/*
* Save the FSP memory HOB (mrc data) to the MRC area in CBMEM
*/
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 = get_next_guid_hob(&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(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);
#if IS_ENABLED(CONFIG_DISPLAY_FAST_BOOT_DATA)
printk(BIOS_SPEW, "Fast boot data (includes align and checksum):\n");
hexdump32(BIOS_SPEW, (void *)mrc_data->mrc_data, output_len);
#endif
return 1;
}
EFI_STATUS
testHotKey()
{
EFI_STATUS Status = 0;
EFI_HOB_GENERIC_HEADER *Hob;
UINT16 HobType;
UINT16 HobLength;
for(Hob = GetHobList();!END_OF_HOB_LIST(Hob);Hob = GET_NEXT_HOB(Hob)) {
HobType = GET_HOB_TYPE (Hob);
HobLength = GET_HOB_LENGTH (Hob);
Print((CONST CHAR16*)L"Hob %x %x\n", HobType, HobLength);
}
return Status;
}
/* Returns the next instance of a HOB type from the starting HOB. */
void *get_next_hob(uint16_t type, const void *hob_start)
{
EFI_PEI_HOB_POINTERS hob;
if (!hob_start)
return NULL;
hob.Raw = (UINT8 *)hob_start;
/* Parse the HOB list until end of list or matching type is found. */
while (!END_OF_HOB_LIST(hob.Raw)) {
if (hob.Header->HobType == type)
return hob.Raw;
if (GET_HOB_LENGTH(hob.Raw) < sizeof(*hob.Header))
break;
hob.Raw = GET_NEXT_HOB(hob.Raw);
}
return NULL;
}
static void save_mma_results_data(void *unused)
{
void *mma_results_hob;
u32 mma_hob_size;
u32 *mma_hob_data;
struct mma_data_container *mma_data;
int cbmem_size;
const EFI_GUID mma_results_guid = FSP_MMA_RESULTS_GUID;
printk(BIOS_DEBUG, "Entry save_mma_results_data MMA save data.\n");
mma_results_hob = get_first_guid_hob(&mma_results_guid);
if (mma_results_hob == NULL) {
printk(BIOS_DEBUG,
"MMA results data Hob not present\n");
return;
}
mma_hob_data = GET_GUID_HOB_DATA(mma_results_hob);
mma_hob_size = GET_HOB_LENGTH(mma_results_hob);
cbmem_size = ALIGN(mma_hob_size, 16) +
sizeof(struct mma_data_container);
mma_data = cbmem_add(CBMEM_ID_MMA_DATA, cbmem_size);
if (mma_data == NULL) {
printk(BIOS_DEBUG,
"CBMEM was not available to save the MMA data.\n");
return;
}
/*clear the mma_data before coping the actual data */
memset(mma_data, 0, cbmem_size);
printk(BIOS_DEBUG,
"Copy MMA DATA to HOB(src addr %p, dest addr %p, %u bytes)\n",
mma_hob_data, mma_data, mma_hob_size);
mma_data->mma_signature = MMA_DATA_SIGNATURE;
memcpy(mma_data->mma_data, mma_hob_data, mma_hob_size);
printk(BIOS_DEBUG, "write MMA results data to cbmem success\n");
}
EFIAPI
get_next_hob(
UINT16 type,
CONST VOID *hob_start
)
{
EFI_PEI_HOB_POINTERS hob;
ASSERT(hob_start != NULL);
hob.Raw = (UINT8 *)hob_start;
/* Parse the HOB list until end of list or matching type is found. */
while (!END_OF_HOB_LIST(hob.Raw)) {
if (hob.Header->HobType == type)
return hob.Raw;
if (GET_HOB_LENGTH(hob.Raw) < sizeof(*hob.Header))
break;
hob.Raw = GET_NEXT_HOB(hob.Raw);
}
return NULL;
}
void raminit(struct romstage_params *params)
{
const EFI_GUID bootldr_tolum_guid = FSP_BOOTLOADER_TOLUM_HOB_GUID;
