17b1019a6SJerry Jelinek /******************************************************************************
27b1019a6SJerry Jelinek *
37b1019a6SJerry Jelinek * Module Name: utxfinit - External interfaces for ACPICA initialization
47b1019a6SJerry Jelinek *
57b1019a6SJerry Jelinek *****************************************************************************/
67b1019a6SJerry Jelinek
7*35786f68SRobert Mustacchi /******************************************************************************
8*35786f68SRobert Mustacchi *
9*35786f68SRobert Mustacchi * 1. Copyright Notice
10*35786f68SRobert Mustacchi *
11*35786f68SRobert Mustacchi * Some or all of this work - Copyright (c) 1999 - 2018, Intel Corp.
127b1019a6SJerry Jelinek * All rights reserved.
137b1019a6SJerry Jelinek *
14*35786f68SRobert Mustacchi * 2. License
15*35786f68SRobert Mustacchi *
16*35786f68SRobert Mustacchi * 2.1. This is your license from Intel Corp. under its intellectual property
17*35786f68SRobert Mustacchi * rights. You may have additional license terms from the party that provided
18*35786f68SRobert Mustacchi * you this software, covering your right to use that party's intellectual
19*35786f68SRobert Mustacchi * property rights.
20*35786f68SRobert Mustacchi *
21*35786f68SRobert Mustacchi * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22*35786f68SRobert Mustacchi * copy of the source code appearing in this file ("Covered Code") an
23*35786f68SRobert Mustacchi * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24*35786f68SRobert Mustacchi * base code distributed originally by Intel ("Original Intel Code") to copy,
25*35786f68SRobert Mustacchi * make derivatives, distribute, use and display any portion of the Covered
26*35786f68SRobert Mustacchi * Code in any form, with the right to sublicense such rights; and
27*35786f68SRobert Mustacchi *
28*35786f68SRobert Mustacchi * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29*35786f68SRobert Mustacchi * license (with the right to sublicense), under only those claims of Intel
30*35786f68SRobert Mustacchi * patents that are infringed by the Original Intel Code, to make, use, sell,
31*35786f68SRobert Mustacchi * offer to sell, and import the Covered Code and derivative works thereof
32*35786f68SRobert Mustacchi * solely to the minimum extent necessary to exercise the above copyright
33*35786f68SRobert Mustacchi * license, and in no event shall the patent license extend to any additions
34*35786f68SRobert Mustacchi * to or modifications of the Original Intel Code. No other license or right
35*35786f68SRobert Mustacchi * is granted directly or by implication, estoppel or otherwise;
36*35786f68SRobert Mustacchi *
37*35786f68SRobert Mustacchi * The above copyright and patent license is granted only if the following
38*35786f68SRobert Mustacchi * conditions are met:
39*35786f68SRobert Mustacchi *
40*35786f68SRobert Mustacchi * 3. Conditions
41*35786f68SRobert Mustacchi *
42*35786f68SRobert Mustacchi * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
44*35786f68SRobert Mustacchi * Code or modification with rights to further distribute source must include
45*35786f68SRobert Mustacchi * the above Copyright Notice, the above License, this list of Conditions,
46*35786f68SRobert Mustacchi * and the following Disclaimer and Export Compliance provision. In addition,
47*35786f68SRobert Mustacchi * Licensee must cause all Covered Code to which Licensee contributes to
48*35786f68SRobert Mustacchi * contain a file documenting the changes Licensee made to create that Covered
49*35786f68SRobert Mustacchi * Code and the date of any change. Licensee must include in that file the
50*35786f68SRobert Mustacchi * documentation of any changes made by any predecessor Licensee. Licensee
51*35786f68SRobert Mustacchi * must include a prominent statement that the modification is derived,
52*35786f68SRobert Mustacchi * directly or indirectly, from Original Intel Code.
