| // SPDX-License-Identifier: (GPL-2.0 OR MIT) |
| /* |
| * Microsemi Ocelot Switch driver |
| * |
| * Copyright (c) 2017 Microsemi Corporation |
| */ |
| #include <linux/interrupt.h> |
| #include <linux/module.h> |
| #include <linux/of_net.h> |
| #include <linux/netdevice.h> |
| #include <linux/of_mdio.h> |
| #include <linux/of_platform.h> |
| #include <linux/mfd/syscon.h> |
| #include <linux/skbuff.h> |
| #include <net/switchdev.h> |
| |
| #include <soc/mscc/ocelot_vcap.h> |
| #include <soc/mscc/ocelot_hsio.h> |
| #include "ocelot.h" |
| |
| #define IFH_EXTRACT_BITFIELD64(x, o, w) (((x) >> (o)) & GENMASK_ULL((w) - 1, 0)) |
| |
| static const u32 ocelot_ana_regmap[] = { |
| REG(ANA_ADVLEARN, 0x009000), |
| REG(ANA_VLANMASK, 0x009004), |
| REG(ANA_PORT_B_DOMAIN, 0x009008), |
| REG(ANA_ANAGEFIL, 0x00900c), |
| REG(ANA_ANEVENTS, 0x009010), |
| REG(ANA_STORMLIMIT_BURST, 0x009014), |
| REG(ANA_STORMLIMIT_CFG, 0x009018), |
| REG(ANA_ISOLATED_PORTS, 0x009028), |
| REG(ANA_COMMUNITY_PORTS, 0x00902c), |
| REG(ANA_AUTOAGE, 0x009030), |
| REG(ANA_MACTOPTIONS, 0x009034), |
| REG(ANA_LEARNDISC, 0x009038), |
| REG(ANA_AGENCTRL, 0x00903c), |
| REG(ANA_MIRRORPORTS, 0x009040), |
| REG(ANA_EMIRRORPORTS, 0x009044), |
| REG(ANA_FLOODING, 0x009048), |
| REG(ANA_FLOODING_IPMC, 0x00904c), |
| REG(ANA_SFLOW_CFG, 0x009050), |
| REG(ANA_PORT_MODE, 0x009080), |
| REG(ANA_PGID_PGID, 0x008c00), |
| REG(ANA_TABLES_ANMOVED, 0x008b30), |
| REG(ANA_TABLES_MACHDATA, 0x008b34), |
| REG(ANA_TABLES_MACLDATA, 0x008b38), |
| REG(ANA_TABLES_MACACCESS, 0x008b3c), |
| REG(ANA_TABLES_MACTINDX, 0x008b40), |
| REG(ANA_TABLES_VLANACCESS, 0x008b44), |
| REG(ANA_TABLES_VLANTIDX, 0x008b48), |
| REG(ANA_TABLES_ISDXACCESS, 0x008b4c), |
| REG(ANA_TABLES_ISDXTIDX, 0x008b50), |
| REG(ANA_TABLES_ENTRYLIM, 0x008b00), |
| REG(ANA_TABLES_PTP_ID_HIGH, 0x008b54), |
| REG(ANA_TABLES_PTP_ID_LOW, 0x008b58), |
| REG(ANA_MSTI_STATE, 0x008e00), |
| REG(ANA_PORT_VLAN_CFG, 0x007000), |
| REG(ANA_PORT_DROP_CFG, 0x007004), |
| REG(ANA_PORT_QOS_CFG, 0x007008), |
| REG(ANA_PORT_VCAP_CFG, 0x00700c), |
| REG(ANA_PORT_VCAP_S1_KEY_CFG, 0x007010), |
| REG(ANA_PORT_VCAP_S2_CFG, 0x00701c), |
| REG(ANA_PORT_PCP_DEI_MAP, 0x007020), |
| REG(ANA_PORT_CPU_FWD_CFG, 0x007060), |
| REG(ANA_PORT_CPU_FWD_BPDU_CFG, 0x007064), |
| REG(ANA_PORT_CPU_FWD_GARP_CFG, 0x007068), |
| REG(ANA_PORT_CPU_FWD_CCM_CFG, 0x00706c), |
| REG(ANA_PORT_PORT_CFG, 0x007070), |
| REG(ANA_PORT_POL_CFG, 0x007074), |
| REG(ANA_PORT_PTP_CFG, 0x007078), |
| REG(ANA_PORT_PTP_DLY1_CFG, 0x00707c), |
| REG(ANA_OAM_UPM_LM_CNT, 0x007c00), |
| REG(ANA_PORT_PTP_DLY2_CFG, 0x007080), |
| REG(ANA_PFC_PFC_CFG, 0x008800), |
| REG(ANA_PFC_PFC_TIMER, 0x008804), |
| REG(ANA_IPT_OAM_MEP_CFG, 0x008000), |
| REG(ANA_IPT_IPT, 0x008004), |
| REG(ANA_PPT_PPT, 0x008ac0), |
| REG(ANA_FID_MAP_FID_MAP, 0x000000), |
| REG(ANA_AGGR_CFG, 0x0090b4), |
| REG(ANA_CPUQ_CFG, 0x0090b8), |
| REG(ANA_CPUQ_CFG2, 0x0090bc), |
| REG(ANA_CPUQ_8021_CFG, 0x0090c0), |
| REG(ANA_DSCP_CFG, 0x009100), |
| REG(ANA_DSCP_REWR_CFG, 0x009200), |
| REG(ANA_VCAP_RNG_TYPE_CFG, 0x009240), |
| REG(ANA_VCAP_RNG_VAL_CFG, 0x009260), |
| REG(ANA_VRAP_CFG, 0x009280), |
| REG(ANA_VRAP_HDR_DATA, 0x009284), |
| REG(ANA_VRAP_HDR_MASK, 0x009288), |
| REG(ANA_DISCARD_CFG, 0x00928c), |
| REG(ANA_FID_CFG, 0x009290), |
| REG(ANA_POL_PIR_CFG, 0x004000), |
| REG(ANA_POL_CIR_CFG, 0x004004), |
| REG(ANA_POL_MODE_CFG, 0x004008), |
| REG(ANA_POL_PIR_STATE, 0x00400c), |
| REG(ANA_POL_CIR_STATE, 0x004010), |
| REG(ANA_POL_STATE, 0x004014), |
| REG(ANA_POL_FLOWC, 0x008b80), |
| REG(ANA_POL_HYST, 0x008bec), |
| REG(ANA_POL_MISC_CFG, 0x008bf0), |
| }; |
| |
| static const u32 ocelot_qs_regmap[] = { |
| REG(QS_XTR_GRP_CFG, 0x000000), |
| REG(QS_XTR_RD, 0x000008), |
| REG(QS_XTR_FRM_PRUNING, 0x000010), |
| REG(QS_XTR_FLUSH, 0x000018), |
| REG(QS_XTR_DATA_PRESENT, 0x00001c), |
| REG(QS_XTR_CFG, 0x000020), |
| REG(QS_INJ_GRP_CFG, 0x000024), |
| REG(QS_INJ_WR, 0x00002c), |
| REG(QS_INJ_CTRL, 0x000034), |
| REG(QS_INJ_STATUS, 0x00003c), |
| REG(QS_INJ_ERR, 0x000040), |
| REG(QS_INH_DBG, 0x000048), |
| }; |
| |
| static const u32 ocelot_qsys_regmap[] = { |
| REG(QSYS_PORT_MODE, 0x011200), |
| REG(QSYS_SWITCH_PORT_MODE, 0x011234), |
| REG(QSYS_STAT_CNT_CFG, 0x011264), |
| REG(QSYS_EEE_CFG, 0x011268), |
| REG(QSYS_EEE_THRES, 0x011294), |
| REG(QSYS_IGR_NO_SHARING, 0x011298), |
| REG(QSYS_EGR_NO_SHARING, 0x01129c), |
| REG(QSYS_SW_STATUS, 0x0112a0), |
| REG(QSYS_EXT_CPU_CFG, 0x0112d0), |
| REG(QSYS_PAD_CFG, 0x0112d4), |
| REG(QSYS_CPU_GROUP_MAP, 0x0112d8), |
| REG(QSYS_QMAP, 0x0112dc), |
| REG(QSYS_ISDX_SGRP, 0x011400), |
| REG(QSYS_TIMED_FRAME_ENTRY, 0x014000), |
| REG(QSYS_TFRM_MISC, 0x011310), |
| REG(QSYS_TFRM_PORT_DLY, 0x011314), |
| REG(QSYS_TFRM_TIMER_CFG_1, 0x011318), |
| REG(QSYS_TFRM_TIMER_CFG_2, 0x01131c), |
| REG(QSYS_TFRM_TIMER_CFG_3, 0x011320), |
| REG(QSYS_TFRM_TIMER_CFG_4, 0x011324), |
| REG(QSYS_TFRM_TIMER_CFG_5, 0x011328), |
| REG(QSYS_TFRM_TIMER_CFG_6, 0x01132c), |
| REG(QSYS_TFRM_TIMER_CFG_7, 0x011330), |
| REG(QSYS_TFRM_TIMER_CFG_8, 0x011334), |
| REG(QSYS_RED_PROFILE, 0x011338), |
| REG(QSYS_RES_QOS_MODE, 0x011378), |
| REG(QSYS_RES_CFG, 0x012000), |
| REG(QSYS_RES_STAT, 0x012004), |
| REG(QSYS_EGR_DROP_MODE, 0x01137c), |
| REG(QSYS_EQ_CTRL, 0x011380), |
| REG(QSYS_EVENTS_CORE, 0x011384), |
| REG(QSYS_CIR_CFG, 0x000000), |
| REG(QSYS_EIR_CFG, 0x000004), |
| REG(QSYS_SE_CFG, 0x000008), |
| REG(QSYS_SE_DWRR_CFG, 0x00000c), |
| REG(QSYS_SE_CONNECT, 0x00003c), |
| REG(QSYS_SE_DLB_SENSE, 0x000040), |
| REG(QSYS_CIR_STATE, 0x000044), |
| REG(QSYS_EIR_STATE, 0x000048), |
| REG(QSYS_SE_STATE, 0x00004c), |
| REG(QSYS_HSCH_MISC_CFG, 0x011388), |
