diff options
Diffstat (limited to 'src/drivers/intel')
| -rw-r--r-- | src/drivers/intel/fsp1_0/Kconfig | 136 | ||||
| -rw-r--r-- | src/drivers/intel/fsp1_0/Makefile.inc | 56 | ||||
| -rw-r--r-- | src/drivers/intel/fsp1_0/cache_as_ram.inc | 119 | ||||
| -rw-r--r-- | src/drivers/intel/fsp1_0/fastboot_cache.c | 248 | ||||
| -rw-r--r-- | src/drivers/intel/fsp1_0/fsp_util.c | 352 | ||||
| -rw-r--r-- | src/drivers/intel/fsp1_0/fsp_util.h | 123 | ||||
| -rw-r--r-- | src/drivers/intel/fsp1_0/fsp_values.h | 35 | ||||
| -rw-r--r-- | src/drivers/intel/fsp1_0/hob.c | 261 |
8 files changed, 0 insertions, 1330 deletions
diff --git a/src/drivers/intel/fsp1_0/Kconfig b/src/drivers/intel/fsp1_0/Kconfig deleted file mode 100644 index 1a1d4f7072..0000000000 --- a/src/drivers/intel/fsp1_0/Kconfig +++ /dev/null @@ -1,136 +0,0 @@ -## -## This file is part of the coreboot project. -## -## 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; version 2 of the License. -## -## This program is distributed in the hope that it will be useful, -## but WITHOUT ANY WARRANTY; without even the implied warranty of -## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -## GNU General Public License for more details. -## - -config PLATFORM_USES_FSP1_0 - bool - default n - select CAR_GLOBAL_MIGRATION - select NO_FMAP_CACHE # doesn't work with CAR_GLOBAL restrictions - help - Selected for Intel processors/platform combinations that use the - Intel Firmware Support Package (FSP) 1.0 for initialization. - -if PLATFORM_USES_FSP1_0 - -comment "Intel FSP" - -config HAVE_FSP_BIN - bool "Use Intel Firmware Support Package" - help - Select this option to add an Intel FSP binary to - the resulting coreboot image. - - Note: Without this binary, coreboot builds relying on the FSP - will not boot - -config DCACHE_RAM_BASE - hex - default 0xfef00000 - -config DCACHE_RAM_SIZE - hex - default 0x4000 - -config FSP_HEADER_PATH - string "Location of FSP headers" - help - The path to headers files that are released with the FSP binary. - -config FSP_SRC_PATH - string "Additional FSP source file" - help - Additional source files that are released with the FSP binary. - -if HAVE_FSP_BIN - -config FSP_FILE - string "Intel FSP binary path and filename" - help - The path and filename of the Intel FSP binary for this platform. - -endif #HAVE_FSP_BIN - -config FSP_LOC - hex "Intel FSP Binary location in CBFS" - help - The location in CBFS that the FSP is located. This must match the - value that is set in the FSP binary. If the FSP needs to be moved, - rebase the FSP with Intel's BCT (tool). - -config ENABLE_FSP_FAST_BOOT - bool "Enable Fast Boot" - select ENABLE_MRC_CACHE - default n - help - Enabling this feature will force the MRC data to be cached in NV - storage to be used for speeding up boot time on future reboots - and/or power cycles. - -config ENABLE_MRC_CACHE - bool - default y if HAVE_ACPI_RESUME - default n - help - Enabling this feature will cause MRC data to be cached in NV storage. - This can either be used for fast boot, or just because the FSP wants - it to be saved. - -config MRC_CACHE_FMAP - bool "Use MRC Cache in FMAP" - depends on ENABLE_MRC_CACHE - select CACHE_MRC_SETTINGS - default n - help - Use the region "RW_MRC_CACHE" in FMAP instead of "mrc.cache" in CBFS. - Your FMAP must contain a region named "RW_MRC_CACHE". - -config MRC_CACHE_SIZE - hex "Fast Boot Data Cache Size" - default 0x10000 - depends on ENABLE_MRC_CACHE - depends on !MRC_CACHE_FMAP - help - This is the amount of space in NV storage that is reserved for the - fast boot data cache storage. - - WARNING: Because this area will be erased and re-written, the size - should be a full sector of the flash ROM chip and nothing else should - be included in CBFS in any sector that the fast boot cache data is in. - -config VIRTUAL_ROM_SIZE - hex "Virtual ROM Size" - default ROM_SIZE - depends on ENABLE_MRC_CACHE - help - This is used to calculate the offset of the MRC data cache in NV - Storage for fast boot. If in doubt, leave this set to the default - which sets the virtual size equal to the ROM size. - - Example: Cougar Canyon 2 has two 8 MB SPI ROMs. When the SPI ROMs are - loaded with a 4 MB coreboot image, the virtual ROM size is 8 MB. When - the SPI ROMs are loaded with an 8 MB coreboot image, the virtual ROM - size is 16 MB. - -config USE_GENERIC_FSP_CAR_INC - bool - default n - help - The chipset can select this to use a generic cache_as_ram.inc file - that should be good for all FSP based platforms. - -config FSP_USES_UPD - bool - default n - help - If this FSP uses UPD/VPD data regions, select this in the chipset Kconfig. -endif #PLATFORM_USES_FSP1_0 diff --git a/src/drivers/intel/fsp1_0/Makefile.inc b/src/drivers/intel/fsp1_0/Makefile.inc deleted file mode 100644 index 038694950a..0000000000 --- a/src/drivers/intel/fsp1_0/Makefile.inc +++ /dev/null @@ -1,56 +0,0 @@ -# -# This file is part of the coreboot project. -# -# 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; version 2 of the License. