4 commits

Author	SHA1	Message	Date
Wangjialin	fad639f0d4	feature(psram): update psram initialization. ... 1. use spi functions in rom 2. remove unnecessary GPIO configurations. 3. remove unnecessary dummy settings. 4. enable dummy out function 5. flash and psram have independent timing setting registers. 6. no need to set 1.9v for LDO in 80Mhz 7. set IO driver ability to 1 by default. 8. no need to use GPIO matrix on esp32s2, IO MUX is recommended 9. enable spi clock mode and IO mode settings	2020-01-16 17:41:31 +08:00
wanglei	653d8b5bdd	update cache and spiram related files and bug fixes ... 1. remove speed dependency of SPIRAM 2. support wrap mode of cache, flash and SPIRAM 3. fix some bugs on cache modes support	2019-09-05 14:14:49 +08:00
Angus Gratton	18c5cfadae	Fix function prototypes	2019-08-13 17:14:16 +10:00
suda-morris	b146104885	add esp32s2beta component	2019-06-11 13:06:32 +08:00