Andrey Petrov (andrey.petrov@intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/13796
-gerrit
commit 1c19ad0f528e9138fbed14efaa287008c7bc0d0c Author: Andrey Petrov andrey.petrov@intel.com Date: Tue Mar 1 16:25:38 2016 -0800
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 andrey.petrov@intel.com --- src/drivers/intel/Kconfig | 1 + src/drivers/intel/Makefile.inc | 1 + src/drivers/intel/fsp2_0/Kconfig | 6 ++ src/drivers/intel/fsp2_0/Makefile.inc | 11 +++ src/drivers/intel/fsp2_0/include/fsp/api.h | 103 +++++++++++++++++++++ src/drivers/intel/fsp2_0/include/fsp/info_header.h | 70 ++++++++++++++ src/drivers/intel/fsp2_0/include/fsp/util.h | 42 +++++++++ 7 files changed, 234 insertions(+)
diff --git a/src/drivers/intel/Kconfig b/src/drivers/intel/Kconfig index 19986f4..e5525d8 100644 --- a/src/drivers/intel/Kconfig +++ b/src/drivers/intel/Kconfig @@ -14,5 +14,6 @@ ##
source src/drivers/intel/fsp1_1/Kconfig +source src/drivers/intel/fsp2_0/Kconfig source src/drivers/intel/gma/Kconfig source src/drivers/intel/i210/Kconfig diff --git a/src/drivers/intel/Makefile.inc b/src/drivers/intel/Makefile.inc index e54f07b..67c1163 100644 --- a/src/drivers/intel/Makefile.inc +++ b/src/drivers/intel/Makefile.inc @@ -2,4 +2,5 @@ subdirs-y += gma subdirs-$(CONFIG_GENERATE_SMBIOS_TABLES) += wifi subdirs-$(CONFIG_PLATFORM_USES_FSP1_0) += fsp1_0 subdirs-$(CONFIG_PLATFORM_USES_FSP1_1) += fsp1_1 +subdirs-$(CONFIG_PLATFORM_USES_FSP2_0) += fsp2_0 subdirs-$(CONFIG_DRIVER_INTEL_I210) += i210 diff --git a/src/drivers/intel/fsp2_0/Kconfig b/src/drivers/intel/fsp2_0/Kconfig new file mode 100644 index 0000000..19e04f7 --- /dev/null +++ b/src/drivers/intel/fsp2_0/Kconfig @@ -0,0 +1,6 @@ +config PLATFORM_USES_FSP2_0 + bool + help + Include FSP 2.0 wrappers and functionality + + diff --git a/src/drivers/intel/fsp2_0/Makefile.inc b/src/drivers/intel/fsp2_0/Makefile.inc new file mode 100644 index 0000000..61faefa --- /dev/null +++ b/src/drivers/intel/fsp2_0/Makefile.inc @@ -0,0 +1,11 @@ +romstage-y += hand_off_block.c +romstage-y += util.c +romstage-y += memory_init.c + +ramstage-y += graphics.c +ramstage-y += hand_off_block.c +ramstage-y += notify.c +ramstage-y += silicon_init.c +ramstage-y += util.c + +CPPFLAGS_common += -I$(src)/drivers/intel/fsp2_0/include 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 0000000..0d45df3 --- /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 alexandrux.gagniuc@intel.com 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 <stddef.h> +#include <memrange.h> +#include <fsp/info_header.h> + +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_ */ diff --git a/src/drivers/intel/fsp2_0/include/fsp/info_header.h b/src/drivers/intel/fsp2_0/include/fsp/info_header.h new file mode 100644 index 0000000..0f25496 --- /dev/null +++ b/src/drivers/intel/fsp2_0/include/fsp/info_header.h @@ -0,0 +1,70 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2015 Intel Corp. + * (Written by Alexandru Gagniuc alexandrux.gagniuc@intel.com 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_INFO_HEADER_H_ +#define _FSP2_0_INFO_HEADER_H_ + +#include <rules.h> +#include <stdint.h> +#include <stdlib.h> +#include <types.h> + +#define FSP_HDR_OFFSET 0x94 +#define FSP_HDR_LEN 0x48 +#define FSP_HDR_SIGNATURE "FSPH" +#define FSP_HDR_ATTRIB_FSPT (0b0001 << 28) +#define FSP_HDR_ATTRIB_FSPM (0b0010 << 28) +#define FSP_HDR_ATTRIB_FSPS (0b0011 << 28) + +struct fsp_header { + uint32_t fsp_revision; + size_t image_size; + uintptr_t image_base; + uint32_t image_attribute; + size_t cfg_region_offset; + size_t cfg_region_size; + size_t notify_phase_entry_offset; + size_t memory_init_entry_offset; + size_t silicon_init_entry_offset; + char image_id[sizeof(uint64_t) + 1]; + uint8_t revision; +}; + +struct fsp_upd_header { + uint64_t signature; + uint8_t revision; +}; + +struct fsp_m_arch_upd { + uint8_t revision; + uintptr_t nvs_buffer; + uintptr_t stack_base; + uint32_t stack_size; + uint32_t bootloader_tolumsz; + uint32_t boot_mode; +}; + +enum cb_err fsp_identify(struct fsp_header *hdr, const void *fsp_blob); +void fsp_print_header_info(const struct fsp_header *hdr); +void fsp_print_upd_info(const struct fsp_header *hdr, void *cfg_blob); + +#if ENV_RAMSTAGE +/* + * This is a FSP_INFO_HEADER that came from fsps.bin blob. It contains + * both SiliconInit and Notify APIs. When SiliconInit is loaded the + * header is saved so that when Notify is called we do not have to start + * header parsing again. + */ +extern struct fsp_header fsps_hdr; +#endif + +#endif /* _FSP2_0_INFO_HEADER_H_ */ diff --git a/src/drivers/intel/fsp2_0/include/fsp/util.h b/src/drivers/intel/fsp2_0/include/fsp/util.h new file mode 100644 index 0000000..69e545e --- /dev/null +++ b/src/drivers/intel/fsp2_0/include/fsp/util.h @@ -0,0 +1,42 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2015 Intel Corp. + * (Written by Alexandru Gagniuc alexandrux.gagniuc@intel.com 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_UTIL_H_ +#define _FSP2_0_UTIL_H_ + +#include <boot/coreboot_tables.h> +#include <fsp/info_header.h> +#include <device/resource.h> +#include <memrange.h> + +/* + * Hand-off-block handling functions that depend on CBMEM, and thus can only + * be used after cbmem_initialize(). + */ +void fsp_save_hob_list(void *hob_list_ptr); +const void *fsp_get_hob_list(void); +const void *fsp_find_extension_hob_by_uuid(const uint8_t *uuid, size_t *size); +enum cb_err fsp_fill_lb_framebuffer(struct lb_framebuffer *framebuffer); +/* + * Hand-off-block utilities which do not depend on CBMEM, but need to be passed + * the HOB list explicitly. + */ +void fsp_find_reserved_memory(struct resource *res, const void *hob_list); +void fsp_print_memory_resource_hobs(const void *hob_list); + +/* Load an FSP binary into CBFS, and fill the associated fsp_header struct */ +enum cb_err fsp_load_binary(struct fsp_header *hdr, const char *name, + struct range_entry *r); +/* Load a vbt.bin file for graphics. Returns 0 if a valid VBT is not found. */ +uintptr_t fsp_load_vbt(void); + +#endif /* _FSP2_0_UTIL_H_ */
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Andrey Petrov