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-rw-r--r--u-boot/board/esd/ar405/ar405.c410
1 files changed, 410 insertions, 0 deletions
diff --git a/u-boot/board/esd/ar405/ar405.c b/u-boot/board/esd/ar405/ar405.c
new file mode 100644
index 0000000..6ec507f
--- /dev/null
+++ b/u-boot/board/esd/ar405/ar405.c
@@ -0,0 +1,410 @@
+/*
+ * (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 "ar405.h"
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <command.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+extern void lxt971_no_sleep(void);
+
+/* ------------------------------------------------------------------------- */
+
+#if 0
+#define FPGA_DEBUG
+#endif
+
+/* fpga configuration data - generated by bin2cc */
+const unsigned char fpgadata[] = {
+#include "fpgadata.c"
+};
+
+const unsigned char fpgadata_xl30[] = {
+#include "fpgadata_xl30.c"
+};
+
+/*
+ * include common fpga code (for esd boards)
+ */
+#include "../common/fpga.c"
+
+
+int board_early_init_f (void)
+{
+ int index, len, i;
+ int status;
+
+#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
+ */
+ /* first try 40er image */
+ gd->board_type = 40;
+ status = fpga_boot ((unsigned char *) fpgadata, sizeof (fpgadata));
+ if (status != 0) {
+ /* try xl30er image */
+ gd->board_type = 30;
+ status = fpga_boot ((unsigned char *) fpgadata_xl30, sizeof (fpgadata_xl30));
+ 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);
+ }
+ }
+
+ /*
+ * 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 (UIC0SR, 0xFFFFFFFF); /* clear all ints */
+ mtdcr (UIC0ER, 0x00000000); /* disable all ints */
+ mtdcr (UIC0CR, 0x00000000); /* set all to be non-critical */
+ mtdcr (UIC0PR, 0xFFFFFF81); /* set int polarities */
+ mtdcr (UIC0TR, 0x10000000); /* set int trigger levels */
+ mtdcr (UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest priority */
+ mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */
+
+ out_be16((void *)0xf03000ec, 0x0fff); /* enable interrupts in fpga */
+
+ return 0;
+}
+
+/*
+ * Check Board Identity:
+ */
+int checkboard (void)
+{
+ int index;
+ int len;
+ char str[64];
+ int i = getenv_f("serial#", str, sizeof (str));
+ const unsigned char *fpga;
+
+ puts ("Board: ");
+
+ if (i == -1) {
+ puts ("### No HW ID - assuming AR405");
+ } else {
+ puts(str);
+ }
+
+ puts ("\nFPGA: ");
+
+ /* display infos on fpgaimage */
+ if (gd->board_type == 30) {
+ fpga = fpgadata_xl30;
+ } else {
+ fpga = fpgadata;
+ }
+ index = 15;
+ for (i = 0; i < 4; i++) {
+ len = fpga[index];
+ printf ("%s ", &(fpga[index + 1]));
+ index += len + 3;
+ }
+
+ putc ('\n');
+
+ /*
+ * Disable sleep mode in LXT971
+ */
+ lxt971_no_sleep();
+
+ return 0;
+}
+
+
+#if 1 /* test-only: some internal test routines... */
+#define DIGEN ((void *)0xf03000b4) /* u8 */
