LXR uboot/test/dm/ofnode.c

   1// SPDX-License-Identifier: GPL-2.0+
   2
   3#include <common.h>
   4#include <dm.h>
   5#include <log.h>
   6#include <dm/of_extra.h>
   7#include <dm/test.h>
   8#include <test/test.h>
   9#include <test/ut.h>
  10
  11static int dm_test_ofnode_compatible(struct unit_test_state *uts)
  12{
  13        ofnode root_node = ofnode_path("/");
  14
  15        ut_assert(ofnode_valid(root_node));
  16        ut_assert(ofnode_device_is_compatible(root_node, "sandbox"));
  17
  18        return 0;
  19}
  20DM_TEST(dm_test_ofnode_compatible, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
  21
  22static int dm_test_ofnode_get_by_phandle(struct unit_test_state *uts)
  23{
  24        /* test invalid phandle */
  25        ut_assert(!ofnode_valid(ofnode_get_by_phandle(0)));
  26        ut_assert(!ofnode_valid(ofnode_get_by_phandle(-1)));
  27
  28        /* test first valid phandle */
  29        ut_assert(ofnode_valid(ofnode_get_by_phandle(1)));
  30
  31        /* test unknown phandle */
  32        ut_assert(!ofnode_valid(ofnode_get_by_phandle(0x1000000)));
  33
  34        return 0;
  35}
  36DM_TEST(dm_test_ofnode_get_by_phandle, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
  37
  38static int dm_test_ofnode_by_prop_value(struct unit_test_state *uts)
  39{
  40        const char propname[] = "compatible";
  41        const char propval[] = "denx,u-boot-fdt-test";
  42        const char *str;
  43        ofnode node = ofnode_null();
  44
  45        /* Find first matching node, there should be at least one */
  46        node = ofnode_by_prop_value(node, propname, propval, sizeof(propval));
  47        ut_assert(ofnode_valid(node));
  48        str = ofnode_read_string(node, propname);
  49        ut_assert(str && !strcmp(str, propval));
  50
  51        /* Find the rest of the matching nodes */
  52        while (true) {
  53                node = ofnode_by_prop_value(node, propname, propval,
  54                                            sizeof(propval));
  55                if (!ofnode_valid(node))
  56                        break;
  57                str = ofnode_read_string(node, propname);
  58                ut_assert(str && !strcmp(str, propval));
  59        }
  60
  61        return 0;
  62}
  63DM_TEST(dm_test_ofnode_by_prop_value, UT_TESTF_SCAN_FDT);
  64
  65static int dm_test_ofnode_fmap(struct unit_test_state *uts)
  66{
  67        struct fmap_entry entry;
  68        ofnode node;
  69
  70        node = ofnode_path("/cros-ec/flash");
  71        ut_assert(ofnode_valid(node));
  72        ut_assertok(ofnode_read_fmap_entry(node, &entry));
  73        ut_asserteq(0x08000000, entry.offset);
  74        ut_asserteq(0x20000, entry.length);
  75
  76        return 0;
  77}
  78DM_TEST(dm_test_ofnode_fmap, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
  79
  80static int dm_test_ofnode_read(struct unit_test_state *uts)
  81{
  82        const u32 *val;
  83        ofnode node;
  84        int size;
  85
  86        node = ofnode_path("/a-test");
  87        ut_assert(ofnode_valid(node));
  88
  89        val = ofnode_read_prop(node, "int-value", &size);
  90        ut_assertnonnull(val);
  91        ut_asserteq(4, size);
  92        ut_asserteq(1234, fdt32_to_cpu(val[0]));
  93
  94        val = ofnode_read_prop(node, "missing", &size);
  95        ut_assertnull(val);
  96        ut_asserteq(-FDT_ERR_NOTFOUND, size);
  97
  98        /* Check it works without a size parameter */
  99        val = ofnode_read_prop(node, "missing", NULL);
 100        ut_assertnull(val);
 101
 102        return 0;
 103}
 104DM_TEST(dm_test_ofnode_read, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 105
 106static int dm_test_ofnode_phandle(struct unit_test_state *uts)
 107{
 108        struct ofnode_phandle_args args;
 109        ofnode node;
 110        int ret;
 111        const char prop[] = "test-gpios";
 112        const char cell[] = "#gpio-cells";
 113        const char prop2[] = "phandle-value";
 114
 115        node = ofnode_path("/a-test");
 116        ut_assert(ofnode_valid(node));
 117
 118        /* Test ofnode_count_phandle_with_args with cell name */
 119        ret = ofnode_count_phandle_with_args(node, "missing", cell, 0);
 120        ut_asserteq(-ENOENT, ret);
 121        ret = ofnode_count_phandle_with_args(node, prop, "#invalid", 0);
 122        ut_asserteq(-EINVAL, ret);
