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-rw-r--r--drivers/net/ethernet/ti/cpsw.c1544
1 files changed, 161 insertions, 1383 deletions
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index a591583d120e..634fc484a0b3 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -1,16 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Texas Instruments Ethernet Switch Driver
*
* Copyright (C) 2012 Texas Instruments
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation version 2.
- *
- * This program is distributed "as is" WITHOUT ANY WARRANTY of any
- * kind, whether express or implied; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/kernel.h>
@@ -44,138 +37,13 @@
#include "cpsw.h"
#include "cpsw_ale.h"
+#include "cpsw_priv.h"
+#include "cpsw_sl.h"
#include "cpts.h"
#include "davinci_cpdma.h"
#include <net/pkt_sched.h>
-#define CPSW_DEBUG (NETIF_MSG_HW | NETIF_MSG_WOL | \
- NETIF_MSG_DRV | NETIF_MSG_LINK | \
- NETIF_MSG_IFUP | NETIF_MSG_INTR | \
- NETIF_MSG_PROBE | NETIF_MSG_TIMER | \
- NETIF_MSG_IFDOWN | NETIF_MSG_RX_ERR | \
- NETIF_MSG_TX_ERR | NETIF_MSG_TX_DONE | \
- NETIF_MSG_PKTDATA | NETIF_MSG_TX_QUEUED | \
- NETIF_MSG_RX_STATUS)
-
-#define cpsw_info(priv, type, format, ...) \
-do { \
- if (netif_msg_##type(priv) && net_ratelimit()) \
- dev_info(priv->dev, format, ## __VA_ARGS__); \
-} while (0)
-
-#define cpsw_err(priv, type, format, ...) \
-do { \
- if (netif_msg_##type(priv) && net_ratelimit()) \
- dev_err(priv->dev, format, ## __VA_ARGS__); \
-} while (0)
-
-#define cpsw_dbg(priv, type, format, ...) \
-do { \
- if (netif_msg_##type(priv) && net_ratelimit()) \
- dev_dbg(priv->dev, format, ## __VA_ARGS__); \
-} while (0)
-
-#define cpsw_notice(priv, type, format, ...) \
-do { \
- if (netif_msg_##type(priv) && net_ratelimit()) \
- dev_notice(priv->dev, format, ## __VA_ARGS__); \
-} while (0)
-
-#define ALE_ALL_PORTS 0x7
-
-#define CPSW_MAJOR_VERSION(reg) (reg >> 8 & 0x7)
-#define CPSW_MINOR_VERSION(reg) (reg & 0xff)
-#define CPSW_RTL_VERSION(reg) ((reg >> 11) & 0x1f)
-
-#define CPSW_VERSION_1 0x19010a
-#define CPSW_VERSION_2 0x19010c
-#define CPSW_VERSION_3 0x19010f
-#define CPSW_VERSION_4 0x190112
-
-#define HOST_PORT_NUM 0
-#define CPSW_ALE_PORTS_NUM 3
-#define SLIVER_SIZE 0x40
-
-#define CPSW1_HOST_PORT_OFFSET 0x028
-#define CPSW1_SLAVE_OFFSET 0x050
-#define CPSW1_SLAVE_SIZE 0x040
-#define CPSW1_CPDMA_OFFSET 0x100
-#define CPSW1_STATERAM_OFFSET 0x200
-#define CPSW1_HW_STATS 0x400
-#define CPSW1_CPTS_OFFSET 0x500
-#define CPSW1_ALE_OFFSET 0x600
-#define CPSW1_SLIVER_OFFSET 0x700
-
-#define CPSW2_HOST_PORT_OFFSET 0x108
-#define CPSW2_SLAVE_OFFSET 0x200
-#define CPSW2_SLAVE_SIZE 0x100
-#define CPSW2_CPDMA_OFFSET 0x800
-#define CPSW2_HW_STATS 0x900
-#define CPSW2_STATERAM_OFFSET 0xa00
-#define CPSW2_CPTS_OFFSET 0xc00
-#define CPSW2_ALE_OFFSET 0xd00
-#define CPSW2_SLIVER_OFFSET 0xd80
-#define CPSW2_BD_OFFSET 0x2000
-
-#define CPDMA_RXTHRESH 0x0c0
-#define CPDMA_RXFREE 0x0e0
-#define CPDMA_TXHDP 0x00
-#define CPDMA_RXHDP 0x20
-#define CPDMA_TXCP 0x40
-#define CPDMA_RXCP 0x60
-
-#define CPSW_POLL_WEIGHT 64
-#define CPSW_RX_VLAN_ENCAP_HDR_SIZE 4
-#define CPSW_MIN_PACKET_SIZE (VLAN_ETH_ZLEN)
-#define CPSW_MAX_PACKET_SIZE (VLAN_ETH_FRAME_LEN +\
- ETH_FCS_LEN +\
- CPSW_RX_VLAN_ENCAP_HDR_SIZE)
-
-#define RX_PRIORITY_MAPPING 0x76543210
-#define TX_PRIORITY_MAPPING 0x33221100
-#define CPDMA_TX_PRIORITY_MAP 0x76543210
-
-#define CPSW_VLAN_AWARE BIT(1)
-#define CPSW_RX_VLAN_ENCAP BIT(2)
-#define CPSW_ALE_VLAN_AWARE 1
-
-#define CPSW_FIFO_NORMAL_MODE (0 << 16)
-#define CPSW_FIFO_DUAL_MAC_MODE (1 << 16)
-#define CPSW_FIFO_RATE_LIMIT_MODE (2 << 16)
-
-#define CPSW_INTPACEEN (0x3f << 16)
-#define CPSW_INTPRESCALE_MASK (0x7FF << 0)
-#define CPSW_CMINTMAX_CNT 63
-#define CPSW_CMINTMIN_CNT 2
-#define CPSW_CMINTMAX_INTVL (1000 / CPSW_CMINTMIN_CNT)
-#define CPSW_CMINTMIN_INTVL ((1000 / CPSW_CMINTMAX_CNT) + 1)
-
-#define cpsw_slave_index(cpsw, priv) \
- ((cpsw->data.dual_emac) ? priv->emac_port : \
- cpsw->data.active_slave)
-#define IRQ_NUM 2
-#define CPSW_MAX_QUEUES 8
-#define CPSW_CPDMA_DESCS_POOL_SIZE_DEFAULT 256
-#define CPSW_FIFO_QUEUE_TYPE_SHIFT 16
-#define CPSW_FIFO_SHAPE_EN_SHIFT 16
-#define CPSW_FIFO_RATE_EN_SHIFT 20
-#define CPSW_TC_NUM 4
-#define CPSW_FIFO_SHAPERS_NUM (CPSW_TC_NUM - 1)
-#define CPSW_PCT_MASK 0x7f
-
-#define CPSW_RX_VLAN_ENCAP_HDR_PRIO_SHIFT 29
-#define CPSW_RX_VLAN_ENCAP_HDR_PRIO_MSK GENMASK(2, 0)
-#define CPSW_RX_VLAN_ENCAP_HDR_VID_SHIFT 16
-#define CPSW_RX_VLAN_ENCAP_HDR_PKT_TYPE_SHIFT 8
-#define CPSW_RX_VLAN_ENCAP_HDR_PKT_TYPE_MSK GENMASK(1, 0)
-enum {
- CPSW_RX_VLAN_ENCAP_HDR_PKT_VLAN_TAG = 0,
- CPSW_RX_VLAN_ENCAP_HDR_PKT_RESERV,
- CPSW_RX_VLAN_ENCAP_HDR_PKT_PRIO_TAG,
- CPSW_RX_VLAN_ENCAP_HDR_PKT_UNTAG,
-};
-
static int debug_level;
module_param(debug_level, int, 0);
MODULE_PARM_DESC(debug_level, "cpsw debug level (NETIF_MSG bits)");
@@ -192,369 +60,6 @@ static int descs_pool_size = CPSW_CPDMA_DESCS_POOL_SIZE_DEFAULT;
module_param(descs_pool_size, int, 0444);
MODULE_PARM_DESC(descs_pool_size, "Number of CPDMA CPPI descriptors in pool");
-struct cpsw_wr_regs {
- u32 id_ver;
- u32 soft_reset;
- u32 control;
- u32 int_control;
- u32 rx_thresh_en;
- u32 rx_en;
- u32 tx_en;
- u32 misc_en;
- u32 mem_allign1[8];
- u32 rx_thresh_stat;
- u32 rx_stat;
- u32 tx_stat;
- u32 misc_stat;
- u32 mem_allign2[8];
- u32 rx_imax;
- u32 tx_imax;
-
-};
-
-struct cpsw_ss_regs {
- u32 id_ver;
- u32 control;
- u32 soft_reset;
- u32 stat_port_en;
- u32 ptype;
- u32 soft_idle;
- u32 thru_rate;
- u32 gap_thresh;
- u32 tx_start_wds;
- u32 flow_control;
- u32 vlan_ltype;
- u32 ts_ltype;
- u32 dlr_ltype;
-};
-
-/* CPSW_PORT_V1 */
-#define CPSW1_MAX_BLKS 0x00 /* Maximum FIFO Blocks */
-#define CPSW1_BLK_CNT 0x04 /* FIFO Block Usage Count (Read Only) */
-#define CPSW1_TX_IN_CTL 0x08 /* Transmit FIFO Control */
-#define CPSW1_PORT_VLAN 0x0c /* VLAN Register */
-#define CPSW1_TX_PRI_MAP 0x10 /* Tx Header Priority to Switch Pri Mapping */
-#define CPSW1_TS_CTL 0x14 /* Time Sync Control */
-#define CPSW1_TS_SEQ_LTYPE 0x18 /* Time Sync Sequence ID Offset and Msg Type */
-#define CPSW1_TS_VLAN 0x1c /* Time Sync VLAN1 and VLAN2 */
-
-/* CPSW_PORT_V2 */
-#define CPSW2_CONTROL 0x00 /* Control Register */
-#define CPSW2_MAX_BLKS 0x08 /* Maximum FIFO Blocks */
-#define CPSW2_BLK_CNT 0x0c /* FIFO Block Usage Count (Read Only) */
-#define CPSW2_TX_IN_CTL 0x10 /* Transmit FIFO Control */
-#define CPSW2_PORT_VLAN 0x14 /* VLAN Register */
-#define CPSW2_TX_PRI_MAP 0x18 /* Tx Header Priority to Switch Pri Mapping */
-#define CPSW2_TS_SEQ_MTYPE 0x1c /* Time Sync Sequence ID Offset and Msg Type */
-
-/* CPSW_PORT_V1 and V2 */
-#define SA_LO 0x20 /* CPGMAC_SL Source Address Low */
-#define SA_HI 0x24 /* CPGMAC_SL Source Address High */
-#define SEND_PERCENT 0x28 /* Transmit Queue Send Percentages */
-
-/* CPSW_PORT_V2 only */
-#define RX_DSCP_PRI_MAP0 0x30 /* Rx DSCP Priority to Rx Packet Mapping */
