1 /******************************************************************************* 2 STMMAC Common Header File 3 4 Copyright (C) 2007-2009 STMicroelectronics Ltd 5 6 This program is free software; you can redistribute it and/or modify it 7 under the terms and conditions of the GNU General Public License, 8 version 2, as published by the Free Software Foundation. 9 10 This program is distributed in the hope it will be useful, but WITHOUT 11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 more details. 14 15 You should have received a copy of the GNU General Public License along with 16 this program; if not, write to the Free Software Foundation, Inc., 17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 18 19 The full GNU General Public License is included in this distribution in 20 the file called "COPYING". 21 22 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com> 23 *******************************************************************************/ 24 25 #ifndef __COMMON_H__ 26 #define __COMMON_H__ 27 28 #include <linux/etherdevice.h> 29 #include <linux/netdevice.h> 30 #include <linux/stmmac.h> 31 #include <linux/phy.h> 32 #include <linux/module.h> 33 #if IS_ENABLED(CONFIG_VLAN_8021Q) 34 #define STMMAC_VLAN_TAG_USED 35 #include <linux/if_vlan.h> 36 #endif 37 38 #include "descs.h" 39 #include "mmc.h" 40 41 /* Synopsys Core versions */ 42 #define DWMAC_CORE_3_40 0x34 43 #define DWMAC_CORE_3_50 0x35 44 #define DWMAC_CORE_4_00 0x40 45 #define STMMAC_CHAN0 0 /* Always supported and default for all chips */ 46 47 /* These need to be power of two, and >= 4 */ 48 #define DMA_TX_SIZE 512 49 #define DMA_RX_SIZE 512 50 #define STMMAC_GET_ENTRY(x, size) ((x + 1) & (size - 1)) 51 52 #undef FRAME_FILTER_DEBUG 53 /* #define FRAME_FILTER_DEBUG */ 54 55 /* Extra statistic and debug information exposed by ethtool */ 56 struct stmmac_extra_stats { 57 /* Transmit errors */ 58 unsigned long tx_underflow ____cacheline_aligned; 59 unsigned long tx_carrier; 60 unsigned long tx_losscarrier; 61 unsigned long vlan_tag; 62 unsigned long tx_deferred; 63 unsigned long tx_vlan; 64 unsigned long tx_jabber; 65 unsigned long tx_frame_flushed; 66 unsigned long tx_payload_error; 67 unsigned long tx_ip_header_error; 68 /* Receive errors */ 69 unsigned long rx_desc; 70 unsigned long sa_filter_fail; 71 unsigned long overflow_error; 72 unsigned long ipc_csum_error; 73 unsigned long rx_collision; 74 unsigned long rx_crc; 75 unsigned long dribbling_bit; 76 unsigned long rx_length; 77 unsigned long rx_mii; 78 unsigned long rx_multicast; 79 unsigned long rx_gmac_overflow; 80 unsigned long rx_watchdog; 81 unsigned long da_rx_filter_fail; 82 unsigned long sa_rx_filter_fail; 83 unsigned long rx_missed_cntr; 84 unsigned long rx_overflow_cntr; 85 unsigned long rx_vlan; 86 /* Tx/Rx IRQ error info */ 87 unsigned long tx_undeflow_irq; 88 unsigned long tx_process_stopped_irq; 89 unsigned long tx_jabber_irq; 90 unsigned long rx_overflow_irq; 91 unsigned long rx_buf_unav_irq; 92 unsigned long rx_process_stopped_irq; 93 unsigned long rx_watchdog_irq; 94 unsigned long tx_early_irq; 95 unsigned long fatal_bus_error_irq; 96 /* Tx/Rx IRQ Events */ 97 