aboutsummaryrefslogtreecommitdiff
path: root/src/cpu/amd/agesa/cache_as_ram.inc
diff options
context:
space:
mode:
authorKyösti Mälkki <kyosti.malkki@gmail.com>2017-09-02 16:20:15 +0300
committerKyösti Mälkki <kyosti.malkki@gmail.com>2017-09-06 04:59:09 +0000
commit7076aa5745babc188275a837797d5f0f0b7db5d8 (patch)
tree55d4d703987aabbdf42678f5fff222f15969ab7c /src/cpu/amd/agesa/cache_as_ram.inc
parent5fb2d3074fce9404440dfb81610f66c9c95d78d3 (diff)
AGESA: Rename assembly from .inc to .S
Change-Id: I5f90df92e0ac27e98edf23784eeec5618d150430 Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/21378 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src/cpu/amd/agesa/cache_as_ram.inc')
-rw-r--r--src/cpu/amd/agesa/cache_as_ram.inc133
1 files changed, 0 insertions, 133 deletions
diff --git a/src/cpu/amd/agesa/cache_as_ram.inc b/src/cpu/amd/agesa/cache_as_ram.inc
deleted file mode 100644
index cfad2f7d1a..0000000000
--- a/src/cpu/amd/agesa/cache_as_ram.inc
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2011 Advanced Micro Devices, Inc.
- *
- * 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.
- */
-
-/******************************************************************************
- * AMD Generic Encapsulated Software Architecture
- *
- * $Workfile:: cache_as_ram.inc
- *
- * Description: cache_as_ram.inc - AGESA Module Entry Point for GCC complier
- *
- ******************************************************************************
- */
-
-#include "gcccar.inc"
-#include <cpu/x86/cache.h>
-
-.code32
-.globl cache_as_ram_setup, cache_as_ram_setup_out
-
-cache_as_ram_setup:
-
- /* Preserve BIST. */
- movd %eax, %mm0
-
- post_code(0xa0)
-
- /* enable SSE2 128bit instructions */
- /* Turn on OSFXSR [BIT9] and OSXMMEXCPT [BIT10] onto CR4 register */
-
- movl %cr4, %eax
- orl $(3 << 9), %eax
- movl %eax, %cr4
-
- post_code(0xa1)
-
- AMD_ENABLE_STACK
-
- /* Align the stack. */
- and $0xFFFFFFF0, %esp
-
-#ifdef __x86_64__
- /* switch to 64 bit long mode */
- mov %esi, %ecx
- add $0, %ecx # core number
- xor %eax, %eax
- lea (0x1000+0x23)(%ecx), %edi
- mov %edi, (%ecx)
- mov %eax, 4(%ecx)
-
- lea 0x1000(%ecx), %edi
- movl $0x000000e3, 0x00(%edi)
- movl %eax, 0x04(%edi)
- movl $0x400000e3, 0x08(%edi)
- movl %eax, 0x0c(%edi)
- movl $0x800000e3, 0x10(%edi)
- movl %eax, 0x14(%edi)
- movl $0xc00000e3, 0x18(%edi)
- movl %eax, 0x1c(%edi)
-
- # load ROM based identity mapped page tables
- mov %ecx, %eax
- mov %eax, %cr3
-
- # enable PAE
- mov %cr4, %eax
- bts $5, %eax
- mov %eax, %cr4
-
- # enable long mode
- mov $0xC0000080, %ecx
- rdmsr
- bts $8, %eax
- wrmsr
-
- # enable paging
- mov %cr0, %eax
- bts $31, %eax
- mov %eax, %cr0
-
- # use call far to switch to 64-bit code segment
- ljmp $0x18, $1f
-1:
-
-#endif
-
- call early_all_cores
-
- /* Must maintain 16-byte stack alignment here. */
- pushl $0x0
- pushl $0x0
- pushl $0x0
- movd %mm0, %eax /* bist */
- pushl %eax
- call romstage_main
- movl %eax, %esp
-
-/* Register %esp is new stacktop for remaining of romstage.
- * It is the only register preserved in AMD_DISABLE_STACK.
- */
-
-disable_cache_as_ram:
- /* Disable cache */
- movl %cr0, %eax
- orl $CR0_CacheDisable, %eax
- movl %eax, %cr0
-
- AMD_DISABLE_STACK
-
- /* enable cache */
- movl %cr0, %eax
- andl $0x9fffffff, %eax
- movl %eax, %cr0
-
- call romstage_after_car
-
- /* Should never see this postcode */
- post_code(0xaf)
-stop:
- jmp stop
-
-cache_as_ram_setup_out: