| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Clément Leger | 819 | 100.00% | 3 | 100.00% |
| Total | 819 | 3 |
/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2022 Schneider Electric * * Clément Léger <clement.leger@bootlin.com> */ #include <linux/clk.h> #include <linux/debugfs.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_mdio.h> #include <linux/platform_device.h> #include <linux/pcs-rzn1-miic.h> #include <net/dsa.h> #define A5PSW_REVISION 0x0 #define A5PSW_PORT_OFFSET(port) (0x400 * (port)) #define A5PSW_PORT_ENA 0x8 #define A5PSW_PORT_ENA_RX_SHIFT 16 #define A5PSW_PORT_ENA_TX_RX(port) (BIT((port) + A5PSW_PORT_ENA_RX_SHIFT) | \ BIT(port)) #define A5PSW_UCAST_DEF_MASK 0xC #define A5PSW_VLAN_VERIFY 0x10 #define A5PSW_VLAN_VERI_SHIFT 0 #define A5PSW_VLAN_DISC_SHIFT 16 #define A5PSW_BCAST_DEF_MASK 0x14 #define A5PSW_MCAST_DEF_MASK 0x18 #define A5PSW_INPUT_LEARN 0x1C #define A5PSW_INPUT_LEARN_DIS(p) BIT((p) + 16) #define A5PSW_INPUT_LEARN_BLOCK(p) BIT(p) #define A5PSW_MGMT_CFG 0x20 #define A5PSW_MGMT_CFG_DISCARD BIT(7) #define A5PSW_MODE_CFG 0x24 #define A5PSW_MODE_STATS_RESET BIT(31) #define A5PSW_VLAN_IN_MODE 0x28 #define A5PSW_VLAN_IN_MODE_PORT_SHIFT(port) ((port) * 2) #define A5PSW_VLAN_IN_MODE_PORT(port) (GENMASK(1, 0) << \ A5PSW_VLAN_IN_MODE_PORT_SHIFT(port)) #define A5PSW_VLAN_IN_MODE_SINGLE_PASSTHROUGH 0x0 #define A5PSW_VLAN_IN_MODE_SINGLE_REPLACE 0x1 #define A5PSW_VLAN_IN_MODE_TAG_ALWAYS 0x2 #define A5PSW_VLAN_OUT_MODE 0x2C #define A5PSW_VLAN_OUT_MODE_PORT(port) (GENMASK(1, 0) << ((port) * 2)) #define A5PSW_VLAN_OUT_MODE_DIS 0x0 #define A5PSW_VLAN_OUT_MODE_STRIP 0x1 #define A5PSW_VLAN_OUT_MODE_TAG_THROUGH 0x2 #define A5PSW_VLAN_OUT_MODE_TRANSPARENT 0x3 #define A5PSW_VLAN_IN_MODE_ENA 0x30 #define A5PSW_VLAN_TAG_ID 0x34 #define A5PSW_SYSTEM_TAGINFO(port) (0x200 + A5PSW_PORT_OFFSET(port)) #define A5PSW_AUTH_PORT(port) (0x240 + 4 * (port)) #define A5PSW_AUTH_PORT_AUTHORIZED BIT(0) #define A5PSW_VLAN_RES(entry) (0x280 + 4 * (entry)) #define A5PSW_VLAN_RES_WR_PORTMASK BIT(30) #define A5PSW_VLAN_RES_WR_TAGMASK BIT(29) #define A5PSW_VLAN_RES_RD_TAGMASK BIT(28) #define A5PSW_VLAN_RES_ID GENMASK(16, 5) #define A5PSW_VLAN_RES_PORTMASK GENMASK(4, 0) #define A5PSW_RXMATCH_CONFIG(port) (0x3e80 + 4 * (port)) #define A5PSW_RXMATCH_CONFIG_PATTERN(p) BIT(p) #define A5PSW_PATTERN_CTRL(p) (0x3eb0 + 4 * (p)) #define A5PSW_PATTERN_CTRL_MGMTFWD BIT(1) #define A5PSW_LK_CTRL 0x400 #define A5PSW_LK_ADDR_CTRL_BLOCKING BIT(0) #define A5PSW_LK_ADDR_CTRL_LEARNING BIT(1) #define A5PSW_LK_ADDR_CTRL_AGEING BIT(2) #define A5PSW_LK_ADDR_CTRL_ALLOW_MIGR BIT(3) #define A5PSW_LK_ADDR_CTRL_CLEAR_TABLE BIT(6) #define A5PSW_LK_ADDR_CTRL 0x408 #define