x86: Add support for U-Boot as an EFI application

Add the required x86 glue code. This includes the initial start-up,
relocation and jumping to efi_main(). We also need to avoid fiddling with
interrupts.

Signed-off-by: Ben Stoltz <stoltz@google.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

1 files changed, 42 insertions, 0 deletions

diff --git a/arch/x86/cpu/efi/efi.c b/arch/x86/cpu/efi/efi.c
new file mode 100644
index 0000000..75ba0d4
--- /dev/null
+++ b/arch/x86/cpu/efi/efi.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2015 Google, Inc
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <fdtdec.h>
+#include <netdev.h>
+
+int arch_cpu_init(void)
+{
+#ifdef CONFIG_SYS_X86_TSC_TIMER
+	timer_set_base(rdtsc());
+#endif
+
+	return 0;
+}
+
+int board_early_init_f(void)
+{
+	return 0;
+}
+
+int print_cpuinfo(void)
+{
+	return default_print_cpuinfo();
+}
+
+void board_final_cleanup(void)
+{
+}
+
+int misc_init_r(void)
+{
+	return 0;
+}
+
+int arch_misc_init(void)
+{
+	return 0;
+}