
264*9980SDana.Myers@Sun.COM * SpaceId - ACPI Space ID for this register
265*9980SDana.Myers@Sun.COM * ByteWidth - Width of this register, in bytes
2667851SDana.Myers@Sun.COM * Address - Address of the register
2677851SDana.Myers@Sun.COM *
2687851SDana.Myers@Sun.COM * RETURN: None
2697851SDana.Myers@Sun.COM *
2707851SDana.Myers@Sun.COM * DESCRIPTION: Initialize a Generic Address Structure (GAS)
2717851SDana.Myers@Sun.COM * See the ACPI specification for a full description and
2727851SDana.Myers@Sun.COM * definition of this structure.
2737851SDana.Myers@Sun.COM *
2747851SDana.Myers@Sun.COM ******************************************************************************/
2757851SDana.Myers@Sun.COM
276*9980SDana.Myers@Sun.COM static inline void
AcpiTbInitGenericAddress(ACPI_GENERIC_ADDRESS * GenericAddress,UINT8 SpaceId,UINT8 ByteWidth,UINT64 Address)2777851SDana.Myers@Sun.COM AcpiTbInitGenericAddress (
2787851SDana.Myers@Sun.COM ACPI_GENERIC_ADDRESS *GenericAddress,
279*9980SDana.Myers@Sun.COM UINT8 SpaceId,
280*9980SDana.Myers@Sun.COM UINT8 ByteWidth,
2817851SDana.Myers@Sun.COM UINT64 Address)
2827851SDana.Myers@Sun.COM {
2837851SDana.Myers@Sun.COM
2847851SDana.Myers@Sun.COM /*
2857851SDana.Myers@Sun.COM * The 64-bit Address field is non-aligned in the byte packed
2867851SDana.Myers@Sun.COM * GAS struct.
2877851SDana.Myers@Sun.COM */
2887851SDana.Myers@Sun.COM ACPI_MOVE_64_TO_64 (&GenericAddress->Address, &Address);
2897851SDana.Myers@Sun.COM
2907851SDana.Myers@Sun.COM /* All other fields are byte-wide */
2917851SDana.Myers@Sun.COM
292*9980SDana.Myers@Sun.COM GenericAddress->SpaceId = SpaceId;
293*9980SDana.Myers@Sun.COM GenericAddress->BitWidth = (UINT8) ACPI_MUL_8 (ByteWidth);
2947851SDana.Myers@Sun.COM GenericAddress->BitOffset = 0;
295*9980SDana.Myers@Sun.COM GenericAddress->AccessWidth = 0; /* Access width ANY */
2967851SDana.Myers@Sun.COM }
2977851SDana.Myers@Sun.COM
2987851SDana.Myers@Sun.COM
2997851SDana.Myers@Sun.COM /*******************************************************************************
3007851SDana.Myers@Sun.COM *
3017851SDana.Myers@Sun.COM * FUNCTION: AcpiTbParseFadt
3027851SDana.Myers@Sun.COM *
3037851SDana.Myers@Sun.COM * PARAMETERS: TableIndex - Index for the FADT
3047851SDana.Myers@Sun.COM *
3057851SDana.Myers@Sun.COM * RETURN: None
3067851SDana.Myers@Sun.COM *
3077851SDana.Myers@Sun.COM * DESCRIPTION: Initialize the FADT, DSDT and FACS tables
3087851SDana.Myers@Sun.COM * (FADT contains the addresses of the DSDT and FACS)
3097851SDana.Myers@Sun.COM *
3107851SDana.Myers@Sun.COM ******************************************************************************/
3117851SDana.Myers@Sun.COM
3127851SDana.Myers@Sun.COM void
AcpiTbParseFadt(UINT32 TableIndex)3137851SDana.Myers@Sun.COM AcpiTbParseFadt (
314*9980SDana.Myers@Sun.COM UINT32 TableIndex)
3157851SDana.Myers@Sun.COM {
3167851SDana.Myers@Sun.COM UINT32 Length;
3177851SDana.Myers@Sun.COM ACPI_TABLE_HEADER *Table;
3187851SDana.Myers@Sun.COM
3197851SDana.Myers@Sun.COM
3207851SDana.Myers@Sun.COM /*
3217851SDana.Myers@Sun.COM * The FADT has multiple versions with different lengths,
3227851SDana.Myers@Sun.COM * and it contains pointers to both the DSDT and FACS tables.
3237851SDana.Myers@Sun.COM *
3247851SDana.Myers@Sun.COM * Get a local copy of the FADT and convert it to a common format
3257851SDana.Myers@Sun.COM * Map entire FADT, assumed to be smaller than one page.
