| /* |
| * Atmel MACB Ethernet Controller driver |
| * |
| * Copyright (C) 2004-2006 Atmel Corporation |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| #ifndef _MACB_H |
| #define _MACB_H |
| |
| #define MACB_GREGS_NBR 16 |
| #define MACB_GREGS_VERSION 2 |
| #define MACB_MAX_QUEUES 8 |
| |
| /* MACB register offsets */ |
| #define MACB_NCR 0x0000 /* Network Control */ |
| #define MACB_NCFGR 0x0004 /* Network Config */ |
| #define MACB_NSR 0x0008 /* Network Status */ |
| #define MACB_TAR 0x000c /* AT91RM9200 only */ |
| #define MACB_TCR 0x0010 /* AT91RM9200 only */ |
| #define MACB_TSR 0x0014 /* Transmit Status */ |
| #define MACB_RBQP 0x0018 /* RX Q Base Address */ |
| #define MACB_TBQP 0x001c /* TX Q Base Address */ |
| #define MACB_RSR 0x0020 /* Receive Status */ |
| #define MACB_ISR 0x0024 /* Interrupt Status */ |
| #define MACB_IER 0x0028 /* Interrupt Enable */ |
| #define MACB_IDR 0x002c /* Interrupt Disable */ |
| #define MACB_IMR 0x0030 /* Interrupt Mask */ |
| #define MACB_MAN 0x0034 /* PHY Maintenance */ |
| #define MACB_PTR 0x0038 |
| #define MACB_PFR 0x003c |
| #define MACB_FTO 0x0040 |
| #define MACB_SCF 0x0044 |
| #define MACB_MCF 0x0048 |
| #define MACB_FRO 0x004c |
| #define MACB_FCSE 0x0050 |
| #define MACB_ALE 0x0054 |
| #define MACB_DTF 0x0058 |
| #define MACB_LCOL 0x005c |
| #define MACB_EXCOL 0x0060 |
| #define MACB_TUND 0x0064 |
| #define MACB_CSE 0x0068 |
| #define MACB_RRE 0x006c |
| #define MACB_ROVR 0x0070 |
| #define MACB_RSE 0x0074 |
| #define MACB_ELE 0x0078 |
| #define MACB_RJA 0x007c |
| #define MACB_USF 0x0080 |
| #define MACB_STE 0x0084 |
| #define MACB_RLE 0x0088 |
| #define MACB_TPF 0x008c |
| #define MACB_HRB 0x0090 |
| #define MACB_HRT 0x0094 |
| #define MACB_SA1B 0x0098 |
| #define MACB_SA1T 0x009c |
| #define MACB_SA2B 0x00a0 |
| #define MACB_SA2T 0x00a4 |
| #define MACB_SA3B 0x00a8 |
| #define MACB_SA3T 0x00ac |
| #define MACB_SA4B 0x00b0 |
| #define MACB_SA4T 0x00b4 |
| #define MACB_TID 0x00b8 |
| #define MACB_TPQ 0x00bc |
| #define MACB_USRIO 0x00c0 |
| #define MACB_WOL 0x00c4 |
| #define MACB_MID 0x00fc |
| |
| /* GEM register offsets. */ |
| #define GEM_NCFGR 0x0004 /* Network Config */ |
| #define GEM_USRIO 0x000c /* User IO */ |
| #define GEM_DMACFG 0x0010 /* DMA Configuration */ |
| #define GEM_JML 0x0048 /* Jumbo Max Length */ |
| #define GEM_HRB 0x0080 /* Hash Bottom */ |
| #define GEM_HRT 0x0084 /* Hash Top */ |
| #define GEM_SA1B 0x0088 /* Specific1 Bottom */ |
| #define GEM_SA1T 0x008C /* Specific1 Top */ |
| #define GEM_SA2B 0x0090 /* Specific2 Bottom */ |
| #define GEM_SA2T 0x0094 /* Specific2 Top */ |
| #define GEM_SA3B 0x0098 /* Specific3 Bottom */ |
| #define GEM_SA3T 0x009C /* Specific3 Top */ |
| #define GEM_SA4B 0x00A0 /* Specific4 Bottom */ |
| #define GEM_SA4T 0x00A4 /* Specific4 Top */ |
| #define GEM_OTX 0x0100 /* Octets transmitted */ |
| #define GEM_OCTTXL 0x0100 /* Octets transmitted [31:0] */ |
| #define GEM_OCTTXH 0x0104 /* Octets transmitted [47:32] */ |
| #define GEM_TXCNT 0x0108 /* Frames Transmitted counter */ |
| #define GEM_TXBCCNT 0x010c /* Broadcast Frames counter */ |
| #define GEM_TXMCCNT 0x0110 /* Multicast Frames counter */ |
| #define GEM_TXPAUSECNT 0x0114 /* Pause Frames Transmitted Counter */ |
| #define GEM_TX64CNT 0x0118 /* 64 byte Frames TX counter */ |
| #define GEM_TX65CNT 0x011c /* 65-127 byte Frames TX counter */ |
| #define GEM_TX128CNT 0x0120 /* 128-255 byte Frames TX counter */ |
| #define GEM_TX256CNT 0x0124 /* 256-511 byte Frames TX counter */ |
| #define GEM_TX512CNT 0x0128 /* 512-1023 byte Frames TX counter */ |
| #define GEM_TX1024CNT 0x012c /* 1024-1518 byte Frames TX counter */ |
| #define GEM_TX1519CNT 0x0130 /* 1519+ byte Frames TX counter */ |
| #define GEM_TXURUNCNT 0x0134 /* TX under run error counter */ |
| #define GEM_SNGLCOLLCNT 0x0138 /* Single Collision Frame Counter */ |
| #define GEM_MULTICOLLCNT 0x013c /* Multiple Collision Frame Counter */ |
