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authorwdenk <wdenk>2002-08-26 21:58:50 +0000
committerwdenk <wdenk>2002-08-26 21:58:50 +0000
commit16f217049a70da97bc61eff7a95b4b6313850909 (patch)
tree4c9c0b416828b4215b10d152aac432b449a11f05 /board/esd/ocrtc
parent354bc6feac2cf549c51c2f36e2a374438af4e9c1 (diff)
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Initial revision
Diffstat (limited to 'board/esd/ocrtc')
-rw-r--r--board/esd/ocrtc/ocrtc.c127
1 files changed, 127 insertions, 0 deletions
diff --git a/board/esd/ocrtc/ocrtc.c b/board/esd/ocrtc/ocrtc.c
new file mode 100644
index 0000000..3c3d56e
--- /dev/null
+++ b/board/esd/ocrtc/ocrtc.c
@@ -0,0 +1,127 @@
+/*
+ * (C) Copyright 2001
+ * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
+ *
+ * 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 "ocrtc.h"
+#include <asm/processor.h>
+#include <i2c.h>
+#include <command.h>
+#include <cmd_boot.h>
+
+/* ------------------------------------------------------------------------- */
+
+int board_pre_init (void)
+{
+ /*
+ * IRQ 0-15 405GP internally generated; active high; level sensitive
+ * IRQ 16 405GP internally generated; active low; level sensitive
+ * IRQ 17-24 RESERVED
+ * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive
+ * IRQ 26 (EXT IRQ 1) CAN1; active low; level sensitive
+ * IRQ 27 (EXT IRQ 2) PCI SLOT 0; active low; level sensitive
+ * IRQ 28 (EXT IRQ 3) PCI SLOT 1; active low; level sensitive
+ * IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive
+ * IRQ 30 (EXT IRQ 5) PCI SLOT 3; active low; level sensitive
+ * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive
+ */
+ mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
+ mtdcr (uicer, 0x00000000); /* disable all ints */
+ mtdcr (uiccr, 0x00000000); /* set all to be non-critical */
+ mtdcr (uicpr, 0xFFFFFF81); /* set int polarities */
+ mtdcr (uictr, 0x10000000); /* set int trigger levels */
+ mtdcr (uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority */
+ mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
+
+ /*
+ * EBC Configuration Register: clear EBTC -> high-Z ebc signals between
+ * transfers, set device-paced timeout to 256 cycles
+ */
+ mtebc (epcr, 0x20400000);
+
+ return 0;
+}
+
+
+/* ------------------------------------------------------------------------- */
+
+int misc_init_f (void)
+{
+ return 0; /* dummy implementation */
+}
+
+
+/*
+ * Check Board Identity:
+ */
+
+int checkboard (void)
+{
+ unsigned char str[64];
+ int i = getenv_r ("serial#", str, sizeof (str));
+
+ puts ("Board: ");
+
+ if (i == -1) {
+#ifdef CONFIG_OCRTC
+ puts ("### No HW ID - assuming OCRTC");
+#endif
+#ifdef CONFIG_ORSG
+ puts ("### No HW ID - assuming ORSG");
+#endif
+ } else {
+ puts (str);
+ }
+
+ putc ('\n');
+
+ return (0);
+}
+
+/* ------------------------------------------------------------------------- */
+
+long int initdram (int board_type)
+{
+ unsigned long val;
+
+ mtdcr (memcfga, mem_mb0cf);
+ val = mfdcr (memcfgd);
+
+#if 0
+ printf ("\nmb0cf=%x\n", val); /* test-only */
+ printf ("strap=%x\n", mfdcr (strap)); /* test-only */
+#endif
+
+ return (4 * 1024 * 1024 << ((val & 0x000e0000) >> 17));
+}
+
+/* ------------------------------------------------------------------------- */
+
+int testdram (void)
+{
+ /* TODO: XXX XXX XXX */
+ printf ("test: 16 MB - ok\n");
+
+ return (0);
+}
+
+/* ------------------------------------------------------------------------- */