1 /*
2 * Copyright 2022 NXP
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <zephyr/sd/sdio.h>
8 #include <zephyr/device.h>
9 #include <zephyr/drivers/disk.h>
10 #include <zephyr/ztest.h>
11
12
13 static const struct device *sdhc_dev = DEVICE_DT_GET(DT_ALIAS(sdhc0));
14 static struct sd_card card;
15
16 /*
17 * Verify that SD stack can initialize an SDIO card.
18 * This test must run first, to ensure the card is initialized.
19 */
ZTEST(sd_stack,test_0_init)20 ZTEST(sd_stack, test_0_init)
21 {
22 int ret;
23
24 zassert_true(device_is_ready(sdhc_dev), "SDHC device is not ready");
25
26 ret = sd_is_card_present(sdhc_dev);
27 zassert_equal(ret, 1, "SD card not present in slot");
28
29 ret = sd_init(sdhc_dev, &card);
30 zassert_equal(ret, 0, "Card initialization failed");
31 }
32
33 /*
34 * Verify that a register read works. Given the custom nature of SDIO devices,
35 * we just read from the card common I/O area.
36 */
ZTEST(sd_stack,test_read)37 ZTEST(sd_stack, test_read)
38 {
39 int ret;
40 uint8_t reg = 0xFF;
41
42 /* Read from card common I/O area. */
43 ret = sdio_read_byte(&card.func0, SDIO_CCCR_CCCR, ®);
44 zassert_equal(ret, 0, "SD card read failed");
45 /* Check to make sure CCCR read actually returned valid data */
46 zassert_not_equal(reg, 0xFF, "CCCR read returned invalid data");
47 }
48
49 /* Simply dump the card configuration. */
ZTEST(sd_stack,test_card_config)50 ZTEST(sd_stack, test_card_config)
51 {
52 switch (card.card_voltage) {
53 case SD_VOL_1_2_V:
54 TC_PRINT("Card voltage: 1.2V\n");
55 break;
56 case SD_VOL_1_8_V:
57 TC_PRINT("Card voltage: 1.8V\n");
58 break;
59 case SD_VOL_3_0_V:
60 TC_PRINT("Card voltage: 3.0V\n");
61 break;
62 case SD_VOL_3_3_V:
63 TC_PRINT("Card voltage: 3.3V\n");
64 break;
65 default:
66 zassert_unreachable("Card voltage is not known value");
67 }
68 zassert_equal(card.status, CARD_INITIALIZED, "Card status is not OK");
69 switch (card.card_speed) {
70 case SD_TIMING_SDR12:
71 TC_PRINT("Card timing: SDR12\n");
72 break;
73 case SD_TIMING_SDR25:
74 TC_PRINT("Card timing: SDR25\n");
75 break;
76 case SD_TIMING_SDR50:
77 TC_PRINT("Card timing: SDR50\n");
78 break;
79 case SD_TIMING_SDR104:
80 TC_PRINT("Card timing: SDR104\n");
81 break;
82 case SD_TIMING_DDR50:
83 TC_PRINT("Card timing: DDR50\n");
84 break;
85 default:
86 zassert_unreachable("Card timing is not known value");
87 }
88 switch (card.type) {
89 case CARD_SDIO:
90 TC_PRINT("Card type: SDIO\n");
91 break;
92 case CARD_SDMMC:
93 TC_PRINT("Card type: SDMMC\n");
94 break;
95 case CARD_COMBO:
96 TC_PRINT("Card type: combo card\n");
97 break;
98 default:
99 zassert_unreachable("Card type is not known value");
100 }
101 if (card.sd_version >= SD_SPEC_VER3_0) {
102 TC_PRINT("Card spec: 3.0\n");
103 } else if (card.sd_version >= SD_SPEC_VER2_0) {
104 TC_PRINT("Card spec: 2.0\n");
105 } else if (card.sd_version >= SD_SPEC_VER1_1) {
106 TC_PRINT("Card spec: 1.1\n");
107 } else if (card.sd_version >= SD_SPEC_VER1_0) {
108 TC_PRINT("Card spec: 1.0\n");
109 } else {
110 zassert_unreachable("Card spec is unknown value");
111 }
112 }
113
114 ZTEST_SUITE(sd_stack, NULL, NULL, NULL, NULL, NULL);
115
