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, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
  21
  22 static int dm_test_ofnode_by_prop_value(struct unit_test_state *uts)
  23 {
  24         const char propname[] = "compatible";
  25         const char propval[] = "denx,u-boot-fdt-test";
  26         const char *str;
  27         ofnode node = ofnode_null();
  28
  29         /* Find first matching node, there should be at least one */
  30         node = ofnode_by_prop_value(node, propname, propval, sizeof(propval));
  31         ut_assert(ofnode_valid(node));
  32         str = ofnode_read_string(node, propname);
  33         ut_assert(str && !strcmp(str, propval));
  34
  35         /* Find the rest of the matching nodes */
  36         while (true) {
  37                 node = ofnode_by_prop_value(node, propname, propval,
  38                                             sizeof(propval));
  39                 if (!ofnode_valid(node))
  40                         break;
  41                 str = ofnode_read_string(node, propname);
  42                 ut_assert(str && !strcmp(str, propval));
  43         }
  44
  45         return 0;
  46 }
  47 DM_TEST(dm_test_ofnode_by_prop_value, DM_TESTF_SCAN_FDT);
  48
  49 static int dm_test_ofnode_fmap(struct unit_test_state *uts)
  50 {
  51         struct fmap_entry entry;
  52         ofnode node;
  53
  54         node = ofnode_path("/cros-ec/flash");
  55         ut_assert(ofnode_valid(node));
  56         ut_assertok(ofnode_read_fmap_entry(node, &entry));
  57         ut_asserteq(0x08000000, entry.offset);
  58         ut_asserteq(0x20000, entry.length);
  59
  60         return 0;
  61 }
  62 DM_TEST(dm_test_ofnode_fmap, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
  63
  64 static int dm_test_ofnode_read(struct unit_test_state *uts)
  65 {
  66         const u32 *val;
  67         ofnode node;
  68         int size;
  69
  70         node = ofnode_path("/a-test");
  71         ut_assert(ofnode_valid(node));
  72
  73         val = ofnode_read_prop(node, "int-value", &size);
  74         ut_assertnonnull(val);
  75         ut_asserteq(4, size);
  76         ut_asserteq(1234, fdt32_to_cpu(val[0]));
  77
  78         val = ofnode_read_prop(node, "missing", &size);
  79         ut_assertnull(val);
  80         ut_asserteq(-FDT_ERR_NOTFOUND, size);
  81
  82         /* Check it works without a size parameter */
  83         val = ofnode_read_prop(node, "missing", NULL);
  84         ut_assertnull(val);
  85
  86         return 0;
  87 }
  88 DM_TEST(dm_test_ofnode_read, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
  89
  90 static int dm_test_ofnode_read_chosen(struct unit_test_state *uts)
  91 {
  92         const char *str;
  93         const u32 *val;
  94         ofnode node;
  95         int size;
  96
  97         str = ofnode_read_chosen_string("setting");
  98         ut_assertnonnull(str);
  99         ut_asserteq_str("sunrise ohoka", str);
 100         ut_asserteq_ptr(NULL, ofnode_read_chosen_string("no-setting"));
 101
 102         node = ofnode_get_chosen_node("other-node");
 103         ut_assert(ofnode_valid(node));
 104         ut_asserteq_str("c-test@5", ofnode_get_name(node));
 105
 106         node = ofnode_get_chosen_node("setting");
 107         ut_assert(!ofnode_valid(node));
 108
 109         val = ofnode_read_chosen_prop("int-values", &size);
 110         ut_assertnonnull(val);
 111         ut_asserteq(8, size);
 112         ut_asserteq(0x1937, fdt32_to_cpu(val[0]));
 113         ut_asserteq(72993, fdt32_to_cpu(val[1]));
 114
 115         return 0;
 116 }
 117 DM_TEST(dm_test_ofnode_read_chosen, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
 118
 119 static int dm_test_ofnode_get_child_count(struct unit_test_state *uts)
 120 {
 121         ofnode node, child_node;
 122         u32 val;
 123
 124         node = ofnode_path("/i-test");
 125         ut_assert(ofnode_valid(node));
 126
 127         val = ofnode_get_child_count(node);
 128         ut_asserteq(3, val);
 129
 130         child_node = ofnode_first_subnode(node);
 131         ut_assert(ofnode_valid(child_node));
 132         val = ofnode_get_child_count(child_node);
 133         ut_asserteq(0, val);
 134
 135         return 0;
 136 }
 137 DM_TEST(dm_test_ofnode_get_child_count,
 138         DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);