| }; |
| |
| static const u32 ocelot_rew_regmap[] = { |
| REG(REW_PORT_VLAN_CFG, 0x000000), |
| REG(REW_TAG_CFG, 0x000004), |
| REG(REW_PORT_CFG, 0x000008), |
| REG(REW_DSCP_CFG, 0x00000c), |
| REG(REW_PCP_DEI_QOS_MAP_CFG, 0x000010), |
| REG(REW_PTP_CFG, 0x000050), |
| REG(REW_PTP_DLY1_CFG, 0x000054), |
| REG(REW_DSCP_REMAP_DP1_CFG, 0x000690), |
| REG(REW_DSCP_REMAP_CFG, 0x000790), |
| REG(REW_STAT_CFG, 0x000890), |
| REG(REW_PPT, 0x000680), |
| }; |
| |
| static const u32 ocelot_sys_regmap[] = { |
| REG(SYS_COUNT_RX_OCTETS, 0x000000), |
| REG(SYS_COUNT_RX_UNICAST, 0x000004), |
| REG(SYS_COUNT_RX_MULTICAST, 0x000008), |
| REG(SYS_COUNT_RX_BROADCAST, 0x00000c), |
| REG(SYS_COUNT_RX_SHORTS, 0x000010), |
| REG(SYS_COUNT_RX_FRAGMENTS, 0x000014), |
| REG(SYS_COUNT_RX_JABBERS, 0x000018), |
| REG(SYS_COUNT_RX_CRC_ALIGN_ERRS, 0x00001c), |
| REG(SYS_COUNT_RX_SYM_ERRS, 0x000020), |
| REG(SYS_COUNT_RX_64, 0x000024), |
| REG(SYS_COUNT_RX_65_127, 0x000028), |
| REG(SYS_COUNT_RX_128_255, 0x00002c), |
| REG(SYS_COUNT_RX_256_1023, 0x000030), |
| REG(SYS_COUNT_RX_1024_1526, 0x000034), |
| REG(SYS_COUNT_RX_1527_MAX, 0x000038), |
| REG(SYS_COUNT_RX_PAUSE, 0x00003c), |
| REG(SYS_COUNT_RX_CONTROL, 0x000040), |
| REG(SYS_COUNT_RX_LONGS, 0x000044), |
| REG(SYS_COUNT_RX_CLASSIFIED_DROPS, 0x000048), |
| REG(SYS_COUNT_TX_OCTETS, 0x000100), |
| REG(SYS_COUNT_TX_UNICAST, 0x000104), |
| REG(SYS_COUNT_TX_MULTICAST, 0x000108), |
| REG(SYS_COUNT_TX_BROADCAST, 0x00010c), |
| REG(SYS_COUNT_TX_COLLISION, 0x000110), |
| REG(SYS_COUNT_TX_DROPS, 0x000114), |
| REG(SYS_COUNT_TX_PAUSE, 0x000118), |
| REG(SYS_COUNT_TX_64, 0x00011c), |
| REG(SYS_COUNT_TX_65_127, 0x000120), |
| REG(SYS_COUNT_TX_128_511, 0x000124), |
| REG(SYS_COUNT_TX_512_1023, 0x000128), |
| REG(SYS_COUNT_TX_1024_1526, 0x00012c), |
| REG(SYS_COUNT_TX_1527_MAX, 0x000130), |
| REG(SYS_COUNT_TX_AGING, 0x000170), |
| REG(SYS_RESET_CFG, 0x000508), |
| REG(SYS_CMID, 0x00050c), |
| REG(SYS_VLAN_ETYPE_CFG, 0x000510), |
| REG(SYS_PORT_MODE, 0x000514), |
| REG(SYS_FRONT_PORT_MODE, 0x000548), |
| REG(SYS_FRM_AGING, 0x000574), |
| REG(SYS_STAT_CFG, 0x000578), |
| REG(SYS_SW_STATUS, 0x00057c), |
| REG(SYS_MISC_CFG, 0x0005ac), |
| REG(SYS_REW_MAC_HIGH_CFG, 0x0005b0), |
| REG(SYS_REW_MAC_LOW_CFG, 0x0005dc), |
| REG(SYS_CM_ADDR, 0x000500), |
| REG(SYS_CM_DATA, 0x000504), |
| REG(SYS_PAUSE_CFG, 0x000608), |
| REG(SYS_PAUSE_TOT_CFG, 0x000638), |
| REG(SYS_ATOP, 0x00063c), |
| REG(SYS_ATOP_TOT_CFG, 0x00066c), |
| REG(SYS_MAC_FC_CFG, 0x000670), |
| REG(SYS_MMGT, 0x00069c), |
| REG(SYS_MMGT_FAST, 0x0006a0), |
| REG(SYS_EVENTS_DIF, 0x0006a4), |
| REG(SYS_EVENTS_CORE, 0x0006b4), |
| REG(SYS_CNT, 0x000000), |
| REG(SYS_PTP_STATUS, 0x0006b8), |
| REG(SYS_PTP_TXSTAMP, 0x0006bc), |
| REG(SYS_PTP_NXT, 0x0006c0), |
| REG(SYS_PTP_CFG, 0x0006c4), |
| }; |
| |
| static const u32 ocelot_vcap_regmap[] = { |
| /* VCAP_CORE_CFG */ |
| REG(VCAP_CORE_UPDATE_CTRL, 0x000000), |
| REG(VCAP_CORE_MV_CFG, 0x000004), |
| /* VCAP_CORE_CACHE */ |
| REG(VCAP_CACHE_ENTRY_DAT, 0x000008), |
| REG(VCAP_CACHE_MASK_DAT, 0x000108), |
| REG(VCAP_CACHE_ACTION_DAT, 0x000208), |
| REG(VCAP_CACHE_CNT_DAT, 0x000308), |
| REG(VCAP_CACHE_TG_DAT, 0x000388), |
| /* VCAP_CONST */ |
| REG(VCAP_CONST_VCAP_VER, 0x000398), |
| REG(VCAP_CONST_ENTRY_WIDTH, 0x00039c), |
| REG(VCAP_CONST_ENTRY_CNT, 0x0003a0), |
| REG(VCAP_CONST_ENTRY_SWCNT, 0x0003a4), |
| REG(VCAP_CONST_ENTRY_TG_WIDTH, 0x0003a8), |
| REG(VCAP_CONST_ACTION_DEF_CNT, 0x0003ac), |
| REG(VCAP_CONST_ACTION_WIDTH, 0x0003b0), |
| REG(VCAP_CONST_CNT_WIDTH, 0x0003b4), |
| REG(VCAP_CONST_CORE_CNT, 0x0003b8), |
| REG(VCAP_CONST_IF_CNT, 0x0003bc), |
| }; |
| |
| static const u32 ocelot_ptp_regmap[] = { |
| REG(PTP_PIN_CFG, 0x000000), |
| REG(PTP_PIN_TOD_SEC_MSB, 0x000004), |
| REG(PTP_PIN_TOD_SEC_LSB, 0x000008), |
| REG(PTP_PIN_TOD_NSEC, 0x00000c), |
| REG(PTP_PIN_WF_HIGH_PERIOD, 0x000014), |
| REG(PTP_PIN_WF_LOW_PERIOD, 0x000018), |
| REG(PTP_CFG_MISC, 0x0000a0), |
| REG(PTP_CLK_CFG_ADJ_CFG, 0x0000a4), |
| REG(PTP_CLK_CFG_ADJ_FREQ, 0x0000a8), |
| }; |
| |
| static const u32 ocelot_dev_gmii_regmap[] = { |
| REG(DEV_CLOCK_CFG, 0x0), |
| REG(DEV_PORT_MISC, 0x4), |
| REG(DEV_EVENTS, 0x8), |
| REG(DEV_EEE_CFG, 0xc), |
| REG(DEV_RX_PATH_DELAY, 0x10), |
| REG(DEV_TX_PATH_DELAY, 0x14), |
| REG(DEV_PTP_PREDICT_CFG, 0x18), |
| REG(DEV_MAC_ENA_CFG, 0x1c), |
| REG(DEV_MAC_MODE_CFG, 0x20), |
| REG(DEV_MAC_MAXLEN_CFG, 0x24), |
| REG(DEV_MAC_TAGS_CFG, 0x28), |
| REG(DEV_MAC_ADV_CHK_CFG, 0x2c), |
| REG(DEV_MAC_IFG_CFG, 0x30), |
| REG(DEV_MAC_HDX_CFG, 0x34), |
| REG(DEV_MAC_DBG_CFG, 0x38), |
| REG(DEV_MAC_FC_MAC_LOW_CFG, 0x3c), |
| REG(DEV_MAC_FC_MAC_HIGH_CFG, 0x40), |
| REG(DEV_MAC_STICKY, 0x44), |
| REG(PCS1G_CFG, 0x48), |
| REG(PCS1G_MODE_CFG, 0x4c), |
| REG(PCS1G_SD_CFG, 0x50), |
| REG(PCS1G_ANEG_CFG, 0x54), |
| REG(PCS1G_ANEG_NP_CFG, 0x58), |
| REG(PCS1G_LB_CFG, 0x5c), |
| REG(PCS1G_DBG_CFG, 0x60), |
| REG(PCS1G_CDET_CFG, 0x64), |
| REG(PCS1G_ANEG_STATUS, 0x68), |
| REG(PCS1G_ANEG_NP_STATUS, 0x6c), |
| REG(PCS1G_LINK_STATUS, 0x70), |
| REG(PCS1G_LINK_DOWN_CNT, 0x74), |
| REG(PCS1G_STICKY, 0x78), |
| REG(PCS1G_DEBUG_STATUS, 0x7c), |
| REG(PCS1G_LPI_CFG, 0x80), |
| REG(PCS1G_LPI_WAKE_ERROR_CNT, 0x84), |
| REG(PCS1G_LPI_STATUS, 0x88), |
| REG(PCS1G_TSTPAT_MODE_CFG, 0x8c), |
| REG(PCS1G_TSTPAT_STATUS, 0x90), |
| REG(DEV_PCS_FX100_CFG, 0x94), |
| REG(DEV_PCS_FX100_STATUS, 0x98), |
| }; |
| |
| static const u32 *ocelot_regmap[TARGET_MAX] = { |
| [ANA] = ocelot_ana_regmap, |
| [QS] = ocelot_qs_regmap, |
| [QSYS] = ocelot_qsys_regmap, |
| [REW] = ocelot_rew_regmap, |
| [SYS] = ocelot_sys_regmap, |
| [S0] = ocelot_vcap_regmap, |
| [S1] = ocelot_vcap_regmap, |
| [S2] = ocelot_vcap_regmap, |
| [PTP] = ocelot_ptp_regmap, |
| [DEV_GMII] = ocelot_dev_gmii_regmap, |
| }; |
| |
| static const struct reg_field ocelot_regfields[REGFIELD_MAX] = { |
| [ANA_ADVLEARN_VLAN_CHK] = REG_FIELD(ANA_ADVLEARN, 11, 11), |
| [ANA_ADVLEARN_LEARN_MIRROR] = REG_FIELD(ANA_ADVLEARN, 0, 10), |
| [ANA_ANEVENTS_MSTI_DROP] = REG_FIELD(ANA_ANEVENTS, 27, 27), |
| [ANA_ANEVENTS_ACLKILL] = REG_FIELD(ANA_ANEVENTS, 26, 26), |
| [ANA_ANEVENTS_ACLUSED] = REG_FIELD(ANA_ANEVENTS, 25, 25), |
| [ANA_ANEVENTS_AUTOAGE] = REG_FIELD(ANA_ANEVENTS, 24, 24), |
| [ANA_ANEVENTS_VS2TTL1] = REG_FIELD(ANA_ANEVENTS, 23, 23), |
| [ANA_ANEVENTS_STORM_DROP] = REG_FIELD(ANA_ANEVENTS, 22, 22), |
| [ANA_ANEVENTS_LEARN_DROP] = REG_FIELD(ANA_ANEVENTS, 21, 21), |
| [ANA_ANEVENTS_AGED_ENTRY] = REG_FIELD(ANA_ANEVENTS, 20, 20), |
| [ANA_ANEVENTS_CPU_LEARN_FAILED] = REG_FIELD(ANA_ANEVENTS, 19, 19), |
| [ANA_ANEVENTS_AUTO_LEARN_FAILED] = REG_FIELD(ANA_ANEVENTS, 18, 18), |
| [ANA_ANEVENTS_LEARN_REMOVE] = REG_FIELD(ANA_ANEVENTS, 17, 17), |
| [ANA_ANEVENTS_AUTO_LEARNED] = REG_FIELD(ANA_ANEVENTS, 16, 16), |
| [ANA_ANEVENTS_AUTO_MOVED] = REG_FIELD(ANA_ANEVENTS, 15, 15), |
| [ANA_ANEVENTS_DROPPED] = REG_FIELD(ANA_ANEVENTS, 14, 14), |
| [ANA_ANEVENTS_CLASSIFIED_DROP] = REG_FIELD(ANA_ANEVENTS, 13, 13), |
| [ANA_ANEVENTS_CLASSIFIED_COPY] = REG_FIELD(ANA_ANEVENTS, 12, 12), |
| [ANA_ANEVENTS_VLAN_DISCARD] = REG_FIELD(ANA_ANEVENTS, 11, 11), |
| [ANA_ANEVENTS_FWD_DISCARD] = REG_FIELD(ANA_ANEVENTS, 10, 10), |
| [ANA_ANEVENTS_MULTICAST_FLOOD] = REG_FIELD(ANA_ANEVENTS, 9, 9), |
| [ANA_ANEVENTS_UNICAST_FLOOD] = REG_FIELD(ANA_ANEVENTS, 8, 8), |
| [ANA_ANEVENTS_DEST_KNOWN] = REG_FIELD(ANA_ANEVENTS, 7, 7), |
| [ANA_ANEVENTS_BUCKET3_MATCH] = REG_FIELD(ANA_ANEVENTS, 6, 6), |
| [ANA_ANEVENTS_BUCKET2_MATCH] = REG_FIELD(ANA_ANEVENTS, 5, 5), |
| [ANA_ANEVENTS_BUCKET1_MATCH] = REG_FIELD(ANA_ANEVENTS, 4, 4), |
| [ANA_ANEVENTS_BUCKET0_MATCH] = REG_FIELD(ANA_ANEVENTS, 3, 3), |
| [ANA_ANEVENTS_CPU_OPERATION] = REG_FIELD(ANA_ANEVENTS, 2, 2), |
| [ANA_ANEVENTS_DMAC_LOOKUP] = REG_FIELD(ANA_ANEVENTS, 1, 1), |
| [ANA_ANEVENTS_SMAC_LOOKUP] = REG_FIELD(ANA_ANEVENTS, 0, 0), |
| [ANA_TABLES_MACACCESS_B_DOM] = REG_FIELD(ANA_TABLES_MACACCESS, 18, 18), |
| [ANA_TABLES_MACTINDX_BUCKET] = REG_FIELD(ANA_TABLES_MACTINDX, 10, 11), |
| [ANA_TABLES_MACTINDX_M_INDEX] = REG_FIELD(ANA_TABLES_MACTINDX, 0, 9), |
| [QSYS_TIMED_FRAME_ENTRY_TFRM_VLD] = REG_FIELD(QSYS_TIMED_FRAME_ENTRY, 20, 20), |
| [QSYS_TIMED_FRAME_ENTRY_TFRM_FP] = REG_FIELD(QSYS_TIMED_FRAME_ENTRY, 8, 19), |
| [QSYS_TIMED_FRAME_ENTRY_TFRM_PORTNO] = REG_FIELD(QSYS_TIMED_FRAME_ENTRY, 4, 7), |
| [QSYS_TIMED_FRAME_ENTRY_TFRM_TM_SEL] = REG_FIELD(QSYS_TIMED_FRAME_ENTRY, 1, 3), |
| [QSYS_TIMED_FRAME_ENTRY_TFRM_TM_T] = REG_FIELD(QSYS_TIMED_FRAME_ENTRY, 0, 0), |
| [SYS_RESET_CFG_CORE_ENA] = REG_FIELD(SYS_RESET_CFG, 2, 2), |
| [SYS_RESET_CFG_MEM_ENA] = REG_FIELD(SYS_RESET_CFG, 1, 1), |
| [SYS_RESET_CFG_MEM_INIT] = REG_FIELD(SYS_RESET_CFG, 0, 0), |
| /* Replicated per number of ports (12), register size 4 per port */ |
| [QSYS_SWITCH_PORT_MODE_PORT_ENA] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 14, 14, 12, 4), |
| [QSYS_SWITCH_PORT_MODE_SCH_NEXT_CFG] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 11, 13, 12, 4), |
| [QSYS_SWITCH_PORT_MODE_YEL_RSRVD] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 10, 10, 12, 4), |
| [QSYS_SWITCH_PORT_MODE_INGRESS_DROP_MODE] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 9, 9, 12, 4), |
| [QSYS_SWITCH_PORT_MODE_TX_PFC_ENA] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 1, 8, 12, 4), |
| [QSYS_SWITCH_PORT_MODE_TX_PFC_MODE] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 0, 0, 12, 4), |
| [SYS_PORT_MODE_DATA_WO_TS] = REG_FIELD_ID(SYS_PORT_MODE, 5, 6, 12, 4), |
| [SYS_PORT_MODE_INCL_INJ_HDR] = REG_FIELD_ID(SYS_PORT_MODE, 3, 4, 12, 4), |
| [SYS_PORT_MODE_INCL_XTR_HDR] = REG_FIELD_ID(SYS_PORT_MODE, 1, 2, 12, 4), |
| [SYS_PORT_MODE_INCL_HDR_ERR] = REG_FIELD_ID(SYS_PORT_MODE, 0, 0, 12, 4), |
| [SYS_PAUSE_CFG_PAUSE_START] = REG_FIELD_ID(SYS_PAUSE_CFG, 10, 18, 12, 4), |
| [SYS_PAUSE_CFG_PAUSE_STOP] = REG_FIELD_ID(SYS_PAUSE_CFG, 1, 9, 12, 4), |
| [SYS_PAUSE_CFG_PAUSE_ENA] = REG_FIELD_ID(SYS_PAUSE_CFG, 0, 1, 12, 4), |
| }; |
| |
| static const struct ocelot_stat_layout ocelot_stats_layout[] = { |
| { .name = "rx_octets", .offset = 0x00, }, |
| { .name = "rx_unicast", .offset = 0x01, }, |
| { .name = "rx_multicast", .offset = 0x02, }, |
| { .name = "rx_broadcast", .offset = 0x03, }, |
| { .name = "rx_shorts", .offset = 0x04, }, |
| { .name = "rx_fragments", .offset = 0x05, }, |
| { .name = "rx_jabbers", .offset = 0x06, }, |
| { .name = "rx_crc_align_errs", .offset = 0x07, }, |
| { .name = "rx_sym_errs", .offset = 0x08, }, |
| { .name = "rx_frames_below_65_octets", .offset = 0x09, }, |
| { .name = "rx_frames_65_to_127_octets", .offset = 0x0A, }, |
| { .name = "rx_frames_128_to_255_octets", .offset = 0x0B, }, |
| { .name = "rx_frames_256_to_511_octets", .offset = 0x0C, }, |
| { .name = "rx_frames_512_to_1023_octets", .offset = 0x0D, }, |
| { .name = "rx_frames_1024_to_1526_octets", .offset = 0x0E, }, |
| { .name = "rx_frames_over_1526_octets", .offset = 0x0F, }, |
| { .name = "rx_pause", .offset = 0x10, }, |
| { .name = "rx_control", .offset = 0x11, }, |
| { .name = "rx_longs", .offset = 0x12, }, |
| { .name = "rx_classified_drops", .offset = 0x13, }, |
| { .name = "rx_red_prio_0", .offset = 0x14, }, |
| { .name = "rx_red_prio_1", .offset = 0x15, }, |
| { .name = "rx_red_prio_2", .offset = 0x16, }, |
| { .name = "rx_red_prio_3", .offset = 0x17, }, |