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# - -ifeq ($(CONFIG_PLATFORM_USES_FSP1_0),y) - -ramstage-y += fsp_util.c hob.c -romstage-y += fsp_util.c hob.c - -ramstage-$(CONFIG_ENABLE_MRC_CACHE) += fastboot_cache.c -romstage-$(CONFIG_ENABLE_MRC_CACHE) += fastboot_cache.c - -CPPFLAGS_common += -Isrc/drivers/intel/fsp1_0 -I$(objgenerated) - -cpu_incs-$(CONFIG_USE_GENERIC_FSP_CAR_INC) += $(src)/drivers/intel/fsp1_0/cache_as_ram.inc - -ifeq ($(CONFIG_HAVE_FSP_BIN),y) -cbfs-files-y += fsp.bin -fsp.bin-file := $(call strip_quotes,$(CONFIG_FSP_FILE)) -fsp.bin-position := $(CONFIG_FSP_LOC) -fsp.bin-type := fsp -fsp.bin-options := --xip $(TXTIBB) -endif - -ifeq ($(CONFIG_ENABLE_MRC_CACHE),y) -ifneq ($(CONFIG_MRC_CACHE_FMAP),y) -$(obj)/mrc.cache: - dd if=/dev/zero count=1 \ - bs=$(shell printf "%d" $(CONFIG_MRC_CACHE_SIZE) ) | \ - tr '\000' '\377' > $@ - -cbfs-files-y += mrc.cache -mrc.cache-file := $(obj)/mrc.cache -mrc.cache-align := 0x10000 -mrc.cache-type := mrc_cache -endif -endif - -ifneq ($(call strip_quotes,$(CONFIG_FSP_SRC_PATH)),) -ramstage-y += $(call strip_quotes,$(CONFIG_FSP_SRC_PATH)) -endif - -ifneq ($(call strip_quotes,$(CONFIG_FSP_HEADER_PATH)),) -CPPFLAGS_common += -I$(CONFIG_FSP_HEADER_PATH) -endif - -endif diff --git a/src/drivers/intel/fsp1_0/cache_as_ram.inc b/src/drivers/intel/fsp1_0/cache_as_ram.inc deleted file mode 100644 index 346416fdda..0000000000 --- a/src/drivers/intel/fsp1_0/cache_as_ram.inc +++ /dev/null @@ -1,119 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * 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; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <cpu/x86/mtrr.h> -#include <cpu/x86/cache.h> -#include <cpu/x86/post_code.h> - - cmp $0, %eax - je cache_as_ram - mov $0xa0, %eax - jmp .Lhlt - -cache_as_ram: - post_code(0x20) - - /* - * Find the FSP binary in cbfs. - * Make a fake stack that has the return value back to this code. - */ - lea fake_fsp_stack, %esp - jmp find_fsp_bypass_prologue -find_fsp_ret: - /* Save the FSP location */ - mov %eax, %ebp - cmp $CONFIG_FSP_LOC, %eax - jae find_fsp_ok - mov $0xb0, %eax - jmp .Lhlt - -find_fsp_ok: - post_code(POST_FSP_TEMP_RAM_INIT) - - /* Calculate entry into FSP */ - mov 0x30(%ebp), %eax /* Load TempRamInitEntry */ - add 0x1c(%ebp), %eax /* add in the offset for the FSP base address */ - - /* - * Pass early init variables on a fake stack (no memory yet) - * as well as the return location - */ - lea CAR_init_stack, %esp - - /* call FSP binary to setup temporary stack */ - jmp *%eax - -CAR_init_done: - addl $4, %esp - cmp $0, %eax - je car_init_ok - add $0xc0, %eax - jmp .Lhlt - -car_init_ok: - - /* Save FSP_INFO_HEADER location in ebx */ - mov %ebp, %ebx - - /* - * set up bootloader stack - * ecx: stack base - * edx: stack top - */ - mov %edx, %esp - movl %esp, %ebp - - /* Clear the cbmem CAR memory region. */ - movl %ecx, %edi - movl %edx, %ecx - sub %edi, %ecx - shr $2, %ecx - xorl %eax, %eax - rep stosl - -before_romstage: - post_code(0x23) - - /* Call romstage.c main function. */ - pushl %ebx /* main takes FSP_INFO_HEADER as its argument */ - call main /* does not return */ - movb $0xB8, %ah - jmp .Lhlt - -.Lhlt: -#if CONFIG(POST_IO) - outb %al, $CONFIG_POST_IO_PORT -#endif - hlt - jmp .Lhlt - -/* - * esp is set to this location so that the call into and return from the FSP - * in find_fsp will work. - */ - .align 4 -fake_fsp_stack: - .long find_fsp_ret - -CAR_init_params: - .long dummy_microcode - .long 0 - .long CACHE_ROM_BASE /* Firmware Location */ - .long CACHE_ROM_SIZE /* Total Firmware Length */ - -CAR_init_stack: - .long CAR_init_done - .long CAR_init_params - -dummy_microcode: - .long 0 diff --git a/src/drivers/intel/fsp1_0/fastboot_cache.c b/src/drivers/intel/fsp1_0/fastboot_cache.c deleted file mode 100644 index cd0324a2e9..0000000000 --- a/src/drivers/intel/fsp1_0/fastboot_cache.c +++ /dev/null @@ -1,248 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * 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; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <stdint.h> -#include <string.h> -#include <bootstate.h> -#include <console/console.h> -#include <cbfs.h> -#include <fmap.h> -#include <ip_checksum.h> -#include <device/device.h> -#include <cbmem.h> -#include <spi-generic.h> -#include <spi_flash.h> -#include <lib.h> // hexdump -#include "fsp_util.h" - -/* convert a pointer to flash area into the offset inside the flash */ -static inline u32 to_flash_offset(void *p) { - return ((u32)p + CONFIG_VIRTUAL_ROM_SIZE); -} - -static struct mrc_data_container *next_mrc_block( - struct mrc_data_container *mrc_cache) -{ - /* MRC data blocks are aligned within the region */ - u32 mrc_size = sizeof(*mrc_cache) + mrc_cache->mrc_data_size; - if (mrc_size & (MRC_DATA_ALIGN - 1UL)) { - mrc_size &= ~(MRC_DATA_ALIGN - 1UL); - mrc_size += MRC_DATA_ALIGN; - } - - u8 *region_ptr = (u8*)mrc_cache; - region_ptr += mrc_size; - return (struct mrc_data_container *)region_ptr; -} - -static int