-#define RX_DSCP_PRI_MAP1 0x34 /* Rx DSCP Priority to Rx Packet Mapping */
-#define RX_DSCP_PRI_MAP2 0x38 /* Rx DSCP Priority to Rx Packet Mapping */
-#define RX_DSCP_PRI_MAP3 0x3c /* Rx DSCP Priority to Rx Packet Mapping */
-#define RX_DSCP_PRI_MAP4 0x40 /* Rx DSCP Priority to Rx Packet Mapping */
-#define RX_DSCP_PRI_MAP5 0x44 /* Rx DSCP Priority to Rx Packet Mapping */
-#define RX_DSCP_PRI_MAP6 0x48 /* Rx DSCP Priority to Rx Packet Mapping */
-#define RX_DSCP_PRI_MAP7 0x4c /* Rx DSCP Priority to Rx Packet Mapping */
-
-/* Bit definitions for the CPSW2_CONTROL register */
-#define PASS_PRI_TAGGED BIT(24) /* Pass Priority Tagged */
-#define VLAN_LTYPE2_EN BIT(21) /* VLAN LTYPE 2 enable */
-#define VLAN_LTYPE1_EN BIT(20) /* VLAN LTYPE 1 enable */
-#define DSCP_PRI_EN BIT(16) /* DSCP Priority Enable */
-#define TS_107 BIT(15) /* Tyme Sync Dest IP Address 107 */
-#define TS_320 BIT(14) /* Time Sync Dest Port 320 enable */
-#define TS_319 BIT(13) /* Time Sync Dest Port 319 enable */
-#define TS_132 BIT(12) /* Time Sync Dest IP Addr 132 enable */
-#define TS_131 BIT(11) /* Time Sync Dest IP Addr 131 enable */
-#define TS_130 BIT(10) /* Time Sync Dest IP Addr 130 enable */
-#define TS_129 BIT(9) /* Time Sync Dest IP Addr 129 enable */
-#define TS_TTL_NONZERO BIT(8) /* Time Sync Time To Live Non-zero enable */
-#define TS_ANNEX_F_EN BIT(6) /* Time Sync Annex F enable */
-#define TS_ANNEX_D_EN BIT(4) /* Time Sync Annex D enable */
-#define TS_LTYPE2_EN BIT(3) /* Time Sync LTYPE 2 enable */
-#define TS_LTYPE1_EN BIT(2) /* Time Sync LTYPE 1 enable */
-#define TS_TX_EN BIT(1) /* Time Sync Transmit Enable */
-#define TS_RX_EN BIT(0) /* Time Sync Receive Enable */
-
-#define CTRL_V2_TS_BITS \
- (TS_320 | TS_319 | TS_132 | TS_131 | TS_130 | TS_129 |\
- TS_TTL_NONZERO | TS_ANNEX_D_EN | TS_LTYPE1_EN | VLAN_LTYPE1_EN)
-
-#define CTRL_V2_ALL_TS_MASK (CTRL_V2_TS_BITS | TS_TX_EN | TS_RX_EN)
-#define CTRL_V2_TX_TS_BITS (CTRL_V2_TS_BITS | TS_TX_EN)
-#define CTRL_V2_RX_TS_BITS (CTRL_V2_TS_BITS | TS_RX_EN)
-
-
-#define CTRL_V3_TS_BITS \
- (TS_107 | TS_320 | TS_319 | TS_132 | TS_131 | TS_130 | TS_129 |\
- TS_TTL_NONZERO | TS_ANNEX_F_EN | TS_ANNEX_D_EN |\
- TS_LTYPE1_EN | VLAN_LTYPE1_EN)
-
-#define CTRL_V3_ALL_TS_MASK (CTRL_V3_TS_BITS | TS_TX_EN | TS_RX_EN)
-#define CTRL_V3_TX_TS_BITS (CTRL_V3_TS_BITS | TS_TX_EN)
-#define CTRL_V3_RX_TS_BITS (CTRL_V3_TS_BITS | TS_RX_EN)
-
-/* Bit definitions for the CPSW2_TS_SEQ_MTYPE register */
-#define TS_SEQ_ID_OFFSET_SHIFT (16) /* Time Sync Sequence ID Offset */
-#define TS_SEQ_ID_OFFSET_MASK (0x3f)
-#define TS_MSG_TYPE_EN_SHIFT (0) /* Time Sync Message Type Enable */
-#define TS_MSG_TYPE_EN_MASK (0xffff)
-
-/* The PTP event messages - Sync, Delay_Req, Pdelay_Req, and Pdelay_Resp. */
-#define EVENT_MSG_BITS ((1<<0) | (1<<1) | (1<<2) | (1<<3))
-
-/* Bit definitions for the CPSW1_TS_CTL register */
-#define CPSW_V1_TS_RX_EN BIT(0)
-#define CPSW_V1_TS_TX_EN BIT(4)
-#define CPSW_V1_MSG_TYPE_OFS 16
-
-/* Bit definitions for the CPSW1_TS_SEQ_LTYPE register */
-#define CPSW_V1_SEQ_ID_OFS_SHIFT 16
-
-#define CPSW_MAX_BLKS_TX 15
-#define CPSW_MAX_BLKS_TX_SHIFT 4
-#define CPSW_MAX_BLKS_RX 5
-
-struct cpsw_host_regs {
- u32 max_blks;
- u32 blk_cnt;
- u32 tx_in_ctl;
- u32 port_vlan;
- u32 tx_pri_map;
- u32 cpdma_tx_pri_map;
- u32 cpdma_rx_chan_map;
-};
-
-struct cpsw_sliver_regs {
- u32 id_ver;
- u32 mac_control;
- u32 mac_status;
- u32 soft_reset;
- u32 rx_maxlen;
- u32 __reserved_0;
- u32 rx_pause;
- u32 tx_pause;
- u32 __reserved_1;
- u32 rx_pri_map;
-};
-
-struct cpsw_hw_stats {
- u32 rxgoodframes;
- u32 rxbroadcastframes;
- u32 rxmulticastframes;
- u32 rxpauseframes;
- u32 rxcrcerrors;
- u32 rxaligncodeerrors;
- u32 rxoversizedframes;
- u32 rxjabberframes;
- u32 rxundersizedframes;
- u32 rxfragments;
- u32 __pad_0[2];
- u32 rxoctets;
- u32 txgoodframes;
- u32 txbroadcastframes;
- u32 txmulticastframes;
- u32 txpauseframes;
- u32 txdeferredframes;
- u32 txcollisionframes;
- u32 txsinglecollframes;
- u32 txmultcollframes;
- u32 txexcessivecollisions;
- u32 txlatecollisions;
- u32 txunderrun;
- u32 txcarriersenseerrors;
- u32 txoctets;
- u32 octetframes64;
- u32 octetframes65t127;
- u32 octetframes128t255;
- u32 octetframes256t511;
- u32 octetframes512t1023;
- u32 octetframes1024tup;
- u32 netoctets;
- u32 rxsofoverruns;
- u32 rxmofoverruns;
- u32 rxdmaoverruns;
-};
-
-struct cpsw_slave_data {
- struct device_node *phy_node;
- char phy_id[MII_BUS_ID_SIZE];
- int phy_if;
- u8 mac_addr[ETH_ALEN];
- u16 dual_emac_res_vlan; /* Reserved VLAN for DualEMAC */
- struct phy *ifphy;
-};
-
-struct cpsw_platform_data {
- struct cpsw_slave_data *slave_data;
- u32 ss_reg_ofs; /* Subsystem control register offset */
- u32 channels; /* number of cpdma channels (symmetric) */
- u32 slaves; /* number of slave cpgmac ports */
- u32 active_slave; /* time stamping, ethtool and SIOCGMIIPHY slave */
- u32 ale_entries; /* ale table size */
- u32 bd_ram_size; /*buffer descriptor ram size */
- u32 mac_control; /* Mac control register */
- u16 default_vlan; /* Def VLAN for ALE lookup in VLAN aware mode*/
- bool dual_emac; /* Enable Dual EMAC mode */
-};
-
-struct cpsw_slave {
- void __iomem *regs;
- struct cpsw_sliver_regs __iomem *sliver;
- int slave_num;
- u32 mac_control;
- struct cpsw_slave_data *data;
- struct phy_device *phy;
- struct net_device *ndev;
- u32 port_vlan;
-};
-
-static inline u32 slave_read(struct cpsw_slave *slave, u32 offset)
-{
- return readl_relaxed(slave->regs + offset);
-}
-
-static inline void slave_write(struct cpsw_slave *slave, u32 val, u32 offset)
-{
- writel_relaxed(val, slave->regs + offset);
-}
-
-struct cpsw_vector {
- struct cpdma_chan *ch;
- int budget;
-};
-
-struct cpsw_common {
- struct device *dev;
- struct cpsw_platform_data data;
- struct napi_struct napi_rx;
- struct napi_struct napi_tx;
- struct cpsw_ss_regs __iomem *regs;
- struct cpsw_wr_regs __iomem *wr_regs;
- u8 __iomem *hw_stats;
- struct cpsw_host_regs __iomem *host_port_regs;
- u32 version;
- u32 coal_intvl;
- u32 bus_freq_mhz;
- int rx_packet_max;
- struct cpsw_slave *slaves;
- struct cpdma_ctlr *dma;
- struct cpsw_vector txv[CPSW_MAX_QUEUES];
- struct cpsw_vector rxv[CPSW_MAX_QUEUES];
- struct cpsw_ale *ale;
- bool quirk_irq;
- bool rx_irq_disabled;
- bool tx_irq_disabled;
- u32 irqs_table[IRQ_NUM];
- struct cpts *cpts;
- int rx_ch_num, tx_ch_num;
- int speed;
- int usage_count;
-};
-
-struct cpsw_priv {
- struct net_device *ndev;
- struct device *dev;
- u32 msg_enable;
- u8 mac_addr[ETH_ALEN];
- bool rx_pause;
- bool tx_pause;
- bool mqprio_hw;
- int fifo_bw[CPSW_TC_NUM];
- int shp_cfg_speed;
- int tx_ts_enabled;
- int rx_ts_enabled;
- u32 emac_port;
- struct cpsw_common *cpsw;
-};
-
-struct cpsw_stats {
- char stat_string[ETH_GSTRING_LEN];
- int type;
- int sizeof_stat;
- int stat_offset;
-};
-
-enum {
- CPSW_STATS,
- CPDMA_RX_STATS,
- CPDMA_TX_STATS,
-};
-
-#define CPSW_STAT(m) CPSW_STATS, \
- FIELD_SIZEOF(struct cpsw_hw_stats, m), \
