// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2022 Google LLC
+ *
+ * There are two types of tests in this file:
+ * - normal ones which act on the control FDT (gd->fdt_blob or gd->of_root)
+ * - 'other' ones which act on the 'other' FDT (other.dts)
+ *
+ * The 'other' ones have an _ot suffix.
+ *
+ * The latter are used to check behaviour with multiple device trees,
+ * particularly with flat tree, where a tree ID is included in ofnode as part of
+ * the node offset. These tests are typically just for making sure that the
+ * offset makes it to libfdt correctly and that the resulting return value is
+ * correctly turned into an ofnode. The 'other' tests do not fully check the
+ * behaviour of each ofnode function, since that is done by the normal ones.
+ */
#include <common.h>
#include <dm.h>
#include <log.h>
+#include <of_live.h>
+#include <dm/device-internal.h>
+#include <dm/lists.h>
#include <dm/of_extra.h>
+#include <dm/root.h>
#include <dm/test.h>
+#include <dm/uclass-internal.h>
#include <test/test.h>
#include <test/ut.h>
+/**
+ * get_other_oftree() - Convert a flat tree into an oftree object
+ *
+ * @uts: Test state
+ * @return: oftree object for the 'other' FDT (see sandbox' other.dts)
+ */
+oftree get_other_oftree(struct unit_test_state *uts)
+{
+ oftree tree;
+
+ if (of_live_active())
+ tree = oftree_from_np(uts->of_other);
+ else
+ tree = oftree_from_fdt(uts->other_fdt);
+
+ /* An invalid tree may cause failure or crashes */
+ if (!oftree_valid(tree))
+ ut_reportf("test needs the UT_TESTF_OTHER_FDT flag");
+
+ return tree;
+}
+
+/**
+ * get_oftree() - Convert a flat tree into an oftree object
+ *
+ * @uts: Test state
+ * @fdt: Pointer to flat tree
+ * @treep: Returns the tree, on success
+ * Return: 0 if OK, 1 if the tree failed to unflatten, -EOVERFLOW if there are
+ * too many flat trees to allow another one to be registers (see
+ * oftree_ensure())
+ */
+int get_oftree(struct unit_test_state *uts, void *fdt, oftree *treep)
+{
+ oftree tree;
+
+ if (of_live_active()) {
+ struct device_node *root;
+
+ ut_assertok(unflatten_device_tree(fdt, &root));
+ tree = oftree_from_np(root);
+ } else {
+ tree = oftree_from_fdt(fdt);
+ if (!oftree_valid(tree))
+ return -EOVERFLOW;
+ }
+ *treep = tree;
+
+ return 0;
+}
+
+/**
+ * free_oftree() - Free memory used by get_oftree()
+ *
+ * @tree: Tree to free
+ */
+void free_oftree(oftree tree)
+{
+ if (of_live_active())
+ free(tree.np);
+}
+
static int dm_test_ofnode_compatible(struct unit_test_state *uts)
{
ofnode root_node = ofnode_path("/");
return 0;
}
-DM_TEST(dm_test_ofnode_compatible, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
+DM_TEST(dm_test_ofnode_compatible,
+ UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
+
+/* check ofnode_device_is_compatible() with the 'other' FDT */
+static int dm_test_ofnode_compatible_ot(struct unit_test_state *uts)
+{
+ oftree otree = get_other_oftree(uts);
+ ofnode oroot = oftree_root(otree);
+
+ ut_assert(ofnode_valid(oroot));
+ ut_assert(ofnode_device_is_compatible(oroot, "sandbox-other"));
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_compatible_ot, UT_TESTF_OTHER_FDT);
static int dm_test_ofnode_get_by_phandle(struct unit_test_state *uts)
{
/* test unknown phandle */
ut_assert(!ofnode_valid(ofnode_get_by_phandle(0x1000000)));
+ ut_assert(ofnode_valid(oftree_get_by_phandle(oftree_default(), 1)));
+
return 0;
}
DM_TEST(dm_test_ofnode_get_by_phandle, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
-static int dm_test_ofnode_by_prop_value(struct unit_test_state *uts)
+static int dm_test_ofnode_get_by_phandle_ot(struct unit_test_state *uts)
+{
+ oftree otree = get_other_oftree(uts);
+ ofnode node;
+
+ ut_assert(ofnode_valid(oftree_get_by_phandle(oftree_default(), 1)));