unsigned long rx_early_irq; 98 unsigned long threshold; 99 unsigned long tx_pkt_n; 100 unsigned long rx_pkt_n; 101 unsigned long normal_irq_n; 102 unsigned long rx_normal_irq_n; 103 unsigned long napi_poll; 104 unsigned long tx_normal_irq_n; 105 unsigned long tx_clean; 106 unsigned long tx_set_ic_bit; 107 unsigned long irq_receive_pmt_irq_n; 108 /* MMC info */ 109 unsigned long mmc_tx_irq_n; 110 unsigned long mmc_rx_irq_n; 111 unsigned long mmc_rx_csum_offload_irq_n; 112 /* EEE */ 113 unsigned long irq_tx_path_in_lpi_mode_n; 114 unsigned long irq_tx_path_exit_lpi_mode_n; 115 unsigned long irq_rx_path_in_lpi_mode_n; 116 unsigned long irq_rx_path_exit_lpi_mode_n; 117 unsigned long phy_eee_wakeup_error_n; 118 /* Extended RDES status */ 119 unsigned long ip_hdr_err; 120 unsigned long ip_payload_err; 121 unsigned long ip_csum_bypassed; 122 unsigned long ipv4_pkt_rcvd; 123 unsigned long ipv6_pkt_rcvd; 124 unsigned long no_ptp_rx_msg_type_ext; 125 unsigned long ptp_rx_msg_type_sync; 126 unsigned long ptp_rx_msg_type_follow_up; 127 unsigned long ptp_rx_msg_type_delay_req; 128 unsigned long ptp_rx_msg_type_delay_resp; 129 unsigned long ptp_rx_msg_type_pdelay_req; 130 unsigned long ptp_rx_msg_type_pdelay_resp; 131 unsigned long ptp_rx_msg_type_pdelay_follow_up; 132 unsigned long ptp_rx_msg_type_announce; 133 unsigned long ptp_rx_msg_type_management; 134 unsigned long ptp_rx_msg_pkt_reserved_type; 135 unsigned long ptp_frame_type; 136 unsigned long ptp_ver; 137 unsigned long timestamp_dropped; 138 unsigned long av_pkt_rcvd; 139 unsigned long av_tagged_pkt_rcvd; 140 unsigned long vlan_tag_priority_val; 141 unsigned long l3_filter_match; 142 unsigned long l4_filter_match; 143 unsigned long l3_l4_filter_no_match; 144 /* PCS */ 145 unsigned long irq_pcs_ane_n; 146 unsigned long irq_pcs_link_n; 147 unsigned long irq_rgmii_n; 148 unsigned long pcs_link; 149 unsigned long pcs_duplex; 150 unsigned long pcs_speed; 151 /* debug register */ 152 unsigned long mtl_tx_status_fifo_full; 153 unsigned long mtl_tx_fifo_not_empty; 154 unsigned long mmtl_fifo_ctrl; 155 unsigned long mtl_tx_fifo_read_ctrl_write; 156 unsigned long mtl_tx_fifo_read_ctrl_wait; 157 unsigned long mtl_tx_fifo_read_ctrl_read; 158 unsigned long mtl_tx_fifo_read_ctrl_idle; 159 unsigned long mac_tx_in_pause; 160 unsigned long mac_tx_frame_ctrl_xfer; 161 unsigned long mac_tx_frame_ctrl_idle; 162 unsigned long mac_tx_frame_ctrl_wait; 163 unsigned long mac_tx_frame_ctrl_pause; 164 unsigned long mac_gmii_tx_proto_engine; 165 unsigned long mtl_rx_fifo_fill_level_full; 166 unsigned long mtl_rx_fifo_fill_above_thresh; 167 unsigned long mtl_rx_fifo_fill_below_thresh; 168 unsigned long mtl_rx_fifo_fill_level_empty; 169 unsigned long mtl_rx_fifo_read_ctrl_flush; 170 unsigned long mtl_rx_fifo_read_ctrl_read_data; 171 unsigned long mtl_rx_fifo_read_ctrl_status; 172 unsigned long mtl_rx_fifo_read_ctrl_idle; 173 unsigned long mtl_rx_fifo_ctrl_active; 174 unsigned long mac_rx_frame_ctrl_fifo; 175 unsigned long mac_gmii_rx_proto_engine; 176 /* TSO */ 177 unsigned long tx_tso_frames; 178 unsigned long tx_tso_nfrags; 179 }; 180 181 /* CSR Frequency Access Defines*/ 182 #define CSR_F_35M 