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Diffstat (limited to 'u-boot/board/esd/pci405/cmd_pci405.c')
-rw-r--r--u-boot/board/esd/pci405/cmd_pci405.c112
1 files changed, 112 insertions, 0 deletions
diff --git a/u-boot/board/esd/pci405/cmd_pci405.c b/u-boot/board/esd/pci405/cmd_pci405.c
new file mode 100644
index 0000000..13f9019
--- /dev/null
+++ b/u-boot/board/esd/pci405/cmd_pci405.c
@@ -0,0 +1,112 @@
+/*
+ * (C) Copyright 2002-2004
+ * 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 <command.h>
+#include <malloc.h>
+#include <net.h>
+#include <asm/io.h>
+#include <pci.h>
+#include <asm/4xx_pci.h>
+#include <asm/processor.h>
+
+#include "pci405.h"
+
+#if defined(CONFIG_CMD_BSP)
+
+/*
+ * Command loadpci: wait for signal from host and boot image.
+ */
+int do_loadpci(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ unsigned int *ptr = 0;
+ int count = 0;
+ int count2 = 0;
+ int status;
+ int i;
+ char addr[16];
+ char str[] = "\\|/-";
+ char *local_args[2];
+
+ /*
+ * 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, (uchar *)PCI_REGS_ADDR+4, PCI_REGS_LEN-4);
+
+ printf("\nStoring PCI Configuration Regs...\n");
+ } else {
+ sprintf(addr, "%08x", *ptr);
+
+ /*
+ * Boot image via bootm
+ */
+ 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;
+}
+U_BOOT_CMD(
+ loadpci, 1, 1, do_loadpci,
+ "Wait for pci-image and boot it",
+ ""
+);
+#endif