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Diffstat (limited to 'include/440gx_enet.h')
| -rw-r--r-- | include/440gx_enet.h | 440 |
1 files changed, 440 insertions, 0 deletions
diff --git a/include/440gx_enet.h b/include/440gx_enet.h new file mode 100644 index 0000000..8caf969 --- /dev/null +++ b/include/440gx_enet.h @@ -0,0 +1,440 @@ +/*----------------------------------------------------------------------------+ +| +| This source code has been made available to you by IBM on an AS-IS +| basis. Anyone receiving this source is licensed under IBM +| copyrights to use it in any way he or she deems fit, including +| copying it, modifying it, compiling it, and redistributing it either +| with or without modifications. No license under IBM patents or +| patent applications is to be implied by the copyright license. +| +| Any user of this software should understand that IBM cannot provide +| technical support for this software and will not be responsible for +| any consequences resulting from the use of this software. +| +| Any person who transfers this source code or any derivative work +| must include the IBM copyright notice, this paragraph, and the +| preceding two paragraphs in the transferred software. +| +| COPYRIGHT I B M CORPORATION 1999 +| LICENSED MATERIAL - PROGRAM PROPERTY OF I B M ++----------------------------------------------------------------------------*/ +/*----------------------------------------------------------------------------+ +| +| File Name: enetemac.h +| +| Function: Header file for the EMAC3 macro on the 405GP. +| +| Author: Mark Wisner +| +| Change Activity- +| +| Date Description of Change BY +| --------- --------------------- --- +| 29-Apr-99 Created MKW +| ++----------------------------------------------------------------------------*/ +/*----------------------------------------------------------------------------+ +| 19-Nov-03 Travis Sawyer, Sandburst Corporation, tsawyer@sandburst.com +| ported to handle 440GP and 440GX multiple EMACs ++----------------------------------------------------------------------------*/ + +#ifndef _emacgx_enet_h_ +#define _emacgx_enet_h_ + +#if defined(CONFIG_440) +#include <net.h> +#include "405_mal.h" + + +/*-----------------------------------------------------------------------------+ +| General enternet defines. 802 frames are not supported. ++-----------------------------------------------------------------------------*/ +#define ENET_ADDR_LENGTH 6 +#define ENET_ARPTYPE 0x806 +#define ARP_REQUEST 1 +#define ARP_REPLY 2 +#define ENET_IPTYPE 0x800 +#define ARP_CACHE_SIZE 5 + +#define NUM_TX_BUFF 1 +#define NUM_RX_BUFF PKTBUFSRX + +struct enet_frame { + unsigned char dest_addr[ENET_ADDR_LENGTH]; + unsigned char source_addr[ENET_ADDR_LENGTH]; + unsigned short type; + unsigned char enet_data[1]; +}; + +struct arp_entry { + unsigned long inet_address; + unsigned char mac_address[ENET_ADDR_LENGTH]; + unsigned long valid; + unsigned long sec; + unsigned long nsec; +}; + + +/* Statistic Areas */ +#define MAX_ERR_LOG 10 + +typedef struct emac_stats_st{ /* Statistic