| #define GEM_EXCESSCOLLCNT 0x0140 /* Excessive Collision Frame Counter */ |
| #define GEM_LATECOLLCNT 0x0144 /* Late Collision Frame Counter */ |
| #define GEM_TXDEFERCNT 0x0148 /* Deferred Transmission Frame Counter */ |
| #define GEM_TXCSENSECNT 0x014c /* Carrier Sense Error Counter */ |
| #define GEM_ORX 0x0150 /* Octets received */ |
| #define GEM_OCTRXL 0x0150 /* Octets received [31:0] */ |
| #define GEM_OCTRXH 0x0154 /* Octets received [47:32] */ |
| #define GEM_RXCNT 0x0158 /* Frames Received Counter */ |
| #define GEM_RXBROADCNT 0x015c /* Broadcast Frames Received Counter */ |
| #define GEM_RXMULTICNT 0x0160 /* Multicast Frames Received Counter */ |
| #define GEM_RXPAUSECNT 0x0164 /* Pause Frames Received Counter */ |
| #define GEM_RX64CNT 0x0168 /* 64 byte Frames RX Counter */ |
| #define GEM_RX65CNT 0x016c /* 65-127 byte Frames RX Counter */ |
| #define GEM_RX128CNT 0x0170 /* 128-255 byte Frames RX Counter */ |
| #define GEM_RX256CNT 0x0174 /* 256-511 byte Frames RX Counter */ |
| #define GEM_RX512CNT 0x0178 /* 512-1023 byte Frames RX Counter */ |
| #define GEM_RX1024CNT 0x017c /* 1024-1518 byte Frames RX Counter */ |
| #define GEM_RX1519CNT 0x0180 /* 1519+ byte Frames RX Counter */ |
| #define GEM_RXUNDRCNT 0x0184 /* Undersize Frames Received Counter */ |
| #define GEM_RXOVRCNT 0x0188 /* Oversize Frames Received Counter */ |
| #define GEM_RXJABCNT 0x018c /* Jabbers Received Counter */ |
| #define GEM_RXFCSCNT 0x0190 /* Frame Check Sequence Error Counter */ |
| #define GEM_RXLENGTHCNT 0x0194 /* Length Field Error Counter */ |
| #define GEM_RXSYMBCNT 0x0198 /* Symbol Error Counter */ |
| #define GEM_RXALIGNCNT 0x019c /* Alignment Error Counter */ |
| #define GEM_RXRESERRCNT 0x01a0 /* Receive Resource Error Counter */ |
| #define GEM_RXORCNT 0x01a4 /* Receive Overrun Counter */ |
| #define GEM_RXIPCCNT 0x01a8 /* IP header Checksum Error Counter */ |
| #define GEM_RXTCPCCNT 0x01ac /* TCP Checksum Error Counter */ |
| #define GEM_RXUDPCCNT 0x01b0 /* UDP Checksum Error Counter */ |
| #define GEM_DCFG1 0x0280 /* Design Config 1 */ |
| #define GEM_DCFG2 0x0284 /* Design Config 2 */ |
| #define GEM_DCFG3 0x0288 /* Design Config 3 */ |
| #define GEM_DCFG4 0x028c /* Design Config 4 */ |
| #define GEM_DCFG5 0x0290 /* Design Config 5 */ |
| #define GEM_DCFG6 0x0294 /* Design Config 6 */ |
| #define GEM_DCFG7 0x0298 /* Design Config 7 */ |
| |
| #define GEM_ISR(hw_q) (0x0400 + ((hw_q) << 2)) |
| #define GEM_TBQP(hw_q) (0x0440 + ((hw_q) << 2)) |
| #define GEM_RBQP(hw_q) (0x0480 + ((hw_q) << 2)) |
| #define GEM_IER(hw_q) (0x0600 + ((hw_q) << 2)) |
| #define GEM_IDR(hw_q) (0x0620 + ((hw_q) << 2)) |
| #define GEM_IMR(hw_q) (0x0640 + ((hw_q) << 2)) |
| |
| /* Bitfields in NCR */ |
| #define MACB_LB_OFFSET 0 /* reserved */ |
| #define MACB_LB_SIZE 1 |
| #define MACB_LLB_OFFSET 1 /* Loop back local */ |
| #define MACB_LLB_SIZE 1 |
| #define MACB_RE_OFFSET 2 /* Receive enable */ |
| #define MACB_RE_SIZE 1 |
| #define MACB_TE_OFFSET 3 /* Transmit enable */ |
| #define MACB_TE_SIZE 1 |
| #define MACB_MPE_OFFSET 4 /* Management port enable */ |
| #define MACB_MPE_SIZE 1 |
| #define MACB_CLRSTAT_OFFSET 5 /* Clear stats regs */ |
| #define MACB_CLRSTAT_SIZE 1 |
| #define MACB_INCSTAT_OFFSET 6 /* Incremental stats regs */ |
| #define MACB_INCSTAT_SIZE 1 |
| #define MACB_WESTAT_OFFSET 7 /* Write enable stats regs */ |
| #define MACB_WESTAT_SIZE 1 |
| #define MACB_BP_OFFSET 8 /* Back pressure */ |
| #define MACB_BP_SIZE 1 |
| #define MACB_TSTART_OFFSET 9 /* Start transmission */ |
| #define MACB_TSTART_SIZE 1 |
| #define MACB_THALT_OFFSET 10 /* Transmit halt */ |
| #define MACB_THALT_SIZE 1 |
| #define MACB_NCR_TPF_OFFSET 11 /* Transmit pause frame */ |
| #define MACB_NCR_TPF_SIZE 1 |
| #define MACB_TZQ_OFFSET 12 /* Transmit zero quantum pause frame */ |
| #define MACB_TZQ_SIZE 1 |
| |
| /* Bitfields in NCFGR */ |
| #define MACB_SPD_OFFSET 0 /* Speed */ |
| #define MACB_SPD_SIZE 1 |
| #define MACB_FD_OFFSET 1 /* Full duplex */ |
| #define MACB_FD_SIZE 1 |