EFI_HOB_RESOURCE_DESCRIPTOR *cbmem_root;
FSP_INFO_HEADER *fsp_header;
EFI_HOB_RESOURCE_DESCRIPTOR *fsp_memory;
FSP_MEMORY_INIT fsp_memory_init;
FSP_MEMORY_INIT_PARAMS fsp_memory_init_params;
const EFI_GUID fsp_reserved_guid =
FSP_RESERVED_MEMORY_RESOURCE_HOB_GUID;
void *fsp_reserved_memory_area;
FSP_INIT_RT_COMMON_BUFFER fsp_rt_common_buffer;
void *hob_list_ptr;
FSP_SMBIOS_MEMORY_INFO *memory_info_hob;
const EFI_GUID memory_info_hob_guid = FSP_SMBIOS_MEMORY_INFO_GUID;
MEMORY_INIT_UPD memory_init_params;
const EFI_GUID mrc_guid = FSP_NON_VOLATILE_STORAGE_HOB_GUID;
u32 *mrc_hob;
u32 fsp_reserved_bytes;
MEMORY_INIT_UPD *original_params;
struct pei_data *pei_ptr;
EFI_STATUS status;
VPD_DATA_REGION *vpd_ptr;
UPD_DATA_REGION *upd_ptr;
int fsp_verification_failure = 0;
#if IS_ENABLED(CONFIG_DISPLAY_HOBS)
unsigned long int data;
EFI_PEI_HOB_POINTERS hob_ptr;
#endif
/*
* Find and copy the UPD region to the stack so the platform can modify
* the settings if needed. Modifications to the UPD buffer are done in
* the platform callback code. The platform callback code is also
* responsible for assigning the UpdDataRngPtr to this buffer if any
* updates are made. The default state is to leave the UpdDataRngPtr
* set to NULL. This indicates that the FSP code will use the UPD
* region in the FSP binary.
*/
post_code(0x34);
fsp_header = params->chipset_context;
vpd_ptr = (VPD_DATA_REGION *)(fsp_header->CfgRegionOffset +
fsp_header->ImageBase);
printk(BIOS_DEBUG, "VPD Data: 0x%p\n", vpd_ptr);
upd_ptr = (UPD_DATA_REGION *)(vpd_ptr->PcdUpdRegionOffset +
fsp_header->ImageBase);
printk(BIOS_DEBUG, "UPD Data: 0x%p\n", upd_ptr);
original_params = (void *)((u8 *)upd_ptr +
upd_ptr->MemoryInitUpdOffset);
memcpy(&memory_init_params, original_params,
sizeof(memory_init_params));
/* Zero fill RT Buffer data and start populating fields. */
memset(&fsp_rt_common_buffer, 0, sizeof(fsp_rt_common_buffer));
pei_ptr = params->pei_data;
if (pei_ptr->boot_mode == SLEEP_STATE_S3) {
fsp_rt_common_buffer.BootMode = BOOT_ON_S3_RESUME;
} else if (pei_ptr->saved_data != NULL) {
fsp_rt_common_buffer.BootMode =
BOOT_ASSUMING_NO_CONFIGURATION_CHANGES;
} else {
fsp_rt_common_buffer.BootMode = BOOT_WITH_FULL_CONFIGURATION;
}
fsp_rt_common_buffer.UpdDataRgnPtr = &memory_init_params;
fsp_rt_common_buffer.BootLoaderTolumSize = cbmem_overhead_size();
/* Get any board specific changes */
fsp_memory_init_params.NvsBufferPtr = (void *)pei_ptr->saved_data;
fsp_memory_init_params.RtBufferPtr = &fsp_rt_common_buffer;
fsp_memory_init_params.HobListPtr = &hob_list_ptr;
/* Update the UPD data */
soc_memory_init_params(params, &memory_init_params);
mainboard_memory_init_params(params, &memory_init_params);
if (IS_ENABLED(CONFIG_MMA))
setup_mma(&memory_init_params);
post_code(0x36);
/* Display the UPD data */
if (IS_ENABLED(CONFIG_DISPLAY_UPD_DATA))
soc_display_memory_init_params(original_params,
&memory_init_params);
/* Call FspMemoryInit to initialize RAM */
