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Diffstat (limited to 'src/southbridge/amd/sb700/sb700_enable_usbdebug_direct.c')
-rw-r--r--src/southbridge/amd/sb700/sb700_enable_usbdebug_direct.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/src/southbridge/amd/sb700/sb700_enable_usbdebug_direct.c b/src/southbridge/amd/sb700/sb700_enable_usbdebug_direct.c
new file mode 100644
index 0000000000..b739fe2b5a
--- /dev/null
+++ b/src/southbridge/amd/sb700/sb700_enable_usbdebug_direct.c
@@ -0,0 +1,36 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2010 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
+ */
+
+#ifndef SB700_DEVN_BASE
+
+#define SB700_DEVN_BASE 0
+
+#endif
+
+#define EHCI_BAR_INDEX 0x10
+#define EHCI_BAR 0xFEF00000
+#define EHCI_DEBUG_OFFSET 0xE0
+
+static void sb700_enable_usbdebug_direct(u32 port)
+{
+ set_debug_port(port);
+ pci_write_config32(PCI_DEV(0, SB700_DEVN_BASE + 0x13, 5),
+ EHCI_BAR_INDEX, EHCI_BAR);
+ pci_write_config8(PCI_DEV(0, SB700_DEVN_BASE + 0x13, 5), 0x04, 0x2); /* mem space enabe */
+}