Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / esd / pci405 / cmd_pci405.c

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 (file)
index 0000000..55c20d0
--- /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