#ifndef __LPC17XX_EMAC_H #define __LPC17XX_EMAC_H #include "LPC17xx.h" /* EMAC Memory Buffer configuration for 16K Ethernet RAM. */ #define NUM_RX_FRAG 4 /* Num.of RX Fragments 4*1536= 6.0kB */ #define NUM_TX_FRAG 3 /* Num.of TX Fragments 3*1536= 4.6kB */ #define ETH_FRAG_SIZE 1536 /* Packet Fragment size 1536 Bytes */ #define ETH_MAX_FLEN 1536 /* Max. Ethernet Frame Size */ /* EMAC variables located in 16K Ethernet SRAM */ #define RX_DESC_BASE 0x20080000 #define RX_STAT_BASE (RX_DESC_BASE + NUM_RX_FRAG*8) #define TX_DESC_BASE (RX_STAT_BASE + NUM_RX_FRAG*8) #define TX_STAT_BASE (TX_DESC_BASE + NUM_TX_FRAG*8) #define RX_BUF_BASE (TX_STAT_BASE + NUM_TX_FRAG*4) #define TX_BUF_BASE (RX_BUF_BASE + NUM_RX_FRAG*ETH_FRAG_SIZE) /* RX and TX descriptor and status definitions. */ #define RX_DESC_PACKET(i) (*(unsigned int *)(RX_DESC_BASE + 8*i)) #define RX_DESC_CTRL(i) (*(unsigned int *)(RX_DESC_BASE+4 + 8*i)) #define RX_STAT_INFO(i) (*(unsigned int *)(RX_STAT_BASE + 8*i)) #define RX_STAT_HASHCRC(i) (*(unsigned int *)(RX_STAT_BASE+4 + 8*i)) #define TX_DESC_PACKET(i) (*(unsigned int *)(TX_DESC_BASE + 8*i)) #define TX_DESC_CTRL(i) (*(unsigned int *)(TX_DESC_BASE+4 + 8*i)) #define TX_STAT_INFO(i) (*(unsigned int *)(TX_STAT_BASE + 4*i)) #define RX_BUF(i) (RX_BUF_BASE + ETH_FRAG_SIZE*i) #define TX_BUF(i) (TX_BUF_BASE + ETH_FRAG_SIZE*i) /* MAC Configuration Register 1 */ #define MAC1_REC_EN 0x00000001 /* Receive Enable */ #define MAC1_PASS_ALL 0x00000002 /* Pass All Receive Frames */ #define MAC1_RX_FLOWC 0x00000004 /* RX Flow Control */ #define MAC1_TX_FLOWC 0x00000008 /* TX Flow Control */ #define MAC1_LOOPB 0x00000010 /* Loop Back Mode */ #define MAC1_RES_TX 0x00000100 /* Reset TX Logic */ #define MAC1_RES_MCS_TX 0x00000200 /* Reset MAC TX Control Sublayer */ #define MAC1_RES_RX 0x00000400 /* Reset RX Logic */ #define MAC1_RES_MCS_RX 0x00000800 /* Reset MAC RX Control Sublayer */ #define MAC1_SIM_RES 0x00004000 /* Simulation Reset */ #define MAC1_SOFT_RES 0x00008000 /* Soft Reset MAC */ /* MAC Configuration Register 2 */ #define MAC2_FULL_DUP 0x00000001 /* Full Duplex Mode */ #define MAC2_FRM_LEN_CHK 0x00000002 /* Frame Length Checking */ #define MAC2_HUGE_FRM_EN 0x00000004 /* Huge Frame Enable */ #define MAC2_DLY_CRC 0x00000008 /* Delayed CRC Mode */ #define MAC2_CRC_EN 0x00000010 /* Append CRC to every Frame */ #define MAC2_PAD_EN 0x00000020 /* Pad all Short Frames */ #define MAC2_VLAN_PAD_EN 0x00000040 /* VLAN Pad Enable */ #define MAC2_ADET_PAD_EN 0x00000080 /* Auto Detect Pad Enable */ #define MAC2_PPREAM_ENF 0x00000100 /* Pure Preamble Enforcement */ #define MAC2_LPREAM_ENF 0x00000200 /* Long Preamble Enforcement */ #define MAC2_NO_BACKOFF 0x00001000 /* No Backoff Algorithm */ #define MAC2_BACK_PRESSURE 0x00002000 /* Backoff Presurre / No Backoff */ #define