| { .name = "rx_red_prio_4", .offset = 0x18, }, |
| { .name = "rx_red_prio_5", .offset = 0x19, }, |
| { .name = "rx_red_prio_6", .offset = 0x1A, }, |
| { .name = "rx_red_prio_7", .offset = 0x1B, }, |
| { .name = "rx_yellow_prio_0", .offset = 0x1C, }, |
| { .name = "rx_yellow_prio_1", .offset = 0x1D, }, |
| { .name = "rx_yellow_prio_2", .offset = 0x1E, }, |
| { .name = "rx_yellow_prio_3", .offset = 0x1F, }, |
| { .name = "rx_yellow_prio_4", .offset = 0x20, }, |
| { .name = "rx_yellow_prio_5", .offset = 0x21, }, |
| { .name = "rx_yellow_prio_6", .offset = 0x22, }, |
| { .name = "rx_yellow_prio_7", .offset = 0x23, }, |
| { .name = "rx_green_prio_0", .offset = 0x24, }, |
| { .name = "rx_green_prio_1", .offset = 0x25, }, |
| { .name = "rx_green_prio_2", .offset = 0x26, }, |
| { .name = "rx_green_prio_3", .offset = 0x27, }, |
| { .name = "rx_green_prio_4", .offset = 0x28, }, |
| { .name = "rx_green_prio_5", .offset = 0x29, }, |
| { .name = "rx_green_prio_6", .offset = 0x2A, }, |
| { .name = "rx_green_prio_7", .offset = 0x2B, }, |
| { .name = "tx_octets", .offset = 0x40, }, |
| { .name = "tx_unicast", .offset = 0x41, }, |
| { .name = "tx_multicast", .offset = 0x42, }, |
| { .name = "tx_broadcast", .offset = 0x43, }, |
| { .name = "tx_collision", .offset = 0x44, }, |
| { .name = "tx_drops", .offset = 0x45, }, |
| { .name = "tx_pause", .offset = 0x46, }, |
| { .name = "tx_frames_below_65_octets", .offset = 0x47, }, |
| { .name = "tx_frames_65_to_127_octets", .offset = 0x48, }, |
| { .name = "tx_frames_128_255_octets", .offset = 0x49, }, |
| { .name = "tx_frames_256_511_octets", .offset = 0x4A, }, |
| { .name = "tx_frames_512_1023_octets", .offset = 0x4B, }, |
| { .name = "tx_frames_1024_1526_octets", .offset = 0x4C, }, |
| { .name = "tx_frames_over_1526_octets", .offset = 0x4D, }, |
| { .name = "tx_yellow_prio_0", .offset = 0x4E, }, |
| { .name = "tx_yellow_prio_1", .offset = 0x4F, }, |
| { .name = "tx_yellow_prio_2", .offset = 0x50, }, |
| { .name = "tx_yellow_prio_3", .offset = 0x51, }, |
| { .name = "tx_yellow_prio_4", .offset = 0x52, }, |
| { .name = "tx_yellow_prio_5", .offset = 0x53, }, |
| { .name = "tx_yellow_prio_6", .offset = 0x54, }, |
| { .name = "tx_yellow_prio_7", .offset = 0x55, }, |
| { .name = "tx_green_prio_0", .offset = 0x56, }, |
| { .name = "tx_green_prio_1", .offset = 0x57, }, |
| { .name = "tx_green_prio_2", .offset = 0x58, }, |
| { .name = "tx_green_prio_3", .offset = 0x59, }, |
| { .name = "tx_green_prio_4", .offset = 0x5A, }, |
| { .name = "tx_green_prio_5", .offset = 0x5B, }, |
| { .name = "tx_green_prio_6", .offset = 0x5C, }, |
| { .name = "tx_green_prio_7", .offset = 0x5D, }, |
| { .name = "tx_aged", .offset = 0x5E, }, |
| { .name = "drop_local", .offset = 0x80, }, |
| { .name = "drop_tail", .offset = 0x81, }, |
| { .name = "drop_yellow_prio_0", .offset = 0x82, }, |
| { .name = "drop_yellow_prio_1", .offset = 0x83, }, |
| { .name = "drop_yellow_prio_2", .offset = 0x84, }, |
| { .name = "drop_yellow_prio_3", .offset = 0x85, }, |
| { .name = "drop_yellow_prio_4", .offset = 0x86, }, |
| { .name = "drop_yellow_prio_5", .offset = 0x87, }, |
| { .name = "drop_yellow_prio_6", .offset = 0x88, }, |
| { .name = "drop_yellow_prio_7", .offset = 0x89, }, |
| { .name = "drop_green_prio_0", .offset = 0x8A, }, |
| { .name = "drop_green_prio_1", .offset = 0x8B, }, |
| { .name = "drop_green_prio_2", .offset = 0x8C, }, |
| { .name = "drop_green_prio_3", .offset = 0x8D, }, |
| { .name = "drop_green_prio_4", .offset = 0x8E, }, |
| { .name = "drop_green_prio_5", .offset = 0x8F, }, |
| { .name = "drop_green_prio_6", .offset = 0x90, }, |
| { .name = "drop_green_prio_7", .offset = 0x91, }, |
| }; |
| |
| static void ocelot_pll5_init(struct ocelot *ocelot) |
| { |
| /* Configure PLL5. This will need a proper CCF driver |
| * The values are coming from the VTSS API for Ocelot |
| */ |
| regmap_write(ocelot->targets[HSIO], HSIO_PLL5G_CFG4, |
| HSIO_PLL5G_CFG4_IB_CTRL(0x7600) | |
| HSIO_PLL5G_CFG4_IB_BIAS_CTRL(0x8)); |
| regmap_write(ocelot->targets[HSIO], HSIO_PLL5G_CFG0, |
| HSIO_PLL5G_CFG0_CORE_CLK_DIV(0x11) | |
| HSIO_PLL5G_CFG0_CPU_CLK_DIV(2) | |
| HSIO_PLL5G_CFG0_ENA_BIAS | |
| HSIO_PLL5G_CFG0_ENA_VCO_BUF | |
| HSIO_PLL5G_CFG0_ENA_CP1 | |
| HSIO_PLL5G_CFG0_SELCPI(2) | |
| HSIO_PLL5G_CFG0_LOOP_BW_RES(0xe) | |
| HSIO_PLL5G_CFG0_SELBGV820(4) | |
| HSIO_PLL5G_CFG0_DIV4 | |
| HSIO_PLL5G_CFG0_ENA_CLKTREE | |
| HSIO_PLL5G_CFG0_ENA_LANE); |
| regmap_write(ocelot->targets[HSIO], HSIO_PLL5G_CFG2, |
| HSIO_PLL5G_CFG2_EN_RESET_FRQ_DET | |
| HSIO_PLL5G_CFG2_EN_RESET_OVERRUN | |
| HSIO_PLL5G_CFG2_GAIN_TEST(0x8) | |
| HSIO_PLL5G_CFG2_ENA_AMPCTRL | |
| HSIO_PLL5G_CFG2_PWD_AMPCTRL_N | |
| HSIO_PLL5G_CFG2_AMPC_SEL(0x10)); |
| } |
| |
| static int ocelot_chip_init(struct ocelot *ocelot, const struct ocelot_ops *ops) |
| { |
| int ret; |
| |
| ocelot->map = ocelot_regmap; |
| ocelot->stats_layout = ocelot_stats_layout; |
| ocelot->num_stats = ARRAY_SIZE(ocelot_stats_layout); |
| ocelot->shared_queue_sz = 224 * 1024; |
| ocelot->num_mact_rows = 1024; |
| ocelot->ops = ops; |
| |
| ret = ocelot_regfields_init(ocelot, ocelot_regfields); |
| if (ret) |
| return ret; |
| |
| ocelot_pll5_init(ocelot); |
| |
| eth_random_addr(ocelot->base_mac); |
| ocelot->base_mac[5] &= 0xf0; |
| |
| return 0; |
| } |
| |
| static int ocelot_parse_ifh(u32 *_ifh, struct frame_info *info) |
| { |
| u8 llen, wlen; |
| u64 ifh[2]; |
| |
| ifh[0] = be64_to_cpu(((__force __be64 *)_ifh)[0]); |
| ifh[1] = be64_to_cpu(((__force __be64 *)_ifh)[1]); |
| |
| wlen = IFH_EXTRACT_BITFIELD64(ifh[0], 7, 8); |
| llen = IFH_EXTRACT_BITFIELD64(ifh[0], 15, 6); |
| |
| info->len = OCELOT_BUFFER_CELL_SZ * wlen + llen - 80; |
