Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 133 insertions, 0 deletions

diff --git a/roms/u-boot/cmd/demo.c b/roms/u-boot/cmd/demo.c
new file mode 100644
index 000000000..78a55f72b
--- /dev/null
+++ b/roms/u-boot/cmd/demo.c
@@ -0,0 +1,133 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2013 Google, Inc
+ *
+ * (C) Copyright 2012
+ * Pavel Herrmann <morpheus.ibis@gmail.com>
+ */
+
+#include <common.h>
+#include <command.h>
+#include <dm.h>
+#include <dm-demo.h>
+#include <mapmem.h>
+#include <asm/io.h>
+
+struct udevice *demo_dev;
+
+static int do_demo_hello(struct cmd_tbl *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(struct cmd_tbl *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;
+}
+
+static int do_demo_light(struct cmd_tbl *cmdtp, int flag, int argc,
+			 char *const argv[])
+{
+	int light;
+	int ret;
+
+	if (argc) {
+		light = simple_strtoul(argv[0], NULL, 16);
+		ret = demo_set_light(demo_dev, light);
+	} else {
+		ret = demo_get_light(demo_dev);
+		if (ret >= 0) {
+			printf("Light: %x\n", ret);
+			ret = 0;
+		}
+	}
+
+	return ret;
+}
+
+int do_demo_list(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
+{
+	struct udevice *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, plat %08x\n",
+		       i++, (uint)map_to_sysmem(dev),
+		       (uint)map_to_sysmem(dev->driver->ops),
+		       (uint)map_to_sysmem(dev_get_plat(dev)));
+	}
+
+	return cmd_process_error(cmdtp, ret);
+}
+
+static struct cmd_tbl 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(light, 2, 1, do_demo_light, "", ""),
+	U_BOOT_CMD_MKENT(status, 1, 1, do_demo_status, "", ""),
+};
+
+static int do_demo(struct cmd_tbl *cmdtp, int flag, int argc,
+		   char *const argv[])
+{
+	struct cmd_tbl *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) ||
+	    ((demo_cmd->name[0] != 'l') && (argc < 1)))
+		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++;
+	} else {
+		demo_dev = NULL;
+		if (demo_cmd->cmd != do_demo_list)
+			return CMD_RET_USAGE;
+	}
+
+	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 light [<num>]            Set or get the lights\n"
+	"demo status <num>             Get demo device status\n"
+);