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authorStefan Roese <sr@denx.de>2006-01-18 20:03:15 +0100
committerStefan Roese <sr@denx.de>2006-01-18 20:03:15 +0100
commit2076d0a15ff1dba2b46d96e81d02d625254611ff (patch)
tree022f104e6f363e11a0b47b9305fa04e0caccec3d /board/esd/common/cmd_loadpci.c
parentc4b465f63e3b6fc998526dc217ff988e5c91e667 (diff)
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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
Diffstat (limited to 'board/esd/common/cmd_loadpci.c')
-rw-r--r--board/esd/common/cmd_loadpci.c123
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
+