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authorEd Swierk <eswierk@arastra.com>2008-03-16 23:36:00 +0000
committerStefan Reinauer <stepan@openbios.org>2008-03-16 23:36:00 +0000
commita9faea8977cae2c1c55b83b214aee6845de1c885 (patch)
tree3d8545f7fd12062a8177fd7f705f290b2d2c3e7f /src/northbridge/intel/i3100/memory_initialized.c
parentaaea11b749ccd481a37424c38625873c231f850d (diff)
This patch implements support for the Intel 3100 integrated
northbridge and RAM controller. Signed-off-by: Ed Swierk <eswierk@arastra.com> Acked-by: Stefan Reinauer <stepan@coresystems.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3158 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/northbridge/intel/i3100/memory_initialized.c')
-rw-r--r--src/northbridge/intel/i3100/memory_initialized.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/src/northbridge/intel/i3100/memory_initialized.c b/src/northbridge/intel/i3100/memory_initialized.c
new file mode 100644
index 0000000000..9de6cfcabf
--- /dev/null
+++ b/src/northbridge/intel/i3100/memory_initialized.c
@@ -0,0 +1,29 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2008 Arastra, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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 "i3100.h"
+#define NB_DEV PCI_DEV(0, 0, 0)
+
+static inline int memory_initialized(void)
+{
+ u32 drc;
+ drc = pci_read_config32(NB_DEV, DRC);
+ return (drc & (1<<29));
+}