| |
| info->timestamp = IFH_EXTRACT_BITFIELD64(ifh[0], 21, 32); |
| |
| info->port = IFH_EXTRACT_BITFIELD64(ifh[1], 43, 4); |
| |
| info->tag_type = IFH_EXTRACT_BITFIELD64(ifh[1], 16, 1); |
| info->vid = IFH_EXTRACT_BITFIELD64(ifh[1], 0, 12); |
| |
| return 0; |
| } |
| |
| static int ocelot_rx_frame_word(struct ocelot *ocelot, u8 grp, bool ifh, |
| u32 *rval) |
| { |
| u32 val; |
| u32 bytes_valid; |
| |
| val = ocelot_read_rix(ocelot, QS_XTR_RD, grp); |
| if (val == XTR_NOT_READY) { |
| if (ifh) |
| return -EIO; |
| |
| do { |
| val = ocelot_read_rix(ocelot, QS_XTR_RD, grp); |
| } while (val == XTR_NOT_READY); |
| } |
| |
| switch (val) { |
| case XTR_ABORT: |
| return -EIO; |
| case XTR_EOF_0: |
| case XTR_EOF_1: |
| case XTR_EOF_2: |
| case XTR_EOF_3: |
| case XTR_PRUNED: |
| bytes_valid = XTR_VALID_BYTES(val); |
| val = ocelot_read_rix(ocelot, QS_XTR_RD, grp); |
| if (val == XTR_ESCAPE) |
| *rval = ocelot_read_rix(ocelot, QS_XTR_RD, grp); |
| else |
| *rval = val; |
| |
| return bytes_valid; |
| case XTR_ESCAPE: |
| *rval = ocelot_read_rix(ocelot, QS_XTR_RD, grp); |
| |
| return 4; |
| default: |
| *rval = val; |
| |
| return 4; |
| } |
| } |
| |
| static irqreturn_t ocelot_xtr_irq_handler(int irq, void *arg) |
| { |
| struct ocelot *ocelot = arg; |
| int i = 0, grp = 0; |
| int err = 0; |
| |
| if (!(ocelot_read(ocelot, QS_XTR_DATA_PRESENT) & BIT(grp))) |
| return IRQ_NONE; |
| |
| do { |
| struct skb_shared_hwtstamps *shhwtstamps; |
| struct ocelot_port_private *priv; |
| struct ocelot_port *ocelot_port; |
| u64 tod_in_ns, full_ts_in_ns; |
| struct frame_info info = {}; |
| struct net_device *dev; |
| u32 ifh[4], val, *buf; |
| struct timespec64 ts; |
| int sz, len, buf_len; |
| struct sk_buff *skb; |
| |
| for (i = 0; i < OCELOT_TAG_LEN / 4; i++) { |
| err = ocelot_rx_frame_word(ocelot, grp, true, &ifh[i]); |
| if (err != 4) |
| break; |
| } |
| |
| if (err != 4) |
| break; |
| |
| /* At this point the IFH was read correctly, so it is safe to |
| * presume that there is no error. The err needs to be reset |
| * otherwise a frame could come in CPU queue between the while |
| * condition and the check for error later on. And in that case |
| * the new frame is just removed and not processed. |
| */ |
| err = 0; |
| |
| ocelot_parse_ifh(ifh, &info); |
| |
| ocelot_port = ocelot->ports[info.port]; |
| priv = container_of(ocelot_port, struct ocelot_port_private, |
| port); |
| dev = priv->dev; |
| |
| skb = netdev_alloc_skb(dev, info.len); |
| |
| if (unlikely(!skb)) { |
| netdev_err(dev, "Unable to allocate sk_buff\n"); |
| err = -ENOMEM; |
| break; |
| } |
| buf_len = info.len - ETH_FCS_LEN; |
| buf = (u32 *)skb_put(skb, buf_len); |
| |
| len = 0; |
| do { |
| sz = ocelot_rx_frame_word(ocelot, grp, false, &val); |
| *buf++ = val; |
| len += sz; |
| } while (len < buf_len); |
| |
| /* Read the FCS */ |
| sz = ocelot_rx_frame_word(ocelot, grp, false, &val); |
| /* Update the statistics if part of the FCS was read before */ |
| len -= ETH_FCS_LEN - sz; |
| |
| if (unlikely(dev->features & NETIF_F_RXFCS)) { |
| buf = (u32 *)skb_put(skb, ETH_FCS_LEN); |
| *buf = val; |
| } |
| |
| if (sz < 0) { |
| err = sz; |
| break; |
| } |
| |
| if (ocelot->ptp) { |
| ocelot_ptp_gettime64(&ocelot->ptp_info, &ts); |
| |
| tod_in_ns = ktime_set(ts.tv_sec, ts.tv_nsec); |
| if ((tod_in_ns & 0xffffffff) < info.timestamp) |
| full_ts_in_ns = (((tod_in_ns >> 32) - 1) << 32) | |
| info.timestamp; |
| else |
| full_ts_in_ns = (tod_in_ns & GENMASK_ULL(63, 32)) | |
| info.timestamp; |
| |
| shhwtstamps = skb_hwtstamps(skb); |
| memset(shhwtstamps, 0, sizeof(struct skb_shared_hwtstamps)); |
| shhwtstamps->hwtstamp = full_ts_in_ns; |
| } |
| |
| /* Everything we see on an interface that is in the HW bridge |
| * has already been forwarded. |
| */ |
| if (ocelot->bridge_mask & BIT(info.port)) |
| skb->offload_fwd_mark = 1; |
| |
| skb->protocol = eth_type_trans(skb, dev); |
| if (!skb_defer_rx_timestamp(skb)) |
| netif_rx(skb); |
| dev->stats.rx_bytes += len; |
| dev->stats.rx_packets++; |
| } while (ocelot_read(ocelot, QS_XTR_DATA_PRESENT) & BIT(grp)); |
| |
| if (err) |
| while (ocelot_read(ocelot, QS_XTR_DATA_PRESENT) & BIT(grp)) |
| ocelot_read_rix(ocelot, QS_XTR_RD, grp); |
| |
| return IRQ_HANDLED; |
| } |
| |
| static irqreturn_t ocelot_ptp_rdy_irq_handler(int irq, void *arg) |
| { |
| struct ocelot *ocelot = arg; |
| |
| ocelot_get_txtstamp(ocelot); |
| |
| return IRQ_HANDLED; |
| } |
| |
| static const struct of_device_id mscc_ocelot_match[] = { |
| { .compatible = "mscc,vsc7514-switch" }, |
| { } |
| }; |
| MODULE_DEVICE_TABLE(of, mscc_ocelot_match); |
| |
| static int ocelot_reset(struct ocelot *ocelot) |
| { |
| int retries = 100; |
| u32 val; |
| |
| regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_INIT], 1); |
| regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_ENA], 1); |
| |
| do { |
| msleep(1); |
| regmap_field_read(ocelot->regfields[SYS_RESET_CFG_MEM_INIT], |
| &val); |
| } while (val && --retries); |
| |
| if (!retries) |
| return -ETIMEDOUT; |
| |
| regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_ENA], 1); |
| regmap_field_write(ocelot->regfields[SYS_RESET_CFG_CORE_ENA], 1); |
| |
| return 0; |
| } |
| |
| /* Watermark encode |
| * Bit 8: Unit; 0:1, 1:16 |
| * Bit 7-0: Value to be multiplied with unit |
| */ |
| static u16 ocelot_wm_enc(u16 value) |
| { |
| WARN_ON(value >= 16 * BIT(8)); |
| |
| if (value >= BIT(8)) |
| return BIT(8) | (value / 16); |
| |
| return value; |
| } |
| |
| static const struct ocelot_ops ocelot_ops = { |
| .reset = ocelot_reset, |
| .wm_enc = ocelot_wm_enc, |
| .port_to_netdev = ocelot_port_to_netdev, |