53*35786f68SRobert Mustacchi *
54*35786f68SRobert Mustacchi * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55*35786f68SRobert Mustacchi * Redistribution of source code of any substantial portion of the Covered
56*35786f68SRobert Mustacchi * Code or modification without rights to further distribute source must
57*35786f68SRobert Mustacchi * include the following Disclaimer and Export Compliance provision in the
58*35786f68SRobert Mustacchi * documentation and/or other materials provided with distribution. In
59*35786f68SRobert Mustacchi * addition, Licensee may not authorize further sublicense of source of any
60*35786f68SRobert Mustacchi * portion of the Covered Code, and must include terms to the effect that the
61*35786f68SRobert Mustacchi * license from Licensee to its licensee is limited to the intellectual
62*35786f68SRobert Mustacchi * property embodied in the software Licensee provides to its licensee, and
63*35786f68SRobert Mustacchi * not to intellectual property embodied in modifications its licensee may
64*35786f68SRobert Mustacchi * make.
65*35786f68SRobert Mustacchi *
66*35786f68SRobert Mustacchi * 3.3. Redistribution of Executable. Redistribution in executable form of any
67*35786f68SRobert Mustacchi * substantial portion of the Covered Code or modification must reproduce the
68*35786f68SRobert Mustacchi * above Copyright Notice, and the following Disclaimer and Export Compliance
69*35786f68SRobert Mustacchi * provision in the documentation and/or other materials provided with the
70*35786f68SRobert Mustacchi * distribution.
71*35786f68SRobert Mustacchi *
72*35786f68SRobert Mustacchi * 3.4. Intel retains all right, title, and interest in and to the Original
73*35786f68SRobert Mustacchi * Intel Code.
74*35786f68SRobert Mustacchi *
75*35786f68SRobert Mustacchi * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76*35786f68SRobert Mustacchi * Intel shall be used in advertising or otherwise to promote the sale, use or
77*35786f68SRobert Mustacchi * other dealings in products derived from or relating to the Covered Code
78*35786f68SRobert Mustacchi * without prior written authorization from Intel.
79*35786f68SRobert Mustacchi *
80*35786f68SRobert Mustacchi * 4. Disclaimer and Export Compliance
81*35786f68SRobert Mustacchi *
82*35786f68SRobert Mustacchi * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83*35786f68SRobert Mustacchi * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84*35786f68SRobert Mustacchi * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85*35786f68SRobert Mustacchi * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86*35786f68SRobert Mustacchi * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87*35786f68SRobert Mustacchi * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88*35786f68SRobert Mustacchi * PARTICULAR PURPOSE.
89*35786f68SRobert Mustacchi *
90*35786f68SRobert Mustacchi * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91*35786f68SRobert Mustacchi * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92*35786f68SRobert Mustacchi * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93*35786f68SRobert Mustacchi * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94*35786f68SRobert Mustacchi * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95*35786f68SRobert Mustacchi * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96*35786f68SRobert Mustacchi * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97*35786f68SRobert Mustacchi * LIMITED REMEDY.
98*35786f68SRobert Mustacchi *
99*35786f68SRobert Mustacchi * 4.3. Licensee shall not export, either directly or indirectly, any of this
100*35786f68SRobert Mustacchi * software or system incorporating such software without first obtaining any
101*35786f68SRobert Mustacchi * required license or other approval from the U. S. Department of Commerce or
102*35786f68SRobert Mustacchi * any other agency or department of the United States Government. In the
103*35786f68SRobert Mustacchi * event Licensee exports any such software from the United States or
104*35786f68SRobert Mustacchi * re-exports any such software from a foreign destination, Licensee shall
105*35786f68SRobert Mustacchi * ensure that the distribution and export/re-export of the software is in
106*35786f68SRobert Mustacchi * compliance with all laws, regulations, orders, or other restrictions of the
107*35786f68SRobert Mustacchi * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108*35786f68SRobert Mustacchi * any of its subsidiaries will export/re-export any technical data, process,
109*35786f68SRobert Mustacchi * software, or service, directly or indirectly, to any country for which the
110*35786f68SRobert Mustacchi * United States government or any agency thereof requires an export license,
111*35786f68SRobert Mustacchi * other governmental approval, or letter of assurance, without first obtaining
112*35786f68SRobert Mustacchi * such license, approval or letter.
113*35786f68SRobert Mustacchi *
114*35786f68SRobert Mustacchi *****************************************************************************
115*35786f68SRobert Mustacchi *
116*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
117*35786f68SRobert Mustacchi * following license:
118*35786f68SRobert Mustacchi *
1197b1019a6SJerry Jelinek * Redistribution and use in source and binary forms, with or without
1207b1019a6SJerry Jelinek * modification, are permitted provided that the following conditions
1217b1019a6SJerry Jelinek * are met:
1227b1019a6SJerry Jelinek * 1. Redistributions of source code must retain the above copyright
1237b1019a6SJerry Jelinek * notice, this list of conditions, and the following disclaimer,
1247b1019a6SJerry Jelinek * without modification.