+#define DIGOUT ((void *)0xf03000b0) /* u16 */
+#define DIGIN ((void *)0xf03000a0) /* u16 */
+
+/*
+ * Some test routines
+ */
+int do_digtest(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ int i;
+ int k;
+ int start;
+ int end;
+
+ if (argc != 3) {
+ puts("Usage: digtest n_start n_end (digtest 0 7)\n");
+ return 0;
+ }
+
+ start = simple_strtol (argv[1], NULL, 10);
+ end = simple_strtol (argv[2], NULL, 10);
+
+ /*
+ * Enable digital outputs
+ */
+ out_8(DIGEN, 0x08);
+
+ printf("\nStarting digital In-/Out Test from I/O %d to %d (Cntrl-C to abort)...\n",
+ start, end);
+
+ /*
+ * Set outputs one by one
+ */
+ for (;;) {
+ for (i=start; i<=end; i++) {
+ out_be16(DIGOUT, 0x0001 << i);
+ for (k=0; k<200; k++)
+ udelay(1000);
+
+ if (in_be16(DIGIN) != (0x0001 << i)) {
+ printf("ERROR: OUT=0x%04X, IN=0x%04X\n",
+ 0x0001 << i, in_be16(DIGIN));
+ return 0;
+ }
+
+ /* Abort if ctrl-c was pressed */
+ if (ctrlc()) {
+ puts("\nAbort\n");
+ return 0;
+ }
+ }
+ }
+
+ return 0;
+}
+U_BOOT_CMD(
+ digtest, 3, 1, do_digtest,
+ "Test digital in-/output",
+ ""
+);
+
+#define ERROR_DELTA 256
+
+struct io {
+ short val;
+ short dummy;
+};
+
+int do_anatest(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ short val;
+ int i;
+ int volt;
+ struct io *out;
+ struct io *in;
+
+ out = (struct io *)0xf0300090;
+ in = (struct io *)0xf0300000;
+
+ i = simple_strtol (argv[1], NULL, 10);
+
+ volt = 0;
+ printf("Setting Channel %d to %dV...\n", i, volt);
+ out_be16((void *)&(out[i].val), (volt * 0x7fff) / 10);
+ udelay(10000);
+ val = in_be16((void *)&(in[i*2].val));
+ printf("-> InChannel %d: 0x%04x=%dV\n", i*2, val, (val * 4000) / 0x7fff);
+ if ((val < ((volt * 0x7fff) / 40) - ERROR_DELTA) ||
+ (val > ((volt * 0x7fff) / 40) + ERROR_DELTA)) {
+ printf("ERROR! (min=0x%04x max=0x%04x)\n", ((volt * 0x7fff) / 40) - ERROR_DELTA,
+ ((volt * 0x7fff) / 40) + ERROR_DELTA);
+ return -1;
+ }
+ val = in_be16((void *)&(in[i*2+1].val));
+ printf("-> InChannel %d: 0x%04x=%dV\n", i*2+1, val, (val * 4000) / 0x7fff);
+ if ((val < ((volt * 0x7fff) / 40) - ERROR_DELTA) ||
+ (val > ((volt * 0x7fff) / 40) + ERROR_DELTA)) {
+ printf("ERROR! (min=0x%04x max=0x%04x)\n", ((volt * 0x7fff) / 40) - ERROR_DELTA,
+ ((volt * 0x7fff) / 40) + ERROR_DELTA);
+ return -1;
+ }
+
+ volt = 5;
+ printf("Setting Channel %d to %dV...\n", i, volt);
+ out_be16((void *)&(out[i].val), (volt * 0x7fff) / 10);
+ udelay(10000);
+ val = in_be16((void *)&(in[i*2].val));
+ printf("-> InChannel %d: 0x%04x=%dV\n", i*2, val, (val * 4000) / 0x7fff);
+ if ((val < ((volt * 0x7fff) / 40) - ERROR_DELTA) ||
+ (val > ((volt * 0x7fff) / 40) + ERROR_DELTA)) {
+ printf("ERROR! (min=0x%04x max=0x%04x)\n", ((volt * 0x7fff) / 40) - ERROR_DELTA,
+ ((volt * 0x7fff) / 40) + ERROR_DELTA);
