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
  11 static 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 }
  20 DM_TEST(dm_test_ofnode_compatible, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
  21
  22 static 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 }
  36 DM_TEST(dm_test_ofnode_get_by_phandle, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
  37
  38 static 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 }
  63 DM_TEST(dm_test_ofnode_by_prop_value, UT_TESTF_SCAN_FDT);
  64
  65 static 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 }
  78 DM_TEST(dm_test_ofnode_fmap, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
  79
  80 static 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 }
 104 DM_TEST(dm_test_ofnode_read, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 105
 106 static 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 }
 179 DM_TEST(dm_test_ofnode_phandle, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 180
 181 static 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 }
 208 DM_TEST(dm_test_ofnode_read_chosen, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 209
 210 static 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 }
 230 DM_TEST(dm_test_ofnode_read_aliases, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 231
 232 static 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 }
 250 DM_TEST(dm_test_ofnode_get_child_count,
 251         UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 252
 253 static 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 }
 263 DM_TEST(dm_test_ofnode_is_enabled, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 264
 265 static 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 }
 299 DM_TEST(dm_test_ofnode_get_reg, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 300
 301 static 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 }
 320 DM_TEST(dm_test_ofnode_get_path, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 321
 322 static 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 }
 335 DM_TEST(dm_test_ofnode_conf, 0);