| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| |
| #include <cbmem.h> |
| #include <cbfs.h> |
| #include <console/console.h> |
| #include <fsp/util.h> |
| |
| asmlinkage void chipset_teardown_car_main(void) |
| { |
| FSP_INFO_HEADER *fih; |
| uint32_t status; |
| FSP_TEMP_RAM_EXIT temp_ram_exit; |
| |
| /* CBMEM_ID_VBOOT_WORKBUF is used as vboot workbuffer. |
| * Init CBMEM before loading fsp, to have buffer available */ |
| cbmem_initialize(); |
| |
| void *fsp = cbfs_map("fsp.bin", NULL); |
| if (!fsp) { |
| die("Unable to locate fsp.bin\n"); |
| } else { |
| /* This leaks a mapping which this code assumes is benign as |
| * the flash is memory mapped CPU's address space. */ |
| |
| /* FIXME: the implementation of find_fsp is utter garbage |
| as it casts error values to FSP_INFO_HEADER pointers. |
| Checking for return values can only be done sanely once |
| that is fixed. */ |
| fih = find_fsp((uintptr_t)fsp); |
| } |
| |
| temp_ram_exit = (FSP_TEMP_RAM_EXIT)(fih->TempRamExitEntryOffset + |
| fih->ImageBase); |
| printk(BIOS_DEBUG, "Calling TempRamExit: %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"); |
| } |
| } |