5 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
morris	1c2cc5430e	global: bring up esp32s2(not beta)	2020-01-16 17:41:31 +08:00
wanglei	f3424afaab	bugfix: fix spi flash read when wrap enabled	2019-11-15 15:59:07 +00:00
Angus Gratton	18c5cfadae	Fix function prototypes	2019-08-13 17:14:16 +10:00
suda-morris	cc98b9ef60	add rom for esp32s2beta	2019-06-11 13:06:32 +08:00