diff options
Diffstat (limited to 'src/drivers/intel')
| -rw-r--r-- | src/drivers/intel/fsp1_1/cache_as_ram.inc | 47 | ||||
| -rw-r--r-- | src/drivers/intel/fsp1_1/include/fsp/util.h | 7 |
2 files changed, 27 insertions, 27 deletions
diff --git a/src/drivers/intel/fsp1_1/cache_as_ram.inc b/src/drivers/intel/fsp1_1/cache_as_ram.inc index d4df67b6ed..2349985326 100644 --- a/src/drivers/intel/fsp1_1/cache_as_ram.inc +++ b/src/drivers/intel/fsp1_1/cache_as_ram.inc @@ -115,53 +115,46 @@ CAR_init_done: /* Setup bootloader stack */ movl %edx, %esp - /* Save BIST value */ - movd %edi, %mm2 - /* * ebp: FSP_INFO_HEADER address * ecx: Temp RAM base * edx: Temp RAM top + * edi: BIST value * esp: Top of stack in temp RAM * mm0: low 32-bits of TSC value * mm1: high 32-bits of TSC value - * mm2: BIST value */ + /* Create fsp_car_context on stack. */ + pushl %edx /* bootloader CAR end */ + pushl %ecx /* bootloader CAR begin */ + pushl %ebp /* FSP_INFO_HEADER */ + /* Create cache_as_ram_params on stack */ + pushl %esp /* chipset_context -> fsp_car_context */ + pushl %edi /* bist */ + movd %mm1, %eax + pushl %eax /* tsc[63:32] */ + movd %mm0, %eax + pushl %eax /* tsc[31:0] */ + pushl %esp /* pointer to cache_as_ram_params */ + + /* Save FSP_INFO_HEADER location in ebx */ + mov %ebp, %ebx + /* Coreboot assumes stack/heap region will be zero */ cld movl %ecx, %edi neg %ecx - add %edx, %ecx + /* Only clear up to current stack value. */ + add %esp, %ecx shrl $2, %ecx xorl %eax, %eax rep stosl - /* Save FSP_INFO_HEADER location in ebx */ - mov %ebp, %ebx - - /* - * ebx: FSP_INFO_HEADER address - * esi: Temp RAM base - * esp: Top of stack in temp RAM - * mm0: low 32-bits of TSC value - * mm1: high 32-bits of TSC value - * mm2: BIST value - */ - - /* Frame for romstage_main(bist, tsc_low, tsc_hi, fih) */ - pushl %ebx - movd %mm1, %eax - pushl %eax - movd %mm0, %eax - pushl %eax - movd %mm2, %eax - pushl %eax - before_romstage: post_code(0x23) - /* Call romstage.c main function. */ + /* Call romstage_main(struct cache_as_ram_params *) */ call romstage_main /* diff --git a/src/drivers/intel/fsp1_1/include/fsp/util.h b/src/drivers/intel/fsp1_1/include/fsp/util.h index b3772a2598..0919c660d0 100644 --- a/src/drivers/intel/fsp1_1/include/fsp/util.h +++ b/src/drivers/intel/fsp1_1/include/fsp/util.h @@ -28,6 +28,13 @@ #include <program_loading.h> #include <commonlib/region.h> +/* cache-as-ram context for FSP 1.1. */ +struct fsp_car_context { + FSP_INFO_HEADER *fih; + uintptr_t bootloader_car_start; + uintptr_t bootloader_car_end; +}; + /* find_fsp() should only be called from assembly code. */ FSP_INFO_HEADER *find_fsp(uintptr_t fsp_base_address); /* Set FSP's runtime information. */ |