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971617c3b7
While it is not yet understood why a TX underflow can easily occur for SGMII interfaces resulting in a TX wedge. It has been found that disabling/re-enabling the LMAC resolves the issue. Signed-off-by: Tim Harvey <tharvey@gateworks.com> Reviewed-by: Robert Jones <rjones@gateworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
264 lines
9.1 KiB
C
264 lines
9.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2015 Cavium, Inc.
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*/
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#ifndef THUNDER_BGX_H
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#define THUNDER_BGX_H
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/* PCI device ID */
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#define PCI_DEVICE_ID_THUNDER_BGX 0xA026
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#define PCI_DEVICE_ID_THUNDER_RGX 0xA054
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/* Subsystem device IDs */
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#define PCI_SUBSYS_DEVID_88XX_BGX 0xA126
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#define PCI_SUBSYS_DEVID_81XX_BGX 0xA226
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#define PCI_SUBSYS_DEVID_81XX_RGX 0xA254
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#define PCI_SUBSYS_DEVID_83XX_BGX 0xA326
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#define MAX_BGX_THUNDER 8 /* Max 2 nodes, 4 per node */
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#define MAX_BGX_PER_CN88XX 2
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#define MAX_BGX_PER_CN81XX 3 /* 2 BGXs + 1 RGX */
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#define MAX_BGX_PER_CN83XX 4
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#define MAX_LMAC_PER_BGX 4
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#define MAX_BGX_CHANS_PER_LMAC 16
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#define MAX_DMAC_PER_LMAC 8
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#define MAX_FRAME_SIZE 9216
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#define DEFAULT_PAUSE_TIME 0xFFFF
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#define BGX_ID_MASK 0x3
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#define LMAC_ID_MASK 0x3
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#define MAX_DMAC_PER_LMAC_TNS_BYPASS_MODE 2
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/* Registers */
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#define BGX_CMRX_CFG 0x00
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#define CMR_PKT_TX_EN BIT_ULL(13)
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#define CMR_PKT_RX_EN BIT_ULL(14)
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#define CMR_EN BIT_ULL(15)
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#define BGX_CMR_GLOBAL_CFG 0x08
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#define CMR_GLOBAL_CFG_FCS_STRIP BIT_ULL(6)
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#define BGX_CMRX_RX_ID_MAP 0x60
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#define BGX_CMRX_RX_STAT0 0x70
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#define BGX_CMRX_RX_STAT1 0x78
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#define BGX_CMRX_RX_STAT2 0x80
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#define BGX_CMRX_RX_STAT3 0x88
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#define BGX_CMRX_RX_STAT4 0x90
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#define BGX_CMRX_RX_STAT5 0x98
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#define BGX_CMRX_RX_STAT6 0xA0
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#define BGX_CMRX_RX_STAT7 0xA8
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#define BGX_CMRX_RX_STAT8 0xB0
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#define BGX_CMRX_RX_STAT9 0xB8
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#define BGX_CMRX_RX_STAT10 0xC0
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#define BGX_CMRX_RX_BP_DROP 0xC8
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#define BGX_CMRX_RX_DMAC_CTL 0x0E8
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#define BGX_CMRX_RX_FIFO_LEN 0x108
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#define BGX_CMR_RX_DMACX_CAM 0x200
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#define RX_DMACX_CAM_EN BIT_ULL(48)
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#define RX_DMACX_CAM_LMACID(x) (((u64)x) << 49)
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#define RX_DMAC_COUNT 32
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#define BGX_CMR_RX_STEERING 0x300
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#define RX_TRAFFIC_STEER_RULE_COUNT 8
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#define BGX_CMR_CHAN_MSK_AND 0x450
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#define BGX_CMR_BIST_STATUS 0x460
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#define BGX_CMR_RX_LMACS 0x468
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#define BGX_CMRX_TX_FIFO_LEN 0x518
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#define BGX_CMRX_TX_STAT0 0x600
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#define BGX_CMRX_TX_STAT1 0x608
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#define BGX_CMRX_TX_STAT2 0x610
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#define BGX_CMRX_TX_STAT3 0x618
