305 lines
18 KiB
C
305 lines
18 KiB
C
/*
|
|
* Copyright (c) 2006-2021, RT-Thread Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
*/
|
|
|
|
#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
|