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-rw-r--r--drivers/of/unittest-data/tests-address.dtsi101
-rw-r--r--drivers/of/unittest.c77
2 files changed, 178 insertions, 0 deletions
diff --git a/drivers/of/unittest-data/tests-address.dtsi b/drivers/of/unittest-data/tests-address.dtsi
index bc0029cbf8ea..3344f15c3755 100644
--- a/drivers/of/unittest-data/tests-address.dtsi
+++ b/drivers/of/unittest-data/tests-address.dtsi
@@ -51,5 +51,106 @@
};
};
+
+ address-tests2 {
+ #address-cells = <2>;
+ #size-cells = <1>;
+
+ ranges = <0x10000000 0x01000000 0xa0000000 0x01000000>,
+ <0x10000000 0x02000000 0xb0000000 0x01000000>,
+ <0x20000000 0x01000000 0xc0000000 0x01000000>,
+ <0x20000000 0x02000000 0xd0000000 0x01000000>,
+ <0x00000000 0xd1000000 0xd1000000 0x01000000>,
+ <0x00000000 0xe8000000 0xe8000000 0x07f00000>,
+ <0x00000000 0xefff0000 0xefff0000 0x00010000>;
+
+ bus-2cell@10000000 {
+ #address-cells = <2>;
+ #size-cells = <1>;
+ ranges = <0x100000 0x10000 0x10000000 0x1a00000 0x10000>,
+ <0x100000 0x20000 0x10000000 0x1b00000 0x10000>,
+ <0x200000 0x10000 0x20000000 0x1c00000 0x10000>,
+ <0x200000 0x20000 0x20000000 0x2d00000 0x10000>;
+
+ device@100000 {
+ reg = <0x100000 0x11000 0x100>,
+ <0x100000 0x12000 0x100>,
+ <0x200000 0x11000 0x100>,
+ <0x200000 0x21000 0x100>;
+ };
+ };
+
+ bus-3cell@20000000 {
+ #address-cells = <3>;
+ #size-cells = <1>;
+ ranges = <0x1 0x100000 0x10000 0x10000000 0x1a00000 0x10000>,
+ <0x2 0x100000 0x10000 0x10000000 0x1b00000 0x10000>,
+ <0x3 0x200000 0x10000 0x20000000 0x1c00000 0x10000>,
+ <0x4 0x200000 0x20000 0x20000000 0x2d00000 0x10000>;
+
+ local-bus@100000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0xf1000000 0x1 0x100000 0x10000 0x10000>,
+ <0xf2000000 0x2 0x100000 0x10000 0x10000>,
+ <0xf3000000 0x3 0x200000 0x10000 0x08000>,
+ <0xf3800000 0x3 0x200000 0x18000 0x08000>,
+ <0xf4000000 0x4 0x200000 0x20000 0x10000>;
+
+ device@f1001000 {
+ reg = <0xf1001000 0x100>,
+ <0xf2002000 0x100>,
+ <0xf3001000 0x100>,
+ <0xf3801000 0x100>,
+ <0xf4001000 0x100>;
+ };
+ };
+ };
+
+ pcie@d1070000 {
+ #address-cells = <0x03>;
+ #size-cells = <0x02>;
+ bus-range = <0x00 0xff>;
+ device_type = "pci";
+ ranges = <0x82000000 0 0xe8000000 0 0xe8000000 0 0x7f00000>,
+ <0x81000000 0 0x00000000 0 0xefff0000 0 0x0010000>;
+ reg = <0x00000000 0xd1070000 0x20000>;
+
+ pci@0,0 {
+ #address-cells = <0x03>;
+ #size-cells = <0x02>;
+ bus-range = <0x01 0x01>;
+ device_type = "pci";
+ ranges = <0x82000000 0 0xe8000000
+ 0x82000000 0 0xe8000000
+ 0 0x4400000>;
+ reg = <0x00 0x00 0x00 0x00 0x00>;
+
+ dev@0,0 {
+ #address-cells = <0x03>;
+ #size-cells = <0x02>;
+ ranges = <0 0 0 0x82010000 0 0xe8000000 0 0x2000000>,
+ <1 0 0 0x82010000 0 0xea000000 0 0x1000000>,
+ <2 0 0 0x82010000 0 0xeb000000 0 0x0800000>,
+ <3 0 0 0x82010000 0 0xeb800000 0 0x0800000>,
+ <4 0 0 0x82010000 0 0xec000000 0 0x0020000>,
+ <5 0 0 0x82010000 0 0xec020000 0 0x0002000>;
+ reg = <0x10000 0x00 0x00 0x00 0x00>;
+
+ local-bus@0 {
+ #address-cells = <0x01>;
+ #size-cells = <0x01>;
+ ranges = <0xa0000000 0 0 0 0x2000000>,
+ <0xb0000000 1 0 0 0x1000000>;
+
+ dev@e0000000 {
+ reg = <0xa0001000 0x1000>,
+ <0xb0002000 0x2000>;
+ };
+ };
+ };
+ };
+ };
+ };
};
};
