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authorstroese <stroese>2004-12-16 18:24:54 +0000
committerstroese <stroese>2004-12-16 18:24:54 +0000
commit809ac5e7b06a88c1e8ad69242fbb2919e5204692 (patch)
treea0a321b961d51f313bca84d75e6791ea163adc6c /board/esd/vom405/vom405.c
parent8d8f894b511712d370cb8e2c618a2d2977bd4d26 (diff)
VOM405 board support added
Diffstat (limited to 'board/esd/vom405/vom405.c')
-rw-r--r--board/esd/vom405/vom405.c168
1 files changed, 168 insertions, 0 deletions
diff --git a/board/esd/vom405/vom405.c b/board/esd/vom405/vom405.c
new file mode 100644
index 00000000000..70bc6db96c0
--- /dev/null
+++ b/board/esd/vom405/vom405.c
@@ -0,0 +1,168 @@
+/*
+ * (C) Copyright 2001-2004
+ * 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 <asm/processor.h>
+#include <command.h>
+#include <malloc.h>
+
+
+extern void lxt971_no_sleep(void);
+
+
+/* fpga configuration data - not compressed, generated by bin2c */
+const unsigned char fpgadata[] =
+{
+#include "fpgadata.c"
+};
+int filesize = sizeof(fpgadata);
+
+
+int board_early_init_f (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) SER0 ; active low; level sensitive
+ * IRQ 27 (EXT IRQ 2) SER1; active low; level sensitive
+ * IRQ 28 (EXT IRQ 3) FPGA 0; active low; level sensitive
+ * IRQ 29 (EXT IRQ 4) FPGA 1; active low; level sensitive
+ * IRQ 30 (EXT IRQ 5) PCI INTA; 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, 0xFFFFFF80); /* 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: set ready timeout to 512 ebc-clks -> ca. 15 us
+ */
+ mtebc (epcr, 0xa8400000); /* ebc always driven */
+
+ /*
+ * Reset CPLD via GPIO12 (CS3) pin
+ */
+ out32(GPIO0_OR, in32(GPIO0_OR) & ~(0x80000000 >> 12));
+ udelay(1000); /* wait 1ms */
+ out32(GPIO0_OR, in32(GPIO0_OR) | (0x80000000 >> 12));
+ udelay(1000); /* wait 1ms */
+
+ return 0;
+}
+
+
+/* ------------------------------------------------------------------------- */
+
+int misc_init_f (void)
+{
+ return 0; /* dummy implementation */
+}
+
+
+int misc_init_r (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ /* adjust flash start and offset */
+ gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
+ gd->bd->bi_flashoffset = 0;
+
+ return (0);
+}
+
+
+/*
+ * Check Board Identity:
+ */
+
+int checkboard (void)
+{
+ unsigned char str[64];
+ int i = getenv_r ("serial#", str, sizeof(str));
+ int flashcnt;
+ int delay;
+ volatile unsigned char *led_reg = (unsigned char *)((ulong)CAN_BA + 0x1000);
+
+ puts ("Board: ");
+
+ if (i == -1) {
+ puts ("### No HW ID - assuming VOM405");
+ } else {
+ puts(str);
+ }
+
+ printf(" (PLD-Version=%02d)\n", *led_reg);
+
+ /*
+ * Flash LEDs
+ */
+ for (flashcnt = 0; flashcnt < 3; flashcnt++) {
+ *led_reg = 0x40; /* LED_B..D off */
+ for (delay = 0; delay < 100; delay++)
+ udelay(1000);
+ *led_reg = 0x47; /* LED_B..D on */
+ for (delay = 0; delay < 50; delay++)
+ udelay(1000);
+ }
+ *led_reg = 0x40;
+
+ /*
+ * Disable sleep mode in LXT971
+ */
+ lxt971_no_sleep();
+
+ 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);
+}