My forgotten CAR cleanup patch...

- Drop lots of dead code from the various cache_as_ram.inc files.
- Use some descriptive macros instead of magic numbers for MTRR MSRs
- drop unused duplicate descriptors from romstage GDT
- slightly reformatting code and comments

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5696 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

src/arch/i386/Makefile.inc

@@ -1,3 +1,23 @@
+##
+## This file is part of the coreboot project.
+##
+## Copyright (C) 2009-2010 coresystems GmbH
+## Copyright (C) 2009 Ronald G. Minnich
+##
+## 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
+##
+
 #######################################################################
 # Take care of subdirectories
 subdirs-y += boot

src/arch/i386/include/arch/rom_segs.h

@@ -4,7 +4,4 @@
 #define ROM_CODE_SEG 0x08
 #define ROM_DATA_SEG 0x10
 
-#define CACHE_RAM_CODE_SEG 0x18
-#define CACHE_RAM_DATA_SEG 0x20
-
 #endif /* ROM_SEGS_H */

src/arch/i386/init/entry.S

@@ -113,13 +113,6 @@ gdtptr:
 	.word	0xffff, 0x0000
 	.byte	0x00, 0x93, 0xcf, 0x00
 
-	/* selgdt 0x18, flat code segment for CAR */
-	.word	0xffff, 0x0000
-	.byte	0x00, 0x9b, 0xcf, 0x00
-
-	/* selgdt 0x20, flat data segment for CAR */
-	.word	0xffff, 0x0000
-	.byte	0x00, 0x93, 0xcf, 0x00
 gdt_end:
 
 /* Reset vector. */