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_read_chosen(struct unit_test_state *uts)
 107 {
 108         const char *str;
 109         const u32 *val;
 110         ofnode node;
 111         int size;
 112
 113         str = ofnode_read_chosen_string("setting");
 114         ut_assertnonnull(str);
 115         ut_asserteq_str("sunrise ohoka", str);
 116         ut_asserteq_ptr(NULL, ofnode_read_chosen_string("no-setting"));
 117
 118         node = ofnode_get_chosen_node("other-node");
 119         ut_assert(ofnode_valid(node));
 120         ut_asserteq_str("c-test@5", ofnode_get_name(node));
 121
 122         node = ofnode_get_chosen_node("setting");
 123         ut_assert(!ofnode_valid(node));
 124
 125         val = ofnode_read_chosen_prop("int-values", &size);
 126         ut_assertnonnull(val);
 127         ut_asserteq(8, size);
 128         ut_asserteq(0x1937, fdt32_to_cpu(val[0]));
 129         ut_asserteq(72993, fdt32_to_cpu(val[1]));
 130
 131         return 0;
 132 }
 133 DM_TEST(dm_test_ofnode_read_chosen, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
 134
 135 static int dm_test_ofnode_get_child_count(struct unit_test_state *uts)
 136 {
 137         ofnode node, child_node;
 138         u32 val;
 139
 140         node = ofnode_path("/i-test");
 141         ut_assert(ofnode_valid(node));
 142
 143         val = ofnode_get_child_count(node);
 144         ut_asserteq(3, val);
 145
 146         child_node = ofnode_first_subnode(node);
 147         ut_assert(ofnode_valid(child_node));
 148         val = ofnode_get_child_count(child_node);
 149         ut_asserteq(0, val);
 150
 151         return 0;
 152 }
 153 DM_TEST(dm_test_ofnode_get_child_count,
 154         UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);