diff options
Diffstat (limited to 'bsps/powerpc/virtex/include/xiltemac.h')
| -rw-r--r-- | bsps/powerpc/virtex/include/xiltemac.h | 375 |
1 files changed, 375 insertions, 0 deletions
diff --git a/bsps/powerpc/virtex/include/xiltemac.h b/bsps/powerpc/virtex/include/xiltemac.h new file mode 100644 index 0000000000..185b89bdc1 --- /dev/null +++ b/bsps/powerpc/virtex/include/xiltemac.h @@ -0,0 +1,375 @@ +/* + * Driver for plb inteface of the xilinx temac 3.00a + * + * Author: Keith Robertson <kjrobert@alumni.uwaterloo.ca> + * Copyright (c) 2007 Linn Products Ltd, Scotland. + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + * + */ + +#ifndef _XILINX_TEMAC_ +#define _XILINX_TEMAC_ +#include <rtems/irq.h> + + +#define XILTEMAC_DRIVER_PREFIX "xiltemac" + +#define DRIVER_PREFIX XILTEMAC_DRIVER_PREFIX + + +/** IPIF interrupt and reset registers + */ +#define XTE_DISR_OFFSET 0x00000000 /**< Device interrupt status */ +#define XTE_DIPR_OFFSET 0x00000004 /**< Device interrupt pending */ +#define XTE_DIER_OFFSET 0x00000008 /**< Device interrupt enable */ +#define XTE_DIIR_OFFSET 0x00000018 /**< Device interrupt ID */ +#define XTE_DGIE_OFFSET 0x0000001C /**< Device global interrupt enable */ +#define XTE_IPISR_OFFSET 0x00000020 /**< IP interrupt status */ +#define XTE_IPIER_OFFSET 0x00000028 /**< IP interrupt enable */ +#define XTE_DSR_OFFSET 0x00000040 /**< Device software reset (write) */ + +/** IPIF transmit fifo + */ +#define XTE_PFIFO_TX_BASE_OFFSET 0x00002000 /**< Packet FIFO Tx channel */ +#define XTE_PFIFO_TX_VACANCY_OFFSET 0x00002004 /**< Packet Fifo Tx Vacancy */ +#define XTE_PFIFO_TX_DATA_OFFSET 0x00002100 /**< IPIF Tx packet fifo port */ + +/** IPIF receive fifo + */ +#define XTE_PFIFO_RX_BASE_OFFSET 0x00002010 /**< Packet FIFO Rx channel */ +#define XTE_PFIFO_RX_VACANCY_OFFSET 0x00002014 /**< Packet Fifo Rx Vacancy */ +#define XTE_PFIFO_RX_DATA_OFFSET 0x00002200 /**< IPIF Rx packet fifo port */ + +/** IPIF fifo masks + */ +#define XTE_PFIFO_COUNT_MASK 0x00FFFFFF + +/** IPIF transmit and recieve DMA offsets + */ +#define XTE_DMA_SEND_OFFSET 0x00002300 /**< DMA Tx channel */ +#define XTE_DMA_RECV_OFFSET 0x00002340 /**< DMA Rx channel */ + +/** IPIF IPIC_TO_TEMAC Core Registers + */ +#define XTE_CR_OFFSET 0x00001000 /**< Control */ +#define XTE_TPLR_OFFSET 0x00001004 /**< Tx packet length (FIFO) */ +#define XTE_TSR_OFFSET 0x00001008 /**< Tx status (FIFO) */ +#define XTE_RPLR_OFFSET 0x0000100C /**< Rx packet length (FIFO) */ +#define XTE_RSR_OFFSET 0x00001010 /**< Receive status */ +#define XTE_IFGP_OFFSET 0x00001014 /**< Interframe gap */ +#define XTE_TPPR_OFFSET 0x00001018 /**< Tx pause packet */ + +/** TEMAC Core Registers + * These are registers defined within the device's hard core located in the + * processor block. They are accessed with the host interface. These registers + * are addressed offset by XTE_HOST_IPIF_OFFSET or by the DCR base address + * if so