+ node = oftree_get_by_phandle(otree, 1);
+ ut_assert(ofnode_valid(node));
+ ut_asserteq_str("target", ofnode_get_name(node));
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_get_by_phandle_ot, UT_TESTF_OTHER_FDT);
+
+static int check_prop_values(struct unit_test_state *uts, ofnode start,
+ const char *propname, const char *propval,
+ int expect_count)
{
- const char propname[] = "compatible";
- const char propval[] = "denx,u-boot-fdt-test";
+ int proplen = strlen(propval) + 1;
const char *str;
- ofnode node = ofnode_null();
+ ofnode node;
+ int count;
/* Find first matching node, there should be at least one */
- node = ofnode_by_prop_value(node, propname, propval, sizeof(propval));
+ node = ofnode_by_prop_value(start, propname, propval, proplen);
ut_assert(ofnode_valid(node));
str = ofnode_read_string(node, propname);
ut_assert(str && !strcmp(str, propval));
/* Find the rest of the matching nodes */
+ count = 1;
while (true) {
- node = ofnode_by_prop_value(node, propname, propval,
- sizeof(propval));
+ node = ofnode_by_prop_value(node, propname, propval, proplen);
if (!ofnode_valid(node))
break;
str = ofnode_read_string(node, propname);
- ut_assert(str && !strcmp(str, propval));
+ ut_asserteq_str(propval, str);
+ count++;
}
+ ut_asserteq(expect_count, count);
+
+ return 0;
+}
+
+static int dm_test_ofnode_by_prop_value(struct unit_test_state *uts)
+{
+ ut_assertok(check_prop_values(uts, ofnode_null(), "compatible",
+ "denx,u-boot-fdt-test", 11));
return 0;
}
DM_TEST(dm_test_ofnode_by_prop_value, UT_TESTF_SCAN_FDT);
+static int dm_test_ofnode_by_prop_value_ot(struct unit_test_state *uts)
+{
+ oftree otree = get_other_oftree(uts);
+
+ ut_assertok(check_prop_values(uts, oftree_root(otree), "str-prop",
+ "other", 2));
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_by_prop_value_ot, UT_TESTF_OTHER_FDT);
+
static int dm_test_ofnode_fmap(struct unit_test_state *uts)
{
struct fmap_entry entry;
}
DM_TEST(dm_test_ofnode_read, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
+static int dm_test_ofnode_read_ot(struct unit_test_state *uts)
+{
+ oftree otree = get_other_oftree(uts);
+ const char *val;
+ ofnode node;
+ int size;
+
+ node = oftree_path(otree, "/node/subnode");
+ ut_assert(ofnode_valid(node));
+
+ val = ofnode_read_prop(node, "str-prop", &size);
+ ut_assertnonnull(val);
+ ut_asserteq_str("other", val);
+ ut_asserteq(6, size);
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_read_ot, UT_TESTF_OTHER_FDT);
+
static int dm_test_ofnode_phandle(struct unit_test_state *uts)
{
struct ofnode_phandle_args args;
}
DM_TEST(dm_test_ofnode_phandle, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
+static int dm_test_ofnode_phandle_ot(struct unit_test_state *uts)
+{
+ oftree otree = get_other_oftree(uts);
+ struct ofnode_phandle_args args;
+ ofnode node;
+ int ret;
+
+ node = oftree_path(otree, "/node");
+
+ /* Test ofnode_count_phandle_with_args with cell name */
+ ret = ofnode_count_phandle_with_args(node, "missing", "#gpio-cells", 0);
+ ut_asserteq(-ENOENT, ret);
+ ret = ofnode_count_phandle_with_args(node, "target", "#invalid", 0);
+ ut_asserteq(-EINVAL, ret);
+ ret = ofnode_count_phandle_with_args(node, "target", "#gpio-cells", 0);
+ ut_asserteq(1, ret);
+
+ ret = ofnode_parse_phandle_with_args(node, "target", "#gpio-cells", 0,
+ 0, &args);
+ ut_assertok(ret);
+ ut_asserteq(2, args.args_count);
+ ut_asserteq(3, args.args[0]);
+ ut_asserteq(4, args.args[1]);
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_phandle_ot, UT_TESTF_OTHER_FDT);
+
static int dm_test_ofnode_read_chosen(struct unit_test_state *uts)
{
const char *str;
ofnode node;
int size;
- node = ofnode_get_aliases_node("eth3");
+ node = ofnode_get_aliases_node("ethernet3");
