Simon Glass | b2c1cac | 2014-02-26 15:59:21 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2013 Google, Inc |
| 3 | * |
| 4 | * SPDX-License-Identifier: GPL-2.0+ |
| 5 | */ |
| 6 | |
| 7 | #include <common.h> |
| 8 | #include <dm.h> |
| 9 | #include <errno.h> |
| 10 | #include <fdtdec.h> |
| 11 | #include <malloc.h> |
| 12 | #include <asm/io.h> |
| 13 | #include <dm/test.h> |
| 14 | #include <dm/root.h> |
| 15 | #include <dm/ut.h> |
| 16 | #include <dm/uclass-internal.h> |
| 17 | #include <dm/util.h> |
| 18 | |
| 19 | DECLARE_GLOBAL_DATA_PTR; |
| 20 | |
Heiko Schocher | b74fcb4 | 2014-05-22 12:43:05 +0200 | [diff] [blame] | 21 | static int testfdt_drv_ping(struct udevice *dev, int pingval, int *pingret) |
Simon Glass | b2c1cac | 2014-02-26 15:59:21 -0700 | [diff] [blame] | 22 | { |
| 23 | const struct dm_test_pdata *pdata = dev->platdata; |
| 24 | struct dm_test_priv *priv = dev_get_priv(dev); |
| 25 | |
| 26 | *pingret = pingval + pdata->ping_add; |
| 27 | priv->ping_total += *pingret; |
| 28 | |
| 29 | return 0; |
| 30 | } |
| 31 | |
| 32 | static const struct test_ops test_ops = { |
| 33 | .ping = testfdt_drv_ping, |
| 34 | }; |
| 35 | |
Heiko Schocher | b74fcb4 | 2014-05-22 12:43:05 +0200 | [diff] [blame] | 36 | static int testfdt_ofdata_to_platdata(struct udevice *dev) |
Simon Glass | b2c1cac | 2014-02-26 15:59:21 -0700 | [diff] [blame] | 37 | { |
| 38 | struct dm_test_pdata *pdata = dev_get_platdata(dev); |
| 39 | |
| 40 | pdata->ping_add = fdtdec_get_int(gd->fdt_blob, dev->of_offset, |
| 41 | "ping-add", -1); |
Simon Glass | a7bb08a | 2014-07-23 06:54:57 -0600 | [diff] [blame] | 42 | pdata->base = fdtdec_get_addr(gd->fdt_blob, dev->of_offset, |
| 43 | "ping-expect"); |
Simon Glass | b2c1cac | 2014-02-26 15:59:21 -0700 | [diff] [blame] | 44 | |
| 45 | return 0; |
| 46 | } |
| 47 | |
Heiko Schocher | b74fcb4 | 2014-05-22 12:43:05 +0200 | [diff] [blame] | 48 | static int testfdt_drv_probe(struct udevice *dev) |
Simon Glass | b2c1cac | 2014-02-26 15:59:21 -0700 | [diff] [blame] | 49 | { |
| 50 | struct dm_test_priv *priv = dev_get_priv(dev); |
| 51 | |
| 52 | priv->ping_total += DM_TEST_START_TOTAL; |
| 53 | |
| 54 | return 0; |
| 55 | } |
| 56 | |
Simon Glass | 767827a | 2014-06-11 23:29:45 -0600 | [diff] [blame] | 57 | static const struct udevice_id testfdt_ids[] = { |
Simon Glass | b2c1cac | 2014-02-26 15:59:21 -0700 | [diff] [blame] | 58 | { |
| 59 | .compatible = "denx,u-boot-fdt-test", |
| 60 | .data = DM_TEST_TYPE_FIRST }, |
| 61 | { |
| 62 | .compatible = "google,another-fdt-test", |
| 63 | .data = DM_TEST_TYPE_SECOND }, |
| 64 | { } |
| 65 | }; |
| 66 | |
| 67 | U_BOOT_DRIVER(testfdt_drv) = { |
| 68 | .name = "testfdt_drv", |
| 69 | .of_match = testfdt_ids, |
| 70 | .id = UCLASS_TEST_FDT, |
| 71 | .ofdata_to_platdata = testfdt_ofdata_to_platdata, |
| 72 | .probe = testfdt_drv_probe, |
| 73 | .ops = &test_ops, |
| 74 | .priv_auto_alloc_size = sizeof(struct dm_test_priv), |
| 75 | .platdata_auto_alloc_size = sizeof(struct dm_test_pdata), |
| 76 | }; |
| 77 | |
| 78 | /* From here is the testfdt uclass code */ |
Heiko Schocher | b74fcb4 | 2014-05-22 12:43:05 +0200 | [diff] [blame] | 79 | int testfdt_ping(struct udevice *dev, int pingval, int *pingret) |
Simon Glass | b2c1cac | 2014-02-26 15:59:21 -0700 | [diff] [blame] | 80 | { |
| 81 | const struct test_ops *ops = device_get_ops(dev); |
| 82 | |
| 83 | if (!ops->ping) |
| 84 | return -ENOSYS; |
| 85 | |
| 86 | return ops->ping(dev, pingval, pingret); |
| 87 | } |
| 88 | |
| 89 | UCLASS_DRIVER(testfdt) = { |
| 90 | .name = "testfdt", |
| 91 | .id = UCLASS_TEST_FDT, |
| 92 | }; |
| 93 | |