 123        ret = ofnode_count_phandle_with_args(node, prop, cell, 0);
 124        ut_asserteq(5, ret);
 125
 126        /* Test ofnode_parse_phandle_with_args with cell name */
 127        ret = ofnode_parse_phandle_with_args(node, "missing", cell, 0, 0,
 128                                             &args);
 129        ut_asserteq(-ENOENT, ret);
 130        ret = ofnode_parse_phandle_with_args(node, prop, "#invalid", 0, 0,
 131                                             &args);
 132        ut_asserteq(-EINVAL, ret);
 133        ret = ofnode_parse_phandle_with_args(node, prop, cell, 0, 0, &args);
 134        ut_assertok(ret);
 135        ut_asserteq(1, args.args_count);
 136        ut_asserteq(1, args.args[0]);
 137        ret = ofnode_parse_phandle_with_args(node, prop, cell, 0, 1, &args);
 138        ut_assertok(ret);
 139        ut_asserteq(1, args.args_count);
 140        ut_asserteq(4, args.args[0]);
 141        ret = ofnode_parse_phandle_with_args(node, prop, cell, 0, 2, &args);
 142        ut_assertok(ret);
 143        ut_asserteq(5, args.args_count);
 144        ut_asserteq(5, args.args[0]);
 145        ut_asserteq(1, args.args[4]);
 146        ret = ofnode_parse_phandle_with_args(node, prop, cell, 0, 3, &args);
 147        ut_asserteq(-ENOENT, ret);
 148        ret = ofnode_parse_phandle_with_args(node, prop, cell, 0, 4, &args);
 149        ut_assertok(ret);
 150        ut_asserteq(1, args.args_count);
 151        ut_asserteq(12, args.args[0]);
 152        ret = ofnode_parse_phandle_with_args(node, prop, cell, 0, 5, &args);
 153        ut_asserteq(-ENOENT, ret);
 154
 155        /* Test ofnode_count_phandle_with_args with cell count */
 156        ret = ofnode_count_phandle_with_args(node, "missing", NULL, 2);
 157        ut_asserteq(-ENOENT, ret);
 158        ret = ofnode_count_phandle_with_args(node, prop2, NULL, 1);
 159        ut_asserteq(3, ret);
 160
 161        /* Test ofnode_parse_phandle_with_args with cell count */
 162        ret = ofnode_parse_phandle_with_args(node, prop2, NULL, 1, 0, &args);
 163        ut_assertok(ret);
 164        ut_asserteq(1, ofnode_valid(args.node));
 165        ut_asserteq(1, args.args_count);
 166        ut_asserteq(10, args.args[0]);
 167        ret = ofnode_parse_phandle_with_args(node, prop2, NULL, 1, 1, &args);
 168        ut_asserteq(-EINVAL, ret);
 169        ret = ofnode_parse_phandle_with_args(node, prop2, NULL, 1, 2, &args);
 170        ut_assertok(ret);
 171        ut_asserteq(1, ofnode_valid(args.node));
 172        ut_asserteq(1, args.args_count);
 173        ut_asserteq(30, args.args[0]);
 174        ret = ofnode_parse_phandle_with_args(node, prop2, NULL, 1, 3, &args);
 175        ut_asserteq(-ENOENT, ret);
 176
 177        return 0;
 178}
 179DM_TEST(dm_test_ofnode_phandle, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 180
 181static int dm_test_ofnode_read_chosen(struct unit_test_state *uts)
 182{
 183        const char *str;
 184        const u32 *val;
 185        ofnode node;
 186        int size;
 187
 188        str = ofnode_read_chosen_string("setting");
 189        ut_assertnonnull(str);
 190        ut_asserteq_str("sunrise ohoka", str);
 191        ut_asserteq_ptr(NULL, ofnode_read_chosen_string("no-setting"));
 192
 193        node = ofnode_get_chosen_node("other-node");
 194        ut_assert(ofnode_valid(node));
 195        ut_asserteq_str("c-test@5", ofnode_get_name(node));
 196
 197        node = ofnode_get_chosen_node("setting");
 198        ut_assert(!ofnode_valid(node));
 199
 200        val = ofnode_read_chosen_prop("int-values", &size);
 201        ut_assertnonnull(val);
 202        ut_asserteq(8, size);
 203        ut_asserteq(0x1937, fdt32_to_cpu(val[0]));
 204        ut_asserteq(72993, fdt32_to_cpu(val[1]));
 205
 206        return 0;
 207}
 208DM_TEST(dm_test_ofnode_read_chosen, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 209
 210static int dm_test_ofnode_read_aliases(struct unit_test_state *uts)
 211{
 212        const void *val;
 213        ofnode node;
 214        int size;
 215
 216        node = ofnode_get_aliases_node("ethernet3");
 217        ut_assert(ofnode_valid(node));
 218        ut_asserteq_str("sbe5", ofnode_get_name(node));
 219
 220        node = ofnode_get_aliases_node("unknown");
 221        ut_assert(!ofnode_valid(node));
 222
 223        val = ofnode_read_aliases_prop("spi0", &size);
 224        ut_assertnonnull(val);
 225        ut_asserteq(7, size);
