qemu: move i440fx bits

Prepare tree for adding q35 support:
Move emulation/qemu-x86 to emulation/qemu-i440fx.
Rename some stuff to include 'i440fx'.

Change-Id: Ib8c58175c5734cfcda1b22404ef52c09d38f0462
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-on: http://review.coreboot.org/3429
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

1 files changed, 47 insertions, 0 deletions

diff --git a/src/mainboard/emulation/qemu-i440fx/memory.c b/src/mainboard/emulation/qemu-i440fx/memory.c
new file mode 100644
index 0000000000..322fc492ec
--- /dev/null
+++ b/src/mainboard/emulation/qemu-i440fx/memory.c
@@ -0,0 +1,47 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2004 Stefan Reinauer <stefan.reinauer@coreboot.org>
+ *
+ * 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 <cbmem.h>
+
+#define CMOS_ADDR_PORT 0x70
+#define CMOS_DATA_PORT 0x71
+#define HIGH_RAM_ADDR 0x35
+#define LOW_RAM_ADDR 0x34
+
+static unsigned long qemu_get_memory_size(void)
+{
+	unsigned long tomk;
+	outb (HIGH_RAM_ADDR, CMOS_ADDR_PORT);
+	tomk = ((unsigned long) inb(CMOS_DATA_PORT)) << 14;
+	outb (LOW_RAM_ADDR, CMOS_ADDR_PORT);
+	tomk |= ((unsigned long) inb(CMOS_DATA_PORT)) << 6;
+	tomk += 16 * 1024;
+	return tomk;
+}
+
+unsigned long get_top_of_ram(void);
+unsigned long get_top_of_ram(void)
+{
+	return qemu_get_memory_size() * 1024;
+}
+
+struct cbmem_entry *get_cbmem_toc(void)
+{
+	return (struct cbmem_entry *)(get_top_of_ram() - HIGH_MEMORY_SIZE);
+}