From b37fd67e8757e2eaf3ae7dd453e9aaa1518e9439 Mon Sep 17 00:00:00 2001 From: Andrey Petrov Date: Tue, 1 Mar 2016 16:25:38 -0800 Subject: drivers/intel/fsp2_0: Add coreboot<->FSP header files This adds important header files that specify calling interface between coreboot and FSP. Change-Id: I393601c91e3c3f630e0fc899f1140ecefed8ecba Signed-off-by: Andrey Petrov Reviewed-on: https://review.coreboot.org/13796 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth --- src/drivers/intel/fsp2_0/include/fsp/api.h | 103 +++++++++++++++++++++++++++++ 1 file changed, 103 insertions(+) create mode 100644 src/drivers/intel/fsp2_0/include/fsp/api.h (limited to 'src/drivers/intel/fsp2_0/include/fsp/api.h') diff --git a/src/drivers/intel/fsp2_0/include/fsp/api.h b/src/drivers/intel/fsp2_0/include/fsp/api.h new file mode 100644 index 0000000000..0d45df3ebd --- /dev/null +++ b/src/drivers/intel/fsp2_0/include/fsp/api.h @@ -0,0 +1,103 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2015 Intel Corp. + * (Written by Alexandru Gagniuc for Intel Corp.) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef _FSP2_0_API_H_ +#define _FSP2_0_API_H_ + +#include +#include +#include + +enum fsp_status { + FSP_SUCCESS = 0x00000000, + FSP_INVALID_PARAMETER = 0x80000002, + FSP_UNSUPPORTED = 0x80000003, + FSP_NOT_READY = 0x80000006, + FSP_DEVICE_ERROR = 0x80000007, + FSP_OUT_OF_RESOURCES = 0x80000009, + FSP_VOLUME_CORRUPTED = 0x8000000a, + FSP_NOT_FOUND = 0x8000000a, + FSP_TIMEOUT = 0x80000012, + FSP_ABORTED = 0x80000015, + FSP_INCOMPATIBLE_VERSION = 0x80000010, + FSP_SECURITY_VIOLATION = 0x8000001a, + FSP_CRC_ERROR = 0x8000001b, +}; + +enum fsp_notify_phase { + AFTER_PCI_ENUM = 0x20, + READY_TO_BOOT = 0x40 +}; + + +/* Opaque structures. These are platform-specific. */ +struct FSP_M_CONFIG; +struct FSP_S_CONFIG; + +/* Main FSP stages */ +enum fsp_status fsp_memory_init(void **hob_list, struct range_entry *r); +enum fsp_status fsp_silicon_init(struct range_entry *r); +enum fsp_status fsp_notify(enum fsp_notify_phase phase); + +/* Callbacks for updating stage-specific parameters */ +void platform_fsp_memory_init_params_cb(struct fsp_m_arch_upd *archupd, + struct FSP_M_CONFIG *mcfg); +void platform_fsp_silicon_init_params_cb(struct FSP_S_CONFIG *silupd); + +/* + * # DOCUMENTATION: + * + * This file defines the interface between coreboot and the FSP 2.0 wrapper + * fsp_memory_init(), fsp_silicon_init(), and fsp_notify() are the main entry + * points and map 1:1 to the FSP entry points of the same name. + * + * ### fsp_memory_init(): + * - hob_list: retuns a pointer to the HOB storage area created by FSP + * - r: memory range that the binary is allowed to be loaded into + * + * This function is responsible for loading and executing the memory + * initialization code from the FSP-M binary. It expects this binary to reside + * in cbfs as FSP_M_FILE. + * + * The function takes one parameter, which is described below, but does not + * take in memory parameters as an argument. The memory parameters can be filled + * in with platform_fsp_memory_init_params_cb(). This is a callback symbol + * that fsp_memory_init() will call. The platform must provide this symbol. + * + * FSP returns information about the memory layout in a series of structures + * called hand-off-blocks (HOB). The "hob_list" output parameter will point to + * the start of the HOB list. The fsp reserved region will also be described by + * one of the HOBs. For more information on parsing these structures, see + * fsp/util.h + * + * + * ### fsp_silicon_init(): + * - r: memory range that the binary is allowed to be loaded into + * + * This function is responsible for loading and executing the silicon + * initialization code from the FSP-S binary. It expects this binary to reside + * in cbfs as FSP_S_FILE. + * + * Like fsp_memory_init(), it provides a callback to fill in FSP-specific + * parameters, via platform_fsp_silicon_init_params_cb(). The platform must + * also provide this symbol. + * + * + * ### fsp_notify(): + * - phase: Which FSP notification phase + * + * This function is responsible for loading and executing the notify code from + * the FSP-S binary. It expects that fsp_silicon_init() has already been called + * succesfully, and that the FSP-S binary is still loaded into memory. + */ + +#endif /* _FSP2_0_API_H_ */ -- cgit v1.2.3