/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */ /* Copyright 2017-2019 NXP */ #include /* ENETC device IDs */ #define ENETC_DEV_ID_PF 0xe100 #define ENETC_DEV_ID_VF 0xef00 #define ENETC_DEV_ID_PTP 0xee02 /* ENETC register block BAR */ #define ENETC_BAR_REGS 0 /** SI regs, offset: 0h */ #define ENETC_SIMR 0 #define ENETC_SIMR_EN BIT(31) #define ENETC_SIMR_RSSE BIT(0) #define ENETC_SICTR0 0x18 #define ENETC_SICTR1 0x1c #define ENETC_SIPCAPR0 0x20 #define ENETC_SIPCAPR0_PSFP BIT(9) #define ENETC_SIPCAPR0_RSS BIT(8) #define ENETC_SIPCAPR0_QBV BIT(4) #define ENETC_SIPCAPR0_QBU BIT(3) #define ENETC_SIPCAPR1 0x24 #define ENETC_SITGTGR 0x30 #define ENETC_SIRBGCR 0x38 /* cache attribute registers for transactions initiated by ENETC */ #define ENETC_SICAR0 0x40 #define ENETC_SICAR1 0x44 #define ENETC_SICAR2 0x48 /* rd snoop, no alloc * wr snoop, no alloc, partial cache line update for BDs and full cache line * update for data */ #define ENETC_SICAR_RD_COHERENT 0x2b2b0000 #define ENETC_SICAR_WR_COHERENT 0x00006727 #define ENETC_SICAR_MSI 0x00300030 /* rd/wr device, no snoop, no alloc */ #define ENETC_SIPMAR0 0x80 #define ENETC_SIPMAR1 0x84 /* VF-PF Message passing */ #define ENETC_DEFAULT_MSG_SIZE 1024 /* and max size */ /* msg size encoding: default and max msg value of 1024B encoded as 0 */ static inline u32 enetc_vsi_set_msize(u32 size) { return size < ENETC_DEFAULT_MSG_SIZE ? size >> 5 : 0; } #define ENETC_PSIMSGRR 0x204 #define ENETC_PSIMSGRR_MR_MASK GENMASK(2, 1) #define ENETC_PSIMSGRR_MR(n) BIT((n) + 1) /* n = VSI index */ #define ENETC_PSIVMSGRCVAR0(n) (0x210 + (n) * 0x8) /* n = VSI index */ #define ENETC_PSIVMSGRCVAR1(n) (0x214 + (n) * 0x8) #define ENETC_VSIMSGSR 0x204 /* RO */ #define ENETC_VSIMSGSR_MB BIT(0) #define ENETC_VSIMSGSR_MS BIT(1) #define ENETC_VSIMSGSNDAR0 0x210 #define ENETC_VSIMSGSNDAR1 0x214 #define ENETC_SIMSGSR_SET_MC(val) ((val) << 16) #define ENETC_SIMSGSR_GET_MC(val) ((val) >> 16) /* SI statistics */ #define ENETC_SIROCT 0x300 #define ENETC_SIRFRM 0x308 #define ENETC_SIRUCA 0x310 #define ENETC_SIRMCA 0x318 #define ENETC_SITOCT 0x320 #define ENETC_SITFRM 0x328 #define ENETC_SITUCA 0x330 #define ENETC_SITMCA 0x338 #define ENETC_RBDCR(n) (0x8180 + (n) * 0x200) /* Control BDR regs */ #define ENETC_SICBDRMR 0x800 #define ENETC_SICBDRSR 0x804 /* RO */ #define ENETC_SICBDRBAR0 0x810 #define ENETC_SICBDRBAR1 0x814 #define ENETC_SICBDRPIR 0x818 #define ENETC_SICBDRCIR 0x81c #define ENETC_SICBDRLENR 0x820 #define ENETC_SICAPR0 0x900 #define ENETC_SICAPR1 0x904 #define ENETC_PSIIER 0xa00 #define ENETC_PSIIER_MR_MASK GENMASK(2, 1) #define ENETC_PSIIDR 0xa08 #define ENETC_SITXIDR 0xa18 #define ENETC_SIRXIDR 0xa28 #define ENETC_SIMSIVR 0xa30 #define ENETC_SIMSITRV(n) (0xB00 + (n) * 0x4) #define ENETC_SIMSIRRV(n) (0xB80 + (n) * 0x4) #define ENETC_SIUEFDCR 0xe28 #define ENETC_SIRFSCAPR 0x1200 #define ENETC_SIRFSCAPR_GET_NUM_RFS(val) ((val) & 0x7f) #define ENETC_SIRSSCAPR 0x1600 #define ENETC_SIRSSCAPR_GET_NUM_RSS(val) (BIT((val) & 0xf) * 32) /** SI BDR sub-blocks, n = 0..7 */ enum enetc_bdr_type {TX, RX}; #define ENETC_BDR_OFF(i) ((i) * 0x200) #define ENETC_BDR(t, i, r) (0x8000 + (t) * 0x100 + ENETC_BDR_OFF(i) + (r)) /* RX BDR reg offsets */ #define ENETC_RBMR 0 #define ENETC_RBMR_BDS BIT(2) #define ENETC_RBMR_CM BIT(4) #define ENETC_RBMR_VTE BIT(5) #define ENETC_RBMR_EN BIT(31) #define ENETC_RBSR 0x4 #define ENETC_RBBSR 0x8 #define ENETC_RBCIR 0xc #define ENETC_RBBAR0 0x10 #define ENETC_RBBAR1 0x14 #define ENETC_RBPIR 0x18 #define ENETC_RBLENR 0x20 #define ENETC_RBIER 0xa0 #define ENETC_RBIER_RXTIE