MAC2_EXCESS_DEF 0x00004000 /* Excess Defer */ /* Back-to-Back Inter-Packet-Gap Register */ #define IPGT_FULL_DUP 0x00000015 /* Recommended value for Full Duplex */ #define IPGT_HALF_DUP 0x00000012 /* Recommended value for Half Duplex */ /* Non Back-to-Back Inter-Packet-Gap Register */ #define IPGR_DEF 0x00000012 /* Recommended value */ /* Collision Window/Retry Register */ #define CLRT_DEF 0x0000370F /* Default value */ /* PHY Support Register */ #define SUPP_SPEED 0x00000100 /* Reduced MII Logic Current Speed */ #define SUPP_RES_RMII 0x00000800 /* Reset Reduced MII Logic */ /* Test Register */ #define TEST_SHCUT_PQUANTA 0x00000001 /* Shortcut Pause Quanta */ #define TEST_TST_PAUSE 0x00000002 /* Test Pause */ #define TEST_TST_BACKP 0x00000004 /* Test Back Pressure */ /* MII Management Configuration Register */ #define MCFG_SCAN_INC 0x00000001 /* Scan Increment PHY Address */ #define MCFG_SUPP_PREAM 0x00000002 /* Suppress Preamble */ #define MCFG_CLK_SEL 0x0000001C /* Clock Select Mask */ #define MCFG_RES_MII 0x00008000 /* Reset MII Management Hardware */ #define MCFG_CLK_DIV4 0x00000000 /* MDC = hclk / 4 */ #define MCFG_CLK_DIV6 0x00000008 /* MDC = hclk / 6 */ #define MCFG_CLK_DIV8 0x0000000C /* MDC = hclk / 8 */ #define MCFG_CLK_DIV10 0x00000010 /* MDC = hclk / 10 */ #define MCFG_CLK_DIV14 0x00000014 /* MDC = hclk / 14 */ #define MCFG_CLK_DIV20 0x00000018 /* MDC = hclk / 20 */ #define MCFG_CLK_DIV28 0x0000001C /* MDC = hclk / 28 */ /* MII Management Command Register */ #define MCMD_READ 0x00000001 /* MII Read */ #define MCMD_SCAN 0x00000002 /* MII Scan continuously */ #define MII_WR_TOUT 0x00050000 /* MII Write timeout count */ #define MII_RD_TOUT 0x00050000 /* MII Read timeout count */ /* MII Management Address Register */ #define MADR_REG_ADR 0x0000001F /* MII Register Address Mask */ #define MADR_PHY_ADR 0x00001F00 /* PHY Address Mask */ /* MII Management Indicators Register */ #define MIND_BUSY 0x00000001 /* MII is Busy */ #define MIND_SCAN 0x00000002 /* MII Scanning in Progress */ #define MIND_NOT_VAL 0x00000004 /* MII Read Data not valid */ #define MIND_MII_LINK_FAIL 0x00000008 /* MII Link Failed */ /* Command Register */ #define CR_RX_EN 0x00000001 /* Enable Receive */ #define CR_TX_EN 0x00000002 /* Enable Transmit */ #define CR_REG_RES 0x00000008 /* Reset Host Registers */ #define CR_TX_RES 0x00000010 /* Reset Transmit Datapath */ #define CR_RX_RES 0x00000020 /* Reset Receive Datapath */ #define CR_PASS_RUNT_FRM 0x00000040 /* Pass Runt Frames */ #define CR_PASS_RX_FILT 0x00000080 /* Pass RX Filter */ #define CR_TX_FLOW_CTRL 0x00000100 /* TX Flow Control */ #define CR_RMII 0x00000200 /* Reduced MII Interface */ #define CR_FULL_DUP 0x00000400 /* Full Duplex */ /* Status Register */ #define SR_RX_EN 0x00000001 /* Enable Receive */ #define SR_TX_EN 