ut_assert(ofnode_valid(node));
ut_asserteq_str("sbe5", ofnode_get_name(node));
DM_TEST(dm_test_ofnode_get_child_count,
UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
+static int dm_test_ofnode_get_child_count_ot(struct unit_test_state *uts)
+{
+ oftree otree = get_other_oftree(uts);
+ ofnode node, child_node;
+ u32 val;
+
+ node = oftree_path(otree, "/node");
+ ut_assert(ofnode_valid(node));
+
+ val = ofnode_get_child_count(node);
+ ut_asserteq(2, val);
+
+ child_node = ofnode_first_subnode(node);
+ ut_assert(ofnode_valid(child_node));
+ val = ofnode_get_child_count(child_node);
+ ut_asserteq(0, val);
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_get_child_count_ot, UT_TESTF_OTHER_FDT);
+
static int dm_test_ofnode_is_enabled(struct unit_test_state *uts)
{
ofnode root_node = ofnode_path("/");
}
DM_TEST(dm_test_ofnode_is_enabled, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
+static int dm_test_ofnode_is_enabled_ot(struct unit_test_state *uts)
+{
+ oftree otree = get_other_oftree(uts);
+ ofnode root_node = oftree_root(otree);
+ ofnode node = oftree_path(otree, "/target");
+
+ ut_assert(ofnode_is_enabled(root_node));
+ ut_assert(!ofnode_is_enabled(node));
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_is_enabled_ot, UT_TESTF_OTHER_FDT);
+
static int dm_test_ofnode_get_reg(struct unit_test_state *uts)
{
ofnode node;
ut_assert(ofnode_valid(node));
addr = ofnode_get_addr(node);
size = ofnode_get_size(node);
- ut_asserteq(FDT_ADDR_T_NONE, addr);
+ ut_asserteq_64(FDT_ADDR_T_NONE, addr);
ut_asserteq(FDT_SIZE_T_NONE, size);
node = ofnode_path("/translation-test@8000/noxlatebus@3,300/dev@42");
return 0;
}
DM_TEST(dm_test_ofnode_get_reg, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
+
+static int dm_test_ofnode_get_reg_ot(struct unit_test_state *uts)
+{
+ oftree otree = get_other_oftree(uts);
+ ofnode node = oftree_path(otree, "/target");
+ fdt_addr_t addr;
+
+ addr = ofnode_get_addr(node);
+ ut_asserteq(0x8000, addr);
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_get_reg_ot, UT_TESTF_OTHER_FDT);
+
+static int dm_test_ofnode_get_path(struct unit_test_state *uts)
+{
+ const char *path = "/translation-test@8000/noxlatebus@3,300/dev@42";
+ char buf[64];
+ ofnode node;
+
+ node = ofnode_path(path);
+ ut_assert(ofnode_valid(node));
+
+ ut_assertok(ofnode_get_path(node, buf, sizeof(buf)));
+ ut_asserteq_str(path, buf);
+
+ ut_asserteq(-ENOSPC, ofnode_get_path(node, buf, 32));
+
+ ut_assertok(ofnode_get_path(ofnode_root(), buf, 32));
+ ut_asserteq_str("/", buf);
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_get_path, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
+
+static int dm_test_ofnode_get_path_ot(struct unit_test_state *uts)
+{
+ oftree otree = get_other_oftree(uts);
+ const char *path = "/node/subnode";
+ ofnode node = oftree_path(otree, path);
+ char buf[64];
+
+ ut_assert(ofnode_valid(node));
+
+ ut_assertok(ofnode_get_path(node, buf, sizeof(buf)));
+ ut_asserteq_str(path, buf);
+
+ ut_assertok(ofnode_get_path(oftree_root(otree), buf, 32));
+ ut_asserteq_str("/", buf);
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_get_path_ot, UT_TESTF_OTHER_FDT);
+
+static int dm_test_ofnode_conf(struct unit_test_state *uts)
+{
+ ut_assert(!ofnode_conf_read_bool("missing"));
+ ut_assert(ofnode_conf_read_bool("testing-bool"));
+
+ ut_asserteq(123, ofnode_conf_read_int("testing-int", 0));
+ ut_asserteq(6, ofnode_conf_read_int("missing", 6));
+
+ ut_assertnull(ofnode_conf_read_str("missing"));
+ ut_asserteq_str("testing", ofnode_conf_read_str("testing-str"));
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_conf, 0);
+
+static int dm_test_ofnode_for_each_compatible_node(struct unit_test_state *uts)
+{
+ const char compatible[] = "denx,u-boot-fdt-test";
