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1 | /*++\r |
2 | \r | |
3 | Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>\r | |
4 | \r\r | |
5 | This program and the accompanying materials are licensed and made available under\r\r | |
6 | the terms and conditions of the BSD License that accompanies this distribution. \r\r | |
7 | The full text of the license may be found at \r\r | |
8 | http://opensource.org/licenses/bsd-license.php. \r\r | |
9 | \r\r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r\r | |
12 | \r\r | |
13 | \r | |
14 | \r | |
15 | Module Name:\r | |
16 | \r | |
17 | CmosTable.h\r | |
18 | \r | |
19 | Abstract:\r | |
20 | \r | |
21 | --*/\r | |
22 | \r | |
23 | #include <Base.h>\r | |
24 | #include <Library/IoLib.h>\r | |
25 | #include <Library/PlatformCmosLib.h>\r | |
26 | #include "CmosMap.h"\r | |
27 | #include <PchAccess.h>\r | |
28 | #include "PlatformBaseAddresses.h"\r | |
29 | \r | |
30 | #define DEFAULT_VALUE 0\r | |
31 | #define DEFAULT_ATTRIBUTES 0\r | |
32 | #define EXCLUDE_FROM_CHECKSUM CMOS_ATTRIBUTE_EXCLUDE_FROM_CHECKSUM\r | |
33 | \r | |
34 | #define CMOS_DEBUG_PRINT_LEVEL_DEFAULT_VALUE 0x46 // EFI_D_WARN|EFI_D_INFO|EFI_D_LOAD\r | |
35 | #define CMOS_DEBUG_PRINT_LEVEL_3_DEFAULT_VALUE 0x80 // EFI_D_ERROR\r | |
36 | \r | |
37 | //\r | |
38 | // Add the CMOS entry below\r | |
39 | //\r | |
40 | CMOS_ENTRY mCmosTable[] = {\r | |
41 | { CPU_HT_POLICY, CPU_HT_POLICY_ENABLED, EXCLUDE_FROM_CHECKSUM },\r | |
42 | { TPM_POLICY, TPM_POLICY_ENABLED, DEFAULT_ATTRIBUTES },\r | |
43 | { CMOS_LCDPANELTYPE_REG, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },\r | |
44 | { CMOS_LCDPANELSCALING_REG, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },\r | |
45 | { CMOS_IGDBOOTTYPE_REG, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },\r | |
46 | { CMOS_BACKLIGHT_REG, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },\r | |
47 | { CMOS_LFP_PANEL_COLOR_DEPTH_REG, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },\r | |
48 | { CMOS_EDP_ACTIVE_LFP_CONFIG_REG, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },\r | |
49 | { CMOS_PRIMARY_DISPLAY_REG, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },\r | |
50 | { CMOS_IGD_DISPLAY_PIPE_B_REG, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },\r | |
51 | { CMOS_SDVOPANELTYPE_REG, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },\r | |
52 | { CMOS_PLATFORM_RESET_OS, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },\r | |
53 | { CMOS_CPU_BSP_SELECT, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },\r | |
54 | { CMOS_CPU_RATIO_OFFSET, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },\r | |
55 | { CMOS_ICH_PORT80_OFFSET, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },\r | |
56 | { CMOS_MAXRATIO_CONFIG_REG, DEFAULT_VALUE, DEFAULT_ATTRIBUTES },\r | |
57 | { RTC_ADDRESS_CENTURY, RTC_ADDRESS_CENTURY_DEFAULT, CMOS_ATTRIBUTE_EXCLUDE_FROM_CHECKSUM },\r | |
58 | { CMOS_POST_CODE_BREAK_REG, DEFAULT_VALUE, EXCLUDE_FROM_CHECKSUM },\r | |
59 | { CMOS_POST_CODE_BREAK_1_REG, DEFAULT_VALUE, EXCLUDE_FROM_CHECKSUM },\r | |
60 | { CMOS_POST_CODE_BREAK_2_REG, DEFAULT_VALUE, EXCLUDE_FROM_CHECKSUM },\r | |
61 | { CMOS_POST_CODE_BREAK_3_REG, DEFAULT_VALUE, EXCLUDE_FROM_CHECKSUM },\r | |
62 | { CMOS_DEBUG_PRINT_LEVEL_REG, CMOS_DEBUG_PRINT_LEVEL_DEFAULT_VALUE, EXCLUDE_FROM_CHECKSUM },\r | |
63 | { CMOS_DEBUG_PRINT_LEVEL_1_REG, DEFAULT_VALUE, EXCLUDE_FROM_CHECKSUM },\r | |
64 | { CMOS_DEBUG_PRINT_LEVEL_2_REG, DEFAULT_VALUE, EXCLUDE_FROM_CHECKSUM },\r | |
65 | { CMOS_DEBUG_PRINT_LEVEL_3_REG, CMOS_DEBUG_PRINT_LEVEL_3_DEFAULT_VALUE, EXCLUDE_FROM_CHECKSUM },\r | |
66 | };\r | |
67 | \r | |
68 | /**\r | |
69 | Funtion to return platform CMOS entry.\r | |
70 | \r | |
71 | @param [out] CmosEntry Platform CMOS entry.\r | |
72 | \r | |
73 | @param [out] CmosEntryCount Number of platform CMOS entry.\r | |
74 | \r | |
75 | @return Status.\r | |
76 | **/\r | |
77 | RETURN_STATUS\r | |
78 | EFIAPI\r | |
79 | GetPlatformCmosEntry (\r | |
80 | OUT CMOS_ENTRY **CmosEntry,\r | |
81 | OUT UINTN *CmosEntryCount\r | |
82 | )\r | |
83 | {\r | |
84 | *CmosEntry = mCmosTable;\r | |
85 | *CmosEntryCount = sizeof(mCmosTable)/sizeof(mCmosTable[0]);\r | |
86 | return RETURN_SUCCESS;\r | |
87 | }\r | |
88 | \r | |
89 | /**\r | |
90 | Function to check if Battery lost or CMOS cleared.\r | |
91 | \r | |
92 | @reval TRUE Battery is always present.\r | |
93 | @reval FALSE CMOS is cleared.\r | |
94 | **/\r | |
95 | BOOLEAN\r | |
96 | EFIAPI\r | |
97 | CheckCmosBatteryStatus (\r | |
98 | VOID\r | |
99 | )\r | |
100 | {\r | |
101 | //\r | |
102 | // Check if the CMOS battery is present\r | |
103 | // Checks RTC_PWR_STS bit in the GEN_PMCON_1 register\r | |
104 | //\r | |
105 | \r | |
106 | if ((MmioRead8 (PMC_BASE_ADDRESS + R_PCH_PMC_GEN_PMCON_1) & B_PCH_PMC_GEN_PMCON_RTC_PWR_STS) == 0) {\r | |
107 | return TRUE;\r | |
108 | } else {\r | |
109 | return FALSE;\r | |
110 | }\r | |
111 | }\r |