alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-08-28 21:33:32 +00:00
Code Issues Packages Projects Releases Wiki Activity

spi_flash: Making XMC flash works more stable when brownout detected

Browse Source
This commit is contained in:
Cao Sen Miao
2022-05-30 16:49:19 +08:00
parent 890f046ee9
commit 6a2d3509dc
27 changed files with 261 additions and 134 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
components/bootloader_support/bootloader_flash/src/bootloader_flash.c
View File

@@ -730,3 +730,44 @@ esp_err_t IRAM_ATTR bootloader_flash_xmc_startup(void)
}
#endif //XMC_SUPPORT
FORCE_INLINE_ATTR void bootloader_mspi_reset(void)
{
#if CONFIG_IDF_TARGET_ESP32
SPI1.slave.sync_reset = 0;
SPI0.slave.sync_reset = 0;
SPI1.slave.sync_reset = 1;
SPI0.slave.sync_reset = 1;
SPI1.slave.sync_reset = 0;
SPI0.slave.sync_reset = 0;
#else
SPIMEM1.ctrl2.sync_reset = 0;
SPIMEM0.ctrl2.sync_reset = 0;
SPIMEM1.ctrl2.sync_reset = 1;
SPIMEM0.ctrl2.sync_reset = 1;
SPIMEM1.ctrl2.sync_reset = 0;
SPIMEM0.ctrl2.sync_reset = 0;
#endif
}
esp_err_t IRAM_ATTR bootloader_flash_reset_chip(void)
{
bootloader_mspi_reset();
// Seems that sync_reset cannot make host totally idle.'
// Sending an extra(useless) command to make the host idle in order to send reset command.
bootloader_execute_flash_command(0x05, 0, 0, 0);
#if CONFIG_IDF_TARGET_ESP32
if (SPI1.ext2.st != 0)
#elif CONFIG_IDF_TARGET_ESP32S2 || CONFIG_IDF_TARGET_ESP32S3
if (SPIMEM1.fsm.st != 0)
#else
if (SPIMEM1.fsm.spi0_mst_st != 0)
#endif
{
return ESP_FAIL;
}
bootloader_execute_flash_command(0x66, 0, 0, 0);
bootloader_execute_flash_command(0x99, 0, 0, 0);
return ESP_OK;
}