| #define MACB_BIT_RATE_OFFSET 2 /* Discard non-VLAN frames */ |
| #define MACB_BIT_RATE_SIZE 1 |
| #define MACB_JFRAME_OFFSET 3 /* reserved */ |
| #define MACB_JFRAME_SIZE 1 |
| #define MACB_CAF_OFFSET 4 /* Copy all frames */ |
| #define MACB_CAF_SIZE 1 |
| #define MACB_NBC_OFFSET 5 /* No broadcast */ |
| #define MACB_NBC_SIZE 1 |
| #define MACB_NCFGR_MTI_OFFSET 6 /* Multicast hash enable */ |
| #define MACB_NCFGR_MTI_SIZE 1 |
| #define MACB_UNI_OFFSET 7 /* Unicast hash enable */ |
| #define MACB_UNI_SIZE 1 |
| #define MACB_BIG_OFFSET 8 /* Receive 1536 byte frames */ |
| #define MACB_BIG_SIZE 1 |
| #define MACB_EAE_OFFSET 9 /* External address match enable */ |
| #define MACB_EAE_SIZE 1 |
| #define MACB_CLK_OFFSET 10 |
| #define MACB_CLK_SIZE 2 |
| #define MACB_RTY_OFFSET 12 /* Retry test */ |
| #define MACB_RTY_SIZE 1 |
| #define MACB_PAE_OFFSET 13 /* Pause enable */ |
| #define MACB_PAE_SIZE 1 |
| #define MACB_RM9200_RMII_OFFSET 13 /* AT91RM9200 only */ |
| #define MACB_RM9200_RMII_SIZE 1 /* AT91RM9200 only */ |
| #define MACB_RBOF_OFFSET 14 /* Receive buffer offset */ |
| #define MACB_RBOF_SIZE 2 |
| #define MACB_RLCE_OFFSET 16 /* Length field error frame discard */ |
| #define MACB_RLCE_SIZE 1 |
| #define MACB_DRFCS_OFFSET 17 /* FCS remove */ |
| #define MACB_DRFCS_SIZE 1 |
| #define MACB_EFRHD_OFFSET 18 |
| #define MACB_EFRHD_SIZE 1 |
| #define MACB_IRXFCS_OFFSET 19 |
| #define MACB_IRXFCS_SIZE 1 |
| |
| /* GEM specific NCFGR bitfields. */ |
| #define GEM_GBE_OFFSET 10 /* Gigabit mode enable */ |
| #define GEM_GBE_SIZE 1 |
| #define GEM_PCSSEL_OFFSET 11 |
| #define GEM_PCSSEL_SIZE 1 |
| #define GEM_CLK_OFFSET 18 /* MDC clock division */ |
| #define GEM_CLK_SIZE 3 |
| #define GEM_DBW_OFFSET 21 /* Data bus width */ |
| #define GEM_DBW_SIZE 2 |
| #define GEM_RXCOEN_OFFSET 24 |
| #define GEM_RXCOEN_SIZE 1 |
| #define GEM_SGMIIEN_OFFSET 27 |
| #define GEM_SGMIIEN_SIZE 1 |
| |
| |
| /* Constants for data bus width. */ |
| #define GEM_DBW32 0 /* 32 bit AMBA AHB data bus width */ |
| #define GEM_DBW64 1 /* 64 bit AMBA AHB data bus width */ |
| #define GEM_DBW128 2 /* 128 bit AMBA AHB data bus width */ |
| |
| /* Bitfields in DMACFG. */ |
| #define GEM_FBLDO_OFFSET 0 /* fixed burst length for DMA */ |
| #define GEM_FBLDO_SIZE 5 |
| #define GEM_ENDIA_DESC_OFFSET 6 /* endian swap mode for management descriptor access */ |
| #define GEM_ENDIA_DESC_SIZE 1 |
| #define GEM_ENDIA_PKT_OFFSET 7 /* endian swap mode for packet data access */ |
| #define GEM_ENDIA_PKT_SIZE 1 |
| #define GEM_RXBMS_OFFSET 8 /* RX packet buffer memory size select */ |
| #define GEM_RXBMS_SIZE 2 |
| #define GEM_TXPBMS_OFFSET 10 /* TX packet buffer memory size select */ |
| #define GEM_TXPBMS_SIZE 1 |
| #define GEM_TXCOEN_OFFSET 11 /* TX IP/TCP/UDP checksum gen offload */ |
| #define GEM_TXCOEN_SIZE 1 |
| #define GEM_RXBS_OFFSET 16 /* DMA receive buffer size */ |
| #define GEM_RXBS_SIZE 8 |
| #define GEM_DDRP_OFFSET 24 /* disc_when_no_ahb */ |
| #define GEM_DDRP_SIZE 1 |
| |
| |
| /* Bitfields in NSR */ |
| #define MACB_NSR_LINK_OFFSET 0 /* pcs_link_state */ |
| #define MACB_NSR_LINK_SIZE 1 |
| #define MACB_MDIO_OFFSET 1 /* status of the mdio_in pin */ |
| #define MACB_MDIO_SIZE 1 |
| #define MACB_IDLE_OFFSET 2 /* The PHY management logic is idle */ |
| #define MACB_IDLE_SIZE 1 |
| |
| /* Bitfields in TSR */ |
| #define MACB_UBR_OFFSET 0 /* Used bit read */ |
| #define MACB_UBR_SIZE 1 |
| #define MACB_COL_OFFSET 1 /* Collision occurred */ |
| #define MACB_COL_SIZE 1 |
| #define MACB_TSR_RLE_OFFSET 2 /* Retry limit exceeded */ |
| #define MACB_TSR_RLE_SIZE 1 |
| #define MACB_TGO_OFFSET 3 /* Transmit go */ |
| #define MACB_TGO_SIZE 1 |
| #define MACB_BEX_OFFSET 4 /* TX frame corruption due to AHB error */ |
| #define MACB_BEX_SIZE 1 |
| #define MACB_RM9200_BNQ_OFFSET 4 /* AT91RM9200 only */ |
| #define MACB_RM9200_BNQ_SIZE 1 /* AT91RM9200 only */ |
| #define MACB_COMP_OFFSET 5 /* Trnasmit complete */ |
| #define MACB_COMP_SIZE 1 |
