QuarkSocPkg/QncSmmDispatcher: Fix context passed to SMI handlers
[mirror_edk2.git] / QuarkSocPkg / QuarkNorthCluster / Spi / Smm / PchSpi.c
1 /** @file
2
3 PCH SPI SMM Driver implements the SPI Host Controller Compatibility Interface.
4
5 Copyright (c) 2013-2015 Intel Corporation.
6
7 This program and the accompanying materials
8 are licensed and made available under the terms and conditions of the BSD License
9 which accompanies this distribution. The full text of the license may be found at
10 http://opensource.org/licenses/bsd-license.php
11
12 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
13 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
14
15
16 **/
17 #include "PchSpi.h"
18
19 SPI_INSTANCE *mSpiInstance;
20
21 CONST UINT32 mSpiRegister[] = {
22 R_QNC_RCRB_SPIS,
23 R_QNC_RCRB_SPIPREOP,
24 R_QNC_RCRB_SPIOPMENU,
25 R_QNC_RCRB_SPIOPMENU + 4
26 };
27
28 EFI_STATUS
29 EFIAPI
30 InstallPchSpi (
31 IN EFI_HANDLE ImageHandle,
32 IN EFI_SYSTEM_TABLE *SystemTable
33 )
34 /*++
35
36 Routine Description:
37
38 Entry point for the SPI host controller driver.
39
40 Arguments:
41
42 ImageHandle Image handle of this driver.
43 SystemTable Global system service table.
44
45 Returns:
46
47 EFI_SUCCESS Initialization complete.
48 EFI_UNSUPPORTED The chipset is unsupported by this driver.
49 EFI_OUT_OF_RESOURCES Do not have enough resources to initialize the driver.
50 EFI_DEVICE_ERROR Device error, driver exits abnormally.
51
52 --*/
53 {
54 EFI_STATUS Status;
55
56 //
57 // Allocate pool for SPI protocol instance
58 //
59 Status = gSmst->SmmAllocatePool (
60 EfiRuntimeServicesData, // MemoryType don't care
61 sizeof (SPI_INSTANCE),
62 (VOID **) &mSpiInstance
63 );
64 if (EFI_ERROR (Status)) {
65 return Status;
66 }
67 if (mSpiInstance == NULL) {
68 return EFI_OUT_OF_RESOURCES;
69 }
70 ZeroMem ((VOID *) mSpiInstance, sizeof (SPI_INSTANCE));
71 //
72 // Initialize the SPI protocol instance
73 //
74 Status = SpiProtocolConstructor (mSpiInstance);
75 if (EFI_ERROR (Status)) {
76 return Status;
77 }
78
79 //
80 // Install the SMM EFI_SPI_PROTOCOL interface
81 //
82 Status = gSmst->SmmInstallProtocolInterface (
83 &(mSpiInstance->Handle),
84 &gEfiSmmSpiProtocolGuid,
85 EFI_NATIVE_INTERFACE,
86 &(mSpiInstance->SpiProtocol)
87 );
88 if (EFI_ERROR (Status)) {
89 gSmst->SmmFreePool (mSpiInstance);
90 return EFI_DEVICE_ERROR;
91 }
92
93 return EFI_SUCCESS;
94 }
95
96 VOID
97 EFIAPI
98 SpiPhaseInit (
99 VOID
100 )
101 /*++
102 Routine Description:
103
104 This function is a a hook for Spi Smm phase specific initialization
105
106 Arguments:
107
108 None
109
110 Returns:
111
112 None
113
114 --*/
115 {
116 UINTN Index;
117
118 //
119 // Save SPI Registers for S3 resume usage
120 //
121 for (Index = 0; Index < sizeof (mSpiRegister) / sizeof (UINT32); Index++) {
122 S3BootScriptSaveMemWrite (
123 S3BootScriptWidthUint32,
124 (UINTN) (mSpiInstance->PchRootComplexBar + mSpiRegister[Index]),
125 1,
126 (VOID *) (UINTN) (mSpiInstance->PchRootComplexBar + mSpiRegister[Index])
127 );
128 }
129 }