- offsetof(struct cpsw_hw_stats, m)
-#define CPDMA_RX_STAT(m) CPDMA_RX_STATS, \
- FIELD_SIZEOF(struct cpdma_chan_stats, m), \
- offsetof(struct cpdma_chan_stats, m)
-#define CPDMA_TX_STAT(m) CPDMA_TX_STATS, \
- FIELD_SIZEOF(struct cpdma_chan_stats, m), \
- offsetof(struct cpdma_chan_stats, m)
-
-static const struct cpsw_stats cpsw_gstrings_stats[] = {
- { "Good Rx Frames", CPSW_STAT(rxgoodframes) },
- { "Broadcast Rx Frames", CPSW_STAT(rxbroadcastframes) },
- { "Multicast Rx Frames", CPSW_STAT(rxmulticastframes) },
- { "Pause Rx Frames", CPSW_STAT(rxpauseframes) },
- { "Rx CRC Errors", CPSW_STAT(rxcrcerrors) },
- { "Rx Align/Code Errors", CPSW_STAT(rxaligncodeerrors) },
- { "Oversize Rx Frames", CPSW_STAT(rxoversizedframes) },
- { "Rx Jabbers", CPSW_STAT(rxjabberframes) },
- { "Undersize (Short) Rx Frames", CPSW_STAT(rxundersizedframes) },
- { "Rx Fragments", CPSW_STAT(rxfragments) },
- { "Rx Octets", CPSW_STAT(rxoctets) },
- { "Good Tx Frames", CPSW_STAT(txgoodframes) },
- { "Broadcast Tx Frames", CPSW_STAT(txbroadcastframes) },
- { "Multicast Tx Frames", CPSW_STAT(txmulticastframes) },
- { "Pause Tx Frames", CPSW_STAT(txpauseframes) },
- { "Deferred Tx Frames", CPSW_STAT(txdeferredframes) },
- { "Collisions", CPSW_STAT(txcollisionframes) },
- { "Single Collision Tx Frames", CPSW_STAT(txsinglecollframes) },
- { "Multiple Collision Tx Frames", CPSW_STAT(txmultcollframes) },
- { "Excessive Collisions", CPSW_STAT(txexcessivecollisions) },
- { "Late Collisions", CPSW_STAT(txlatecollisions) },
- { "Tx Underrun", CPSW_STAT(txunderrun) },
- { "Carrier Sense Errors", CPSW_STAT(txcarriersenseerrors) },
- { "Tx Octets", CPSW_STAT(txoctets) },
- { "Rx + Tx 64 Octet Frames", CPSW_STAT(octetframes64) },
- { "Rx + Tx 65-127 Octet Frames", CPSW_STAT(octetframes65t127) },
- { "Rx + Tx 128-255 Octet Frames", CPSW_STAT(octetframes128t255) },
- { "Rx + Tx 256-511 Octet Frames", CPSW_STAT(octetframes256t511) },
- { "Rx + Tx 512-1023 Octet Frames", CPSW_STAT(octetframes512t1023) },
- { "Rx + Tx 1024-Up Octet Frames", CPSW_STAT(octetframes1024tup) },
- { "Net Octets", CPSW_STAT(netoctets) },
- { "Rx Start of Frame Overruns", CPSW_STAT(rxsofoverruns) },
- { "Rx Middle of Frame Overruns", CPSW_STAT(rxmofoverruns) },
- { "Rx DMA Overruns", CPSW_STAT(rxdmaoverruns) },
-};
-
-static const struct cpsw_stats cpsw_gstrings_ch_stats[] = {
- { "head_enqueue", CPDMA_RX_STAT(head_enqueue) },
- { "tail_enqueue", CPDMA_RX_STAT(tail_enqueue) },
- { "pad_enqueue", CPDMA_RX_STAT(pad_enqueue) },
- { "misqueued", CPDMA_RX_STAT(misqueued) },
- { "desc_alloc_fail", CPDMA_RX_STAT(desc_alloc_fail) },
- { "pad_alloc_fail", CPDMA_RX_STAT(pad_alloc_fail) },
- { "runt_receive_buf", CPDMA_RX_STAT(runt_receive_buff) },
- { "runt_transmit_buf", CPDMA_RX_STAT(runt_transmit_buff) },
- { "empty_dequeue", CPDMA_RX_STAT(empty_dequeue) },
- { "busy_dequeue", CPDMA_RX_STAT(busy_dequeue) },
- { "good_dequeue", CPDMA_RX_STAT(good_dequeue) },
- { "requeue", CPDMA_RX_STAT(requeue) },
- { "teardown_dequeue", CPDMA_RX_STAT(teardown_dequeue) },
-};
-
-#define CPSW_STATS_COMMON_LEN ARRAY_SIZE(cpsw_gstrings_stats)
-#define CPSW_STATS_CH_LEN ARRAY_SIZE(cpsw_gstrings_ch_stats)
-
-#define ndev_to_cpsw(ndev) (((struct cpsw_priv *)netdev_priv(ndev))->cpsw)
-#define napi_to_cpsw(napi) container_of(napi, struct cpsw_common, napi)
#define for_each_slave(priv, func, arg...) \
do { \
struct cpsw_slave *slave; \
@@ -572,11 +77,6 @@ static const struct cpsw_stats cpsw_gstrings_ch_stats[] = {
static int cpsw_ndo_vlan_rx_add_vid(struct net_device *ndev,
__be16 proto, u16 vid);
-static inline int cpsw_get_slave_port(u32 slave_num)
-{
- return slave_num + 1;
-}
-
static void cpsw_set_promiscious(struct net_device *ndev, bool enable)
{
struct cpsw_common *cpsw = ndev_to_cpsw(ndev);
@@ -653,13 +153,6 @@ static void cpsw_set_promiscious(struct net_device *ndev, bool enable)
}
}
-struct addr_sync_ctx {
- struct net_device *ndev;
- const u8 *addr; /* address to be synched */
- int consumed; /* number of address instances */
- int flush; /* flush flag */
-};
-
/**
* cpsw_set_mc - adds multicast entry to the table if it's not added or deletes
* if it's not deleted
@@ -800,12 +293,17 @@ static int cpsw_purge_all_mc(struct net_device *ndev, const u8 *addr, int num)
static void cpsw_ndo_set_rx_mode(struct net_device *ndev)
{
- struct cpsw_common *cpsw = ndev_to_cpsw(ndev);
+ struct cpsw_priv *priv = netdev_priv(ndev);
+ struct cpsw_common *cpsw = priv->cpsw;
+ int slave_port = -1;
+
+ if (cpsw->data.dual_emac)
+ slave_port = priv->emac_port + 1;
if (ndev->flags & IFF_PROMISC) {
/* Enable promiscuous mode */
cpsw_set_promiscious(ndev, true);
- cpsw_ale_set_allmulti(cpsw->ale, IFF_ALLMULTI);
+ cpsw_ale_set_allmulti(cpsw->ale, IFF_ALLMULTI, slave_port);
return;
} else {
/* Disable promiscuous mode */
@@ -813,14 +311,15 @@ static void cpsw_ndo_set_rx_mode(struct net_device *ndev)
}
/* Restore allmulti on vlans if necessary */
- cpsw_ale_set_allmulti(cpsw->ale, ndev->flags & IFF_ALLMULTI);
+ cpsw_ale_set_allmulti(cpsw->ale,
+ ndev->flags & IFF_ALLMULTI, slave_port);
/* add/remove mcast address either for real netdev or for vlan */
__hw_addr_ref_sync_dev(&ndev->mc, ndev, cpsw_add_mc_addr,
cpsw_del_mc_addr);
}
-static void cpsw_intr_enable(struct cpsw_common *cpsw)
+void cpsw_intr_enable(struct cpsw_common *cpsw)
{
writel_relaxed(0xFF, &cpsw->wr_regs->tx_en);
writel_relaxed(0xFF, &cpsw->wr_regs->rx_en);
@@ -829,7 +328,7 @@ static void cpsw_intr_enable(struct cpsw_common *cpsw)
return;
}
-static void cpsw_intr_disable(struct cpsw_common *cpsw)
+void cpsw_intr_disable(struct cpsw_common *cpsw)
{
writel_relaxed(0, &cpsw->wr_regs->tx_en);
writel_relaxed(0, &cpsw->wr_regs->rx_en);
@@ -838,7 +337,7 @@ static void cpsw_intr_disable(struct cpsw_common *cpsw)
return;
}
-static void cpsw_tx_handler(void *token, int len, int status)
+void cpsw_tx_handler(void *token, int len, int status)
{
struct netdev_queue *txq;
struct sk_buff *skb = token;
@@ -970,11 +469,9 @@ requeue:
dev_kfree_skb_any(new_skb);
}
-static void cpsw_split_res(struct net_device *ndev)
+void cpsw_split_res(struct cpsw_common *cpsw)
{
- struct cpsw_priv *priv = netdev_priv(ndev);
u32 consumed_rate = 0, bigest_rate = 0;
- struct cpsw_common *cpsw = priv->cpsw;
struct cpsw_vector *txv = cpsw->txv;
int i, ch_weight, rlim_ch_num = 0;
int budget, bigest_rate_ch = 0;
@@ -1254,29 +751,32 @@ static void _cpsw_adjust_link(struct cpsw_slave *slave,
slave_port = cpsw_get_slave_port(slave->slave_num);
if (phy->link) {
- mac_control = cpsw->data.mac_control;
-
- /* enable forwarding */
- cpsw_ale_control_set(cpsw->ale, slave_port,
- ALE_PORT_STATE, ALE_PORT_STATE_FORWARD);
+ mac_control = CPSW_SL_CTL_GMII_EN;
if (phy->speed == 1000)
- mac_control |= BIT(7); /* GIGABITEN */
+ mac_control |= CPSW_SL_CTL_GIG;
if (phy->duplex)
- mac_control |= BIT(0); /* FULLDUPLEXEN */
+ mac_control |= CPSW_SL_CTL_FULLDUPLEX;
/* set speed_in input in case RMII mode is used in 100Mbps */
