1 /*
2 * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include <stdlib.h>
8 #include "spi_flash_chip_generic.h"
9 #include "spi_flash_defs.h"
10
spi_flash_chip_th_probe(esp_flash_t * chip,uint32_t flash_id)11 esp_err_t spi_flash_chip_th_probe(esp_flash_t *chip, uint32_t flash_id)
12 {
13 /* Check manufacturer and product IDs match our desired masks */
14 const uint8_t MFG_ID = 0xcd;
15 if (flash_id >> 16 != MFG_ID) {
16 return ESP_ERR_NOT_FOUND;
17 }
18
19 const uint16_t FLASH_ID_MASK = 0xFF00;
20 const uint16_t FLASH_ID_VALUE = 0x6000;
21 if ((flash_id & FLASH_ID_MASK) != FLASH_ID_VALUE) {
22 return ESP_ERR_NOT_FOUND;
23 }
24
25 return ESP_OK;
26 }
27
spi_flash_chip_th_get_caps(esp_flash_t * chip)28 spi_flash_caps_t spi_flash_chip_th_get_caps(esp_flash_t *chip)
29 {
30 spi_flash_caps_t caps_flags = 0;
31 // 32-bit-address flash is not supported
32 // flash-suspend is not supported
33 // flash read unique id.
34 caps_flags |= SPI_FLASH_CHIP_CAP_UNIQUE_ID;
35 return caps_flags;
36 }
37
38 static const char chip_name[] = "th";
39
40 // The th chip can use the functions for generic chips except from set read mode and probe,
41 // So we only replace these two functions.
42 const spi_flash_chip_t esp_flash_chip_th = {
43 .name = chip_name,
44 .timeout = &spi_flash_chip_generic_timeout,
45 .probe = spi_flash_chip_th_probe,
46 .reset = spi_flash_chip_generic_reset,
47 .detect_size = spi_flash_chip_generic_detect_size,
48 .erase_chip = spi_flash_chip_generic_erase_chip,
49 .erase_sector = spi_flash_chip_generic_erase_sector,
50 .erase_block = spi_flash_chip_generic_erase_block,
51 .sector_size = 4 * 1024,
52 .block_erase_size = 64 * 1024,
53
54 .get_chip_write_protect = spi_flash_chip_generic_get_write_protect,
55 .set_chip_write_protect = spi_flash_chip_generic_set_write_protect,
56
57 .num_protectable_regions = 0,
58 .protectable_regions = NULL,
59 .get_protected_regions = NULL,
60 .set_protected_regions = NULL,
61
62 .read = spi_flash_chip_generic_read,
63 .write = spi_flash_chip_generic_write,
64 .program_page = spi_flash_chip_generic_page_program,
65 .page_size = 256,
66 .write_encrypted = spi_flash_chip_generic_write_encrypted,
67
68 .wait_idle = spi_flash_chip_generic_wait_idle,
69 .set_io_mode = spi_flash_chip_generic_set_io_mode,
70 .get_io_mode = spi_flash_chip_generic_get_io_mode,
71
72 .read_reg = spi_flash_chip_generic_read_reg,
73 .yield = spi_flash_chip_generic_yield,
74 .sus_setup = spi_flash_chip_generic_suspend_cmd_conf,
75 .read_unique_id = spi_flash_chip_generic_read_unique_id,
76 .get_chip_caps = spi_flash_chip_th_get_caps,
77 .config_host_io_mode = spi_flash_chip_generic_config_host_io_mode,
78 };
79
