diff options
Diffstat (limited to 'src/drivers/intel/fsp1_1/cache_as_ram.S')
| -rw-r--r-- | src/drivers/intel/fsp1_1/cache_as_ram.S | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/src/drivers/intel/fsp1_1/cache_as_ram.S b/src/drivers/intel/fsp1_1/cache_as_ram.S index f4638d9c18..fea7acb2e2 100644 --- a/src/drivers/intel/fsp1_1/cache_as_ram.S +++ b/src/drivers/intel/fsp1_1/cache_as_ram.S @@ -239,11 +239,30 @@ fake_fsp_stack: .long CONFIG_FSP_LOC /* FSP base address */ CAR_init_params: - .long CONFIG_CPU_MICROCODE_CBFS_LOC /* Microcode Location */ - .long CONFIG_CPU_MICROCODE_CBFS_LEN /* Microcode Length */ + .long fake_microcode /* Microcode Location */ + .long fake_microcode_end - fake_microcode /* Microcode Length */ .long 0xFFFFFFFF - CONFIG_ROM_SIZE + 1 /* Firmware Location */ .long CONFIG_ROM_SIZE /* Firmware Length */ CAR_init_stack: .long CAR_init_done .long CAR_init_params + + /* coreboot updates microcode itself. FSP still needs a pointer + to something that looks like microcode, so provide it with fake + microcode. */ +fake_microcode: +fake_microcode_header_start: + .long 1 /* Header Version */ + .long 1 /* Microcode revision */ + .long 0x10232019 /* Date: Time of writing 23-10-2019 */ + .long 0x00010ff0 /* Sig: (non existing) Family: 0xf, Model: 0x1f, stepping: 0 */ + .long 0 /* Checksum: not checked by FSP, so won't care */ + .long 1 /* Loader Revision */ + .long 1 /* Processor Flags */ + .long fake_microcode_end - fake_microcode_header_end /* Data Size */ + .long fake_microcode_end - fake_microcode /* Total Size */ + .space 12 /* Reserved */ +fake_microcode_header_end: + .space 0x10 /* 16 bytes of empty data */ +fake_microcode_end: |