3267851SDana.Myers@Sun.COM */
3277851SDana.Myers@Sun.COM Length = AcpiGbl_RootTableList.Tables[TableIndex].Length;
3287851SDana.Myers@Sun.COM
3297851SDana.Myers@Sun.COM Table = AcpiOsMapMemory (
3307851SDana.Myers@Sun.COM AcpiGbl_RootTableList.Tables[TableIndex].Address, Length);
3317851SDana.Myers@Sun.COM if (!Table)
3327851SDana.Myers@Sun.COM {
3337851SDana.Myers@Sun.COM return;
3347851SDana.Myers@Sun.COM }
3357851SDana.Myers@Sun.COM
3367851SDana.Myers@Sun.COM /*
3377851SDana.Myers@Sun.COM * Validate the FADT checksum before we copy the table. Ignore
3387851SDana.Myers@Sun.COM * checksum error as we want to try to get the DSDT and FACS.
3397851SDana.Myers@Sun.COM */
3407851SDana.Myers@Sun.COM (void) AcpiTbVerifyChecksum (Table, Length);
3417851SDana.Myers@Sun.COM
342*9980SDana.Myers@Sun.COM /* Create a local copy of the FADT in common ACPI 2.0+ format */
3437851SDana.Myers@Sun.COM
3447851SDana.Myers@Sun.COM AcpiTbCreateLocalFadt (Table, Length);
3457851SDana.Myers@Sun.COM
3467851SDana.Myers@Sun.COM /* All done with the real FADT, unmap it */
3477851SDana.Myers@Sun.COM
3487851SDana.Myers@Sun.COM AcpiOsUnmapMemory (Table, Length);
3497851SDana.Myers@Sun.COM
3507851SDana.Myers@Sun.COM /* Obtain the DSDT and FACS tables via their addresses within the FADT */
3517851SDana.Myers@Sun.COM
3527851SDana.Myers@Sun.COM AcpiTbInstallTable ((ACPI_PHYSICAL_ADDRESS) AcpiGbl_FADT.XDsdt,
353*9980SDana.Myers@Sun.COM ACPI_SIG_DSDT, ACPI_TABLE_INDEX_DSDT);
3547851SDana.Myers@Sun.COM
3557851SDana.Myers@Sun.COM AcpiTbInstallTable ((ACPI_PHYSICAL_ADDRESS) AcpiGbl_FADT.XFacs,
356*9980SDana.Myers@Sun.COM ACPI_SIG_FACS, ACPI_TABLE_INDEX_FACS);
3577851SDana.Myers@Sun.COM }
3587851SDana.Myers@Sun.COM
3597851SDana.Myers@Sun.COM
3607851SDana.Myers@Sun.COM /*******************************************************************************
3617851SDana.Myers@Sun.COM *
3627851SDana.Myers@Sun.COM * FUNCTION: AcpiTbCreateLocalFadt
3637851SDana.Myers@Sun.COM *
3647851SDana.Myers@Sun.COM * PARAMETERS: Table - Pointer to BIOS FADT
3657851SDana.Myers@Sun.COM * Length - Length of the table
3667851SDana.Myers@Sun.COM *
3677851SDana.Myers@Sun.COM * RETURN: None
3687851SDana.Myers@Sun.COM *
3697851SDana.Myers@Sun.COM * DESCRIPTION: Get a local copy of the FADT and convert it to a common format.
3707851SDana.Myers@Sun.COM * Performs validation on some important FADT fields.
3717851SDana.Myers@Sun.COM *
3727851SDana.Myers@Sun.COM * NOTE: We create a local copy of the FADT regardless of the version.
3737851SDana.Myers@Sun.COM *
3747851SDana.Myers@Sun.COM ******************************************************************************/
3757851SDana.Myers@Sun.COM
3767851SDana.Myers@Sun.COM void
AcpiTbCreateLocalFadt(ACPI_TABLE_HEADER * Table,UINT32 Length)3777851SDana.Myers@Sun.COM AcpiTbCreateLocalFadt (
3787851SDana.Myers@Sun.COM ACPI_TABLE_HEADER *Table,
3797851SDana.Myers@Sun.COM UINT32 Length)
3807851SDana.Myers@Sun.COM {
3817851SDana.Myers@Sun.COM
3827851SDana.Myers@Sun.COM /*
3837851SDana.Myers@Sun.COM * Check if the FADT is larger than the largest table that we expect
3847851SDana.Myers@Sun.COM * (the ACPI 2.0/3.0 version). If so, truncate the table, and issue
3857851SDana.Myers@Sun.COM * a warning.