Block */ + int data_len_err; + int rx_frames; + int rx; + int rx_prot_err; + int int_err; + int pkts_tx; + int pkts_rx; + int pkts_handled; + short tx_err_log[MAX_ERR_LOG]; + short rx_err_log[MAX_ERR_LOG]; +} EMAC_STATS_ST, *EMAC_STATS_PST; + +/* Structure containing variables used by the shared code (440gx_enet.c) */ +typedef struct emac_440gx_hw_st { + uint32_t hw_addr; /* EMAC offset */ + uint32_t tah_addr; /* TAH offset */ + uint32_t phy_id; + uint32_t phy_addr; + uint32_t original_fc; + uint32_t txcw; + uint32_t autoneg_failed; + uint32_t emac_ier; + volatile mal_desc_t *tx; + volatile mal_desc_t *rx; + bd_t *bis; /* for eth_init upon mal error */ + mal_desc_t *alloc_tx_buf; + mal_desc_t *alloc_rx_buf; + char *txbuf_ptr; + uint16_t devnum; + int get_link_status; + int tbi_compatibility_en; + int tbi_compatibility_on; + int fc_send_xon; + int report_tx_early; + int first_init; + int tx_err_index; + int rx_err_index; + int rx_slot; /* MAL Receive Slot */ + int rx_i_index; /* Receive Interrupt Queue Index */ + int rx_u_index; /* Receive User Queue Index */ + int tx_slot; /* MAL Transmit Slot */ + int tx_i_index; /* Transmit Interrupt Queue Index */ + int tx_u_index; /* Transmit User Queue Index */ + int rx_ready[NUM_RX_BUFF]; /* Receive Ready Queue */ + int tx_run[NUM_TX_BUFF]; /* Transmit Running Queue */ + int is_receiving; /* sync with eth interrupt */ + int print_speed; /* print speed message upon start */ + EMAC_STATS_ST stats; +} EMAC_440GX_HW_ST, *EMAC_440GX_HW_PST; + + +#if defined(CONFIG_440_GX) +#define EMAC_NUM_DEV 4 +#elif defined(CONFIG_440) && !defined(CONFIG_440_GX) +#define EMAC_NUM_DEV 2 +#else +#warning Bad configuration +#endif + + +/*ZMII Bridge Register addresses */ +#define ZMII_BASE (CFG_PERIPHERAL_BASE + 0x0780) +#define ZMII_FER (ZMII_BASE) +#define ZMII_SSR (ZMII_BASE + 4) +#define ZMII_SMIISR (ZMII_BASE + 8) + +#define ZMII_RMII 0x22000000 +#define ZMII_MDI0 0x80000000 + +/* ZMII FER Register Bit Definitions */ +#define ZMII_FER_MDI (0x8) +#define ZMII_FER_SMII (0x4) +#define ZMII_FER_RMII (0x2) +#define ZMII_FER_MII (0x1) + +#define ZMII_FER_RSVD11 (0x00200000) +#define ZMII_FER_RSVD10 (0x00100000) +#define ZMII_FER_RSVD14_31 (0x0003FFFF) + +#define ZMII_FER_V(__x) (((3 - __x) * 4) + 16) + + +/* ZMII Speed Selection Register Bit Definitions */ +#define ZMII_SSR_SCI (0x4) +#define ZMII_SSR_FSS (0x2) +#define ZMII_SSR_SP (0x1) +#define ZMII_SSR_RSVD16_31 (0x0000FFFF) + +#define ZMII_SSR_V(__x) (((3 - __x) * 4) + 16) + + +/* ZMII SMII Status Register Bit Definitions */ +#define ZMII_SMIISR_E1 (0x80) +#define ZMII_SMIISR_EC (0x40) +#define ZMII_SMIISR_EN (0x20) +#define ZMII_SMIISR_EJ (0x10) +#define ZMII_SMIISR_EL (0x08) +#define ZMII_SMIISR_ED (0x04) +#define ZMII_SMIISR_ES (0x02) +#define ZMII_SMIISR_EF (0x01) + +#define ZMII_SMIISR_V(__x) ((3 - __x) * 8) + +/* RGMII Register Addresses */ +#define RGMII_BASE (CFG_PERIPHERAL_BASE + 0x0790) +#define RGMII_FER (RGMII_BASE + 0x00) +#define RGMII_SSR (RGMII_BASE + 0x04) + +/* RGMII Function Enable (FER) Register Bit Definitions */ +/* Note: for EMAC 