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Diffstat (limited to 'src/cpu/amd/pi/amd_late_init.c')
-rw-r--r--src/cpu/amd/pi/amd_late_init.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/src/cpu/amd/pi/amd_late_init.c b/src/cpu/amd/pi/amd_late_init.c
new file mode 100644
index 0000000000..efb1667d8c
--- /dev/null
+++ b/src/cpu/amd/pi/amd_late_init.c
@@ -0,0 +1,60 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2012 Advanced Micro Devices, Inc.
+ *
+ * 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/acpi.h>
+#include <bootstate.h>
+#include <console/console.h>
+#include <device/device.h>
+#include <device/pci_def.h>
+#include <device/pci_ops.h>
+
+#include <agesawrapper.h>
+#include <northbridge/amd/pi/agesawrapper_call.h>
+
+static void agesawrapper_post_device(void *unused)
+{
+ if (acpi_is_wakeup_s3())
+ return;
+
+ AGESAWRAPPER(amdinitlate);
+
+#if (1) /* NORTHBRIDGE_00730F01 */
+ device_t dev;
+ u32 value;
+ dev = dev_find_slot(0, PCI_DEVFN(0, 0)); /* clear IoapicSbFeatureEn */
+ pci_write_config32(dev, 0xF8, 0);
+ pci_write_config32(dev, 0xFC, 5); /* TODO: move it to dsdt.asl */
+
+ /* disable No Snoop */
+ dev = dev_find_slot(0, PCI_DEVFN(1, 1));
+ value = pci_read_config32(dev, 0x60);
+ value &= ~(1 << 11);
+ pci_write_config32(dev, 0x60, value);
+#endif
+
+ if (!acpi_s3_resume_allowed())
+ return;
+
+ AGESAWRAPPER(amdS3Save);
+}
+
+BOOT_STATE_INIT_ENTRIES(agesa_bscb) = {
+ BOOT_STATE_INIT_ENTRY(BS_POST_DEVICE, BS_ON_EXIT,
+ agesawrapper_post_device, NULL),
+};