BIT(0) #define ENETC_RBIDR 0xa4 #define ENETC_RBICR0 0xa8 #define ENETC_RBICR0_ICEN BIT(31) #define ENETC_RBICR0_ICPT_MASK 0x1ff #define ENETC_RBICR0_SET_ICPT(n) ((n) & ENETC_RBICR0_ICPT_MASK) #define ENETC_RBICR1 0xac /* TX BDR reg offsets */ #define ENETC_TBMR 0 #define ENETC_TBSR_BUSY BIT(0) #define ENETC_TBMR_VIH BIT(9) #define ENETC_TBMR_PRIO_MASK GENMASK(2, 0) #define ENETC_TBMR_SET_PRIO(val) ((val) & ENETC_TBMR_PRIO_MASK) #define ENETC_TBMR_EN BIT(31) #define ENETC_TBSR 0x4 #define ENETC_TBBAR0 0x10 #define ENETC_TBBAR1 0x14 #define ENETC_TBPIR 0x18 #define ENETC_TBCIR 0x1c #define ENETC_TBCIR_IDX_MASK 0xffff #define ENETC_TBLENR 0x20 #define ENETC_TBIER 0xa0 #define ENETC_TBIER_TXTIE BIT(0) #define ENETC_TBIDR 0xa4 #define ENETC_TBICR0 0xa8 #define ENETC_TBICR0_ICEN BIT(31) #define ENETC_TBICR0_ICPT_MASK 0xf #define ENETC_TBICR0_SET_ICPT(n) ((ilog2(n) + 1) & ENETC_TBICR0_ICPT_MASK) #define ENETC_TBICR1 0xac #define ENETC_RTBLENR_LEN(n) ((n) & ~0x7) /* Port regs, offset: 1_0000h */ #define ENETC_PORT_BASE 0x10000 #define ENETC_PMR 0x0000 #define ENETC_PMR_EN GENMASK(18, 16) #define ENETC_PMR_PSPEED_MASK GENMASK(11, 8) #define ENETC_PMR_PSPEED_10M 0 #define ENETC_PMR_PSPEED_100M BIT(8) #define ENETC_PMR_PSPEED_1000M BIT(9) #define ENETC_PMR_PSPEED_2500M BIT(10) #define ENETC_PSR 0x0004 /* RO */ #define ENETC_PSIPMR 0x0018 #define ENETC_PSIPMR_SET_UP(n) BIT(n) /* n = SI index */ #define ENETC_PSIPMR_SET_MP(n) BIT((n) + 16) #define ENETC_PSIPVMR 0x001c #define ENETC_VLAN_PROMISC_MAP_ALL 0x7 #define ENETC_PSIPVMR_SET_VP(simap) ((simap) & 0x7) #define ENETC_PSIPVMR_SET_VUTA(simap) (((simap) & 0x7) << 16) #define ENETC_PSIPMAR0(n) (0x0100 + (n) * 0x8) /* n = SI index */ #define ENETC_PSIPMAR1(n) (0x0104 + (n) * 0x8) #define ENETC_PVCLCTR 0x0208 #define ENETC_PCVLANR1 0x0210 #define ENETC_PCVLANR2 0x0214 #define ENETC_VLAN_TYPE_C BIT(0) #define ENETC_VLAN_TYPE_S BIT(1) #define ENETC_PVCLCTR_OVTPIDL(bmp) ((bmp) & 0xff) /* VLAN_TYPE */ #define ENETC_PSIVLANR(n) (0x0240 + (n) * 4) /* n = SI index */ #define ENETC_PSIVLAN_EN BIT(31) #define ENETC_PSIVLAN_SET_QOS(val) ((u32)(val) << 12) #define ENETC_PPAUONTR 0x0410 #define ENETC_PPAUOFFTR 0x0414 #define ENETC_PTXMBAR 0x0608 #define ENETC_PCAPR0 0x0900 #define ENETC_PCAPR0_RXBDR(val) ((val) >> 24) #define ENETC_PCAPR0_TXBDR(val) (((val) >> 16) & 0xff) #define ENETC_PCAPR1 0x0904 #define ENETC_PSICFGR0(n) (0x0940 + (n) * 0xc) /* n = SI index */ #define ENETC_PSICFGR0_SET_TXBDR(val) ((val) & 0xff) #define ENETC_PSICFGR0_SET_RXBDR(val) (((val) & 0xff) << 16) #define ENETC_PSICFGR0_VTE BIT(12) #define ENETC_PSICFGR0_SIVIE BIT(14) #define ENETC_PSICFGR0_ASE BIT(15) #define ENETC_PSICFGR0_SIVC(bmp) (((bmp) & 0xff) << 24) /* VLAN_TYPE */ #define ENETC_PTCCBSR0(n) (0x1110 + (n) * 8) /* n = 0 to 7*/ #define ENETC_CBSE BIT(31) #define ENETC_CBS_BW_MASK GENMASK(6, 0) #define ENETC_PTCCBSR1(n) (0x1114 + (n) * 8) /* n = 0 to 7*/ #define ENETC_RSSHASH_KEY_SIZE 40 #define ENETC_PRSSCAPR 0x1404 #define ENETC_PRSSCAPR_GET_NUM_RSS(val) (BIT((val) & 0xf) * 32) #define ENETC_PRSSK(n) (0x1410 + (n) * 4) /* n = [0..9] */ #define ENETC_PSIVLANFMR 0x1700 #define ENETC_PSIVLANFMR_VS BIT(0) #define ENETC_PRFSMR 0x1800 #define ENETC_PRFSMR_RFSE BIT(31) #define ENETC_PRFSCAPR 0x1804 #define ENETC_PRFSCAPR_GET_NUM_RFS(val) ((((val) & 0xf) + 1) * 16) #define ENETC_PSIRFSCFGR(n) (0x1814 + (n) * 4) /* n = SI index */ #define ENETC_PFPMR 0x1900 #define ENETC_PFPMR_PMACE BIT(1) #define ENETC_EMDIO_BASE 0x1c00 #define ENETC_PSIUMHFR0(n, err) (((err) ? 