35000000 183 #define CSR_F_60M 60000000 184 #define CSR_F_100M 100000000 185 #define CSR_F_150M 150000000 186 #define CSR_F_250M 250000000 187 #define CSR_F_300M 300000000 188 189 #define MAC_CSR_H_FRQ_MASK 0x20 190 191 #define HASH_TABLE_SIZE 64 192 #define PAUSE_TIME 0xffff 193 194 /* Flow Control defines */ 195 #define FLOW_OFF 0 196 #define FLOW_RX 1 197 #define FLOW_TX 2 198 #define FLOW_AUTO (FLOW_TX | FLOW_RX) 199 200 /* PCS defines */ 201 #define STMMAC_PCS_RGMII (1 << 0) 202 #define STMMAC_PCS_SGMII (1 << 1) 203 #define STMMAC_PCS_TBI (1 << 2) 204 #define STMMAC_PCS_RTBI (1 << 3) 205 206 #define SF_DMA_MODE 1 /* DMA STORE-AND-FORWARD Operation Mode */ 207 208 /* DAM HW feature register fields */ 209 #define DMA_HW_FEAT_MIISEL 0x00000001 /* 10/100 Mbps Support */ 210 #define DMA_HW_FEAT_GMIISEL 0x00000002 /* 1000 Mbps Support */ 211 #define DMA_HW_FEAT_HDSEL 0x00000004 /* Half-Duplex Support */ 212 #define DMA_HW_FEAT_EXTHASHEN 0x00000008 /* Expanded DA Hash Filter */ 213 #define DMA_HW_FEAT_HASHSEL 0x00000010 /* HASH Filter */ 214 #define DMA_HW_FEAT_ADDMAC 0x00000020 /* Multiple MAC Addr Reg */ 215 #define DMA_HW_FEAT_PCSSEL 0x00000040 /* PCS registers */ 216 #define DMA_HW_FEAT_L3L4FLTREN 0x00000080 /* Layer 3 & Layer 4 Feature */ 217 #define DMA_HW_FEAT_SMASEL 0x00000100 /* SMA(MDIO) Interface */ 218 #define DMA_HW_FEAT_RWKSEL 0x00000200 /* PMT Remote Wakeup */ 219 #define DMA_HW_FEAT_MGKSEL 0x00000400 /* PMT Magic Packet */ 220 #define DMA_HW_FEAT_MMCSEL 0x00000800 /* RMON Module */ 221 #define DMA_HW_FEAT_TSVER1SEL 0x00001000 /* Only IEEE 1588-2002 */ 222 #define DMA_HW_FEAT_TSVER2SEL 0x00002000 /* IEEE 1588-2008 PTPv2 */ 223 #define DMA_HW_FEAT_EEESEL 0x00004000 /* Energy Efficient Ethernet */ 224 #define DMA_HW_FEAT_AVSEL 0x00008000 /* AV Feature */ 225 #define DMA_HW_FEAT_TXCOESEL 0x00010000 /* Checksum Offload in Tx */ 226 #define DMA_HW_FEAT_RXTYP1COE 0x00020000 /* IP COE (Type 1) in Rx */ 227 #define DMA_HW_FEAT_RXTYP2COE 0x00040000 /* IP COE (Type 2) in Rx */ 228 #define DMA_HW_FEAT_RXFIFOSIZE 0x00080000 /* Rx FIFO > 2048 Bytes */ 229 #define DMA_HW_FEAT_RXCHCNT 0x00300000 /* No. additional Rx Channels */ 230 #define DMA_HW_FEAT_TXCHCNT 0x00c00000 /* No. additional Tx Channels */ 231 #define DMA_HW_FEAT_ENHDESSEL 0x01000000 /* Alternate Descriptor */ 232 /* Timestamping with Internal System Time */ 233 #define DMA_HW_FEAT_INTTSEN 0x02000000 234 #define DMA_HW_FEAT_FLEXIPPSEN 0x04000000 /* Flexible PPS Output */ 235 #define DMA_HW_FEAT_SAVLANINS 0x08000000 /* Source Addr or VLAN */ 236 #define DMA_HW_FEAT_ACTPHYIF 0x70000000 /* Active/selected PHY iface */ 237 #define DEFAULT_DMA_PBL 8 238 239 /* PCS status and mask defines */ 240 #define PCS_ANE_IRQ BIT(2) /* PCS Auto-Negotiation */ 241 #define PCS_LINK_IRQ BIT(1) /* PCS Link */ 242 #define PCS_RGSMIIIS_IRQ BIT(0) /* RGMII or SMII Interrupt */ 243 244 /* Max/Min RI Watchdog Timer count value */ 245 #define MAX_DMA_RIWT 0xff 246 #define MIN_DMA_RIWT 0x20 247 /* Tx coalesce parameters */ 248 #define STMMAC_COAL_TX_TIMER 40000 249 #define STMMAC_MAX_COAL_TX_TICK 100000 250 #define STMMAC_TX_MAX_FRAMES 256 251 #define STMMAC_TX_FRAMES 64 252 