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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 | /* * Copyright (c) 2024 Ambiq Micro Inc. <www.ambiq.com> * SPDX-License-Identifier: Apache-2.0 */ #include <zephyr/device.h> #include <zephyr/drivers/mspi.h> #include <zephyr/drivers/mspi_emul.h> #include <zephyr/drivers/flash.h> #include <zephyr/ztest.h> #define MSPI_BUS_NODE DT_ALIAS(mspi0) #define MSPI_FLASH_TEST_REGION_OFFSET 0x0 #define MSPI_FLASH_SECTOR_SIZE 4096 #define MSPI_FLASH_TEST_SIZE 3000 static const struct device *mspi_devices[] = { DT_FOREACH_CHILD_STATUS_OKAY_SEP(MSPI_BUS_NODE, DEVICE_DT_GET, (,)) }; static uint8_t expected[MSPI_FLASH_TEST_SIZE]; static uint8_t actual[MSPI_FLASH_TEST_SIZE]; static void prepare_test_pattern(uint32_t pattern_index, uint8_t *actualf, uint32_t len) { uint32_t *pui32TxPtr = (uint32_t *)actualf; uint8_t *pui8TxPtr = (uint8_t *)actualf; switch (pattern_index) { case 0: /* 0x5555AAAA */ for (uint32_t i = 0; i < len / 4; i++) { pui32TxPtr[i] = (0x5555AAAA); } break; case 1: /* 0xFFFF0000 */ for (uint32_t i = 0; i < len / 4; i++) { pui32TxPtr[i] = (0xFFFF0000); } break; case 2: /* walking */ for (uint32_t i = 0; i < len; i++) { pui8TxPtr[i] = 0x01 << (i % 8); } break; case 3: /* incremental from 1 */ for (uint32_t i = 0; i < len; i++) { pui8TxPtr[i] = ((i + 1) & 0xFF); } break; case 4: /* decremental from 0xff */ for (uint32_t i = 0; i < len; i++) { /* decrement starting from 0xff */ pui8TxPtr[i] = (0xff - i) & 0xFF; } break; default: /* incremental from 1 */ for (uint32_t i = 0; i < len; i++) { pui8TxPtr[i] = ((i + 1) & 0xFF); } break; } } static int test_multi_sector_rw(const struct device *flash_dev) { int rc = 0; const struct flash_pages_layout *layout = NULL; size_t layout_size = 0; size_t min_page_size = -1; size_t offs; TC_PRINT("\n===================================================================\n"); TC_PRINT("Perform test on multiple consequtive sectors on %s\n", flash_dev->name); TC_PRINT("\nTest 0: Get Flash page layout\n"); const struct flash_driver_api *api = flash_dev->api; api->page_layout(flash_dev, &layout, &layout_size); if (layout && layout_size) { TC_PRINT("----pages-------size----\n"); for (int i = 0; i < layout_size; ++i) { TC_PRINT("%2d: 0x%-8X 0x%-8x\n", i, layout[i].pages_count, layout[i].pages_size); min_page_size = MIN(min_page_size, layout[i].pages_size); } } else { TC_PRINT("Empty flash_pages_layout!\n"); return TC_FAIL; } TC_PRINT("\nPage size selected: %d\n", min_page_size); for (int i = 0; i < MSPI_FLASH_TEST_SIZE; i += min_page_size) { prepare_test_pattern(i % 5, expected + i, MIN(min_page_size, MSPI_FLASH_TEST_SIZE - i)); } TC_PRINT("\nTest 1: Flash erase\n"); /* Full flash erase if MSPI_FLASH_TEST_REGION_OFFSET = 0 and * MSPI_FLASH_SECTOR_SIZE = flash size * Erase 2 sectors for check for erase of consequtive sectors */ rc = flash_erase(flash_dev, MSPI_FLASH_TEST_REGION_OFFSET, MSPI_FLASH_SECTOR_SIZE * 2); if (rc != 0) { TC_PRINT("Flash erase failed! %d\n", rc); return TC_FAIL; } /* Read the content and check for erased */ memset(actual, 0, MSPI_FLASH_TEST_SIZE); offs = MSPI_FLASH_TEST_REGION_OFFSET; while (offs < MSPI_FLASH_TEST_REGION_OFFSET + 2 * MSPI_FLASH_SECTOR_SIZE) { rc = flash_read(flash_dev, offs, actual, MSPI_FLASH_TEST_SIZE); if (rc != 0) { TC_PRINT("Flash read failed! %d\n", rc); return TC_FAIL; } if (actual[0] != 0xff) { TC_PRINT("Flash erase failed at offset 0x%x got 0x%x\n", offs, actual[0]); return TC_FAIL; } offs += MSPI_FLASH_SECTOR_SIZE; } TC_PRINT("Flash erase succeeded!\n"); TC_PRINT("\nTest 2: Flash write\n"); offs = MSPI_FLASH_TEST_REGION_OFFSET; while (offs < MSPI_FLASH_TEST_REGION_OFFSET + 2 * MSPI_FLASH_SECTOR_SIZE) { TC_PRINT("\nAttempting to write %zu bytes at offset 0x%x\n", MSPI_FLASH_TEST_SIZE, offs); rc = flash_write(flash_dev, offs, expected, MSPI_FLASH_TEST_SIZE); if (rc != 0) { TC_PRINT("Flash write failed! %d\n", rc); return TC_FAIL; } memset(actual, 0, MSPI_FLASH_TEST_SIZE); rc = flash_read(flash_dev, offs, actual, MSPI_FLASH_TEST_SIZE); if (rc != 0) { TC_PRINT("Flash read failed! %d\n", rc); return TC_FAIL; } if (memcmp(expected, actual, MSPI_FLASH_TEST_SIZE) == 0) { TC_PRINT("Data read matches data written. Good!!\n"); } else { const uint8_t *wp = expected; const uint8_t *rp = actual; const uint8_t *rpe = rp + MSPI_FLASH_TEST_SIZE; int count = 0; TC_PRINT("Data read does not match data written!!\n"); while (rp < rpe) { if (*rp != *wp) { TC_PRINT("%08x wrote %02x read %02x MISMATCH\n", (uint32_t)(offs + (rp - actual)), *wp, *rp); count++; } if (count > 100) { TC_PRINT("Too many data mismatch!!\n"); break; } ++rp; ++wp; } return TC_FAIL; } offs += MSPI_FLASH_SECTOR_SIZE; } return TC_PASS; } ZTEST(mspi_flash, test_multi_sector_rw) { for (int idx = 0; idx < ARRAY_SIZE(mspi_devices); ++idx) { zassert_true(device_is_ready(mspi_devices[idx]), "flash%d is not ready", idx); zassert_true(test_multi_sector_rw(mspi_devices[idx]) == TC_PASS); } } ZTEST_SUITE(mspi_flash, NULL, NULL, NULL, NULL, NULL); |