3 commits

Author	SHA1	Message	Date
Ivan Grokhotkov	ab68b9d90d	soc,sdmmc: fix build failures when NDEBUG is used ... Use explicit error checking instead of asserts, use SOC_LOG to print error/warning messages where needed.	2018-10-15 14:57:12 +08:00
Ivan Grokhotkov	78fab8a0f9	sdmmc: implement partial DDR support ... Works for 3.3V eMMC in 4 line mode. Not implemented: - DDR mode for SD cards (UHS-I) also need voltage to be switched to 1.8V. - 8-line DDR mode for eMMC to be implemented later.	2018-08-30 13:11:54 +08:00
Ivan Grokhotkov	de42d99b1d	sdmmc: command layer refactoring	2018-08-30 13:11:54 +08:00