realtek-doc/RTL8218B.md
2025-06-26 18:01:31 +02:00

4.9 KiB

RTL8214FC/RTL8218B Register Layout

This is a sum up of what we got from the comments in the GPL sources. Additionally some SerDes registers where identified that work similar like the RTL838x/RTL839x built in SerDes.

Page Register Bits Feature Documentation
Page Register Bits PTP feature Absolute 0x1600
0x2C0 0x10 15:00 PTP_TIME_NSEC_L
0x2C0 0x11 15:00 PTP_TIME_NSEC_H
0x2C0 0x12 15:00 PTP_TIME_SEC_L
0x2C0 0x13 15:00 PTP_TIME_SEC_H
0x2C0 0x14 15:00 PTP_TIME_CFG_0
0x2C0 0x15 15:00 PTP_OTAG_TPID
0x2C0 0x16 15:00 PTP_ITAG_TPID
0x2C0 0x17 15:00 PTP_MAC_ADDR_L
0x2C1 0x10 15:00 PTP_MAC_ADDR_M
0x2C1 0x11 15:00 PTP_MAC_ADDR_H
0x2C1 0x12 15:00 PTP_TIME_NSEC_L_RO
0x2C1 0x13 15:00 PTP_TIME_NSEC_H_RO
0x2C1 0x14 15:00 PTP_TIME_SEC_L_RO
0x2C1 0x15 15:00 PTP_TIME_SEC_H_RO
0x2C1 0x16 15:00 PTP_TIME_CFG_1
0x2C1 0x17 15:00 PTP_TIME_INT_STS_P
Page Register Bits MAC SerDes 0 - page 0 Absolute 0x2020
0x404 0x10 15:15 DIS_RENWAY
0x404 0x10 14:14 BYP_8B10B
0x404 0x10 13:12 CDET
0x404 0x10 11:11 DIS_TMR_CMA
0x404 0x10 10:10 DIS_APX
0x404 0x10 09:09 INV_HSI
0x404 0x10 08:08 INV_HSO
0x404 0x10 07:06 SDS_SDET_DEG
0x404 0x10 05:05 CODEC_LPK
0x404 0x10 04:04 AFE_LPK
0x404 0x10 03:03 REMOTE_LPK
0x404 0x10 02:02 SDS_TX_DOWN
0x404 0x10 01:01 SDS_EN_RX
0x404 0x10 00:00 SDS_EN_TX
Page Register Bits MAC SerDes 0 - page 3 Absolute 0x2023
0x404 0x13 15:15 WR_SOFT_RSTB
0x404 0x13 14:14 USE_25M_CLK
0x404 0x13 13:13 MARK_CARR_EXT
0x404 0x13 12:12 SEL_DEG
0x404 0x13 11:08 REG_CALIB_OK_CNT
0x404 0x13 07:07 EXT_PWR_CTL
0x404 0x13 06:06 SOFT_RST Set to 1 then to 0 to run digital soft reset
0x404 0x13 05:05 CLR_SOFT_RSTB
0x404 0x13 04:00 CMA_RQ
Page Register Bits MAC SerDes 0 - page 4 Absolute 0x2024
0x404 0x14 15:13 CFG_FRC_SDS_MODE 0x6 = QSGMII
0x404 0x14 12:12 CFG_FRC_SDS_MODE_EN Enable SerDes forced mode
0x404 0x14 11:08 CFG_UPD_RXD
0x404 0x14 07:04 CFG_UPD_TXD
0x404 0x14 03:03 CFG_UPD_RXD_DYN
0x404 0x14 02:02 CFG_EN_LINK_FIB1G
0x404 0x14 01:01 CFG_EN_LINK_SGM
0x404 0x14 00:00 CFG_SGM_CK_SEL
Page Register Bits MAC SerDes 0 - page 7 Absolute 0x2027
0x404 0x17 15:15 CFG_8B10B_NO_CREXT
0x404 0x17 14:14 CFG_NEG_CLKWR_A2D
0x404 0x17 13:13 CFG_MIIXF_TS1K
0x404 0x17 12:12 CFG_DLY_PRE8
0x404 0x17 11:11 CFG_GRXD_SEL
0x404 0x17 10:10 CFG_LPI_CMD_MII
0x404 0x17 09:09 CFG_MARK_RXSCR_ERR
0x404 0x17 08:08 CFG_MARK_TXSCR_ERR
0x404 0x17 07:04 BYP_START
0x404 0x17 03:00 BYP_END
Page Register Bits MAC SerDes 1 - page 0 Absolute 0x2120
0x424 0x10 15:15 DIS_RENWAY
0x424 0x10 14:14 BYP_8B10B
0x424 0x10 13:12 CDET
0x424 0x10 11:11 DIS_TMR_CMA
0x424 0x10 10:10 DIS_APX
0x424 0x10 09:09 INV_HSI
0x424 0x10 08:08 INV_HSO
0x424 0x10 07:06 SDS_SDET_DEG
0x424 0x10 05:05 CODEC_LPK
0x424 0x10 04:04 AFE_LPK
0x424 0x10 03:03 REMOTE_LPK
0x424 0x10 02:02 SDS_TX_DOWN
0x424 0x10 01:01 SDS_EN_RX
0x424 0x10 00:00 SDS_EN_TX
Page Register Bits MAC SerDes 1 - page 3 Absolute 0x2123
0x424 0x13 15:15 WR_SOFT_RSTB
0x424 0x13 14:14 USE_25M_CLK
0x424 0x13 13:13 MARK_CARR_EXT
0x424 0x13 12:12 SEL_DEG
0x424 0x13 11:08 REG_CALIB_OK_CNT
0x424 0x13 07:07 EXT_PWR_CTL
0x424 0x13 06:06 SOFT_RST
0x424 0x13 05:05 CLR_SOFT_RSTB
0x424 0x13 04:00 CMA_RQ
Page Register Bits MAC SerDes 1 - page 4 Absolute 0x2124
0x424 0x14 15:13 CFG_FRC_SDS_MODE
0x424 0x14 12:12 CFG_FRC_SDS_MODE_EN
0x424 0x14 11:08 CFG_UPD_RXD
0x424 0x14 07:04 CFG_UPD_TXD
0x424 0x14 03:03 CFG_UPD_RXD_DYN
0x424 0x14 02:02 CFG_EN_LINK_FIB1G
0x424 0x14 01:01 CFG_EN_LINK_SGM
0x424 0x14 00:00 CFG_SGM_CK_SEL
Page Register Bits MAC SerDes 0 - page 7 Absolute 0x2127
0x424 0x17 15:15 CFG_8B10B_NO_CREXT
0x424 0x17 14:14 CFG_NEG_CLKWR_A2D
0x424 0x17 13:13 CFG_MIIXF_TS1K
0x424 0x17 12:12 CFG_DLY_PRE8
0x424 0x17 11:11 CFG_GRXD_SEL
0x424 0x17 10:10 CFG_LPI_CMD_MII
0x424 0x17 09:09 CFG_MARK_RXSCR_ERR
0x424 0x17 08:08 CFG_MARK_TXSCR_ERR
0x424 0x17 07:04 BYP_START
0x424 0x17 03:00 BYP_END
Page Register Bits Unknown CMU register Absolute 0x233c
0x467 0x14 15:0 UNKNOWN For CMU reset write 0x143d, 0x3c15, 0x3c17, 0x0000