+ bool found = false;
+ ofnode node;
+
+ ofnode_for_each_compatible_node(node, compatible) {
+ ut_assert(ofnode_device_is_compatible(node, compatible));
+ found = true;
+ }
+
+ /* There should be at least one matching node */
+ ut_assert(found);
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_for_each_compatible_node, UT_TESTF_SCAN_FDT);
+
+static int dm_test_ofnode_string(struct unit_test_state *uts)
+{
+ const char **val;
+ const char *out;
+ ofnode node;
+
+ node = ofnode_path("/a-test");
+ ut_assert(ofnode_valid(node));
+
+ /* single string */
+ ut_asserteq(1, ofnode_read_string_count(node, "str-value"));
+ ut_assertok(ofnode_read_string_index(node, "str-value", 0, &out));
+ ut_asserteq_str("test string", out);
+ ut_asserteq(0, ofnode_stringlist_search(node, "str-value",
+ "test string"));
+ ut_asserteq(1, ofnode_read_string_list(node, "str-value", &val));
+ ut_asserteq_str("test string", val[0]);
+ ut_assertnull(val[1]);
+ free(val);
+
+ /* list of strings */
+ ut_asserteq(5, ofnode_read_string_count(node, "mux-control-names"));
+ ut_assertok(ofnode_read_string_index(node, "mux-control-names", 0,
+ &out));
+ ut_asserteq_str("mux0", out);
+ ut_asserteq(0, ofnode_stringlist_search(node, "mux-control-names",
+ "mux0"));
+ ut_asserteq(5, ofnode_read_string_list(node, "mux-control-names",
+ &val));
+ ut_asserteq_str("mux0", val[0]);
+ ut_asserteq_str("mux1", val[1]);
+ ut_asserteq_str("mux2", val[2]);
+ ut_asserteq_str("mux3", val[3]);
+ ut_asserteq_str("mux4", val[4]);
+ ut_assertnull(val[5]);
+ free(val);
+
+ ut_assertok(ofnode_read_string_index(node, "mux-control-names", 4,
+ &out));
+ ut_asserteq_str("mux4", out);
+ ut_asserteq(4, ofnode_stringlist_search(node, "mux-control-names",
+ "mux4"));
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_string, 0);
+
+static int dm_test_ofnode_string_err(struct unit_test_state *uts)
+{
+ const char **val;
+ const char *out;
+ ofnode node;
+
+ /*
+ * Test error codes only on livetree, as they are different with
+ * flattree
+ */
+ node = ofnode_path("/a-test");
+ ut_assert(ofnode_valid(node));
+
+ /* non-existent property */
+ ut_asserteq(-EINVAL, ofnode_read_string_count(node, "missing"));
+ ut_asserteq(-EINVAL, ofnode_read_string_index(node, "missing", 0,
+ &out));
+ ut_asserteq(-EINVAL, ofnode_read_string_list(node, "missing", &val));
+
+ /* empty property */
+ ut_asserteq(-ENODATA, ofnode_read_string_count(node, "bool-value"));
+ ut_asserteq(-ENODATA, ofnode_read_string_index(node, "bool-value", 0,
+ &out));
+ ut_asserteq(-ENODATA, ofnode_read_string_list(node, "bool-value",
+ &val));
+
+ /* badly formatted string list */
+ ut_asserteq(-EILSEQ, ofnode_read_string_count(node, "int64-value"));
+ ut_asserteq(-EILSEQ, ofnode_read_string_index(node, "int64-value", 0,
+ &out));
+ ut_asserteq(-EILSEQ, ofnode_read_string_list(node, "int64-value",
+ &val));
+
+ /* out of range / not found */
+ ut_asserteq(-ENODATA, ofnode_read_string_index(node, "str-value", 1,
+ &out));
+ ut_asserteq(-ENODATA, ofnode_stringlist_search(node, "str-value",
+ "other"));
+
+ /* negative value for index is not allowed, so don't test for that */
+
+ ut_asserteq(-ENODATA, ofnode_read_string_index(node,
+ "mux-control-names", 5,
+ &out));
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_string_err, UT_TESTF_LIVE_TREE);
+
+static int dm_test_ofnode_get_phy(struct unit_test_state *uts)
+{
+ ofnode eth_node, phy_node;
+ phy_interface_t mode;
+ u32 reg;
+
+ eth_node = ofnode_path("/phy-test-eth");
+ ut_assert(ofnode_valid(eth_node));
+
+ mode = ofnode_read_phy_mode(eth_node);
+ ut_assert(mode == PHY_INTERFACE_MODE_2500BASEX);
+
+ phy_node = ofnode_get_phy_node(eth_node);
+ ut_assert(ofnode_valid(phy_node));
+
+ reg = ofnode_read_u32_default(phy_node, "reg", -1U);
