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authorDirk Eibach <eibach@gdsys.de>2008-10-08 15:37:50 +0200
committerStefan Roese <sr@denx.de>2008-10-21 17:35:02 +0200
commitd7b26d58328f137471ea97de382bfa63f7239931 (patch)
treec75f883f766a1d6bdccd719962ca6327c5951f00 /board/gdsys/neo/neo.c
parentc11da194545d2f4bbb54be1bb5e504e20ce8c16c (diff)
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ppc4xx: Add GDSys neo 405EP board support
Signed-off-by: Dirk Eibach <eibach@gdsys.de> Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'board/gdsys/neo/neo.c')
-rw-r--r--board/gdsys/neo/neo.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/board/gdsys/neo/neo.c b/board/gdsys/neo/neo.c
new file mode 100644
index 0000000..817ce17
--- /dev/null
+++ b/board/gdsys/neo/neo.c
@@ -0,0 +1,101 @@
+/*
+ * (C) Copyright 2007-2008
+ * Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.de
+ *
+ * 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 <command.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+
+#define HWTYPE_CCX16 1
+#define HWREV_300 3
+
+int board_early_init_f(void)
+{
+ mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
+ mtdcr(uicer, 0x00000000); /* disable all ints */
+ mtdcr(uiccr, 0x00000000); /* set all to be non-critical */
+ mtdcr(uicpr, 0xFFFFFF80); /* set int polarities */
+ mtdcr(uictr, 0x10000000); /* set int trigger levels */
+ mtdcr(uicvcr, 0x00000001); /* set vect base=0,INT0 highest prio */
+ mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */
+
+ /*
+ * EBC Configuration Register: set ready timeout to 512 ebc-clks
+ * -> ca. 15 us
+ */
+ mtebc(epcr, 0xa8400000); /* ebc always driven */
+
+ return 0;
+}
+
+/*
+ * Check Board Identity:
+ */
+int checkboard(void)
+{
+ char *s = getenv("serial#");
+ u16 val = in_le16((void *)CONFIG_FPGA_BASE + 2);
+ u8 unit_type;
+ u8 hardware_cpu_ports;
+ u8 hardware_con_ports;
+ u8 hardware_version;
+
+ printf("Board: CATCenter Neo");
+
+ if (s != NULL) {
+ puts(", serial# ");
+ puts(s);
+ }
+ puts("\n ");
+
+ unit_type = (val & 0xf000) >> 12;
+ hardware_cpu_ports = ((val & 0x0f00) >> 8) * 8;
+ hardware_con_ports = ((val & 0x00f0) >> 4) * 2;
+ hardware_version = val & 0x000f;
+
+ switch (unit_type) {
+ case HWTYPE_CCX16:
+ printf("CCX16-FPGA (80 UARTs)");
+ break;
+
+ default:
+ printf("UnitType %d, unsupported", unit_type);
+ break;
+ }
+
+ printf(", %d cpu ports, %d console ports,",
+ hardware_cpu_ports, hardware_con_ports);
+
+ switch (hardware_version) {
+ case HWREV_300:
+ printf(" HW-Ver 3.00\n");
+ break;
+
+ default:
+ printf(" HW-Ver %d, unsupported\n",
+ hardware_version);
+ break;
+ }
+
+ return 0;
+}