0x1d08 : 0x1d00) + (n) * 0x10) #define ENETC_PSIUMHFR1(n) (0x1d04 + (n) * 0x10) #define ENETC_PSIMMHFR0(n, err) (((err) ? 0x1d00 : 0x1d08) + (n) * 0x10) #define ENETC_PSIMMHFR1(n) (0x1d0c + (n) * 0x10) #define ENETC_PSIVHFR0(n) (0x1e00 + (n) * 8) /* n = SI index */ #define ENETC_PSIVHFR1(n) (0x1e04 + (n) * 8) /* n = SI index */ #define ENETC_MMCSR 0x1f00 #define ENETC_MMCSR_LINK_FAIL BIT(31) #define ENETC_MMCSR_VT_MASK GENMASK(29, 23) /* Verify Time */ #define ENETC_MMCSR_VT(x) (((x) << 23) & ENETC_MMCSR_VT_MASK) #define ENETC_MMCSR_GET_VT(x) (((x) & ENETC_MMCSR_VT_MASK) >> 23) #define ENETC_MMCSR_TXSTS_MASK GENMASK(22, 21) /* Merge Status */ #define ENETC_MMCSR_GET_TXSTS(x) (((x) & ENETC_MMCSR_TXSTS_MASK) >> 21) #define ENETC_MMCSR_VSTS_MASK GENMASK(20, 18) /* Verify Status */ #define ENETC_MMCSR_GET_VSTS(x) (((x) & ENETC_MMCSR_VSTS_MASK) >> 18) #define ENETC_MMCSR_VDIS BIT(17) /* Verify Disabled */ #define ENETC_MMCSR_ME BIT(16) /* Merge Enabled */ #define ENETC_MMCSR_RAFS_MASK GENMASK(9, 8) /* Remote Additional Fragment Size */ #define ENETC_MMCSR_RAFS(x) (((x) << 8) & ENETC_MMCSR_RAFS_MASK) #define ENETC_MMCSR_GET_RAFS(x) (((x) & ENETC_MMCSR_RAFS_MASK) >> 8) #define ENETC_MMCSR_LAFS_MASK GENMASK(4, 3) /* Local Additional Fragment Size */ #define ENETC_MMCSR_GET_LAFS(x) (((x) & ENETC_MMCSR_LAFS_MASK) >> 3) #define ENETC_MMCSR_LPA BIT(2) /* Local Preemption Active */ #define ENETC_MMCSR_LPE BIT(1) /* Local Preemption Enabled */ #define ENETC_MMCSR_LPS BIT(0) /* Local Preemption Supported */ #define ENETC_MMFAECR 0x1f08 #define ENETC_MMFSECR 0x1f0c #define ENETC_MMFAOCR 0x1f10 #define ENETC_MMFCRXR 0x1f14 #define ENETC_MMFCTXR 0x1f18 #define ENETC_MMHCR 0x1f1c #define ENETC_PTCMSDUR(n) (0x2020 + (n) * 4) /* n = TC index [0..7] */ #define ENETC_PMAC_OFFSET 0x1000 #define ENETC_PM0_CMD_CFG 0x8008 #define ENETC_PM0_TX_EN BIT(0) #define ENETC_PM0_RX_EN BIT(1) #define ENETC_PM0_PROMISC BIT(4) #define ENETC_PM0_PAUSE_IGN BIT(8) #define ENETC_PM0_CMD_XGLP BIT(10) #define ENETC_PM0_CMD_TXP BIT(11) #define ENETC_PM0_CMD_PHY_TX_EN BIT(15) #define ENETC_PM0_CMD_SFD BIT(21) #define ENETC_PM0_MAXFRM 0x8014 #define ENETC_SET_TX_MTU(val) ((val) << 16) #define ENETC_SET_MAXFRM(val) ((val) & 0xffff) #define ENETC_PM0_RX_FIFO 0x801c #define ENETC_PM0_RX_FIFO_VAL 1 #define ENETC_PM_IMDIO_BASE 0x8030 #define ENETC_PM0_PAUSE_QUANTA 0x8054 #define ENETC_PM0_PAUSE_THRESH 0x8064 #define ENETC_PM0_SINGLE_STEP 0x80c0 #define ENETC_PM0_SINGLE_STEP_CH BIT(7) #define ENETC_PM0_SINGLE_STEP_EN BIT(31) #define ENETC_SET_SINGLE_STEP_OFFSET(v) (((v) & 0xff) << 8) #define ENETC_PM0_IF_MODE 0x8300 #define ENETC_PM0_IFM_RG BIT(2) #define ENETC_PM0_IFM_RLP (BIT(5) | BIT(11)) #define ENETC_PM0_IFM_EN_AUTO BIT(15) #define ENETC_PM0_IFM_SSP_MASK GENMASK(14, 13) #define ENETC_PM0_IFM_SSP_1000 (2 << 13) #define ENETC_PM0_IFM_SSP_100 (0 << 13) #define ENETC_PM0_IFM_SSP_10 (1 << 13) #define ENETC_PM0_IFM_FULL_DPX BIT(12) #define ENETC_PM0_IFM_IFMODE_MASK GENMASK(1, 0) #define ENETC_PM0_IFM_IFMODE_XGMII 0 #define ENETC_PM0_IFM_IFMODE_GMII 2 #define ENETC_PSIDCAPR 0x1b08 #define ENETC_PSIDCAPR_MSK GENMASK(15, 0) #define ENETC_PSFCAPR 0x1b18 #define ENETC_PSFCAPR_MSK GENMASK(15, 0) #define ENETC_PSGCAPR 0x1b28 #define ENETC_PSGCAPR_GCL_MSK GENMASK(18, 16) #define ENETC_PSGCAPR_SGIT_MSK GENMASK(15, 0) #define ENETC_PFMCAPR 0x1b38 #define ENETC_PFMCAPR_MSK GENMASK(15, 0) /* Port MAC counters: Port MAC 0 corresponds to the eMAC and * Port MAC 1 to the pMAC. */ #define ENETC_PM_REOCT(mac) (0x8100 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_RALN(mac) (0x8110 