summaryrefslogtreecommitdiff
path: root/src/soc/amd/stoneyridge/smi.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/soc/amd/stoneyridge/smi.c')
-rw-r--r--src/soc/amd/stoneyridge/smi.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/soc/amd/stoneyridge/smi.c b/src/soc/amd/stoneyridge/smi.c
new file mode 100644
index 0000000000..c92697cf6d
--- /dev/null
+++ b/src/soc/amd/stoneyridge/smi.c
@@ -0,0 +1,26 @@
+/*
+ * Utilities for SMM setup
+ *
+ * Copyright (C) 2014 Alexandru Gagniuc <mr.nuke.me@gmail.com>
+ * Subject to the GNU GPL v2, or (at your option) any later version.
+ */
+
+
+
+#include <console/console.h>
+#include <cpu/cpu.h>
+#include <soc/smi.h>
+
+void smm_setup_structures(void *gnvs, void *tcg, void *smi1)
+{
+ printk(BIOS_DEBUG, "smm_setup_structures STUB!!!\n");
+}
+
+/** Set the EOS bit and enable SMI generation from southbridge */
+void hudson_enable_smi_generation(void)
+{
+ uint32_t reg = smi_read32(SMI_REG_SMITRIG0);
+ reg &= ~SMITRG0_SMIENB; /* Enable SMI generation */
+ reg |= SMITRG0_EOS; /* Set EOS bit */
+ smi_write32(SMI_REG_SMITRIG0, reg);
+}