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lib/nhlt: add support for setting the oem_revision

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In the ACPI header there's an OEM revision field that was previously
just being implicitly set to 0. Allow for a board to provide a
non-zero value for this field.

Change-Id: Icd40c1c162c2645b3990a6f3361c592706251f82
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/17650
Tested-by: build bot (Jenkins)
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
Aaron Durbin
2016-11-29 23:14:25 -06:00
parent d008413a3c
commit b4afe3c197
5 changed files with 15 additions and 9 deletions
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6
src/lib/nhlt.c
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@@ -390,11 +390,12 @@ static void nhlt_serialize_endpoints(struct nhlt *nhlt, struct cursor *cur)
uintptr_t nhlt_serialize(struct nhlt *nhlt, uintptr_t acpi_addr)
{
return nhlt_serialize_oem_overrides(nhlt, acpi_addr, NULL, NULL);
return nhlt_serialize_oem_overrides(nhlt, acpi_addr, NULL, NULL, 0);
}
uintptr_t nhlt_serialize_oem_overrides(struct nhlt *nhlt,
uintptr_t acpi_addr, const char *oem_id, const char *oem_table_id)
uintptr_t acpi_addr, const char *oem_id, const char *oem_table_id,
uint32_t oem_revision)
{
struct cursor cur;
acpi_header_t *header;
@@ -424,6 +425,7 @@ uintptr_t nhlt_serialize_oem_overrides(struct nhlt *nhlt,
memcpy(header->oem_id, oem_id, oem_id_len);
memcpy(header->oem_table_id, oem_table_id, oem_table_id_len);
write_le32(&header->oem_revision, oem_revision);
memcpy(header->asl_compiler_id, ASLC, 4);
cur.buf = (void *)(acpi_addr + sizeof(acpi_header_t));