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_RXPF(mac) (0x8118 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_RFRM(mac) (0x8120 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_RFCS(mac) (0x8128 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_RVLAN(mac) (0x8130 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_RERR(mac) (0x8138 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_RUCA(mac) (0x8140 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_RMCA(mac) (0x8148 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_RBCA(mac) (0x8150 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_RDRP(mac) (0x8158 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_RPKT(mac) (0x8160 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_RUND(mac) (0x8168 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_R64(mac) (0x8170 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_R127(mac) (0x8178 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_R255(mac) (0x8180 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_R511(mac) (0x8188 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_R1023(mac) (0x8190 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_R1522(mac) (0x8198 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_R1523X(mac) (0x81A0 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_ROVR(mac) (0x81A8 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_RJBR(mac) (0x81B0 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_RFRG(mac) (0x81B8 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_RCNP(mac) (0x81C0 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_RDRNTP(mac) (0x81C8 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_TEOCT(mac) (0x8200 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_TOCT(mac) (0x8208 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_TCRSE(mac) (0x8210 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_TXPF(mac) (0x8218 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_TFRM(mac) (0x8220 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_TFCS(mac) (0x8228 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_TVLAN(mac) (0x8230 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_TERR(mac) (0x8238 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_TUCA(mac) (0x8240 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_TMCA(mac) (0x8248 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_TBCA(mac) (0x8250 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_TPKT(mac) (0x8260 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_TUND(mac) (0x8268 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_T64(mac) (0x8270 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_T127(mac) (0x8278 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_T255(mac) (0x8280 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_T511(mac) (0x8288 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_T1023(mac) (0x8290 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_T1522(mac) (0x8298 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_T1523X(mac) (0x82A0 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_TCNP(mac) (0x82C0 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_TDFR(mac) (0x82D0 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_TMCOL(mac) (0x82D8 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_TSCOL(mac) (0x82E0 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_TLCOL(mac) (0x82E8 + ENETC_PMAC_OFFSET * (mac)) #define ENETC_PM_TECOL(mac) (0x82F0 + ENETC_PMAC_OFFSET * (mac)) /* Port counters */ #define