1257b1019a6SJerry Jelinek * 2. Redistributions in binary form must reproduce at minimum a disclaimer
1267b1019a6SJerry Jelinek * substantially similar to the "NO WARRANTY" disclaimer below
1277b1019a6SJerry Jelinek * ("Disclaimer") and any redistribution must be conditioned upon
1287b1019a6SJerry Jelinek * including a substantially similar Disclaimer requirement for further
1297b1019a6SJerry Jelinek * binary redistribution.
1307b1019a6SJerry Jelinek * 3. Neither the names of the above-listed copyright holders nor the names
1317b1019a6SJerry Jelinek * of any contributors may be used to endorse or promote products derived
1327b1019a6SJerry Jelinek * from this software without specific prior written permission.
1337b1019a6SJerry Jelinek *
1347b1019a6SJerry Jelinek * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1357b1019a6SJerry Jelinek * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136*35786f68SRobert Mustacchi * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1377b1019a6SJerry Jelinek * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138*35786f68SRobert Mustacchi * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139*35786f68SRobert Mustacchi * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140*35786f68SRobert Mustacchi * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141*35786f68SRobert Mustacchi * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142*35786f68SRobert Mustacchi * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143*35786f68SRobert Mustacchi * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144*35786f68SRobert Mustacchi * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145*35786f68SRobert Mustacchi *
146*35786f68SRobert Mustacchi * Alternatively, you may choose to be licensed under the terms of the
147*35786f68SRobert Mustacchi * GNU General Public License ("GPL") version 2 as published by the Free
148*35786f68SRobert Mustacchi * Software Foundation.
149*35786f68SRobert Mustacchi *
150*35786f68SRobert Mustacchi *****************************************************************************/
1517b1019a6SJerry Jelinek
1527b1019a6SJerry Jelinek #define EXPORT_ACPI_INTERFACES
1537b1019a6SJerry Jelinek
1547b1019a6SJerry Jelinek #include "acpi.h"
1557b1019a6SJerry Jelinek #include "accommon.h"
1567b1019a6SJerry Jelinek #include "acevents.h"
1577b1019a6SJerry Jelinek #include "acnamesp.h"
1587b1019a6SJerry Jelinek #include "acdebug.h"
1597b1019a6SJerry Jelinek #include "actables.h"
1607b1019a6SJerry Jelinek
1617b1019a6SJerry Jelinek #define _COMPONENT ACPI_UTILITIES
1627b1019a6SJerry Jelinek ACPI_MODULE_NAME ("utxfinit")
1637b1019a6SJerry Jelinek
1647b1019a6SJerry Jelinek /* For AcpiExec only */
1657b1019a6SJerry Jelinek void
1667b1019a6SJerry Jelinek AeDoObjectOverrides (
1677b1019a6SJerry Jelinek void);
1687b1019a6SJerry Jelinek
1697b1019a6SJerry Jelinek
1707b1019a6SJerry Jelinek /*******************************************************************************
1717b1019a6SJerry Jelinek *
1727b1019a6SJerry Jelinek * FUNCTION: AcpiInitializeSubsystem
1737b1019a6SJerry Jelinek *
1747b1019a6SJerry Jelinek * PARAMETERS: None
1757b1019a6SJerry Jelinek *
1767b1019a6SJerry Jelinek * RETURN: Status
1777b1019a6SJerry Jelinek *
1787b1019a6SJerry Jelinek * DESCRIPTION: Initializes all global variables. This is the first function
1797b1019a6SJerry Jelinek * called, so any early initialization belongs here.