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#define BGX_CMRX_TX_STAT4 0x620
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#define BGX_CMRX_TX_STAT5 0x628
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#define BGX_CMRX_TX_STAT6 0x630
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#define BGX_CMRX_TX_STAT7 0x638
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#define BGX_CMRX_TX_STAT8 0x640
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#define BGX_CMRX_TX_STAT9 0x648
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#define BGX_CMRX_TX_STAT10 0x650
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#define BGX_CMRX_TX_STAT11 0x658
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#define BGX_CMRX_TX_STAT12 0x660
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#define BGX_CMRX_TX_STAT13 0x668
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#define BGX_CMRX_TX_STAT14 0x670
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#define BGX_CMRX_TX_STAT15 0x678
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#define BGX_CMRX_TX_STAT16 0x680
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#define BGX_CMRX_TX_STAT17 0x688
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#define BGX_CMR_TX_LMACS 0x1000
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#define BGX_SPUX_CONTROL1 0x10000
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#define SPU_CTL_LOW_POWER BIT_ULL(11)
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#define SPU_CTL_LOOPBACK BIT_ULL(14)
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#define SPU_CTL_RESET BIT_ULL(15)
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#define BGX_SPUX_STATUS1 0x10008
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#define SPU_STATUS1_RCV_LNK BIT_ULL(2)
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#define BGX_SPUX_STATUS2 0x10020
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#define SPU_STATUS2_RCVFLT BIT_ULL(10)
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#define BGX_SPUX_BX_STATUS 0x10028
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#define SPU_BX_STATUS_RX_ALIGN BIT_ULL(12)
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#define BGX_SPUX_BR_STATUS1 0x10030
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#define SPU_BR_STATUS_BLK_LOCK BIT_ULL(0)
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#define SPU_BR_STATUS_RCV_LNK BIT_ULL(12)
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#define BGX_SPUX_BR_PMD_CRTL 0x10068
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#define SPU_PMD_CRTL_TRAIN_EN BIT_ULL(1)
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#define BGX_SPUX_BR_PMD_LP_CUP 0x10078
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#define BGX_SPUX_BR_PMD_LD_CUP 0x10088
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#define BGX_SPUX_BR_PMD_LD_REP 0x10090
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#define BGX_SPUX_FEC_CONTROL 0x100A0
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#define SPU_FEC_CTL_FEC_EN BIT_ULL(0)
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#define SPU_FEC_CTL_ERR_EN BIT_ULL(1)
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#define BGX_SPUX_AN_CONTROL 0x100C8
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#define SPU_AN_CTL_AN_EN BIT_ULL(12)
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#define SPU_AN_CTL_XNP_EN BIT_ULL(13)
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#define BGX_SPUX_AN_ADV 0x100D8
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#define BGX_SPUX_MISC_CONTROL 0x10218
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#define SPU_MISC_CTL_INTLV_RDISP BIT_ULL(10)
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#define SPU_MISC_CTL_RX_DIS BIT_ULL(12)
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#define BGX_SPUX_INT 0x10220 /* +(0..3) << 20 */
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#define BGX_SPUX_INT_W1S 0x10228
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#define BGX_SPUX_INT_ENA_W1C 0x10230
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#define BGX_SPUX_INT_ENA_W1S 0x10238
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#define BGX_SPU_DBG_CONTROL 0x10300
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#define SPU_DBG_CTL_AN_ARB_LINK_CHK_EN BIT_ULL(18)
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#define SPU_DBG_CTL_AN_NONCE_MCT_DIS BIT_ULL(29)
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#define BGX_SMUX_RX_INT 0x20000
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#define BGX_SMUX_RX_FRM_CTL 0x20020
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#define BGX_PKT_RX_PTP_EN BIT_ULL(12)
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#define BGX_SMUX_RX_JABBER 0x20030
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#define BGX_SMUX_RX_CTL 0x20048
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#define SMU_RX_CTL_STATUS (3ull << 0)
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#define BGX_SMUX_TX_APPEND 0x20100
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#define SMU_TX_APPEND_FCS_D BIT_ULL(2)
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#define BGX_SMUX_TX_PAUSE_PKT_TIME 0x20110
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#define BGX_SMUX_TX_MIN_PKT 0x20118
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#define BGX_SMUX_TX_PAUSE_PKT_INTERVAL 0x20120