0x00000002 /* Enable Transmit */ /* Transmit Status Vector 0 Register */ #define TSV0_CRC_ERR 0x00000001 /* CRC error */ #define TSV0_LEN_CHKERR 0x00000002 /* Length Check Error */ #define TSV0_LEN_OUTRNG 0x00000004 /* Length Out of Range */ #define TSV0_DONE 0x00000008 /* Tramsmission Completed */ #define TSV0_MCAST 0x00000010 /* Multicast Destination */ #define TSV0_BCAST 0x00000020 /* Broadcast Destination */ #define TSV0_PKT_DEFER 0x00000040 /* Packet Deferred */ #define TSV0_EXC_DEFER 0x00000080 /* Excessive Packet Deferral */ #define TSV0_EXC_COLL 0x00000100 /* Excessive Collision */ #define TSV0_LATE_COLL 0x00000200 /* Late Collision Occured */ #define TSV0_GIANT 0x00000400 /* Giant Frame */ #define TSV0_UNDERRUN 0x00000800 /* Buffer Underrun */ #define TSV0_BYTES 0x0FFFF000 /* Total Bytes Transferred */ #define TSV0_CTRL_FRAME 0x10000000 /* Control Frame */ #define TSV0_PAUSE 0x20000000 /* Pause Frame */ #define TSV0_BACK_PRESS 0x40000000 /* Backpressure Method Applied */ #define TSV0_VLAN 0x80000000 /* VLAN Frame */ /* Transmit Status Vector 1 Register */ #define TSV1_BYTE_CNT 0x0000FFFF /* Transmit Byte Count */ #define TSV1_COLL_CNT 0x000F0000 /* Transmit Collision Count */ /* Receive Status Vector Register */ #define RSV_BYTE_CNT 0x0000FFFF /* Receive Byte Count */ #define RSV_PKT_IGNORED 0x00010000 /* Packet Previously Ignored */ #define RSV_RXDV_SEEN 0x00020000 /* RXDV Event Previously Seen */ #define RSV_CARR_SEEN 0x00040000 /* Carrier Event Previously Seen */ #define RSV_REC_CODEV 0x00080000 /* Receive Code Violation */ #define RSV_CRC_ERR 0x00100000 /* CRC Error */ #define RSV_LEN_CHKERR 0x00200000 /* Length Check Error */ #define RSV_LEN_OUTRNG 0x00400000 /* Length Out of Range */ #define RSV_REC_OK 0x00800000 /* Frame Received OK */ #define RSV_MCAST 0x01000000 /* Multicast Frame */ #define RSV_BCAST 0x02000000 /* Broadcast Frame */ #define RSV_DRIB_NIBB 0x04000000 /* Dribble Nibble */ #define RSV_CTRL_FRAME 0x08000000 /* Control Frame */ #define RSV_PAUSE 0x10000000 /* Pause Frame */ #define RSV_UNSUPP_OPC 0x20000000 /* Unsupported Opcode */ #define RSV_VLAN 0x40000000 /* VLAN Frame */ /* Flow Control Counter Register */ #define FCC_MIRR_CNT 0x0000FFFF /* Mirror Counter */ #define FCC_PAUSE_TIM 0xFFFF0000 /* Pause Timer */ /* Flow Control Status Register */ #define FCS_MIRR_CNT 0x0000FFFF /* Mirror Counter Current */ /* Receive Filter Control Register */ #define RFC_UCAST_EN 0x00000001 /* Accept Unicast Frames Enable */ #define RFC_BCAST_EN 0x00000002 /* Accept Broadcast Frames Enable */ #define RFC_MCAST_EN 0x00000004 /* Accept Multicast Frames Enable */ #define RFC_UCAST_HASH_EN 0x00000008 /* Accept Unicast Hash Filter Frames */ #define RFC_MCAST_HASH_EN 0x00000010 /* Accept Multicast Hash Filter Fram.