alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-08-09 20:41:14 +00:00
Code Issues Packages Projects Releases Wiki Activity

feat(spi_flash): Support configurable tSUS in flash suspend

Browse Source
This commit is contained in:
Cao Sen Miao
2023-10-19 11:37:20 +08:00
parent 8768c9231c
commit dcff5220a7
10 changed files with 93 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
components/spi_flash/esp_flash_spi_init.c
View File

@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -117,6 +117,7 @@ esp_flash_t *esp_flash_default_chip = NULL;
.auto_sus_en = true,\
.cs_setup = 1,\
}
#define TSUS_VAL_SUSPEND CONFIG_SPI_FLASH_SUSPEND_TSUS_VAL_US
#endif //!CONFIG_SPI_FLASH_AUTO_SUSPEND
#endif // Other target
@@ -356,6 +357,15 @@ esp_err_t esp_flash_init_default_chip(void)
cfg.clock_src_freq = spi_flash_ll_get_source_clock_freq_mhz(cfg.host_id);
#if CONFIG_SPI_FLASH_AUTO_SUSPEND
if (TSUS_VAL_SUSPEND > 400 || TSUS_VAL_SUSPEND < 20) {
// Assume that the tsus value cannot larger than 400 (because the performance might be really bad)
// And value cannot smaller than 20 (never see that small tsus value, might be wrong)
return ESP_ERR_INVALID_ARG;
}
cfg.tsus_val = TSUS_VAL_SUSPEND;
#endif // CONFIG_SPI_FLASH_AUTO_SUSPEND
//the host is already initialized, only do init for the data and load it to the host
esp_err_t err = memspi_host_init_pointers(&esp_flash_default_host, &cfg);
if (err != ESP_OK) {