configured. + */ +#define XTE_HOST_IPIF_OFFSET 0x00003000 /**< Offset of host registers when + memory mapped into IPIF */ +#define XTE_ERXC0_OFFSET (XTE_HOST_IPIF_OFFSET + 0x00000200) /**< Rx configuration word 0 */ +#define XTE_ERXC1_OFFSET (XTE_HOST_IPIF_OFFSET + 0x00000240) /**< Rx configuration word 1 */ +#define XTE_ETXC_OFFSET (XTE_HOST_IPIF_OFFSET + 0x00000280) /**< Tx configuration */ +#define XTE_EFCC_OFFSET (XTE_HOST_IPIF_OFFSET + 0x000002C0) /**< Flow control configuration */ +#define XTE_ECFG_OFFSET (XTE_HOST_IPIF_OFFSET + 0x00000300) /**< EMAC configuration */ +#define XTE_EGMIC_OFFSET (XTE_HOST_IPIF_OFFSET + 0x00000320) /**< RGMII/SGMII configuration */ +#define XTE_EMC_OFFSET (XTE_HOST_IPIF_OFFSET + 0x00000340) /**< Management configuration */ +#define XTE_EUAW0_OFFSET (XTE_HOST_IPIF_OFFSET + 0x00000380) /**< Unicast address word 0 */ +#define XTE_EUAW1_OFFSET (XTE_HOST_IPIF_OFFSET + 0x00000384) /**< Unicast address word 1 */ +#define XTE_EMAW0_OFFSET (XTE_HOST_IPIF_OFFSET + 0x00000388) /**< Multicast address word 0 */ +#define XTE_EMAW1_OFFSET (XTE_HOST_IPIF_OFFSET + 0x0000038C) /**< Multicast address word 1 */ +#define XTE_EAFM_OFFSET (XTE_HOST_IPIF_OFFSET + 0x00000390) /**< Promisciuous mode */ +#define XTE_EIRS_OFFSET (XTE_HOST_IPIF_OFFSET + 0x000003A0) /**< IRstatus */ +#define XTE_EIREN_OFFSET (XTE_HOST_IPIF_OFFSET + 0x000003A4) /**< IRenable */ +#define XTE_EMIID_OFFSET (XTE_HOST_IPIF_OFFSET + 0x000003B0) /**< MIIMwrData */ +#define XTE_EMIIC_OFFSET (XTE_HOST_IPIF_OFFSET + 0x000003B4) /**< MiiMcnt */ + +/* Register masks. The following constants define bit locations of various + * control bits in the registers. Constants are not defined for those registers + * that have a single bit field representing all 32 bits. For further + * information on the meaning of the various bit masks, refer to the HW spec. + */ + +/** Interrupt status bits for top level interrupts + * These bits are associated with the XTE_DISR_OFFSET, XTE_DIPR_OFFSET, + * and XTE_DIER_OFFSET registers. + */ +#define XTE_DXR_SEND_FIFO_MASK 0x00000040 /**< Send FIFO channel */ +#define XTE_DXR_RECV_FIFO_MASK 0x00000020 /**< Receive FIFO channel */ +#define XTE_DXR_RECV_DMA_MASK 0x00000010 /**< Receive DMA channel */ +#define XTE_DXR_SEND_DMA_MASK 0x00000008 /**< Send DMA channel */ +#define XTE_DXR_CORE_MASK 0x00000004 /**< Core */ +#define XTE_DXR_DPTO_MASK 0x00000002 /**< Data phase timeout */ +#define XTE_DXR_TERR_MASK 0x00000001 /**< Transaction error */ + +/** Interrupt status bits for MAC interrupts + * These bits are associated with XTE_IPISR_OFFSET and XTE_IPIER_OFFSET + * registers. + */ +#define XTE_IPXR_XMIT_DONE_MASK 0x00000001 /**< Tx complete */ +#define XTE_IPXR_RECV_DONE_MASK 0x00000002 /**< Rx complete */ +#define XTE_IPXR_AUTO_NEG_MASK 0x00000004 /**< Auto negotiation complete */ +#define XTE_IPXR_RECV_REJECT_MASK 0x00000008 /**< Rx packet rejected */ +#define