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#define BGX_SMUX_TX_PAUSE_ZERO 0x20138
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#define BGX_SMUX_TX_INT 0x20140
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#define BGX_SMUX_TX_CTL 0x20178
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#define SMU_TX_CTL_DIC_EN BIT_ULL(0)
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#define SMU_TX_CTL_UNI_EN BIT_ULL(1)
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#define SMU_TX_CTL_LNK_STATUS (3ull << 4)
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#define BGX_SMUX_TX_THRESH 0x20180
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#define BGX_SMUX_CTL 0x20200
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#define SMU_CTL_RX_IDLE BIT_ULL(0)
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#define SMU_CTL_TX_IDLE BIT_ULL(1)
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#define BGX_SMUX_CBFC_CTL 0x20218
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#define RX_EN BIT_ULL(0)
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#define TX_EN BIT_ULL(1)
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#define BCK_EN BIT_ULL(2)
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#define DRP_EN BIT_ULL(3)
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#define BGX_GMP_PCS_MRX_CTL 0x30000
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#define PCS_MRX_CTL_RST_AN BIT_ULL(9)
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#define PCS_MRX_CTL_PWR_DN BIT_ULL(11)
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#define PCS_MRX_CTL_AN_EN BIT_ULL(12)
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#define PCS_MRX_CTL_LOOPBACK1 BIT_ULL(14)
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#define PCS_MRX_CTL_RESET BIT_ULL(15)
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#define BGX_GMP_PCS_MRX_STATUS 0x30008
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#define PCS_MRX_STATUS_LINK BIT_ULL(2)
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#define PCS_MRX_STATUS_AN_CPT BIT_ULL(5)
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#define BGX_GMP_PCS_ANX_ADV 0x30010
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#define BGX_GMP_PCS_ANX_AN_RESULTS 0x30020
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#define BGX_GMP_PCS_LINKX_TIMER 0x30040
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#define PCS_LINKX_TIMER_COUNT 0x1E84
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#define BGX_GMP_PCS_SGM_AN_ADV 0x30068
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#define BGX_GMP_PCS_MISCX_CTL 0x30078
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#define PCS_MISC_CTL_MODE BIT_ULL(8)
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#define PCS_MISC_CTL_DISP_EN BIT_ULL(13)
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#define PCS_MISC_CTL_GMX_ENO BIT_ULL(11)
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#define PCS_MISC_CTL_SAMP_PT_MASK 0x7Full
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#define BGX_GMP_GMI_PRTX_CFG 0x38020
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#define GMI_PORT_CFG_SPEED BIT_ULL(1)
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#define GMI_PORT_CFG_DUPLEX BIT_ULL(2)
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#define GMI_PORT_CFG_SLOT_TIME BIT_ULL(3)
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#define GMI_PORT_CFG_SPEED_MSB BIT_ULL(8)
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#define GMI_PORT_CFG_RX_IDLE BIT_ULL(12)
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#define GMI_PORT_CFG_TX_IDLE BIT_ULL(13)
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#define BGX_GMP_GMI_RXX_FRM_CTL 0x38028
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#define BGX_GMP_GMI_RXX_JABBER 0x38038
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#define BGX_GMP_GMI_TXX_THRESH 0x38210
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#define BGX_GMP_GMI_TXX_APPEND 0x38218
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#define BGX_GMP_GMI_TXX_SLOT 0x38220
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#define BGX_GMP_GMI_TXX_BURST 0x38228
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#define BGX_GMP_GMI_TXX_MIN_PKT 0x38240
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#define BGX_GMP_GMI_TXX_SGMII_CTL 0x38300
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#define BGX_GMP_GMI_TXX_INT 0x38500
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#define BGX_GMP_GMI_TXX_INT_W1S 0x38508
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#define BGX_GMP_GMI_TXX_INT_ENA_W1C 0x38510
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#define BGX_GMP_GMI_TXX_INT_ENA_W1S 0x38518
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#define GMI_TXX_INT_PTP_LOST BIT_ULL(4)
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#define GMI_TXX_INT_LATE_COL BIT_ULL(3)
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#define GMI_TXX_INT_XSDEF BIT_ULL(2)
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#define GMI_TXX_INT_XSCOL BIT_ULL(1)
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#define GMI_TXX_INT_UNDFLW BIT_ULL(0)
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#define BGX_MSIX_VEC_0_29_ADDR 0x400000 /* +(0..29) << 4 */
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#define BGX_MSIX_VEC_0_29_CTL 0x400008
