u-boot/test/dm/ofnode.c

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// SPDX-License-Identifier: GPL-2.0+
#include <common.h>
#include <dm.h>
#include <log.h>
#include <dm/of_extra.h>
#include <dm/test.h>
#include <test/test.h>
#include <test/ut.h>
static int dm_test_ofnode_compatible(struct unit_test_state *uts)
{
ofnode root_node = ofnode_path("/");
ut_assert(ofnode_valid(root_node));
ut_assert(ofnode_device_is_compatible(root_node, "sandbox"));
return 0;
}
DM_TEST(dm_test_ofnode_compatible, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
static int dm_test_ofnode_get_by_phandle(struct unit_test_state *uts)
{
/* test invalid phandle */
ut_assert(!ofnode_valid(ofnode_get_by_phandle(0)));
ut_assert(!ofnode_valid(ofnode_get_by_phandle(-1)));
/* test first valid phandle */
ut_assert(ofnode_valid(ofnode_get_by_phandle(1)));
/* test unknown phandle */
ut_assert(!ofnode_valid(ofnode_get_by_phandle(0x1000000)));
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)
{
const char propname[] = "compatible";
const char propval[] = "denx,u-boot-fdt-test";
const char *str;
ofnode node = ofnode_null();
/* Find first matching node, there should be at least one */
node = ofnode_by_prop_value(node, propname, propval, sizeof(propval));
ut_assert(ofnode_valid(node));
str = ofnode_read_string(node, propname);
ut_assert(str && !strcmp(str, propval));
/* Find the rest of the matching nodes */
while (true) {
node = ofnode_by_prop_value(node, propname, propval,
sizeof(propval));
if (!ofnode_valid(node))
break;
str = ofnode_read_string(node, propname);
ut_assert(str && !strcmp(str, propval));
}
return 0;
}
DM_TEST(dm_test_ofnode_by_prop_value, UT_TESTF_SCAN_FDT);
static int dm_test_ofnode_fmap(struct unit_test_state *uts)
{
struct fmap_entry entry;
ofnode node;
node = ofnode_path("/cros-ec/flash");
ut_assert(ofnode_valid(node));
ut_assertok(ofnode_read_fmap_entry(node, &entry));
ut_asserteq(0x08000000, entry.offset);
ut_asserteq(0x20000, entry.length);
return 0;
}
DM_TEST(dm_test_ofnode_fmap, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
static int dm_test_ofnode_read(struct unit_test_state *uts)
{
const u32 *val;
ofnode node;
int size;
node = ofnode_path("/a-test");
ut_assert(ofnode_valid(node));
val = ofnode_read_prop(node, "int-value", &size);
ut_assertnonnull(val);
ut_asserteq(4, size);
ut_asserteq(1234, fdt32_to_cpu(val[0]));
val = ofnode_read_prop(node, "missing", &size);
ut_assertnull(val);
ut_asserteq(-FDT_ERR_NOTFOUND, size);
/* Check it works without a size parameter */
val = ofnode_read_prop(node, "missing", NULL);
ut_assertnull(val);
return 0;
}
DM_TEST(dm_test_ofnode_read, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
static int dm_test_ofnode_phandle(struct unit_test_state *uts)
{
struct ofnode_phandle_args args;
ofnode node;
int ret;
const char prop[] = "test-gpios";
const char cell[] = "#gpio-cells";
const char prop2[] = "phandle-value";
node = ofnode_path("/a-test");
ut_assert(ofnode_valid(node));
/* Test ofnode_count_phandle_with_args with cell name */
ret = ofnode_count_phandle_with_args(node, "missing", cell, 0);
ut_asserteq(-ENOENT, ret);
ret = ofnode_count_phandle_with_args(node, prop, "#invalid", 0);
ut_asserteq(-EINVAL, ret);
ret = ofnode_count_phandle_with_args(node, prop, cell, 0);
ut_asserteq(5, ret);
/* Test ofnode_parse_phandle_with_args with cell name */
ret = ofnode_parse_phandle_with_args(node, "missing", cell, 0, 0,
&args);
ut_asserteq(-ENOENT, ret);
ret = ofnode_parse_phandle_with_args(node, prop, "#invalid", 0, 0,
&args);
ut_asserteq(-EINVAL, ret);
ret = ofnode_parse_phandle_with_args(node, prop, cell, 0, 0, &args);
ut_assertok(ret);
ut_asserteq(1, args.args_count);
ut_asserteq(1, args.args[0]);
ret = ofnode_parse_phandle_with_args(node, prop, cell, 0, 1, &args);
ut_assertok(ret);
ut_asserteq(1, args.args_count);
ut_asserteq(4, args.args[0]);
ret = ofnode_parse_phandle_with_args(node, prop, cell, 0, 2, &args);
ut_assertok(ret);
ut_asserteq(5, args.args_count);
ut_asserteq(5, args.args[0]);
ut_asserteq(1, args.args[4]);
ret = ofnode_parse_phandle_with_args(node, prop, cell, 0, 3, &args);
ut_asserteq(-ENOENT, ret);
ret = ofnode_parse_phandle_with_args(node, prop, cell, 0, 4, &args);
ut_assertok(ret);
ut_asserteq(1, args.args_count);
ut_asserteq(12, args.args[0]);
ret = ofnode_parse_phandle_with_args(node, prop, cell, 0, 5, &args);