XTE_IPXR_XMIT_SFIFO_EMPTY_MASK 0x00000010 /**< Tx status fifo empty */ +#define XTE_IPXR_RECV_LFIFO_EMPTY_MASK 0x00000020 /**< Rx length fifo empty */ +#define XTE_IPXR_XMIT_LFIFO_FULL_MASK 0x00000040 /**< Tx length fifo full */ +#define XTE_IPXR_RECV_LFIFO_OVER_MASK 0x00000080 /**< Rx length fifo overrun + Note that this signal is + no longer asserted by HW + */ +#define XTE_IPXR_RECV_LFIFO_UNDER_MASK 0x00000100 /**< Rx length fifo underrun */ +#define XTE_IPXR_XMIT_SFIFO_OVER_MASK 0x00000200 /**< Tx status fifo overrun */ +#define XTE_IPXR_XMIT_SFIFO_UNDER_MASK 0x00000400 /**< Tx status fifo underrun */ +#define XTE_IPXR_XMIT_LFIFO_OVER_MASK 0x00000800 /**< Tx length fifo overrun */ +#define XTE_IPXR_XMIT_LFIFO_UNDER_MASK 0x00001000 /**< Tx length fifo underrun */ +#define XTE_IPXR_RECV_PFIFO_ABORT_MASK 0x00002000 /**< Rx packet rejected due to + full packet FIFO */ +#define XTE_IPXR_RECV_LFIFO_ABORT_MASK 0x00004000 /**< Rx packet rejected due to + full length FIFO */ + +#define XTE_IPXR_RECV_DROPPED_MASK \ + (XTE_IPXR_RECV_REJECT_MASK | \ + XTE_IPXR_RECV_PFIFO_ABORT_MASK | \ + XTE_IPXR_RECV_LFIFO_ABORT_MASK) /**< IPXR bits that indicate a dropped + receive frame */ +#define XTE_IPXR_XMIT_ERROR_MASK \ + (XTE_IPXR_XMIT_SFIFO_OVER_MASK | \ + XTE_IPXR_XMIT_SFIFO_UNDER_MASK | \ + XTE_IPXR_XMIT_LFIFO_OVER_MASK | \ + XTE_IPXR_XMIT_LFIFO_UNDER_MASK) /**< IPXR bits that indicate transmit + errors */ + +#define XTE_IPXR_RECV_ERROR_MASK \ + (XTE_IPXR_RECV_DROPPED_MASK | \ + XTE_IPXR_RECV_LFIFO_UNDER_MASK) /**< IPXR bits that indicate receive + errors */ + +#define XTE_IPXR_FIFO_FATAL_ERROR_MASK \ + (XTE_IPXR_XMIT_SFIFO_OVER_MASK | \ + XTE_IPXR_XMIT_SFIFO_UNDER_MASK | \ + XTE_IPXR_XMIT_LFIFO_OVER_MASK | \ + XTE_IPXR_XMIT_LFIFO_UNDER_MASK | \ + XTE_IPXR_RECV_LFIFO_UNDER_MASK) /**< IPXR bits that indicate errors with + one of the length or status FIFOs + that is fatal in nature. These bits + can only be cleared by a device + reset */ + +/** Software reset register (DSR) + */ +#define XTE_DSR_RESET_MASK 0x0000000A /**< Write this value to DSR to + reset entire core */ + + +/** Global interrupt enable register (DGIE) + */ +#define XTE_DGIE_ENABLE_MASK 0x80000000 /**< Write this value to DGIE to + enable interrupts from this + device */ + +/** Control Register (CR) + */ +#define XTE_CR_HTRST_MASK 0x00000008 /**< Reset hard temac */ +#define XTE_CR_BCREJ_MASK 0x00000004 /**< Disable broadcast address + filtering */ +#define XTE_CR_MCREJ_MASK 0x00000002 /**< Disable multicast address + filtering */ +#define XTE_CR_HDUPLEX_MASK 0x00000001 /**< Enable half duplex operation */ + + +/** Transmit Packet Length Register (TPLR) + */ +#define XTE_TPLR_TXPL_MASK 0x00003FFF /**< Tx packet length in bytes */ + + +/** Transmit Status Register (TSR) + */ +#define XTE_TSR_TXED_MASK 0x80000000 /**< Excess deferral error */ +#define XTE_TSR_PFIFOU_MASK 0x40000000 /**< Packet FIFO underrun */ +#define