2 and 3 only, 440GX only */ +#define RGMII_FER_DIS (0x00) +#define RGMII_FER_RTBI (0x04) +#define RGMII_FER_RGMII (0x05) +#define RGMII_FER_TBI (0x06) +#define RGMII_FER_GMII (0x07) + +#define RGMII_FER_V(__x) ((__x - 2) * 4) + +/* RGMII Speed Selection Register Bit Definitions */ +#define RGMII_SSR_SP_10MBPS (0x00) +#define RGMII_SSR_SP_100MBPS (0x02) +#define RGMII_SSR_SP_1000MBPS (0x04) + +#define RGMII_SSR_V(__x) ((__x -2) * 8) + + +/*---------------------------------------------------------------------------+ +| TCP/IP Acceleration Hardware (TAH) 440GX Only ++---------------------------------------------------------------------------*/ +#if defined(CONFIG_440_GX) +#define TAH_BASE (CFG_PERIPHERAL_BASE + 0x0B50) +#define TAH_REVID (TAH_BASE + 0x0) /* Revision ID (RO)*/ +#define TAH_MR (TAH_BASE + 0x10) /* Mode Register (R/W) */ +#define TAH_SSR0 (TAH_BASE + 0x14) /* Segment Size Reg 0 (R/W) */ +#define TAH_SSR1 (TAH_BASE + 0x18) /* Segment Size Reg 1 (R/W) */ +#define TAH_SSR2 (TAH_BASE + 0x1C) /* Segment Size Reg 2 (R/W) */ +#define TAH_SSR3 (TAH_BASE + 0x20) /* Segment Size Reg 3 (R/W) */ +#define TAH_SSR4 (TAH_BASE + 0x24) /* Segment Size Reg 4 (R/W) */ +#define TAH_SSR5 (TAH_BASE + 0x28) /* Segment Size Reg 5 (R/W) */ +#define TAH_TSR (TAH_BASE + 0x2C) /* Transmit Status Register (RO) */ + + +/* TAH Revision */ +#define TAH_REV_RN_M (0x000FFF00) /* Revision Number */ +#define TAH_REV_BN_M (0x000000FF) /* Branch Revision Number */ + +#define TAH_REV_RN_V (8) +#define TAH_REV_BN_V (0) + +/* TAH Mode Register */ +#define TAH_MR_CVR (0x80000000) /* Checksum verification on RX */ +#define TAH_MR_SR (0x40000000) /* Software reset */ +#define TAH_MR_ST (0x3F000000) /* Send Threshold */ +#define TAH_MR_TFS (0x00E00000) /* Transmit FIFO size */ +#define TAH_MR_DTFP (0x00100000) /* Disable TX FIFO parity */ +#define TAH_MR_DIG (0x00080000) /* Disable interrupt generation */ +#define TAH_MR_RSVD (0x0007FFFF) /* Reserved */ + +#define TAH_MR_ST_V (20) +#define TAH_MR_TFS_V (17) + +#define TAH_MR_TFS_2K (0x1) /* Transmit FIFO size 2Kbyte */ +#define TAH_MR_TFS_4K (0x2) /* Transmit FIFO size 4Kbyte */ +#define TAH_MR_TFS_6K (0x3) /* Transmit FIFO size 6Kbyte */ +#define TAH_MR_TFS_8K (0x4) /* Transmit FIFO size 8Kbyte */ +#define TAH_MR_TFS_10K (0x5) /* Transmit FIFO size 10Kbyte (max)*/ + + +/* TAH Segment Size Registers 0:5 */ +#define TAH_SSR_RSVD0 (0xC0000000) /* Reserved */ +#define TAH_SSR_SS (0x3FFE0000) /* Segment size in multiples of 2 */ +#define TAH_SSR_RSVD1 (0x0001FFFF) /* Reserved */ + +/* TAH Transmit Status Register */ +#define TAH_TSR_TFTS (0x80000000) /* Transmit FIFO too small */ +#define TAH_TSR_UH (0x40000000) /* Unrecognized header */ +#define TAH_TSR_NIPF (0x20000000) /* Not IPv4 */ +#define TAH_TSR_IPOP (0x10000000) /* IP option present */ +#define TAH_TSR_NISF (0x08000000) /* No IEEE SNAP format */ +#define TAH_TSR_ILTS (0x04000000) /* IP length too short */ +#define TAH_TSR_IPFP (0x02000000) /* IP fragment present */ +#define TAH_TSR_UP (0x01000000) /* Unsupported protocol */ +#define TAH_TSR_TFP (0x00800000) /* TCP flags present */ +#define TAH_TSR_SUDP (0x00400000) /* Segmentation for UDP */ +#define TAH_TSR_DLM (0x00200000) /* Data length mismatch */ +#define TAH_TSR_SIEEE (0x00100000) /* Segmentation for IEEE */ +#define TAH_TSR_TFPE (0x00080000) /* Transmit FIFO parity error */ +#define TAH_TSR_SSTS (0x00040000) /* Segment size too small */ +#define TAH_TSR_RSVD (0x0003FFFF) /* Reserved */ +#endif /* CONFIG_440_GX */ + + +/* Ethernet MAC Regsiter Addresses */ +#define EMAC_BASE (CFG_PERIPHERAL_BASE + 0x0800) + +#define EMAC_M0 (EMAC_BASE) +#define EMAC_M1 (EMAC_BASE + 4) +#define EMAC_TXM0 (EMAC_BASE + 8) +#define EMAC_TXM1 (EMAC_BASE + 12) +#define EMAC_RXM (EMAC_BASE + 16) +#define EMAC_ISR (EMAC_BASE + 20) +#define EMAC_IER (EMAC_BASE + 24) +#define EMAC_IAH (EMAC_BASE + 28) +#define EMAC_IAL (EMAC_BASE + 32) +#define EMAC_VLAN_TPID_REG (EMAC_BASE + 36) +#define EMAC_VLAN_TCI_REG (EMAC_BASE + 40) +#define EMAC_PAUSE_TIME_REG (EMAC_BASE + 44) +#define EMAC_IND_HASH_1 (EMAC_BASE + 48) +#define EMAC_IND_HASH_2 (EMAC_BASE + 52) +#define EMAC_IND_HASH_3 (EMAC_BASE + 56) +#define EMAC_IND_HASH_4 (EMAC_BASE + 60) +#define EMAC_GRP_HASH_1 (EMAC_BASE + 64) +#define EMAC_GRP_HASH_2 (EMAC_BASE + 68) +#define EMAC_GRP_HASH_3 (EMAC_BASE + 72) +#define EMAC_GRP_HASH_4 (EMAC_BASE + 76) +#define EMAC_LST_SRC_LOW (EMAC_BASE + 80) +#define EMAC_LST_SRC_HI (EMAC_BASE + 84) +#define EMAC_I_FRAME_GAP_REG (EMAC_BASE + 88) +#define EMAC_STACR (EMAC_BASE + 92) +#define EMAC_TRTR (EMAC_BASE + 96) +#define EMAC_RX_HI_LO_WMARK (EMAC_BASE + 100) + +/* bit definitions */ +/* MODE REG 0 */ +#define EMAC_M0_RXI (0x80000000) +#define EMAC_M0_TXI (0x40000000) +#define EMAC_M0_SRST (0x20000000) +#define EMAC_M0_TXE (0x10000000) +#define EMAC_M0_RXE (0x08000000) +#define EMAC_M0_WKE (0x04000000) + +/* MODE Reg 1 */ +#define EMAC_M1_FDE (0x80000000) +#define EMAC_M1_ILE (0x40000000) +#define EMAC_M1_VLE (0x20000000) +#define EMAC_M1_EIFC (0x10000000) +#define EMAC_M1_APP (0x08000000) +#define EMAC_M1_RSVD (0x06000000) +#define EMAC_M1_IST (0x01000000) +#define EMAC_M1_MF_1000MBPS (0x00800000) /* 0's for 10MBPS */ +#define EMAC_M1_MF_100MBPS (0x00400000) +#define EMAC_M1_RFS_16K (0x00280000) /* ~4k for 512 byte */ +#define EMAC_M1_RFS_8K (0x00200000) /* ~4k for 512 byte */ +#define EMAC_M1_RFS_4K (0x00180000) /* ~4k for 512 byte */ +#define EMAC_M1_RFS_2K (0x00100000) +#define EMAC_M1_RFS_1K (0x00080000) +#define EMAC_M1_TX_FIFO_16K (0x00050000) /* 0's for 512 byte */ +#define EMAC_M1_TX_FIFO_8K (0x00040000) +#define EMAC_M1_TX_FIFO_4K (0x00030000) +#define EMAC_M1_TX_FIFO_2K (0x00020000) +#define EMAC_M1_TX_FIFO_1K (0x00010000) +#define EMAC_M1_TR_MULTI (0x00008000) /* 0'x for single packet */ +#define EMAC_M1_MWSW (0x00007000) +#define EMAC_M1_JUMBO_ENABLE (0x00000800) +#define EMAC_M1_IPPA (0x000007c0) +#define EMAC_M1_OBCI_GT100 (0x00000020) +#define EMAC_M1_OBCI_100 (0x00000018) +#define EMAC_M1_OBCI_83 (0x00000010) +#define EMAC_M1_OBCI_66 (0x00000008) +#define EMAC_M1_RSVD1 (0x00000007) +/* Transmit Mode Register 0 */ +#define EMAC_TXM0_GNP0 (0x80000000) +#define EMAC_TXM0_GNP1 (0x40000000) +#define EMAC_TXM0_GNPD (0x20000000) +#define EMAC_TXM0_FC (0x10000000) + +/* Receive Mode Register */ +#define EMAC_RMR_SP (0x80000000) +#define EMAC_RMR_SFCS (0x40000000) +#define EMAC_RMR_ARRP (0x20000000) +#define EMAC_RMR_ARP (0x10000000) +#define EMAC_RMR_AROP (0x08000000) +#define EMAC_RMR_ARPI (0x04000000) +#define EMAC_RMR_PPP (0x02000000) +#define EMAC_RMR_PME (0x01000000) +#define EMAC_RMR_PMME (0x00800000) +#define EMAC_RMR_IAE (0x00400000) +#define EMAC_RMR_MIAE (0x00200000) +#define EMAC_RMR_BAE (0x00100000) +#define EMAC_RMR_MAE (0x00080000) + +/* Interrupt Status & enable Regs */ +#define EMAC_ISR_OVR (0x02000000) +#define EMAC_ISR_PP (0x01000000) +#define EMAC_ISR_BP (0x00800000) +#define EMAC_ISR_RP (0x00400000) +#define EMAC_ISR_SE (0x00200000) +#define EMAC_ISR_SYE (0x00100000) +#define EMAC_ISR_BFCS (0x00080000) +#define EMAC_ISR_PTLE (0x00040000) +#define EMAC_ISR_ORE (0x00020000) +#define EMAC_ISR_IRE (0x00010000) +#define EMAC_ISR_DBDM (0x00000200) +#define EMAC_ISR_DB0 (0x00000100) +#define EMAC_ISR_SE0 (0x00000080) +#define EMAC_ISR_TE0 (0x00000040) +#define EMAC_ISR_DB1 (0x00000020) +#define EMAC_ISR_SE1 (0x00000010) +#define EMAC_ISR_TE1 (0x00000008) +#define EMAC_ISR_MOS (0x00000002) +#define EMAC_ISR_MOF (0x00000001) + + +/* STA CONTROL REG */ +#define EMAC_STACR_OC (0x00008000) +#define EMAC_STACR_PHYE (0x00004000) +#define EMAC_STACR_WRITE (0x00002000) +#define EMAC_STACR_READ (0x00001000) +#define EMAC_STACR_CLK_83MHZ (0x00000800) /* 0's for 50Mhz */ +#define EMAC_STACR_CLK_66MHZ (0x00000400) +#define EMAC_STACR_CLK_100MHZ (0x00000C00) + +/* Transmit Request Threshold Register */ +#define EMAC_TRTR_256 (0x18000000) /* 0's for 64 Bytes */ +#define EMAC_TRTR_192 (0x10000000) +#define EMAC_TRTR_128 (0x01000000) + +/* the follwing defines are for the MadMAL status and control registers. */ +/* For bits 0..5 look at the mal.h file */ +#define EMAC_TX_CTRL_GFCS (0x0200) +#define EMAC_TX_CTRL_GP (0x0100) +#define EMAC_TX_CTRL_ISA (0x0080) +#define EMAC_TX_CTRL_RSA (0x0040) +#define EMAC_TX_CTRL_IVT (0x0020) +#define EMAC_TX_CTRL_RVT (0x0010) + +#define EMAC_TX_CTRL_DEFAULT (EMAC_TX_CTRL_GFCS |EMAC_TX_CTRL_GP) + +#define EMAC_TX_ST_BFCS (0x0200) +#define EMAC_TX_ST_BPP (0x0100) +#define EMAC_TX_ST_LCS (0x0080) +#define EMAC_TX_ST_ED (0x0040) +#define EMAC_TX_ST_EC (0x0020) +#define EMAC_TX_ST_LC (0x0010) +#define EMAC_TX_ST_MC (0x0008) +#define EMAC_TX_ST_SC (0x0004) +#define EMAC_TX_ST_UR (0x0002) +#define EMAC_TX_ST_SQE (0x0001) + +#define EMAC_TX_ST_DEFAULT (0x03F3) + + +/* madmal receive status / Control bits */ + +#define EMAC_RX_ST_OE (0x0200) +#define EMAC_RX_ST_PP (0x0100) +#define EMAC_RX_ST_BP (0x0080) +#define EMAC_RX_ST_RP (0x0040) +#define EMAC_RX_ST_SE (0x0020) +#define EMAC_RX_ST_AE (0x0010) +#define EMAC_RX_ST_BFCS (0x0008) +#define EMAC_RX_ST_PTL (0x0004) +#define EMAC_RX_ST_ORE (0x0002) +#define EMAC_RX_ST_IRE (0x0001) +/* all the errors we care about */ +#define EMAC_RX_ERRORS (0x03FF) + +#endif /* CONFIG_440 */ +#endif /* _enetLib_h_ */ |