fsp_memory_init = (FSP_MEMORY_INIT)(fsp_header->ImageBase
+ fsp_header->FspMemoryInitEntryOffset);
printk(BIOS_DEBUG, "Calling FspMemoryInit: 0x%p\n", fsp_memory_init);
printk(BIOS_SPEW, " 0x%p: NvsBufferPtr\n",
fsp_memory_init_params.NvsBufferPtr);
printk(BIOS_SPEW, " 0x%p: RtBufferPtr\n",
fsp_memory_init_params.RtBufferPtr);
printk(BIOS_SPEW, " 0x%p: HobListPtr\n",
fsp_memory_init_params.HobListPtr);
timestamp_add_now(TS_FSP_MEMORY_INIT_START);
post_code(POST_FSP_MEMORY_INIT);
status = fsp_memory_init(&fsp_memory_init_params);
post_code(0x37);
timestamp_add_now(TS_FSP_MEMORY_INIT_END);
printk(BIOS_DEBUG, "FspMemoryInit returned 0x%08x\n", status);
if (status != EFI_SUCCESS)
die("ERROR - FspMemoryInit failed to initialize memory!\n");
/* Locate the FSP reserved memory area */
fsp_reserved_bytes = 0;
fsp_memory = get_next_resource_hob(&fsp_reserved_guid, hob_list_ptr);
if (fsp_memory == NULL) {
fsp_verification_failure = 1;
printk(BIOS_DEBUG,
"7.2: FSP_RESERVED_MEMORY_RESOURCE_HOB missing!\n");
} else {
fsp_reserved_bytes = fsp_memory->ResourceLength;
printk(BIOS_DEBUG, "Reserving 0x%016lx bytes for FSP\n",
(unsigned long int)fsp_reserved_bytes);
}
/* Display SMM area */
#if IS_ENABLED(CONFIG_HAVE_SMI_HANDLER)
char *smm_base;
size_t smm_size;
smm_region((void **)&smm_base, &smm_size);
printk(BIOS_DEBUG, "0x%08x: smm_size\n", (unsigned int)smm_size);
printk(BIOS_DEBUG, "0x%p: smm_base\n", smm_base);
#endif
/* Migrate CAR data */
printk(BIOS_DEBUG, "0x%p: cbmem_top\n", cbmem_top());
if (pei_ptr->boot_mode != SLEEP_STATE_S3) {
cbmem_initialize_empty_id_size(CBMEM_ID_FSP_RESERVED_MEMORY,
fsp_reserved_bytes);
} else if (cbmem_initialize_id_size(CBMEM_ID_FSP_RESERVED_MEMORY,
fsp_reserved_bytes)) {
#if IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)
printk(BIOS_DEBUG, "Failed to recover CBMEM in S3 resume.\n");
/* Failed S3 resume, reset to come up cleanly */
hard_reset();
#endif
}
/* Save the FSP runtime parameters. */
fsp_set_runtime(fsp_header, hob_list_ptr);
/* Lookup the FSP_BOOTLOADER_TOLUM_HOB */
cbmem_root = get_next_resource_hob(&bootldr_tolum_guid, hob_list_ptr);
if (cbmem_root == NULL) {
fsp_verification_failure = 1;
printk(BIOS_ERR, "7.4: FSP_BOOTLOADER_TOLUM_HOB missing!\n");
printk(BIOS_ERR, "BootLoaderTolumSize: 0x%08x bytes\n",
fsp_rt_common_buffer.BootLoaderTolumSize);
}
/* Locate the FSP_SMBIOS_MEMORY_INFO HOB */
memory_info_hob = get_next_guid_hob(&memory_info_hob_guid,
hob_list_ptr);
if (NULL == memory_info_hob) {
printk(BIOS_ERR, "FSP_SMBIOS_MEMORY_INFO HOB missing!\n");
fsp_verification_failure = 1;
} else {
printk(BIOS_DEBUG,
"FSP_SMBIOS_MEMORY_INFO HOB: 0x%p\n",
memory_info_hob);
}
#if IS_ENABLED(CONFIG_DISPLAY_HOBS)
if (hob_list_ptr == NULL)
die("ERROR - HOB pointer is NULL!\n");
/*
* Verify that FSP is generating the required HOBs:
* 7.1: FSP_BOOTLOADER_TEMP_MEMORY_HOB only produced for FSP 1.0
* 7.2: FSP_RESERVED_MEMORY_RESOURCE_HOB verified above
