mirror of https://github.com/acidanthera/audk.git
153 lines
3.7 KiB
C
153 lines
3.7 KiB
C
/** @file
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Platform helper LED routines.
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Copyright (c) 2013-2015 Intel Corporation.
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <PiDxe.h>
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#include "CommonHeader.h"
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//
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// Routines defined in other source modules of this component.
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//
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//
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// Routines local to this source module.
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//
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VOID
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GalileoGen2RouteOutFlashUpdateLed (
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VOID
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)
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{
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//
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// For GpioNums below values 0 to 7 are for Port0 ie P0-0 - P0-7 and
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// values 8 to 15 are for Port1 ie P1-0 - P1-7.
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//
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//
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// Disable Pull-ups / pull downs on EXP0 pin for LVL_B_PU7 signal.
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//
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PlatformPcal9555GpioDisablePull (
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GALILEO_GEN2_IOEXP0_7BIT_SLAVE_ADDR, // IO Expander 0.
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15 // P1-7.
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);
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//
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// Make LVL_B_OE7_N an output pin.
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//
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PlatformPcal9555GpioSetDir (
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GALILEO_GEN2_IOEXP0_7BIT_SLAVE_ADDR, // IO Expander 0.
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14, // P1-6.
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FALSE
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);
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//
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// Set level of LVL_B_OE7_N to low.
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//
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PlatformPcal9555GpioSetLevel (
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GALILEO_GEN2_IOEXP0_7BIT_SLAVE_ADDR,
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14,
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FALSE
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);
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//
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// Make MUX8_SEL an output pin.
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//
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PlatformPcal9555GpioSetDir (
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GALILEO_GEN2_IOEXP1_7BIT_SLAVE_ADDR, // IO Expander 1.
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14, // P1-6.
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FALSE
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);
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//
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// Set level of MUX8_SEL to low to route GPIO_SUS<5> to LED.
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//
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PlatformPcal9555GpioSetLevel (
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GALILEO_GEN2_IOEXP1_7BIT_SLAVE_ADDR, // IO Expander 1.
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14, // P1-6.
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FALSE
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);
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}
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//
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// Routines exported by this source module.
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//
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/**
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Init platform LEDs into known state.
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@param PlatformType Executing platform type.
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@param I2cBus Pointer to I2c Host controller protocol.
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@retval EFI_SUCCESS Operation success.
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**/
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EFI_STATUS
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EFIAPI
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PlatformLedInit (
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IN CONST EFI_PLATFORM_TYPE Type
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)
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{
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EFI_BOOT_MODE BootMode;
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BootMode = GetBootModeHob ();
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//
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// Init Flash update / recovery LED in OFF state.
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//
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if (BootMode == BOOT_ON_FLASH_UPDATE || BootMode == BOOT_IN_RECOVERY_MODE) {
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if (Type == GalileoGen2) {
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PlatformLegacyGpioSetLevel (R_QNC_GPIO_RGLVL_RESUME_WELL, GALILEO_GEN2_FLASH_UPDATE_LED_RESUMEWELL_GPIO, FALSE);
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GalileoGen2RouteOutFlashUpdateLed ();
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} else if (Type == Galileo) {
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PlatformLegacyGpioSetLevel (R_QNC_GPIO_RGLVL_RESUME_WELL, GALILEO_FLASH_UPDATE_LED_RESUMEWELL_GPIO, FALSE);
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} else {
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//
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// These platforms have no flash update LED.
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//
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}
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}
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return EFI_SUCCESS;
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}
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/**
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Turn on or off platform flash update LED.
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@param PlatformType Executing platform type.
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@param TurnOn If TRUE turn on else turn off.
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@retval EFI_SUCCESS Operation success.
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**/
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EFI_STATUS
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EFIAPI
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PlatformFlashUpdateLed (
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IN CONST EFI_PLATFORM_TYPE Type,
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IN CONST BOOLEAN TurnOn
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)
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{
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if (Type == GalileoGen2) {
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PlatformLegacyGpioSetLevel (R_QNC_GPIO_RGLVL_RESUME_WELL, GALILEO_GEN2_FLASH_UPDATE_LED_RESUMEWELL_GPIO, TurnOn);
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} else if (Type == Galileo) {
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PlatformLegacyGpioSetLevel (R_QNC_GPIO_RGLVL_RESUME_WELL, GALILEO_FLASH_UPDATE_LED_RESUMEWELL_GPIO, TurnOn);
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} else {
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//
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// These platforms have no flash update LED.
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//
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}
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return EFI_SUCCESS;
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}
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