253 /* Rx IPC status */ 254 enum rx_frame_status { 255 good_frame = 0x0, 256 discard_frame = 0x1, 257 csum_none = 0x2, 258 llc_snap = 0x4, 259 dma_own = 0x8, 260 rx_not_ls = 0x10, 261 }; 262 263 /* Tx status */ 264 enum tx_frame_status { 265 tx_done = 0x0, 266 tx_not_ls = 0x1, 267 tx_err = 0x2, 268 tx_dma_own = 0x4, 269 }; 270 271 enum dma_irq_status { 272 tx_hard_error = 0x1, 273 tx_hard_error_bump_tc = 0x2, 274 handle_rx = 0x4, 275 handle_tx = 0x8, 276 }; 277 278 /* EEE and LPI defines */ 279 #define CORE_IRQ_TX_PATH_IN_LPI_MODE (1 << 0) 280 #define CORE_IRQ_TX_PATH_EXIT_LPI_MODE (1 << 1) 281 #define CORE_IRQ_RX_PATH_IN_LPI_MODE (1 << 2) 282 #define CORE_IRQ_RX_PATH_EXIT_LPI_MODE (1 << 3) 283 284 #define CORE_IRQ_MTL_RX_OVERFLOW BIT(8) 285 286 /* Physical Coding Sublayer */ 287 struct rgmii_adv { 288 unsigned int pause; 289 unsigned int duplex; 290 unsigned int lp_pause; 291 unsigned int lp_duplex; 292 }; 293 294 #define STMMAC_PCS_PAUSE 1 295 #define STMMAC_PCS_ASYM_PAUSE 2 296 297 /* DMA HW capabilities */ 298 struct dma_features { 299 unsigned int mbps_10_100; 300 unsigned int mbps_1000; 301 unsigned int half_duplex; 302 unsigned int hash_filter; 303 unsigned int multi_addr; 304 unsigned int pcs; 305 unsigned int sma_mdio; 306 unsigned int pmt_remote_wake_up; 307 unsigned int pmt_magic_frame; 308 unsigned int rmon; 309 /* IEEE 1588-2002 */ 310 unsigned int time_stamp; 311 /* IEEE 1588-2008 */ 312 unsigned int atime_stamp; 313 /* 802.3az - Energy-Efficient Ethernet (EEE) */ 314 unsigned int eee; 315 unsigned int av; 316 unsigned int tsoen; 317 /* TX and RX csum */ 318 unsigned int tx_coe; 319 unsigned int rx_coe; 320 unsigned int rx_coe_type1; 321 unsigned int rx_coe_type2; 322 unsigned int rxfifo_over_2048; 323 /* TX and RX number of channels */ 324 unsigned int number_rx_channel; 325 unsigned int number_tx_channel; 326 /* Alternate (enhanced) DESC mode */ 327 unsigned int enh_desc; 328 }; 329 330 /* GMAC TX FIFO is 8K, Rx FIFO is 16K */ 331 #define BUF_SIZE_16KiB 16384 332 #define BUF_SIZE_8KiB 8192 333 #define BUF_SIZE_4KiB 4096 334 #define BUF_SIZE_2KiB 2048 335 336 /* Power Down and WOL */ 337 #define PMT_NOT_SUPPORTED 0 338 #define PMT_SUPPORTED 1 339 340 /* Common MAC defines */ 341 #define MAC_CTRL_REG 0x00000000 /* MAC Control */ 342 #define MAC_ENABLE_TX 0x00000008 /* Transmitter Enable */ 343 #define MAC_RNABLE_RX 0x00000004 /* Receiver Enable */ 344 345 /* Default LPI timers */ 346 #define STMMAC_DEFAULT_LIT_LS 0x3E8 347 #define STMMAC_DEFAULT_TWT_LS 0x1E 348 349 #define STMMAC_CHAIN_MODE 0x1 350 #define STMMAC_RING_MODE 0x2 351 352 #define JUMBO_LEN 9000 353 354 /* Descriptors helpers */ 355 struct stmmac_desc_ops { 356 /* DMA RX descriptor ring initialization */ 357 void (*init_rx_desc) (struct dma_desc *p, int disable_rx_ic, int mode, 358 int end); 359 /* DMA TX descriptor ring initialization */ 360 void (*init_tx_desc) (struct dma_desc *p, int mode, int end); 361 362 /* Invoked by the xmit function to prepare the tx descriptor */ 363 void (*prepare_tx_desc) (struct dma_desc *p, int is_fs, int len, 364 bool csum_flag, int mode, bool tx_own, 365 bool ls); 366 void (*prepare_tso_tx_desc)(struct