Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / esd / common / cmd_loadpci.c

diff --git a/qemu/roms/u-boot/board/esd/common/cmd_loadpci.c b/qemu/roms/u-boot/board/esd/common/cmd_loadpci.c
new file mode 100644 (file)
index 0000000..803179a
--- /dev/null
+++ b/qemu/roms/u-boot/board/esd/common/cmd_loadpci.c
@@ -0,0 +1,113 @@
+/*
+ * (C) Copyright 2005-2008
+ * Matthias Fuchs, esd GmbH Germany, matthias.fuchs@esd-electronics.com
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#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