ut_asserteq(-ENOENT, ret);
/* Test ofnode_count_phandle_with_args with cell count */
ret = ofnode_count_phandle_with_args(node, "missing", NULL, 2);
ut_asserteq(-ENOENT, ret);
ret = ofnode_count_phandle_with_args(node, prop2, NULL, 1);
ut_asserteq(3, ret);
/* Test ofnode_parse_phandle_with_args with cell count */
ret = ofnode_parse_phandle_with_args(node, prop2, NULL, 1, 0, &args);
ut_assertok(ret);
ut_asserteq(1, ofnode_valid(args.node));
ut_asserteq(1, args.args_count);
ut_asserteq(10, args.args[0]);
ret = ofnode_parse_phandle_with_args(node, prop2, NULL, 1, 1, &args);
ut_asserteq(-EINVAL, ret);
ret = ofnode_parse_phandle_with_args(node, prop2, NULL, 1, 2, &args);
ut_assertok(ret);
ut_asserteq(1, ofnode_valid(args.node));
ut_asserteq(1, args.args_count);
ut_asserteq(30, args.args[0]);
ret = ofnode_parse_phandle_with_args(node, prop2, NULL, 1, 3, &args);
ut_asserteq(-ENOENT, ret);
return 0;
}
DM_TEST(dm_test_ofnode_phandle, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
static int dm_test_ofnode_read_chosen(struct unit_test_state *uts)
{
const char *str;
const u32 *val;
ofnode node;
int size;
str = ofnode_read_chosen_string("setting");
ut_assertnonnull(str);
ut_asserteq_str("sunrise ohoka", str);
ut_asserteq_ptr(NULL, ofnode_read_chosen_string("no-setting"));
node = ofnode_get_chosen_node("other-node");
ut_assert(ofnode_valid(node));
ut_asserteq_str("c-test@5", ofnode_get_name(node));
node = ofnode_get_chosen_node("setting");
ut_assert(!ofnode_valid(node));
val = ofnode_read_chosen_prop("int-values", &size);
ut_assertnonnull(val);
ut_asserteq(8, size);
ut_asserteq(0x1937, fdt32_to_cpu(val[0]));
ut_asserteq(72993, fdt32_to_cpu(val[1]));
return 0;
}
DM_TEST(dm_test_ofnode_read_chosen, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
static int dm_test_ofnode_read_aliases(struct unit_test_state *uts)
{
const void *val;
ofnode node;
int size;
node = ofnode_get_aliases_node("ethernet3");
ut_assert(ofnode_valid(node));
ut_asserteq_str("sbe5", ofnode_get_name(node));
node = ofnode_get_aliases_node("unknown");
ut_assert(!ofnode_valid(node));
val = ofnode_read_aliases_prop("spi0", &size);
ut_assertnonnull(val);
ut_asserteq(7, size);
ut_asserteq_str("/spi@0", (const char *)val);
return 0;
}
DM_TEST(dm_test_ofnode_read_aliases, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
static int dm_test_ofnode_get_child_count(struct unit_test_state *uts)
{
ofnode node, child_node;
u32 val;
node = ofnode_path("/i-test");
ut_assert(ofnode_valid(node));
val = ofnode_get_child_count(node);
ut_asserteq(3, 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,
UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
static int dm_test_ofnode_is_enabled(struct unit_test_state *uts)
{
ofnode root_node = ofnode_path("/");
ofnode node = ofnode_path("/usb@0");
ut_assert(ofnode_is_enabled(root_node));
ut_assert(!ofnode_is_enabled(node));
return 0;
}
DM_TEST(dm_test_ofnode_is_enabled, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
static int dm_test_ofnode_get_reg(struct unit_test_state *uts)
{
ofnode node;
fdt_addr_t addr;
fdt_size_t size;
node = ofnode_path("/translation-test@8000");
ut_assert(ofnode_valid(node));
addr = ofnode_get_addr(node);
size = ofnode_get_size(node);
ut_asserteq(0x8000, addr);
ut_asserteq(0x4000, size);
node = ofnode_path("/translation-test@8000/dev@1,100");
ut_assert(ofnode_valid(node));
addr = ofnode_get_addr(node);
size = ofnode_get_size(node);
ut_asserteq(0x9000, addr);
ut_asserteq(0x1000, size);
node = ofnode_path("/emul-mux-controller");
ut_assert(ofnode_valid(node));
addr = ofnode_get_addr(node);
size = ofnode_get_size(node);
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");
ut_assert(ofnode_valid(node));
addr = ofnode_get_addr_size_index_notrans(node, 0, &size);
ut_asserteq_64(0x42, addr);
return 0;
}
DM_TEST(dm_test_ofnode_get_reg, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_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;
int res;
node = ofnode_path(path);
ut_assert(ofnode_valid(node));
res = ofnode_get_path(node, buf, 64);
ut_asserteq(0, res);
ut_asserteq_str(path, buf);
res = ofnode_get_path(node, buf, 32);
ut_asserteq(-ENOSPC, res);
return 0;
}
DM_TEST(dm_test_ofnode_get_path, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_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);