| .netdev_to_port = ocelot_netdev_to_port, |
| }; |
| |
| static const struct vcap_field vsc7514_vcap_es0_keys[] = { |
| [VCAP_ES0_EGR_PORT] = { 0, 4}, |
| [VCAP_ES0_IGR_PORT] = { 4, 4}, |
| [VCAP_ES0_RSV] = { 8, 2}, |
| [VCAP_ES0_L2_MC] = { 10, 1}, |
| [VCAP_ES0_L2_BC] = { 11, 1}, |
| [VCAP_ES0_VID] = { 12, 12}, |
| [VCAP_ES0_DP] = { 24, 1}, |
| [VCAP_ES0_PCP] = { 25, 3}, |
| }; |
| |
| static const struct vcap_field vsc7514_vcap_es0_actions[] = { |
| [VCAP_ES0_ACT_PUSH_OUTER_TAG] = { 0, 2}, |
| [VCAP_ES0_ACT_PUSH_INNER_TAG] = { 2, 1}, |
| [VCAP_ES0_ACT_TAG_A_TPID_SEL] = { 3, 2}, |
| [VCAP_ES0_ACT_TAG_A_VID_SEL] = { 5, 1}, |
| [VCAP_ES0_ACT_TAG_A_PCP_SEL] = { 6, 2}, |
| [VCAP_ES0_ACT_TAG_A_DEI_SEL] = { 8, 2}, |
| [VCAP_ES0_ACT_TAG_B_TPID_SEL] = { 10, 2}, |
| [VCAP_ES0_ACT_TAG_B_VID_SEL] = { 12, 1}, |
| [VCAP_ES0_ACT_TAG_B_PCP_SEL] = { 13, 2}, |
| [VCAP_ES0_ACT_TAG_B_DEI_SEL] = { 15, 2}, |
| [VCAP_ES0_ACT_VID_A_VAL] = { 17, 12}, |
| [VCAP_ES0_ACT_PCP_A_VAL] = { 29, 3}, |
| [VCAP_ES0_ACT_DEI_A_VAL] = { 32, 1}, |
| [VCAP_ES0_ACT_VID_B_VAL] = { 33, 12}, |
| [VCAP_ES0_ACT_PCP_B_VAL] = { 45, 3}, |
| [VCAP_ES0_ACT_DEI_B_VAL] = { 48, 1}, |
| [VCAP_ES0_ACT_RSV] = { 49, 24}, |
| [VCAP_ES0_ACT_HIT_STICKY] = { 73, 1}, |
| }; |
| |
| static const struct vcap_field vsc7514_vcap_is1_keys[] = { |
| [VCAP_IS1_HK_TYPE] = { 0, 1}, |
| [VCAP_IS1_HK_LOOKUP] = { 1, 2}, |
| [VCAP_IS1_HK_IGR_PORT_MASK] = { 3, 12}, |
| [VCAP_IS1_HK_RSV] = { 15, 9}, |
| [VCAP_IS1_HK_OAM_Y1731] = { 24, 1}, |
| [VCAP_IS1_HK_L2_MC] = { 25, 1}, |
| [VCAP_IS1_HK_L2_BC] = { 26, 1}, |
| [VCAP_IS1_HK_IP_MC] = { 27, 1}, |
| [VCAP_IS1_HK_VLAN_TAGGED] = { 28, 1}, |
| [VCAP_IS1_HK_VLAN_DBL_TAGGED] = { 29, 1}, |
| [VCAP_IS1_HK_TPID] = { 30, 1}, |
| [VCAP_IS1_HK_VID] = { 31, 12}, |
| [VCAP_IS1_HK_DEI] = { 43, 1}, |
| [VCAP_IS1_HK_PCP] = { 44, 3}, |
| /* Specific Fields for IS1 Half Key S1_NORMAL */ |
| [VCAP_IS1_HK_L2_SMAC] = { 47, 48}, |
| [VCAP_IS1_HK_ETYPE_LEN] = { 95, 1}, |
| [VCAP_IS1_HK_ETYPE] = { 96, 16}, |
| [VCAP_IS1_HK_IP_SNAP] = {112, 1}, |
| [VCAP_IS1_HK_IP4] = {113, 1}, |
| /* Layer-3 Information */ |
| [VCAP_IS1_HK_L3_FRAGMENT] = {114, 1}, |
| [VCAP_IS1_HK_L3_FRAG_OFS_GT0] = {115, 1}, |
| [VCAP_IS1_HK_L3_OPTIONS] = {116, 1}, |
| [VCAP_IS1_HK_L3_DSCP] = {117, 6}, |
| [VCAP_IS1_HK_L3_IP4_SIP] = {123, 32}, |
| /* Layer-4 Information */ |
| [VCAP_IS1_HK_TCP_UDP] = {155, 1}, |
| [VCAP_IS1_HK_TCP] = {156, 1}, |
| [VCAP_IS1_HK_L4_SPORT] = {157, 16}, |
| [VCAP_IS1_HK_L4_RNG] = {173, 8}, |
| /* Specific Fields for IS1 Half Key S1_5TUPLE_IP4 */ |
| [VCAP_IS1_HK_IP4_INNER_TPID] = { 47, 1}, |
| [VCAP_IS1_HK_IP4_INNER_VID] = { 48, 12}, |
| [VCAP_IS1_HK_IP4_INNER_DEI] = { 60, 1}, |
| [VCAP_IS1_HK_IP4_INNER_PCP] = { 61, 3}, |
| [VCAP_IS1_HK_IP4_IP4] = { 64, 1}, |
| [VCAP_IS1_HK_IP4_L3_FRAGMENT] = { 65, 1}, |
| [VCAP_IS1_HK_IP4_L3_FRAG_OFS_GT0] = { 66, 1}, |
| [VCAP_IS1_HK_IP4_L3_OPTIONS] = { 67, 1}, |
| [VCAP_IS1_HK_IP4_L3_DSCP] = { 68, 6}, |
| [VCAP_IS1_HK_IP4_L3_IP4_DIP] = { 74, 32}, |
| [VCAP_IS1_HK_IP4_L3_IP4_SIP] = {106, 32}, |
| [VCAP_IS1_HK_IP4_L3_PROTO] = {138, 8}, |
| [VCAP_IS1_HK_IP4_TCP_UDP] = {146, 1}, |
| [VCAP_IS1_HK_IP4_TCP] = {147, 1}, |
| [VCAP_IS1_HK_IP4_L4_RNG] = {148, 8}, |
| [VCAP_IS1_HK_IP4_IP_PAYLOAD_S1_5TUPLE] = {156, 32}, |
| }; |
| |
| static const struct vcap_field vsc7514_vcap_is1_actions[] = { |
| [VCAP_IS1_ACT_DSCP_ENA] = { 0, 1}, |
| [VCAP_IS1_ACT_DSCP_VAL] = { 1, 6}, |
| [VCAP_IS1_ACT_QOS_ENA] = { 7, 1}, |
| [VCAP_IS1_ACT_QOS_VAL] = { 8, 3}, |
| [VCAP_IS1_ACT_DP_ENA] = { 11, 1}, |
| [VCAP_IS1_ACT_DP_VAL] = { 12, 1}, |
| [VCAP_IS1_ACT_PAG_OVERRIDE_MASK] = { 13, 8}, |
| [VCAP_IS1_ACT_PAG_VAL] = { 21, 8}, |
| [VCAP_IS1_ACT_RSV] = { 29, 9}, |
| /* The fields below are incorrectly shifted by 2 in the manual */ |
| [VCAP_IS1_ACT_VID_REPLACE_ENA] = { 38, 1}, |
| [VCAP_IS1_ACT_VID_ADD_VAL] = { 39, 12}, |
| [VCAP_IS1_ACT_FID_SEL] = { 51, 2}, |
| [VCAP_IS1_ACT_FID_VAL] = { 53, 13}, |
| [VCAP_IS1_ACT_PCP_DEI_ENA] = { 66, 1}, |
| [VCAP_IS1_ACT_PCP_VAL] = { 67, 3}, |
| [VCAP_IS1_ACT_DEI_VAL] = { 70, 1}, |
| [VCAP_IS1_ACT_VLAN_POP_CNT_ENA] = { 71, 1}, |
| [VCAP_IS1_ACT_VLAN_POP_CNT] = { 72, 2}, |
| [VCAP_IS1_ACT_CUSTOM_ACE_TYPE_ENA] = { 74, 4}, |
| [VCAP_IS1_ACT_HIT_STICKY] = { 78, 1}, |
| }; |
| |
| static const struct vcap_field vsc7514_vcap_is2_keys[] = { |
| /* Common: 46 bits */ |
| [VCAP_IS2_TYPE] = { 0, 4}, |
| [VCAP_IS2_HK_FIRST] = { 4, 1}, |
| [VCAP_IS2_HK_PAG] = { 5, 8}, |
| [VCAP_IS2_HK_IGR_PORT_MASK] = { 13, 12}, |
| [VCAP_IS2_HK_RSV2] = { 25, 1}, |
| [VCAP_IS2_HK_HOST_MATCH] = { 26, 1}, |
| [VCAP_IS2_HK_L2_MC] = { 27, 1}, |
| [VCAP_IS2_HK_L2_BC] = { 28, 1}, |
| [VCAP_IS2_HK_VLAN_TAGGED] = { 29, 1}, |
| [VCAP_IS2_HK_VID] = { 30, 12}, |
| [VCAP_IS2_HK_DEI] = { 42, 1}, |
| [VCAP_IS2_HK_PCP] = { 43, 3}, |
| /* MAC_ETYPE / MAC_LLC / MAC_SNAP / OAM common */ |
| [VCAP_IS2_HK_L2_DMAC] = { 46, 48}, |
| [VCAP_IS2_HK_L2_SMAC] = { 94, 48}, |
| /* MAC_ETYPE (TYPE=000) */ |
| [VCAP_IS2_HK_MAC_ETYPE_ETYPE] = {142, 16}, |
| [VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD0] = {158, 16}, |
| [VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD1] = {174, 8}, |
| [VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD2] = {182, 3}, |
| /* MAC_LLC (TYPE=001) */ |
| [VCAP_IS2_HK_MAC_LLC_L2_LLC] = {142, 40}, |
| /* MAC_SNAP (TYPE=010) */ |
| [VCAP_IS2_HK_MAC_SNAP_L2_SNAP] = {142, 40}, |
| /* MAC_ARP (TYPE=011) */ |
| [VCAP_IS2_HK_MAC_ARP_SMAC] = { 46, 48}, |
| [VCAP_IS2_HK_MAC_ARP_ADDR_SPACE_OK] = { 94, 1}, |
| [VCAP_IS2_HK_MAC_ARP_PROTO_SPACE_OK] = { 95, 1}, |
| [VCAP_IS2_HK_MAC_ARP_LEN_OK] = { 96, 1}, |
| [VCAP_IS2_HK_MAC_ARP_TARGET_MATCH] = { 97, 1}, |
