/** @file
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Copyright (c) 2017 - 2021, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <PiPei.h>
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#include "PeiAspireVn7Dash572GInitLib.h"
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#include <Library/BoardEcLib.h>
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#include <Library/DebugLib.h>
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#define ADC_3V_10BIT_GRANULARITY_MAX (3005/1023)
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#define PCB_VER_AD 1
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#define MODEL_ID_AD 3
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/**
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Get Aspire V Nitro (Skylake) board ID.
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There are 2 different boards having different ID.
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This function will return board ID to caller.
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@param[out] DataBuffer
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@retval EFI_SUCCESS Command success
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@retval EFI_DEVICE_ERROR Command error
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**/
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VOID
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GetAspireVn7Dash572GBoardId (
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OUT UINT8 *BoardId
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)
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{
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UINT16 DataBuffer;
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ReadEcAdcConverter (MODEL_ID_AD, &DataBuffer);
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DEBUG ((DEBUG_INFO, "BoardId (raw) = 0x%X\n", DataBuffer));
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// Board by max millivoltage range (of 10-bit, 3.005 V ADC)
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if (DataBuffer <= (1374/ADC_3V_10BIT_GRANULARITY_MAX)) {
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// Consider returning an error
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DEBUG ((DEBUG_ERROR, "BoardId is reserved?\n"));
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} else if (DataBuffer <= (2017/ADC_3V_10BIT_GRANULARITY_MAX)) {
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*BoardId = BoardIdNewgateSLx_dGPU;
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} else {
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*BoardId = BoardIdRayleighSLx_dGPU;
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}
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DEBUG ((DEBUG_INFO, "BoardId = 0x%X\n", *BoardId));
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ReadEcAdcConverter (PCB_VER_AD, &DataBuffer);
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DEBUG ((DEBUG_INFO, "PCB version (raw) = 0x%X\n", DataBuffer));
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DEBUG ((DEBUG_INFO, "PCB version: "));
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// PCB by max millivoltage range (of 10-bit, 3.005 V ADC)
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if (DataBuffer <= (2017/ADC_3V_10BIT_GRANULARITY_MAX)) {
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// Consider returning an error
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DEBUG ((DEBUG_ERROR, "Reserved?\n"));
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} else if (DataBuffer <= (2259/ADC_3V_10BIT_GRANULARITY_MAX)) {
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DEBUG ((DEBUG_ERROR, "-1\n"));
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} else if (DataBuffer <= (2493/ADC_3V_10BIT_GRANULARITY_MAX)) {
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DEBUG ((DEBUG_ERROR, "SC\n"));
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} else if (DataBuffer <= (2759/ADC_3V_10BIT_GRANULARITY_MAX)) {
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DEBUG ((DEBUG_ERROR, "SB\n"));
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} else {
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DEBUG ((DEBUG_ERROR, "SA\n"));
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}
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}
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EFI_STATUS
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EFIAPI
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AspireVn7Dash572GBoardDetect (
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VOID
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)
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{
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UINT8 BoardId;
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if (LibPcdGetSku () != 0) {
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return EFI_SUCCESS;
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}
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DEBUG ((DEBUG_INFO, "AspireVn7Dash572GDetectionCallback\n"));
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GetAspireVn7Dash572GBoardId (&BoardId);
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if (BoardId == BoardIdNewgateSLx_dGPU || BoardId == BoardIdRayleighSLx_dGPU) {
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LibPcdSetSku (BoardId);
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ASSERT (LibPcdGetSku() == BoardId);
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} else {
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DEBUG ((DEBUG_INFO, "BoardId not returned or valid!\n"));
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return EFI_DEVICE_ERROR;
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}
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DEBUG ((DEBUG_INFO, "SKU_ID: 0x%x\n", LibPcdGetSku()));
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return EFI_SUCCESS;
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}
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