if (phy->speed == 100)
- mac_control |= BIT(15);
+ mac_control |= CPSW_SL_CTL_IFCTL_A;
/* in band mode only works in 10Mbps RGMII mode */
else if ((phy->speed == 10) && phy_interface_is_rgmii(phy))
- mac_control |= BIT(18); /* In Band mode */
+ mac_control |= CPSW_SL_CTL_EXT_EN; /* In Band mode */
if (priv->rx_pause)
- mac_control |= BIT(3);
+ mac_control |= CPSW_SL_CTL_RX_FLOW_EN;
if (priv->tx_pause)
- mac_control |= BIT(4);
+ mac_control |= CPSW_SL_CTL_TX_FLOW_EN;
+
+ if (mac_control != slave->mac_control)
+ cpsw_sl_ctl_set(slave->mac_sl, mac_control);
+
+ /* enable forwarding */
+ cpsw_ale_control_set(cpsw->ale, slave_port,
+ ALE_PORT_STATE, ALE_PORT_STATE_FORWARD);
*link = true;
@@ -1290,12 +790,14 @@ static void _cpsw_adjust_link(struct cpsw_slave *slave,
/* disable forwarding */
cpsw_ale_control_set(cpsw->ale, slave_port,
ALE_PORT_STATE, ALE_PORT_STATE_DISABLE);
+
+ cpsw_sl_wait_for_idle(slave->mac_sl, 100);
+
+ cpsw_sl_ctl_reset(slave->mac_sl);
}
- if (mac_control != slave->mac_control) {
+ if (mac_control != slave->mac_control)
phy_print_status(phy);
- writel_relaxed(mac_control, &slave->sliver->mac_control);
- }
slave->mac_control = mac_control;
}
@@ -1348,7 +850,7 @@ static void cpsw_adjust_link(struct net_device *ndev)
if (link) {
if (cpsw_need_resplit(cpsw))
- cpsw_split_res(ndev);
+ cpsw_split_res(cpsw);
netif_carrier_on(ndev);
if (netif_running(ndev))
@@ -1359,167 +861,6 @@ static void cpsw_adjust_link(struct net_device *ndev)
}
}
-static int cpsw_get_coalesce(struct net_device *ndev,
- struct ethtool_coalesce *coal)
-{
- struct cpsw_common *cpsw = ndev_to_cpsw(ndev);
-
- coal->rx_coalesce_usecs = cpsw->coal_intvl;
- return 0;
-}
-
-static int cpsw_set_coalesce(struct net_device *ndev,
- struct ethtool_coalesce *coal)
-{
- struct cpsw_priv *priv = netdev_priv(ndev);
- u32 int_ctrl;
- u32 num_interrupts = 0;
- u32 prescale = 0;
- u32 addnl_dvdr = 1;
- u32 coal_intvl = 0;
- struct cpsw_common *cpsw = priv->cpsw;
-
- coal_intvl = coal->rx_coalesce_usecs;
-
- int_ctrl = readl(&cpsw->wr_regs->int_control);
- prescale = cpsw->bus_freq_mhz * 4;
-
- if (!coal->rx_coalesce_usecs) {
- int_ctrl &= ~(CPSW_INTPRESCALE_MASK | CPSW_INTPACEEN);
- goto update_return;
- }
-
- if (coal_intvl < CPSW_CMINTMIN_INTVL)
- coal_intvl = CPSW_CMINTMIN_INTVL;
-
- if (coal_intvl > CPSW_CMINTMAX_INTVL) {
- /* Interrupt pacer works with 4us Pulse, we can
- * throttle further by dilating the 4us pulse.
- */
- addnl_dvdr = CPSW_INTPRESCALE_MASK / prescale;
-
- if (addnl_dvdr > 1) {
- prescale *= addnl_dvdr;
- if (coal_intvl > (CPSW_CMINTMAX_INTVL * addnl_dvdr))
- coal_intvl = (CPSW_CMINTMAX_INTVL
- * addnl_dvdr);
- } else {
- addnl_dvdr = 1;
- coal_intvl = CPSW_CMINTMAX_INTVL;
- }
- }
-
- num_interrupts = (1000 * addnl_dvdr) / coal_intvl;
- writel(num_interrupts, &cpsw->wr_regs->rx_imax);
- writel(num_interrupts, &cpsw->wr_regs->tx_imax);
-
- int_ctrl |= CPSW_INTPACEEN;
- int_ctrl &= (~CPSW_INTPRESCALE_MASK);
- int_ctrl |= (prescale & CPSW_INTPRESCALE_MASK);
-
-update_return:
- writel(int_ctrl, &cpsw->wr_regs->int_control);
-
- cpsw_notice(priv, timer, "Set coalesce to %d usecs.\n", coal_intvl);
- cpsw->coal_intvl = coal_intvl;
-
- return 0;
-}
-
-static int cpsw_get_sset_count(struct net_device *ndev, int sset)
-{
- struct cpsw_common *cpsw = ndev_to_cpsw(ndev);
-
- switch (sset) {
- case ETH_SS_STATS:
- return (CPSW_STATS_COMMON_LEN +
- (cpsw->rx_ch_num + cpsw->tx_ch_num) *
- CPSW_STATS_CH_LEN);
- default:
- return -EOPNOTSUPP;
- }
-}
-
-static void cpsw_add_ch_strings(u8 **p, int ch_num, int rx_dir)
-{
- int ch_stats_len;
- int line;
- int i;
-
- ch_stats_len = CPSW_STATS_CH_LEN * ch_num;
- for (i = 0; i < ch_stats_len; i++) {
- line = i % CPSW_STATS_CH_LEN;
- snprintf(*p, ETH_GSTRING_LEN,
- "%s DMA chan %ld: %s", rx_dir ? "Rx" : "Tx",
- (long)(i / CPSW_STATS_CH_LEN),
- cpsw_gstrings_ch_stats[line].stat_string);
- *p += ETH_GSTRING_LEN;
- }
-}
-
-static void cpsw_get_strings(struct net_device *ndev, u32 stringset, u8 *data)
-{
- struct cpsw_common *cpsw = ndev_to_cpsw(ndev);
- u8 *p = data;
- int i;
-
- switch (stringset) {
- case ETH_SS_STATS:
- for (i = 0; i < CPSW_STATS_COMMON_LEN; i++) {
- memcpy(p, cpsw_gstrings_stats[i].stat_string,
- ETH_GSTRING_LEN);
- p += ETH_GSTRING_LEN;
- }
-
- cpsw_add_ch_strings(&p, cpsw->rx_ch_num, 1);
- cpsw_add_ch_strings(&p, cpsw->tx_ch_num, 0);
- break;
- }
-}
-
-static void cpsw_get_ethtool_stats(struct net_device *ndev,
- struct ethtool_stats *stats, u64 *data)
-{
- u8 *p;
- struct cpsw_common *cpsw = ndev_to_cpsw(ndev);
- struct cpdma_chan_stats ch_stats;
- int i, l, ch;
-
- /* Collect Davinci CPDMA stats for Rx and Tx Channel */
- for (l = 0; l < CPSW_STATS_COMMON_LEN; l++)
- data[l] = readl(cpsw->hw_stats +
- cpsw_gstrings_stats[l].stat_offset);
-
- for (ch = 0; ch < cpsw->rx_ch_num; ch++) {
- cpdma_chan_get_stats(cpsw->rxv[ch].ch, &ch_stats);
- for (i = 0; i < CPSW_STATS_CH_LEN; i++, l++) {
- p = (u8 *)&ch_stats +
- cpsw_gstrings_ch_stats[i].stat_offset;
- data[l] = *(u32 *)p;
- }
- }
-
- for (ch = 0; ch < cpsw->tx_ch_num; ch++) {
- cpdma_chan_get_stats(cpsw->txv[ch].ch, &ch_stats);
- for (i = 0; i < CPSW_STATS_CH_LEN; i++, l++) {
- p = (u8 *)&ch_stats +
- cpsw_gstrings_ch_stats[i].stat_offset;
- data[l] = *(u32 *)p;
- }
- }
-}
-
-static inline int cpsw_tx_packet_submit(struct cpsw_priv *priv,
- struct sk_buff *skb,
- struct cpdma_chan *txch)
-{
- struct cpsw_common *cpsw = priv->cpsw;
-
- skb_tx_timestamp(skb);
- return cpdma_chan_submit(txch, skb, skb->data, skb->len,
- priv->emac_port + cpsw->data.dual_emac);
-}
-
static inline void cpsw_add_dual_emac_def_ale_entries(
struct cpsw_priv *priv, struct cpsw_slave *slave,
u32 slave_port)
@@ -1542,24 +883,18 @@ static inline void cpsw_add_dual_emac_def_ale_entries(
ALE_PORT_DROP_UNKNOWN_VLAN, 1);
}
-static void soft_reset_slave(struct cpsw_slave *slave)
-{
- char name[32];
-
- snprintf(name, sizeof(name), "slave-%d", slave->slave_num);
- soft_reset(name, &slave->sliver->soft_reset);
-}
-
static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv)
{
u32 slave_port;
struct phy_device *phy;
struct cpsw_common *cpsw = priv->cpsw;
- soft_reset_slave(slave);
+ cpsw_sl_reset(slave->mac_sl, 100);
+ cpsw_sl_ctl_reset(slave->mac_sl);
/* setup priority mapping */
- writel_relaxed(RX_PRIORITY_MAPPING, &slave->sliver->rx_pri_map);
+ cpsw_sl_reg_write(slave->mac_sl, CPSW_SL_RX_PRI_MAP,
+ RX_PRIORITY_MAPPING);
switch (cpsw->version) {
case CPSW_VERSION_1:
@@ -1585,7 +920,8 @@ static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv)
}
/* setup max packet size, and mac address */
- writel_relaxed(cpsw->rx_packet_max, &slave->sliver->rx_maxlen);
+ cpsw_sl_reg_write(slave->mac_sl, CPSW_SL_RX_MAXLEN,
+ cpsw->rx_packet_max);
cpsw_set_slave_mac(slave, priv);
slave->mac_control = 0; /* no link yet */
@@ -1696,7 +1032,7 @@ static void cpsw_init_host_port(struct cpsw_priv *priv)
}
}
-static int cpsw_fill_rx_channels(struct cpsw_priv *priv)