| #define MACB_UND_OFFSET 6 /* Trnasmit under run */ |
| #define MACB_UND_SIZE 1 |
| |
| /* Bitfields in RSR */ |
| #define MACB_BNA_OFFSET 0 /* Buffer not available */ |
| #define MACB_BNA_SIZE 1 |
| #define MACB_REC_OFFSET 1 /* Frame received */ |
| #define MACB_REC_SIZE 1 |
| #define MACB_OVR_OFFSET 2 /* Receive overrun */ |
| #define MACB_OVR_SIZE 1 |
| |
| /* Bitfields in ISR/IER/IDR/IMR */ |
| #define MACB_MFD_OFFSET 0 /* Management frame sent */ |
| #define MACB_MFD_SIZE 1 |
| #define MACB_RCOMP_OFFSET 1 /* Receive complete */ |
| #define MACB_RCOMP_SIZE 1 |
| #define MACB_RXUBR_OFFSET 2 /* RX used bit read */ |
| #define MACB_RXUBR_SIZE 1 |
| #define MACB_TXUBR_OFFSET 3 /* TX used bit read */ |
| #define MACB_TXUBR_SIZE 1 |
| #define MACB_ISR_TUND_OFFSET 4 /* Enable TX buffer under run interrupt */ |
| #define MACB_ISR_TUND_SIZE 1 |
| #define MACB_ISR_RLE_OFFSET 5 /* EN retry exceeded/late coll interrupt */ |
| #define MACB_ISR_RLE_SIZE 1 |
| #define MACB_TXERR_OFFSET 6 /* EN TX frame corrupt from error interrupt */ |
| #define MACB_TXERR_SIZE 1 |
| #define MACB_TCOMP_OFFSET 7 /* Enable transmit complete interrupt */ |
| #define MACB_TCOMP_SIZE 1 |
| #define MACB_ISR_LINK_OFFSET 9 /* Enable link change interrupt */ |
| #define MACB_ISR_LINK_SIZE 1 |
| #define MACB_ISR_ROVR_OFFSET 10 /* Enable receive overrun interrupt */ |
| #define MACB_ISR_ROVR_SIZE 1 |
| #define MACB_HRESP_OFFSET 11 /* Enable hrsep not OK interrupt */ |
| #define MACB_HRESP_SIZE 1 |
| #define MACB_PFR_OFFSET 12 /* Enable pause frame w/ quantum interrupt */ |
| #define MACB_PFR_SIZE 1 |
| #define MACB_PTZ_OFFSET 13 /* Enable pause time zero interrupt */ |
| #define MACB_PTZ_SIZE 1 |
| #define MACB_WOL_OFFSET 14 /* Enable wake-on-lan interrupt */ |
| #define MACB_WOL_SIZE 1 |
| |
| /* Bitfields in MAN */ |
| #define MACB_DATA_OFFSET 0 /* data */ |
| #define MACB_DATA_SIZE 16 |
| #define MACB_CODE_OFFSET 16 /* Must be written to 10 */ |
| #define MACB_CODE_SIZE 2 |
| #define MACB_REGA_OFFSET 18 /* Register address */ |
| #define MACB_REGA_SIZE 5 |
| #define MACB_PHYA_OFFSET 23 /* PHY address */ |
| #define MACB_PHYA_SIZE 5 |
| #define MACB_RW_OFFSET 28 /* Operation. 10 is read. 01 is write. */ |
| #define MACB_RW_SIZE 2 |
| #define MACB_SOF_OFFSET 30 /* Must be written to 1 for Clause 22 */ |
| #define MACB_SOF_SIZE 2 |
| |
| /* Bitfields in USRIO (AVR32) */ |
| #define MACB_MII_OFFSET 0 |
| #define MACB_MII_SIZE 1 |
| #define MACB_EAM_OFFSET 1 |
| #define MACB_EAM_SIZE 1 |
| #define MACB_TX_PAUSE_OFFSET 2 |
| #define MACB_TX_PAUSE_SIZE 1 |
| #define MACB_TX_PAUSE_ZERO_OFFSET 3 |
| #define MACB_TX_PAUSE_ZERO_SIZE 1 |
| |
| /* Bitfields in USRIO (AT91) */ |
| #define MACB_RMII_OFFSET 0 |
| #define MACB_RMII_SIZE 1 |
| #define GEM_RGMII_OFFSET 0 /* GEM gigabit mode */ |
| #define GEM_RGMII_SIZE 1 |
| #define MACB_CLKEN_OFFSET 1 |
| #define MACB_CLKEN_SIZE 1 |
| |
| /* Bitfields in WOL */ |
| #define MACB_IP_OFFSET 0 |
| #define MACB_IP_SIZE 16 |
| #define MACB_MAG_OFFSET 16 |
| #define MACB_MAG_SIZE 1 |
| #define MACB_ARP_OFFSET 17 |
| #define MACB_ARP_SIZE 1 |
| #define MACB_SA1_OFFSET 18 |
| #define MACB_SA1_SIZE 1 |
| #define MACB_WOL_MTI_OFFSET 19 |
| #define MACB_WOL_MTI_SIZE 1 |
| |
| /* Bitfields in MID */ |
| #define MACB_IDNUM_OFFSET 16 |
| #define MACB_IDNUM_SIZE 12 |
| #define MACB_REV_OFFSET 0 |
| #define MACB_REV_SIZE 16 |
| |
| /* Bitfields in DCFG1. */ |
| #define GEM_IRQCOR_OFFSET 23 |
| #define GEM_IRQCOR_SIZE 1 |
| #define GEM_DBWDEF_OFFSET 25 |
| #define GEM_DBWDEF_SIZE 3 |
| |
| /* Bitfields in DCFG2. */ |
| #define GEM_RX_PKT_BUFF_OFFSET 20 |
| #define GEM_RX_PKT_BUFF_SIZE 1 |
| #define GEM_TX_PKT_BUFF_OFFSET 21 |
| #define GEM_TX_PKT_BUFF_SIZE 1 |
| |
| /* Constants for CLK */ |
| #define MACB_CLK_DIV8 0 |
| #define MACB_CLK_DIV16 1 |
| #define MACB_CLK_DIV32 2 |
| #define MACB_CLK_DIV64 3 |
| |
| /* GEM specific constants for CLK. */ |
| #define GEM_CLK_DIV8 0 |
| #define GEM_CLK_DIV16 1 |