3867851SDana.Myers@Sun.COM */
3877851SDana.Myers@Sun.COM if (Length > sizeof (ACPI_TABLE_FADT))
3887851SDana.Myers@Sun.COM {
3897851SDana.Myers@Sun.COM ACPI_WARNING ((AE_INFO,
390*9980SDana.Myers@Sun.COM "FADT (revision %u) is longer than ACPI 2.0 version, "
391*9980SDana.Myers@Sun.COM "truncating length 0x%X to 0x%X",
392*9980SDana.Myers@Sun.COM Table->Revision, Length, (UINT32) sizeof (ACPI_TABLE_FADT)));
3937851SDana.Myers@Sun.COM }
3947851SDana.Myers@Sun.COM
3957851SDana.Myers@Sun.COM /* Clear the entire local FADT */
3967851SDana.Myers@Sun.COM
3977851SDana.Myers@Sun.COM ACPI_MEMSET (&AcpiGbl_FADT, 0, sizeof (ACPI_TABLE_FADT));
3987851SDana.Myers@Sun.COM
3997851SDana.Myers@Sun.COM /* Copy the original FADT, up to sizeof (ACPI_TABLE_FADT) */
4007851SDana.Myers@Sun.COM
4017851SDana.Myers@Sun.COM ACPI_MEMCPY (&AcpiGbl_FADT, Table,
4027851SDana.Myers@Sun.COM ACPI_MIN (Length, sizeof (ACPI_TABLE_FADT)));
4037851SDana.Myers@Sun.COM
404*9980SDana.Myers@Sun.COM /* Convert the local copy of the FADT to the common internal format */
405*9980SDana.Myers@Sun.COM
4067851SDana.Myers@Sun.COM AcpiTbConvertFadt ();
407*9980SDana.Myers@Sun.COM
408*9980SDana.Myers@Sun.COM /* Validate FADT values now, before we make any changes */
409*9980SDana.Myers@Sun.COM
4107851SDana.Myers@Sun.COM AcpiTbValidateFadt ();
411*9980SDana.Myers@Sun.COM
412*9980SDana.Myers@Sun.COM /* Initialize the global ACPI register structures */
413*9980SDana.Myers@Sun.COM
414*9980SDana.Myers@Sun.COM AcpiTbSetupFadtRegisters ();
4157851SDana.Myers@Sun.COM }
4167851SDana.Myers@Sun.COM
4177851SDana.Myers@Sun.COM
4187851SDana.Myers@Sun.COM /*******************************************************************************
4197851SDana.Myers@Sun.COM *
4207851SDana.Myers@Sun.COM * FUNCTION: AcpiTbConvertFadt
4217851SDana.Myers@Sun.COM *
4227851SDana.Myers@Sun.COM * PARAMETERS: None, uses AcpiGbl_FADT
4237851SDana.Myers@Sun.COM *
4247851SDana.Myers@Sun.COM * RETURN: None
4257851SDana.Myers@Sun.COM *
4267851SDana.Myers@Sun.COM * DESCRIPTION: Converts all versions of the FADT to a common internal format.
427*9980SDana.Myers@Sun.COM * Expand 32-bit addresses to 64-bit as necessary.
4287851SDana.Myers@Sun.COM *
4297851SDana.Myers@Sun.COM * NOTE: AcpiGbl_FADT must be of size (ACPI_TABLE_FADT),
4307851SDana.Myers@Sun.COM * and must contain a copy of the actual FADT.
4317851SDana.Myers@Sun.COM *
432*9980SDana.Myers@Sun.COM * Notes on 64-bit register addresses:
433*9980SDana.Myers@Sun.COM *
434*9980SDana.Myers@Sun.COM * After this FADT conversion, later ACPICA code will only use the 64-bit "X"
435*9980SDana.Myers@Sun.COM * fields of the FADT for all ACPI register addresses.
4367851SDana.Myers@Sun.COM *
437*9980SDana.Myers@Sun.COM * The 64-bit "X" fields are optional extensions to the original 32-bit FADT
438*9980SDana.Myers@Sun.COM * V1.0 fields. Even if they are present in the FADT, they are optional and
439*9980SDana.Myers@Sun.COM * are unused if the BIOS sets them to zero. Therefore, we must copy/expand
440*9980SDana.Myers@Sun.COM * 32-bit V1.0 fields if the corresponding X field is zero.
4417851SDana.Myers@Sun.COM *
442*9980SDana.Myers@Sun.COM * For ACPI 1.0 FADTs, all 32-bit address fields are expanded to the
443*9980SDana.Myers@Sun.COM * corresponding "X" fields in the internal FADT.
4447851SDana.Myers@Sun.COM *
445*9980SDana.Myers@Sun.COM * For ACPI 2.0+ FADTs, all valid (non-zero) 32-bit address fields are expanded
446*9980SDana.Myers@Sun.COM * to the corresponding 64-bit X fields. For compatibility with other ACPI
447*9980SDana.Myers@Sun.COM * implementations, we ignore the 64-bit field if the 32-bit field is valid,
448*9980SDana.Myers@Sun.COM * regardless of whether the host OS is 32-bit or 64-bit.