1807b1019a6SJerry Jelinek *
1817b1019a6SJerry Jelinek ******************************************************************************/
1827b1019a6SJerry Jelinek
183*35786f68SRobert Mustacchi ACPI_STATUS ACPI_INIT_FUNCTION
AcpiInitializeSubsystem(void)1847b1019a6SJerry Jelinek AcpiInitializeSubsystem (
1857b1019a6SJerry Jelinek void)
1867b1019a6SJerry Jelinek {
1877b1019a6SJerry Jelinek ACPI_STATUS Status;
1887b1019a6SJerry Jelinek
1897b1019a6SJerry Jelinek
1907b1019a6SJerry Jelinek ACPI_FUNCTION_TRACE (AcpiInitializeSubsystem);
1917b1019a6SJerry Jelinek
1927b1019a6SJerry Jelinek
1937b1019a6SJerry Jelinek AcpiGbl_StartupFlags = ACPI_SUBSYSTEM_INITIALIZE;
1947b1019a6SJerry Jelinek ACPI_DEBUG_EXEC (AcpiUtInitStackPtrTrace ());
1957b1019a6SJerry Jelinek
1967b1019a6SJerry Jelinek /* Initialize the OS-Dependent layer */
1977b1019a6SJerry Jelinek
1987b1019a6SJerry Jelinek Status = AcpiOsInitialize ();
1997b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
2007b1019a6SJerry Jelinek {
2017b1019a6SJerry Jelinek ACPI_EXCEPTION ((AE_INFO, Status, "During OSL initialization"));
2027b1019a6SJerry Jelinek return_ACPI_STATUS (Status);
2037b1019a6SJerry Jelinek }
2047b1019a6SJerry Jelinek
2057b1019a6SJerry Jelinek /* Initialize all globals used by the subsystem */
2067b1019a6SJerry Jelinek
2077b1019a6SJerry Jelinek Status = AcpiUtInitGlobals ();
2087b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
2097b1019a6SJerry Jelinek {
2107b1019a6SJerry Jelinek ACPI_EXCEPTION ((AE_INFO, Status, "During initialization of globals"));
2117b1019a6SJerry Jelinek return_ACPI_STATUS (Status);
2127b1019a6SJerry Jelinek }
2137b1019a6SJerry Jelinek
2147b1019a6SJerry Jelinek /* Create the default mutex objects */
2157b1019a6SJerry Jelinek
2167b1019a6SJerry Jelinek Status = AcpiUtMutexInitialize ();
2177b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
2187b1019a6SJerry Jelinek {
2197b1019a6SJerry Jelinek ACPI_EXCEPTION ((AE_INFO, Status, "During Global Mutex creation"));
2207b1019a6SJerry Jelinek return_ACPI_STATUS (Status);
2217b1019a6SJerry Jelinek }
2227b1019a6SJerry Jelinek
2237b1019a6SJerry Jelinek /*
2247b1019a6SJerry Jelinek * Initialize the namespace manager and
2257b1019a6SJerry Jelinek * the root of the namespace tree
2267b1019a6SJerry Jelinek */
2277b1019a6SJerry Jelinek Status = AcpiNsRootInitialize ();
2287b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
2297b1019a6SJerry Jelinek {
2307b1019a6SJerry Jelinek ACPI_EXCEPTION ((AE_INFO, Status, "During Namespace initialization"));
2317b1019a6SJerry Jelinek return_ACPI_STATUS (Status);
2327b1019a6SJerry Jelinek }
2337b1019a6SJerry Jelinek
2347b1019a6SJerry Jelinek /* Initialize the global OSI interfaces list with the static names */
2357b1019a6SJerry Jelinek
2367b1019a6SJerry Jelinek Status = AcpiUtInitializeInterfaces ();
2377b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
2387b1019a6SJerry Jelinek {
2397b1019a6SJerry Jelinek ACPI_EXCEPTION ((AE_INFO, Status, "During OSI interfaces initialization"));
2407b1019a6SJerry Jelinek return_ACPI_STATUS (Status);
2417b1019a6SJerry Jelinek }
2427b1019a6SJerry Jelinek
2437b1019a6SJerry Jelinek return_ACPI_STATUS (AE_OK);
2447b1019a6SJerry Jelinek }
2457b1019a6SJerry Jelinek
ACPI_EXPORT_SYMBOL_INIT(AcpiInitializeSubsystem)2467b1019a6SJerry Jelinek ACPI_EXPORT_SYMBOL_INIT (AcpiInitializeSubsystem)
2477b1019a6SJerry Jelinek
2487b1019a6SJerry Jelinek
2497b1019a6SJerry Jelinek /*******************************************************************************
2507b1019a6SJerry Jelinek *
2517b1019a6SJerry Jelinek * FUNCTION: AcpiEnableSubsystem
2527b1019a6SJerry Jelinek *
2537b1019a6SJerry Jelinek * PARAMETERS: Flags - Init/enable Options
2547b1019a6SJerry Jelinek *
2557b1019a6SJerry Jelinek * RETURN: Status
2567b1019a6SJerry Jelinek *
2577b1019a6SJerry Jelinek * DESCRIPTION: Completes the subsystem initialization including hardware.
