x86: Move common FSP code into a common location

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

1 files changed, 55 insertions, 0 deletions

diff --git a/arch/x86/include/asm/fsp/fsp_api.h b/arch/x86/include/asm/fsp/fsp_api.h
new file mode 100644
index 0000000000..a9d7156109
--- /dev/null
+++ b/arch/x86/include/asm/fsp/fsp_api.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2013, Intel Corporation
+ * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * SPDX-License-Identifier:	Intel
+ */
+
+#ifndef __FSP_API_H__
+#define __FSP_API_H__
+
+/*
+ * FspInit continuation function prototype.
+ * Control will be returned to this callback function after FspInit API call.
+ */
+typedef void (*fsp_continuation_f)(u32 status, void *hob_list);
+
+struct fsp_init_params {
+	/* Non-volatile storage buffer pointer */
+	void			*nvs_buf;
+	/* Runtime buffer pointer */
+	void			*rt_buf;
+	/* Continuation function address */
+	fsp_continuation_f	continuation;
+};
+
+struct common_buf {
+	/*
+	 * Stack top pointer used by the bootloader. The new stack frame will be
+	 * set up at this location after FspInit API call.
+	 */
+	u32	*stack_top;
+	u32	boot_mode;	/* Current system boot mode */
+	void	*upd_data;	/* User platform configuraiton data region */
+	u32	reserved[7];	/* Reserved */
+};
+
+enum fsp_phase {
+	/* Notification code for post PCI enuermation */
+	INIT_PHASE_PCI	= 0x20,
+	/* Notification code before transfering control to the payload */
+	INIT_PHASE_BOOT	= 0x40
+};
+
+struct fsp_notify_params {
+	/* Notification phase used for NotifyPhase API */
+	enum fsp_phase	phase;
+};
+
+/* FspInit API function prototype */
+typedef u32 (*fsp_init_f)(struct fsp_init_params *params);
+
+/* FspNotify API function prototype */
+typedef u32 (*fsp_notify_f)(struct fsp_notify_params *params);
+
+#endif