4497851SDana.Myers@Sun.COM *
4507851SDana.Myers@Sun.COM ******************************************************************************/
4517851SDana.Myers@Sun.COM
4527851SDana.Myers@Sun.COM static void
AcpiTbConvertFadt(void)4537851SDana.Myers@Sun.COM AcpiTbConvertFadt (
4547851SDana.Myers@Sun.COM void)
4557851SDana.Myers@Sun.COM {
456*9980SDana.Myers@Sun.COM ACPI_GENERIC_ADDRESS *Address64;
457*9980SDana.Myers@Sun.COM UINT32 Address32;
4587851SDana.Myers@Sun.COM UINT32 i;
4597851SDana.Myers@Sun.COM
4607851SDana.Myers@Sun.COM
4617851SDana.Myers@Sun.COM /* Update the local FADT table header length */
4627851SDana.Myers@Sun.COM
4637851SDana.Myers@Sun.COM AcpiGbl_FADT.Header.Length = sizeof (ACPI_TABLE_FADT);
4647851SDana.Myers@Sun.COM
465*9980SDana.Myers@Sun.COM /*
466*9980SDana.Myers@Sun.COM * Expand the 32-bit FACS and DSDT addresses to 64-bit as necessary.
467*9980SDana.Myers@Sun.COM * Later code will always use the X 64-bit field.
468*9980SDana.Myers@Sun.COM */
4697851SDana.Myers@Sun.COM if (!AcpiGbl_FADT.XFacs)
4707851SDana.Myers@Sun.COM {
4717851SDana.Myers@Sun.COM AcpiGbl_FADT.XFacs = (UINT64) AcpiGbl_FADT.Facs;
4727851SDana.Myers@Sun.COM }
4737851SDana.Myers@Sun.COM if (!AcpiGbl_FADT.XDsdt)
4747851SDana.Myers@Sun.COM {
4757851SDana.Myers@Sun.COM AcpiGbl_FADT.XDsdt = (UINT64) AcpiGbl_FADT.Dsdt;
4767851SDana.Myers@Sun.COM }
4777851SDana.Myers@Sun.COM
4787851SDana.Myers@Sun.COM /*
4797851SDana.Myers@Sun.COM * For ACPI 1.0 FADTs (revision 1 or 2), ensure that reserved fields which
4807851SDana.Myers@Sun.COM * should be zero are indeed zero. This will workaround BIOSs that
4817851SDana.Myers@Sun.COM * inadvertently place values in these fields.
4827851SDana.Myers@Sun.COM *
483*9980SDana.Myers@Sun.COM * The ACPI 1.0 reserved fields that will be zeroed are the bytes located
484*9980SDana.Myers@Sun.COM * at offset 45, 55, 95, and the word located at offset 109, 110.
4857851SDana.Myers@Sun.COM */
4867851SDana.Myers@Sun.COM if (AcpiGbl_FADT.Header.Revision < 3)
4877851SDana.Myers@Sun.COM {
4887851SDana.Myers@Sun.COM AcpiGbl_FADT.PreferredProfile = 0;
4897851SDana.Myers@Sun.COM AcpiGbl_FADT.PstateControl = 0;
4907851SDana.Myers@Sun.COM AcpiGbl_FADT.CstControl = 0;
4917851SDana.Myers@Sun.COM AcpiGbl_FADT.BootFlags = 0;
4927851SDana.Myers@Sun.COM }
4937851SDana.Myers@Sun.COM
4947851SDana.Myers@Sun.COM /*
495*9980SDana.Myers@Sun.COM * Expand the ACPI 1.0 32-bit addresses to the ACPI 2.0 64-bit "X"
496*9980SDana.Myers@Sun.COM * generic address structures as necessary. Later code will always use
497*9980SDana.Myers@Sun.COM * the 64-bit address structures.
498*9980SDana.Myers@Sun.COM *
499*9980SDana.Myers@Sun.COM * March 2009:
500*9980SDana.Myers@Sun.COM * We now always use the 32-bit address if it is valid (non-null). This
501*9980SDana.Myers@Sun.COM * is not in accordance with the ACPI specification which states that
502*9980SDana.Myers@Sun.COM * the 64-bit address supersedes the 32-bit version, but we do this for
503*9980SDana.Myers@Sun.COM * compatibility with other ACPI implementations. Most notably, in the
504*9980SDana.Myers@Sun.COM * case where both the 32 and 64 versions are non-null, we use the 32-bit
505*9980SDana.Myers@Sun.COM * version. This is the only address that is guaranteed to have been
506*9980SDana.Myers@Sun.COM * tested by the BIOS manufacturer.
