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| author | Simon Glass <sjg@chromium.org> | 2023-01-07 14:57:20 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2023-01-18 11:49:13 -0700 |
| commit | 0c16fca927751fbb9be6f026ec8534d289156d3c (patch) | |
| tree | 555502c11f55ed85c2694860eb474d0bad55bfc8 /lib | |
| parent | d81d17637a04746341fb6ae2e55597cd61a92c07 (diff) | |
| download | u-boot-0c16fca927751fbb9be6f026ec8534d289156d3c.zip u-boot-0c16fca927751fbb9be6f026ec8534d289156d3c.tar.gz u-boot-0c16fca927751fbb9be6f026ec8534d289156d3c.tar.bz2 | |
tpm: Add a proper Kconfig option for crc8 in SPL
The current approach is a bit of a hack and only works for the tpm
subsystem. Add a Kconfig so that crc8 can be enabled in SPL for other
purposes.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig | 18 | ||||
| -rw-r--r-- | lib/Makefile | 3 |
2 files changed, 20 insertions, 1 deletions
diff --git a/lib/Kconfig b/lib/Kconfig index def36f2..36d3cf9 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -422,6 +422,7 @@ config TPM config SPL_TPM bool "Trusted Platform Module (TPM) Support in SPL" depends on SPL_DM + imply SPL_CRC8 help This enables support for TPMs which can be used to provide security features for your board. The TPM can be connected via LPC or I2C @@ -617,6 +618,23 @@ config SPL_MD5 security applications, but it can be useful for providing a quick checksum of a block of data. +config CRC8 + def_bool y + help + Enables CRC8 support in U-Boot. This is normally required. CRC8 is + a simple and fast checksumming algorithm which does a bytewise + checksum with feedback to produce an 8-bit result. The code is small + and it does not require a lookup table (unlike CRC32). + +config SPL_CRC8 + bool "Support CRC8 in SPL" + depends on SPL + help + Enables CRC8 support in SPL. This is not normally required. CRC8 is + a simple and fast checksumming algorithm which does a bytewise + checksum with feedback to produce an 8-bit result. The code is small + and it does not require a lookup table (unlike CRC32). + config CRC32 def_bool y help diff --git a/lib/Makefile b/lib/Makefile index d77b33e..a282e40 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -57,12 +57,13 @@ endif obj-$(CONFIG_$(SPL_TPL_)TPM) += tpm-common.o ifeq ($(CONFIG_$(SPL_TPL_)TPM),y) -obj-y += crc8.o obj-$(CONFIG_TPM) += tpm_api.o obj-$(CONFIG_TPM_V1) += tpm-v1.o obj-$(CONFIG_TPM_V2) += tpm-v2.o endif +obj-$(CONFIG_$(SPL_TPL_)CRC8) += crc8.o + obj-y += crypto/ obj-$(CONFIG_$(SPL_TPL_)GENERATE_ACPI_TABLE) += acpi/ |