| #define GEM_CLK_DIV32 2 |
| #define GEM_CLK_DIV48 3 |
| #define GEM_CLK_DIV64 4 |
| #define GEM_CLK_DIV96 5 |
| |
| /* Constants for MAN register */ |
| #define MACB_MAN_SOF 1 |
| #define MACB_MAN_WRITE 1 |
| #define MACB_MAN_READ 2 |
| #define MACB_MAN_CODE 2 |
| |
| /* Capability mask bits */ |
| #define MACB_CAPS_ISR_CLEAR_ON_WRITE 0x00000001 |
| #define MACB_CAPS_USRIO_HAS_CLKEN 0x00000002 |
| #define MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII 0x00000004 |
| #define MACB_CAPS_NO_GIGABIT_HALF 0x00000008 |
| #define MACB_CAPS_USRIO_DISABLED 0x00000010 |
| #define MACB_CAPS_FIFO_MODE 0x10000000 |
| #define MACB_CAPS_GIGABIT_MODE_AVAILABLE 0x20000000 |
| #define MACB_CAPS_SG_DISABLED 0x40000000 |
| #define MACB_CAPS_MACB_IS_GEM 0x80000000 |
| #define MACB_CAPS_JUMBO 0x00000010 |
| |
| /* Bit manipulation macros */ |
| #define MACB_BIT(name) \ |
| (1 << MACB_##name##_OFFSET) |
| #define MACB_BF(name,value) \ |
| (((value) & ((1 << MACB_##name##_SIZE) - 1)) \ |
| << MACB_##name##_OFFSET) |
| #define MACB_BFEXT(name,value)\ |
| (((value) >> MACB_##name##_OFFSET) \ |
| & ((1 << MACB_##name##_SIZE) - 1)) |
| #define MACB_BFINS(name,value,old) \ |
| (((old) & ~(((1 << MACB_##name##_SIZE) - 1) \ |
| << MACB_##name##_OFFSET)) \ |
| | MACB_BF(name,value)) |
| |
| #define GEM_BIT(name) \ |
| (1 << GEM_##name##_OFFSET) |
| #define GEM_BF(name, value) \ |
| (((value) & ((1 << GEM_##name##_SIZE) - 1)) \ |
| << GEM_##name##_OFFSET) |
| #define GEM_BFEXT(name, value)\ |
| (((value) >> GEM_##name##_OFFSET) \ |
| & ((1 << GEM_##name##_SIZE) - 1)) |
| #define GEM_BFINS(name, value, old) \ |
| (((old) & ~(((1 << GEM_##name##_SIZE) - 1) \ |
| << GEM_##name##_OFFSET)) \ |
| | GEM_BF(name, value)) |
| |
| /* Register access macros */ |
| #define macb_readl(port, reg) (port)->macb_reg_readl((port), MACB_##reg) |
| #define macb_writel(port, reg, value) (port)->macb_reg_writel((port), MACB_##reg, (value)) |
| #define gem_readl(port, reg) (port)->macb_reg_readl((port), GEM_##reg) |
| #define gem_writel(port, reg, value) (port)->macb_reg_writel((port), GEM_##reg, (value)) |
| #define queue_readl(queue, reg) (queue)->bp->macb_reg_readl((queue)->bp, (queue)->reg) |
| #define queue_writel(queue, reg, value) (queue)->bp->macb_reg_writel((queue)->bp, (queue)->reg, (value)) |
| |
| /* Conditional GEM/MACB macros. These perform the operation to the correct |
| * register dependent on whether the device is a GEM or a MACB. For registers |
| * and bitfields that are common across both devices, use macb_{read,write}l |
| * to avoid the cost of the conditional. |
| */ |
| #define macb_or_gem_writel(__bp, __reg, __value) \ |
| ({ \ |
| if (macb_is_gem((__bp))) \ |
| gem_writel((__bp), __reg, __value); \ |
| else \ |
| macb_writel((__bp), __reg, __value); \ |
| }) |
| |
| #define macb_or_gem_readl(__bp, __reg) \ |
| ({ \ |
| u32 __v; \ |
| if (macb_is_gem((__bp))) \ |
| __v = gem_readl((__bp), __reg); \ |
| else \ |
| __v = macb_readl((__bp), __reg); \ |
| __v; \ |
| }) |
| |
| /* struct macb_dma_desc - Hardware DMA descriptor |
| * @addr: DMA address of data buffer |
| * @ctrl: Control and status bits |
| */ |
| struct macb_dma_desc { |
| u32 addr; |
| u32 ctrl; |
| }; |
| |
| /* DMA descriptor bitfields */ |
| #define MACB_RX_USED_OFFSET 0 |
| #define MACB_RX_USED_SIZE 1 |
| #define MACB_RX_WRAP_OFFSET 1 |
| #define MACB_RX_WRAP_SIZE 1 |
| #define MACB_RX_WADDR_OFFSET 2 |
| #define MACB_RX_WADDR_SIZE 30 |
| |
| #define MACB_RX_FRMLEN_OFFSET 0 |
| #define MACB_RX_FRMLEN_SIZE 12 |
| #define MACB_RX_OFFSET_OFFSET 12 |
| #define MACB_RX_OFFSET_SIZE 2 |
| #define MACB_RX_SOF_OFFSET 14 |
| #define MACB_RX_SOF_SIZE 1 |
| #define MACB_RX_EOF_OFFSET 15 |
| #define MACB_RX_EOF_SIZE 1 |
| #define MACB_RX_CFI_OFFSET 16 |
| #define MACB_RX_CFI_SIZE 1 |
| #define MACB_RX_VLAN_PRI_OFFSET 17 |
| #define MACB_RX_VLAN_PRI_SIZE 3 |
| #define MACB_RX_PRI_TAG_OFFSET 20 |
| #define MACB_RX_PRI_TAG_SIZE 1 |
| #define MACB_RX_VLAN_TAG_OFFSET 21 |
