1 files changed, 95 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/esd/pci405/cmd_pci405.c b/qemu/roms/u-boot/board/esd/pci405/cmd_pci405.c
new file mode 100644
index 000000000..55c20d02d
--- /dev/null
+++ b/qemu/roms/u-boot/board/esd/pci405/cmd_pci405.c
@@ -0,0 +1,95 @@
+/*
+ * (C) Copyright 2002-2004
+ * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#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 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;
+		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