*/ #define RFC_PERFECT_EN 0x00000020 /* Accept Perfect Match Enable */ #define RFC_MAGP_WOL_EN 0x00001000 /* Magic Packet Filter WoL Enable */ #define RFC_PFILT_WOL_EN 0x00002000 /* Perfect Filter WoL Enable */ /* Receive Filter WoL Status/Clear Registers */ #define WOL_UCAST 0x00000001 /* Unicast Frame caused WoL */ #define WOL_BCAST 0x00000002 /* Broadcast Frame caused WoL */ #define WOL_MCAST 0x00000004 /* Multicast Frame caused WoL */ #define WOL_UCAST_HASH 0x00000008 /* Unicast Hash Filter Frame WoL */ #define WOL_MCAST_HASH 0x00000010 /* Multicast Hash Filter Frame WoL */ #define WOL_PERFECT 0x00000020 /* Perfect Filter WoL */ #define WOL_RX_FILTER 0x00000080 /* RX Filter caused WoL */ #define WOL_MAG_PACKET 0x00000100 /* Magic Packet Filter caused WoL */ /* Interrupt Status/Enable/Clear/Set Registers */ #define INT_RX_OVERRUN 0x00000001 /* Overrun Error in RX Queue */ #define INT_RX_ERR 0x00000002 /* Receive Error */ #define INT_RX_FIN 0x00000004 /* RX Finished Process Descriptors */ #define INT_RX_DONE 0x00000008 /* Receive Done */ #define INT_TX_UNDERRUN 0x00000010 /* Transmit Underrun */ #define INT_TX_ERR 0x00000020 /* Transmit Error */ #define INT_TX_FIN 0x00000040 /* TX Finished Process Descriptors */ #define INT_TX_DONE 0x00000080 /* Transmit Done */ #define INT_SOFT_INT 0x00001000 /* Software Triggered Interrupt */ #define INT_WAKEUP 0x00002000 /* Wakeup Event Interrupt */ /* Power Down Register */ #define PD_POWER_DOWN 0x80000000 /* Power Down MAC */ /* RX Descriptor Control Word */ #define RCTRL_SIZE 0x000007FF /* Buffer size mask */ #define RCTRL_INT 0x80000000 /* Generate RxDone Interrupt */ /* RX Status Hash CRC Word */ #define RHASH_SA 0x000001FF /* Hash CRC for Source Address */ #define RHASH_DA 0x001FF000 /* Hash CRC for Destination Address */ /* RX Status Information Word */ #define RINFO_SIZE 0x000007FF /* Data size in bytes */ #define RINFO_CTRL_FRAME 0x00040000 /* Control Frame */ #define RINFO_VLAN 0x00080000 /* VLAN Frame */ #define RINFO_FAIL_FILT 0x00100000 /* RX Filter Failed */ #define RINFO_MCAST 0x00200000 /* Multicast Frame */ #define RINFO_BCAST 0x00400000 /* Broadcast Frame */ #define RINFO_CRC_ERR 0x00800000 /* CRC Error in Frame */ #define RINFO_SYM_ERR 0x01000000 /* Symbol Error from PHY */ #define RINFO_LEN_ERR 0x02000000 /* Length Error */ #define RINFO_RANGE_ERR 0x04000000 /* Range Error (exceeded max. size) */ #define RINFO_ALIGN_ERR 0x08000000 /* Alignment Error */ #define RINFO_OVERRUN 0x10000000 /* Receive overrun */ #define RINFO_NO_DESCR 0x20000000 /* No new Descriptor available */ #define RINFO_LAST_FLAG 0x40000000 /* Last Fragment in Frame */ #define RINFO_ERR 0x80000000 /* Error Occured (OR of all errors) */ #define RINFO_ERR_MASK (RINFO_FAIL_FILT | RINFO_CRC_ERR | RINFO_SYM_ERR | \ RINFO_LEN_ERR | RINFO_ALIGN_ERR | RINFO_OVERRUN) /* TX Descriptor Control Word */ #define TCTRL_SIZE 0x000007FF /* Size of data buffer in bytes */ #define TCTRL_OVERRIDE 0x04000000 /* Override Default MAC Registers */ #define TCTRL_HUGE 0x08000000 /* Enable Huge Frame */ #define TCTRL_PAD 0x10000000 /* Pad short Frames to 64 bytes */ #define TCTRL_CRC 0x20000000 /* Append a hardware CRC to Frame */ #define TCTRL_LAST 0x40000000 /* Last Descriptor for TX Frame */ #define TCTRL_INT 0x80000000 /* Generate TxDone Interrupt */ /* TX Status Information Word */ #define TINFO_COL_CNT 0x01E00000 /* Collision Count */ #define TINFO_DEFER 0x02000000 /* Packet Deferred (not an error) */ #define TINFO_EXCESS_DEF 0x04000000 /* Excessive Deferral */ #define TINFO_EXCESS_COL 0x08000000 /* Excessive Collision */ #define TINFO_LATE_COL 0x10000000 /* Late Collision Occured */ #define TINFO_UNDERRUN 0x20000000 /* Transmit Underrun */ #define TINFO_NO_DESCR 0x40000000 /* No new Descriptor available */ #define TINFO_ERR 0x80000000 /* Error Occured (OR of all errors) */ /* ENET Device Revision ID */ #define OLD_EMAC_MODULE_ID 0x39022000 /* Rev. ID for first rev '-' */ /* DP83848C PHY Registers */ #define PHY_REG_BMCR 0x00 /* Basic Mode Control Register */ #define PHY_REG_BMSR 0x01 /* Basic Mode Status Register */ #define PHY_REG_IDR1 0x02 /* PHY Identifier 1 */ #define PHY_REG_IDR2 0x03 /* PHY Identifier 2 */ #define PHY_REG_ANAR 0x04 /* Auto-Negotiation Advertisement */ #define PHY_REG_ANLPAR 0x05 /* Auto-Neg. Link Partner Abitily */ #define PHY_REG_ANER 0x06 /* Auto-Neg. Expansion Register */ #define PHY_REG_ANNPTR 0x07 /* Auto-Neg. Next Page TX */ /* PHY Extended Registers */ #define PHY_REG_STS 0x10 /* Status Register */ #define PHY_REG_MICR 0x11 /* MII Interrupt Control Register */ #define PHY_REG_MISR 0x12 /* MII Interrupt Status Register */ #define PHY_REG_FCSCR 0x14 /* False Carrier Sense Counter */ #define PHY_REG_RECR 0x15 /* Receive Error Counter */ #define PHY_REG_PCSR 0x16 /* PCS Sublayer Config. and Status */ #define PHY_REG_RBR 0x17 /* RMII and Bypass Register */ #define PHY_REG_LEDCR 0x18 /* LED Direct Control Register */ #define PHY_REG_PHYCR 0x19 /* PHY Control Register */ #define PHY_REG_10BTSCR 0x1A /* 10Base-T Status/Control Register */ #define PHY_REG_CDCTRL1 0x1B /* CD Test Control and BIST Extens. */ #define PHY_REG_EDCR 0x1D /* Energy Detect Control Register */ #define PHY_FULLD_100M 0x2100 /* Full Duplex 100Mbit */ #define PHY_HALFD_100M 0x2000 /* Half Duplex 100Mbit */ #define PHY_FULLD_10M 0x0100 /* Full Duplex 10Mbit */ #define PHY_HALFD_10M 0x0000 /* Half Duplex 10MBit */ #define PHY_AUTO_NEG 0x3000 /* Select Auto Negotiation */ #define DP83848C_DEF_ADR 0x0100 /* Default PHY device address */ #define DP83848C_ID 0x20005C90 /* PHY Identifier */ int lpc17xx_emac_hw_init(void); #endif