5077851SDana.Myers@Sun.COM */
5087851SDana.Myers@Sun.COM for (i = 0; i < ACPI_FADT_INFO_ENTRIES; i++)
5097851SDana.Myers@Sun.COM {
510*9980SDana.Myers@Sun.COM Address32 = *ACPI_ADD_PTR (UINT32,
511*9980SDana.Myers@Sun.COM &AcpiGbl_FADT, FadtInfoTable[i].Address32);
5127851SDana.Myers@Sun.COM
513*9980SDana.Myers@Sun.COM Address64 = ACPI_ADD_PTR (ACPI_GENERIC_ADDRESS,
514*9980SDana.Myers@Sun.COM &AcpiGbl_FADT, FadtInfoTable[i].Address64);
5157851SDana.Myers@Sun.COM
516*9980SDana.Myers@Sun.COM /*
517*9980SDana.Myers@Sun.COM * If both 32- and 64-bit addresses are valid (non-zero),
518*9980SDana.Myers@Sun.COM * they must match.
519*9980SDana.Myers@Sun.COM */
520*9980SDana.Myers@Sun.COM if (Address64->Address && Address32 &&
521*9980SDana.Myers@Sun.COM (Address64->Address != (UINT64) Address32))
522*9980SDana.Myers@Sun.COM {
523*9980SDana.Myers@Sun.COM ACPI_ERROR ((AE_INFO,
524*9980SDana.Myers@Sun.COM "32/64X address mismatch in %s: %8.8X/%8.8X%8.8X, using 32",
525*9980SDana.Myers@Sun.COM FadtInfoTable[i].Name, Address32,
526*9980SDana.Myers@Sun.COM ACPI_FORMAT_UINT64 (Address64->Address)));
527*9980SDana.Myers@Sun.COM }
5287851SDana.Myers@Sun.COM
529*9980SDana.Myers@Sun.COM /* Always use 32-bit address if it is valid (non-null) */
5307851SDana.Myers@Sun.COM
531*9980SDana.Myers@Sun.COM if (Address32)
532*9980SDana.Myers@Sun.COM {
533*9980SDana.Myers@Sun.COM /*
534*9980SDana.Myers@Sun.COM * Copy the 32-bit address to the 64-bit GAS structure. The
535*9980SDana.Myers@Sun.COM * Space ID is always I/O for 32-bit legacy address fields
536*9980SDana.Myers@Sun.COM */
537*9980SDana.Myers@Sun.COM AcpiTbInitGenericAddress (Address64, ACPI_ADR_SPACE_SYSTEM_IO,
538*9980SDana.Myers@Sun.COM *ACPI_ADD_PTR (UINT8, &AcpiGbl_FADT, FadtInfoTable[i].Length),
539*9980SDana.Myers@Sun.COM (UINT64) Address32);
540*9980SDana.Myers@Sun.COM }
5417851SDana.Myers@Sun.COM }
5427851SDana.Myers@Sun.COM }
5437851SDana.Myers@Sun.COM
5447851SDana.Myers@Sun.COM
545*9980SDana.Myers@Sun.COM /*******************************************************************************
5467851SDana.Myers@Sun.COM *
5477851SDana.Myers@Sun.COM * FUNCTION: AcpiTbValidateFadt
5487851SDana.Myers@Sun.COM *
5497851SDana.Myers@Sun.COM * PARAMETERS: Table - Pointer to the FADT to be validated
5507851SDana.Myers@Sun.COM *
5517851SDana.Myers@Sun.COM * RETURN: None
5527851SDana.Myers@Sun.COM *
5537851SDana.Myers@Sun.COM * DESCRIPTION: Validate various important fields within the FADT. If a problem
5547851SDana.Myers@Sun.COM * is found, issue a message, but no status is returned.
5557851SDana.Myers@Sun.COM * Used by both the table manager and the disassembler.
5567851SDana.Myers@Sun.COM *
5577851SDana.Myers@Sun.COM * Possible additional checks:
5587851SDana.Myers@Sun.COM * (AcpiGbl_FADT.Pm1EventLength >= 4)
5597851SDana.Myers@Sun.COM * (AcpiGbl_FADT.Pm1ControlLength >= 2)
5607851SDana.Myers@Sun.COM * (AcpiGbl_FADT.PmTimerLength >= 4)
5617851SDana.Myers@Sun.COM * Gpe block lengths must be multiple of 2
5627851SDana.Myers@Sun.COM *
5637851SDana.Myers@Sun.COM ******************************************************************************/
5647851SDana.Myers@Sun.COM
5657851SDana.Myers@Sun.COM static void
AcpiTbValidateFadt(void)5667851SDana.Myers@Sun.COM AcpiTbValidateFadt (
5677851SDana.Myers@Sun.COM void)
5687851SDana.Myers@Sun.COM {
569*9980SDana.Myers@Sun.COM char *Name;
5707851SDana.Myers@Sun.COM ACPI_GENERIC_ADDRESS *Address64;
5717851SDana.Myers@Sun.COM UINT8 Length;
5727851SDana.Myers@Sun.COM UINT32 i;
5737851SDana.Myers@Sun.COM
5747851SDana.Myers@Sun.COM
575*9980SDana.Myers@Sun.COM /*
576*9980SDana.Myers@Sun.COM * Check for FACS and DSDT address mismatches. An address mismatch between
577*9980SDana.Myers@Sun.COM * the 32-bit and 64-bit address fields (FIRMWARE_CTRL/X_FIRMWARE_CTRL and
578*9980SDana.Myers@Sun.COM * DSDT/X_DSDT) would indicate the presence of two FACS or two DSDT tables.
