74d55c6b5e
Update eSPI buffer to values required per eSPI specification. Allow applications to override as needed. Guarantee buffers are not allocated at all if channels are disabled. Signed-off-by: Jose Alberto Meza <jose.a.meza.arellano@intel.com>
73 lines
1.6 KiB
Plaintext
73 lines
1.6 KiB
Plaintext
# Microchip XEC ESPI configuration options
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# Copyright (c) 2019 Intel Corporation
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# SPDX-License-Identifier: Apache-2.0
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config ESPI_XEC
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bool "XEC Microchip ESPI driver"
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depends on SOC_FAMILY_MEC
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help
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Enable the Microchip XEC ESPI driver.
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if ESPI_XEC
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config ESPI_OOB_CHANNEL
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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_PERIPHERAL_HOST_IO
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default y
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config ESPI_PERIPHERAL_HOST_IO_PVT
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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_UART
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default y
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config ESPI_PERIPHERAL_UART_SOC_MAPPING
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int "SoC port exposed as logical eSPI UART"
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default 2
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depends on ESPI_PERIPHERAL_UART
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help
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This tells the driver to which SoC UART to direct the UART traffic
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send over eSPI from host.
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config ESPI_OOB_BUFFER_SIZE
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int "eSPI OOB channel buffer size in bytes"
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default 128
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depends on ESPI_OOB_CHANNEL
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help
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Use minimum RAM buffer size by default but allow applications to
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override the value.
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Maximum OOB payload is 73 bytes.
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config ESPI_FLASH_BUFFER_SIZE
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int "eSPI Flash channel buffer size in bytes"
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default 256
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depends on ESPI_FLASH_CHANNEL
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help
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Use maximum RAM buffer size defined by spec but allow applications
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to override if eSPI host doesn't support it.
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config ESPI_SAF
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bool "XEC Microchip ESPI SAF driver"
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depends on ESPI_FLASH_CHANNEL
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default n
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help
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Enable Slave Attached Flash eSPI driver. SAF depends upon ESPI XEC driver
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and flash channel.
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config ESPI_SAF_INIT_PRIORITY
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int "ESPI SAF driver initialization priority"
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depends on ESPI_SAF
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default 4
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help
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Driver initialization priority for eSPI SAF driver.
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endif #ESPI_XEC
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