 226        ut_asserteq_str("/spi@0", (const char *)val);
 227
 228        return 0;
 229}
 230DM_TEST(dm_test_ofnode_read_aliases, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 231
 232static int dm_test_ofnode_get_child_count(struct unit_test_state *uts)
 233{
 234        ofnode node, child_node;
 235        u32 val;
 236
 237        node = ofnode_path("/i-test");
 238        ut_assert(ofnode_valid(node));
 239
 240        val = ofnode_get_child_count(node);
 241        ut_asserteq(3, val);
 242
 243        child_node = ofnode_first_subnode(node);
 244        ut_assert(ofnode_valid(child_node));
 245        val = ofnode_get_child_count(child_node);
 246        ut_asserteq(0, val);
 247
 248        return 0;
 249}
 250DM_TEST(dm_test_ofnode_get_child_count,
 251        UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 252
 253static int dm_test_ofnode_is_enabled(struct unit_test_state *uts)
 254{
 255        ofnode root_node = ofnode_path("/");
 256        ofnode node = ofnode_path("/usb@0");
 257
 258        ut_assert(ofnode_is_enabled(root_node));
 259        ut_assert(!ofnode_is_enabled(node));
 260
 261        return 0;
 262}
 263DM_TEST(dm_test_ofnode_is_enabled, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 264
 265static int dm_test_ofnode_get_reg(struct unit_test_state *uts)
 266{
 267        ofnode node;
 268        fdt_addr_t addr;
 269        fdt_size_t size;
 270
 271        node = ofnode_path("/translation-test@8000");
 272        ut_assert(ofnode_valid(node));
 273        addr = ofnode_get_addr(node);
 274        size = ofnode_get_size(node);
 275        ut_asserteq(0x8000, addr);
 276        ut_asserteq(0x4000, size);
 277
 278        node = ofnode_path("/translation-test@8000/dev@1,100");
 279        ut_assert(ofnode_valid(node));
 280        addr = ofnode_get_addr(node);
 281        size = ofnode_get_size(node);
 282        ut_asserteq(0x9000, addr);
 283        ut_asserteq(0x1000, size);
 284
 285        node = ofnode_path("/emul-mux-controller");
 286        ut_assert(ofnode_valid(node));
 287        addr = ofnode_get_addr(node);
 288        size = ofnode_get_size(node);
 289        ut_asserteq(FDT_ADDR_T_NONE, addr);
 290        ut_asserteq(FDT_SIZE_T_NONE, size);
 291
 292        node = ofnode_path("/translation-test@8000/noxlatebus@3,300/dev@42");
 293        ut_assert(ofnode_valid(node));
 294        addr = ofnode_get_addr_size_index_notrans(node, 0, &size);
 295        ut_asserteq_64(0x42, addr);
 296
 297        return 0;
 298}
 299DM_TEST(dm_test_ofnode_get_reg, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 300
 301static int dm_test_ofnode_get_path(struct unit_test_state *uts)
 302{
 303        const char *path = "/translation-test@8000/noxlatebus@3,300/dev@42";
 304        char buf[64];
 305        ofnode node;
 306        int res;
 307
 308        node = ofnode_path(path);
 309        ut_assert(ofnode_valid(node));
 310
 311        res = ofnode_get_path(node, buf, 64);
 312        ut_asserteq(0, res);
 313        ut_asserteq_str(path, buf);
 314
 315        res = ofnode_get_path(node, buf, 32);
 316        ut_asserteq(-ENOSPC, res);
 317
 318        return 0;
 319}
 320DM_TEST(dm_test_ofnode_get_path, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 321
 322static int dm_test_ofnode_conf(struct unit_test_state *uts)
 323{
 324        ut_assert(!ofnode_conf_read_bool("missing"));
 325        ut_assert(ofnode_conf_read_bool("testing-bool"));
 326
 327        ut_asserteq(123, ofnode_conf_read_int("testing-int", 0));
 328        ut_asserteq(6, ofnode_conf_read_int("missing", 6));
 329
 330        ut_assertnull(ofnode_conf_read_str("missing"));
 331        ut_asserteq_str("testing", ofnode_conf_read_str("testing-str"));
 332
 333        return 0;
 334}
 335DM_TEST(dm_test_ofnode_conf, 0);
 336
 337static int dm_test_ofnode_for_each_compatible_node(struct unit_test_state *uts)
 338{
 339        const char compatible[] = "denx,u-boot-fdt-test";
 340        bool found = false;
 341        ofnode node;
 342
 343        ofnode_for_each_compatible_node(node, compatible) {
 344                ut_assert(ofnode_device_is_compatible(node, compatible));
 345                found = true;
 346        }
 347
 348        /* There should be at least one matching node */
 349        ut_assert(found);
 350
 351        return 0;
 352}
 353DM_TEST(dm_test_ofnode_for_each_compatible_node, UT_TESTF_SCAN_FDT);
 354