579*9980SDana.Myers@Sun.COM */
580*9980SDana.Myers@Sun.COM if (AcpiGbl_FADT.Facs &&
581*9980SDana.Myers@Sun.COM (AcpiGbl_FADT.XFacs != (UINT64) AcpiGbl_FADT.Facs))
582*9980SDana.Myers@Sun.COM {
583*9980SDana.Myers@Sun.COM ACPI_WARNING ((AE_INFO,
584*9980SDana.Myers@Sun.COM "32/64X FACS address mismatch in FADT - "
585*9980SDana.Myers@Sun.COM "%8.8X/%8.8X%8.8X, using 32",
586*9980SDana.Myers@Sun.COM AcpiGbl_FADT.Facs, ACPI_FORMAT_UINT64 (AcpiGbl_FADT.XFacs)));
587*9980SDana.Myers@Sun.COM
588*9980SDana.Myers@Sun.COM AcpiGbl_FADT.XFacs = (UINT64) AcpiGbl_FADT.Facs;
589*9980SDana.Myers@Sun.COM }
590*9980SDana.Myers@Sun.COM
591*9980SDana.Myers@Sun.COM if (AcpiGbl_FADT.Dsdt &&
592*9980SDana.Myers@Sun.COM (AcpiGbl_FADT.XDsdt != (UINT64) AcpiGbl_FADT.Dsdt))
593*9980SDana.Myers@Sun.COM {
594*9980SDana.Myers@Sun.COM ACPI_WARNING ((AE_INFO,
595*9980SDana.Myers@Sun.COM "32/64X DSDT address mismatch in FADT - "
596*9980SDana.Myers@Sun.COM "%8.8X/%8.8X%8.8X, using 32",
597*9980SDana.Myers@Sun.COM AcpiGbl_FADT.Dsdt, ACPI_FORMAT_UINT64 (AcpiGbl_FADT.XDsdt)));
598*9980SDana.Myers@Sun.COM
599*9980SDana.Myers@Sun.COM AcpiGbl_FADT.XDsdt = (UINT64) AcpiGbl_FADT.Dsdt;
600*9980SDana.Myers@Sun.COM }
601*9980SDana.Myers@Sun.COM
6027851SDana.Myers@Sun.COM /* Examine all of the 64-bit extended address fields (X fields) */
6037851SDana.Myers@Sun.COM
6047851SDana.Myers@Sun.COM for (i = 0; i < ACPI_FADT_INFO_ENTRIES; i++)
6057851SDana.Myers@Sun.COM {
606*9980SDana.Myers@Sun.COM /*
607*9980SDana.Myers@Sun.COM * Generate pointer to the 64-bit address, get the register
608*9980SDana.Myers@Sun.COM * length (width) and the register name
609*9980SDana.Myers@Sun.COM */
610*9980SDana.Myers@Sun.COM Address64 = ACPI_ADD_PTR (ACPI_GENERIC_ADDRESS,
611*9980SDana.Myers@Sun.COM &AcpiGbl_FADT, FadtInfoTable[i].Address64);
612*9980SDana.Myers@Sun.COM Length = *ACPI_ADD_PTR (UINT8,
613*9980SDana.Myers@Sun.COM &AcpiGbl_FADT, FadtInfoTable[i].Length);
614*9980SDana.Myers@Sun.COM Name = FadtInfoTable[i].Name;
6157851SDana.Myers@Sun.COM
616*9980SDana.Myers@Sun.COM /*
617*9980SDana.Myers@Sun.COM * For each extended field, check for length mismatch between the
618*9980SDana.Myers@Sun.COM * legacy length field and the corresponding 64-bit X length field.
619*9980SDana.Myers@Sun.COM */
620*9980SDana.Myers@Sun.COM if (Address64->Address &&
621*9980SDana.Myers@Sun.COM (Address64->BitWidth != ACPI_MUL_8 (Length)))
622*9980SDana.Myers@Sun.COM {
623*9980SDana.Myers@Sun.COM ACPI_WARNING ((AE_INFO,
624*9980SDana.Myers@Sun.COM "32/64X length mismatch in %s: %d/%d",
625*9980SDana.Myers@Sun.COM Name, ACPI_MUL_8 (Length), Address64->BitWidth));
626*9980SDana.Myers@Sun.COM }
6277851SDana.Myers@Sun.COM
6287851SDana.Myers@Sun.COM if (FadtInfoTable[i].Type & ACPI_FADT_REQUIRED)
6297851SDana.Myers@Sun.COM {
6307851SDana.Myers@Sun.COM /*
6317851SDana.Myers@Sun.COM * Field is required (PM1aEvent, PM1aControl, PmTimer).