+ ut_asserteq_64(0x1, reg);
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_get_phy, 0);
+
+/**
+ * make_ofnode_fdt() - Create an FDT for testing with ofnode
+ *
+ * The size is set to the minimum needed
+ *
+ * @uts: Test state
+ * @fdt: Place to write FDT
+ * @size: Maximum size of space for fdt
+ * @id: id value to add to the tree ('id' property in root node)
+ */
+static int make_ofnode_fdt(struct unit_test_state *uts, void *fdt, int size,
+ int id)
+{
+ ut_assertok(fdt_create(fdt, size));
+ ut_assertok(fdt_finish_reservemap(fdt));
+ ut_assert(fdt_begin_node(fdt, "") >= 0);
+
+ ut_assertok(fdt_property_u32(fdt, "id", id));
+
+ ut_assert(fdt_begin_node(fdt, "aliases") >= 0);
+ ut_assertok(fdt_property_string(fdt, "mmc0", "/new-mmc"));
+ ut_assertok(fdt_end_node(fdt));
+
+ ut_assert(fdt_begin_node(fdt, "new-mmc") >= 0);
+ ut_assertok(fdt_end_node(fdt));
+
+ ut_assertok(fdt_end_node(fdt));
+ ut_assertok(fdt_finish(fdt));
+
+ return 0;
+}
+
+static int dm_test_ofnode_root(struct unit_test_state *uts)
+{
+ ofnode node;
+
+ /* Check that aliases work on the control FDT */
+ node = ofnode_get_aliases_node("ethernet3");
+ ut_assert(ofnode_valid(node));
+ ut_asserteq_str("sbe5", ofnode_get_name(node));
+
+ ut_assert(!oftree_valid(oftree_null()));
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_root, UT_TESTF_SCAN_FDT);
+
+static int dm_test_ofnode_root_mult(struct unit_test_state *uts)
+{
+ char fdt[256];
+ oftree tree;
+ ofnode node;
+
+ /* skip this test if multiple FDTs are not supported */
+ if (!IS_ENABLED(CONFIG_OFNODE_MULTI_TREE))
+ return -EAGAIN;
+
+ ut_assertok(make_ofnode_fdt(uts, fdt, sizeof(fdt), 0));
+ ut_assertok(get_oftree(uts, fdt, &tree));
+ ut_assert(oftree_valid(tree));
+
+ /* Make sure they don't work on this new tree */
+ node = oftree_path(tree, "mmc0");
+ ut_assert(!ofnode_valid(node));
+
+ /* It should appear in the new tree */
+ node = oftree_path(tree, "/new-mmc");
+ ut_assert(ofnode_valid(node));
+
+ /* ...and not in the control FDT */
+ node = oftree_path(oftree_default(), "/new-mmc");
+ ut_assert(!ofnode_valid(node));
+
+ free_oftree(tree);
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_root_mult, UT_TESTF_SCAN_FDT);
+
+static int dm_test_ofnode_livetree_writing(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+ ofnode node;
+
+ /* Test enabling devices */
+ node = ofnode_path("/usb@2");
+
+ ut_assert(!ofnode_is_enabled(node));
+ ut_assertok(ofnode_set_enabled(node, true));
+ ut_asserteq(true, ofnode_is_enabled(node));
+
+ device_bind_driver_to_node(dm_root(), "usb_sandbox", "usb@2", node,
+ &dev);
+ ut_assertok(uclass_find_device_by_seq(UCLASS_USB, 2, &dev));
+
+ /* Test string property setting */
+ ut_assert(device_is_compatible(dev, "sandbox,usb"));
+ ofnode_write_string(node, "compatible", "gdsys,super-usb");
+ ut_assert(device_is_compatible(dev, "gdsys,super-usb"));
+ ofnode_write_string(node, "compatible", "sandbox,usb");
+ ut_assert(device_is_compatible(dev, "sandbox,usb"));
+
+ /* Test setting generic properties */
+
+ /* Non-existent in DTB */
+ ut_asserteq_64(FDT_ADDR_T_NONE, dev_read_addr(dev));
+ /* reg = 0x42, size = 0x100 */
+ ut_assertok(ofnode_write_prop(node, "reg",
+ "\x00\x00\x00\x42\x00\x00\x01\x00", 8,
+ false));
+ ut_asserteq(0x42, dev_read_addr(dev));
+
+ /* Test disabling devices */
+ device_remove(dev, DM_REMOVE_NORMAL);
+ device_unbind(dev);
+
+ ut_assert(ofnode_is_enabled(node));
+ ut_assertok(ofnode_set_enabled(node, false));
+ ut_assert(!ofnode_is_enabled(node));
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_livetree_writing,
+ UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
+
+static int check_write_prop(struct unit_test_state *uts, ofnode node)
+{
+ char prop[] = "middle-name";