* 7.3: FSP_NON_VOLATILE_STORAGE_HOB verified below
* 7.4: FSP_BOOTLOADER_TOLUM_HOB verified above
* 7.5: EFI_PEI_GRAPHICS_INFO_HOB produced by SiliconInit
* FSP_SMBIOS_MEMORY_INFO HOB verified above
*/
if (NULL != cbmem_root) {
printk(BIOS_DEBUG,
"7.4: FSP_BOOTLOADER_TOLUM_HOB: 0x%p\n",
cbmem_root);
data = cbmem_root->PhysicalStart;
printk(BIOS_DEBUG, " 0x%016lx: PhysicalStart\n", data);
data = cbmem_root->ResourceLength;
printk(BIOS_DEBUG, " 0x%016lx: ResourceLength\n", data);
}
hob_ptr.Raw = get_next_guid_hob(&mrc_guid, hob_list_ptr);
if (NULL == hob_ptr.Raw) {
printk(BIOS_ERR, "7.3: FSP_NON_VOLATILE_STORAGE_HOB missing!\n");
fsp_verification_failure =
(params->pei_data->saved_data == NULL) ? 1 : 0;
} else {
printk(BIOS_DEBUG,
"7.3: FSP_NON_VOLATILE_STORAGE_HOB: 0x%p\n",
hob_ptr.Raw);
}
if (fsp_memory != NULL) {
printk(BIOS_DEBUG,
"7.2: FSP_RESERVED_MEMORY_RESOURCE_HOB: 0x%p\n",
fsp_memory);
data = fsp_memory->PhysicalStart;
printk(BIOS_DEBUG, " 0x%016lx: PhysicalStart\n", data);
data = fsp_memory->ResourceLength;
printk(BIOS_DEBUG, " 0x%016lx: ResourceLength\n", data);
}
/* Verify all the HOBs are present */
if (fsp_verification_failure)
printk(BIOS_DEBUG,
"ERROR - Missing one or more required FSP HOBs!\n");
/* Display the HOBs */
print_hob_type_structure(0, hob_list_ptr);
#endif
/* Get the address of the CBMEM region for the FSP reserved memory */
fsp_reserved_memory_area = cbmem_find(CBMEM_ID_FSP_RESERVED_MEMORY);
printk(BIOS_DEBUG, "0x%p: fsp_reserved_memory_area\n",
fsp_reserved_memory_area);
/* Verify the order of CBMEM root and FSP memory */
if ((fsp_memory != NULL) && (cbmem_root != NULL) &&
(cbmem_root->PhysicalStart <= fsp_memory->PhysicalStart)) {
fsp_verification_failure = 1;
printk(BIOS_DEBUG,
"ERROR - FSP reserved memory above CBMEM root!\n");
}
/* Verify that the FSP memory was properly reserved */
if ((fsp_memory != NULL) && ((fsp_reserved_memory_area == NULL) ||
(fsp_memory->PhysicalStart !=
(unsigned int)fsp_reserved_memory_area))) {
fsp_verification_failure = 1;
printk(BIOS_DEBUG, "ERROR - Reserving FSP memory area!\n");
#if IS_ENABLED(CONFIG_HAVE_SMI_HANDLER)
if (cbmem_root != NULL) {
size_t delta_bytes = (unsigned int)smm_base
- cbmem_root->PhysicalStart
- cbmem_root->ResourceLength;
printk(BIOS_DEBUG,
"0x%08x: Chipset reserved bytes reported by FSP\n",
(unsigned int)delta_bytes);
die("Please verify the chipset reserved size\n");
}
#endif
}
/* Verify the FSP 1.1 HOB interface */
if (fsp_verification_failure)
die("ERROR - Coreboot's requirements not met by FSP binary!\n");
/* Display the memory configuration */
report_memory_config();
/* Locate the memory configuration data to speed up the next reboot */
mrc_hob = get_next_guid_hob(&mrc_guid, hob_list_ptr);
if (mrc_hob == NULL)
printk(BIOS_DEBUG,
"Memory Configuration Data Hob not present\n");
else {
pei_ptr->data_to_save = GET_GUID_HOB_DATA(mrc_hob);
pei_ptr->data_to_save_size = ALIGN(
((u32)GET_HOB_LENGTH(mrc_hob)), 16);
}
}
