diff options
Diffstat (limited to 'src/drivers/intel/fsp1_1/after_raminit.S')
| -rw-r--r-- | src/drivers/intel/fsp1_1/after_raminit.S | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/src/drivers/intel/fsp1_1/after_raminit.S b/src/drivers/intel/fsp1_1/after_raminit.S deleted file mode 100644 index 3f2a7ae02f..0000000000 --- a/src/drivers/intel/fsp1_1/after_raminit.S +++ /dev/null @@ -1,170 +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. - * Copyright (C) 2015 Intel Corp. - * - * 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. - */ - -#include <cpu/x86/mtrr.h> -#include <cpu/x86/cache.h> -#include <cpu/x86/post_code.h> - -/* - * This is the common entry point after DRAM has been initialized. - */ - /* - * eax: New stack address - */ - - /* Switch to the stack in RAM */ - movl %eax, %esp - -#if CONFIG(SKIP_FSP_CAR) - - /* chipset_teardown_car() is expected to disable cache-as-ram. */ - call chipset_teardown_car - -#else -.extern fih_car - - post_code(POST_FSP_TEMP_RAM_EXIT) - - /* Calculate TempRamExit entry into FSP */ - movl fih_car, %ebp - mov 0x40(%ebp), %eax - add 0x1c(%ebp), %eax - - /* Build the call frame */ - pushl $0 - - /* Call TempRamExit */ - call *%eax - add $4, %esp - cmp $0, %eax - jz 1f - /* - * Failures for post code BC - failed in TempRamExit - * - * 0x00 - FSP_SUCCESS: Temp RAM Exit completed successfully. - * 0x02 - FSP_INVALID_PARAMETER: Input parameters are invalid. - * 0x03 - FSP_UNSUPPORTED: The FSP calling conditions were not met. - * 0x07 - FSP_DEVICE_ERROR: Temp RAM Exit failed. - */ - movb $0xBC, %ah - jmp .Lhlt -1: -#endif - /* Display the MTRRs */ - call display_mtrrs - - /* - * The stack contents are initialized in src/soc/intel/common/stack.c - * to be the following: - * - * * - * * - * * - * +36: MTRR mask 1 63:32 - * +32: MTRR mask 1 31:0 - * +28: MTRR base 1 63:32 - * +24: MTRR base 1 31:0 - * +20: MTRR mask 0 63:32 - * +16: MTRR mask 0 31:0 - * +12: MTRR base 0 63:32 - * +8: MTRR base 0 31:0 - * +4: Number of MTRRs to setup (described above) - * +0: Number of variable MTRRs to clear - */ - -#if CONFIG(SOC_SETS_MSRS) - push %esp - call soc_set_mtrrs - - /* eax: new top_of_stack with setup_stack_and_mtrrs data removed */ - movl %eax, %esp -#else - /* Clear all of the variable MTRRs. */ - popl %ebx - movl $MTRR_PHYS_BASE(0), %ecx - clr %eax - clr %edx - -1: - testl %ebx, %ebx - jz 1f - wrmsr /* Write MTRR base. */ - inc %ecx - wrmsr /* Write MTRR mask. */ - inc %ecx - dec %ebx - jmp 1b - -1: - /* Get number of MTRRs. */ - popl %ebx - movl $MTRR_PHYS_BASE(0), %ecx -2: - testl %ebx, %ebx - jz 2f - - /* Low 32 bits of MTRR base. */ - popl %eax - /* Upper 32 bits of MTRR base. */ - popl %edx - /* Write MTRR base. */ - wrmsr - inc %ecx - /* Low 32 bits of MTRR mask. */ - popl %eax - /* Upper 32 bits of MTRR mask. */ - popl %edx - /* Write MTRR mask. */ - wrmsr - inc %ecx - - dec %ebx - jmp 2b -2: -#endif /* CONFIG_SOC_SETS_MSRS */ - - post_code(0x39) - - /* And enable cache again after setting MTRRs. */ - movl %cr0, %eax - andl $~(CR0_CacheDisable | CR0_NoWriteThrough), %eax - movl %eax, %cr0 - - post_code(0x3a) - -#if CONFIG(SOC_SETS_MSRS) - call soc_enable_mtrrs -#else - /* Enable MTRR. */ - movl $MTRR_DEF_TYPE_MSR, %ecx - rdmsr - orl $MTRR_DEF_TYPE_EN, %eax - wrmsr -#endif /* CONFIG_SOC_SETS_MSRS */ - - post_code(0x3b) - - /* Invalidate the cache again. */ - invd - - post_code(0x3c) - -__main: - post_code(POST_PREPARE_RAMSTAGE) - cld /* Clear direction flag. */ - call after_cache_as_ram |