Simon Glass | 4071742 | 2014-07-23 06:55:18 -0600 | [diff] [blame] | 94 | int dm_check_devices(struct dm_test_state *dms, int num_devices) |
Simon Glass | b2c1cac | 2014-02-26 15:59:21 -0700 | [diff] [blame] | 95 | { |
Heiko Schocher | b74fcb4 | 2014-05-22 12:43:05 +0200 | [diff] [blame] | 96 | struct udevice *dev; |
Simon Glass | b2c1cac | 2014-02-26 15:59:21 -0700 | [diff] [blame] | 97 | int ret; |
| 98 | int i; |
| 99 | |
Simon Glass | b2c1cac | 2014-02-26 15:59:21 -0700 | [diff] [blame] | 100 | /* |
| 101 | * Now check that the ping adds are what we expect. This is using the |
| 102 | * ping-add property in each node. |
| 103 | */ |
Simon Glass | 4071742 | 2014-07-23 06:55:18 -0600 | [diff] [blame] | 104 | for (i = 0; i < num_devices; i++) { |
Simon Glass | b2c1cac | 2014-02-26 15:59:21 -0700 | [diff] [blame] | 105 | uint32_t base; |
| 106 | |
| 107 | ret = uclass_get_device(UCLASS_TEST_FDT, i, &dev); |
| 108 | ut_assert(!ret); |
| 109 | |
| 110 | /* |
Simon Glass | a7bb08a | 2014-07-23 06:54:57 -0600 | [diff] [blame] | 111 | * Get the 'ping-expect' property, which tells us what the |
| 112 | * ping add should be. We don't use the platdata because we |
| 113 | * want to test the code that sets that up |
| 114 | * (testfdt_drv_probe()). |
Simon Glass | b2c1cac | 2014-02-26 15:59:21 -0700 | [diff] [blame] | 115 | */ |
Simon Glass | a7bb08a | 2014-07-23 06:54:57 -0600 | [diff] [blame] | 116 | base = fdtdec_get_addr(gd->fdt_blob, dev->of_offset, |
| 117 | "ping-expect"); |
Simon Glass | b2c1cac | 2014-02-26 15:59:21 -0700 | [diff] [blame] | 118 | debug("dev=%d, base=%d: %s\n", i, base, |
| 119 | fdt_get_name(gd->fdt_blob, dev->of_offset, NULL)); |
| 120 | |
| 121 | ut_assert(!dm_check_operations(dms, dev, base, |
| 122 | dev_get_priv(dev))); |
| 123 | } |
| 124 | |
Simon Glass | 4071742 | 2014-07-23 06:55:18 -0600 | [diff] [blame] | 125 | return 0; |
| 126 | } |
| 127 | |
| 128 | /* Test that FDT-based binding works correctly */ |
| 129 | static int dm_test_fdt(struct dm_test_state *dms) |
| 130 | { |
| 131 | const int num_devices = 4; |
| 132 | struct udevice *dev; |
| 133 | struct uclass *uc; |
| 134 | int ret; |
| 135 | int i; |
| 136 | |
| 137 | ret = dm_scan_fdt(gd->fdt_blob, false); |
| 138 | ut_assert(!ret); |
| 139 | |
| 140 | ret = uclass_get(UCLASS_TEST_FDT, &uc); |
| 141 | ut_assert(!ret); |
| 142 | |
| 143 | /* These are num_devices compatible root-level device tree nodes */ |
| 144 | ut_asserteq(num_devices, list_count_items(&uc->dev_head)); |
| 145 | |
| 146 | /* Each should have no platdata / priv */ |
| 147 | for (i = 0; i < num_devices; i++) { |
| 148 | ret = uclass_find_device(UCLASS_TEST_FDT, i, &dev); |
| 149 | ut_assert(!ret); |
| 150 | ut_assert(!dev_get_priv(dev)); |
| 151 | ut_assert(!dev->platdata); |
| 152 | } |
| 153 | |
| 154 | ut_assertok(dm_check_devices(dms, num_devices)); |
| 155 | |
Simon Glass | b2c1cac | 2014-02-26 15:59:21 -0700 | [diff] [blame] | 156 | return 0; |
| 157 | } |
| 158 | DM_TEST(dm_test_fdt, 0); |
Simon Glass | fef72b7 | 2014-07-23 06:55:03 -0600 | [diff] [blame] | 159 | |
| 160 | static int dm_test_fdt_pre_reloc(struct dm_test_state *dms) |
| 161 | { |
| 162 | struct uclass *uc; |
| 163 | int ret; |
| 164 | |
| 165 | ret = dm_scan_fdt(gd->fdt_blob, true); |
| 166 | ut_assert(!ret); |
| 167 | |
| 168 | ret = uclass_get(UCLASS_TEST_FDT, &uc); |
| 169 | ut_assert(!ret); |
| 170 | |
| 171 | /* These is only one pre-reloc device */ |
| 172 | ut_asserteq(1, list_count_items(&uc->dev_head)); |
| 173 | |
| 174 | return 0; |
| 175 | } |
| 176 | DM_TEST(dm_test_fdt_pre_reloc, 0); |
Simon Glass | db6f020 | 2014-07-23 06:55:12 -0600 | [diff] [blame] | 177 | |
| 178 | /* Test that sequence numbers are allocated properly */ |
