int dram_init(void)
{
phys_size_t ram_size = 0;
const struct hob_header *hdr;
struct hob_res_desc *res_desc;
hdr = gd->arch.hob_list;
while (!end_of_hob(hdr)) {
if (hdr->type == HOB_TYPE_RES_DESC) {
res_desc = (struct hob_res_desc *)hdr;
if (res_desc->type == RES_SYS_MEM ||
res_desc->type == RES_MEM_RESERVED) {
ram_size += res_desc->len;
}
}
hdr = get_next_hob(hdr);
}
gd->ram_size = ram_size;
post_code(POST_DRAM);
#ifdef CONFIG_ENABLE_MRC_CACHE
gd->arch.mrc_output = fsp_get_nvs_data(gd->arch.hob_list,
&gd->arch.mrc_output_len);
#endif
return 0;
}
EFIAPI
get_first_hob(
UINT16 type
)
{
VOID *hob_list;
hob_list = get_hob_list();
return get_next_hob(type, hob_list);
}
/*
* Returns the next instance of the matching resource HOB from the starting HOB.
*/
void *get_next_resource_hob(const EFI_GUID *guid, const void *hob_start)
{
EFI_PEI_HOB_POINTERS hob;
hob.Raw = (UINT8 *)hob_start;
while ((hob.Raw = get_next_hob(EFI_HOB_TYPE_RESOURCE_DESCRIPTOR,
hob.Raw)) != NULL) {
if (compare_guid(guid, &hob.ResourceDescriptor->Owner))
break;
hob.Raw = GET_NEXT_HOB(hob.Raw);
}
return hob.Raw;
}
/* Returns the next instance of the matched GUID HOB from the starting HOB. */
void *get_next_guid_hob(const EFI_GUID * guid, const void *hob_start)
{
EFI_PEI_HOB_POINTERS hob;
hob.Raw = (uint8_t *)hob_start;
while ((hob.Raw = get_next_hob(EFI_HOB_TYPE_GUID_EXTENSION, hob.Raw))
!= NULL) {
if (compare_guid(guid, &hob.Guid->Name))
break;
hob.Raw = GET_NEXT_HOB(hob.Raw);
}
return hob.Raw;
}
static int do_hob(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
const struct hob_header *hdr;
uint type;
char *desc;
int i = 0;
hdr = gd->arch.hob_list;
printf("HOB list address: 0x%08x\n\n", (unsigned int)hdr);
printf("# | Address | Type | Len | ");
printf("%42s\n", "GUID");
printf("---|----------|-----------|------|-");
printf("------------------------------------------\n");
while (!end_of_hob(hdr)) {
printf("%02x | %08x | ", i, (unsigned int)hdr);
type = hdr->type;
if (type == HOB_TYPE_UNUSED)
desc = "*Unused*";
else if (type == HOB_TYPE_EOH)
desc = "*EOH*";
else if (type >= 0 && type <= ARRAY_SIZE(hob_type))
desc = hob_type[type];
else
desc = "*Invalid*";
printf("%-9s | %04x | ", desc, hdr->len);
if (type == HOB_TYPE_MEM_ALLOC || type == HOB_TYPE_RES_DESC ||
type == HOB_TYPE_GUID_EXT) {
struct efi_guid *guid = (struct efi_guid *)(hdr + 1);
int j;
printf("%08x-%04x-%04x", guid->data1,
guid->data2, guid->data3);
for (j = 0; j < ARRAY_SIZE(guid->data4); j++)
printf("-%02x", guid->data4[j]);
} else {
printf("%42s", "Not Available");
}
printf("\n");
hdr = get_next_hob(hdr);
i++;
}
return 0;
}
EFIAPI
get_next_guid_hob(
CONST EFI_GUID * guid,
CONST VOID *hob_start
)
{
EFI_PEI_HOB_POINTERS hob;
hob.Raw = (UINT8 *)hob_start;
while ((hob.Raw = get_next_hob(EFI_HOB_TYPE_GUID_EXTENSION, hob.Raw))
!= NULL) {
if (compare_guid(guid, &hob.Guid->Name))
break;
hob.Raw = GET_NEXT_HOB(hob.Raw);
}
return hob.Raw;
}
unsigned int install_e820_map(unsigned int max_entries,
struct e820_entry *entries)
{
unsigned int num_entries = 0;
const struct hob_header *hdr;
struct hob_res_desc *res_desc;
hdr = gd->arch.hob_list;
while (!end_of_hob(hdr)) {
if (hdr->type == HOB_TYPE_RES_DESC) {
res_desc = (struct hob_res_desc *)hdr;
entries[num_entries].addr = res_desc->phys_start;
entries[num_entries].size = res_desc->len;
if (res_desc->type == RES_SYS_MEM)
entries[num_entries].type = E820_RAM;
else if (res_desc->type == RES_MEM_RESERVED)
entries[num_entries].type = E820_RESERVED;
num_entries++;
}
hdr = get_next_hob(hdr);
}
/* Mark PCIe ECAM address range as reserved */
entries[num_entries].addr = CONFIG_PCIE_ECAM_BASE;
entries[num_entries].size = CONFIG_PCIE_ECAM_SIZE;
entries[num_entries].type = E820_RESERVED;
num_entries++;
#ifdef CONFIG_HAVE_ACPI_RESUME
/*
* Everything between U-Boot's stack and ram top needs to be
* reserved in order for ACPI S3 resume to work.
*/
entries[num_entries].addr = gd->start_addr_sp - CONFIG_STACK_SIZE;
entries[num_entries].size = gd->ram_top - gd->start_addr_sp + \
CONFIG_STACK_SIZE;
entries[num_entries].type = E820_RESERVED;
num_entries++;
#endif
return num_entries;
}
/* Returns the first instance of a HOB type among the whole HOB list. */
void *get_first_hob(uint16_t type)
{
return get_next_hob(type, get_hob_list());
}