| #define MACB_RX_VLAN_TAG_SIZE 1 |
| #define MACB_RX_TYPEID_MATCH_OFFSET 22 |
| #define MACB_RX_TYPEID_MATCH_SIZE 1 |
| #define MACB_RX_SA4_MATCH_OFFSET 23 |
| #define MACB_RX_SA4_MATCH_SIZE 1 |
| #define MACB_RX_SA3_MATCH_OFFSET 24 |
| #define MACB_RX_SA3_MATCH_SIZE 1 |
| #define MACB_RX_SA2_MATCH_OFFSET 25 |
| #define MACB_RX_SA2_MATCH_SIZE 1 |
| #define MACB_RX_SA1_MATCH_OFFSET 26 |
| #define MACB_RX_SA1_MATCH_SIZE 1 |
| #define MACB_RX_EXT_MATCH_OFFSET 28 |
| #define MACB_RX_EXT_MATCH_SIZE 1 |
| #define MACB_RX_UHASH_MATCH_OFFSET 29 |
| #define MACB_RX_UHASH_MATCH_SIZE 1 |
| #define MACB_RX_MHASH_MATCH_OFFSET 30 |
| #define MACB_RX_MHASH_MATCH_SIZE 1 |
| #define MACB_RX_BROADCAST_OFFSET 31 |
| #define MACB_RX_BROADCAST_SIZE 1 |
| |
| #define MACB_RX_FRMLEN_MASK 0xFFF |
| #define MACB_RX_JFRMLEN_MASK 0x3FFF |
| |
| /* RX checksum offload disabled: bit 24 clear in NCFGR */ |
| #define GEM_RX_TYPEID_MATCH_OFFSET 22 |
| #define GEM_RX_TYPEID_MATCH_SIZE 2 |
| |
| /* RX checksum offload enabled: bit 24 set in NCFGR */ |
| #define GEM_RX_CSUM_OFFSET 22 |
| #define GEM_RX_CSUM_SIZE 2 |
| |
| #define MACB_TX_FRMLEN_OFFSET 0 |
| #define MACB_TX_FRMLEN_SIZE 11 |
| #define MACB_TX_LAST_OFFSET 15 |
| #define MACB_TX_LAST_SIZE 1 |
| #define MACB_TX_NOCRC_OFFSET 16 |
| #define MACB_TX_NOCRC_SIZE 1 |
| #define MACB_TX_BUF_EXHAUSTED_OFFSET 27 |
| #define MACB_TX_BUF_EXHAUSTED_SIZE 1 |
| #define MACB_TX_UNDERRUN_OFFSET 28 |
| #define MACB_TX_UNDERRUN_SIZE 1 |
| #define MACB_TX_ERROR_OFFSET 29 |
| #define MACB_TX_ERROR_SIZE 1 |
| #define MACB_TX_WRAP_OFFSET 30 |
| #define MACB_TX_WRAP_SIZE 1 |
| #define MACB_TX_USED_OFFSET 31 |
| #define MACB_TX_USED_SIZE 1 |
| |
| #define GEM_TX_FRMLEN_OFFSET 0 |
| #define GEM_TX_FRMLEN_SIZE 14 |
| |
| /* Buffer descriptor constants */ |
| #define GEM_RX_CSUM_NONE 0 |
| #define GEM_RX_CSUM_IP_ONLY 1 |
| #define GEM_RX_CSUM_IP_TCP 2 |
| #define GEM_RX_CSUM_IP_UDP 3 |
| |
| /* limit RX checksum offload to TCP and UDP packets */ |
| #define GEM_RX_CSUM_CHECKED_MASK 2 |
| |
| /* struct macb_tx_skb - data about an skb which is being transmitted |
| * @skb: skb currently being transmitted, only set for the last buffer |
| * of the frame |
| * @mapping: DMA address of the skb's fragment buffer |
| * @size: size of the DMA mapped buffer |
| * @mapped_as_page: true when buffer was mapped with skb_frag_dma_map(), |
| * false when buffer was mapped with dma_map_single() |
| */ |
| struct macb_tx_skb { |
| struct sk_buff *skb; |
| dma_addr_t mapping; |
| size_t size; |
| bool mapped_as_page; |
| }; |
| |
| /* Hardware-collected statistics. Used when updating the network |
| * device stats by a periodic timer. |
| */ |
| struct macb_stats { |
| u32 rx_pause_frames; |
| u32 tx_ok; |
| u32 tx_single_cols; |
| u32 tx_multiple_cols; |
| u32 rx_ok; |
| u32 rx_fcs_errors; |
| u32 rx_align_errors; |
| u32 tx_deferred; |
| u32 tx_late_cols; |
| u32 tx_excessive_cols; |
| u32 tx_underruns; |
| u32 tx_carrier_errors; |
| u32 rx_resource_errors; |
| u32 rx_overruns; |
| u32 rx_symbol_errors; |
| u32 rx_oversize_pkts; |
| u32 rx_jabbers; |
| u32 rx_undersize_pkts; |
| u32 sqe_test_errors; |
| u32 rx_length_mismatch; |
| u32 tx_pause_frames; |
| }; |
| |
| struct gem_stats { |
| u32 tx_octets_31_0; |
| u32 tx_octets_47_32; |
| u32 tx_frames; |
| u32 tx_broadcast_frames; |
| u32 tx_multicast_frames; |
| u32 tx_pause_frames; |
| u32 tx_64_byte_frames; |
| u32 tx_65_127_byte_frames; |
| u32 tx_128_255_byte_frames; |
| u32 tx_256_511_byte_frames; |
| u32 tx_512_1023_byte_frames; |
| u32 tx_1024_1518_byte_frames; |
| u32 tx_greater_than_1518_byte_frames; |
| u32 tx_underrun; |
| u32 tx_single_collision_frames; |
| u32 tx_multiple_collision_frames; |
| u32 tx_excessive_collisions; |
| u32 tx_late_collisions; |
| u32 tx_deferred_frames; |
| u32 tx_carrier_sense_errors; |
| u32 rx_octets_31_0; |
| u32 rx_octets_47_32; |
| u32 rx_frames; |
| u32 rx_broadcast_frames; |
| u32 rx_multicast_frames; |
| u32 rx_pause_frames; |