| [VCAP_IS2_HK_MAC_ARP_SENDER_MATCH] = { 98, 1}, |
| [VCAP_IS2_HK_MAC_ARP_OPCODE_UNKNOWN] = { 99, 1}, |
| [VCAP_IS2_HK_MAC_ARP_OPCODE] = {100, 2}, |
| [VCAP_IS2_HK_MAC_ARP_L3_IP4_DIP] = {102, 32}, |
| [VCAP_IS2_HK_MAC_ARP_L3_IP4_SIP] = {134, 32}, |
| [VCAP_IS2_HK_MAC_ARP_DIP_EQ_SIP] = {166, 1}, |
| /* IP4_TCP_UDP / IP4_OTHER common */ |
| [VCAP_IS2_HK_IP4] = { 46, 1}, |
| [VCAP_IS2_HK_L3_FRAGMENT] = { 47, 1}, |
| [VCAP_IS2_HK_L3_FRAG_OFS_GT0] = { 48, 1}, |
| [VCAP_IS2_HK_L3_OPTIONS] = { 49, 1}, |
| [VCAP_IS2_HK_IP4_L3_TTL_GT0] = { 50, 1}, |
| [VCAP_IS2_HK_L3_TOS] = { 51, 8}, |
| [VCAP_IS2_HK_L3_IP4_DIP] = { 59, 32}, |
| [VCAP_IS2_HK_L3_IP4_SIP] = { 91, 32}, |
| [VCAP_IS2_HK_DIP_EQ_SIP] = {123, 1}, |
| /* IP4_TCP_UDP (TYPE=100) */ |
| [VCAP_IS2_HK_TCP] = {124, 1}, |
| [VCAP_IS2_HK_L4_DPORT] = {125, 16}, |
| [VCAP_IS2_HK_L4_SPORT] = {141, 16}, |
| [VCAP_IS2_HK_L4_RNG] = {157, 8}, |
| [VCAP_IS2_HK_L4_SPORT_EQ_DPORT] = {165, 1}, |
| [VCAP_IS2_HK_L4_SEQUENCE_EQ0] = {166, 1}, |
| [VCAP_IS2_HK_L4_FIN] = {167, 1}, |
| [VCAP_IS2_HK_L4_SYN] = {168, 1}, |
| [VCAP_IS2_HK_L4_RST] = {169, 1}, |
| [VCAP_IS2_HK_L4_PSH] = {170, 1}, |
| [VCAP_IS2_HK_L4_ACK] = {171, 1}, |
| [VCAP_IS2_HK_L4_URG] = {172, 1}, |
| [VCAP_IS2_HK_L4_1588_DOM] = {173, 8}, |
| [VCAP_IS2_HK_L4_1588_VER] = {181, 4}, |
| /* IP4_OTHER (TYPE=101) */ |
| [VCAP_IS2_HK_IP4_L3_PROTO] = {124, 8}, |
| [VCAP_IS2_HK_L3_PAYLOAD] = {132, 56}, |
| /* IP6_STD (TYPE=110) */ |
| [VCAP_IS2_HK_IP6_L3_TTL_GT0] = { 46, 1}, |
| [VCAP_IS2_HK_L3_IP6_SIP] = { 47, 128}, |
| [VCAP_IS2_HK_IP6_L3_PROTO] = {175, 8}, |
| /* OAM (TYPE=111) */ |
| [VCAP_IS2_HK_OAM_MEL_FLAGS] = {142, 7}, |
| [VCAP_IS2_HK_OAM_VER] = {149, 5}, |
| [VCAP_IS2_HK_OAM_OPCODE] = {154, 8}, |
| [VCAP_IS2_HK_OAM_FLAGS] = {162, 8}, |
| [VCAP_IS2_HK_OAM_MEPID] = {170, 16}, |
| [VCAP_IS2_HK_OAM_CCM_CNTS_EQ0] = {186, 1}, |
| [VCAP_IS2_HK_OAM_IS_Y1731] = {187, 1}, |
| }; |
| |
| static const struct vcap_field vsc7514_vcap_is2_actions[] = { |
| [VCAP_IS2_ACT_HIT_ME_ONCE] = { 0, 1}, |
| [VCAP_IS2_ACT_CPU_COPY_ENA] = { 1, 1}, |
| [VCAP_IS2_ACT_CPU_QU_NUM] = { 2, 3}, |
| [VCAP_IS2_ACT_MASK_MODE] = { 5, 2}, |
| [VCAP_IS2_ACT_MIRROR_ENA] = { 7, 1}, |
| [VCAP_IS2_ACT_LRN_DIS] = { 8, 1}, |
| [VCAP_IS2_ACT_POLICE_ENA] = { 9, 1}, |
| [VCAP_IS2_ACT_POLICE_IDX] = { 10, 9}, |
| [VCAP_IS2_ACT_POLICE_VCAP_ONLY] = { 19, 1}, |
| [VCAP_IS2_ACT_PORT_MASK] = { 20, 11}, |
| [VCAP_IS2_ACT_REW_OP] = { 31, 9}, |
| [VCAP_IS2_ACT_SMAC_REPLACE_ENA] = { 40, 1}, |
| [VCAP_IS2_ACT_RSV] = { 41, 2}, |
| [VCAP_IS2_ACT_ACL_ID] = { 43, 6}, |
| [VCAP_IS2_ACT_HIT_CNT] = { 49, 32}, |
| }; |
| |
| static struct vcap_props vsc7514_vcap_props[] = { |
| [VCAP_ES0] = { |
| .action_type_width = 0, |
| .action_table = { |
| [ES0_ACTION_TYPE_NORMAL] = { |
| .width = 73, /* HIT_STICKY not included */ |
| .count = 1, |
| }, |
| }, |
| .target = S0, |
| .keys = vsc7514_vcap_es0_keys, |
| .actions = vsc7514_vcap_es0_actions, |
| }, |
| [VCAP_IS1] = { |
| .action_type_width = 0, |
| .action_table = { |
| [IS1_ACTION_TYPE_NORMAL] = { |
| .width = 78, /* HIT_STICKY not included */ |
| .count = 4, |
| }, |
| }, |
| .target = S1, |
| .keys = vsc7514_vcap_is1_keys, |
| .actions = vsc7514_vcap_is1_actions, |
| }, |
| [VCAP_IS2] = { |
| .action_type_width = 1, |
| .action_table = { |
| [IS2_ACTION_TYPE_NORMAL] = { |
| .width = 49, |
| .count = 2 |
| }, |
| [IS2_ACTION_TYPE_SMAC_SIP] = { |
| .width = 6, |
| .count = 4 |
| }, |
| }, |
| .target = S2, |
| .keys = vsc7514_vcap_is2_keys, |
| .actions = vsc7514_vcap_is2_actions, |
| }, |
| }; |
| |
| static struct ptp_clock_info ocelot_ptp_clock_info = { |
| .owner = THIS_MODULE, |
| .name = "ocelot ptp", |
| .max_adj = 0x7fffffff, |
| .n_alarm = 0, |
| .n_ext_ts = 0, |
| .n_per_out = OCELOT_PTP_PINS_NUM, |
| .n_pins = OCELOT_PTP_PINS_NUM, |
| .pps = 0, |
| .gettime64 = ocelot_ptp_gettime64, |
| .settime64 = ocelot_ptp_settime64, |
| .adjtime = ocelot_ptp_adjtime, |
| .adjfine = ocelot_ptp_adjfine, |
| .verify = ocelot_ptp_verify, |
| .enable = ocelot_ptp_enable, |
| }; |
| |
| static void mscc_ocelot_release_ports(struct ocelot *ocelot) |
| { |
| int port; |
| |
| for (port = 0; port < ocelot->num_phys_ports; port++) { |
| struct ocelot_port_private *priv; |
| struct ocelot_port *ocelot_port; |
| |
| ocelot_port = ocelot->ports[port]; |
| if (!ocelot_port) |
| continue; |
| |
| ocelot_deinit_port(ocelot, port); |
| |
| priv = container_of(ocelot_port, struct ocelot_port_private, |
| port); |
| |
| unregister_netdev(priv->dev); |
| free_netdev(priv->dev); |
| } |
| } |
| |
| static int mscc_ocelot_init_ports(struct platform_device *pdev, |
| struct device_node *ports) |
| { |
| struct ocelot *ocelot = platform_get_drvdata(pdev); |
| struct device_node *portnp; |
| int err; |
| |
| ocelot->ports = devm_kcalloc(ocelot->dev, ocelot->num_phys_ports, |
| sizeof(struct ocelot_port *), GFP_KERNEL); |
| if (!ocelot->ports) |
| return -ENOMEM; |
| |
| for_each_available_child_of_node(ports, portnp) { |
| struct ocelot_port_private *priv; |
| struct ocelot_port *ocelot_port; |
| struct device_node *phy_node; |
| phy_interface_t phy_mode; |
| struct phy_device *phy; |
| struct regmap *target; |
| struct resource *res; |
| struct phy *serdes; |
| char res_name[8]; |
| u32 port; |
| |
| if (of_property_read_u32(portnp, "reg", &port)) |
| continue; |
| |
| snprintf(res_name, sizeof(res_name), "port%d", port); |
| |
| res = platform_get_resource_byname(pdev, IORESOURCE_MEM, |
| res_name); |
| target = ocelot_regmap_init(ocelot, res); |
| if (IS_ERR(target)) |
| continue; |
| |
| phy_node = of_parse_phandle(portnp, "phy-handle", 0); |
| if (!phy_node) |
| continue; |