+int cpsw_fill_rx_channels(struct cpsw_priv *priv)
{
struct cpsw_common *cpsw = priv->cpsw;
struct sk_buff *skb;
@@ -1748,7 +1084,8 @@ static void cpsw_slave_stop(struct cpsw_slave *slave, struct cpsw_common *cpsw)
slave->phy = NULL;
cpsw_ale_control_set(cpsw->ale, slave_port,
ALE_PORT_STATE, ALE_PORT_STATE_DISABLE);
- soft_reset_slave(slave);
+ cpsw_sl_reset(slave->mac_sl, 100);
+ cpsw_sl_ctl_reset(slave->mac_sl);
}
static int cpsw_tc_to_fifo(int tc, int num_tc)
@@ -2114,7 +1451,7 @@ static int cpsw_ndo_stop(struct net_device *ndev)
for_each_slave(priv, cpsw_slave_stop, cpsw);
if (cpsw_need_resplit(cpsw))
- cpsw_split_res(ndev);
+ cpsw_split_res(cpsw);
cpsw->usage_count--;
pm_runtime_put_sync(cpsw->dev);
@@ -2147,7 +1484,9 @@ static netdev_tx_t cpsw_ndo_start_xmit(struct sk_buff *skb,
txch = cpsw->txv[q_idx].ch;
txq = netdev_get_tx_queue(ndev, q_idx);
- ret = cpsw_tx_packet_submit(priv, skb, txch);
+ skb_tx_timestamp(skb);
+ ret = cpdma_chan_submit(txch, skb, skb->data, skb->len,
+ priv->emac_port + cpsw->data.dual_emac);
if (unlikely(ret != 0)) {
cpsw_err(priv, tx_err, "desc submit failed\n");
goto fail;
@@ -2418,18 +1757,6 @@ static int cpsw_ndo_set_mac_address(struct net_device *ndev, void *p)
return 0;
}
-#ifdef CONFIG_NET_POLL_CONTROLLER
-static void cpsw_ndo_poll_controller(struct net_device *ndev)
-{
- struct cpsw_common *cpsw = ndev_to_cpsw(ndev);
-
- cpsw_intr_disable(cpsw);
- cpsw_rx_interrupt(cpsw->irqs_table[0], cpsw);
- cpsw_tx_interrupt(cpsw->irqs_table[1], cpsw);
- cpsw_intr_enable(cpsw);
-}
-#endif
-
static inline int cpsw_add_vlan_ale_entry(struct cpsw_priv *priv,
unsigned short vid)
{
@@ -2601,7 +1928,7 @@ static int cpsw_ndo_set_tx_maxrate(struct net_device *ndev, int queue, u32 rate)
netdev_get_tx_queue(slave->ndev, queue)->tx_maxrate = rate;
}
- cpsw_split_res(ndev);
+ cpsw_split_res(cpsw);
return ret;
}
@@ -2677,6 +2004,18 @@ static int cpsw_ndo_setup_tc(struct net_device *ndev, enum tc_setup_type type,
}
}
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void cpsw_ndo_poll_controller(struct net_device *ndev)
+{
+ struct cpsw_common *cpsw = ndev_to_cpsw(ndev);
+
+ cpsw_intr_disable(cpsw);
+ cpsw_rx_interrupt(cpsw->irqs_table[0], cpsw);
+ cpsw_tx_interrupt(cpsw->irqs_table[1], cpsw);
+ cpsw_intr_enable(cpsw);
+}
+#endif
+
static const struct net_device_ops cpsw_netdev_ops = {
.ndo_open = cpsw_ndo_open,
.ndo_stop = cpsw_ndo_stop,
@@ -2695,25 +2034,6 @@ static const struct net_device_ops cpsw_netdev_ops = {
.ndo_setup_tc = cpsw_ndo_setup_tc,
};
-static int cpsw_get_regs_len(struct net_device *ndev)
-{
- struct cpsw_common *cpsw = ndev_to_cpsw(ndev);
-
- return cpsw->data.ale_entries * ALE_ENTRY_WORDS * sizeof(u32);
-}
-
-static void cpsw_get_regs(struct net_device *ndev,
- struct ethtool_regs *regs, void *p)
-{
- u32 *reg = p;
- struct cpsw_common *cpsw = ndev_to_cpsw(ndev);
-
- /* update CPSW IP version */
- regs->version = cpsw->version;
-
- cpsw_ale_dump(cpsw->ale, reg);
-}
-
static void cpsw_get_drvinfo(struct net_device *ndev,
struct ethtool_drvinfo *info)
{
@@ -2725,119 +2045,6 @@ static void cpsw_get_drvinfo(struct net_device *ndev,
strlcpy(info->bus_info, pdev->name, sizeof(info->bus_info));
}
-static u32 cpsw_get_msglevel(struct net_device *ndev)
-{
- struct cpsw_priv *priv = netdev_priv(ndev);
- return priv->msg_enable;
-}
-
-static void cpsw_set_msglevel(struct net_device *ndev, u32 value)
-{
- struct cpsw_priv *priv = netdev_priv(ndev);
- priv->msg_enable = value;
-}
-
-#if IS_ENABLED(CONFIG_TI_CPTS)
-static int cpsw_get_ts_info(struct net_device *ndev,
- struct ethtool_ts_info *info)
-{
- struct cpsw_common *cpsw = ndev_to_cpsw(ndev);
-
- info->so_timestamping =
- SOF_TIMESTAMPING_TX_HARDWARE |
- SOF_TIMESTAMPING_TX_SOFTWARE |
- SOF_TIMESTAMPING_RX_HARDWARE |
- SOF_TIMESTAMPING_RX_SOFTWARE |
- SOF_TIMESTAMPING_SOFTWARE |
- SOF_TIMESTAMPING_RAW_HARDWARE;
- info->phc_index = cpsw->cpts->phc_index;
- info->tx_types =
- (1 << HWTSTAMP_TX_OFF) |
- (1 << HWTSTAMP_TX_ON);
- info->rx_filters =
- (1 << HWTSTAMP_FILTER_NONE) |
- (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
- (1 << HWTSTAMP_FILTER_PTP_V2_EVENT);
- return 0;
-}
-#else
-static int cpsw_get_ts_info(struct net_device *ndev,
- struct ethtool_ts_info *info)
-{
- info->so_timestamping =
- SOF_TIMESTAMPING_TX_SOFTWARE |
- SOF_TIMESTAMPING_RX_SOFTWARE |
- SOF_TIMESTAMPING_SOFTWARE;
- info->phc_index = -1;
- info->tx_types = 0;
- info->rx_filters = 0;
- return 0;
-}
-#endif
-
-static int cpsw_get_link_ksettings(struct net_device *ndev,
- struct ethtool_link_ksettings *ecmd)
-{
- struct cpsw_priv *priv = netdev_priv(ndev);
- struct cpsw_common *cpsw = priv->cpsw;
- int slave_no = cpsw_slave_index(cpsw, priv);
-
- if (!cpsw->slaves[slave_no].phy)
- return -EOPNOTSUPP;
-
- phy_ethtool_ksettings_get(cpsw->slaves[slave_no].phy, ecmd);
- return 0;
-}
-
-static int cpsw_set_link_ksettings(struct net_device *ndev,
- const struct ethtool_link_ksettings *ecmd)
-{
- struct cpsw_priv *priv = netdev_priv(ndev);
- struct cpsw_common *cpsw = priv->cpsw;
- int slave_no = cpsw_slave_index(cpsw, priv);
-
- if (cpsw->slaves[slave_no].phy)
- return phy_ethtool_ksettings_set(cpsw->slaves[slave_no].phy,
- ecmd);
- else
- return -EOPNOTSUPP;
-}
-
-static void cpsw_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
-{
- struct cpsw_priv *priv = netdev_priv(ndev);
- struct cpsw_common *cpsw = priv->cpsw;
- int slave_no = cpsw_slave_index(cpsw, priv);
-
- wol->supported = 0;
- wol->wolopts = 0;
-
- if (cpsw->slaves[slave_no].phy)
- phy_ethtool_get_wol(cpsw->slaves[slave_no].phy, wol);
-}
-
-static int cpsw_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
-{
- struct cpsw_priv *priv = netdev_priv(ndev);
- struct cpsw_common *cpsw = priv->cpsw;
- int slave_no = cpsw_slave_index(cpsw, priv);
-
- if (cpsw->slaves[slave_no].phy)
- return phy_ethtool_set_wol(cpsw->slaves[slave_no].phy, wol);
- else
- return -EOPNOTSUPP;
-}
-
-static void cpsw_get_pauseparam(struct net_device *ndev,
- struct ethtool_pauseparam *pause)
-{
- struct cpsw_priv *priv = netdev_priv(ndev);
-
- pause->autoneg = AUTONEG_DISABLE;
- pause->rx_pause = priv->rx_pause ? true : false;
- pause->tx_pause = priv->tx_pause ? true : false;
-}
-
static int cpsw_set_pauseparam(struct net_device *ndev,
struct ethtool_pauseparam *pause)
{
@@ -2851,316 +2058,10 @@ static int cpsw_set_pauseparam(struct net_device *ndev,
return 0;
}
-static int cpsw_ethtool_op_begin(struct net_device *ndev)
-{
- struct cpsw_priv *priv = netdev_priv(ndev);
- struct cpsw_common *cpsw = priv->cpsw;
- int ret;
-
- ret = pm_runtime_get_sync(cpsw->dev);
- if (ret < 0) {
- cpsw_err(priv, drv, "ethtool begin failed %d\n", ret);
- pm_runtime_put_noidle(cpsw->dev);
- }
-
- return ret;
-}
-
-static void cpsw_ethtool_op_complete(struct net_device *ndev)
-{
- struct cpsw_priv *priv = netdev_priv(ndev);
- int ret;
-
- ret = pm_runtime_put(priv->cpsw->dev);
- if (ret < 0)
- cpsw_err(priv, drv, "ethtool complete failed %d\n", ret);