ENETC_PICDR(n) (0x0700 + (n) * 8) /* n = [0..3] */ #define ENETC_PBFDSIR 0x0810 #define ENETC_PFDMSAPR 0x0814 #define ENETC_UFDMF 0x1680 #define ENETC_MFDMF 0x1684 #define ENETC_PUFDVFR 0x1780 #define ENETC_PMFDVFR 0x1784 #define ENETC_PBFDVFR 0x1788 /** Global regs, offset: 2_0000h */ #define ENETC_GLOBAL_BASE 0x20000 #define ENETC_G_EIPBRR0 0x0bf8 #define ENETC_G_EIPBRR1 0x0bfc #define ENETC_G_EPFBLPR(n) (0xd00 + 4 * (n)) #define ENETC_G_EPFBLPR1_XGMII 0x80000000 /* PCI device info */ struct enetc_hw { /* SI registers, used by all PCI functions */ void __iomem *reg; /* Port registers, PF only */ void __iomem *port; /* IP global registers, PF only */ void __iomem *global; }; /* ENETC register accessors */ /* MDIO issue workaround (on LS1028A) - * Due to a hardware issue, an access to MDIO registers * that is concurrent with other ENETC register accesses * may lead to the MDIO access being dropped or corrupted. * To protect the MDIO accesses a readers-writers locking * scheme is used, where the MDIO register accesses are * protected by write locks to insure exclusivity, while * the remaining ENETC registers are accessed under read * locks since they only compete with MDIO accesses. */ extern rwlock_t enetc_mdio_lock; /* use this locking primitive only on the fast datapath to * group together multiple non-MDIO register accesses to * minimize the overhead of the lock */ static inline void enetc_lock_mdio(void) { read_lock(&enetc_mdio_lock); } static inline void enetc_unlock_mdio(void) { read_unlock(&enetc_mdio_lock); } /* use these accessors only on the fast datapath under * the enetc_lock_mdio() locking primitive to minimize * the overhead of the lock */ static inline u32 enetc_rd_reg_hot(void __iomem *reg) { lockdep_assert_held(&enetc_mdio_lock); return ioread32(reg); } static inline void enetc_wr_reg_hot(void __iomem *reg, u32 val) { lockdep_assert_held(&enetc_mdio_lock); iowrite32(val, reg); } /* internal helpers for the MDIO w/a */ static inline u32 _enetc_rd_reg_wa(void __iomem *reg) { u32 val; enetc_lock_mdio(); val = ioread32(reg); enetc_unlock_mdio(); return val; } static inline void _enetc_wr_reg_wa(void __iomem *reg, u32 val) { enetc_lock_mdio(); iowrite32(val, reg); enetc_unlock_mdio(); } static inline u32 _enetc_rd_mdio_reg_wa(void __iomem *reg) { unsigned long flags; u32 val; write_lock_irqsave(&enetc_mdio_lock, flags); val = ioread32(reg); write_unlock_irqrestore(&enetc_mdio_lock, flags); return val; } static inline void _enetc_wr_mdio_reg_wa(void __iomem *reg, u32 val) { unsigned long flags; write_lock_irqsave(&enetc_mdio_lock, flags); iowrite32(val, reg); write_unlock_irqrestore(&enetc_mdio_lock, flags); } #ifdef ioread64 static inline u64 _enetc_rd_reg64(void __iomem *reg) { return ioread64(reg); } #else /* using this to read out stats on 32b systems */ static inline u64 _enetc_rd_reg64(void __iomem *reg) { u32 low, high, tmp; do { high = ioread32(reg + 4); low = ioread32(reg); tmp = ioread32(reg + 4); } while (high != tmp); return le64_to_cpu((__le64)high << 32 | low); } #endif static inline u64 _enetc_rd_reg64_wa(void __iomem *reg) { u64 val; enetc_lock_mdio(); val = _enetc_rd_reg64(reg); enetc_unlock_mdio(); return val; } /* general register accessors */ #define enetc_rd_reg(reg) _enetc_rd_reg_wa((reg)) #define enetc_wr_reg(reg, val) _enetc_wr_reg_wa((reg), (val)) #define enetc_rd(hw, off) enetc_rd_reg((hw)->reg + (off)) #define enetc_wr(hw, off, val) enetc_wr_reg((hw)->reg + (off), val) #define enetc_rd_hot(hw, off) enetc_rd_reg_hot((hw)->reg + (off)) #define enetc_wr_hot(hw, off, val) enetc_wr_reg_hot((hw)->reg + (off), val) #define enetc_rd64(hw, off) _enetc_rd_reg64_wa((hw)->reg + (off)) /* port register accessors - PF only */ #define enetc_port_rd(hw, off) enetc_rd_reg((hw)->port + (off)) #define enetc_port_wr(hw, off, val) enetc_wr_reg((hw)->port + (off), val) #define enetc_port_rd_mdio(hw, off) _enetc_rd_mdio_reg_wa((hw)->port + (off)) #define enetc_port_wr_mdio(hw, off, val) _enetc_wr_mdio_reg_wa(\ (hw)->port + (off), val) /* global register accessors - PF only */ #define enetc_global_rd(hw, off) enetc_rd_reg((hw)->global + (off)) #define enetc_global_wr(hw, off, val) enetc_wr_reg((hw)->global + (off), val) /* BDR register accessors, see ENETC_BDR() */ #define enetc_bdr_rd(hw, t, n, off) \ enetc_rd(hw, ENETC_BDR(t, n, off)) #define enetc_bdr_wr(hw, t, n, off, val) \ enetc_wr(hw, ENETC_BDR(t, n, off), val) #define enetc_txbdr_rd(hw, n, off) enetc_bdr_rd(hw, TX, n, off) #define enetc_rxbdr_rd(hw, n, off) enetc_bdr_rd(hw, RX, n, off) #define enetc_txbdr_wr(hw, n, off, val) \ enetc_bdr_wr(hw, TX, n, off, val) #define enetc_rxbdr_wr(hw, n, off, val) \ enetc_bdr_wr(hw, RX, n, off, val) /* Buffer Descriptors (BD) */ union enetc_tx_bd { struct { __le64 addr; __le16 buf_len; __le16 frm_len; union { struct { u8 reserved[3]; u8 flags; }; /* default layout */ __le32 txstart; __le32 lstatus; }; }; struct { __le32 tstamp; __le16 tpid; __le16 vid; u8 reserved[6]; u8 e_flags; u8 flags; } ext; /* Tx BD extension */ struct { __le32 tstamp; u8 reserved[10]; u8 status; u8 flags; } wb; /* writeback descriptor */ }; enum enetc_txbd_flags { ENETC_TXBD_FLAGS_RES0 = BIT(0), /* reserved */ ENETC_TXBD_FLAGS_TSE = BIT(1), ENETC_TXBD_FLAGS_W = BIT(2), ENETC_TXBD_FLAGS_RES3 = BIT(3), /* reserved */ ENETC_TXBD_FLAGS_TXSTART = BIT(4), ENETC_TXBD_FLAGS_EX = BIT(6), ENETC_TXBD_FLAGS_F = BIT(7) }; #define ENETC_TXBD_STATS_WIN BIT(7) #define ENETC_TXBD_TXSTART_MASK GENMASK(24, 0) #define ENETC_TXBD_FLAGS_OFFSET 24 static inline __le32 enetc_txbd_set_tx_start(u64 tx_start, u8 flags) { u32 temp; temp = (tx_start >> 5 & ENETC_TXBD_TXSTART_MASK) | (flags << ENETC_TXBD_FLAGS_OFFSET); return cpu_to_le32(temp); } static inline void enetc_clear_tx_bd(union enetc_tx_bd *txbd) { memset(txbd, 0, sizeof(*txbd)); } /* Extension flags */ #define ENETC_TXBD_E_FLAGS_VLAN_INS BIT(0) #define ENETC_TXBD_E_FLAGS_ONE_STEP_PTP BIT(1) #define ENETC_TXBD_E_FLAGS_TWO_STEP_PTP BIT(2) union enetc_rx_bd { struct { __le64 addr; u8 reserved[8]; } w; struct { __le16 inet_csum; __le16 parse_summary; __le32 rss_hash; __le16 buf_len; __le16 vlan_opt; union { struct { __le16 flags; __le16 error; }; __le32 lstatus; }; } r; struct { __le32 tstamp; u8 reserved[12]; } ext; }; #define ENETC_RXBD_LSTATUS_R BIT(30) #define ENETC_RXBD_LSTATUS_F BIT(31) #define ENETC_RXBD_ERR_MASK 0xff #define ENETC_RXBD_LSTATUS(flags) ((flags) << 16) #define ENETC_RXBD_FLAG_VLAN BIT(9) #define ENETC_RXBD_FLAG_TSTMP BIT(10) #define ENETC_RXBD_FLAG_TPID GENMASK(1, 0) #define ENETC_MAC_ADDR_FILT_CNT 8 /* # of supported entries per port */ #define EMETC_MAC_ADDR_FILT_RES 3 /* # of reserved entries at the beginning */ #define ENETC_MAX_NUM_VFS 2 #define ENETC_CBD_FLAGS_SF BIT(7) /* short format */ #define ENETC_CBD_STATUS_MASK 0xf struct enetc_cmd_rfse { u8 smac_h[6]; u8 smac_m[6]; u8 dmac_h[6]; u8 dmac_m[6]; __be32 sip_h[4]; __be32 sip_m[4]; __be32 dip_h[4]; __be32 dip_m[4]; u16 ethtype_h; u16 ethtype_m; u16 ethtype4_h; u16 ethtype4_m; u16 sport_h; u16 sport_m; u16 dport_h; u16 dport_m; u16 vlan_h; u16 vlan_m; u8 proto_h; u8 proto_m; u16 flags; u16 result; u16 mode; }; #define ENETC_RFSE_EN