f76f2928f1
This allows EC to accept 2 bytes of port 80 data written from the Host. Signed-off-by: Dino Li <Dino.Li@ite.com.tw>
146 lines
3.6 KiB
Plaintext
146 lines
3.6 KiB
Plaintext
# Copyright (c) 2021 ITE Corporation. All Rights Reserved.
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# SPDX-License-Identifier: Apache-2.0
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config ESPI_IT8XXX2
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bool "ITE IT8XXX2 embedded controller ESPI driver"
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default y
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depends on DT_HAS_ITE_IT8XXX2_ESPI_ENABLED
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depends on SOC_IT8XXX2
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help
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Enable ITE IT8XXX2 ESPI driver.
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if ESPI_IT8XXX2
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config ESPI_OOB_CHANNEL
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default y
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config ESPI_PERIPHERAL_8042_KBC
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default y
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config ESPI_PERIPHERAL_HOST_IO
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default y
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config ESPI_PERIPHERAL_DEBUG_PORT_80
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default y
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config ESPI_PERIPHERAL_EC_HOST_CMD
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default y
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choice IT8XXX2_H2RAM_HC_SIZE_CHOICE
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prompt "H2RAM space for ec host command"
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default IT8XXX2_H2RAM_HC_SIZE_256
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depends on ESPI_PERIPHERAL_EC_HOST_CMD
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config IT8XXX2_H2RAM_HC_SIZE_16
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bool "16"
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config IT8XXX2_H2RAM_HC_SIZE_32
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bool "32"
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config IT8XXX2_H2RAM_HC_SIZE_64
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bool "64"
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config IT8XXX2_H2RAM_HC_SIZE_128
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bool "128"
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config IT8XXX2_H2RAM_HC_SIZE_256
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bool "256"
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config IT8XXX2_H2RAM_HC_SIZE_512
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bool "512"
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config IT8XXX2_H2RAM_HC_SIZE_1024
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bool "1024"
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config IT8XXX2_H2RAM_HC_SIZE_2048
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bool "2048"
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endchoice
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config ESPI_IT8XXX2_HC_H2RAM_SIZE
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int
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depends on ESPI_PERIPHERAL_EC_HOST_CMD
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default 16 if IT8XXX2_H2RAM_HC_SIZE_16
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default 32 if IT8XXX2_H2RAM_HC_SIZE_32
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default 64 if IT8XXX2_H2RAM_HC_SIZE_64
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default 128 if IT8XXX2_H2RAM_HC_SIZE_128
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default 256 if IT8XXX2_H2RAM_HC_SIZE_256
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default 512 if IT8XXX2_H2RAM_HC_SIZE_512
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default 1024 if IT8XXX2_H2RAM_HC_SIZE_1024
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default 2048 if IT8XXX2_H2RAM_HC_SIZE_2048
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config ESPI_PERIPHERAL_ACPI_SHM_REGION
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default y
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choice IT8XXX2_H2RAM_ACPI_SHM_SIZE_CHOICE
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prompt "H2RAM space for ACPI shared memory region"
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default IT8XXX2_H2RAM_ACPI_SHM_SIZE_256
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depends on ESPI_PERIPHERAL_ACPI_SHM_REGION
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config IT8XXX2_H2RAM_ACPI_SHM_SIZE_16
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bool "16"
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config IT8XXX2_H2RAM_ACPI_SHM_SIZE_32
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bool "32"
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config IT8XXX2_H2RAM_ACPI_SHM_SIZE_64
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bool "64"
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config IT8XXX2_H2RAM_ACPI_SHM_SIZE_128
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bool "128"
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config IT8XXX2_H2RAM_ACPI_SHM_SIZE_256
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bool "256"
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config IT8XXX2_H2RAM_ACPI_SHM_SIZE_512
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bool "512"
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config IT8XXX2_H2RAM_ACPI_SHM_SIZE_1024
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bool "1024"
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config IT8XXX2_H2RAM_ACPI_SHM_SIZE_2048
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bool "2048"
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endchoice
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config ESPI_IT8XXX2_ACPI_SHM_H2RAM_SIZE
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int
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depends on ESPI_PERIPHERAL_ACPI_SHM_REGION
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default 16 if IT8XXX2_H2RAM_ACPI_SHM_SIZE_16
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default 32 if IT8XXX2_H2RAM_ACPI_SHM_SIZE_32
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default 64 if IT8XXX2_H2RAM_ACPI_SHM_SIZE_64
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default 128 if IT8XXX2_H2RAM_ACPI_SHM_SIZE_128
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default 256 if IT8XXX2_H2RAM_ACPI_SHM_SIZE_256
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default 512 if IT8XXX2_H2RAM_ACPI_SHM_SIZE_512
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default 1024 if IT8XXX2_H2RAM_ACPI_SHM_SIZE_1024
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default 2048 if IT8XXX2_H2RAM_ACPI_SHM_SIZE_2048
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config ESPI_PERIPHERAL_CUSTOM_OPCODE
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default y
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config ESPI_FLASH_CHANNEL
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default y
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config ESPI_IT8XXX2_PNPCFG_DEVICE_KBC_MOUSE
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bool "ITE IT8XXX2 KBC mouse device"
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help
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With this option enabled, EC will send IRQ12 signal to host when the
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KBC mouse output buffer is full.
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# On IT8xxx2 series, this configuration option has limitation:
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# Port 80 and 81 I/O cycles share the same interrupt source and there is no
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# status bit to indicate which cycle triggered the interrupt and data registers
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# of these two ports are read only. Hence EC have to read these two data
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# registers at the same time in the ISR.
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# It means that the Host must alwasy write 2 bytes of data to port 80 otherwise
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# port 81 data will not be updated.
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config ESPI_IT8XXX2_PORT_81_CYCLE
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bool "EC accepts 0x81 I/O cycle from eSPI transaction"
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depends on ESPI_PERIPHERAL_DEBUG_PORT_80
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help
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With this option enabled, EC will accept 0x81 I/O cycle from the Host.
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This allows EC to accept 2 bytes of port 80 data written from the Host.
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(e.g. using iotools: iotools io_write16 0x80 0x1234)
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endif #ESPI_IT8XXX2
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