Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / common / cmd_demo.c

diff --git a/qemu/roms/u-boot/common/cmd_demo.c b/qemu/roms/u-boot/common/cmd_demo.c
new file mode 100644 (file)
index 0000000..a3bba7f
--- /dev/null
+++ b/qemu/roms/u-boot/common/cmd_demo.c
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2013 Google, Inc
+ *
+ * (C) Copyright 2012
+ * Pavel Herrmann <morpheus.ibis@gmail.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm-demo.h>
+#include <asm/io.h>
+
+struct device *demo_dev;
+
+static int do_demo_hello(cmd_tbl_t *cmdtp, int flag, int argc,
+                        char * const argv[])
+{
+       int ch = 0;
+
+       if (argc)
+               ch = *argv[0];
+
+       return demo_hello(demo_dev, ch);
+}
+
+static int do_demo_status(cmd_tbl_t *cmdtp, int flag, int argc,
+                         char * const argv[])
+{
+       int status;
+       int ret;
+
+       ret = demo_status(demo_dev, &status);
+       if (ret)
+               return ret;
+
+       printf("Status: %d\n", status);
+
+       return 0;
+}
+
+int do_demo_list(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+       struct device *dev;
+       int i, ret;
+
+       puts("Demo uclass entries:\n");
+
+       for (i = 0, ret = uclass_first_device(UCLASS_DEMO, &dev);
+            dev;
+            ret = uclass_next_device(&dev)) {
+               printf("entry %d - instance %08x, ops %08x, platdata %08x\n",
+                      i++, map_to_sysmem(dev),
+                      map_to_sysmem(dev->driver->ops),
+                      map_to_sysmem(dev_get_platdata(dev)));
+       }
+
+       return cmd_process_error(cmdtp, ret);
+}
+
+static cmd_tbl_t demo_commands[] = {
+       U_BOOT_CMD_MKENT(list, 0, 1, do_demo_list, "", ""),
+       U_BOOT_CMD_MKENT(hello, 2, 1, do_demo_hello, "", ""),
+       U_BOOT_CMD_MKENT(status, 1, 1, do_demo_status, "", ""),
+};
+
+static int do_demo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+       cmd_tbl_t *demo_cmd;
+       int devnum = 0;
+       int ret;
+
+       if (argc < 2)
+               return CMD_RET_USAGE;
+       demo_cmd = find_cmd_tbl(argv[1], demo_commands,
+                               ARRAY_SIZE(demo_commands));
+       argc -= 2;
+       argv += 2;
+       if (!demo_cmd || argc > demo_cmd->maxargs)
+               return CMD_RET_USAGE;
+
+       if (argc) {
+               devnum = simple_strtoul(argv[0], NULL, 10);
+               ret = uclass_get_device(UCLASS_DEMO, devnum, &demo_dev);
+               if (ret)
+                       return cmd_process_error(cmdtp, ret);
+               argc--;
+               argv++;
+       }
+
+       ret = demo_cmd->cmd(demo_cmd, flag, argc, argv);
+
+       return cmd_process_error(demo_cmd, ret);
+}
+
+U_BOOT_CMD(
+       demo,   4,      1,      do_demo,
+       "Driver model (dm) demo operations",
+       "list                     List available demo devices\n"
+       "demo hello <num> [<char>]     Say hello\n"
+       "demo status <num>             Get demo device status"
+);