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make psram workaround depend on chip revison

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Since ESP32 revision 3, the PSRAM workaround is not needed.
This commit is contained in:
suda-morris
2019-09-26 17:32:20 +08:00
parent 83458426ac
commit b64bda7e4e
1 changed files with 3 additions and 1 deletions
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4
components/esp32/Kconfig
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@ -138,7 +138,7 @@ config SPIRAM_MEMTEST
config SPIRAM_CACHE_WORKAROUND config SPIRAM_CACHE_WORKAROUND
bool "Enable workaround for bug in SPI RAM cache for Rev1 ESP32s" bool "Enable workaround for bug in SPI RAM cache for Rev1 ESP32s"
depends on SPIRAM_USE_MEMMAP || SPIRAM_USE_CAPS_ALLOC || SPIRAM_USE_MALLOC depends on (SPIRAM_USE_MEMMAP || SPIRAM_USE_CAPS_ALLOC || SPIRAM_USE_MALLOC) && (ESP32_REV_MIN < 3)
default "y" default "y"
help help
Revision 1 of the ESP32 has a bug that can cause a write to PSRAM not to take place in some situations Revision 1 of the ESP32 has a bug that can cause a write to PSRAM not to take place in some situations
@ -149,6 +149,8 @@ config SPIRAM_CACHE_WORKAROUND
This will also not use any bits of newlib that are located in ROM, opting for a version that is compiled This will also not use any bits of newlib that are located in ROM, opting for a version that is compiled
with the workaround and located in flash instead. with the workaround and located in flash instead.
The workaround is not required for ESP32 revision 3 and above.
config SPIRAM_MALLOC_ALWAYSINTERNAL config SPIRAM_MALLOC_ALWAYSINTERNAL
int "Maximum malloc() size, in bytes, to always put in internal memory" int "Maximum malloc() size, in bytes, to always put in internal memory"
depends on SPIRAM_USE_MALLOC depends on SPIRAM_USE_MALLOC