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| author | Ian Moffett <ian@osmora.org> | 2025-07-14 16:30:06 -0400 |
|---|---|---|
| committer | Ian Moffett <ian@osmora.org> | 2025-07-14 16:30:06 -0400 |
| commit | 614ce21e1fe78fd1d82831310d2f8fa834feb96f (patch) | |
| tree | 07137ff7adc7ab239899f731e6781e7bfd9a1c91 /share | |
| parent | af7ca08dbdfcd1ce8f4a320db09d29919ca3c682 (diff) | |
docs: et131x: Add information about MAC regs
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'share')
| -rw-r--r-- | share/docs/hw/et131x.txt | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/share/docs/hw/et131x.txt b/share/docs/hw/et131x.txt index e1bc42b..26d2873 100644 --- a/share/docs/hw/et131x.txt +++ b/share/docs/hw/et131x.txt @@ -84,6 +84,77 @@ PCI BAR 0. if_stat [dword] (BAR[0] + 0x503C) station_addr1 [dword] (BAR[0] + 0x5040) station_addr2 [dword] (BAR[0] + 0x5044) + NOTES: + [REGISTER INFORMATION] + - cfg1: + First MAC configuration register. + - cfg2: + Second MAC configuration register. + - ipg: + MAC Interpacket Gap configuration register. + - hfdp: + MAC Half Duplex configuration register. + - max_fm_len: + Max packet length (bytes) sent through MAC without + truncation. + - mac_test: + MAC test registers + - mii_mgmt_cfg: + MAC MII Management Config register. + - mii_mgmt_cmd: + MAC MII Management Command register. + - mii_mgmt_ctrl: + MAC MII Management Control register. + - mii_mgmt_stat: + MAC MII Management Status register. + - mii_mgmt_indicator: + MAC MII Management Indicator register. + - if_ctrl: + MAC interface control register. + - station_addr1: + First MAC station address register. + - station_addr2: + Second MAC station address register. + [BITS] + ------------------------------------- + @ cfg1: + [bits 0]: TX enable + [bits 1]: Syncd TX enable + [bits 2]: RX enable + [bits 3]: Syncd TX enable + [bits 4]: TX flow + [bits 5]: RX flow + [bits 7:6]: Reserved + [bits 8]: Loopback + [bits 15:9]: Reserved + [bits 16]: Reset TX func + [bits 17]: Reset RX func + [bits 18]: Reset TX MC + [bits 19]: Reset RX MC + [bits 29:20]: Reserved + [bits 30]: Sim reset + [bits 31]: Soft reset + @ cfg2: + [bits 0]: Full-duplex + [bits 1]: CRC enable + [bits 2]: Pad CRC + [bits 3]: Unused (undefined) + [bits 4]: Length check + [bits 5]: Huge frame + [bits 7:6]: Reserved + [bits 9:8]: Interface mode + [bits 11:10]: Reserved + [bits 15:12]: Preamble + [bits 31:16]: Reserved + @ ipg: + [bits 7:0]: B2B IPG + [bits 15:8]: Minimum IFG enforce + [bits 22:16]: Non B2B IPG 2 + [bits 23]: Unused (undefined) + [bits 30:24]: Non B2B IPG 1 + [bits 31]: Reserved + ------------------------------------- + ------------------------------------------------------------------ ET131X REGISTER SPACE NOTES: |