southbridge/amd/pi: Rename Avalon to Hudson

To maintain consistancy with southbridge/amd/agesa/hudson rename
pi/avalon to pi/hudson in advance of adding support for the
base hudson southbridge.

Change-Id: Icff8c4c06aae2d40cbd9e90903754735ac3510c3
Signed-off-by: Dave Frodin <dave.frodin@se-eng.com>
Reviewed-on: http://review.coreboot.org/8251
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marc.jones@se-eng.com>

1 files changed, 25 insertions, 0 deletions

diff --git a/src/southbridge/amd/pi/hudson/smi.c b/src/southbridge/amd/pi/hudson/smi.c
new file mode 100644
index 000000000000..1d58afe3f8d4
--- /dev/null
+++ b/src/southbridge/amd/pi/hudson/smi.c
@@ -0,0 +1,25 @@
+/*
+ * 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 "smi.h"
+
+#include <console/console.h>
+#include <cpu/cpu.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);
+}