-}
-
-static void cpsw_get_channels(struct net_device *ndev,
- struct ethtool_channels *ch)
-{
- struct cpsw_common *cpsw = ndev_to_cpsw(ndev);
-
- ch->max_rx = cpsw->quirk_irq ? 1 : CPSW_MAX_QUEUES;
- ch->max_tx = cpsw->quirk_irq ? 1 : CPSW_MAX_QUEUES;
- ch->max_combined = 0;
- ch->max_other = 0;
- ch->other_count = 0;
- ch->rx_count = cpsw->rx_ch_num;
- ch->tx_count = cpsw->tx_ch_num;
- ch->combined_count = 0;
-}
-
-static int cpsw_check_ch_settings(struct cpsw_common *cpsw,
- struct ethtool_channels *ch)
-{
- if (cpsw->quirk_irq) {
- dev_err(cpsw->dev, "Maximum one tx/rx queue is allowed");
- return -EOPNOTSUPP;
- }
-
- if (ch->combined_count)
- return -EINVAL;
-
- /* verify we have at least one channel in each direction */
- if (!ch->rx_count || !ch->tx_count)
- return -EINVAL;
-
- if (ch->rx_count > cpsw->data.channels ||
- ch->tx_count > cpsw->data.channels)
- return -EINVAL;
-
- return 0;
-}
-
-static int cpsw_update_channels_res(struct cpsw_priv *priv, int ch_num, int rx)
-{
- struct cpsw_common *cpsw = priv->cpsw;
- void (*handler)(void *, int, int);
- struct netdev_queue *queue;
- struct cpsw_vector *vec;
- int ret, *ch, vch;
-
- if (rx) {
- ch = &cpsw->rx_ch_num;
- vec = cpsw->rxv;
- handler = cpsw_rx_handler;
- } else {
- ch = &cpsw->tx_ch_num;
- vec = cpsw->txv;
- handler = cpsw_tx_handler;
- }
-
- while (*ch < ch_num) {
- vch = rx ? *ch : 7 - *ch;
- vec[*ch].ch = cpdma_chan_create(cpsw->dma, vch, handler, rx);
- queue = netdev_get_tx_queue(priv->ndev, *ch);
- queue->tx_maxrate = 0;
-
- if (IS_ERR(vec[*ch].ch))
- return PTR_ERR(vec[*ch].ch);
-
- if (!vec[*ch].ch)
- return -EINVAL;
-
- cpsw_info(priv, ifup, "created new %d %s channel\n", *ch,
- (rx ? "rx" : "tx"));
- (*ch)++;
- }
-
- while (*ch > ch_num) {
- (*ch)--;
-
- ret = cpdma_chan_destroy(vec[*ch].ch);
- if (ret)
- return ret;
-
- cpsw_info(priv, ifup, "destroyed %d %s channel\n", *ch,
- (rx ? "rx" : "tx"));
- }
-
- return 0;
-}
-
-static int cpsw_update_channels(struct cpsw_priv *priv,
- struct ethtool_channels *ch)
-{
- int ret;
-
- ret = cpsw_update_channels_res(priv, ch->rx_count, 1);
- if (ret)
- return ret;
-
- ret = cpsw_update_channels_res(priv, ch->tx_count, 0);
- if (ret)
- return ret;
-
- return 0;
-}
-
-static void cpsw_suspend_data_pass(struct net_device *ndev)
-{
- struct cpsw_common *cpsw = ndev_to_cpsw(ndev);
- struct cpsw_slave *slave;
- int i;
-
- /* Disable NAPI scheduling */
- cpsw_intr_disable(cpsw);
-
- /* Stop all transmit queues for every network device.
- * Disable re-using rx descriptors with dormant_on.
- */
- for (i = cpsw->data.slaves, slave = cpsw->slaves; i; i--, slave++) {
- if (!(slave->ndev && netif_running(slave->ndev)))
- continue;
-
- netif_tx_stop_all_queues(slave->ndev);
- netif_dormant_on(slave->ndev);
- }
-
- /* Handle rest of tx packets and stop cpdma channels */
- cpdma_ctlr_stop(cpsw->dma);
-}
-
-static int cpsw_resume_data_pass(struct net_device *ndev)
-{
- struct cpsw_priv *priv = netdev_priv(ndev);
- struct cpsw_common *cpsw = priv->cpsw;
- struct cpsw_slave *slave;
- int i, ret;
-
- /* Allow rx packets handling */
- for (i = cpsw->data.slaves, slave = cpsw->slaves; i; i--, slave++)
- if (slave->ndev && netif_running(slave->ndev))
- netif_dormant_off(slave->ndev);
-
- /* After this receive is started */
- if (cpsw->usage_count) {
- ret = cpsw_fill_rx_channels(priv);
- if (ret)
- return ret;
-
- cpdma_ctlr_start(cpsw->dma);
- cpsw_intr_enable(cpsw);
- }
-
- /* Resume transmit for every affected interface */
- for (i = cpsw->data.slaves, slave = cpsw->slaves; i; i--, slave++)
- if (slave->ndev && netif_running(slave->ndev))
- netif_tx_start_all_queues(slave->ndev);
-
- return 0;
-}
-
static int cpsw_set_channels(struct net_device *ndev,
struct ethtool_channels *chs)
{
- struct cpsw_priv *priv = netdev_priv(ndev);
- struct cpsw_common *cpsw = priv->cpsw;
- struct cpsw_slave *slave;
- int i, ret;
-
- ret = cpsw_check_ch_settings(cpsw, chs);
- if (ret < 0)
- return ret;
-
- cpsw_suspend_data_pass(ndev);
- ret = cpsw_update_channels(priv, chs);
- if (ret)
- goto err;
-
- for (i = cpsw->data.slaves, slave = cpsw->slaves; i; i--, slave++) {
- if (!(slave->ndev && netif_running(slave->ndev)))
- continue;
-
- /* Inform stack about new count of queues */
- ret = netif_set_real_num_tx_queues(slave->ndev,
- cpsw->tx_ch_num);
- if (ret) {
- dev_err(priv->dev, "cannot set real number of tx queues\n");
- goto err;
- }
-
- ret = netif_set_real_num_rx_queues(slave->ndev,
- cpsw->rx_ch_num);
- if (ret) {
- dev_err(priv->dev, "cannot set real number of rx queues\n");
- goto err;
- }
- }
-
- if (cpsw->usage_count)
- cpsw_split_res(ndev);
-
- ret = cpsw_resume_data_pass(ndev);
- if (!ret)
- return 0;
-err:
- dev_err(priv->dev, "cannot update channels number, closing device\n");
- dev_close(ndev);
- return ret;
-}
-
-static int cpsw_get_eee(struct net_device *ndev, struct ethtool_eee *edata)
-{
- struct cpsw_priv *priv = netdev_priv(ndev);
- struct cpsw_common *cpsw = priv->cpsw;
- int slave_no = cpsw_slave_index(cpsw, priv);
-
- if (cpsw->slaves[slave_no].phy)
- return phy_ethtool_get_eee(cpsw->slaves[slave_no].phy, edata);
- else
- return -EOPNOTSUPP;
-}
-
-static int cpsw_set_eee(struct net_device *ndev, struct ethtool_eee *edata)
-{
- struct cpsw_priv *priv = netdev_priv(ndev);
- struct cpsw_common *cpsw = priv->cpsw;
- int slave_no = cpsw_slave_index(cpsw, priv);
-
- if (cpsw->slaves[slave_no].phy)
- return phy_ethtool_set_eee(cpsw->slaves[slave_no].phy, edata);
- else
- return -EOPNOTSUPP;
-}
-
-static int cpsw_nway_reset(struct net_device *ndev)
-{
- struct cpsw_priv *priv = netdev_priv(ndev);
- struct cpsw_common *cpsw = priv->cpsw;
- int slave_no = cpsw_slave_index(cpsw, priv);
-
- if (cpsw->slaves[slave_no].phy)
- return genphy_restart_aneg(cpsw->slaves[slave_no].phy);
- else
- return -EOPNOTSUPP;
-}
-
-static void cpsw_get_ringparam(struct net_device *ndev,
- struct ethtool_ringparam *ering)
-{
- struct cpsw_priv *priv = netdev_priv(ndev);
- struct cpsw_common *cpsw = priv->cpsw;
-
- /* not supported */
- ering->tx_max_pending = 0;
- ering->tx_pending = cpdma_get_num_tx_descs(cpsw->dma);
- ering->rx_max_pending = descs_pool_size - CPSW_MAX_QUEUES;
- ering->rx_pending = cpdma_get_num_rx_descs(cpsw->dma);
-}
-
-static int cpsw_set_ringparam(struct net_device *ndev,
- struct ethtool_ringparam *ering)
-{
- struct cpsw_priv *priv = netdev_priv(ndev);
- struct cpsw_common *cpsw = priv->cpsw;
- int ret;
-
- /* ignore ering->tx_pending - only rx_pending adjustment is supported */
-
- if (ering->rx_mini_pending || ering->rx_jumbo_pending ||
- ering->rx_pending < CPSW_MAX_QUEUES ||
- ering->rx_pending > (descs_pool_size - CPSW_MAX_QUEUES))
- return -EINVAL;
-
- if (ering->rx_pending == cpdma_get_num_rx_descs(cpsw->dma))
- return 0;
-
- cpsw_suspend_data_pass(ndev);
-
- cpdma_set_num_rx_descs(cpsw->dma, ering->rx_pending);
-
- if (cpsw->usage_count)
- cpdma_chan_split_pool(cpsw->dma);
-
- ret = cpsw_resume_data_pass(ndev);