is_mrc_cache(struct mrc_data_container *mrc_cache) -{ - return (!!mrc_cache) && (mrc_cache->mrc_signature == MRC_DATA_SIGNATURE); -} - -static u32 get_mrc_cache_region(struct mrc_data_container **mrc_region_ptr) -{ - size_t region_size; - - if (CONFIG(MRC_CACHE_FMAP)) { - struct region_device rdev; - if (fmap_locate_area_as_rdev("RW_MRC_CACHE", &rdev) == 0) { - *mrc_region_ptr = rdev_mmap_full(&rdev); - return region_device_sz(&rdev); - } - *mrc_region_ptr = NULL; - return 0; - } - *mrc_region_ptr = cbfs_boot_map_with_leak("mrc.cache", - CBFS_TYPE_MRC_CACHE, - ®ion_size); - - return region_size; -} - -/* - * Find the largest index block in the MRC cache. Return NULL if none is - * found. - */ -static struct mrc_data_container *find_current_mrc_cache_local - (struct mrc_data_container *mrc_cache, u32 region_size) -{ - u32 region_end; - u32 entry_id = 0; - struct mrc_data_container *mrc_next = mrc_cache; - - region_end = (u32) mrc_cache + region_size; - - /* Search for the last filled entry in the region */ - while (is_mrc_cache(mrc_next)) { - entry_id++; - mrc_cache = mrc_next; - mrc_next = next_mrc_block(mrc_next); - if ((u32)mrc_next >= region_end) { - /* Stay in the MRC data region */ - break; - } - } - - if (entry_id == 0) { - printk(BIOS_ERR, "%s: No valid fast boot cache found.\n", __func__); - return NULL; - } - - /* Verify checksum */ - if (mrc_cache->mrc_checksum != - compute_ip_checksum(mrc_cache->mrc_data, - mrc_cache->mrc_data_size)) { - printk(BIOS_ERR, "%s: fast boot cache checksum mismatch\n", __func__); - return NULL; - } - - printk(BIOS_DEBUG, "%s: picked entry %u from cache block\n", __func__, - entry_id - 1); - - return mrc_cache; -} - -/* find the first empty block in the MRC cache area. - * If there's none, return NULL. - * - * @mrc_cache_base - base address of the MRC cache area - * @mrc_cache - current entry (for which we need to find next) - * @region_size - total size of the MRC cache area - */ -static struct mrc_data_container *find_next_mrc_cache - (struct mrc_data_container *mrc_cache_base, - struct mrc_data_container *mrc_cache, - u32 region_size) -{ - u32 region_end = (u32) mrc_cache_base + region_size; - u32 mrc_data_size = mrc_cache->mrc_data_size; - - mrc_cache = next_mrc_block(mrc_cache); - if (((u32)mrc_cache + mrc_data_size) >= region_end) { - /* Crossed the boundary */ - mrc_cache = NULL; - printk(BIOS_DEBUG, "%s: no available entries found\n", - __func__); - } else { - printk(BIOS_DEBUG, - "%s: picked next entry from cache block at %p\n", - __func__, mrc_cache); - } - - return mrc_cache; -} - -void update_mrc_cache(void *unused) -{ - printk(BIOS_DEBUG, "Updating fast boot cache data.\n"); - struct mrc_data_container *current = cbmem_find(CBMEM_ID_MRCDATA); - struct mrc_data_container *cache, *cache_base; - u32 cache_size; - struct spi_flash flash; - - if (!current) { - printk(BIOS_ERR, "No fast boot cache in cbmem. Can't update flash.\n"); - return; - } - if (current->mrc_data_size == -1) { - printk(BIOS_ERR, "Fast boot cache data in cbmem invalid.\n"); - return; - } - - cache_size = get_mrc_cache_region(&cache_base); - if (cache_base == NULL) { - printk(BIOS_ERR, "%s: could not find fast boot cache area\n", - __func__); - return; - } - - /* - * we need to: - * 0. compare MRC data to last mrc-cache block (exit if same) - */ - cache = find_current_mrc_cache_local(cache_base, cache_size); - - if (cache && (cache->mrc_data_size == current->mrc_data_size) && - (memcmp(cache, current, cache->mrc_data_size) == 0)) { - printk(BIOS_DEBUG, - "MRC data in flash is up to date. No update.\n"); - return; - } - - /* 1. use spi_flash_probe() to find the flash, then... */ - spi_init(); - if (spi_flash_probe(0, 0, &flash)) { - printk(BIOS_DEBUG, "Could not find SPI device\n"); - return; - } - - /* 2. look up the first unused block */ - if (cache) - cache = find_next_mrc_cache(cache_base, cache, cache_size); - - /* - * 3. if no such place exists, erase entire mrc-cache range & use - * block 0. First time around the erase is not needed, but this is a - * small overhead for simpler code. - */ - if (!cache) { - printk(BIOS_DEBUG, - "Need to erase the MRC cache region of %d bytes at %p\n", - cache_size, cache_base); - - spi_flash_erase(&flash, to_flash_offset(cache_base), - cache_size); - - /* we will start at the beginning again */ - cache = cache_base; - } - /* 4. write mrc data with spi_flash_write() */ - printk(BIOS_DEBUG, "Write MRC cache update to flash at %p\n", - cache); - spi_flash_write(&flash, to_flash_offset(cache), - current->mrc_data_size + sizeof(*current), current); -} - -void *find_and_set_fastboot_cache(void) -{ - struct mrc_data_container *mrc_cache = NULL; - if (((mrc_cache = find_current_mrc_cache()) == NULL) || - (mrc_cache->mrc_data_size == -1UL)) { - printk(BIOS_DEBUG, "FSP MRC cache not present.\n"); - return NULL; - } - printk(BIOS_DEBUG, "FSP MRC cache present at %x.