2587b1019a6SJerry Jelinek * Puts system into ACPI mode if it isn't already.
2597b1019a6SJerry Jelinek *
2607b1019a6SJerry Jelinek ******************************************************************************/
2617b1019a6SJerry Jelinek
262*35786f68SRobert Mustacchi ACPI_STATUS ACPI_INIT_FUNCTION
2637b1019a6SJerry Jelinek AcpiEnableSubsystem (
2647b1019a6SJerry Jelinek UINT32 Flags)
2657b1019a6SJerry Jelinek {
2667b1019a6SJerry Jelinek ACPI_STATUS Status = AE_OK;
2677b1019a6SJerry Jelinek
2687b1019a6SJerry Jelinek
2697b1019a6SJerry Jelinek ACPI_FUNCTION_TRACE (AcpiEnableSubsystem);
2707b1019a6SJerry Jelinek
2717b1019a6SJerry Jelinek
2727b1019a6SJerry Jelinek /*
2737b1019a6SJerry Jelinek * The early initialization phase is complete. The namespace is loaded,
2747b1019a6SJerry Jelinek * and we can now support address spaces other than Memory, I/O, and
2757b1019a6SJerry Jelinek * PCI_Config.
2767b1019a6SJerry Jelinek */
2777b1019a6SJerry Jelinek AcpiGbl_EarlyInitialization = FALSE;
2787b1019a6SJerry Jelinek
2797b1019a6SJerry Jelinek #if (!ACPI_REDUCED_HARDWARE)
2807b1019a6SJerry Jelinek
2817b1019a6SJerry Jelinek /* Enable ACPI mode */
2827b1019a6SJerry Jelinek
2837b1019a6SJerry Jelinek if (!(Flags & ACPI_NO_ACPI_ENABLE))
2847b1019a6SJerry Jelinek {
2857b1019a6SJerry Jelinek ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "[Init] Going into ACPI mode\n"));
2867b1019a6SJerry Jelinek
2877b1019a6SJerry Jelinek AcpiGbl_OriginalMode = AcpiHwGetMode();
2887b1019a6SJerry Jelinek
2897b1019a6SJerry Jelinek Status = AcpiEnable ();
2907b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
2917b1019a6SJerry Jelinek {
2927b1019a6SJerry Jelinek ACPI_WARNING ((AE_INFO, "AcpiEnable failed"));
2937b1019a6SJerry Jelinek return_ACPI_STATUS (Status);
2947b1019a6SJerry Jelinek }
2957b1019a6SJerry Jelinek }
2967b1019a6SJerry Jelinek
2977b1019a6SJerry Jelinek /*
2987b1019a6SJerry Jelinek * Obtain a permanent mapping for the FACS. This is required for the
2997b1019a6SJerry Jelinek * Global Lock and the Firmware Waking Vector
3007b1019a6SJerry Jelinek */
3017b1019a6SJerry Jelinek if (!(Flags & ACPI_NO_FACS_INIT))
3027b1019a6SJerry Jelinek {
3037b1019a6SJerry Jelinek Status = AcpiTbInitializeFacs ();
3047b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
3057b1019a6SJerry Jelinek {
3067b1019a6SJerry Jelinek ACPI_WARNING ((AE_INFO, "Could not map the FACS table"));
3077b1019a6SJerry Jelinek return_ACPI_STATUS (Status);
3087b1019a6SJerry Jelinek }
3097b1019a6SJerry Jelinek }
3107b1019a6SJerry Jelinek
3117b1019a6SJerry Jelinek /*
3127b1019a6SJerry Jelinek * Initialize ACPI Event handling (Fixed and General Purpose)
3137b1019a6SJerry Jelinek *
3147b1019a6SJerry Jelinek * Note1: We must have the hardware and events initialized before we can
3157b1019a6SJerry Jelinek * execute any control methods safely. Any control method can require
3167b1019a6SJerry Jelinek * ACPI hardware support, so the hardware must be fully initialized before
3177b1019a6SJerry Jelinek * any method execution!