A5PSW_LK_ADDR_CTRL_BUSY BIT(31) #define A5PSW_LK_ADDR_CTRL_DELETE_PORT BIT(30) #define A5PSW_LK_ADDR_CTRL_CLEAR BIT(29) #define A5PSW_LK_ADDR_CTRL_LOOKUP BIT(28) #define A5PSW_LK_ADDR_CTRL_WAIT BIT(27) #define A5PSW_LK_ADDR_CTRL_READ BIT(26) #define A5PSW_LK_ADDR_CTRL_WRITE BIT(25) #define A5PSW_LK_ADDR_CTRL_ADDRESS GENMASK(12, 0) #define A5PSW_LK_DATA_LO 0x40C #define A5PSW_LK_DATA_HI 0x410 #define A5PSW_LK_DATA_HI_VALID BIT(16) #define A5PSW_LK_DATA_HI_PORT BIT(16) #define A5PSW_LK_LEARNCOUNT 0x418 #define A5PSW_LK_LEARNCOUNT_COUNT GENMASK(13, 0) #define A5PSW_LK_LEARNCOUNT_MODE GENMASK(31, 30) #define A5PSW_LK_LEARNCOUNT_MODE_SET 0x0 #define A5PSW_LK_LEARNCOUNT_MODE_INC 0x1 #define A5PSW_LK_LEARNCOUNT_MODE_DEC 0x2 #define A5PSW_MGMT_TAG_CFG 0x480 #define A5PSW_MGMT_TAG_CFG_TAGFIELD GENMASK(31, 16) #define A5PSW_MGMT_TAG_CFG_ALL_FRAMES BIT(1) #define A5PSW_MGMT_TAG_CFG_ENABLE BIT(0) #define A5PSW_LK_AGETIME 0x41C #define A5PSW_LK_AGETIME_MASK GENMASK(23, 0) #define A5PSW_MDIO_CFG_STATUS 0x700 #define A5PSW_MDIO_CFG_STATUS_CLKDIV GENMASK(15, 7) #define A5PSW_MDIO_CFG_STATUS_READERR BIT(1) #define A5PSW_MDIO_CFG_STATUS_BUSY BIT(0) #define A5PSW_MDIO_COMMAND 0x704 /* Register is named TRAININIT in datasheet and should be set when reading */ #define A5PSW_MDIO_COMMAND_READ BIT(15) #define A5PSW_MDIO_COMMAND_PHY_ADDR GENMASK(9, 5) #define A5PSW_MDIO_COMMAND_REG_ADDR GENMASK(4, 0) #define A5PSW_MDIO_DATA 0x708 #define A5PSW_MDIO_DATA_MASK GENMASK(15, 0) #define A5PSW_CMD_CFG(port) (0x808 + A5PSW_PORT_OFFSET(port)) #define A5PSW_CMD_CFG_CNTL_FRM_ENA BIT(23) #define A5PSW_CMD_CFG_SW_RESET BIT(13) #define A5PSW_CMD_CFG_TX_CRC_APPEND BIT(11) #define A5PSW_CMD_CFG_HD_ENA BIT(10) #define A5PSW_CMD_CFG_PAUSE_IGNORE BIT(8) #define A5PSW_CMD_CFG_CRC_FWD BIT(6) #define A5PSW_CMD_CFG_ETH_SPEED BIT(3) #define A5PSW_CMD_CFG_RX_ENA BIT(1) #define A5PSW_CMD_CFG_TX_ENA BIT(0) #define A5PSW_FRM_LENGTH(port) (0x814 + A5PSW_PORT_OFFSET(port)) #define A5PSW_FRM_LENGTH_MASK GENMASK(13, 0) #define A5PSW_STATUS(port) (0x840 + A5PSW_PORT_OFFSET(port)) #define A5PSW_STATS_HIWORD 0x900 /* Stats */ #define A5PSW_aFramesTransmittedOK 0x868 #define A5PSW_aFramesReceivedOK 0x86C #define A5PSW_aFrameCheckSequenceErrors 0x870 #define A5PSW_aAlignmentErrors 0x874 #define A5PSW_aOctetsTransmittedOK 0x878 #define A5PSW_aOctetsReceivedOK 0x87C #define A5PSW_aTxPAUSEMACCtrlFrames 0x880 #define A5PSW_aRxPAUSEMACCtrlFrames 0x884 /* If */ #define A5PSW_ifInErrors 0x888 #define A5PSW_ifOutErrors 0x88C #define A5PSW_ifInUcastPkts 0x890 #define A5PSW_ifInMulticastPkts 0x894 #define A5PSW_ifInBroadcastPkts 0x898 #define A5PSW_ifOutDiscards 0x89C #define A5PSW_ifOutUcastPkts 0x8A0 #define