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-rw-r--r--src/acpi/acpi.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/acpi/acpi.c b/src/acpi/acpi.c
index 942d464ad6..e40d4ac9aa 100644
--- a/src/acpi/acpi.c
+++ b/src/acpi/acpi.c
@@ -1204,6 +1204,18 @@ unsigned long acpi_create_lpi_desc_ncst(acpi_lpi_desc_ncst_t *lpi_desc, uint16_t
return lpi_desc->header.length;
}
+static void acpi_create_pptt(acpi_header_t *header, void *unused)
+{
+ if (!CONFIG(ACPI_PPTT))
+ return;
+
+ if (acpi_fill_header(header, "PPTT", PPTT, sizeof(acpi_pptt_t)) != CB_SUCCESS)
+ return;
+
+ acpi_pptt_t *pptt = (acpi_pptt_t *)header;
+ acpi_create_pptt_body(pptt);
+}
+
static uint8_t acpi_spcr_type(void)
{
/* 16550-compatible with parameters defined in Generic Address Structure */
@@ -1394,6 +1406,7 @@ unsigned long write_acpi_tables(const unsigned long start)
{ acpi_create_bert, NULL, sizeof(acpi_bert_t) },
{ acpi_create_spcr, NULL, sizeof(acpi_spcr_t) },
{ acpi_create_gtdt, NULL, sizeof(acpi_gtdt_t) },
+ { acpi_create_pptt, NULL, sizeof(acpi_pptt_t) },
};
current = start;
@@ -1743,6 +1756,8 @@ int get_acpi_table_revision(enum acpi_tables table)
return 4;
case GTDT:
return 3;
+ case PPTT: /* ACPI 6.4 */
+ return 3;
default:
return -1;
}