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path: root/board/esd/pci405/cmd_pci405.c
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Diffstat (limited to 'board/esd/pci405/cmd_pci405.c')
-rw-r--r--board/esd/pci405/cmd_pci405.c230
1 files changed, 230 insertions, 0 deletions
diff --git a/board/esd/pci405/cmd_pci405.c b/board/esd/pci405/cmd_pci405.c
new file mode 100644
index 0000000..da1a501
--- /dev/null
+++ b/board/esd/pci405/cmd_pci405.c
@@ -0,0 +1,230 @@
+/*
+ * (C) Copyright 2002
+ * 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 <malloc.h>
+#include <net.h>
+#include <asm/io.h>
+#include <pci.h>
+#include <405gp_pci.h>
+#include <cmd_bsp.h>
+
+#include "pci405.h"
+
+
+#if (CONFIG_COMMANDS & CFG_CMD_BSP)
+
+extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
+
+#if 0 /* test-only */
+#include "../common/fpga.c"
+void error_print(void)
+{
+ int i;
+ volatile unsigned char *ptr;
+ volatile unsigned long *ptr2;
+
+ printf("\n 2nd SJA1000:\n");
+ ptr = 0xf0000100;
+ for (i=0; i<0x20; i++) {
+ printf("%02x ", *ptr++);
+ }
+
+ ptr2 = 0xf0400008;
+ printf("\nTimestamp = %x\n", *ptr2);
+ udelay(1000);
+ printf("Timestamp = %x\n", *ptr2);
+ udelay(1000);
+ printf("Timestamp = %x\n", *ptr2);
+
+#if 0 /* test-only */
+ /*
+ * Reset FPGA via FPGA_DATA pin
+ */
+ printf("Resetting FPGA...\n");
+ SET_FPGA(FPGA_PRG | FPGA_CLK);
+ udelay(1000); /* wait 1ms */
+ SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA);
+ udelay(1000); /* wait 1ms */
+
+ do_loadpci(NULL, 0,0, NULL);
+#endif
+}
+
+void read_loop(void)
+{
+ int i;
+ volatile unsigned char *ptr;
+ volatile unsigned char val;
+ volatile unsigned long *ptr2;
+
+ printf("\nread loop on 1st sja1000...");
+ while (1) {
+ ptr = 0xf0000000;
+/* printf("\n1st SJA1000:\n");*/
+ for (i=0; i<0x20; i++) {
+ i = i;
+ val = *ptr++;
+/* printf("%02x ", val);*/
+ }
+
+ /* Abort if ctrl-c was pressed */
+ if (ctrlc()) {
+ puts("\nAbort\n");
+ return 0;
+ }
+ }
+}
+#endif
+/*
+ * Command loadpci: wait for signal from host and boot image.
+ */
+int do_loadpci(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ unsigned int *ptr = 0;
+ int count = 0;
+ int count2 = 0;
+ int status;
+ int i;
+ char addr[16];
+ char str[] = "\\|/-";
+ char *local_args[2];
+
+#if 0 /* test-only */
+ puts("\nStarting sja1000 test...");
+ {
+ int count;
+ volatile unsigned char *ptr;
+ volatile unsigned char val;
+ volatile unsigned char val2;
+
+#if 1 /* write test */
+ ptr = 0xf0000014;
+ for (i=1; i<11; i++)
+ *ptr++ = i;
+#endif
+
+ count = 0;
+ while (1) {
+ count++;
+#if 0 /* write test */
+ ptr = 0xf0000014;
+ for (i=1; i<11; i++)
+ *ptr++ = i;
+#endif
+#if 1 /* read test */
+ ptr = 0xf0000014;
+ for (i=1; i<11; i++) {
+ val = *ptr++;
+#if 1
+ if (val != i) {
+ ptr = 0xf0000100;
+ val = *ptr; /* trigger las */
+
+ ptr = 0xf0000014;
+ val2 = *ptr;
+
+ printf("\nERROR: count=%d: soll=%x ist=%x -> staring read loop on 1st sja1000...\n", count, i, val);
+
+ printf("soll=%x ist=%x -> staring read loop on 1st sja1000...\n", 1, val2);
+
+ return 0; /* test-only */
+ udelay(1000);
+ error_print();
+ read_loop();
+ return 0;
+ }
+#endif
+ }
+#endif
+
+ /* Abort if ctrl-c was pressed */
+ if (ctrlc()) {
+ puts("\nAbort\n");
+ return 0;
+ }
+
+ if (!(count % 100000)) {
+ printf(".");
+ }
+ }
+ }
+#endif
+ /*
+ * Mark sync address
+ */
+ ptr = 0;
+ *ptr = 0xffffffff;
+ puts("\nWaiting for image from pci host -");
+
+ /*
+ * Wait for host to write the start address
+ */
+ while (*ptr == 0xffffffff) {
+ count++;
+ if (!(count % 100)) {
+ count2++;
+ putc(0x08); /* backspace */
+ putc(str[count2 % 4]);
+ }
+
+ /* Abort if ctrl-c was pressed */
+ if (ctrlc()) {
+ puts("\nAbort\n");
+ return 0;
+ }
+
+ udelay(1000);
+ }
+
+ if (*ptr == PCI_RECONFIG_MAGIC) {
+ /*
+ * Save own pci configuration in PRAM
+ */
+ memset((char *)PCI_REGS_ADDR, 0, PCI_REGS_LEN);
+ ptr = (unsigned int *)PCI_REGS_ADDR + 1;
+ for (i=0; i<0x40; i+=4) {
+ pci_read_config_dword(PCIDEVID_405GP, i, ptr++);
+ }
+ ptr = (unsigned int *)PCI_REGS_ADDR;
+ *ptr = crc32(0, (char *)PCI_REGS_ADDR+4, PCI_REGS_LEN-4);
+
+ printf("\nStoring PCI Configuration Regs...\n");
+ } else {
+ sprintf(addr, "%08x", *ptr);
+
+ /*
+ * Boot image
+ */
+ printf("\nBooting image at addr 0x%s ...\n", addr);
+ setenv("loadaddr", addr);
+
+ local_args[0] = argv[0];
+ local_args[1] = NULL;
+ status = do_bootm (cmdtp, 0, 1, local_args);
+ }
+
+ return 0;
+}
+
+#endif