+ return -1;
+ }
+ val = in_be16((void *)&(in[i*2+1].val));
+ printf("-> InChannel %d: 0x%04x=%dV\n", i*2+1, val, (val * 4000) / 0x7fff);
+ if ((val < ((volt * 0x7fff) / 40) - ERROR_DELTA) ||
+ (val > ((volt * 0x7fff) / 40) + ERROR_DELTA)) {
+ printf("ERROR! (min=0x%04x max=0x%04x)\n", ((volt * 0x7fff) / 40) - ERROR_DELTA,
+ ((volt * 0x7fff) / 40) + ERROR_DELTA);
+ return -1;
+ }
+
+ volt = 10;
+ printf("Setting Channel %d to %dV...\n", i, volt);
+ out_be16((void *)&(out[i].val), (volt * 0x7fff) / 10);
+ udelay(10000);
+ val = in_be16((void *)&(in[i*2].val));
+ printf("-> InChannel %d: 0x%04x=%dV\n", i*2, val, (val * 4000) / 0x7fff);
+ if ((val < ((volt * 0x7fff) / 40) - ERROR_DELTA) ||
+ (val > ((volt * 0x7fff) / 40) + ERROR_DELTA)) {
+ printf("ERROR! (min=0x%04x max=0x%04x)\n", ((volt * 0x7fff) / 40) - ERROR_DELTA,
+ ((volt * 0x7fff) / 40) + ERROR_DELTA);
+ return -1;
+ }
+ val = in_be16((void *)&(in[i*2+1].val));
+ printf("-> InChannel %d: 0x%04x=%dV\n", i*2+1, val, (val * 4000) / 0x7fff);
+ if ((val < ((volt * 0x7fff) / 40) - ERROR_DELTA) ||
+ (val > ((volt * 0x7fff) / 40) + ERROR_DELTA)) {
+ printf("ERROR! (min=0x%04x max=0x%04x)\n", ((volt * 0x7fff) / 40) - ERROR_DELTA,
+ ((volt * 0x7fff) / 40) + ERROR_DELTA);
+ return -1;
+ }
+
+ printf("Channel %d OK!\n", i);
+
+ return 0;
+}
+U_BOOT_CMD(
+ anatest, 2, 1, do_anatest,
+ "Test analog in-/output",
+ ""
+);
+
+
+int counter = 0;
+
+void cyclicInt(void *ptr)
+{
+ out_be16((void *)0xf03000e8, 0x0800); /* ack int */
+ counter++;
+}
+
+
+int do_inctest(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ ulong *incin;
+ int i;
+
+ incin = (ulong *)0xf0300040;
+
+ /*
+ * Clear inc counter
+ */
+ out_be32((void *)&incin[0], 0);
+ out_be32((void *)&incin[1], 0);
+ out_be32((void *)&incin[2], 0);
+ out_be32((void *)&incin[3], 0);
+
+ incin = (ulong *)0xf0300050;
+
+ /*
+ * Inc a little
+ */
+ for (i=0; i<10000; i++) {
+ switch (i & 0x03) {
+ case 0:
+ out_8(DIGEN, 0x02);
+ break;
+ case 1:
+ out_8(DIGEN, 0x03);
+ break;
+ case 2:
+ out_8(DIGEN, 0x01);
+ break;
+ case 3:
+ out_8(DIGEN, 0x00);
+ break;
+ }
+ udelay(10);
+ }
+
+ printf("Inc 0 = %d\n", in_be32((void *)&incin[0]));
+ printf("Inc 1 = %d\n", in_be32((void *)&incin[1]));
+ printf("Inc 2 = %d\n", in_be32((void *)&incin[2]));
+ printf("Inc 3 = %d\n", in_be32((void *)&incin[3]));
+
+ out_be16((void *)0xf03000e0, 0x0c80-1); /* set counter */
+ out_be16((void *)0xf03000ec,
+ in_be16((void *)0xf03000ec) | 0x0800); /* enable int */
+ irq_install_handler (30, (interrupt_handler_t *) cyclicInt, NULL);
+ printf("counter=%d\n", counter);
+
+ return 0;
+}
+U_BOOT_CMD(
+ inctest, 3, 1, do_inctest,
+ "Test incremental encoder inputs",
+ ""
+);
+#endif
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