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https://github.com/brain-hackers/u-boot-brain
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0c6b5588ef
This introduces support for EEPROM as a storage for the main Toradex config block and additional config blocks on extra EEPROM chips (on carrier board or video adapters). To enable EEPROM as a storage for the main config block: TDX_HAVE_EEPROM=y. For additional EEPROMs please enable this Kconfig symbol: TDX_CFG_BLOCK_EXTRA=y. Information about existing EEPROM chips is provided via Device Tree using aliases. You can also write configuration for the carrier board using create_carrier subcommand for cfgblock. Example: Verdin iMX8MM # cfgblock create_carrier Supported carrier boards: UNKNOWN CARRIER = [0] Verdin Carrier Board = [1] Choose your carrier board (provide ID): 1 Enter carrier board version (e.g. V1.1B): V1.0A Enter carrier board serial number: 10622780 Also with barcode: Verdin iMX8MM # cfgblock create carrier -y 0156100010622780 Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
88 lines
2.1 KiB
Plaintext
88 lines
2.1 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0+
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# Copyright (c) 2016 Toradex, Inc.
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menuconfig TDX_CFG_BLOCK
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bool "Enable Toradex config block support"
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select OF_BOARD_SETUP
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help
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The Toradex config block stored production data on the on-module
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flash device (NAND, NOR or eMMC). The area is normally preserved by
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software and contains the serial number (out of which the MAC
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address is generated) and the exact module type.
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# Helper config to determine the correct default location of the cfg block
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config TDX_HAVE_MMC
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bool
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config TDX_HAVE_NAND
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bool
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config TDX_HAVE_NOR
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bool
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config TDX_HAVE_EEPROM
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bool
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config TDX_HAVE_EEPROM_EXTRA
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bool
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if TDX_CFG_BLOCK
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config TDX_CFG_BLOCK_IS_IN_MMC
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bool
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depends on TDX_HAVE_MMC
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default y
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config TDX_CFG_BLOCK_IS_IN_NAND
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bool
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depends on TDX_HAVE_NAND
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default y
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config TDX_CFG_BLOCK_IS_IN_NOR
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bool
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depends on TDX_HAVE_NOR
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default y
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config TDX_CFG_BLOCK_IS_IN_EEPROM
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bool
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depends on TDX_HAVE_EEPROM
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default y
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config TDX_CFG_BLOCK_DEV
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int "Toradex config block eMMC device ID"
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depends on TDX_CFG_BLOCK_IS_IN_MMC
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config TDX_CFG_BLOCK_PART
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int "Toradex config block eMMC partition ID"
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depends on TDX_CFG_BLOCK_IS_IN_MMC
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config TDX_CFG_BLOCK_OFFSET
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int "Toradex config block offset"
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help
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Specify the byte offset of the Toradex config block within the flash
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device the config block is stored on.
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config TDX_CFG_BLOCK_OFFSET2
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int "Toradex config block offset, second instance"
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default 0
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help
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Specify the byte offset of the 2nd instance of the Toradex config block
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within the flash device the config block is stored on.
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Set to 0 on modules which have no 2nd instance.
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config TDX_CFG_BLOCK_2ND_ETHADDR
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bool "Set the second Ethernet address"
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help
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For each serial number two Ethernet addresses are available for dual
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Ethernet carrier boards. This options enables the code to set the
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second Ethernet address as environment variable (eth1addr).
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config TDX_CFG_BLOCK_EXTRA
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bool "Support for additional EEPROMs (carrier board, display adapter)"
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depends on TDX_HAVE_EEPROM_EXTRA
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help
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Enables fetching auxilary config blocks from carrier board/display
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adapter EEPROMs.
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endif
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