void fsps_load(bool s3wake)
{
struct fsp_header *hdr = &fsps_hdr;
struct cbfsf file_desc;
struct region_device rdev;
const char *name = CONFIG_FSP_S_CBFS;
void *dest;
size_t size;
struct prog fsps = PROG_INIT(PROG_REFCODE, name);
static int load_done;
if (load_done)
return;
if (s3wake && !IS_ENABLED(CONFIG_NO_STAGE_CACHE)) {
printk(BIOS_DEBUG, "Loading FSPS from stage_cache\n");
stage_cache_load_stage(STAGE_REFCODE, &fsps);
if (fsp_validate_component(hdr, prog_rdev(&fsps)) != CB_SUCCESS)
die("On resume fsps header is invalid\n");
load_done = 1;
return;
}
if (cbfs_boot_locate(&file_desc, name, NULL)) {
printk(BIOS_ERR, "Could not locate %s in CBFS\n", name);
die("FSPS not available!\n");
}
cbfs_file_data(&rdev, &file_desc);
/* Load and relocate into CBMEM. */
size = region_device_sz(&rdev);
dest = cbmem_add(CBMEM_ID_REFCODE, size);
if (dest == NULL)
die("Could not add FSPS to CBMEM!\n");
if (rdev_readat(&rdev, dest, 0, size) < 0)
die("Failed to read FSPS!\n");
if (fsp_component_relocate((uintptr_t)dest, dest, size) < 0)
die("Unable to relocate FSPS!\n");
/* Create new region device in memory after relocation. */
rdev_chain(&rdev, &addrspace_32bit.rdev, (uintptr_t)dest, size);
if (fsp_validate_component(hdr, &rdev) != CB_SUCCESS)
die("Invalid FSPS header!\n");
prog_set_area(&fsps, dest, size);
stage_cache_add(STAGE_REFCODE, &fsps);
/* Signal that FSP component has been loaded. */
prog_segment_loaded(hdr->image_base, hdr->image_size, SEG_FINAL);
load_done = 1;
}
void fsp_temp_ram_exit(void)
{
struct fsp_header hdr;
uint32_t status;
temp_ram_exit_fn temp_ram_exit;
struct cbfsf file_desc;
struct region_device file_data;
const char *name = CONFIG_FSP_M_CBFS;
if (cbfs_boot_locate(&file_desc, name, NULL)) {
printk(BIOS_CRIT, "Could not locate %s in CBFS\n", name);
die("FSPM not available for CAR Exit!\n");
}
cbfs_file_data(&file_data, &file_desc);
if (fsp_validate_component(&hdr, &file_data) != CB_SUCCESS)
die("Invalid FSPM header!\n");
temp_ram_exit = (void *)(hdr.image_base + hdr.temp_ram_exit_entry);
printk(BIOS_DEBUG, "Calling TempRamExit: 0x%p\n", temp_ram_exit);
status = temp_ram_exit(NULL);
if (status != FSP_SUCCESS) {
printk(BIOS_CRIT, "TempRamExit returned 0x%08x\n", status);
die("TempRamExit returned an error!\n");
}
}
enum fsp_status fsp_silicon_init(void)
{
struct fsp_header *hdr = &fsps_hdr;
struct cbfsf file_desc;
struct region_device rdev;
const char *name = CONFIG_FSP_S_CBFS;
void *dest;
size_t size;
if (cbfs_boot_locate(&file_desc, name, NULL)) {
printk(BIOS_ERR, "Could not locate %s in CBFS\n", name);
return FSP_NOT_FOUND;
}
cbfs_file_data(&rdev, &file_desc);
/* Load and relocate into CBMEM. */
size = region_device_sz(&rdev);
dest = cbmem_add(CBMEM_ID_REFCODE, size);
if (dest == NULL) {
printk(BIOS_ERR, "Could not add FSPS to CBMEM.\n");
return FSP_NOT_FOUND;
}
if (rdev_readat(&rdev, dest, 0, size) < 0)
return FSP_NOT_FOUND;
if (fsp_component_relocate((uintptr_t)dest, dest, size) < 0) {
printk(BIOS_ERR, "Unable to relocate FSPS.\n");
return FSP_NOT_FOUND;
}
/* Create new region device in memory after relocation. */
rdev_chain(&rdev, &addrspace_32bit.rdev, (uintptr_t)dest, size);
if (fsp_validate_component(hdr, &rdev) != CB_SUCCESS)
return FSP_NOT_FOUND;
/* Signal that FSP component has been loaded. */
prog_segment_loaded(hdr->image_base, hdr->image_size, SEG_FINAL);
return do_silicon_init(hdr);
}
/* Handle the case when FSPM is running XIP. */
static enum cb_err load_fspm_xip(struct fsp_header *hdr,
const struct region_device *rdev)
{
void *base;
if (fsp_validate_component(hdr, rdev) != CB_SUCCESS)
return CB_ERR;
base = rdev_mmap_full(rdev);
if ((uintptr_t)base != hdr->image_base) {
printk(BIOS_CRIT, "FSPM XIP base does not match: %p vs %p\n",
(void *)(uintptr_t)hdr->image_base, base);
return CB_ERR;
}
/*
* Since the component is XIP it's already in the address space. Thus,
* there's no need to rdev_munmap().
*/
return CB_SUCCESS;
}
/* Load the binary into the memory specified by the info header. */
static enum cb_err load_fspm_mem(struct fsp_header *hdr,
const struct region_device *rdev,
const struct memranges *memmap)
{
uintptr_t fspm_begin;
uintptr_t fspm_end;
if (fsp_validate_component(hdr, rdev) != CB_SUCCESS)
return CB_ERR;
fspm_begin = hdr->image_base;
fspm_end = fspm_begin + hdr->image_size;
if (check_region_overlap(memmap, "FSPM", fspm_begin, fspm_end) !=
CB_SUCCESS)
return CB_ERR;
/* Load binary into memory at provided address. */
if (rdev_readat(rdev, (void *)fspm_begin, 0, fspm_end - fspm_begin) < 0)
return CB_ERR;
return CB_SUCCESS;
}
