summaryrefslogtreecommitdiff
path: root/src/mainboard/roda/rk9/smihandler.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mainboard/roda/rk9/smihandler.c')
-rw-r--r--src/mainboard/roda/rk9/smihandler.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/src/mainboard/roda/rk9/smihandler.c b/src/mainboard/roda/rk9/smihandler.c
new file mode 100644
index 0000000000..8a87cd993b
--- /dev/null
+++ b/src/mainboard/roda/rk9/smihandler.c
@@ -0,0 +1,76 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008-2009 coresystems GmbH
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <arch/io.h>
+#include <arch/romcc_io.h>
+#include <console/console.h>
+#include <cpu/x86/smm.h>
+#include <southbridge/intel/i82801ix/nvs.h>
+#include <southbridge/intel/i82801ix/i82801ix.h>
+#include <ec/acpi/ec.h>
+
+/* The southbridge SMI handler checks whether gnvs has a
+ * valid pointer before calling the trap handler
+ */
+extern global_nvs_t *gnvs;
+
+int mainboard_io_trap_handler(int smif)
+{
+ switch (smif) {
+ case 0x99:
+ printk(BIOS_DEBUG, "Sample\n");
+ gnvs->smif = 0;
+ break;
+ default:
+ return 0;
+ }
+
+ /* On success, the IO Trap Handler returns 0
+ * On failure, the IO Trap Handler returns a value != 0
+ *
+ * For now, we force the return value to 0 and log all traps to
+ * see what's going on.
+ */
+ //gnvs->smif = 0;
+ return 1;
+}
+
+void mainboard_smi_gpi(u16 gpi_sts)
+{
+ if (gpi_sts & (1 << 1)) {
+ printk(BIOS_DEBUG, "EC/SMI\n");
+ /* TODO */
+ }
+}
+
+int mainboard_smi_apmc(u8 apmc)
+{
+ switch (apmc) {
+ case APM_CNT_ACPI_ENABLE:
+ send_ec_command(0x05); /* Set_SMI_Disable */
+ send_ec_command(0xaa); /* Set_ACPI_Enable */
+ break;
+
+ case APM_CNT_ACPI_DISABLE:
+ send_ec_command(0x04); /* Set_SMI_Enable */
+ send_ec_command(0xab); /* Set_ACPI_Disable */
+ break;
+ }
+ return 0;
+}