+ char name[10];
+ int len;
+
+ strcpy(name, "cecil");
+ len = strlen(name) + 1;
+ ut_assertok(ofnode_write_prop(node, prop, name, len, false));
+ ut_asserteq_str(name, ofnode_read_string(node, prop));
+
+ /* change the underlying value, this should mess up the live tree */
+ strcpy(name, "tony");
+ if (of_live_active()) {
+ ut_asserteq_str(name, ofnode_read_string(node, prop));
+ } else {
+ ut_asserteq_str("cecil", ofnode_read_string(node, prop));
+ }
+
+ /* try again, this time copying the property */
+ strcpy(name, "mary");
+ ut_assertok(ofnode_write_prop(node, prop, name, len, true));
+ ut_asserteq_str(name, ofnode_read_string(node, prop));
+ strcpy(name, "leah");
+
+ /* both flattree and livetree behave the same */
+ ut_asserteq_str("mary", ofnode_read_string(node, prop));
+
+ return 0;
+}
+
+/* writing the tree with and without copying the property */
+static int dm_test_ofnode_write_copy(struct unit_test_state *uts)
+{
+ ofnode node;
+
+ node = ofnode_path("/a-test");
+ ut_assertok(check_write_prop(uts, node));
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_write_copy, UT_TESTF_SCAN_FDT);
+
+static int dm_test_ofnode_write_copy_ot(struct unit_test_state *uts)
+{
+ oftree otree = get_other_oftree(uts);
+ ofnode node, check_node;
+
+ node = oftree_path(otree, "/node");
+ ut_assertok(check_write_prop(uts, node));
+
+ /* make sure the control FDT is not touched */
+ check_node = ofnode_path("/node");
+ ut_assertnull(ofnode_read_string(check_node, "middle-name"));
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_write_copy_ot, UT_TESTF_OTHER_FDT);
+
+static int dm_test_ofnode_u32(struct unit_test_state *uts)
+{
+ ofnode node;
+ u32 val;
+
+ node = ofnode_path("/lcd");
+ ut_assert(ofnode_valid(node));
+ ut_asserteq(1366, ofnode_read_u32_default(node, "xres", 123));
+ ut_assertok(ofnode_write_u32(node, "xres", 1367));
+ ut_asserteq(1367, ofnode_read_u32_default(node, "xres", 123));
+ ut_assertok(ofnode_write_u32(node, "xres", 1366));
+
+ node = ofnode_path("/backlight");
+ ut_assertok(ofnode_read_u32_index(node, "brightness-levels", 0, &val));
+ ut_asserteq(0, val);
+ ut_assertok(ofnode_read_u32_index(node, "brightness-levels", 1, &val));
+ ut_asserteq(16, val);
+ ut_assertok(ofnode_read_u32_index(node, "brightness-levels", 8, &val));
+ ut_asserteq(255, val);
+ ut_asserteq(-EOVERFLOW,
+ ofnode_read_u32_index(node, "brightness-levels", 9, &val));
+ ut_asserteq(-EINVAL, ofnode_read_u32_index(node, "missing", 0, &val));
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_u32, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
+
+static int dm_test_ofnode_u32_array(struct unit_test_state *uts)
+{
+ ofnode node;
+ u32 val[10];
+
+ node = ofnode_path("/a-test");
+ ut_assert(ofnode_valid(node));
+ ut_assertok(ofnode_read_u32_array(node, "int-value", val, 1));
+ ut_asserteq(-EINVAL, ofnode_read_u32_array(node, "missing", val, 1));
+ ut_asserteq(-EOVERFLOW, ofnode_read_u32_array(node, "bool-value", val,
+ 1));
+
+ memset(val, '\0', sizeof(val));
+ ut_assertok(ofnode_read_u32_array(node, "int-array", val + 1, 3));
+ ut_asserteq(0, val[0]);
+ ut_asserteq(5678, val[1]);
+ ut_asserteq(9123, val[2]);
+ ut_asserteq(4567, val[3]);
+ ut_asserteq(0, val[4]);
+ ut_asserteq(-EOVERFLOW, ofnode_read_u32_array(node, "int-array", val,
+ 4));
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_u32_array, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
+
+static int dm_test_ofnode_u64(struct unit_test_state *uts)
+{
+ ofnode node;
+ u64 val;
+
+ node = ofnode_path("/a-test");
+ ut_assert(ofnode_valid(node));
+ ut_assertok(ofnode_read_u64(node, "int64-value", &val));
+ ut_asserteq_64(0x1111222233334444, val);
+ ut_asserteq(-EINVAL, ofnode_read_u64(node, "missing", &val));
