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/** @file
Implement Platform ID code.
Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include <Uefi.h>
#include <Library/BaseMemoryLib.h>
#include <Library/I2CLib.h>
#include <Library/GpioLib.h>
#include <Guid/PlatformInfo.h>
#include "PlatformId.h"
//
// Board ID pin definiton
//
// Bit SoC Pin Value (Leaf Hill) Value (Minnow Board 3) Value (Benson Glacier) Value (Aurora Glacier)
// 0 GPIO_224 (J45) PU (1) PU (1) PD (0) PD (0)
// 1 GPIO_213 (M47) PU (1) PU (1) PD (0) PU (1)
// 2 GPIO_223 (H48) PU (1) PU (1) PU (1) PU (1)
// 3 GP_CAMERASB10 (R34) PD (0) PU (1) PU (1) PU (1)
//
EFI_STATUS
EFIAPI
AuroraGetBoardId(
IN CONST EFI_PEI_SERVICES **PeiServices,
OUT UINT8 *BoardId
)
{
BXT_CONF_PAD0 padConfg0;
BXT_CONF_PAD1 padConfg1;
UINT32 CommAndOffset;
DEBUG ((DEBUG_INFO, "GetBoardId.\n"));
//
// Board_ID0: PMIC_STDBY
//
CommAndOffset = GetCommOffset (NORTHWEST, 0x00F0);
padConfg0.padCnf0 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
padConfg0.r.PMode = 0; // Set to GPIO mode
padConfg0.r.GPIORxTxDis = 0x1; // Set to GPI
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET, padConfg0.padCnf0);
padConfg1.padCnf1 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF1_OFFSET);
//
// Set to Pull Up 20K
//
padConfg1.r.Term = 0xC;
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF1_OFFSET, padConfg1.padCnf1);
//
// Board_ID1: PMIC_SDWN_B
//
CommAndOffset = GetCommOffset (NORTHWEST, 0x00D0);
padConfg0.padCnf0 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
padConfg0.r.PMode = 0;
padConfg0.r.GPIORxTxDis = 0x1;
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET, padConfg0.padCnf0);
//
// Board_ID2: PMIC_RESET_B
//
CommAndOffset = GetCommOffset (NORTHWEST, 0x00C8);
padConfg0.padCnf0 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
padConfg0.r.PMode = 0;
padConfg0.r.GPIORxTxDis = 0x1;
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET, padConfg0.padCnf0);
//
// Board_ID3: GP_CAMERASB10
//
CommAndOffset = GetCommOffset (NORTH, 0x01E0);
padConfg0.padCnf0 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
padConfg1.padCnf1 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF1_OFFSET);
padConfg0.r.PMode = M0; // Set to GPIO mode
padConfg0.r.GPIORxTxDis = GPI; // Set to GPI
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET, padConfg0.padCnf0);
padConfg1.r.IOSTerm = EnPu; // Enable pull-up
padConfg1.r.Term = P_20K_H; // Set to 20K pull-up
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF1_OFFSET, padConfg1.padCnf1);
//
// Read out Board_ID
//
*BoardId = (UINT8) (((GpioPadRead (GetCommOffset (NORTHWEST, 0x00F0) + BXT_GPIO_PAD_CONF0_OFFSET) & BIT1) >> 1) | \
(((GpioPadRead (GetCommOffset (NORTHWEST, 0x00D0) + BXT_GPIO_PAD_CONF0_OFFSET) & BIT1) >> 1) << 1) | \
(((GpioPadRead (GetCommOffset (NORTHWEST, 0x00C8) + BXT_GPIO_PAD_CONF0_OFFSET) & BIT1) >> 1) << 2) | \
(((GpioPadRead (GetCommOffset (NORTH, 0x01E0) + BXT_GPIO_PAD_CONF0_OFFSET) & BIT1) >> 1) << 3));
DEBUG ((DEBUG_INFO, "BoardId: %02X\n", *BoardId));
return EFI_SUCCESS;
}
EFI_STATUS
EFIAPI
AuroraGetFabId(
IN CONST EFI_PEI_SERVICES **PeiServices,
OUT UINT8 *FabId
)
{
BXT_CONF_PAD0 padConfg0;
BXT_CONF_PAD1 padConfg1;
UINT32 CommAndOffset;
DEBUG ((DEBUG_INFO, "Aurora GetFabId++\n"));
//
// FAB_ID: GPIO_30
//
CommAndOffset = GetCommOffset (NORTH, 0x0F0);
padConfg0.padCnf0 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET);
padConfg1.padCnf1 = GpioPadRead (CommAndOffset + BXT_GPIO_PAD_CONF1_OFFSET);
padConfg0.r.PMode = M0; // Set to GPIO mode
padConfg0.r.GPIORxTxDis = GPI; // Set to GPI
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF0_OFFSET, padConfg0.padCnf0);
padConfg1.r.IOSTerm = EnPd; // Enable pull-down
padConfg1.r.Term = P_20K_L; // Set to 20K pull-down
GpioPadWrite (CommAndOffset + BXT_GPIO_PAD_CONF1_OFFSET, padConfg1.padCnf1);
*FabId = (UINT8) (((GpioPadRead (GetCommOffset (NORTH, 0x0F0) + BXT_GPIO_PAD_CONF0_OFFSET) & BIT1) >> 1));
DEBUG ((EFI_D_INFO, "FabId: %02X\n", *FabId));
return EFI_SUCCESS;
}
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