XTE_TSR_TXA_MASK 0x3E000000 /**< Transmission attempts */ +#define XTE_TSR_TXLC_MASK 0x01000000 /**< Late collision error */ +#define XTE_TSR_TPCF_MASK 0x00000001 /**< Transmit packet complete + flag */ + +#define XTE_TSR_ERROR_MASK \ + (XTE_TSR_TXED_MASK | \ + XTE_TSR_PFIFOU_MASK | \ + XTE_TSR_TXLC_MASK) /**< TSR bits that indicate an + error */ + + +/** Receive Packet Length Register (RPLR) + */ +#define XTE_RPLR_RXPL_MASK 0x00003FFF /**< Rx packet length in bytes */ + + +/** Receive Status Register (RSR) + */ +#define XTE_RSR_RPCF_MASK 0x00000001 /**< Receive packet complete + flag */ + +/** Interframe Gap Register (IFG) + */ +#define XTE_IFG_IFGD_MASK 0x000000FF /**< IFG delay */ + + +/** Transmit Pause Packet Register (TPPR) + */ +#define XTE_TPPR_TPPD_MASK 0x0000FFFF /**< Tx pause packet data */ + + +/** Receiver Configuration Word 1 (ERXC1) + */ +#define XTE_ERXC1_RXRST_MASK 0x80000000 /**< Receiver reset */ +#define XTE_ERXC1_RXJMBO_MASK 0x40000000 /**< Jumbo frame enable */ +#define XTE_ERXC1_RXFCS_MASK 0x20000000 /**< FCS not stripped */ +#define XTE_ERXC1_RXEN_MASK 0x10000000 /**< Receiver enable */ +#define XTE_ERXC1_RXVLAN_MASK 0x08000000 /**< VLAN enable */ +#define XTE_ERXC1_RXHD_MASK 0x04000000 /**< Half duplex */ +#define XTE_ERXC1_RXLT_MASK 0x02000000 /**< Length/type check disable */ +#define XTE_ERXC1_ERXC1_MASK 0x0000FFFF /**< Pause frame source address + bits [47:32]. Bits [31:0] + are stored in register + ERXC0 */ + + +/** Transmitter Configuration (ETXC) + */ +#define XTE_ETXC_TXRST_MASK 0x80000000 /**< Transmitter reset */ +#define XTE_ETXC_TXJMBO_MASK 0x40000000 /**< Jumbo frame enable */ +#define XTE_ETXC_TXFCS_MASK 0x20000000 /**< Generate FCS */ +#define XTE_ETXC_TXEN_MASK 0x10000000 /**< Transmitter enable */ +#define XTE_ETXC_TXVLAN_MASK 0x08000000 /**< VLAN enable */ +#define XTE_ETXC_TXHD_MASK 0x04000000 /**< Half duplex */ +#define XTE_ETXC_TXIFG_MASK 0x02000000 /**< IFG adjust enable */ + + +/** Flow Control Configuration (EFCC) + */ +#define XTE_EFCC_TXFLO_MASK 0x40000000 /**< Tx flow control enable */ +#define XTE_EFCC_RXFLO_MASK 0x20000000 /**< Rx flow control enable */ + + +/** EMAC Configuration (ECFG) + */ +#define XTE_ECFG_LINKSPD_MASK 0xC0000000 /**< Link speed */ +#define XTE_ECFG_RGMII_MASK 0x20000000 /**< RGMII mode enable */ +#define XTE_ECFG_SGMII_MASK 0x10000000 /**< SGMII mode enable */ +#define XTE_ECFG_1000BASEX_MASK 0x08000000 /**< 1000BaseX mode enable */ +#define XTE_ECFG_HOSTEN_MASK 0x04000000 /**< Host interface enable */ +#define XTE_ECFG_TX16BIT 0x02000000 /**< 16 bit Tx client enable */ +#define XTE_ECFG_RX16BIT 0x01000000 /**< 16 bit Rx client enable */ + +#define XTE_ECFG_LINKSPD_10 0x00000000 /**< XTE_ECFG_LINKSPD_MASK for + 10 Mbit */ +#define XTE_ECFG_LINKSPD_100 0x40000000 /**< XTE_ECFG_LINKSPD_MASK for + 100 Mbit */ +#define XTE_ECFG_LINKSPD_1000 0x80000000 /**< XTE_ECFG_LINKSPD_MASK for + 1000 