- if (!ret)
- return 0;
-
- dev_err(&ndev->dev, "cannot set ring params, closing device\n");
- dev_close(ndev);
- return ret;
+ return cpsw_set_channels_common(ndev, chs, cpsw_rx_handler);
}
static const struct ethtool_ops cpsw_ethtool_ops = {
@@ -3193,19 +2094,6 @@ static const struct ethtool_ops cpsw_ethtool_ops = {
.set_ringparam = cpsw_set_ringparam,
};
-static void cpsw_slave_init(struct cpsw_slave *slave, struct cpsw_common *cpsw,
- u32 slave_reg_ofs, u32 sliver_reg_ofs)
-{
- void __iomem *regs = cpsw->regs;
- int slave_num = slave->slave_num;
- struct cpsw_slave_data *data = cpsw->data.slave_data + slave_num;
-
- slave->data = data;
- slave->regs = regs + slave_reg_ofs;
- slave->sliver = regs + sliver_reg_ofs;
- slave->port_vlan = data->dual_emac_res_vlan;
-}
-
static int cpsw_probe_dt(struct cpsw_platform_data *data,
struct platform_device *pdev)
{
@@ -3344,8 +2232,8 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data,
no_phy_slave:
mac_addr = of_get_mac_address(slave_node);
- if (mac_addr) {
- memcpy(slave_data->mac_addr, mac_addr, ETH_ALEN);
+ if (!IS_ERR(mac_addr)) {
+ ether_addr_copy(slave_data->mac_addr, mac_addr);
} else {
ret = ti_cm_get_macid(&pdev->dev, i,
slave_data->mac_addr);
@@ -3408,7 +2296,8 @@ static int cpsw_probe_dual_emac(struct cpsw_priv *priv)
struct cpsw_priv *priv_sl2;
int ret = 0;
- ndev = alloc_etherdev_mq(sizeof(struct cpsw_priv), CPSW_MAX_QUEUES);
+ ndev = devm_alloc_etherdev_mqs(cpsw->dev, sizeof(struct cpsw_priv),
+ CPSW_MAX_QUEUES, CPSW_MAX_QUEUES);
if (!ndev) {
dev_err(cpsw->dev, "cpsw: error allocating net_device\n");
return -ENOMEM;
@@ -3442,11 +2331,8 @@ static int cpsw_probe_dual_emac(struct cpsw_priv *priv)
/* register the network device */
SET_NETDEV_DEV(ndev, cpsw->dev);
ret = register_netdev(ndev);
- if (ret) {
+ if (ret)
dev_err(cpsw->dev, "cpsw: error registering net device\n");
- free_netdev(ndev);
- ret = -ENODEV;
- }
return ret;
}
@@ -3467,63 +2353,74 @@ static const struct soc_device_attribute cpsw_soc_devices[] = {
static int cpsw_probe(struct platform_device *pdev)
{
+ struct device *dev = &pdev->dev;
struct clk *clk;
struct cpsw_platform_data *data;
struct net_device *ndev;
struct cpsw_priv *priv;
- struct cpdma_params dma_params;
- struct cpsw_ale_params ale_params;
void __iomem *ss_regs;
- void __iomem *cpts_regs;
struct resource *res, *ss_res;
struct gpio_descs *mode;
- u32 slave_offset, sliver_offset, slave_size;
const struct soc_device_attribute *soc;
struct cpsw_common *cpsw;
- int ret = 0, i, ch;
+ int ret = 0, ch;
int irq;
- cpsw = devm_kzalloc(&pdev->dev, sizeof(struct cpsw_common), GFP_KERNEL);
+ cpsw = devm_kzalloc(dev, sizeof(struct cpsw_common), GFP_KERNEL);
if (!cpsw)
return -ENOMEM;
- cpsw->dev = &pdev->dev;
+ cpsw->dev = dev;
- ndev = alloc_etherdev_mq(sizeof(struct cpsw_priv), CPSW_MAX_QUEUES);
- if (!ndev) {
- dev_err(&pdev->dev, "error allocating net_device\n");
- return -ENOMEM;
- }
-
- platform_set_drvdata(pdev, ndev);
- priv = netdev_priv(ndev);
- priv->cpsw = cpsw;
- priv->ndev = ndev;
- priv->dev = &ndev->dev;
- priv->msg_enable = netif_msg_init(debug_level, CPSW_DEBUG);
- cpsw->rx_packet_max = max(rx_packet_max, 128);
-
- mode = devm_gpiod_get_array_optional(&pdev->dev, "mode", GPIOD_OUT_LOW);
+ mode = devm_gpiod_get_array_optional(dev, "mode", GPIOD_OUT_LOW);
if (IS_ERR(mode)) {
ret = PTR_ERR(mode);
- dev_err(&pdev->dev, "gpio request failed, ret %d\n", ret);
- goto clean_ndev_ret;
+ dev_err(dev, "gpio request failed, ret %d\n", ret);
+ return ret;
}
+ clk = devm_clk_get(dev, "fck");
+ if (IS_ERR(clk)) {
+ ret = PTR_ERR(clk);
+ dev_err(dev, "fck is not found %d\n", ret);
+ return ret;
+ }
+ cpsw->bus_freq_mhz = clk_get_rate(clk) / 1000000;
+
+ ss_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ ss_regs = devm_ioremap_resource(dev, ss_res);
+ if (IS_ERR(ss_regs))
+ return PTR_ERR(ss_regs);
+ cpsw->regs = ss_regs;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ cpsw->wr_regs = devm_ioremap_resource(dev, res);
+ if (IS_ERR(cpsw->wr_regs))
+ return PTR_ERR(cpsw->wr_regs);
+
+ /* RX IRQ */
+ irq = platform_get_irq(pdev, 1);
+ if (irq < 0)
+ return irq;
+ cpsw->irqs_table[0] = irq;
+
+ /* TX IRQ */
+ irq = platform_get_irq(pdev, 2);
+ if (irq < 0)
+ return irq;
+ cpsw->irqs_table[1] = irq;
+
/*
* This may be required here for child devices.
*/
- pm_runtime_enable(&pdev->dev);
-
- /* Select default pin state */
- pinctrl_pm_select_default_state(&pdev->dev);
+ pm_runtime_enable(dev);
/* Need to enable clocks with runtime PM api to access module
* registers
*/
- ret = pm_runtime_get_sync(&pdev->dev);
+ ret = pm_runtime_get_sync(dev);
if (ret < 0) {
- pm_runtime_put_noidle(&pdev->dev);
+ pm_runtime_put_noidle(dev);
goto clean_runtime_disable_ret;
}
@@ -3531,170 +2428,72 @@ static int cpsw_probe(struct platform_device *pdev)
if (ret)
goto clean_dt_ret;
- data = &cpsw->data;
- cpsw->rx_ch_num = 1;
- cpsw->tx_ch_num = 1;
-
- if (is_valid_ether_addr(data->slave_data[0].mac_addr)) {
- memcpy(priv->mac_addr, data->slave_data[0].mac_addr, ETH_ALEN);
- dev_info(&pdev->dev, "Detected MACID = %pM\n", priv->mac_addr);
- } else {
- eth_random_addr(priv->mac_addr);
- dev_info(&pdev->dev, "Random MACID = %pM\n", priv->mac_addr);
- }
-
- memcpy(ndev->dev_addr, priv->mac_addr, ETH_ALEN);
+ soc = soc_device_match(cpsw_soc_devices);
+ if (soc)
+ cpsw->quirk_irq = 1;
- cpsw->slaves = devm_kcalloc(&pdev->dev,
+ data = &cpsw->data;
+ cpsw->slaves = devm_kcalloc(dev,
data->slaves, sizeof(struct cpsw_slave),
GFP_KERNEL);
if (!cpsw->slaves) {
ret = -ENOMEM;
goto clean_dt_ret;
}
- for (i = 0; i < data->slaves; i++)
- cpsw->slaves[i].slave_num = i;
-
- cpsw->slaves[0].ndev = ndev;
- priv->emac_port = 0;
-
- clk = devm_clk_get(&pdev->dev, "fck");
- if (IS_ERR(clk)) {
- dev_err(priv->dev, "fck is not found\n");
- ret = -ENODEV;
- goto clean_dt_ret;
- }
- cpsw->bus_freq_mhz = clk_get_rate(clk) / 1000000;
-
- ss_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- ss_regs = devm_ioremap_resource(&pdev->dev, ss_res);
- if (IS_ERR(ss_regs)) {
- ret = PTR_ERR(ss_regs);
- goto clean_dt_ret;
- }
- cpsw->regs = ss_regs;
-
- cpsw->version = readl(&cpsw->regs->id_ver);
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- cpsw->wr_regs = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(cpsw->wr_regs)) {
- ret = PTR_ERR(cpsw->wr_regs);
- goto clean_dt_ret;
- }
- memset(&dma_params, 0, sizeof(dma_params));
- memset(&ale_params, 0, sizeof(ale_params));
+ cpsw->rx_packet_max = max(rx_packet_max, CPSW_MAX_PACKET_SIZE);
+ cpsw->descs_pool_size = descs_pool_size;
- switch (cpsw->version) {
- case CPSW_VERSION_1:
- cpsw->host_port_regs = ss_regs + CPSW1_HOST_PORT_OFFSET;
- cpts_regs = ss_regs + CPSW1_CPTS_OFFSET;
- cpsw->hw_stats = ss_regs + CPSW1_HW_STATS;
- dma_params.dmaregs = ss_regs + CPSW1_CPDMA_OFFSET;
- dma_params.txhdp = ss_regs + CPSW1_STATERAM_OFFSET;
- ale_params.ale_regs = ss_regs + CPSW1_ALE_OFFSET;
- slave_offset = CPSW1_SLAVE_OFFSET;