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_u64, UT_TESTF_SCAN_FDT);
+
+static int dm_test_ofnode_add_subnode(struct unit_test_state *uts)
+{
+ ofnode node, check, subnode;
+ char buf[128];
+
+ node = ofnode_path("/lcd");
+ ut_assert(ofnode_valid(node));
+ ut_assertok(ofnode_add_subnode(node, "edmund", &subnode));
+ check = ofnode_path("/lcd/edmund");
+ ut_asserteq(subnode.of_offset, check.of_offset);
+ ut_assertok(ofnode_get_path(subnode, buf, sizeof(buf)));
+ ut_asserteq_str("/lcd/edmund", buf);
+
+ if (of_live_active()) {
+ struct device_node *child;
+
+ ut_assertok(of_add_subnode((void *)ofnode_to_np(node), "edmund",
+ 2, &child));
+ ut_asserteq_str("ed", child->name);
+ ut_asserteq_str("/lcd/ed", child->full_name);
+ check = ofnode_path("/lcd/ed");
+ ut_asserteq_ptr(child, check.np);
+ ut_assertok(ofnode_get_path(np_to_ofnode(child), buf,
+ sizeof(buf)));
+ ut_asserteq_str("/lcd/ed", buf);
+ }
+
+ /* An existing node should be returned with -EEXIST */
+ ut_asserteq(-EEXIST, ofnode_add_subnode(node, "edmund", &check));
+ ut_asserteq(subnode.of_offset, check.of_offset);
+
+ /* add a root node */
+ node = ofnode_path("/");
+ ut_assert(ofnode_valid(node));
+ ut_assertok(ofnode_add_subnode(node, "lcd2", &subnode));
+ check = ofnode_path("/lcd2");
+ ut_asserteq(subnode.of_offset, check.of_offset);
+ ut_assertok(ofnode_get_path(subnode, buf, sizeof(buf)));
+ ut_asserteq_str("/lcd2", buf);
+
+ if (of_live_active()) {
+ ulong start;
+ int i;
+
+ /*
+ * Make sure each of the three malloc()checks in
+ * of_add_subnode() work
+ */
+ for (i = 0; i < 3; i++) {
+ malloc_enable_testing(i);
+ start = ut_check_free();
+ ut_asserteq(-ENOMEM, ofnode_add_subnode(node, "anthony",
+ &check));
+ ut_assertok(ut_check_delta(start));
+ }
+
+ /* This should pass since we allow 3 allocations */
+ malloc_enable_testing(3);
+ ut_assertok(ofnode_add_subnode(node, "anthony", &check));
+ malloc_disable_testing();
+ }
+
+ /* write to the empty node */
+ ut_assertok(ofnode_write_string(subnode, "example", "text"));
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_add_subnode, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
+
+static int dm_test_ofnode_for_each_prop(struct unit_test_state *uts)
+{
+ ofnode node, subnode;
+ struct ofprop prop;
+ int count;
+
+ node = ofnode_path("/buttons");
+ count = 0;
+
+ /* we expect "compatible" for each node */
+ ofnode_for_each_prop(prop, node)
+ count++;
+ ut_asserteq(1, count);
+
+ /* there are two nodes, each with 2 properties */
+ ofnode_for_each_subnode(subnode, node)
+ ofnode_for_each_prop(prop, subnode)
+ count++;
+ ut_asserteq(5, count);
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_for_each_prop, UT_TESTF_SCAN_FDT);
+
+static int dm_test_ofnode_by_compatible(struct unit_test_state *uts)
+{
+ const char *compat = "denx,u-boot-fdt-test";
+ ofnode node;
+ int count;
+
+ count = 0;
+ for (node = ofnode_null();
+ node = ofnode_by_compatible(node, compat), ofnode_valid(node);)
+ count++;
+ ut_asserteq(11, count);
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_by_compatible, UT_TESTF_SCAN_FDT);
+
+static int dm_test_ofnode_by_compatible_ot(struct unit_test_state *uts)
+{
+ const char *compat = "sandbox-other2";
+ oftree otree = get_other_oftree(uts);
+ ofnode node;
+ int count;
+
+ count = 0;
+ for (node = oftree_root(otree);
+ node = ofnode_by_compatible(node, compat), ofnode_valid(node);)
+ count++;
+ ut_asserteq(2, count);
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_by_compatible_ot, UT_TESTF_OTHER_FDT);
+
+static int dm_test_ofnode_find_subnode(struct unit_test_state *uts)
+{
+ ofnode node, subnode;
+
+ node = ofnode_path("/buttons");
+
+ subnode = ofnode_find_subnode(node, "btn1");
+ ut_assert(ofnode_valid(subnode));
