QuarkPlatformPkg/Library/PlatformHelperLib/PlatformLeds.c

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