3187b1019a6SJerry Jelinek *
3197b1019a6SJerry Jelinek * Note2: Fixed events are initialized and enabled here. GPEs are
3207b1019a6SJerry Jelinek * initialized, but cannot be enabled until after the hardware is
3217b1019a6SJerry Jelinek * completely initialized (SCI and GlobalLock activated) and the various
3227b1019a6SJerry Jelinek * initialization control methods are run (_REG, _STA, _INI) on the
3237b1019a6SJerry Jelinek * entire namespace.
3247b1019a6SJerry Jelinek */
3257b1019a6SJerry Jelinek if (!(Flags & ACPI_NO_EVENT_INIT))
3267b1019a6SJerry Jelinek {
3277b1019a6SJerry Jelinek ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
3287b1019a6SJerry Jelinek "[Init] Initializing ACPI events\n"));
3297b1019a6SJerry Jelinek
3307b1019a6SJerry Jelinek Status = AcpiEvInitializeEvents ();
3317b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
3327b1019a6SJerry Jelinek {
3337b1019a6SJerry Jelinek return_ACPI_STATUS (Status);
3347b1019a6SJerry Jelinek }
3357b1019a6SJerry Jelinek }
3367b1019a6SJerry Jelinek
3377b1019a6SJerry Jelinek /*
3387b1019a6SJerry Jelinek * Install the SCI handler and Global Lock handler. This completes the
3397b1019a6SJerry Jelinek * hardware initialization.
3407b1019a6SJerry Jelinek */
3417b1019a6SJerry Jelinek if (!(Flags & ACPI_NO_HANDLER_INIT))
3427b1019a6SJerry Jelinek {
3437b1019a6SJerry Jelinek ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
3447b1019a6SJerry Jelinek "[Init] Installing SCI/GL handlers\n"));
3457b1019a6SJerry Jelinek
3467b1019a6SJerry Jelinek Status = AcpiEvInstallXruptHandlers ();
3477b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
3487b1019a6SJerry Jelinek {
3497b1019a6SJerry Jelinek return_ACPI_STATUS (Status);
3507b1019a6SJerry Jelinek }
3517b1019a6SJerry Jelinek }
3527b1019a6SJerry Jelinek
3537b1019a6SJerry Jelinek #endif /* !ACPI_REDUCED_HARDWARE */
3547b1019a6SJerry Jelinek
3557b1019a6SJerry Jelinek return_ACPI_STATUS (Status);
3567b1019a6SJerry Jelinek }
3577b1019a6SJerry Jelinek
ACPI_EXPORT_SYMBOL_INIT(AcpiEnableSubsystem)3587b1019a6SJerry Jelinek ACPI_EXPORT_SYMBOL_INIT (AcpiEnableSubsystem)
3597b1019a6SJerry Jelinek
3607b1019a6SJerry Jelinek
3617b1019a6SJerry Jelinek /*******************************************************************************
3627b1019a6SJerry Jelinek *
3637b1019a6SJerry Jelinek * FUNCTION: AcpiInitializeObjects
3647b1019a6SJerry Jelinek *
3657b1019a6SJerry Jelinek * PARAMETERS: Flags - Init/enable Options
3667b1019a6SJerry Jelinek *
3677b1019a6SJerry Jelinek * RETURN: Status
3687b1019a6SJerry Jelinek *
3697b1019a6SJerry Jelinek * DESCRIPTION: Completes namespace initialization by initializing device
3707b1019a6SJerry Jelinek * objects and executing AML code for Regions, buffers, etc.