A5PSW_ifOutMulticastPkts 0x8A4 #define A5PSW_ifOutBroadcastPkts 0x8A8 /* Ether */ #define A5PSW_etherStatsDropEvents 0x8AC #define A5PSW_etherStatsOctets 0x8B0 #define A5PSW_etherStatsPkts 0x8B4 #define A5PSW_etherStatsUndersizePkts 0x8B8 #define A5PSW_etherStatsOversizePkts 0x8BC #define A5PSW_etherStatsPkts64Octets 0x8C0 #define A5PSW_etherStatsPkts65to127Octets 0x8C4 #define A5PSW_etherStatsPkts128to255Octets 0x8C8 #define A5PSW_etherStatsPkts256to511Octets 0x8CC #define A5PSW_etherStatsPkts512to1023Octets 0x8D0 #define A5PSW_etherStatsPkts1024to1518Octets 0x8D4 #define A5PSW_etherStatsPkts1519toXOctets 0x8D8 #define A5PSW_etherStatsJabbers 0x8DC #define A5PSW_etherStatsFragments 0x8E0 #define A5PSW_VLANReceived 0x8E8 #define A5PSW_VLANTransmitted 0x8EC #define A5PSW_aDeferred 0x910 #define A5PSW_aMultipleCollisions 0x914 #define A5PSW_aSingleCollisions 0x918 #define A5PSW_aLateCollisions 0x91C #define A5PSW_aExcessiveCollisions 0x920 #define A5PSW_aCarrierSenseErrors 0x924 #define A5PSW_VLAN_TAG(prio, id) (((prio) << 12) | (id)) #define A5PSW_PORTS_NUM 5 #define A5PSW_CPU_PORT (A5PSW_PORTS_NUM - 1) #define A5PSW_MDIO_DEF_FREQ 2500000 #define A5PSW_MDIO_TIMEOUT 100 #define A5PSW_JUMBO_LEN (10 * SZ_1K) #define A5PSW_MDIO_CLK_DIV_MIN 5 #define A5PSW_TAG_LEN 8 #define A5PSW_VLAN_COUNT 32 /* Ensure enough space for 2 VLAN tags */ #define A5PSW_EXTRA_MTU_LEN (A5PSW_TAG_LEN + 8) #define A5PSW_MAX_MTU (A5PSW_JUMBO_LEN - A5PSW_EXTRA_MTU_LEN) #define A5PSW_PATTERN_MGMTFWD 0 #define A5PSW_LK_BUSY_USEC_POLL 10 #define A5PSW_CTRL_TIMEOUT 1000 #define A5PSW_TABLE_ENTRIES 8192 struct fdb_entry { u8 mac[ETH_ALEN]; u16 valid:1; u16 is_static:1; u16 prio:3; u16 port_mask:5; u16 reserved:6; } __packed; union lk_data { struct { u32 lo; u32 hi; }; struct fdb_entry entry; }; /** * struct a5psw - switch struct * @base: Base address of the switch * @hclk: hclk_switch clock * @clk: clk_switch clock * @dev: Device associated to the switch * @mii_bus: MDIO bus struct * @mdio_freq: MDIO bus frequency requested * @pcs: Array of PCS connected to the switch ports (not for the CPU) * @ds: DSA switch struct * @stats_lock: lock to access statistics (shared HI counter) * @lk_lock: Lock for the lookup table * @reg_lock: Lock for register read-modify-write operation * @bridged_ports: Mask of ports that are bridged and should be flooded * @br_dev: Bridge net device */ struct a5psw { void __iomem *base; struct clk *hclk; struct clk *clk; struct device *dev; struct mii_bus *mii_bus; struct phylink_pcs *pcs[A5PSW_PORTS_NUM - 1]; struct dsa_switch ds; struct mutex lk_lock; spinlock_t reg_lock; u32 bridged_ports; struct net_device *br_dev; };
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