summaryrefslogtreecommitdiff
path: root/board/gdsys/dlvision/dlvision.c
diff options
context:
space:
mode:
authorDirk Eibach <eibach@gdsys.de>2009-07-17 14:16:40 +0200
committerStefan Roese <sr@denx.de>2009-07-24 06:42:31 +0200
commitb209a114829dc8a7a0e39a9335b6e4aebf9742cb (patch)
tree631bec3b0192ddb1dd58e080661e0c2b14323414 /board/gdsys/dlvision/dlvision.c
parent9b1b8c8a1bf52e9b65e1958e5205838576066cbc (diff)
downloadu-boot-imx-b209a114829dc8a7a0e39a9335b6e4aebf9742cb.zip
u-boot-imx-b209a114829dc8a7a0e39a9335b6e4aebf9742cb.tar.gz
u-boot-imx-b209a114829dc8a7a0e39a9335b6e4aebf9742cb.tar.bz2
ppc4xx: Add DL-Vision 405EP board support
Board support for the Guntermann & Drunck DL-Vision. Signed-off-by: Dirk Eibach <eibach@gdsys.de> Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'board/gdsys/dlvision/dlvision.c')
-rw-r--r--board/gdsys/dlvision/dlvision.c137
1 files changed, 137 insertions, 0 deletions
diff --git a/board/gdsys/dlvision/dlvision.c b/board/gdsys/dlvision/dlvision.c
new file mode 100644
index 0000000..4ec1cdb
--- /dev/null
+++ b/board/gdsys/dlvision/dlvision.c
@@ -0,0 +1,137 @@
+/*
+ * (C) Copyright 2009
+ * 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>
+#include <asm/gpio.h>
+
+enum {
+ HWTYPE_DLVISION_CPU = 0,
+ HWTYPE_DLVISION_CON = 1,
+};
+
+#define HWREV_100 6
+
+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 */
+
+ /*
+ * setup io-latches
+ */
+ out_le16((void *)CONFIG_SYS_LATCH_BASE, 0x00f0);
+ out_le16((void *)(CONFIG_SYS_LATCH_BASE + 0x100), 0x0002);
+ out_le16((void *)(CONFIG_SYS_LATCH_BASE + 0x200), 0x0000);
+ return 0;
+}
+
+int misc_init_r(void)
+{
+ /*
+ * set "startup-finished"-gpios
+ */
+ gpio_write_bit(21, 0);
+ gpio_write_bit(22, 1);
+
+ return 0;
+}
+
+/*
+ * Check Board Identity:
+ */
+int checkboard(void)
+{
+ char *s = getenv("serial#");
+ u8 channel2_msr = in_8((void *)CONFIG_UART_BASE + 0x26);
+ u8 channel3_msr = in_8((void *)CONFIG_UART_BASE + 0x36);
+ u8 channel7_msr = in_8((void *)CONFIG_UART_BASE + 0x76);
+ u8 unit_type;
+ u8 local_con;
+ u8 audio;
+ u8 hardware_version;
+
+ printf("Board: ");
+
+ unit_type = (channel2_msr & 0x80) ? 0x01 : 0x00;
+ local_con = (channel2_msr & 0x20) ? 0x01 : 0x00;
+ audio = (channel3_msr & 0x20) ? 0x01 : 0x00;
+ hardware_version =
+ ((channel7_msr & 0x20) ? 0x01 : 0x00)
+ | ((channel7_msr & 0x80) ? 0x02 : 0x00)
+ | ((channel7_msr & 0x40) ? 0x04 : 0x00);
+
+ switch (unit_type) {
+ case HWTYPE_DLVISION_CON:
+ printf("DL-Vision-CON");
+ break;
+
+ case HWTYPE_DLVISION_CPU:
+ printf("DL-Vision-CPU");
+ break;
+
+ default:
+ printf("UnitType %d, unsupported", unit_type);
+ break;
+ }
+
+ if (s != NULL) {
+ puts(", serial# ");
+ puts(s);
+ }
+ puts("\n ");
+
+ switch (hardware_version) {
+ case HWREV_100:
+ printf("HW-Ver 1.00");
+ break;
+
+ default:
+ printf("HW-Ver %d, unsupported",
+ hardware_version);
+ break;
+ }
+
+ if (local_con)
+ printf(", local console");
+
+ if (audio)
+ printf(", audio support");
+
+ puts("\n");
+
+ return 0;
+}