aboutsummaryrefslogtreecommitdiff
path: root/include/asm-x86/dmi.h
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2007-10-15 23:28:20 +0200
committerThomas Gleixner <tglx@inhelltoy.tec.linutronix.de>2007-10-17 20:17:18 +0200
commit327c21bc3d347d545d227103d7cc58039ab8a0be (patch)
treea7d66db9e564c4cdaef2c45fc74b6b8884b3beff /include/asm-x86/dmi.h
parentf1ea05466a13c4fbae852f2ce87aada594f3134f (diff)
x86: unify include/asm/dmi_32/64.h
Unification, so we have these things in one file. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/dmi.h')
-rw-r--r--include/asm-x86/dmi.h36
1 files changed, 33 insertions, 3 deletions
diff --git a/include/asm-x86/dmi.h b/include/asm-x86/dmi.h
index c9e4e8ebc27..8e2b0e6aa8e 100644
--- a/include/asm-x86/dmi.h
+++ b/include/asm-x86/dmi.h
@@ -1,5 +1,35 @@
+#ifndef _ASM_X86_DMI_H
+#define _ASM_X86_DMI_H
+
+#include <asm/io.h>
+
#ifdef CONFIG_X86_32
-# include "dmi_32.h"
-#else
-# include "dmi_64.h"
+
+/* Use early IO mappings for DMI because it's initialized early */
+#define dmi_ioremap bt_ioremap
+#define dmi_iounmap bt_iounmap
+#define dmi_alloc alloc_bootmem
+
+#else /* CONFIG_X86_32 */
+
+#define DMI_MAX_DATA 2048
+
+extern int dmi_alloc_index;
+extern char dmi_alloc_data[DMI_MAX_DATA];
+
+/* This is so early that there is no good way to allocate dynamic memory.
+ Allocate data in an BSS array. */
+static inline void *dmi_alloc(unsigned len)
+{
+ int idx = dmi_alloc_index;
+ if ((dmi_alloc_index += len) > DMI_MAX_DATA)
+ return NULL;
+ return dmi_alloc_data + idx;
+}
+
+#define dmi_ioremap early_ioremap
+#define dmi_iounmap early_iounmap
+
+#endif
+
#endif