3717b1019a6SJerry Jelinek *
3727b1019a6SJerry Jelinek ******************************************************************************/
3737b1019a6SJerry Jelinek
374*35786f68SRobert Mustacchi ACPI_STATUS ACPI_INIT_FUNCTION
3757b1019a6SJerry Jelinek AcpiInitializeObjects (
3767b1019a6SJerry Jelinek UINT32 Flags)
3777b1019a6SJerry Jelinek {
3787b1019a6SJerry Jelinek ACPI_STATUS Status = AE_OK;
3797b1019a6SJerry Jelinek
3807b1019a6SJerry Jelinek
3817b1019a6SJerry Jelinek ACPI_FUNCTION_TRACE (AcpiInitializeObjects);
3827b1019a6SJerry Jelinek
3837b1019a6SJerry Jelinek
3847b1019a6SJerry Jelinek /*
385*35786f68SRobert Mustacchi * This case handles the legacy option that groups all module-level
386*35786f68SRobert Mustacchi * code blocks together and defers execution until all of the tables
387*35786f68SRobert Mustacchi * are loaded. Execute all of these blocks at this time.
388*35786f68SRobert Mustacchi * Execute any module-level code that was detected during the table
389*35786f68SRobert Mustacchi * load phase.
390*35786f68SRobert Mustacchi *
391*35786f68SRobert Mustacchi * Note: this option is deprecated and will be eliminated in the
392*35786f68SRobert Mustacchi * future. Use of this option can cause problems with AML code that
393*35786f68SRobert Mustacchi * depends upon in-order immediate execution of module-level code.
3947b1019a6SJerry Jelinek */
395*35786f68SRobert Mustacchi AcpiNsExecModuleCodeList ();
3967b1019a6SJerry Jelinek
3977b1019a6SJerry Jelinek /*
398*35786f68SRobert Mustacchi * Initialize the objects that remain uninitialized. This
399*35786f68SRobert Mustacchi * runs the executable AML that may be part of the
400*35786f68SRobert Mustacchi * declaration of these objects:
401*35786f68SRobert Mustacchi * OperationRegions, BufferFields, Buffers, and Packages.
4027b1019a6SJerry Jelinek */
403*35786f68SRobert Mustacchi if (!(Flags & ACPI_NO_OBJECT_INIT))
4047b1019a6SJerry Jelinek {
405*35786f68SRobert Mustacchi Status = AcpiNsInitializeObjects ();
406*35786f68SRobert Mustacchi if (ACPI_FAILURE (Status))
4077b1019a6SJerry Jelinek {
408*35786f68SRobert Mustacchi return_ACPI_STATUS (Status);
4097b1019a6SJerry Jelinek }
4107b1019a6SJerry Jelinek }
4117b1019a6SJerry Jelinek
4127b1019a6SJerry Jelinek /*
4137b1019a6SJerry Jelinek * Initialize all device/region objects in the namespace. This runs
4147b1019a6SJerry Jelinek * the device _STA and _INI methods and region _REG methods.
4157b1019a6SJerry Jelinek */
4167b1019a6SJerry Jelinek if (!(Flags & (ACPI_NO_DEVICE_INIT | ACPI_NO_ADDRESS_SPACE_INIT)))
4177b1019a6SJerry Jelinek {
4187b1019a6SJerry Jelinek Status = AcpiNsInitializeDevices (Flags);
4197b1019a6SJerry Jelinek if (ACPI_FAILURE (Status))
4207b1019a6SJerry Jelinek {
4217b1019a6SJerry Jelinek return_ACPI_STATUS (Status);
4227b1019a6SJerry Jelinek }
4237b1019a6SJerry Jelinek }
4247b1019a6SJerry Jelinek
4257b1019a6SJerry Jelinek /*
4267b1019a6SJerry Jelinek * Empty the caches (delete the cached objects) on the assumption that
4277b1019a6SJerry Jelinek * the table load filled them up more than they will be at runtime --
4287b1019a6SJerry Jelinek * thus wasting non-paged memory.
4297b1019a6SJerry Jelinek */
4307b1019a6SJerry Jelinek Status = AcpiPurgeCachedObjects ();
4317b1019a6SJerry Jelinek
4327b1019a6SJerry Jelinek AcpiGbl_StartupFlags |= ACPI_INITIALIZED_OK;
4337b1019a6SJerry Jelinek return_ACPI_STATUS (Status);
4347b1019a6SJerry Jelinek }
4357b1019a6SJerry Jelinek
4367b1019a6SJerry Jelinek ACPI_EXPORT_SYMBOL_INIT (AcpiInitializeObjects)
437