PMC405 and CPCI405: Moved configuration of pci resources into config file.

PMC405 and CPCI2DP: Added firmware download and booting via pci.

Patch by Matthias Fuchs, 20 Dec 2005

1 files changed, 123 insertions, 0 deletions

diff --git a/board/esd/common/cmd_loadpci.c b/board/esd/common/cmd_loadpci.c
new file mode 100644
index 0000000..3478f82
--- /dev/null
+++ b/board/esd/common/cmd_loadpci.c
@@ -0,0 +1,123 @@
+/*
+ * (C) Copyright 2005
+ * 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 <command.h>
+
+#if (CONFIG_COMMANDS & CFG_CMD_BSP)
+
+extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
+extern int do_autoscript (cmd_tbl_t *, int, int, char *[]);
+
+#define ADDRMASK 0xfffff000
+
+/*
+ * 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;
+	char addr[16];
+	char str[] = "\\|/-";
+	char *local_args[2];
+
+	while(1) {
+		/*
+		 * Mark sync address
+		 */
+		ptr = 0;
+		memset(ptr, 0, 0x20);
+
+		*ptr = 0xffffffff;
+		puts("\nWaiting for action 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);
+		}
+
+		printf("\nGot bootcode %08x: ", *ptr);
+		sprintf(addr, "%08x", *ptr & ADDRMASK);
+
+		switch (*ptr & ~ADDRMASK) {
+		case 0:
+			/*
+			 * Boot image via bootm
+			 */
+			printf("booting image at addr 0x%s ...\n", addr);
+			setenv("loadaddr", addr);
+
+			do_bootm (cmdtp, 0, 0, NULL);
+			break;
+
+		case 1:
+			/*
+			 * Boot image via autoscr
+			 */
+			printf("executing script at addr 0x%s ...\n", addr);
+
+			local_args[0] = addr;
+			local_args[1] = NULL;
+			do_autoscript(cmdtp, 0, 1, local_args);
+			break;
+
+		case 2:
+			/*
+			 * Call run_cmd
+			 */
+			printf("running command at addr 0x%s ...\n", addr);
+			run_command ((char*)(*ptr & ADDRMASK), 0);
+			break;
+
+		default:
+			printf("unhandled boot method\n");
+			break;
+		}
+	}
+}
+
+U_BOOT_CMD(
+	loadpci,	1,	1,	do_loadpci,
+	"loadpci - Wait for pci bootcmd and boot it\n",
+	NULL
+	);
+
+#endif
+