1 // Copyright 2015-2021 Espressif Systems (Shanghai) PTE LTD
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include <stdlib.h>
16 #include "spi_flash_chip_generic.h"
17 #include "spi_flash_chip_gd.h"
18 #include "spi_flash_defs.h"
19
spi_flash_chip_boya_probe(esp_flash_t * chip,uint32_t flash_id)20 esp_err_t spi_flash_chip_boya_probe(esp_flash_t *chip, uint32_t flash_id)
21 {
22 /* Check manufacturer and product IDs match our desired masks */
23 const uint8_t MFG_ID = 0x68;
24 if (flash_id >> 16 != MFG_ID) {
25 return ESP_ERR_NOT_FOUND;
26 }
27
28 const uint16_t FLASH_ID_MASK = 0xFF00;
29 const uint16_t FLASH_ID_VALUE = 0x4000;
30 if ((flash_id & FLASH_ID_MASK) != FLASH_ID_VALUE) {
31 return ESP_ERR_NOT_FOUND;
32 }
33
34 return ESP_OK;
35 }
36
spi_flash_chip_boya_get_caps(esp_flash_t * chip)37 spi_flash_caps_t spi_flash_chip_boya_get_caps(esp_flash_t *chip)
38 {
39 spi_flash_caps_t caps_flags = 0;
40 // 32-bit-address flash is not supported
41 // flash-suspend is not supported
42 // flash read unique id.
43 caps_flags |= SPI_FLASH_CHIP_CAP_UNIQUE_ID;
44 return caps_flags;
45 }
46
47 static const char chip_name[] = "boya";
48
49 // The BOYA chip can use the functions for generic chips except from set read mode and probe,
50 // So we only replace these two functions.
51 const spi_flash_chip_t esp_flash_chip_boya = {
52 .name = chip_name,
53 .timeout = &spi_flash_chip_generic_timeout,
54 .probe = spi_flash_chip_boya_probe,
55 .reset = spi_flash_chip_generic_reset,
56 .detect_size = spi_flash_chip_generic_detect_size,
57 .erase_chip = spi_flash_chip_generic_erase_chip,
58 .erase_sector = spi_flash_chip_generic_erase_sector,
59 .erase_block = spi_flash_chip_generic_erase_block,
60 .sector_size = 4 * 1024,
61 .block_erase_size = 64 * 1024,
62
63 .get_chip_write_protect = spi_flash_chip_generic_get_write_protect,
64 .set_chip_write_protect = spi_flash_chip_generic_set_write_protect,
65
66 .num_protectable_regions = 0,
67 .protectable_regions = NULL,
68 .get_protected_regions = NULL,
69 .set_protected_regions = NULL,
70
71 .read = spi_flash_chip_generic_read,
72 .write = spi_flash_chip_generic_write,
73 .program_page = spi_flash_chip_generic_page_program,
74 .page_size = 256,
75 .write_encrypted = spi_flash_chip_generic_write_encrypted,
76
77 .wait_idle = spi_flash_chip_generic_wait_idle,
78 .set_io_mode = spi_flash_chip_generic_set_io_mode,
79 .get_io_mode = spi_flash_chip_generic_get_io_mode,
80
81 .read_reg = spi_flash_chip_generic_read_reg,
82 .yield = spi_flash_chip_generic_yield,
83 .sus_setup = spi_flash_chip_generic_suspend_cmd_conf,
84 .read_unique_id = spi_flash_chip_generic_read_unique_id,
85 .get_chip_caps = spi_flash_chip_boya_get_caps,
86 .config_host_io_mode = spi_flash_chip_generic_config_host_io_mode,
87 };
88
