summaryrefslogtreecommitdiff
path: root/src/include/cbmem.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/include/cbmem.h')
-rw-r--r--src/include/cbmem.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/src/include/cbmem.h b/src/include/cbmem.h
new file mode 100644
index 0000000000..5048a5d1ff
--- /dev/null
+++ b/src/include/cbmem.h
@@ -0,0 +1,49 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 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
+ */
+
+#ifndef _CBMEM_H_
+#define _CBMEM_H_
+
+/* Reserve 64k for ACPI and other tables */
+#define HIGH_MEMORY_TABLES ( 64 * 1024 )
+
+#if CONFIG_HAVE_ACPI_RESUME
+#define HIGH_MEMORY_SIZE ( 1024 * 1024 )
+#define HIGH_MEMORY_SAVE ( HIGH_MEMORY_SIZE - HIGH_MEMORY_TABLES )
+#else
+#define HIGH_MEMORY_SIZE HIGH_MEMORY_TABLES
+#endif
+
+#define CBMEM_ID_FREESPACE 0x46524545
+#define CBMEM_ID_GDT 0x4c474454
+#define CBMEM_ID_ACPI 0x41435049
+#define CBMEM_ID_CBTABLE 0x43425442
+#define CBMEM_ID_PIRQ 0x49525154
+#define CBMEM_ID_MPTABLE 0x534d5054
+#define CBMEM_ID_RESUME 0x5245534d
+#define CBMEM_ID_NONE 0x00000000
+
+void cbmem_initialize(void);
+
+void cbmem_init(u64 baseaddr, u64 size);
+int cbmem_reinit(u64 baseaddr);
+void *cbmem_add(u32 id, u64 size);
+void *cbmem_find(u32 id);
+
+#endif