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Diffstat (limited to 'u-boot/board/esd/common/cmd_loadpci.c')
-rw-r--r--u-boot/board/esd/common/cmd_loadpci.c129
1 files changed, 129 insertions, 0 deletions
diff --git a/u-boot/board/esd/common/cmd_loadpci.c b/u-boot/board/esd/common/cmd_loadpci.c
new file mode 100644
index 0000000..8f4ad84
--- /dev/null
+++ b/u-boot/board/esd/common/cmd_loadpci.c
@@ -0,0 +1,129 @@
+/*
+ * (C) Copyright 2005-2008
+ * 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 !defined(CONFIG_440)
+#include <asm/4xx_pci.h>
+#endif
+
+#if defined(CONFIG_CMD_BSP)
+
+extern int do_source (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 * const argv[])
+{
+ u32 *ptr = 0;
+ int count = 0;
+ int count2 = 0;
+ char addr[16];
+ char str[] = "\\|/-";
+ char *local_args[2];
+ u32 la, ptm1la;
+
+#if defined(CONFIG_440)
+ ptm1la = in32r(PCIL0_PTM1LA);
+#else
+ ptm1la = in32r(PTM1LA);
+#endif
+ while(1) {
+ /*
+ * Mark sync address
+ */
+ ptr = (u32 *)ptm1la;
+ 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);
+ la = ptm1la + (*ptr & ADDRMASK);
+ sprintf(addr, "%08x", la);
+
+ 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 "source" command
+ */
+ printf("executing script at addr 0x%s ...\n", addr);
+ local_args[0] = addr;
+ local_args[1] = NULL;
+ do_source(cmdtp, 0, 1, local_args);
+ break;
+
+ case 2:
+ /*
+ * Call run_cmd
+ */
+ printf("running command at addr 0x%s ...\n", addr);
+ run_command((char*)la, 0);
+ break;
+
+ default:
+ printf("unhandled boot method\n");
+ break;
+ }
+ }
+}
+
+U_BOOT_CMD(
+ loadpci, 1, 1, do_loadpci,
+ "Wait for pci bootcmd and boot it",
+ ""
+);
+
+#endif