This command is not required for driver model operation, but can be useful
for testing. It provides simple dumps of internal data structures.
Signed-off-by: Simon Glass <s...@chromium.org>
Signed-off-by: Marek Vasut <ma...@denx.de>
Signed-off-by: Pavel Herrmann <morpheus.i...@gmail.com>
Signed-off-by: Viktor Křivák <viktor.kri...@gmail.com>
Signed-off-by: Tomas Hlavacek <tmshl...@gmail.com>
---
Changes in v9: None
Changes in v8: None
Changes in v7: None
Changes in v6: None
Changes in v5:
- Change to new SPDX license headers
Changes in v4:
- Change 'dm dump' command to 'dm tree'
Changes in v3: None
Changes in v2: None
include/configs/sandbox.h | 1 +
test/dm/Makefile | 1 +
test/dm/cmd_dm.c | 133 ++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 135 insertions(+)
create mode 100644 test/dm/cmd_dm.c
diff --git a/include/configs/sandbox.h b/include/configs/sandbox.h
index c9c8509..8e034a7 100644
--- a/include/configs/sandbox.h
+++ b/include/configs/sandbox.h
@@ -21,6 +21,7 @@
#define CONFIG_BOOTSTAGE
#define CONFIG_BOOTSTAGE_REPORT
#define CONFIG_DM
+#define CONFIG_CMD_DM
#define CONFIG_DM_TEST
/* Number of bits in a C 'long' on this architecture */
diff --git a/test/dm/Makefile b/test/dm/Makefile
index 6af85b9..4e9afe6 100644
--- a/test/dm/Makefile
+++ b/test/dm/Makefile
@@ -4,6 +4,7 @@
# SPDX-License-Identifier: GPL-2.0+
#
+obj-$(CONFIG_CMD_DM) += cmd_dm.o
obj-$(CONFIG_DM_TEST) += test-driver.o
obj-$(CONFIG_DM_TEST) += test-fdt.o
obj-$(CONFIG_DM_TEST) += test-main.o
diff --git a/test/dm/cmd_dm.c b/test/dm/cmd_dm.c
new file mode 100644
index 0000000..a03fe20
--- /dev/null
+++ b/test/dm/cmd_dm.c
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2013 Google, Inc
+ *
+ * (C) Copyright 2012
+ * Marek Vasut <ma...@denx.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <malloc.h>
+#include <errno.h>
+#include <asm/io.h>
+#include <dm/root.h>
+#include <dm/test.h>
+#include <dm/uclass-internal.h>
+
+static int display_succ(struct device *in, char *buf)
+{
+ int len;
+ int ip = 0;
+ char local[16];
+ struct device *pos, *n, *prev = NULL;
+
+ printf("%s- %s @ %08x", buf, in->name, map_to_sysmem(in));
+ if (in->flags & DM_FLAG_ACTIVATED)
+ puts(" - activated");
+ puts("\n");
+
+ if (list_empty(&in->child_head))
+ return 0;
+
+ len = strlen(buf);
+ strncpy(local, buf, sizeof(local));
+ snprintf(local + len, 2, "|");
+ if (len && local[len - 1] == '`')
+ local[len - 1] = ' ';
+
+ list_for_each_entry_safe(pos, n, &in->child_head, sibling_node) {
+ if (ip++)
+ display_succ(prev, local);
+ prev = pos;
+ }
+
+ snprintf(local + len, 2, "`");
+ display_succ(prev, local);
+
+ return 0;
+}
+
+static int dm_dump(struct device *dev)
+{
+ if (!dev)
+ return -EINVAL;
+ return display_succ(dev, "");
+}
+
+static int do_dm_dump_all(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ struct device *root;
+
+ root = dm_root();
+ printf("ROOT %08x\n", map_to_sysmem(root));
+ return dm_dump(root);
+}
+
+static int do_dm_dump_uclass(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ struct uclass *uc;
+ int ret;
+ int id;
+
+ for (id = 0; id < UCLASS_COUNT; id++) {
+ struct device *dev;
+
+ ret = uclass_get(id, &uc);
+ if (ret)
+ continue;
+
+ printf("uclass %d: %s\n", id, uc->uc_drv->name);
+ for (ret = uclass_first_device(id, &dev);
+ dev;
+ ret = uclass_next_device(&dev)) {
+ printf(" %s @ %08x:\n", dev->name,
+ map_to_sysmem(dev));
+ }
+ puts("\n");
+ }
+
+ return 0;
+}
+
+static int do_dm_test(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ return dm_test_main();
+}
+
+static cmd_tbl_t test_commands[] = {
+ U_BOOT_CMD_MKENT(tree, 0, 1, do_dm_dump_all, "", ""),
+ U_BOOT_CMD_MKENT(uclass, 1, 1, do_dm_dump_uclass, "", ""),
+ U_BOOT_CMD_MKENT(test, 1, 1, do_dm_test, "", ""),
+};
+
+static int do_dm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ cmd_tbl_t *test_cmd;
+ int ret;
+
+ if (argc != 2)
+ return CMD_RET_USAGE;
+ test_cmd = find_cmd_tbl(argv[1], test_commands,
+ ARRAY_SIZE(test_commands));
+ argc -= 2;
+ argv += 2;
+ if (!test_cmd || argc > test_cmd->maxargs)
+ return CMD_RET_USAGE;
+
+ ret = test_cmd->cmd(test_cmd, flag, argc, argv);
+
+ return cmd_process_error(test_cmd, ret);
+}
+
+U_BOOT_CMD(
+ dm, 2, 1, do_dm,
+ "Driver model low level access",
+ "tree Dump driver model tree\n"
+ "dm uclass Dump list of instances for each uclass\n"
+ "dm test Run tests"
+);
--
1.9.0.rc1.175.g0b1dcb5
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