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path: root/src/cpu/intel/model_106cx/cache_as_ram_post.c
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Diffstat (limited to 'src/cpu/intel/model_106cx/cache_as_ram_post.c')
-rw-r--r--src/cpu/intel/model_106cx/cache_as_ram_post.c123
1 files changed, 0 insertions, 123 deletions
diff --git a/src/cpu/intel/model_106cx/cache_as_ram_post.c b/src/cpu/intel/model_106cx/cache_as_ram_post.c
deleted file mode 100644
index f4ced0f845..0000000000
--- a/src/cpu/intel/model_106cx/cache_as_ram_post.c
+++ /dev/null
@@ -1,123 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright (C) 2007-2008 coresystems GmbH
- *
- * 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
- */
-
- __asm__ volatile (
-
- "movb $0x30, %al\noutb %al, $0x80\n"
-
- /* Disable Cache */
- "movl %cr0, %eax\n"
- "orl $(1 << 30), %eax\n"
- "movl %eax, %cr0\n"
-
- "movb $0x31, %al\noutb %al, $0x80\n"
-
- /* Disable MTRR */
- "movl $MTRRdefType_MSR, %ecx\n"
- "rdmsr\n"
- "andl $(~(1 << 11)), %eax\n"
- "wrmsr\n"
-
- "movb $0x32, %al\noutb %al, $0x80\n"
-
- "invd\n"
-#if 0
- "xorl %eax, %eax\n"
- "xorl %edx, %edx\n"
- "movl $MTRRphysBase_MSR(0), %ecx\n"
- "wrmsr\n"
- "movl $MTRRphysMask_MSR(0), %ecx\n"
- "wrmsr\n"
- "movl $MTRRphysBase_MSR(1), %ecx\n"
- "wrmsr\n"
- "movl $MTRRphysMask_MSR(1), %ecx\n"
- "wrmsr\n"
-#endif
-
- "movb $0x33, %al\noutb %al, $0x80\n"
-#ifdef CLEAR_FIRST_1M_RAM
- "movb $0x34, %al\noutb %al, $0x80\n"
- /* Enable Write Combining and Speculative Reads for the first 1MB */
- "movl $MTRRphysBase_MSR(0), %ecx\n"
- "movl $(0x00000000 | MTRR_TYPE_WRCOMB), %eax\n"
- "xorl %edx, %edx\n"
- "wrmsr\n"
- "movl $MTRRphysMask_MSR(0), %ecx\n"
- "movl $(~(1024*1024 -1) | (1 << 11)), %eax\n"
- "xorl %edx, %edx\n"
- "wrmsr\n"
- "movb $0x35, %al\noutb %al, $0x80\n"
-#endif
-
- /* Enable Cache */
- "movl %cr0, %eax\n"
- "andl $~( (1 << 30) | (1 << 29) ), %eax\n"
- "movl %eax, %cr0\n"
-
- "movb $0x36, %al\noutb %al, $0x80\n"
-#ifdef CLEAR_FIRST_1M_RAM
-
- /* Clear first 1MB of RAM */
- "movl $0x00000000, %edi\n"
- "cld\n"
- "xorl %eax, %eax\n"
- "movl $((1024*1024) / 4), %ecx\n"
- "rep stosl\n"
-
- "movb $0x37, %al\noutb %al, $0x80\n"
-#endif
-
- /* Disable Cache */
- "movl %cr0, %eax\n"
- "orl $(1 << 30), %eax\n"
- "movl %eax, %cr0\n"
-
- "movb $0x38, %al\noutb %al, $0x80\n"
-
- /* Enable Write Back and Speculative Reads for the first 1MB */
- "movl $MTRRphysBase_MSR(0), %ecx\n"
- "movl $(0x00000000 | MTRR_TYPE_WRBACK), %eax\n"
- "xorl %edx, %edx\n"
- "wrmsr\n"
- "movl $MTRRphysMask_MSR(0), %ecx\n"
- "movl $(~(1024*1024 -1) | (1 << 11)), %eax\n"
- "xorl %edx, %edx\n"
- "wrmsr\n"
-
- "movb $0x39, %al\noutb %al, $0x80\n"
-
- /* And Enable Cache again after setting MTRRs */
- "movl %cr0, %eax\n"
- "andl $~( (1 << 30) | (1 << 29) ), %eax\n"
- "movl %eax, %cr0\n"
-
- "movb $0x3a, %al\noutb %al, $0x80\n"
-
- /* Enable MTRR */
- "movl $MTRRdefType_MSR, %ecx\n"
- "rdmsr\n"
- "orl $(1 << 11), %eax\n"
- "wrmsr\n"
-
- "movb $0x3b, %al\noutb %al, $0x80\n"
-
- /* Invalidate the cache again */
- "invd\n"
- "movb $0x3c, %al\noutb %al, $0x80\n"
- );