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authorwdenk <wdenk>2002-08-30 11:07:04 +0000
committerwdenk <wdenk>2002-08-30 11:07:04 +0000
commit153d511e36917ee67d52d36d5d5e9ca41406610a (patch)
treec82d3d0c6501ea007d748a295e210e9be81cc248 /board/esd/canbt/canbt.c
parentb6a6460b7dfa1629ecf187c2091737c0ed2585bf (diff)
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Initial revision
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diff --git a/board/esd/canbt/canbt.c b/board/esd/canbt/canbt.c
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+/*
+ * (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);
+}
+
+/* ------------------------------------------------------------------------- */