x86: Add support for the Simple Firmware Interface (SFI)
This provides a way of passing information to Linux without requiring the
full ACPI horror. Provide a rudimentary implementation sufficient to be
recognised and parsed by Linux.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/lib/tables.c b/arch/x86/lib/tables.c
index 0836e1e..8031201 100644
--- a/arch/x86/lib/tables.c
+++ b/arch/x86/lib/tables.c
@@ -5,6 +5,7 @@
*/
#include <common.h>
+#include <asm/sfi.h>
#include <asm/tables.h>
u8 table_compute_checksum(void *v, int len)
@@ -27,4 +28,8 @@
rom_table_end = write_pirq_routing_table(rom_table_end);
rom_table_end = ALIGN(rom_table_end, 1024);
#endif
+#ifdef CONFIG_GENERATE_SFI_TABLE
+ rom_table_end = write_sfi_table(rom_table_end);
+ rom_table_end = ALIGN(rom_table_end, 1024);
+#endif
}