6327851SDana.Myers@Sun.COM * Both the address and length must be non-zero.
6337851SDana.Myers@Sun.COM */
6347851SDana.Myers@Sun.COM if (!Address64->Address || !Length)
6357851SDana.Myers@Sun.COM {
6367851SDana.Myers@Sun.COM ACPI_ERROR ((AE_INFO,
637*9980SDana.Myers@Sun.COM "Required field %s has zero address and/or length:"
638*9980SDana.Myers@Sun.COM " %8.8X%8.8X/%X",
639*9980SDana.Myers@Sun.COM Name, ACPI_FORMAT_UINT64 (Address64->Address), Length));
6407851SDana.Myers@Sun.COM }
6417851SDana.Myers@Sun.COM }
6427851SDana.Myers@Sun.COM else if (FadtInfoTable[i].Type & ACPI_FADT_SEPARATE_LENGTH)
6437851SDana.Myers@Sun.COM {
6447851SDana.Myers@Sun.COM /*
6457851SDana.Myers@Sun.COM * Field is optional (PM2Control, GPE0, GPE1) AND has its own
646*9980SDana.Myers@Sun.COM * length field. If present, both the address and length must
647*9980SDana.Myers@Sun.COM * be valid.
6487851SDana.Myers@Sun.COM */
649*9980SDana.Myers@Sun.COM if ((Address64->Address && !Length) ||
650*9980SDana.Myers@Sun.COM (!Address64->Address && Length))
6517851SDana.Myers@Sun.COM {
6527851SDana.Myers@Sun.COM ACPI_WARNING ((AE_INFO,
653*9980SDana.Myers@Sun.COM "Optional field %s has zero address or length: "
654*9980SDana.Myers@Sun.COM "%8.8X%8.8X/%X",
655*9980SDana.Myers@Sun.COM Name, ACPI_FORMAT_UINT64 (Address64->Address), Length));
6567851SDana.Myers@Sun.COM }
6577851SDana.Myers@Sun.COM }
6587851SDana.Myers@Sun.COM }
6597851SDana.Myers@Sun.COM }
6607851SDana.Myers@Sun.COM
661*9980SDana.Myers@Sun.COM
662*9980SDana.Myers@Sun.COM /*******************************************************************************
663*9980SDana.Myers@Sun.COM *
664*9980SDana.Myers@Sun.COM * FUNCTION: AcpiTbSetupFadtRegisters
665*9980SDana.Myers@Sun.COM *
666*9980SDana.Myers@Sun.COM * PARAMETERS: None, uses AcpiGbl_FADT.
667*9980SDana.Myers@Sun.COM *
668*9980SDana.Myers@Sun.COM * RETURN: None
669*9980SDana.Myers@Sun.COM *
670*9980SDana.Myers@Sun.COM * DESCRIPTION: Initialize global ACPI PM1 register definitions. Optionally,
671*9980SDana.Myers@Sun.COM * force FADT register definitions to their default lengths.
672*9980SDana.Myers@Sun.COM *
673*9980SDana.Myers@Sun.COM ******************************************************************************/
674*9980SDana.Myers@Sun.COM
675*9980SDana.Myers@Sun.COM static void
AcpiTbSetupFadtRegisters(void)676*9980SDana.Myers@Sun.COM AcpiTbSetupFadtRegisters (
677*9980SDana.Myers@Sun.COM void)
678*9980SDana.Myers@Sun.COM {
679*9980SDana.Myers@Sun.COM ACPI_GENERIC_ADDRESS *Target64;
680*9980SDana.Myers@Sun.COM ACPI_GENERIC_ADDRESS *Source64;
681*9980SDana.Myers@Sun.COM UINT8 Pm1RegisterByteWidth;
682*9980SDana.Myers@Sun.COM UINT32 i;
683*9980SDana.Myers@Sun.COM
684*9980SDana.Myers@Sun.COM
685*9980SDana.Myers@Sun.COM /*
686*9980SDana.Myers@Sun.COM * Optionally check all register lengths against the default values and
687*9980SDana.Myers@Sun.COM * update them if they are incorrect.
688*9980SDana.Myers@Sun.COM */
689*9980SDana.Myers@Sun.COM if (AcpiGbl_UseDefaultRegisterWidths)
690*9980SDana.Myers@Sun.COM {
691*9980SDana.Myers@Sun.COM for (i = 0; i < ACPI_FADT_INFO_ENTRIES; i++)
692*9980SDana.Myers@Sun.COM {
693*9980SDana.Myers@Sun.COM Target64 = ACPI_ADD_PTR (ACPI_GENERIC_ADDRESS, &AcpiGbl_FADT,
694*9980SDana.Myers@Sun.COM FadtInfoTable[i].Address64);
695*9980SDana.Myers@Sun.COM
696*9980SDana.Myers@Sun.COM /*
697*9980SDana.Myers@Sun.COM * If a valid register (Address != 0) and the (DefaultLength > 0)
698*9980SDana.Myers@Sun.COM * (Not a GPE register), then check the width against the default.