\n", (u32)mrc_cache); - printk(BIOS_SPEW, "Saved MRC data:\n"); - hexdump32(BIOS_SPEW, (void *)mrc_cache->mrc_data, (mrc_cache->mrc_data_size) / 4); - return (void *) mrc_cache->mrc_data; -} - -struct mrc_data_container *find_current_mrc_cache(void) -{ - struct mrc_data_container *cache_base; - u32 cache_size; - - cache_size = get_mrc_cache_region(&cache_base); - if (cache_base == NULL) { - printk(BIOS_ERR, "%s: could not find fast boot cache area\n", - __func__); - return NULL; - } - - /* - * we need to: - * 0. compare MRC data to last mrc-cache block (exit if same) - */ - return find_current_mrc_cache_local(cache_base, cache_size); -} diff --git a/src/drivers/intel/fsp1_0/fsp_util.c b/src/drivers/intel/fsp1_0/fsp_util.c deleted file mode 100644 index 4b38c01ade..0000000000 --- a/src/drivers/intel/fsp1_0/fsp_util.c +++ /dev/null @@ -1,352 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * 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; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <types.h> -#include <string.h> -#include <console/console.h> -#include <bootstate.h> -#include <cbmem.h> -#include "fsp_util.h" -#include <lib.h> // hexdump -#include <ip_checksum.h> -#include <timestamp.h> -#include <cpu/intel/microcode.h> -#include <cf9_reset.h> - -/* Globals pointers for FSP structures */ -void *FspHobListPtr = NULL; -FSP_INFO_HEADER *fsp_header_ptr = NULL; - -void FspNotify (u32 Phase) -{ - FSP_NOTFY_PHASE NotifyPhaseProc; - NOTIFY_PHASE_PARAMS NotifyPhaseParams; - EFI_STATUS Status; - - if (fsp_header_ptr == NULL) { - fsp_header_ptr = (void *)find_fsp(); - if ((u32)fsp_header_ptr < 0xff) { - post_code(0x4F); /* output something in case there is no serial */ - die("Can't find the FSP!\n"); - } - } - - /* call FSP PEI to Notify PostPciEnumeration */ - NotifyPhaseProc = (FSP_NOTFY_PHASE)(fsp_header_ptr->ImageBase + - fsp_header_ptr->NotifyPhaseEntry); - NotifyPhaseParams.Phase = Phase; - - timestamp_add_now(Phase == EnumInitPhaseReadyToBoot ? - TS_FSP_BEFORE_FINALIZE : TS_FSP_BEFORE_ENUMERATE); - - Status = NotifyPhaseProc (&NotifyPhaseParams); - - timestamp_add_now(Phase == EnumInitPhaseReadyToBoot ? - TS_FSP_AFTER_FINALIZE : TS_FSP_AFTER_ENUMERATE); - - if (Status != 0) - printk(BIOS_ERR,"FSP API NotifyPhase failed for phase 0x%x with status: 0x%x\n", Phase, Status); -} - -/* The FSP returns here after the fsp_early_init call */ -static void ChipsetFspReturnPoint(EFI_STATUS Status, VOID *HobListPtr) -{ - *(void **)CBMEM_FSP_HOB_PTR = HobListPtr; - - if (Status == 0xFFFFFFFF) - system_reset(); - - romstage_main_continue(Status, HobListPtr); -} - -/* - * Call the FSP to do memory init. The FSP doesn't return to this function. - * The FSP returns to the romstage_main_continue(). - */ -void __noreturn fsp_early_init (FSP_INFO_HEADER *fsp_ptr) -{ - FSP_FSP_INIT FspInitApi; - FSP_INIT_PARAMS FspInitParams; - FSP_INIT_RT_BUFFER FspRtBuffer; -#if CONFIG(FSP_USES_UPD) - UPD_DATA_REGION fsp_upd_data; -#endif - - /* Load microcode before RAM init */ - if (CONFIG(SUPPORT_CPU_UCODE_IN_CBFS)) - intel_update_microcode_from_cbfs(); - - memset((void *)&FspRtBuffer, 0, sizeof(FSP_INIT_RT_BUFFER)); - FspRtBuffer.Common.StackTop = (u32 *)CONFIG_RAMTOP; - FspInitParams.NvsBufferPtr = NULL; - -#if CONFIG(FSP_USES_UPD) - FspRtBuffer.Common.UpdDataRgnPtr = &fsp_upd_data; -#endif - FspInitParams.RtBufferPtr = (FSP_INIT_RT_BUFFER *)&FspRtBuffer; - FspInitParams.ContinuationFunc = (CONTINUATION_PROC)ChipsetFspReturnPoint; - FspInitApi = (FSP_FSP_INIT)(fsp_ptr->ImageBase + fsp_ptr->FspInitEntry); - - /* Call the chipset code to fill in the chipset specific structures */ - chipset_fsp_early_init(&FspInitParams, fsp_ptr); - - /* Call back to romstage for board specific changes */ - romstage_fsp_rt_buffer_callback(&FspRtBuffer); - - post_code(POST_FSP_MEMORY_INIT); - FspInitApi(&FspInitParams); - - /* Should never return. Control will continue from ContinuationFunc */ - die("Uh Oh! FspInitApi returned"); -} - -volatile u8 *find_fsp() -{ -#if ENV_ROMSTAGE - volatile register u8 *fsp_ptr asm ("eax"); - - /* Entry point for CAR assembly routine */ - __asm__ __volatile__ ( - ".global find_fsp_bypass_prologue\n\t" - "find_fsp_bypass_prologue:\n\t" - ); -#else - volatile u8 *fsp_ptr; -#endif - - /* The FSP is stored in CBFS */ - fsp_ptr = (u8 *) CONFIG_FSP_LOC; - - /* Check the FV signature, _FVH */ - if (((EFI_FIRMWARE_VOLUME_HEADER *)fsp_ptr)->Signature == 0x4856465F) { - /* Go to the end of the FV header and align the address. */ - fsp_ptr += ((EFI_FIRMWARE_VOLUME_HEADER *)fsp_ptr)->ExtHeaderOffset; - fsp_ptr += ((EFI_FIRMWARE_VOLUME_EXT_HEADER *)fsp_ptr)->ExtHeaderSize; - fsp_ptr = (u8 *)(((u32)fsp_ptr + 7) & 0xFFFFFFF8); - } else { - fsp_ptr = (u8*)ERROR_NO_FV_SIG; - } - - /* Check the FFS GUID */ - if (((u32)fsp_ptr > 0xff) && - (((u32 *)&(((EFI_FFS_FILE_HEADER *)fsp_ptr)->Name))[0] == 0x912740BE) && - (((u32 *)&(((EFI_FFS_FILE_HEADER *)fsp_ptr)->Name))[1] == 0x47342284) && - (((u32 *)&(((EFI_FFS_FILE_HEADER *)fsp_ptr)->Name))[2] == 0xB08471B9) && - (((u32 *)&(((EFI_FFS_FILE_HEADER *)fsp_ptr)->Name))[3] == 0x0C3F3527)) { - /* Add the FFS Header size to the base to find the Raw section Header */ - fsp_ptr += sizeof(EFI_FFS_FILE_HEADER); - } else { - fsp_ptr = (u8 *)ERROR_NO_FFS_GUID; - } - - if (((u32)fsp_ptr > 0xff) && - ((EFI_RAW_SECTION *)fsp_ptr)->Type == EFI_SECTION_RAW) { - /* Add the Raw Header size to the base to find the FSP INFO Header */ - fsp_ptr += sizeof(EFI_RAW_SECTION); - } else { - fsp_ptr = (u8 *)ERROR_NO_INFO_HEADER; - } - - /* Verify that the FSP is set to the base address we're expecting.