b134945ec1
Currently supports initialization, read, write, and erase operations. Tested on HiFive Uneashed implementation follows SD association's SPI access protocol, found as doc http://t.cn/AiB8quFZ Change-Id: I464d2334b8227e448c1c7e324c0455023cffb72a Signed-off-by: Xiang Wang <merle@hardenedlinux.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/35118 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
171 lines
4.6 KiB
Text
171 lines
4.6 KiB
Text
##
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## This file is part of the coreboot project.
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##
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## This program is free software; you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation; version 2 of the License.
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##
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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config COMMON_CBFS_SPI_WRAPPER
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bool
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default n
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depends on !ARCH_X86
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depends on BOOT_DEVICE_SPI_FLASH
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select BOOT_DEVICE_SUPPORTS_WRITES
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help
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Use common wrapper to interface CBFS to SPI bootrom.
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config SPI_FLASH
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bool
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default y if BOOT_DEVICE_SPI_FLASH && BOOT_DEVICE_SUPPORTS_WRITES
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default n
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help
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Select this option if your chipset driver needs to store certain
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data in the SPI flash.
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config SPI_SDCARD
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bool
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default n
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help
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Select this option if your chipset driver needs to store certain
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data in the SPI sdcard.
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if SPI_FLASH
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# Keep at 0 because lots of boards assume this default.
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config BOOT_DEVICE_SPI_FLASH_BUS
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int
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default 0
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help
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Which SPI bus the boot device is connected to.
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config BOOT_DEVICE_SPI_FLASH_RW_NOMMAP
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bool
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default y if !COMMON_CBFS_SPI_WRAPPER
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default n
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depends on BOOT_DEVICE_SPI_FLASH
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help
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Provide common implementation of the RW boot device that
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doesn't provide mmap() operations.
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config BOOT_DEVICE_SPI_FLASH_RW_NOMMAP_EARLY
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bool
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default n
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depends on BOOT_DEVICE_SPI_FLASH_RW_NOMMAP
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help
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Include the common implementation in all stages, including the
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early ones.
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config SPI_FLASH_INCLUDE_ALL_DRIVERS
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bool
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default n if COMMON_CBFS_SPI_WRAPPER
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default y
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config SPI_FLASH_SMM
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bool
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depends on HAVE_SMI_HANDLER
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help
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Select this option if you want SPI flash support in SMM.
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config SPI_FLASH_NO_FAST_READ
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bool "Disable Fast Read command"
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default n
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help
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Select this option if your setup requires to avoid "fast read"s
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from the SPI flash parts.
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config SPI_FLASH_ADESTO
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bool
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default y if SPI_FLASH_INCLUDE_ALL_DRIVERS
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help
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Select this option if your chipset driver needs to store certain
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data in the SPI flash and your SPI flash is made by Adesto Technologies.
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config SPI_FLASH_AMIC
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bool
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default y if SPI_FLASH_INCLUDE_ALL_DRIVERS
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help
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Select this option if your chipset driver needs to store certain
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data in the SPI flash and your SPI flash is made by AMIC.
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config SPI_FLASH_ATMEL
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bool
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default y if SPI_FLASH_INCLUDE_ALL_DRIVERS
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help
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Select this option if your chipset driver needs to store certain
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data in the SPI flash and your SPI flash is made by Atmel.
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config SPI_FLASH_EON
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bool
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default y if SPI_FLASH_INCLUDE_ALL_DRIVERS
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help
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Select this option if your chipset driver needs to store certain
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data in the SPI flash and your SPI flash is made by EON.
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config SPI_FLASH_GIGADEVICE
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bool
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default y if SPI_FLASH_INCLUDE_ALL_DRIVERS
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help
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Select this option if your chipset driver needs to store certain
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data in the SPI flash and your SPI flash is made by Gigadevice.
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config SPI_FLASH_MACRONIX
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bool
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default y if SPI_FLASH_INCLUDE_ALL_DRIVERS
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help
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Select this option if your chipset driver needs to store certain
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data in the SPI flash and your SPI flash is made by Macronix.
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config SPI_FLASH_SPANSION
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bool
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default y if SPI_FLASH_INCLUDE_ALL_DRIVERS
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help
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Select this option if your chipset driver needs to store certain
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data in the SPI flash and your SPI flash is made by Spansion.
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config SPI_FLASH_SST
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bool
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default y if SPI_FLASH_INCLUDE_ALL_DRIVERS
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help
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Select this option if your chipset driver needs to store certain
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data in the SPI flash and your SPI flash is made by SST.
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config SPI_FLASH_STMICRO
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bool
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default y if SPI_FLASH_INCLUDE_ALL_DRIVERS
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help
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Select this option if your chipset driver needs to store certain
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data in the SPI flash and your SPI flash is made by ST MICRO.
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config SPI_FLASH_WINBOND
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bool
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default y if SPI_FLASH_INCLUDE_ALL_DRIVERS
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help
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Select this option if your chipset driver needs to store certain
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data in the SPI flash and your SPI flash is made by Winbond.
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config SPI_FLASH_FAST_READ_DUAL_OUTPUT_3B
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bool
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default n
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depends on SPI_FLASH
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help
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Select this option if your SPI flash supports the fast read dual-
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output command (opcode 0x3b) where the opcode and address are sent
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to the chip on MOSI and data is received on both MOSI and MISO.
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config SPI_FLASH_HAS_VOLATILE_GROUP
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bool
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default n
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help
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Allows chipset to group write/erase operations under a single volatile
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group.
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endif # SPI_FLASH
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config HAVE_SPI_CONSOLE_SUPPORT
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def_bool n
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