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#define BGX_MSIX_PBA_0 0x4F0000
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/* MSI-X interrupts */
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#define BGX_MSIX_VECTORS 30
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#define BGX_LMAC_VEC_OFFSET 7
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#define BGX_MSIX_VEC_SHIFT 4
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#define CMRX_INT 0
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#define SPUX_INT 1
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#define SMUX_RX_INT 2
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#define SMUX_TX_INT 3
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#define GMPX_PCS_INT 4
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#define GMPX_GMI_RX_INT 5
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#define GMPX_GMI_TX_INT 6
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#define CMR_MEM_INT 28
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#define SPU_MEM_INT 29
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#define LMAC_INTR_LINK_UP BIT(0)
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#define LMAC_INTR_LINK_DOWN BIT(1)
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#define BGX_XCAST_BCAST_ACCEPT BIT(0)
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#define BGX_XCAST_MCAST_ACCEPT BIT(1)
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#define BGX_XCAST_MCAST_FILTER BIT(2)
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void bgx_set_dmac_cam_filter(int node, int bgx_idx, int lmacid, u64 mac, u8 vf);
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void bgx_reset_xcast_mode(int node, int bgx_idx, int lmacid, u8 vf);
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void bgx_set_xcast_mode(int node, int bgx_idx, int lmacid, u8 mode);
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void octeon_mdiobus_force_mod_depencency(void);
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void bgx_lmac_rx_tx_enable(int node, int bgx_idx, int lmacid, bool enable);
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void bgx_add_dmac_addr(u64 dmac, int node, int bgx_idx, int lmac);
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unsigned bgx_get_map(int node);
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int bgx_get_lmac_count(int node, int bgx);
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const u8 *bgx_get_lmac_mac(int node, int bgx_idx, int lmacid);
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void bgx_set_lmac_mac(int node, int bgx_idx, int lmacid, const u8 *mac);
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void bgx_get_lmac_link_state(int node, int bgx_idx, int lmacid, void *status);
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void bgx_lmac_internal_loopback(int node, int bgx_idx,
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int lmac_idx, bool enable);
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void bgx_config_timestamping(int node, int bgx_idx, int lmacid, bool enable);
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void bgx_lmac_get_pfc(int node, int bgx_idx, int lmacid, void *pause);
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void bgx_lmac_set_pfc(int node, int bgx_idx, int lmacid, void *pause);
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void xcv_init_hw(void);
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void xcv_setup_link(bool link_up, int link_speed);
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u64 bgx_get_rx_stats(int node, int bgx_idx, int lmac, int idx);
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u64 bgx_get_tx_stats(int node, int bgx_idx, int lmac, int idx);
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#define BGX_RX_STATS_COUNT 11
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#define BGX_TX_STATS_COUNT 18
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struct bgx_stats {
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u64 rx_stats[BGX_RX_STATS_COUNT];
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u64 tx_stats[BGX_TX_STATS_COUNT];
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};
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enum LMAC_TYPE {
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BGX_MODE_SGMII = 0, /* 1 lane, 1.250 Gbaud */
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BGX_MODE_XAUI = 1, /* 4 lanes, 3.125 Gbaud */
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BGX_MODE_DXAUI = 1, /* 4 lanes, 6.250 Gbaud */
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BGX_MODE_RXAUI = 2, /* 2 lanes, 6.250 Gbaud */
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BGX_MODE_XFI = 3, /* 1 lane, 10.3125 Gbaud */
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BGX_MODE_XLAUI = 4, /* 4 lanes, 10.3125 Gbaud */
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BGX_MODE_10G_KR = 3,/* 1 lane, 10.3125 Gbaud */
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BGX_MODE_40G_KR = 4,/* 4 lanes, 10.3125 Gbaud */
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BGX_MODE_RGMII = 5,
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BGX_MODE_QSGMII = 6,
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BGX_MODE_INVALID = 7,
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};
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#endif /* THUNDER_BGX_H */
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