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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 2019-10-10 11:55:16 +08:00
parent 83c87764f4
commit 9742acc33d
1 changed files with 3 additions and 1 deletions
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4
components/esp32/Kconfig
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@ -147,7 +147,7 @@ config SPIRAM_MEMTEST
config SPIRAM_CACHE_WORKAROUND
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"
help
Revision 1 of the ESP32 has a bug that can cause a write to PSRAM not to take place in some situations
@ -158,6 +158,8 @@ 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
with the workaround and located in flash instead.
The workaround is not required for ESP32 revision 3 and above.
config SPIRAM_BANKSWITCH_ENABLE
bool "Enable bank switching for >4MiB external RAM"
default y