Initial revision

1 files changed, 199 insertions, 0 deletions

diff --git a/board/esd/canbt/canbt.c b/board/esd/canbt/canbt.c
new file mode 100644
index 0000000..bc7f0c7
--- /dev/null
+++ b/board/esd/canbt/canbt.c
@@ -0,0 +1,199 @@
+/*
+ * (C) Copyright 2001
+ * Matthias Fuchs, esd gmbh germany, matthias.fuchs@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 "canbt.h"
+#include <asm/processor.h>
+#include <command.h>
+#include <cmd_boot.h>
+
+/* ------------------------------------------------------------------------- */
+
+#if 0
+#define FPGA_DEBUG
+#endif
+
+/* fpga configuration data */
+const unsigned char fpgadata[] = {
+#include "fpgadata.c"
+};
+
+/*
+ * include common fpga code (for esd boards)
+ */
+#include "../common/fpga.c"
+
+
+int board_pre_init (void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	unsigned long cntrl0Reg;
+	int index, len, i;
+	int status;
+
+	/*
+	 * Setup GPIO pins
+	 */
+	cntrl0Reg = mfdcr (cntrl0) & 0xf0001fff;
+	cntrl0Reg |= 0x0070f000;
+	mtdcr (cntrl0, cntrl0Reg);
+
+#ifdef FPGA_DEBUG
+	/* set up serial port with default baudrate */
+	(void) get_clocks ();
+	gd->baudrate = CONFIG_BAUDRATE;
+	serial_init ();
+	console_init_f ();
+#endif
+
+	/*
+	 * Boot onboard FPGA
+	 */
+	status = fpga_boot ((unsigned char *) fpgadata, sizeof (fpgadata));
+	if (status != 0) {
+		/* booting FPGA failed */
+#ifndef FPGA_DEBUG
+		/* set up serial port with default baudrate */
+		(void) get_clocks ();
+		gd->baudrate = CONFIG_BAUDRATE;
+		serial_init ();
+		console_init_f ();
+#endif
+		printf ("\nFPGA: Booting failed ");
+		switch (status) {
+		case ERROR_FPGA_PRG_INIT_LOW:
+			printf ("(Timeout: INIT not low after asserting PROGRAM*)\n ");
+			break;
+		case ERROR_FPGA_PRG_INIT_HIGH:
+			printf ("(Timeout: INIT not high after deasserting PROGRAM*)\n ");
+			break;
+		case ERROR_FPGA_PRG_DONE:
+			printf ("(Timeout: DONE not high after programming FPGA)\n ");
+			break;
+		}
+
+		/* display infos on fpgaimage */
+		index = 15;
+		for (i = 0; i < 4; i++) {
+			len = fpgadata[index];
+			printf ("FPGA: %s\n", &(fpgadata[index + 1]));
+			index += len + 3;
+		}
+		putc ('\n');
+		/* delayed reboot */
+		for (i = 20; i > 0; i--) {
+			printf ("Rebooting in %2d seconds \r", i);
+			for (index = 0; index < 1000; index++)
+				udelay (1000);
+		}
+		putc ('\n');
+		do_reset (NULL, 0, 0, NULL);
+	}
+
+	/*
+	 * Setup port pins for normal operation
+	 */
+	out32 (IBM405GP_GPIO0_ODR, 0x00000000);	/* no open drain pins */
+	out32 (IBM405GP_GPIO0_TCR, 0x07038100);	/* setup for output */
+	out32 (IBM405GP_GPIO0_OR, 0x07030100);	/* set output pins to high (default) */
+
+	/*
+	 * 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 */
+
+	return 0;
+}
+
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Check Board Identity:
+ */
+
+int checkboard (void)
+{
+	int index;
+	int len;
+	unsigned char str[64];
+	int i = getenv_r ("serial#", str, sizeof (str));
+
+	puts ("Board: ");
+
+	if (!i || strncmp (str, "CANBT", 5)) {
+		puts ("### No HW ID - assuming CANBT\n");
+		return (0);
+	}
+
+	puts (str);
+
+	puts ("\nFPGA:  ");
+
+	/* display infos on fpgaimage */
+	index = 15;
+	for (i = 0; i < 4; i++) {
+		len = fpgadata[index];
+		printf ("%s ", &(fpgadata[index + 1]));
+		index += len + 3;
+	}
+
+	putc ('\n');
+
+	return 0;
+}
+
+/* ------------------------------------------------------------------------- */
+
+long int initdram (int board_type)
+{
+	return (16 * 1024 * 1024);
+}
+
+/* ------------------------------------------------------------------------- */
+
+int testdram (void)
+{
+	/* TODO: XXX XXX XXX */
+	printf ("test: 16 MB - ok\n");
+
+	return (0);
+}
+
+/* ------------------------------------------------------------------------- */