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acpi: Add cb support to publish CRAT ACPI object

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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>
This commit is contained in:
Jason Glenesk
2020-11-02 20:06:23 -08:00
committed by Felix Held
parent 9d233ba9a9
commit 61624b2d2d
3 changed files with 249 additions and 1 deletions
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31
src/acpi/acpi.c
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@@ -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;
}