BIT(15) #define ENETC_RFSE_MODE_BD 2 static inline void enetc_load_primary_mac_addr(struct enetc_hw *hw, struct net_device *ndev) { u8 addr[ETH_ALEN] __aligned(4); *(u32 *)addr = __raw_readl(hw->reg + ENETC_SIPMAR0); *(u16 *)(addr + 4) = __raw_readw(hw->reg + ENETC_SIPMAR1); eth_hw_addr_set(ndev, addr); } #define ENETC_SI_INT_IDX 0 /* base index for Rx/Tx interrupts */ #define ENETC_BDR_INT_BASE_IDX 1 /* Messaging */ /* Command completion status */ enum enetc_msg_cmd_status { ENETC_MSG_CMD_STATUS_OK, ENETC_MSG_CMD_STATUS_FAIL }; /* VSI-PSI command message types */ enum enetc_msg_cmd_type { ENETC_MSG_CMD_MNG_MAC = 1, /* manage MAC address */ ENETC_MSG_CMD_MNG_RX_MAC_FILTER,/* manage RX MAC table */ ENETC_MSG_CMD_MNG_RX_VLAN_FILTER /* manage RX VLAN table */ }; /* VSI-PSI command action types */ enum enetc_msg_cmd_action_type { ENETC_MSG_CMD_MNG_ADD = 1, ENETC_MSG_CMD_MNG_REMOVE }; /* PSI-VSI command header format */ struct enetc_msg_cmd_header { u16 type; /* command class type */ u16 id; /* denotes the specific required action */ }; /* Common H/W utility functions */ static inline void enetc_bdr_enable_rxvlan(struct enetc_hw *hw, int idx, bool en) { u32 val = enetc_rxbdr_rd(hw, idx, ENETC_RBMR); val = (val & ~ENETC_RBMR_VTE) | (en ? ENETC_RBMR_VTE : 0); enetc_rxbdr_wr(hw, idx, ENETC_RBMR, val); } static inline void enetc_bdr_enable_txvlan(struct enetc_hw *hw, int idx, bool en) { u32 val = enetc_txbdr_rd(hw, idx, ENETC_TBMR); val = (val & ~ENETC_TBMR_VIH) | (en ? ENETC_TBMR_VIH : 0); enetc_txbdr_wr(hw, idx, ENETC_TBMR, val); } static inline void enetc_set_bdr_prio(struct enetc_hw *hw, int bdr_idx, int prio) { u32 val = enetc_txbdr_rd(hw, bdr_idx, ENETC_TBMR); val &= ~ENETC_TBMR_PRIO_MASK; val |= ENETC_TBMR_SET_PRIO(prio); enetc_txbdr_wr(hw, bdr_idx, ENETC_TBMR, val); } enum bdcr_cmd_class { BDCR_CMD_UNSPEC = 0, BDCR_CMD_MAC_FILTER, BDCR_CMD_VLAN_FILTER, BDCR_CMD_RSS, BDCR_CMD_RFS, BDCR_CMD_PORT_GCL, BDCR_CMD_RECV_CLASSIFIER, BDCR_CMD_STREAM_IDENTIFY, BDCR_CMD_STREAM_FILTER, BDCR_CMD_STREAM_GCL, BDCR_CMD_FLOW_METER, __BDCR_CMD_MAX_LEN, BDCR_CMD_MAX_LEN = __BDCR_CMD_MAX_LEN - 1, }; /* class 5, command 0 */ struct tgs_gcl_conf { u8 atc; /* init gate value */ u8 res[7]; struct { u8 res1[4]; __le16 acl_len; u8 res2[2]; }; }; /* gate control list entry */ struct gce { __le32 period; u8 gate; u8 res[3]; }; /* tgs_gcl_conf address point to this data space */ struct tgs_gcl_data { __le32 btl; __le32 bth; __le32 ct; __le32 cte; struct gce entry[]; }; /* class 7, command 0, Stream Identity Entry Configuration */ struct streamid_conf { __le32 stream_handle; /* init gate value */ __le32 iports; u8 id_type; u8 oui[3]; u8 res[3]; u8 en; }; #define ENETC_CBDR_SID_VID_MASK 0xfff #define ENETC_CBDR_SID_VIDM BIT(12) #define ENETC_CBDR_SID_TG_MASK 0xc000 /* streamid_conf address point to this data space */ struct streamid_data { union { u8 dmac[6]; u8 smac[6]; }; u16 vid_vidm_tg; }; #define ENETC_CBDR_SFI_PRI_MASK 0x7 #define ENETC_CBDR_SFI_PRIM BIT(3) #define ENETC_CBDR_SFI_BLOV BIT(4) #define ENETC_CBDR_SFI_BLEN BIT(5) #define ENETC_CBDR_SFI_MSDUEN BIT(6) #define ENETC_CBDR_SFI_FMITEN BIT(7) #define ENETC_CBDR_SFI_ENABLE BIT(7) /* class 8, command 0, Stream Filter Instance, Short Format */ struct sfi_conf { __le32 stream_handle; u8 multi; u8 res[2]; u8 sthm; /* Max Service Data Unit or Flow Meter Instance Table index. * Depending on the value of FLT this represents either Max * Service Data Unit (max frame size) allowed by the filter * entry or is an index into the Flow Meter Instance table * index identifying the policer