diff options
Diffstat (limited to 'src/drivers/intel/fsp/cache_as_ram.inc')
| -rw-r--r-- | src/drivers/intel/fsp/cache_as_ram.inc | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/src/drivers/intel/fsp/cache_as_ram.inc b/src/drivers/intel/fsp/cache_as_ram.inc deleted file mode 100644 index 8604c3b0b0..0000000000 --- a/src/drivers/intel/fsp/cache_as_ram.inc +++ /dev/null @@ -1,177 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2000,2007 Ronald G. Minnich <rminnich@gmail.com> - * Copyright (C) 2007-2008 coresystems GmbH - * Copyright (C) 2013-2014 Sage Electronic Engineering, LLC. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <cpu/x86/mtrr.h> -#include <cpu/x86/cache.h> -#include <cpu/x86/post_code.h> -#include <microcode_size.h> -#include <cbmem.h> - -#ifndef CONFIG_FSP_LOC -# error "CONFIG_FSP_LOC must be set." -#endif - -#ifndef CONFIG_POST_IO -# error "CONFIG_POST_IO must be set." -#endif - -#if CONFIG_POST_IO -# ifndef CONFIG_POST_IO_PORT -# error "CONFIG_POST_IO_PORT must be set." -# endif -#endif - -#ifndef CONFIG_CPU_MICROCODE_CBFS_LOC -# error "CONFIG_CPU_MICROCODE_CBFS_LOC must be set." -#endif - -#define LHLT_DELAY 0x50000 /* I/O delay between post codes on failure */ - - cmp $0, %eax - jne bisthalt - -cache_as_ram: - post_code(0x20) - - /* - * Find the FSP binary in cbfs. - * Make a fake stack that has the return value back to this code. - */ - lea fake_fsp_stack, %esp - jmp find_fsp -find_fsp_ret: - /* Save the FSP location */ - mov %eax, %ebp - cmp $CONFIG_FSP_LOC, %eax - jb halt1 - - post_code(0x22) - - /* Calculate entry into FSP */ - mov 0x30(%ebp), %eax /* Load TempRamInitEntry */ - add 0x1c(%ebp), %eax /* add in the offset for the FSP base address */ - - /* - * Pass early init variables on a fake stack (no memory yet) - * as well as the return location - */ - lea CAR_init_stack, %esp - - /* call FSP binary to setup temporary stack */ - jmp *%eax - -CAR_init_done: - addl $4, %esp - cmp $0, %eax - jne halt2 - - /* Save FSP_INFO_HEADER location in ebx */ - mov %ebp, %ebx - - /* - * set up bootloader stack - * ecx: stack base - * edx: stack top - */ - mov %edx, %esp - movl %esp, %ebp - - /* Clear the cbmem CAR memory region. */ - movl %ecx, %edi - movl %edx, %ecx - sub %edi, %ecx - shr $2, %ecx - xorl %eax, %eax - rep stosl - -before_romstage: - post_code(0x23) - - /* Call romstage.c main function. */ - pushl %ebx /* main takes FSP_INFO_HEADER as its argument */ - call main /* does not return */ - movb $0xB8, %ah - jmp .Lhlt - -bisthalt: - movb $0xB9, %ah - jmp .Lhlt - -halt1: - /* - * Failures for postcode 0xBA - failed in find_fsp() - * - * Values are: - * 0x01 - FV signature, "_FVH" not present - * 0x02 - FFS GUID not present - * 0x03 - FSP INFO Header not found - * 0x04 - ImageBase does not equal CONFIG_FSP_LOC - Is the FSP rebased to - * a different location, or does it need to be? - * 0x05 - FSP INFO Header signature "FSPH" not found - * 0x06 - FSP Image ID is not the expected ID. - */ - movb $0xBA, %ah - jmp .Lhlt - -halt2: - /* - * Failures for postcode 0xBB - failed in the FSP: - * - * 0x00 - FSP_SUCCESS: Temp RAM was initialized successfully. - * 0x02 - FSP_INVALID_PARAMETER: Input parameters are invalid. - * 0x0E - FSP_NOT_FOUND: No valid microcode was found in the microcode region. - * 0x03 - FSP_UNSUPPORTED: The FSP calling conditions were not met. - * 0x07 - FSP_DEVICE_ERROR: Temp RAM initialization failed - * 0x14 - FSP_ALREADY_STARTED: Temp RAM initialization has been invoked - */ - movb $0xBB, %ah - -.Lhlt: - xchg %al, %ah -#if CONFIG_POST_IO - outb %al, $CONFIG_POST_IO_PORT -#else - post_code(POST_DEAD_CODE) -#endif - movl $LHLT_DELAY, %ecx -.Lhlt_Delay: - outb %al, $0xED - loop .Lhlt_Delay - jmp .Lhlt - -/* - * esp is set to this location so that the call into and return from the FSP - * in find_fsp will work. - */ - .align 4 -fake_fsp_stack: - .long find_fsp_ret - -CAR_init_params: - .long CONFIG_CPU_MICROCODE_CBFS_LOC - .long MICROCODE_REGION_LENGTH - .long 0xFFFFFFFF - CACHE_ROM_SIZE + 1 /* Firmware Location */ - .long CACHE_ROM_SIZE /* Total Firmware Length */ - -CAR_init_stack: - .long CAR_init_done - .long CAR_init_params - |