Realtek switch SoC docs

longan register: EXT_SMI_ACCESS_CTRL

Details

Name
EXT_SMI_ACCESS_CTRL
Offset
cb9c
Feature
MAC_CONTROL

Fields

Name LSB Bits Description
DATA 16 16
MDC_FREQ 14 2
REG 9 5
PHYADDR 4 5
MDX_GPIO_SEL 3 1
  • 0b0: GPIO
  • 0b1: GPIO21 is MDC, GPIO22 is MDIO
RWOP 2 1
RCMD_FAIL 1 1
CMD 0 1