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-rw-r--r--src/superio/aspeed/ast2400/Makefile.inc2
-rw-r--r--src/superio/aspeed/ast2400/superio.c33
2 files changed, 35 insertions, 0 deletions
diff --git a/src/superio/aspeed/ast2400/Makefile.inc b/src/superio/aspeed/ast2400/Makefile.inc
index a6f8b2003a..625390fdf8 100644
--- a/src/superio/aspeed/ast2400/Makefile.inc
+++ b/src/superio/aspeed/ast2400/Makefile.inc
@@ -16,3 +16,5 @@
##
ramstage-$(CONFIG_SUPERIO_ASPEED_AST2400) += superio.c
+ramstage-$(CONFIG_SUPERIO_ASPEED_AST2400) += ../../common/ssdt.c
+ramstage-$(CONFIG_SUPERIO_ASPEED_AST2400) += ../../common/generic.c
diff --git a/src/superio/aspeed/ast2400/superio.c b/src/superio/aspeed/ast2400/superio.c
index dcb14fa668..54f3f3430d 100644
--- a/src/superio/aspeed/ast2400/superio.c
+++ b/src/superio/aspeed/ast2400/superio.c
@@ -22,6 +22,8 @@
#include <console/console.h>
#include <string.h>
#include <pc80/keyboard.h>
+#include <superio/common/ssdt.h>
+#include <arch/acpi.h>
#include "ast2400.h"
static void ast2400_init(struct device *dev)
@@ -36,6 +38,32 @@ static void ast2400_init(struct device *dev)
}
}
+#if CONFIG(HAVE_ACPI_TABLES)
+/* Provide ACPI HIDs for generic Super I/O SSDT */
+static const char *ast2400_acpi_hid(const struct device *dev)
+{
+ /* Sanity checks */
+ if (dev->path.type != DEVICE_PATH_PNP)
+ return NULL;
+ if (dev->path.pnp.port == 0)
+ return NULL;
+ if ((dev->path.pnp.device & 0xff) > AST2400_MAILBOX)
+ return NULL;
+
+ switch (dev->path.pnp.device & 0xff) {
+ case AST2400_SUART1: /* falltrough */
+ case AST2400_SUART2: /* falltrough */
+ case AST2400_SUART3: /* falltrough */
+ case AST2400_SUART4:
+ return ACPI_HID_COM;
+ case AST2400_KBC:
+ return ACPI_HID_KEYBOARD;
+ default:
+ return ACPI_HID_PNP;
+ }
+}
+#endif
+
static struct device_operations ops = {
.read_resources = pnp_read_resources,
.set_resources = pnp_set_resources,
@@ -43,6 +71,11 @@ static struct device_operations ops = {
.enable = pnp_enable,
.init = ast2400_init,
.ops_pnp_mode = &pnp_conf_mode_a5a5_aa,
+#if CONFIG(HAVE_ACPI_TABLES)
+ .acpi_fill_ssdt_generator = superio_common_fill_ssdt_generator,
+ .acpi_name = superio_common_ldn_acpi_name,
+ .acpi_hid = ast2400_acpi_hid,
+#endif
};
static struct pnp_info pnp_dev_info[] = {