| |
| phy = of_phy_find_device(phy_node); |
| of_node_put(phy_node); |
| if (!phy) |
| continue; |
| |
| err = ocelot_probe_port(ocelot, port, target, phy); |
| if (err) { |
| of_node_put(portnp); |
| return err; |
| } |
| |
| ocelot_port = ocelot->ports[port]; |
| priv = container_of(ocelot_port, struct ocelot_port_private, |
| port); |
| |
| of_get_phy_mode(portnp, &phy_mode); |
| |
| ocelot_port->phy_mode = phy_mode; |
| |
| switch (ocelot_port->phy_mode) { |
| case PHY_INTERFACE_MODE_NA: |
| continue; |
| case PHY_INTERFACE_MODE_SGMII: |
| break; |
| case PHY_INTERFACE_MODE_QSGMII: |
| /* Ensure clock signals and speed is set on all |
| * QSGMII links |
| */ |
| ocelot_port_writel(ocelot_port, |
| DEV_CLOCK_CFG_LINK_SPEED |
| (OCELOT_SPEED_1000), |
| DEV_CLOCK_CFG); |
| break; |
| default: |
| dev_err(ocelot->dev, |
| "invalid phy mode for port%d, (Q)SGMII only\n", |
| port); |
| of_node_put(portnp); |
| return -EINVAL; |
| } |
| |
| serdes = devm_of_phy_get(ocelot->dev, portnp, NULL); |
| if (IS_ERR(serdes)) { |
| err = PTR_ERR(serdes); |
| if (err == -EPROBE_DEFER) |
| dev_dbg(ocelot->dev, "deferring probe\n"); |
| else |
| dev_err(ocelot->dev, |
| "missing SerDes phys for port%d\n", |
| port); |
| |
| of_node_put(portnp); |
| return err; |
| } |
| |
| priv->serdes = serdes; |
| } |
| |
| return 0; |
| } |
| |
| static int mscc_ocelot_probe(struct platform_device *pdev) |
| { |
| struct device_node *np = pdev->dev.of_node; |
| int err, irq_xtr, irq_ptp_rdy; |
| struct device_node *ports; |
| struct ocelot *ocelot; |
| struct regmap *hsio; |
| unsigned int i; |
| |
| struct { |
| enum ocelot_target id; |
| char *name; |
| u8 optional:1; |
| } io_target[] = { |
| { SYS, "sys" }, |
| { REW, "rew" }, |
| { QSYS, "qsys" }, |
| { ANA, "ana" }, |
| { QS, "qs" }, |
| { S0, "s0" }, |
| { S1, "s1" }, |
| { S2, "s2" }, |
| { PTP, "ptp", 1 }, |
| }; |
| |
| if (!np && !pdev->dev.platform_data) |
| return -ENODEV; |
| |
| ocelot = devm_kzalloc(&pdev->dev, sizeof(*ocelot), GFP_KERNEL); |
| if (!ocelot) |
| return -ENOMEM; |
| |
| platform_set_drvdata(pdev, ocelot); |
| ocelot->dev = &pdev->dev; |
| |
| for (i = 0; i < ARRAY_SIZE(io_target); i++) { |
| struct regmap *target; |
| struct resource *res; |
| |
| res = platform_get_resource_byname(pdev, IORESOURCE_MEM, |
| io_target[i].name); |
| |
| target = ocelot_regmap_init(ocelot, res); |
| if (IS_ERR(target)) { |
| if (io_target[i].optional) { |
| ocelot->targets[io_target[i].id] = NULL; |
| continue; |
| } |
| return PTR_ERR(target); |
| } |
| |
| ocelot->targets[io_target[i].id] = target; |
| } |
| |
| hsio = syscon_regmap_lookup_by_compatible("mscc,ocelot-hsio"); |
| if (IS_ERR(hsio)) { |
| dev_err(&pdev->dev, "missing hsio syscon\n"); |
| return PTR_ERR(hsio); |
| } |
| |
| ocelot->targets[HSIO] = hsio; |
| |
| err = ocelot_chip_init(ocelot, &ocelot_ops); |
| if (err) |
| return err; |
| |
| irq_xtr = platform_get_irq_byname(pdev, "xtr"); |
| if (irq_xtr < 0) |
| return -ENODEV; |
| |
| err = devm_request_threaded_irq(&pdev->dev, irq_xtr, NULL, |
| ocelot_xtr_irq_handler, IRQF_ONESHOT, |
| "frame extraction", ocelot); |
| if (err) |
| return err; |
| |
| irq_ptp_rdy = platform_get_irq_byname(pdev, "ptp_rdy"); |
| if (irq_ptp_rdy > 0 && ocelot->targets[PTP]) { |
| err = devm_request_threaded_irq(&pdev->dev, irq_ptp_rdy, NULL, |
| ocelot_ptp_rdy_irq_handler, |
| IRQF_ONESHOT, "ptp ready", |
| ocelot); |
| if (err) |
| return err; |
| |
| /* Both the PTP interrupt and the PTP bank are available */ |
| ocelot->ptp = 1; |
| } |
| |
| ports = of_get_child_by_name(np, "ethernet-ports"); |
| if (!ports) { |
| dev_err(ocelot->dev, "no ethernet-ports child node found\n"); |
| return -ENODEV; |
| } |
| |
| ocelot->num_phys_ports = of_get_child_count(ports); |
| ocelot->num_flooding_pgids = 1; |
| |
| ocelot->vcap = vsc7514_vcap_props; |
| ocelot->inj_prefix = OCELOT_TAG_PREFIX_NONE; |
| ocelot->xtr_prefix = OCELOT_TAG_PREFIX_NONE; |
| ocelot->npi = -1; |
| |
| err = ocelot_init(ocelot); |
| if (err) |
| goto out_put_ports; |
| |
| err = mscc_ocelot_init_ports(pdev, ports); |
| if (err) |
| goto out_ocelot_deinit; |
| |
| if (ocelot->ptp) { |
| err = ocelot_init_timestamp(ocelot, &ocelot_ptp_clock_info); |
| if (err) { |
| dev_err(ocelot->dev, |
| "Timestamp initialization failed\n"); |
| ocelot->ptp = 0; |
| } |
| } |
| |
| register_netdevice_notifier(&ocelot_netdevice_nb); |
| register_switchdev_notifier(&ocelot_switchdev_nb); |
| register_switchdev_blocking_notifier(&ocelot_switchdev_blocking_nb); |
| |
| of_node_put(ports); |
| |
| dev_info(&pdev->dev, "Ocelot switch probed\n"); |
| |
| return 0; |
| |
| out_ocelot_deinit: |
| ocelot_deinit(ocelot); |
| out_put_ports: |
| of_node_put(ports); |
| return err; |
| } |
| |
| static int mscc_ocelot_remove(struct platform_device *pdev) |
| { |
| struct ocelot *ocelot = platform_get_drvdata(pdev); |
| |
| ocelot_deinit_timestamp(ocelot); |
| mscc_ocelot_release_ports(ocelot); |
| ocelot_deinit(ocelot); |
| unregister_switchdev_blocking_notifier(&ocelot_switchdev_blocking_nb); |
| unregister_switchdev_notifier(&ocelot_switchdev_nb); |
| unregister_netdevice_notifier(&ocelot_netdevice_nb); |
| |
| return 0; |
| } |
| |
| static struct platform_driver mscc_ocelot_driver = { |
| .probe = mscc_ocelot_probe, |
| .remove = mscc_ocelot_remove, |
| .driver = { |
| .name = "ocelot-switch", |
| .of_match_table = mscc_ocelot_match, |
| }, |
| }; |
| |
| module_platform_driver(mscc_ocelot_driver); |
| |
| MODULE_DESCRIPTION("Microsemi Ocelot switch driver"); |
| MODULE_AUTHOR("Alexandre Belloni <alexandre.belloni@bootlin.com>"); |
| MODULE_LICENSE("Dual MIT/GPL"); |