*/ - if (((u32)fsp_ptr > 0xff) && - (*(u32*)(fsp_ptr + FSP_IMAGE_BASE_LOC) != CONFIG_FSP_LOC)) { - fsp_ptr = (u8 *)ERROR_IMAGEBASE_MISMATCH; - } - - /* Verify the FSP Signature */ - if (((u32)fsp_ptr > 0xff) && - (*(u32*)(fsp_ptr + FSP_IMAGE_SIG_LOC) != FSP_SIG)){ - fsp_ptr = (u8 *)ERROR_INFO_HEAD_SIG_MISMATCH; - } - - /* Verify the FSP ID */ - if (((u32)fsp_ptr > 0xff) && - ((*(u32 *)(fsp_ptr + FSP_IMAGE_ID_LOC) != FSP_IMAGE_ID_DWORD0) || - (*(u32 *)(fsp_ptr + (FSP_IMAGE_ID_LOC + 4)) != FSP_IMAGE_ID_DWORD1))) { - fsp_ptr = (u8 *)ERROR_FSP_SIG_MISMATCH; - } - - return (fsp_ptr); -} - -/** finds the saved temporary memory information in the FSP HOB list - * - * @param hob_list_ptr pointer to the start of the hob list - * @return pointer to saved CAR MEM or NULL if not found. - */ -void *find_saved_temp_mem(void *hob_list_ptr) -{ - EFI_GUID temp_hob_guid = FSP_BOOTLOADER_TEMPORARY_MEMORY_HOB_GUID; - EFI_HOB_GUID_TYPE *saved_mem_hob = - (EFI_HOB_GUID_TYPE *) find_hob_by_guid( - hob_list_ptr, &temp_hob_guid); - - if (saved_mem_hob == NULL) - return NULL; - - return (void *) ((char *) saved_mem_hob + sizeof(EFI_HOB_GUID_TYPE)); -} - -#ifndef FSP_RESERVE_MEMORY_SIZE -/** @brief locates the HOB containing the location of the fsp reserved mem area - * - * @param hob_list_ptr pointer to the start of the hob list - * @return pointer to the start of the FSP reserved memory or NULL if not found. - */ -void *find_fsp_reserved_mem(void *hob_list_ptr) -{ - EFI_GUID fsp_reserved_guid = FSP_HOB_RESOURCE_OWNER_FSP_GUID; - EFI_HOB_RESOURCE_DESCRIPTOR *fsp_reserved_mem = - (EFI_HOB_RESOURCE_DESCRIPTOR *) find_hob_by_guid( - hob_list_ptr, &fsp_reserved_guid); - - if (fsp_reserved_mem == NULL) - return NULL; - - return (void *)((uintptr_t)fsp_reserved_mem->PhysicalStart); -} -#endif /* FSP_RESERVE_MEMORY_SIZE */ - -void print_fsp_info(void) { - - if (fsp_header_ptr == NULL) - fsp_header_ptr = (void *)find_fsp(); - - if ((u32)fsp_header_ptr < 0xff) { - post_code(0x4F); /* post code in case there is no serial */ - die("Can't find the FSP!\n"); - } - - if (FspHobListPtr == NULL) { - FspHobListPtr = (void *)*((u32 *) - cbmem_find(CBMEM_ID_HOB_POINTER)); - } - - printk(BIOS_SPEW,"fsp_header_ptr: %p\n", fsp_header_ptr); - printk(BIOS_INFO,"FSP Header Version: %d\n", fsp_header_ptr->HeaderRevision); - printk(BIOS_INFO,"FSP Revision: %d.%d\n", - (u8)((fsp_header_ptr->ImageRevision >> 8) & 0xff), - (u8)(fsp_header_ptr->ImageRevision & 0xff)); -} - -/** - * Save the FSP memory HOB (mrc data) to the MRC area in CBMEM - */ -static int save_mrc_data(void *hob_start) -{ - u32 *mrc_hob; - u32 *mrc_hob_data; - u32 mrc_hob_size; - struct mrc_data_container *mrc_data; - int output_len; - const EFI_GUID mrc_guid = FSP_NON_VOLATILE_STORAGE_HOB_GUID; - - mrc_hob = GetNextGuidHob(&mrc_guid, hob_start); - if (mrc_hob == NULL){ - printk(BIOS_DEBUG, "Memory Configure Data Hob is not present\n"); - return(0); - } - - mrc_hob_data = GET_GUID_HOB_DATA (mrc_hob); - mrc_hob_size = (u32) GET_HOB_LENGTH(mrc_hob); - - printk(BIOS_DEBUG, "Memory Configure Data Hob at %p (size = 0x%x).\n", - (void *)mrc_hob_data, mrc_hob_size); - - output_len = ALIGN_UP(mrc_hob_size, 16); - - /* Save the MRC S3/fast boot/ADR restore data to cbmem */ - mrc_data = cbmem_add (CBMEM_ID_MRCDATA, - output_len + sizeof(struct mrc_data_container)); - - /* Just return if there was a problem with getting CBMEM */ - if (mrc_data == NULL) { - printk(BIOS_WARNING, "CBMEM was not available to save the fast boot cache data.\n"); - return 0; - } - - printk(BIOS_DEBUG, "Copy FSP MRC DATA to HOB (source addr %p, dest addr %p, %u bytes)\n", - (void *)mrc_hob_data, mrc_data, output_len); - - mrc_data->mrc_signature = MRC_DATA_SIGNATURE; - mrc_data->mrc_data_size = output_len; - mrc_data->reserved = 0; - memcpy(mrc_data->mrc_data, (const void *)mrc_hob_data, mrc_hob_size); - - /* Zero the unused space in aligned buffer. */ - if (output_len > mrc_hob_size) - memset((mrc_data->mrc_data + mrc_hob_size), 0, - output_len - mrc_hob_size); - - mrc_data->mrc_checksum = compute_ip_checksum(mrc_data->mrc_data, - mrc_data->mrc_data_size); - - printk(BIOS_SPEW, "Fast boot data (includes align and checksum):\n"); - hexdump32(BIOS_SPEW, (void *)mrc_data->mrc_data, output_len / 4); - return (1); -} - -static void find_fsp_hob_update_mrc(void *unused) -{ - /* Set the global HOB list pointer */ - FspHobListPtr = (void *)*((u32 *) cbmem_find(CBMEM_ID_HOB_POINTER)); - - if (!FspHobListPtr){ - printk(BIOS_ERR, "ERROR: Could not find FSP HOB pointer in CBFS!