dma_desc *p, int is_fs, int len1, 367 int len2, bool tx_own, bool ls, 368 unsigned int tcphdrlen, 369 unsigned int tcppayloadlen); 370 /* Set/get the owner of the descriptor */ 371 void (*set_tx_owner) (struct dma_desc *p); 372 int (*get_tx_owner) (struct dma_desc *p); 373 /* Clean the tx descriptor as soon as the tx irq is received */ 374 void (*release_tx_desc) (struct dma_desc *p, int mode); 375 /* Clear interrupt on tx frame completion. When this bit is 376 * set an interrupt happens as soon as the frame is transmitted */ 377 void (*set_tx_ic)(struct dma_desc *p); 378 /* Last tx segment reports the transmit status */ 379 int (*get_tx_ls) (struct dma_desc *p); 380 /* Return the transmit status looking at the TDES1 */ 381 int (*tx_status) (void *data, struct stmmac_extra_stats *x, 382 struct dma_desc *p, void __iomem *ioaddr); 383 /* Get the buffer size from the descriptor */ 384 int (*get_tx_len) (struct dma_desc *p); 385 /* Handle extra events on specific interrupts hw dependent */ 386 void (*set_rx_owner) (struct dma_desc *p); 387 /* Get the receive frame size */ 388 int (*get_rx_frame_len) (struct dma_desc *p, int rx_coe_type); 389 /* Return the reception status looking at the RDES1 */ 390 int (*rx_status) (void *data, struct stmmac_extra_stats *x, 391 struct dma_desc *p); 392 void (*rx_extended_status) (void *data, struct stmmac_extra_stats *x, 393 struct dma_extended_desc *p); 394 /* Set tx timestamp enable bit */ 395 void (*enable_tx_timestamp) (struct dma_desc *p); 396 /* get tx timestamp status */ 397 int (*get_tx_timestamp_status) (struct dma_desc *p); 398 /* get timestamp value */ 399 u64(*get_timestamp) (void *desc, u32 ats); 400 /* get rx timestamp status */ 401 int (*get_rx_timestamp_status) (void *desc, u32 ats); 402 /* Display ring */ 403 void (*display_ring)(void *head, unsigned int size, bool rx); 404 /* set MSS via context descriptor */ 405 void (*set_mss)(struct dma_desc *p, unsigned int mss); 406 }; 407 408 extern const struct stmmac_desc_ops enh_desc_ops; 409 extern const struct stmmac_desc_ops ndesc_ops; 410 411 /* Specific DMA helpers */ 412 struct stmmac_dma_ops { 413 /* DMA core initialization */ 414 int (*reset)(void __iomem *ioaddr); 415 void (*init)(void __iomem *ioaddr, struct stmmac_dma_cfg *dma_cfg, 416 u32 dma_tx, u32 dma_rx, int atds); 417 /* Configure the AXI Bus Mode Register */ 418 void (*axi)(void __iomem *ioaddr, struct stmmac_axi *axi); 419 /* Dump DMA registers */ 420 void (*dump_regs) (void __iomem *ioaddr); 421 /* Set tx/rx threshold in the csr6 register 422 * An invalid value enables the store-and-forward mode */ 423 void (*dma_mode)(void __iomem *ioaddr, int txmode, int rxmode, 424 int rxfifosz); 425 /* To track extra statistic (if supported) */ 426 void (*dma_diagnostic_fr) (void *data, struct stmmac_extra_stats *x, 427 void __iomem *ioaddr); 428 void (*enable_dma_transmission) (void __iomem *ioaddr); 429 void (*enable_dma_irq) (void __iomem *ioaddr); 430 void (*disable_dma_irq) (void __iomem *ioaddr); 431 void (*start_tx) (void __iomem *ioaddr); 432 void (*stop_tx) (void __iomem *ioaddr); 433 void (*start_rx) (void __iomem *ioaddr); 434 void (*stop_rx) (void __iomem *ioaddr); 435 int (*dma_interrupt) (void __iomem *ioaddr, 436 struct stmmac_extra_stats *x); 437 /* If supported then get the optional core features */ 438 void (*get_hw_feature)(void __iomem *ioaddr, 439 struct dma_features *dma_cap); 440 /* Program the HW RX Watchdog */ 441 void (*rx_watchdog) (void __iomem *ioaddr, u32 riwt); 442 void (*set_tx_ring_len)(void __iomem *ioaddr, u32 len); 443 void (*set_rx_ring_len)(void __iomem *ioaddr, u32 len); 444 void (*set_rx_tail_ptr)(void __iomem *ioaddr, u32 tail_ptr, u32 chan); 445 void (*set_tx_tail_ptr)(void __iomem *ioaddr, u32 tail_ptr, u32 chan); 446 void (*enable_tso)(void __iomem *ioaddr, bool en, u32 chan); 447 }; 448 449 struct mac_device_info; 450 451 /* Helpers to program the MAC core */ 452 struct stmmac_ops { 453 /* MAC core initialization */ 454 void (*core_init)(struct mac_device_info *hw, int mtu); 455 /* Enable and verify that the IPC module is supported */ 456 int (*rx_ipc)(struct mac_device_info *hw); 457 /* Dump MAC registers */ 458 void (*dump_regs)(struct mac_device_info *hw); 459 /* Handle extra events on specific interrupts hw dependent */ 460 int (*host_irq_status)(struct mac_device_info *hw, 461 struct stmmac_extra_stats *x); 462 /* Multicast filter setting */ 463 void (*set_filter)(struct mac_device_info *hw, struct net_device *dev); 464 /* Flow control setting */ 465 void (*flow_ctrl)(struct mac_device_info *hw, unsigned int duplex, 466 unsigned int fc, unsigned int pause_time); 467 /* Set power management mode (e.g. magic frame) */ 468 void (*pmt)(struct mac_device_info *hw, unsigned long mode); 469 /* Set/Get Unicast MAC addresses */ 470 void (*set_umac_addr)(struct mac_device_info *hw, unsigned char *addr, 471 unsigned int reg_n); 472 void (*get_umac_addr)(struct mac_device_info *hw, unsigned char *addr, 473 unsigned int reg_n); 474 void (*set_eee_mode)(struct mac_device_info *hw); 475 void (*reset_eee_mode)(struct mac_device_info *hw); 476 void (*set_eee_timer)(struct mac_device_info *hw, int ls, int tw); 477 void (*set_eee_pls)(struct mac_device_info *hw, int link); 478 void (*debug)(void __iomem *ioaddr, struct stmmac_extra_stats *x); 479 /* PCS calls */ 480 void (*pcs_ctrl_ane)(void __iomem *ioaddr, bool ane, bool srgmi_ral, 481 bool loopback); 482 void (*pcs_rane)(void __iomem *ioaddr, bool restart); 483 void (*pcs_get_adv_lp)(void __iomem *ioaddr, struct rgmii_adv *adv); 484 }; 485 486 /* PTP and HW Timer helpers */ 487 struct stmmac_hwtimestamp { 488 void (*config_hw_tstamping) (void __iomem *ioaddr, u32 data); 489 u32 (*config_sub_second_increment)(void __iomem *ioaddr, u32 ptp_clock, 490 int gmac4); 491 int (*init_systime) (void __iomem *ioaddr, u32 sec, u32 nsec); 492 int (*config_addend) (void __iomem *ioaddr, u32 addend); 493 int (*adjust_systime) (void __iomem *ioaddr, u32 sec, u32 nsec, 494 int add_sub, int gmac4); 495 u64(*get_systime) (void __iomem *ioaddr); 496 }; 497 498 extern const struct stmmac_hwtimestamp stmmac_ptp; 499 extern const struct stmmac_mode_ops dwmac4_ring_mode_ops; 500 501 struct mac_link { 502 int port; 503 int duplex; 504 int speed; 505 }; 506 507 struct mii_regs { 508 unsigned int addr; /* MII