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| author | Jason Glenesk <jason.glenesk@amd.corp-partner.google.com> | 2020-11-02 20:06:23 -0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2021-01-02 22:50:56 +0000 |
| commit | 61624b2d2de9e57d8fef1e1a1a923c8b00c21247 (patch) | |
| tree | 88bc1c563074e5c7b75bf94632abd9c5fe5711eb /src/acpi | |
| parent | 9d233ba9a99b943878904d885770b9133827e9f3 (diff) | |
| download | coreboot-61624b2d2de9e57d8fef1e1a1a923c8b00c21247.tar.xz | |
acpi: Add cb support to publish CRAT ACPI object
Add cb support to publish CRAT ACPI object in native coreboot.
BUG=b:155307433
BRANCH=Zork
Change-Id: I5fb7c15b11414f6d807645921c0ff1ab927e6e0f
Signed-off-by: Jason Glenesk <jason.glenesk@amd.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48532
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
Diffstat (limited to 'src/acpi')
| -rw-r--r-- | src/acpi/acpi.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/acpi/acpi.c b/src/acpi/acpi.c index c319a73aa7..a16800b025 100644 --- a/src/acpi/acpi.c +++ b/src/acpi/acpi.c @@ -878,6 +878,35 @@ void acpi_create_ivrs(acpi_ivrs_t *ivrs, header->checksum = acpi_checksum((void *)ivrs, header->length); } +void acpi_create_crat(struct acpi_crat_header *crat, + unsigned long (*acpi_fill_crat)(struct acpi_crat_header *crat_struct, + unsigned long current)) +{ + acpi_header_t *header = &(crat->header); + unsigned long current = (unsigned long)crat + sizeof(struct acpi_crat_header); + + memset((void *)crat, 0, sizeof(struct acpi_crat_header)); + + if (!header) + return; + + /* Fill out header fields. */ + memcpy(header->signature, "CRAT", 4); + memcpy(header->oem_id, OEM_ID, 6); + memcpy(header->oem_table_id, ACPI_TABLE_CREATOR, 8); + memcpy(header->asl_compiler_id, ASLC, 4); + + header->asl_compiler_revision = asl_revision; + header->length = sizeof(struct acpi_crat_header); + header->revision = get_acpi_table_revision(CRAT); + + current = acpi_fill_crat(crat, current); + + /* (Re)calculate length and checksum. */ + header->length = current - (unsigned long)crat; + header->checksum = acpi_checksum((void *)crat, header->length); +} + unsigned long acpi_write_hpet(const struct device *device, unsigned long current, acpi_rsdp_t *rsdp) { @@ -1634,6 +1663,8 @@ int get_acpi_table_revision(enum acpi_tables table) return 5; case BERT: return 1; + case CRAT: + return 1; default: return -1; } |