which will be used to police * it. */ __le16 fm_inst_table_index; __le16 msdu; __le16 sg_inst_table_index; u8 res1[2]; __le32 input_ports; u8 res2[3]; u8 en; }; /* class 8, command 2 stream Filter Instance status query short format * command no need structure define * Stream Filter Instance Query Statistics Response data */ struct sfi_counter_data { u32 matchl; u32 matchh; u32 msdu_dropl; u32 msdu_droph; u32 stream_gate_dropl; u32 stream_gate_droph; u32 flow_meter_dropl; u32 flow_meter_droph; }; #define ENETC_CBDR_SGI_OIPV_MASK 0x7 #define ENETC_CBDR_SGI_OIPV_EN BIT(3) #define ENETC_CBDR_SGI_CGTST BIT(6) #define ENETC_CBDR_SGI_OGTST BIT(7) #define ENETC_CBDR_SGI_CFG_CHG BIT(1) #define ENETC_CBDR_SGI_CFG_PND BIT(2) #define ENETC_CBDR_SGI_OEX BIT(4) #define ENETC_CBDR_SGI_OEXEN BIT(5) #define ENETC_CBDR_SGI_IRX BIT(6) #define ENETC_CBDR_SGI_IRXEN BIT(7) #define ENETC_CBDR_SGI_ACLLEN_MASK 0x3 #define ENETC_CBDR_SGI_OCLLEN_MASK 0xc #define ENETC_CBDR_SGI_EN BIT(7) /* class 9, command 0, Stream Gate Instance Table, Short Format * class 9, command 2, Stream Gate Instance Table entry query write back * Short Format */ struct sgi_table { u8 res[8]; u8 oipv; u8 res0[2]; u8 ocgtst; u8 res1[7]; u8 gset; u8 oacl_len; u8 res2[2]; u8 en; }; #define ENETC_CBDR_SGI_AIPV_MASK 0x7 #define ENETC_CBDR_SGI_AIPV_EN BIT(3) #define ENETC_CBDR_SGI_AGTST BIT(7) /* class 9, command 1, Stream Gate Control List, Long Format */ struct sgcl_conf { u8 aipv; u8 res[2]; u8 agtst; u8 res1[4]; union { struct { u8 res2[4]; u8 acl_len; u8 res3[3]; }; u8 cct[8]; /* Config change time */ }; }; #define ENETC_CBDR_SGL_IOMEN BIT(0) #define ENETC_CBDR_SGL_IPVEN BIT(3) #define ENETC_CBDR_SGL_GTST BIT(4) #define ENETC_CBDR_SGL_IPV_MASK 0xe /* Stream Gate Control List Entry */ struct sgce { u32 interval; u8 msdu[3]; u8 multi; }; /* stream control list class 9 , cmd 1 data buffer */ struct sgcl_data { u32 btl; u32 bth; u32 ct; u32 cte; struct sgce sgcl[]; }; #define ENETC_CBDR_FMI_MR BIT(0) #define ENETC_CBDR_FMI_MREN BIT(1) #define ENETC_CBDR_FMI_DOY BIT(2) #define ENETC_CBDR_FMI_CM BIT(3) #define ENETC_CBDR_FMI_CF BIT(4) #define ENETC_CBDR_FMI_NDOR BIT(5) #define ENETC_CBDR_FMI_OALEN BIT(6) #define ENETC_CBDR_FMI_IRFPP_MASK GENMASK(4, 0) /* class 10: command 0/1, Flow Meter Instance Set, short Format */ struct fmi_conf { __le32 cir; __le32 cbs; __le32 eir; __le32 ebs; u8 conf; u8 res1; u8 ir_fpp; u8 res2[4]; u8 en; }; struct enetc_cbd { union{ struct sfi_conf sfi_conf; struct sgi_table sgi_table; struct fmi_conf fmi_conf; struct { __le32 addr[2]; union { __le32 opt[4]; struct tgs_gcl_conf gcl_conf; struct streamid_conf sid_set; struct sgcl_conf sgcl_conf; }; }; /* Long format */ __le32 data[6]; }; __le16 index; __le16 length; u8 cmd; u8 cls; u8 _res; u8 status_flags; }; #define ENETC_CLK 400000000ULL static inline u32 enetc_cycles_to_usecs(u32 cycles) { return (u32)div_u64(cycles * 1000000ULL, ENETC_CLK); } static inline u32 enetc_usecs_to_cycles(u32 usecs) { return (u32)div_u64(usecs * ENETC_CLK, 1000000ULL); } /* port time gating control register */ #define ENETC_PTGCR 0x11a00 #define ENETC_PTGCR_TGE BIT(31) #define ENETC_PTGCR_TGPE BIT(30) /* Port time gating capability register */ #define ENETC_PTGCAPR 0x11a08 #define ENETC_PTGCAPR_MAX_GCL_LEN_MASK GENMASK(15, 0) /* Port time specific departure */ #define ENETC_PTCTSDR(n) (0x1210 + 4 * (n)) #define ENETC_TSDE BIT(31) /* PSFP setting */ #define ENETC_PPSFPMR 0x11b00 #define ENETC_PPSFPMR_PSFPEN BIT(0) #define ENETC_PPSFPMR_VS BIT(1) #define ENETC_PPSFPMR_PVC BIT(2) #define ENETC_PPSFPMR_PVZC BIT(3)