1 files changed, 44 insertions, 0 deletions
diff --git a/roms/u-boot/arch/x86/include/asm/e820.h b/roms/u-boot/arch/x86/include/asm/e820.h
new file mode 100644
index 000000000..850a0a7a8
--- /dev/null
+++ b/roms/u-boot/arch/x86/include/asm/e820.h
@@ -0,0 +1,44 @@
+#ifndef _ASM_X86_E820_H
+#define _ASM_X86_E820_H
+
+#define E820MAX		128	/* number of entries in E820MAP */
+
+#define E820_RAM	1
+#define E820_RESERVED	2
+#define E820_ACPI	3
+#define E820_NVS	4
+#define E820_UNUSABLE	5
+#define E820_COUNT	6	/* Number of types */
+
+#ifndef __ASSEMBLY__
+#include <linux/types.h>
+
+struct e820_entry {
+	__u64 addr;	/* start of memory segment */
+	__u64 size;	/* size of memory segment */
+	__u32 type;	/* type of memory segment */
+} __attribute__((packed));
+
+#define ISA_START_ADDRESS	0xa0000
+#define ISA_END_ADDRESS		0x100000
+
+/* Implementation-defined function to install an e820 map */
+unsigned int install_e820_map(unsigned int max_entries,
+			      struct e820_entry *);
+
+/**
+ * cb_install_e820_map() - Install e820 map provided by coreboot sysinfo
+ *
+ * This should be used when booting from coreboot, since in that case the
+ * memory areas are provided by coreboot in its sysinfo.
+ *
+ * @max_entries: Maximum number of entries to write
+ * @entries: Place to put entires
+ * @return number of entries written
+ */
+unsigned int cb_install_e820_map(unsigned int max_entries,
+				 struct e820_entry *entries);
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_X86_E820_H */