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1/** @file\r
2Platform helper LED routines.\r
3\r
4Copyright (c) 2013-2015 Intel Corporation.\r
5\r
6This program and the accompanying materials\r
7are licensed and made available under the terms and conditions of the BSD License\r
8which accompanies this distribution. The full text of the license may be found at\r
9http://opensource.org/licenses/bsd-license.php\r
10\r
11THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
12WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
13\r
14**/\r
15\r
16#include <PiDxe.h>\r
17\r
18#include "CommonHeader.h"\r
19\r
20//\r
21// Routines defined in other source modules of this component.\r
22//\r
23\r
24//\r
25// Routines local to this source module.\r
26//\r
27\r
28VOID\r
29GalileoGen2RouteOutFlashUpdateLed (\r
30 VOID\r
31 )\r
32{\r
33 //\r
34 // For GpioNums below values 0 to 7 are for Port0 ie P0-0 - P0-7 and\r
35 // values 8 to 15 are for Port1 ie P1-0 - P1-7.\r
36 //\r
37\r
38 //\r
39 // Disable Pull-ups / pull downs on EXP0 pin for LVL_B_PU7 signal.\r
40 //\r
41 PlatformPcal9555GpioDisablePull (\r
42 GALILEO_GEN2_IOEXP0_7BIT_SLAVE_ADDR, // IO Expander 0.\r
43 15 // P1-7.\r
44 );\r
45\r
46 //\r
47 // Make LVL_B_OE7_N an output pin.\r
48 //\r
49 PlatformPcal9555GpioSetDir (\r
50 GALILEO_GEN2_IOEXP0_7BIT_SLAVE_ADDR, // IO Expander 0.\r
51 14, // P1-6.\r
52 FALSE\r
53 );\r
54\r
55 //\r
56 // Set level of LVL_B_OE7_N to low.\r
57 //\r
58 PlatformPcal9555GpioSetLevel (\r
59 GALILEO_GEN2_IOEXP0_7BIT_SLAVE_ADDR,\r
60 14,\r
61 FALSE\r
62 );\r
63\r
64 //\r
65 // Make MUX8_SEL an output pin.\r
66 //\r
67 PlatformPcal9555GpioSetDir (\r
68 GALILEO_GEN2_IOEXP1_7BIT_SLAVE_ADDR, // IO Expander 1.\r
69 14, // P1-6.\r
70 FALSE\r
71 );\r
72\r
73 //\r
74 // Set level of MUX8_SEL to low to route GPIO_SUS<5> to LED.\r
75 //\r
76 PlatformPcal9555GpioSetLevel (\r
77 GALILEO_GEN2_IOEXP1_7BIT_SLAVE_ADDR, // IO Expander 1.\r
78 14, // P1-6.\r
79 FALSE\r
80 );\r
81}\r
82\r
83//\r
84// Routines exported by this source module.\r
85//\r
86\r
87/**\r
88 Init platform LEDs into known state.\r
89\r
90 @param PlatformType Executing platform type.\r
91 @param I2cBus Pointer to I2c Host controller protocol.\r
92\r
93 @retval EFI_SUCCESS Operation success.\r
94\r
95**/\r
96EFI_STATUS\r
97EFIAPI\r
98PlatformLedInit (\r
99 IN CONST EFI_PLATFORM_TYPE Type\r
100 )\r
101{\r
102 EFI_BOOT_MODE BootMode;\r
103\r
104 BootMode = GetBootModeHob ();\r
105\r
106 //\r
107 // Init Flash update / recovery LED in OFF state.\r
108 //\r
109 if (BootMode == BOOT_ON_FLASH_UPDATE || BootMode == BOOT_IN_RECOVERY_MODE) {\r
110 if (Type == GalileoGen2) {\r
111 PlatformLegacyGpioSetLevel (R_QNC_GPIO_RGLVL_RESUME_WELL, GALILEO_GEN2_FLASH_UPDATE_LED_RESUMEWELL_GPIO, FALSE);\r
112 GalileoGen2RouteOutFlashUpdateLed ();\r
113 } else if (Type == Galileo) {\r
114 PlatformLegacyGpioSetLevel (R_QNC_GPIO_RGLVL_RESUME_WELL, GALILEO_FLASH_UPDATE_LED_RESUMEWELL_GPIO, FALSE);\r
115 } else {\r
116 //\r
117 // These platforms have no flash update LED.\r
118 //\r
119 }\r
120 }\r
121\r
122 return EFI_SUCCESS;\r
123}\r
124\r
125/**\r
126 Turn on or off platform flash update LED.\r
127\r
128 @param PlatformType Executing platform type.\r
129 @param TurnOn If TRUE turn on else turn off.\r
130\r
131 @retval EFI_SUCCESS Operation success.\r
132\r
133**/\r
134EFI_STATUS\r
135EFIAPI\r
136PlatformFlashUpdateLed (\r
137 IN CONST EFI_PLATFORM_TYPE Type,\r
138 IN CONST BOOLEAN TurnOn\r
139 )\r
140{\r
141 if (Type == GalileoGen2) {\r
142 PlatformLegacyGpioSetLevel (R_QNC_GPIO_RGLVL_RESUME_WELL, GALILEO_GEN2_FLASH_UPDATE_LED_RESUMEWELL_GPIO, TurnOn);\r
143 } else if (Type == Galileo) {\r
144 PlatformLegacyGpioSetLevel (R_QNC_GPIO_RGLVL_RESUME_WELL, GALILEO_FLASH_UPDATE_LED_RESUMEWELL_GPIO, TurnOn);\r
145 } else {\r
146 //\r
147 // These platforms have no flash update LED.\r
148 //\r
149 }\r
150\r
151 return EFI_SUCCESS;\r
152}\r