+ ut_asserteq_str("btn1", ofnode_get_name(subnode));
+
+ subnode = ofnode_find_subnode(node, "btn");
+ ut_assert(!ofnode_valid(subnode));
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_find_subnode, UT_TESTF_SCAN_FDT);
+
+static int dm_test_ofnode_find_subnode_ot(struct unit_test_state *uts)
+{
+ oftree otree = get_other_oftree(uts);
+ ofnode node, subnode;
+
+ node = oftree_path(otree, "/node");
+
+ subnode = ofnode_find_subnode(node, "subnode");
+ ut_assert(ofnode_valid(subnode));
+ ut_asserteq_str("subnode", ofnode_get_name(subnode));
+
+ subnode = ofnode_find_subnode(node, "btn");
+ ut_assert(!ofnode_valid(subnode));
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_find_subnode_ot, UT_TESTF_OTHER_FDT);
+
+static int dm_test_ofnode_get_name(struct unit_test_state *uts)
+{
+ ofnode node;
+
+ node = ofnode_path("/buttons");
+ ut_assert(ofnode_valid(node));
+ ut_asserteq_str("buttons", ofnode_get_name(node));
+ ut_asserteq_str("", ofnode_get_name(ofnode_root()));
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_get_name, UT_TESTF_SCAN_FDT);
+
+/* try to access more FDTs than is supported */
+static int dm_test_ofnode_too_many(struct unit_test_state *uts)
+{
+ const int max_trees = CONFIG_IS_ENABLED(OFNODE_MULTI_TREE,
+ (CONFIG_OFNODE_MULTI_TREE_MAX), (1));
+ const int fdt_size = 256;
+ const int num_trees = max_trees + 1;
+ char fdt[num_trees][fdt_size];
+ int i;
+
+ for (i = 0; i < num_trees; i++) {
+ oftree tree;
+ int ret;
+
+ ut_assertok(make_ofnode_fdt(uts, fdt[i], fdt_size, i));
+ ret = get_oftree(uts, fdt[i], &tree);
+
+ /*
+ * With flat tree we have the control FDT using one slot. Live
+ * tree has no limit since it uses pointers, not integer tree
+ * IDs
+ */
+ if (of_live_active() || i < max_trees - 1) {
+ ut_assertok(ret);
+ } else {
+ /*
+ * tree should be invalid when we try to register too
+ * many trees
+ */
+ ut_asserteq(-EOVERFLOW, ret);
+ }
+ }
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_too_many, UT_TESTF_SCAN_FDT);
+
+static int check_copy_props(struct unit_test_state *uts, ofnode src,
+ ofnode dst)
+{
+ u32 reg[2], val;
+
+ ut_assertok(ofnode_copy_props(src, dst));
+
+ ut_assertok(ofnode_read_u32(dst, "ping-expect", &val));
+ ut_asserteq(3, val);
+
+ ut_asserteq_str("denx,u-boot-fdt-test",
+ ofnode_read_string(dst, "compatible"));
+
+ /* check that a property with the same name is overwritten */
+ ut_assertok(ofnode_read_u32_array(dst, "reg", reg, ARRAY_SIZE(reg)));
+ ut_asserteq(3, reg[0]);
+ ut_asserteq(1, reg[1]);
+
+ /* reset the compatible so the live tree does not change */
+ ut_assertok(ofnode_write_string(dst, "compatible", "nothing"));
+
+ return 0;
+}
+
+static int dm_test_ofnode_copy_props(struct unit_test_state *uts)
+{
+ ofnode src, dst;
+
+ /*
+ * These nodes are chosen so that the src node is before the destination
+ * node in the tree. This doesn't matter with livetree, but with
+ * flattree any attempt to insert a property earlier in the tree will
+ * mess up the offsets after it.
+ */
+ src = ofnode_path("/b-test");
+ dst = ofnode_path("/some-bus");
+
+ ut_assertok(check_copy_props(uts, src, dst));
+
+ /* check a property that is in the destination already */
+ ut_asserteq_str("mux0", ofnode_read_string(dst, "mux-control-names"));
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_copy_props, UT_TESTF_SCAN_FDT);
+
+static int dm_test_ofnode_copy_props_ot(struct unit_test_state *uts)
+{
+ ofnode src, dst;
+ oftree otree = get_other_oftree(uts);
+
+ src = ofnode_path("/b-test");
+ dst = oftree_path(otree, "/node/subnode2");
+ ut_assertok(check_copy_props(uts, src, dst));
+
+ return 0;
+}
+DM_TEST(dm_test_ofnode_copy_props_ot, UT_TESTF_SCAN_FDT | UT_TESTF_OTHER_FDT);
projects / platform / kernel / u-boot.git / blobdiff