Mbit */ + +/** EMAC RGMII/SGMII Configuration (EGMIC) + */ +#define XTE_EGMIC_RGLINKSPD_MASK 0xC0000000 /**< RGMII link speed */ +#define XTE_EGMIC_SGLINKSPD_MASK 0x0000000C /**< SGMII link speed */ +#define XTE_EGMIC_RGSTATUS_MASK 0x00000002 /**< RGMII link status */ +#define XTE_EGMIC_RGHALFDUPLEX_MASK 0x00000001 /**< RGMII half duplex */ + +#define XTE_EGMIC_RGLINKSPD_10 0x00000000 /**< XTE_EGMIC_RGLINKSPD_MASK + for 10 Mbit */ +#define XTE_EGMIC_RGLINKSPD_100 0x40000000 /**< XTE_EGMIC_RGLINKSPD_MASK + for 100 Mbit */ +#define XTE_EGMIC_RGLINKSPD_1000 0x80000000 /**< XTE_EGMIC_RGLINKSPD_MASK + for 1000 Mbit */ +#define XTE_EGMIC_SGLINKSPD_10 0x00000000 /**< XTE_SGMIC_RGLINKSPD_MASK + for 10 Mbit */ +#define XTE_EGMIC_SGLINKSPD_100 0x00000004 /**< XTE_SGMIC_RGLINKSPD_MASK + for 100 Mbit */ +#define XTE_EGMIC_SGLINKSPD_1000 0x00000008 /**< XTE_SGMIC_RGLINKSPD_MASK + for 1000 Mbit */ + +/** EMAC Management Configuration (EMC) + */ +#define XTE_EMC_MDIO_MASK 0x00000040 /**< MII management enable */ +#define XTE_EMC_CLK_DVD_MAX 0x3F /**< Maximum MDIO divisor */ + + +/** EMAC Unicast Address Register Word 1 (EUAW1) + */ +#define XTE_EUAW1_MASK 0x0000FFFF /**< Station address bits [47:32] + Station address bits [31:0] + are stored in register + EUAW0 */ + + +/** EMAC Multicast Address Register Word 1 (EMAW1) + */ +#define XTE_EMAW1_CAMRNW_MASK 0x00800000 /**< CAM read/write control */ +#define XTE_EMAW1_CAMADDR_MASK 0x00030000 /**< CAM address mask */ +#define XTE_EUAW1_MASK 0x0000FFFF /**< Multicast address bits [47:32] + Multicast address bits [31:0] + are stored in register + EMAW0 */ +#define XTE_EMAW1_CAMMADDR_SHIFT_MASK 16 /**< Number of bits to shift right + to align with + XTE_EMAW1_CAMADDR_MASK */ + + +/** EMAC Address Filter Mode (EAFM) + */ +#define XTE_EAFM_EPPRM_MASK 0x80000000 /**< Promiscuous mode enable */ + + +/** EMAC MII Management Write Data (EMIID) + */ +#define XTE_EMIID_MIIMWRDATA_MASK 0x0000FFFF /**< Data port */ + + +/** EMAC MII Management Control (EMIIC) + */ +#define XTE_EMIID_MIIMDECADDR_MASK 0x0000FFFF /**< Address port */ + + +struct XilTemacStats +{ + volatile uint32_t iInterrupts; + + volatile uint32_t iRxInterrupts; + volatile uint32_t iRxRejectedInterrupts; + volatile uint32_t iRxRejectedInvalidFrame; + volatile uint32_t iRxRejectedDataFifoFull; + volatile uint32_t iRxRejectedLengthFifoFull; + volatile uint32_t iRxMaxDrained; + volatile uint32_t iRxStrayEvents; + + volatile uint32_t iTxInterrupts; + volatile uint32_t iTxMaxDrained; +}; + +#define MAX_UNIT_BYTES 50 + +struct XilTemac +{ + struct arpcom iArpcom; + struct XilTemacStats iStats; + struct ifnet* iIfp; + + char iUnitName[MAX_UNIT_BYTES]; + + uint32_t iAddr; + rtems_event_set iIoEvent; + + int iIsrVector; + +#if PPC_HAS_CLASSIC_EXCEPTIONS + rtems_isr_entry iOldHandler; +#else + rtems_irq_connect_data iOldHandler; +#endif + int iIsPresent; +}; + + +#endif /* _XILINX_EMAC_*/ |