summaryrefslogtreecommitdiff
path: root/board/gcplus/gcplus.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/gcplus/gcplus.c')
-rw-r--r--board/gcplus/gcplus.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/board/gcplus/gcplus.c b/board/gcplus/gcplus.c
new file mode 100644
index 0000000..06b6098
--- /dev/null
+++ b/board/gcplus/gcplus.c
@@ -0,0 +1,73 @@
+/*
+ * (C) Copyright 2002
+ * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
+ * Marius Groeger <mgroeger@sysgo.de>
+ *
+ * 2003-2004 (c) MontaVista Software, Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <SA-1100.h>
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Miscelaneous platform dependent initialisations
+ */
+
+int
+board_init(void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ gd->bd->bi_arch_number = 29; /* ADS GraphicsClientPlus Board */
+
+ gd->bd->bi_boot_params = 0xc000003c; /* Weird address? */
+
+ /* Most of the ADS GCPlus I/O is connected to Static nCS2.
+ * So I'm brute forcing nCS2 timiming here for worst case.
+ */
+ MSC1 &= ~0xFFFF;
+ MSC1 |= 0x8649;
+
+ /* Nothing is connected to Static nCS4 or nCS5. But I'm using
+ * nCS4 as a paranoia safe guard to force nCS2, nOE; nWE high
+ * after accessing I/O via (non-VLIO) nCS2. What can I say, I'm
+ * paranoid and lack decent tools to alleviate my fear. I sure
+ * do wish I had a logic analyzer. : (
+ */
+
+ MSC2 = 0xfff9fff9;
+
+ return 0;
+}
+
+int
+dram_init(void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+ gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
+ gd->bd->bi_dram[1].size = PHYS_SDRAM_2_SIZE;
+
+ return (0);
+}