| 179 | static int dm_test_fdt_uclass_seq(struct dm_test_state *dms) |
| 180 | { |
| 181 | struct udevice *dev; |
| 182 | |
| 183 | /* A few basic santiy tests */ |
| 184 | ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 3, true, &dev)); |
| 185 | ut_asserteq_str("b-test", dev->name); |
| 186 | |
| 187 | ut_assertok(uclass_find_device_by_seq(UCLASS_TEST_FDT, 0, true, &dev)); |
| 188 | ut_asserteq_str("a-test", dev->name); |
| 189 | |
| 190 | ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 5, |
| 191 | true, &dev)); |
| 192 | ut_asserteq_ptr(NULL, dev); |
| 193 | |
| 194 | /* Test aliases */ |
| 195 | ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 6, &dev)); |
| 196 | ut_asserteq_str("e-test", dev->name); |
| 197 | |
| 198 | ut_asserteq(-ENODEV, uclass_find_device_by_seq(UCLASS_TEST_FDT, 7, |
| 199 | true, &dev)); |
| 200 | |
Simon Glass | 4071742 | 2014-07-23 06:55:18 -0600 | [diff] [blame] | 201 | /* |
| 202 | * Note that c-test nodes are not probed since it is not a top-level |
| 203 | * node |
| 204 | */ |
Simon Glass | db6f020 | 2014-07-23 06:55:12 -0600 | [diff] [blame] | 205 | ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 3, &dev)); |
| 206 | ut_asserteq_str("b-test", dev->name); |
| 207 | |
| 208 | /* |
| 209 | * d-test wants sequence number 3 also, but it can't have it because |
| 210 | * b-test gets it first. |
| 211 | */ |
| 212 | ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 2, &dev)); |
| 213 | ut_asserteq_str("d-test", dev->name); |
| 214 | |
| 215 | /* d-test actually gets 0 */ |
| 216 | ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 0, &dev)); |
| 217 | ut_asserteq_str("d-test", dev->name); |
| 218 | |
| 219 | /* initially no one wants seq 1 */ |
| 220 | ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_TEST_FDT, 1, |
| 221 | &dev)); |
| 222 | ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev)); |
| 223 | ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 1, &dev)); |
| 224 | |
| 225 | /* But now that it is probed, we can find it */ |
| 226 | ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 1, &dev)); |
| 227 | ut_asserteq_str("a-test", dev->name); |
| 228 | |
| 229 | return 0; |
| 230 | } |
| 231 | DM_TEST(dm_test_fdt_uclass_seq, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); |
Simon Glass | c1464ab | 2014-07-23 06:55:14 -0600 | [diff] [blame] | 232 | |
| 233 | /* Test that we can find a device by device tree offset */ |
| 234 | static int dm_test_fdt_offset(struct dm_test_state *dms) |
| 235 | { |
| 236 | const void *blob = gd->fdt_blob; |
| 237 | struct udevice *dev; |
| 238 | int node; |
| 239 | |
| 240 | node = fdt_path_offset(blob, "/e-test"); |
| 241 | ut_assert(node > 0); |
| 242 | ut_assertok(uclass_get_device_by_of_offset(UCLASS_TEST_FDT, node, |
| 243 | &dev)); |
| 244 | ut_asserteq_str("e-test", dev->name); |
| 245 | |
| 246 | /* This node should not be bound */ |
| 247 | node = fdt_path_offset(blob, "/junk"); |
| 248 | ut_assert(node > 0); |
| 249 | ut_asserteq(-ENODEV, uclass_get_device_by_of_offset(UCLASS_TEST_FDT, |
| 250 | node, &dev)); |
| 251 | |
| 252 | /* This is not a top level node so should not be probed */ |
Simon Glass | 4071742 | 2014-07-23 06:55:18 -0600 | [diff] [blame] | 253 | node = fdt_path_offset(blob, "/some-bus/c-test@5"); |
Simon Glass | c1464ab | 2014-07-23 06:55:14 -0600 | [diff] [blame] | 254 | ut_assert(node > 0); |
| 255 | ut_asserteq(-ENODEV, uclass_get_device_by_of_offset(UCLASS_TEST_FDT, |
| 256 | node, &dev)); |
| 257 | |
| 258 | return 0; |
| 259 | } |
Simon Glass | c1464ab | 2014-07-23 06:55:14 -0600 | [diff] [blame] | 260 | DM_TEST(dm_test_fdt_offset, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); |