- slave_size = CPSW1_SLAVE_SIZE;
- sliver_offset = CPSW1_SLIVER_OFFSET;
- dma_params.desc_mem_phys = 0;
- break;
- case CPSW_VERSION_2:
- case CPSW_VERSION_3:
- case CPSW_VERSION_4:
- cpsw->host_port_regs = ss_regs + CPSW2_HOST_PORT_OFFSET;
- cpts_regs = ss_regs + CPSW2_CPTS_OFFSET;
- cpsw->hw_stats = ss_regs + CPSW2_HW_STATS;
- dma_params.dmaregs = ss_regs + CPSW2_CPDMA_OFFSET;
- dma_params.txhdp = ss_regs + CPSW2_STATERAM_OFFSET;
- ale_params.ale_regs = ss_regs + CPSW2_ALE_OFFSET;
- slave_offset = CPSW2_SLAVE_OFFSET;
- slave_size = CPSW2_SLAVE_SIZE;
- sliver_offset = CPSW2_SLIVER_OFFSET;
- dma_params.desc_mem_phys =
- (u32 __force) ss_res->start + CPSW2_BD_OFFSET;
- break;
- default:
- dev_err(priv->dev, "unknown version 0x%08x\n", cpsw->version);
- ret = -ENODEV;
- goto clean_dt_ret;
- }
- for (i = 0; i < cpsw->data.slaves; i++) {
- struct cpsw_slave *slave = &cpsw->slaves[i];
-
- cpsw_slave_init(slave, cpsw, slave_offset, sliver_offset);
- slave_offset += slave_size;
- sliver_offset += SLIVER_SIZE;
- }
-
- dma_params.dev = &pdev->dev;
- dma_params.rxthresh = dma_params.dmaregs + CPDMA_RXTHRESH;
- dma_params.rxfree = dma_params.dmaregs + CPDMA_RXFREE;
- dma_params.rxhdp = dma_params.txhdp + CPDMA_RXHDP;
- dma_params.txcp = dma_params.txhdp + CPDMA_TXCP;
- dma_params.rxcp = dma_params.txhdp + CPDMA_RXCP;
-
- dma_params.num_chan = data->channels;
- dma_params.has_soft_reset = true;
- dma_params.min_packet_size = CPSW_MIN_PACKET_SIZE;
- dma_params.desc_mem_size = data->bd_ram_size;
- dma_params.desc_align = 16;
- dma_params.has_ext_regs = true;
- dma_params.desc_hw_addr = dma_params.desc_mem_phys;
- dma_params.bus_freq_mhz = cpsw->bus_freq_mhz;
- dma_params.descs_pool_size = descs_pool_size;
-
- cpsw->dma = cpdma_ctlr_create(&dma_params);
- if (!cpsw->dma) {
- dev_err(priv->dev, "error initializing dma\n");
- ret = -ENOMEM;
+ ret = cpsw_init_common(cpsw, ss_regs, ale_ageout,
+ ss_res->start + CPSW2_BD_OFFSET,
+ descs_pool_size);
+ if (ret)
goto clean_dt_ret;
- }
-
- soc = soc_device_match(cpsw_soc_devices);
- if (soc)
- cpsw->quirk_irq = 1;
ch = cpsw->quirk_irq ? 0 : 7;
cpsw->txv[0].ch = cpdma_chan_create(cpsw->dma, ch, cpsw_tx_handler, 0);
if (IS_ERR(cpsw->txv[0].ch)) {
- dev_err(priv->dev, "error initializing tx dma channel\n");
+ dev_err(dev, "error initializing tx dma channel\n");
ret = PTR_ERR(cpsw->txv[0].ch);
- goto clean_dma_ret;
+ goto clean_cpts;
}
cpsw->rxv[0].ch = cpdma_chan_create(cpsw->dma, 0, cpsw_rx_handler, 1);
if (IS_ERR(cpsw->rxv[0].ch)) {
- dev_err(priv->dev, "error initializing rx dma channel\n");
+ dev_err(dev, "error initializing rx dma channel\n");
ret = PTR_ERR(cpsw->rxv[0].ch);
- goto clean_dma_ret;
+ goto clean_cpts;
}
+ cpsw_split_res(cpsw);
- ale_params.dev = &pdev->dev;
- ale_params.ale_ageout = ale_ageout;
- ale_params.ale_entries = data->ale_entries;
- ale_params.ale_ports = CPSW_ALE_PORTS_NUM;
-
- cpsw->ale = cpsw_ale_create(&ale_params);
- if (!cpsw->ale) {
- dev_err(priv->dev, "error initializing ale engine\n");
- ret = -ENODEV;
- goto clean_dma_ret;
+ /* setup netdev */
+ ndev = devm_alloc_etherdev_mqs(dev, sizeof(struct cpsw_priv),
+ CPSW_MAX_QUEUES, CPSW_MAX_QUEUES);
+ if (!ndev) {
+ dev_err(dev, "error allocating net_device\n");
+ goto clean_cpts;
}
- cpsw->cpts = cpts_create(cpsw->dev, cpts_regs, cpsw->dev->of_node);
- if (IS_ERR(cpsw->cpts)) {
- ret = PTR_ERR(cpsw->cpts);
- goto clean_dma_ret;
- }
+ platform_set_drvdata(pdev, ndev);
+ priv = netdev_priv(ndev);
+ priv->cpsw = cpsw;
+ priv->ndev = ndev;
+ priv->dev = dev;
+ priv->msg_enable = netif_msg_init(debug_level, CPSW_DEBUG);
+ priv->emac_port = 0;
- ndev->irq = platform_get_irq(pdev, 1);
- if (ndev->irq < 0) {
- dev_err(priv->dev, "error getting irq resource\n");
- ret = ndev->irq;
- goto clean_dma_ret;
+ if (is_valid_ether_addr(data->slave_data[0].mac_addr)) {
+ memcpy(priv->mac_addr, data->slave_data[0].mac_addr, ETH_ALEN);
+ dev_info(dev, "Detected MACID = %pM\n", priv->mac_addr);
+ } else {
+ eth_random_addr(priv->mac_addr);
+ dev_info(dev, "Random MACID = %pM\n", priv->mac_addr);
}
+ memcpy(ndev->dev_addr, priv->mac_addr, ETH_ALEN);
+
+ cpsw->slaves[0].ndev = ndev;
+
ndev->features |= NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_VLAN_CTAG_RX;
ndev->netdev_ops = &cpsw_netdev_ops;
@@ -3705,15 +2504,14 @@ static int cpsw_probe(struct platform_device *pdev)
netif_tx_napi_add(ndev, &cpsw->napi_tx,
cpsw->quirk_irq ? cpsw_tx_poll : cpsw_tx_mq_poll,
CPSW_POLL_WEIGHT);
- cpsw_split_res(ndev);
/* register the network device */
- SET_NETDEV_DEV(ndev, &pdev->dev);
+ SET_NETDEV_DEV(ndev, dev);
ret = register_netdev(ndev);
if (ret) {
- dev_err(priv->dev, "error registering net device\n");
+ dev_err(dev, "error registering net device\n");
ret = -ENODEV;
- goto clean_dma_ret;
+ goto clean_cpts;
}
if (cpsw->data.dual_emac) {
@@ -3731,40 +2529,24 @@ static int cpsw_probe(struct platform_device *pdev)
* If anyone wants to implement support for those, make sure to
* first request and append them to irqs_table array.
*/
-
- /* RX IRQ */
- irq = platform_get_irq(pdev, 1);
- if (irq < 0) {
- ret = irq;
- goto clean_dma_ret;
- }
-
- cpsw->irqs_table[0] = irq;
- ret = devm_request_irq(&pdev->dev, irq, cpsw_rx_interrupt,
- 0, dev_name(&pdev->dev), cpsw);
+ ret = devm_request_irq(dev, cpsw->irqs_table[0], cpsw_rx_interrupt,
+ 0, dev_name(dev), cpsw);
if (ret < 0) {
- dev_err(priv->dev, "error attaching irq (%d)\n", ret);
- goto clean_dma_ret;
+ dev_err(dev, "error attaching irq (%d)\n", ret);
+ goto clean_unregister_netdev_ret;
}
- /* TX IRQ */
- irq = platform_get_irq(pdev, 2);
- if (irq < 0) {
- ret = irq;
- goto clean_dma_ret;
- }
- cpsw->irqs_table[1] = irq;
- ret = devm_request_irq(&pdev->dev, irq, cpsw_tx_interrupt,
+ ret = devm_request_irq(dev, cpsw->irqs_table[1], cpsw_tx_interrupt,
0, dev_name(&pdev->dev), cpsw);
if (ret < 0) {
- dev_err(priv->dev, "error attaching irq (%d)\n", ret);
- goto clean_dma_ret;
+ dev_err(dev, "error attaching irq (%d)\n", ret);
+ goto clean_unregister_netdev_ret;
}
cpsw_notice(priv, probe,
"initialized device (regs %pa, irq %d, pool size %d)\n",
- &ss_res->start, ndev->irq, dma_params.descs_pool_size);
+ &ss_res->start, cpsw->irqs_table[0], descs_pool_size);
pm_runtime_put(&pdev->dev);
@@ -3772,15 +2554,14 @@ static int cpsw_probe(struct platform_device *pdev)
clean_unregister_netdev_ret:
unregister_netdev(ndev);
-clean_dma_ret:
+clean_cpts:
+ cpts_release(cpsw->cpts);
cpdma_ctlr_destroy(cpsw->dma);
clean_dt_ret:
cpsw_remove_dt(pdev);
pm_runtime_put_sync(&pdev->dev);
clean_runtime_disable_ret:
pm_runtime_disable(&pdev->dev);
-clean_ndev_ret:
- free_netdev(priv->ndev);
return ret;
}
@@ -3805,9 +2586,6 @@ static int cpsw_remove(struct platform_device *pdev)
cpsw_remove_dt(pdev);
pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
- if (cpsw->data.dual_emac)
- free_netdev(cpsw->slaves[1].ndev);
- free_netdev(ndev);
return 0;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.