Address */ 509 unsigned int data; /* MII Data */ 510 unsigned int addr_shift; /* MII address shift */ 511 unsigned int reg_shift; /* MII reg shift */ 512 unsigned int addr_mask; /* MII address mask */ 513 unsigned int reg_mask; /* MII reg mask */ 514 unsigned int clk_csr_shift; 515 unsigned int clk_csr_mask; 516 }; 517 518 /* Helpers to manage the descriptors for chain and ring modes */ 519 struct stmmac_mode_ops { 520 void (*init) (void *des, dma_addr_t phy_addr, unsigned int size, 521 unsigned int extend_desc); 522 unsigned int (*is_jumbo_frm) (int len, int ehn_desc); 523 int (*jumbo_frm)(void *priv, struct sk_buff *skb, int csum); 524 int (*set_16kib_bfsize)(int mtu); 525 void (*init_desc3)(struct dma_desc *p); 526 void (*refill_desc3) (void *priv, struct dma_desc *p); 527 void (*clean_desc3) (void *priv, struct dma_desc *p); 528 }; 529 530 struct mac_device_info { 531 const struct stmmac_ops *mac; 532 const struct stmmac_desc_ops *desc; 533 const struct stmmac_dma_ops *dma; 534 const struct stmmac_mode_ops *mode; 535 const struct stmmac_hwtimestamp *ptp; 536 struct mii_regs mii; /* MII register Addresses */ 537 struct mac_link link; 538 void __iomem *pcsr; /* vpointer to device CSRs */ 539 int multicast_filter_bins; 540 int unicast_filter_entries; 541 int mcast_bits_log2; 542 unsigned int rx_csum; 543 unsigned int pcs; 544 unsigned int pmt; 545 unsigned int ps; 546 }; 547 548 struct mac_device_info *dwmac1000_setup(void __iomem *ioaddr, int mcbins, 549 int perfect_uc_entries, 550 int *synopsys_id); 551 struct mac_device_info *dwmac100_setup(void __iomem *ioaddr, int *synopsys_id); 552 struct mac_device_info *dwmac4_setup(void __iomem *ioaddr, int mcbins, 553 int perfect_uc_entries, int *synopsys_id); 554 555 void stmmac_set_mac_addr(void __iomem *ioaddr, u8 addr[6], 556 unsigned int high, unsigned int low); 557 void stmmac_get_mac_addr(void __iomem *ioaddr, unsigned char *addr, 558 unsigned int high, unsigned int low); 559 void stmmac_set_mac(void __iomem *ioaddr, bool enable); 560 561 void stmmac_dwmac4_set_mac_addr(void __iomem *ioaddr, u8 addr[6], 562 unsigned int high, unsigned int low); 563 void stmmac_dwmac4_get_mac_addr(void __iomem *ioaddr, unsigned char *addr, 564 unsigned int high, unsigned int low); 565 void stmmac_dwmac4_set_mac(void __iomem *ioaddr, bool enable); 566 567 void dwmac_dma_flush_tx_fifo(void __iomem *ioaddr); 568 569 extern const struct stmmac_mode_ops ring_mode_ops; 570 extern const struct stmmac_mode_ops chain_mode_ops; 571 extern const struct stmmac_desc_ops dwmac4_desc_ops; 572 573 /** 574 * stmmac_get_synopsys_id - return the SYINID. 575 * @priv: driver private structure 576 * Description: this simple function is to decode and return the SYINID 577 * starting from the HW core register. 578 */ 579 static inline u32 stmmac_get_synopsys_id(u32 hwid) 580 { 581 /* Check Synopsys Id (not available on old chips) */ 582 if (likely(hwid)) { 583 u32 uid = ((hwid & 0x0000ff00) >> 8); 584 u32 synid = (hwid & 0x000000ff); 585 586 pr_info("stmmac - user ID: 0x%x, Synopsys ID: 0x%x\n", 587 uid, synid); 588 589 return synid; 590 } 591 return 0; 592 } 593 #endif /* __COMMON_H__ */ 594