| u32 rx_64_byte_frames; |
| u32 rx_65_127_byte_frames; |
| u32 rx_128_255_byte_frames; |
| u32 rx_256_511_byte_frames; |
| u32 rx_512_1023_byte_frames; |
| u32 rx_1024_1518_byte_frames; |
| u32 rx_greater_than_1518_byte_frames; |
| u32 rx_undersized_frames; |
| u32 rx_oversize_frames; |
| u32 rx_jabbers; |
| u32 rx_frame_check_sequence_errors; |
| u32 rx_length_field_frame_errors; |
| u32 rx_symbol_errors; |
| u32 rx_alignment_errors; |
| u32 rx_resource_errors; |
| u32 rx_overruns; |
| u32 rx_ip_header_checksum_errors; |
| u32 rx_tcp_checksum_errors; |
| u32 rx_udp_checksum_errors; |
| }; |
| |
| /* Describes the name and offset of an individual statistic register, as |
| * returned by `ethtool -S`. Also describes which net_device_stats statistics |
| * this register should contribute to. |
| */ |
| struct gem_statistic { |
| char stat_string[ETH_GSTRING_LEN]; |
| int offset; |
| u32 stat_bits; |
| }; |
| |
| /* Bitfield defs for net_device_stat statistics */ |
| #define GEM_NDS_RXERR_OFFSET 0 |
| #define GEM_NDS_RXLENERR_OFFSET 1 |
| #define GEM_NDS_RXOVERERR_OFFSET 2 |
| #define GEM_NDS_RXCRCERR_OFFSET 3 |
| #define GEM_NDS_RXFRAMEERR_OFFSET 4 |
| #define GEM_NDS_RXFIFOERR_OFFSET 5 |
| #define GEM_NDS_TXERR_OFFSET 6 |
| #define GEM_NDS_TXABORTEDERR_OFFSET 7 |
| #define GEM_NDS_TXCARRIERERR_OFFSET 8 |
| #define GEM_NDS_TXFIFOERR_OFFSET 9 |
| #define GEM_NDS_COLLISIONS_OFFSET 10 |
| |
| #define GEM_STAT_TITLE(name, title) GEM_STAT_TITLE_BITS(name, title, 0) |
| #define GEM_STAT_TITLE_BITS(name, title, bits) { \ |
| .stat_string = title, \ |
| .offset = GEM_##name, \ |
| .stat_bits = bits \ |
| } |
| |
| /* list of gem statistic registers. The names MUST match the |
| * corresponding GEM_* definitions. |
| */ |
| static const struct gem_statistic gem_statistics[] = { |
| GEM_STAT_TITLE(OCTTXL, "tx_octets"), /* OCTTXH combined with OCTTXL */ |
| GEM_STAT_TITLE(TXCNT, "tx_frames"), |
| GEM_STAT_TITLE(TXBCCNT, "tx_broadcast_frames"), |
| GEM_STAT_TITLE(TXMCCNT, "tx_multicast_frames"), |
| GEM_STAT_TITLE(TXPAUSECNT, "tx_pause_frames"), |
| GEM_STAT_TITLE(TX64CNT, "tx_64_byte_frames"), |
| GEM_STAT_TITLE(TX65CNT, "tx_65_127_byte_frames"), |
| GEM_STAT_TITLE(TX128CNT, "tx_128_255_byte_frames"), |
| GEM_STAT_TITLE(TX256CNT, "tx_256_511_byte_frames"), |
| GEM_STAT_TITLE(TX512CNT, "tx_512_1023_byte_frames"), |
| GEM_STAT_TITLE(TX1024CNT, "tx_1024_1518_byte_frames"), |
| GEM_STAT_TITLE(TX1519CNT, "tx_greater_than_1518_byte_frames"), |
| GEM_STAT_TITLE_BITS(TXURUNCNT, "tx_underrun", |
| GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_TXFIFOERR)), |
| GEM_STAT_TITLE_BITS(SNGLCOLLCNT, "tx_single_collision_frames", |
| GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)), |
| GEM_STAT_TITLE_BITS(MULTICOLLCNT, "tx_multiple_collision_frames", |
| GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)), |
| GEM_STAT_TITLE_BITS(EXCESSCOLLCNT, "tx_excessive_collisions", |
| GEM_BIT(NDS_TXERR)| |
| GEM_BIT(NDS_TXABORTEDERR)| |
| GEM_BIT(NDS_COLLISIONS)), |
| GEM_STAT_TITLE_BITS(LATECOLLCNT, "tx_late_collisions", |
| GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)), |
| GEM_STAT_TITLE(TXDEFERCNT, "tx_deferred_frames"), |
| GEM_STAT_TITLE_BITS(TXCSENSECNT, "tx_carrier_sense_errors", |
| GEM_BIT(NDS_TXERR)|GEM_BIT(NDS_COLLISIONS)), |
| GEM_STAT_TITLE(OCTRXL, "rx_octets"), /* OCTRXH combined with OCTRXL */ |
| GEM_STAT_TITLE(RXCNT, "rx_frames"), |
| GEM_STAT_TITLE(RXBROADCNT, "rx_broadcast_frames"), |
| GEM_STAT_TITLE(RXMULTICNT, "rx_multicast_frames"), |
| GEM_STAT_TITLE(RXPAUSECNT, "rx_pause_frames"), |
| GEM_STAT_TITLE(RX64CNT, "rx_64_byte_frames"), |
| GEM_STAT_TITLE(RX65CNT, "rx_65_127_byte_frames"), |
| GEM_STAT_TITLE(RX128CNT, "rx_128_255_byte_frames"), |
| GEM_STAT_TITLE(RX256CNT, "rx_256_511_byte_frames"), |
| GEM_STAT_TITLE(RX512CNT, "rx_512_1023_byte_frames"), |
| GEM_STAT_TITLE(RX1024CNT, "rx_1024_1518_byte_frames"), |
| GEM_STAT_TITLE(RX1519CNT, "rx_greater_than_1518_byte_frames"), |