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index ad2b7879cc67..e9e90e96600e 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -1186,6 +1186,82 @@ static void __init of_unittest_reg(void)
of_node_put(np);
}
+struct of_unittest_expected_res {
+ int index;
+ struct resource res;
+};
+
+static void __init of_unittest_check_addr(const char *node_path,
+ const struct of_unittest_expected_res *tab_exp,
+ unsigned int tab_exp_count)
+{
+ const struct of_unittest_expected_res *expected;
+ struct device_node *np;
+ struct resource res;
+ unsigned int count;
+ int ret;
+
+ if (!IS_ENABLED(CONFIG_OF_ADDRESS))
+ return;
+
+ np = of_find_node_by_path(node_path);
+ if (!np) {
+ pr_err("missing testcase data (%s)\n", node_path);
+ return;
+ }
+
+ expected = tab_exp;
+ count = tab_exp_count;
+ while (count--) {
+ ret = of_address_to_resource(np, expected->index, &res);
+ unittest(!ret, "of_address_to_resource(%pOF, %d) returned error %d\n",
+ np, expected->index, ret);
+ unittest(resource_type(&res) == resource_type(&expected->res) &&
+ res.start == expected->res.start &&
+ resource_size(&res) == resource_size(&expected->res),
+ "of_address_to_resource(%pOF, %d) wrong resource %pR, expected %pR\n",
+ np, expected->index, &res, &expected->res);
+ expected++;
+ }
+
+ of_node_put(np);
+}
+
+static const struct of_unittest_expected_res of_unittest_reg_2cell_expected_res[] = {
+ {.index = 0, .res = DEFINE_RES_MEM(0xa0a01000, 0x100) },
+ {.index = 1, .res = DEFINE_RES_MEM(0xa0a02000, 0x100) },
+ {.index = 2, .res = DEFINE_RES_MEM(0xc0c01000, 0x100) },
+ {.index = 3, .res = DEFINE_RES_MEM(0xd0d01000, 0x100) },
+};
+
+static const struct of_unittest_expected_res of_unittest_reg_3cell_expected_res[] = {
+ {.index = 0, .res = DEFINE_RES_MEM(0xa0a01000, 0x100) },
+ {.index = 1, .res = DEFINE_RES_MEM(0xa0b02000, 0x100) },
+ {.index = 2, .res = DEFINE_RES_MEM(0xc0c01000, 0x100) },
+ {.index = 3, .res = DEFINE_RES_MEM(0xc0c09000, 0x100) },
+ {.index = 4, .res = DEFINE_RES_MEM(0xd0d01000, 0x100) },
+};
+
+static const struct of_unittest_expected_res of_unittest_reg_pci_expected_res[] = {
+ {.index = 0, .res = DEFINE_RES_MEM(0xe8001000, 0x1000) },
+ {.index = 1, .res = DEFINE_RES_MEM(0xea002000, 0x2000) },
+};
+
+static void __init of_unittest_translate_addr(void)
+{
+ of_unittest_check_addr("/testcase-data/address-tests2/bus-2cell@10000000/device@100000",
+ of_unittest_reg_2cell_expected_res,
+ ARRAY_SIZE(of_unittest_reg_2cell_expected_res));
+
+ of_unittest_check_addr("/testcase-data/address-tests2/bus-3cell@20000000/local-bus@100000/device@f1001000",
+ of_unittest_reg_3cell_expected_res,
+ ARRAY_SIZE(of_unittest_reg_3cell_expected_res));
+
+ of_unittest_check_addr("/testcase-data/address-tests2/pcie@d1070000/pci@0,0/dev@0,0/local-bus@0/dev@e0000000",
+ of_unittest_reg_pci_expected_res,
+ ARRAY_SIZE(of_unittest_reg_pci_expected_res));
+}
+
static void __init of_unittest_parse_interrupts(void)
{
struct device_node *np;
@@ -4034,6 +4110,7 @@ static int __init of_unittest(void)
of_unittest_bus_ranges();
of_unittest_bus_3cell_ranges();
of_unittest_reg();
+ of_unittest_translate_addr();
of_unittest_match_node();
of_unittest_platform_populate();
of_unittest_overlay();
generated by cgit (git 2.34.1) at 2024-06-03 14:43:37 +0000