\n"); - } else { - /* 0x0000: Print all types */ - print_hob_type_structure(0x000, FspHobListPtr); - } - - if (CONFIG(ENABLE_MRC_CACHE)) { - if (save_mrc_data(FspHobListPtr)) - update_mrc_cache(NULL); - else - printk(BIOS_DEBUG,"Not updating MRC data in flash.\n"); - } -} - -/** @brief Notify FSP for PostPciEnumeration - * - * @param unused - */ -static void fsp_after_pci_enum(void *unused) -{ - /* This call needs to be done before resource allocation. */ - printk(BIOS_DEBUG, "FspNotify(EnumInitPhaseAfterPciEnumeration)\n"); - post_code(POST_FSP_NOTIFY_BEFORE_ENUMERATE); - FspNotify(EnumInitPhaseAfterPciEnumeration); - printk(BIOS_DEBUG, - "Returned from FspNotify(EnumInitPhaseAfterPciEnumeration)\n"); -} - -/** @brief Notify FSP for ReadyToBoot - * - * @param unused - */ -static void fsp_finalize(void *unused) -{ - printk(BIOS_DEBUG, "FspNotify(EnumInitPhaseReadyToBoot)\n"); - print_fsp_info(); - post_code(POST_FSP_NOTIFY_BEFORE_FINALIZE); - FspNotify(EnumInitPhaseReadyToBoot); - printk(BIOS_DEBUG, "Returned from FspNotify(EnumInitPhaseReadyToBoot)\n"); -} - - -/* Set up for the ramstage FSP calls */ -BOOT_STATE_INIT_ENTRY(BS_DEV_ENUMERATE, BS_ON_EXIT, fsp_after_pci_enum, NULL); -BOOT_STATE_INIT_ENTRY(BS_PAYLOAD_BOOT, BS_ON_ENTRY, fsp_finalize, NULL); - -/* Update the MRC/fast boot cache as part of the late table writing stage */ -BOOT_STATE_INIT_ENTRY(BS_WRITE_TABLES, BS_ON_ENTRY, find_fsp_hob_update_mrc, NULL); diff --git a/src/drivers/intel/fsp1_0/fsp_util.h b/src/drivers/intel/fsp1_0/fsp_util.h deleted file mode 100644 index ca0e8d83d2..0000000000 --- a/src/drivers/intel/fsp1_0/fsp_util.h +++ /dev/null @@ -1,123 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * 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; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#ifndef FSP_UTIL_H -#define FSP_UTIL_H - -#include <chipset_fsp_util.h> -#include <console/console.h> - -#include "fsp_values.h" - -void *find_and_set_fastboot_cache(void); - -volatile u8 *find_fsp(void); -void fsp_early_init(FSP_INFO_HEADER *fsp_info); -void FspNotify(u32 Phase); -void FspNotifyReturnPoint(EFI_STATUS Status, VOID *HobListPtr); -void romstage_fsp_rt_buffer_callback(FSP_INIT_RT_BUFFER *FspRtBuffer); -void print_fsp_info(void); -void chipset_fsp_early_init(FSP_INIT_PARAMS *FspInitParams, - FSP_INFO_HEADER *fsp_ptr); -void *find_saved_temp_mem(void *hob_list_ptr); -void *find_fsp_reserved_mem(void *hob_list_ptr); - -/* function in romstage.c */ -void romstage_main_continue(EFI_STATUS status, void *hob_list_ptr); - -/* functions in hob.c */ -void print_hob_mem_attributes(void *Hobptr); -void print_hob_type_structure(u16 Hobtype, void *Hoblistptr); -void print_hob_resource_attributes(void *Hobptr); -void print_guid_type_attributes(void *Hobptr); -const char *get_hob_type_string(void *Hobptr); -void *find_hob_by_guid(void *Hoblistptr, EFI_GUID *guid1); -uint8_t guids_are_equal(EFI_GUID *guid1, EFI_GUID *guid2); -void printguid(EFI_GUID *guid); - -/* Additional HOB types not included in the FSP: - * #define EFI_HOB_TYPE_HANDOFF 0x0001 - * #define EFI_HOB_TYPE_MEMORY_ALLOCATION 0x0002 - * #define EFI_HOB_TYPE_RESOURCE_DESCRIPTOR 0x0003 - * #define EFI_HOB_TYPE_GUID_EXTENSION 0x0004 - * #define EFI_HOB_TYPE_FV 0x0005 - * #define EFI_HOB_TYPE_CPU 0x0006 - * #define EFI_HOB_TYPE_MEMORY_POOL 0x0007 - * #define EFI_HOB_TYPE_CV 0x0008 - * #define EFI_HOB_TYPE_UNUSED 0xFFFE - * #define EFI_HOB_TYPE_END_OF_HOB_LIST 0xffff - */ -#define EFI_HOB_TYPE_HANDOFF 0x0001 -#define EFI_HOB_TYPE_MEMORY_POOL 0x0007 - -#define MRC_DATA_ALIGN 0x1000 -#define MRC_DATA_SIGNATURE (('M'<<0)|('R'<<8)|('C'<<16)|('D'<<24)) - -struct mrc_data_container { - u32 mrc_signature; // "MRCD" - u32 mrc_data_size; // Actual total size of this structure - u32 mrc_checksum; // IP style checksum - u32 reserved; // For header alignment - u8 mrc_data[0]; // Variable size, platform/run time dependent. -} __packed; - -struct mrc_data_container *find_current_mrc_cache(void); - -void update_mrc_cache(void *unused); - -/* The offset in bytes from the start of the info structure */ -#define FSP_IMAGE_SIG_LOC 0 -#define FSP_IMAGE_ID_LOC 16 -#define FSP_IMAGE_BASE_LOC 28 - -#define FSP_SIG 0x48505346 /* 'FSPH' */ - -#define ERROR_NO_FV_SIG 1 -#define ERROR_NO_FFS_GUID 2 -#define ERROR_NO_INFO_HEADER 3 -#define ERROR_IMAGEBASE_MISMATCH 4 -#define ERROR_INFO_HEAD_SIG_MISMATCH 5 -#define ERROR_FSP_SIG_MISMATCH 6 - -extern void *FspHobListPtr; - -#define UPD_DEFAULT_CHECK(member) \ - if (config->member != UPD_DEFAULT) { \ - UpdData->member = config->member - 1; \ - } \ - printk(FSP_INFO_LEVEL, #member ":\t\t0x%02x %s\n", UpdData->member, \ - config->member ? "(set)" : "(default)"); - -#define UPD_SPD_CHECK(member) \ - if (config->member == UPD_SPD_ADDR_DISABLED) { \ - UpdData->member = 0x00; \ - } else if (config->member != UPD_SPD_ADDR_DEFAULT) { \ - UpdData->member = config->member; \ - } \ - printk(FSP_INFO_LEVEL, #member ":\t\t0x%02x %s\n", UpdData->member, \ - config->member ? "(set)" : "(default)"); - -#define UPD_DEVICE_CHECK(devicename, member, statement) \ - case devicename: \ - UpdData->member = dev->enabled; \ - printk(FSP_INFO_LEVEL, statement "%s\n", \ - UpdData->member?"Enabled":"Disabled"); \ - break; - - -#ifndef FSP_BOOTLOADER_TEMPORARY_MEMORY_HOB_GUID -#define FSP_BOOTLOADER_TEMPORARY_MEMORY_HOB_GUID \ - { 0xbbcff46c, 0xc8d3, 0x4113, { 0x89, 0x85, 0xb9, 0xd4, 0xf3, 0xb3, 0xf6, 0x4e } }; -#endif - -#endif /* FSP_UTIL_H */ diff --git a/src/drivers/intel/fsp1_0/fsp_values.h b/src/drivers/intel/fsp1_0/fsp_values.h deleted file mode 100644 index a16a887760..0000000000 --- a/src/drivers/intel/fsp1_0/fsp_values.h +++ /dev/null @@ -1,35 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * 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; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#ifndef FSP_VALUES_H -#define FSP_VALUES_H - -#ifndef FSP_DEBUG_LEVEL -# define FSP_DEBUG_LEVEL BIOS_SPEW -#endif - -#ifndef FSP_INFO_LEVEL -# define FSP_INFO_LEVEL BIOS_DEBUG -#endif - -#define INCREMENT_FOR_DEFAULT(x) (x+1) - -#define UPD_DEFAULT 0x00 -#define UPD_DISABLE INCREMENT_FOR_DEFAULT(0) -#define UPD_ENABLE INCREMENT_FOR_DEFAULT(1) -#define UPD_USE_DEVICETREE 0xff - -#define UPD_SPD_ADDR_DEFAULT UPD_DEFAULT -#define UPD_SPD_ADDR_DISABLED 0xFF - -#endif diff --git a/src/drivers/intel/fsp1_0/hob.c b/src/drivers/intel/fsp1_0/hob.c deleted file mode 100644 index 9b4c0a44f7..0000000000 --- a/src/drivers/intel/fsp1_0/hob.c +++ /dev/null @@ -1,261 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * 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; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <types.h> -#include <console/console.h> -#include "fsp_util.h" - - -/** Displays a GUID's address and value - * - * @param guid pointer to the GUID to display - */ -void printguid(EFI_GUID *guid) -{ - printk(BIOS_SPEW,"Address: %p Guid: %08lx-%04x-%04x-", - guid, (unsigned long)guid->Data1, - guid->Data2, guid->Data3); - printk(BIOS_SPEW,"%02x%02x%02x%02x%02x%02x%02x%02x\n", - guid->Data4[0], guid->Data4[1], - guid->Data4[2], guid->Data4[3], - guid->Data4[4], guid->Data4[5], - guid->Data4[6], guid->Data4[7]); -} - -void print_hob_mem_attributes(void *Hobptr) -{ - EFI_HOB_MEMORY_ALLOCATION *HobMemoryPtr = (EFI_HOB_MEMORY_ALLOCATION *)Hobptr; - EFI_MEMORY_TYPE Hobmemtype = HobMemoryPtr->AllocDescriptor.MemoryType; - u64 Hobmemaddr = HobMemoryPtr->AllocDescriptor.MemoryBaseAddress; - u64 Hobmemlength = HobMemoryPtr->AllocDescriptor.MemoryLength; - const char *Hobmemtypenames[15]; - - Hobmemtypenames[0] = "EfiReservedMemoryType"; - Hobmemtypenames[1] = "EfiLoaderCode"; - Hobmemtypenames[2] = "EfiLoaderData"; - Hobmemtypenames[3] = "EfiBootServicesCode"; - Hobmemtypenames[4] = "EfiBootServicesData"; - Hobmemtypenames[5] = "EfiRuntimeServicesCode"; - Hobmemtypenames[6] = "EfiRuntimeServicesData"; - Hobmemtypenames[7] = "EfiConventionalMemory"; - Hobmemtypenames[8] = "EfiUnusableMemory"; - Hobmemtypenames[9] = "EfiACPIReclaimMemory"; - Hobmemtypenames[10] = "EfiACPIMemoryNVS"; - Hobmemtypenames[11] = "EfiMemoryMappedIO"; - Hobmemtypenames[12] = "EfiMemoryMappedIOPortSpace"; - Hobmemtypenames[13] = "EfiPalCode"; - Hobmemtypenames[14] = "EfiMaxMemoryType"; - - printk(BIOS_SPEW, " Memory type %s (0x%x)\n", - Hobmemtypenames[(u32)Hobmemtype], (u32) Hobmemtype); - printk(BIOS_SPEW, " at location 0x%0lx with length 0x%0lx\n", - (unsigned long)Hobmemaddr, (unsigned long)Hobmemlength); -} - -void print_hob_resource_attributes(void *Hobptr) -{ - EFI_HOB_RESOURCE_DESCRIPTOR *HobResourcePtr = - (EFI_HOB_RESOURCE_DESCRIPTOR *)Hobptr; - u32 Hobrestype = HobResourcePtr->ResourceType; - u32 Hobresattr = HobResourcePtr->ResourceAttribute; - u64 Hobresaddr = HobResourcePtr->PhysicalStart; - u64 Hobreslength = HobResourcePtr->ResourceLength; - const char *Hobrestypestr = NULL; - - // HOB Resource Types - switch (Hobrestype) { - case EFI_RESOURCE_SYSTEM_MEMORY: - Hobrestypestr = "EFI_RESOURCE_SYSTEM_MEMORY"; break; - case EFI_RESOURCE_MEMORY_MAPPED_IO: - Hobrestypestr = "EFI_RESOURCE_MEMORY_MAPPED_IO"; break; - case EFI_RESOURCE_IO: - Hobrestypestr = "EFI_RESOURCE_IO"; break; - case EFI_RESOURCE_FIRMWARE_DEVICE: - Hobrestypestr = "EFI_RESOURCE_FIRMWARE_DEVICE"; break; - case EFI_RESOURCE_MEMORY_MAPPED_IO_PORT: - Hobrestypestr = "EFI_RESOURCE_MEMORY_MAPPED_IO_PORT"; break; - case EFI_RESOURCE_MEMORY_RESERVED: - Hobrestypestr = "EFI_RESOURCE_MEMORY_RESERVED"; break; - case EFI_RESOURCE_IO_RESERVED: - Hobrestypestr = "EFI_RESOURCE_IO_RESERVED"; break; - case EFI_RESOURCE_MAX_MEMORY_TYPE: - Hobrestypestr = "EFI_RESOURCE_MAX_MEMORY_TYPE"; break; - default: - Hobrestypestr = "EFI_RESOURCE_UNKNOWN"; break; - } - - printk(BIOS_SPEW, " Resource %s (0x%0x) has attributes 0x%0x\n", - Hobrestypestr, Hobrestype, Hobresattr); - printk(BIOS_SPEW, " at location 0x%0lx with length 0x%0lx\n", - (unsigned long)Hobresaddr, (unsigned long)Hobreslength); -} - -const char *get_hob_type_string(void *Hobptr) -{ - EFI_HOB_GENERIC_HEADER *HobHeaderPtr = (EFI_HOB_GENERIC_HEADER *)Hobptr; - u16 Hobtype = HobHeaderPtr->HobType; - const char *Hobtypestring = NULL; - - switch (Hobtype) { - case EFI_HOB_TYPE_HANDOFF: - Hobtypestring = "EFI_HOB_TYPE_HANDOFF"; break; - case EFI_HOB_TYPE_MEMORY_ALLOCATION: - Hobtypestring = "EFI_HOB_TYPE_MEMORY_ALLOCATION"; break; - case EFI_HOB_TYPE_RESOURCE_DESCRIPTOR: - Hobtypestring = "EFI_HOB_TYPE_RESOURCE_DESCRIPTOR"; break; - case EFI_HOB_TYPE_GUID_EXTENSION: - Hobtypestring = "EFI_HOB_TYPE_GUID_EXTENSION"; break; - case EFI_HOB_TYPE_MEMORY_POOL: - Hobtypestring = "EFI_HOB_TYPE_MEMORY_POOL"; break; - case EFI_HOB_TYPE_UNUSED: - Hobtypestring = "EFI_HOB_TYPE_UNUSED"; break; - case EFI_HOB_TYPE_END_OF_HOB_LIST: - Hobtypestring = "EFI_HOB_TYPE_END_OF_HOB_LIST"; break; - default: - Hobtypestring = "EFI_HOB_TYPE_UNRECOGNIZED"; break; - } - - return Hobtypestring; -} - -/** Displays the length, location, and GUID value of a GUID extension - * - * The EFI_HOB_GUID_TYPE is very basic - it just contains the standard - * HOB header containing the HOB type and length, and a GUID for - * identification. The rest of the data is undefined and must be known - * based on the GUID. - * - * This displays the entire HOB length, and the location of the start - * of the HOB, *NOT* the length of or the start of the data inside the HOB. - * - * @param Hobptr - */ -void print_guid_type_attributes(void *Hobptr) -{ - printk(BIOS_SPEW, " at location %p with length0x%0lx\n ", - Hobptr, (unsigned long)(((EFI_PEI_HOB_POINTERS *) \ - Hobptr)->Guid->Header.HobLength)); - printguid(&(((EFI_HOB_GUID_TYPE *)Hobptr)->Name)); - -} - -/* Print out a structure of all the HOBs - * that match a certain type: - * Print all types (0x0000) - * EFI_HOB_TYPE_HANDOFF (0x0001) - * EFI_HOB_TYPE_MEMORY_ALLOCATION (0x0002) - * EFI_HOB_TYPE_RESOURCE_DESCRIPTOR (0x0003) - * EFI_HOB_TYPE_GUID_EXTENSION (0x0004) - * EFI_HOB_TYPE_MEMORY_POOL (0x0007) - * EFI_HOB_TYPE_UNUSED (0xFFFE) - * EFI_HOB_TYPE_END_OF_HOB_LIST (0xFFFF) - */ -void print_hob_type_structure(u16 Hobtype, void *Hoblistptr) -{ - u32 *Currenthob; - u32 *Nexthob = NULL; - u8 Lasthob = 0; - u32 Currenttype; - const char *Currenttypestr; - - Currenthob = Hoblistptr; - - /* Print out HOBs of our desired type until - * the end of the HOB list - */ - printk(BIOS_DEBUG, "\n=== FSP HOB Data Structure ===\n"); - printk(BIOS_DEBUG, "FSP Hoblistptr: 0x%0x\n", - (u32) Hoblistptr); - do { - EFI_HOB_GENERIC_HEADER *CurrentHeaderPtr = - (EFI_HOB_GENERIC_HEADER *)Currenthob; - Currenttype = CurrentHeaderPtr->HobType; /* Get the type of this HOB */ - Currenttypestr = get_hob_type_string(Currenthob); - - if (Currenttype == Hobtype || Hobtype == 0x0000) { - printk(BIOS_DEBUG, "HOB 0x%0x is an %s (type 0x%0x)\n", - (u32) Currenthob, Currenttypestr, Currenttype); - switch (Currenttype) { - case EFI_HOB_TYPE_MEMORY_ALLOCATION: - print_hob_mem_attributes(Currenthob); break; - case EFI_HOB_TYPE_RESOURCE_DESCRIPTOR: - print_hob_resource_attributes(Currenthob); break; - case EFI_HOB_TYPE_GUID_EXTENSION: - print_guid_type_attributes(Currenthob); break; - } - } - - Lasthob = END_OF_HOB_LIST(Currenthob); /* Check for end of HOB list */ - if (!Lasthob) { - Nexthob = GET_NEXT_HOB(Currenthob); /* Get next HOB pointer */ - Currenthob = Nexthob; // Start on next HOB - } - } while (!Lasthob); - printk(BIOS_DEBUG, "=== End of FSP HOB Data Structure ===\n\n"); -} - - -/** Finds a HOB entry based on type and guid - * - * @param current_hob pointer to the start of the HOB list - * @param guid the GUID of the HOB entry to find - * @return pointer to the start of the requested HOB or NULL if not found. - */ -void *find_hob_by_guid(void *current_hob, EFI_GUID *guid) -{ - do { - switch (((EFI_HOB_GENERIC_HEADER *)current_hob)->HobType) { - - case EFI_HOB_TYPE_MEMORY_ALLOCATION: - if (guids_are_equal(guid, &(((EFI_HOB_MEMORY_ALLOCATION *) \ - current_hob)->AllocDescriptor.Name))) - return current_hob; - break; - case EFI_HOB_TYPE_RESOURCE_DESCRIPTOR: - if (guids_are_equal(guid, - &(((EFI_HOB_RESOURCE_DESCRIPTOR *) \ - current_hob)->Owner))) - return current_hob; - break; - case EFI_HOB_TYPE_GUID_EXTENSION: - if (guids_are_equal(guid, &(((EFI_HOB_GUID_TYPE *) \ - current_hob)->Name))) - return current_hob; - break; - } - - if (!END_OF_HOB_LIST(current_hob)) - current_hob = GET_NEXT_HOB(current_hob); /* Get next HOB pointer */ - } while (!END_OF_HOB_LIST(current_hob)); - - return NULL; -} - -/** Compares a pair of GUIDs to see if they are equal - * - * GUIDs are 128 bits long, so compare them as pairs of quadwords. - * - * @param guid1 pointer to the first of the GUIDs to compare - * @param guid2 pointer to the second of the GUIDs to compare - * @return 1 if the GUIDs were equal, 0 if GUIDs were not equal - */ -uint8_t guids_are_equal(EFI_GUID *guid1, EFI_GUID *guid2) -{ - uint64_t *guid_1 = (void *) guid1; - uint64_t *guid_2 = (void *) guid2; - - if ((*(guid_1) != *(guid_2)) || (*(guid_1 + 1) != *(guid_2 + 1))) - return 0; - - return 1; -} |