| GEM_STAT_TITLE_BITS(RXUNDRCNT, "rx_undersized_frames", |
| GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXLENERR)), |
| GEM_STAT_TITLE_BITS(RXOVRCNT, "rx_oversize_frames", |
| GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXLENERR)), |
| GEM_STAT_TITLE_BITS(RXJABCNT, "rx_jabbers", |
| GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXLENERR)), |
| GEM_STAT_TITLE_BITS(RXFCSCNT, "rx_frame_check_sequence_errors", |
| GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXCRCERR)), |
| GEM_STAT_TITLE_BITS(RXLENGTHCNT, "rx_length_field_frame_errors", |
| GEM_BIT(NDS_RXERR)), |
| GEM_STAT_TITLE_BITS(RXSYMBCNT, "rx_symbol_errors", |
| GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXFRAMEERR)), |
| GEM_STAT_TITLE_BITS(RXALIGNCNT, "rx_alignment_errors", |
| GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXOVERERR)), |
| GEM_STAT_TITLE_BITS(RXRESERRCNT, "rx_resource_errors", |
| GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXOVERERR)), |
| GEM_STAT_TITLE_BITS(RXORCNT, "rx_overruns", |
| GEM_BIT(NDS_RXERR)|GEM_BIT(NDS_RXFIFOERR)), |
| GEM_STAT_TITLE_BITS(RXIPCCNT, "rx_ip_header_checksum_errors", |
| GEM_BIT(NDS_RXERR)), |
| GEM_STAT_TITLE_BITS(RXTCPCCNT, "rx_tcp_checksum_errors", |
| GEM_BIT(NDS_RXERR)), |
| GEM_STAT_TITLE_BITS(RXUDPCCNT, "rx_udp_checksum_errors", |
| GEM_BIT(NDS_RXERR)), |
| }; |
| |
| #define GEM_STATS_LEN ARRAY_SIZE(gem_statistics) |
| |
| struct macb; |
| |
| struct macb_or_gem_ops { |
| int (*mog_alloc_rx_buffers)(struct macb *bp); |
| void (*mog_free_rx_buffers)(struct macb *bp); |
| void (*mog_init_rings)(struct macb *bp); |
| int (*mog_rx)(struct macb *bp, int budget); |
| }; |
| |
| struct macb_config { |
| u32 caps; |
| unsigned int dma_burst_length; |
| int (*clk_init)(struct platform_device *pdev, struct clk **pclk, |
| struct clk **hclk, struct clk **tx_clk); |
| int (*init)(struct platform_device *pdev); |
| int jumbo_max_len; |
| }; |
| |
| struct macb_queue { |
| struct macb *bp; |
| int irq; |
| |
| unsigned int ISR; |
| unsigned int IER; |
| unsigned int IDR; |
| unsigned int IMR; |
| unsigned int TBQP; |
| |
| unsigned int tx_head, tx_tail; |
| struct macb_dma_desc *tx_ring; |
| struct macb_tx_skb *tx_skb; |
| dma_addr_t tx_ring_dma; |
| struct work_struct tx_error_task; |
| }; |
| |
| struct macb { |
| void __iomem *regs; |
| bool native_io; |
| |
| /* hardware IO accessors */ |
| u32 (*macb_reg_readl)(struct macb *bp, int offset); |
| void (*macb_reg_writel)(struct macb *bp, int offset, u32 value); |
| |
| unsigned int rx_tail; |
| unsigned int rx_prepared_head; |
| struct macb_dma_desc *rx_ring; |
| struct sk_buff **rx_skbuff; |
| void *rx_buffers; |
| size_t rx_buffer_size; |
| |
| unsigned int num_queues; |
| unsigned int queue_mask; |
| struct macb_queue queues[MACB_MAX_QUEUES]; |
| |
| spinlock_t lock; |
| struct platform_device *pdev; |
| struct clk *pclk; |
| struct clk *hclk; |
| struct clk *tx_clk; |
| struct net_device *dev; |
| struct napi_struct napi; |
| struct net_device_stats stats; |
| union { |
| struct macb_stats macb; |
| struct gem_stats gem; |
| } hw_stats; |
| |
| dma_addr_t rx_ring_dma; |
| dma_addr_t rx_buffers_dma; |
| |
| struct macb_or_gem_ops macbgem_ops; |
| |
| struct mii_bus *mii_bus; |
| int link; |
| int speed; |
| int duplex; |
| |
| u32 caps; |
| unsigned int dma_burst_length; |
| |
| phy_interface_t phy_interface; |
| struct gpio_desc *reset_gpio; |
| |
| /* AT91RM9200 transmit */ |
| struct sk_buff *skb; /* holds skb until xmit interrupt completes */ |
| dma_addr_t skb_physaddr; /* phys addr from pci_map_single */ |
| int skb_length; /* saved skb length for pci_unmap_single */ |
| unsigned int max_tx_length; |
| |
| u64 ethtool_stats[GEM_STATS_LEN]; |
| |
| unsigned int rx_frm_len_mask; |
| unsigned int jumbo_max_len; |
| |
| u32 wol; |
| }; |
| |
| static inline bool macb_is_gem(struct macb *bp) |
| { |
| return !!(bp->caps & MACB_CAPS_MACB_IS_GEM); |
| } |
| |
| #endif /* _MACB_H */ |