699*9980SDana.Myers@Sun.COM */
700*9980SDana.Myers@Sun.COM if ((Target64->Address) &&
701*9980SDana.Myers@Sun.COM (FadtInfoTable[i].DefaultLength > 0) &&
702*9980SDana.Myers@Sun.COM (FadtInfoTable[i].DefaultLength != Target64->BitWidth))
703*9980SDana.Myers@Sun.COM {
704*9980SDana.Myers@Sun.COM ACPI_WARNING ((AE_INFO,
705*9980SDana.Myers@Sun.COM "Invalid length for %s: %d, using default %d",
706*9980SDana.Myers@Sun.COM FadtInfoTable[i].Name, Target64->BitWidth,
707*9980SDana.Myers@Sun.COM FadtInfoTable[i].DefaultLength));
708*9980SDana.Myers@Sun.COM
709*9980SDana.Myers@Sun.COM /* Incorrect size, set width to the default */
710*9980SDana.Myers@Sun.COM
711*9980SDana.Myers@Sun.COM Target64->BitWidth = FadtInfoTable[i].DefaultLength;
712*9980SDana.Myers@Sun.COM }
713*9980SDana.Myers@Sun.COM }
714*9980SDana.Myers@Sun.COM }
715*9980SDana.Myers@Sun.COM
716*9980SDana.Myers@Sun.COM /*
717*9980SDana.Myers@Sun.COM * Get the length of the individual PM1 registers (enable and status).
718*9980SDana.Myers@Sun.COM * Each register is defined to be (event block length / 2). Extra divide
719*9980SDana.Myers@Sun.COM * by 8 converts bits to bytes.
720*9980SDana.Myers@Sun.COM */
721*9980SDana.Myers@Sun.COM Pm1RegisterByteWidth = (UINT8)
722*9980SDana.Myers@Sun.COM ACPI_DIV_16 (AcpiGbl_FADT.XPm1aEventBlock.BitWidth);
723*9980SDana.Myers@Sun.COM
724*9980SDana.Myers@Sun.COM /*
725*9980SDana.Myers@Sun.COM * Calculate separate GAS structs for the PM1x (A/B) Status and Enable
726*9980SDana.Myers@Sun.COM * registers. These addresses do not appear (directly) in the FADT, so it
727*9980SDana.Myers@Sun.COM * is useful to pre-calculate them from the PM1 Event Block definitions.
728*9980SDana.Myers@Sun.COM *
729*9980SDana.Myers@Sun.COM * The PM event blocks are split into two register blocks, first is the
730*9980SDana.Myers@Sun.COM * PM Status Register block, followed immediately by the PM Enable
731*9980SDana.Myers@Sun.COM * Register block. Each is of length (Pm1EventLength/2)
732*9980SDana.Myers@Sun.COM *
733*9980SDana.Myers@Sun.COM * Note: The PM1A event block is required by the ACPI specification.
734*9980SDana.Myers@Sun.COM * However, the PM1B event block is optional and is rarely, if ever,
735*9980SDana.Myers@Sun.COM * used.
736*9980SDana.Myers@Sun.COM */
737*9980SDana.Myers@Sun.COM
738*9980SDana.Myers@Sun.COM for (i = 0; i < ACPI_FADT_PM_INFO_ENTRIES; i++)
739*9980SDana.Myers@Sun.COM {
740*9980SDana.Myers@Sun.COM Source64 = ACPI_ADD_PTR (ACPI_GENERIC_ADDRESS, &AcpiGbl_FADT,
741*9980SDana.Myers@Sun.COM FadtPmInfoTable[i].Source);
742*9980SDana.Myers@Sun.COM
743*9980SDana.Myers@Sun.COM if (Source64->Address)
744*9980SDana.Myers@Sun.COM {
745*9980SDana.Myers@Sun.COM AcpiTbInitGenericAddress (FadtPmInfoTable[i].Target,
746*9980SDana.Myers@Sun.COM Source64->SpaceId, Pm1RegisterByteWidth,
747*9980SDana.Myers@Sun.COM Source64->Address +
748*9980SDana.Myers@Sun.COM (FadtPmInfoTable[i].RegisterNum * Pm1RegisterByteWidth));
749*9980SDana.Myers@Sun.COM }
750*9980SDana.Myers@Sun.COM }
751*9980SDana.Myers@Sun.COM }
752*9980SDana.Myers@Sun.COM
753