/*
* Altera 10/100/1000 triple speed ethernet mac
*
* Copyright (C) 2008 Altera Corporation.
* Copyright (C) 2010 Thomas Chou <thomas@wytron.com.tw>
* Copyright (C) 2011 Franck JULLIEN <elec4fun@gmail.com>
*
* 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 _ALTERA_TSE_H_
#define _ALTERA_TSE_H_
/* SGDMA Stuff */
#define ALT_SGDMA_STATUS_ERROR_MSK (0x00000001)
#define ALT_SGDMA_STATUS_EOP_ENCOUNTERED_MSK (0x00000002)
#define ALT_SGDMA_STATUS_DESC_COMPLETED_MSK (0x00000004)
#define ALT_SGDMA_STATUS_CHAIN_COMPLETED_MSK (0x00000008)
#define ALT_SGDMA_STATUS_BUSY_MSK (0x00000010)
#define ALT_SGDMA_CONTROL_IE_ERROR_MSK (0x00000001)
#define ALT_SGDMA_CONTROL_IE_EOP_ENCOUNTERED_MSK (0x00000002)
#define ALT_SGDMA_CONTROL_IE_DESC_COMPLETED_MSK (0x00000004)
#define ALT_SGDMA_CONTROL_IE_CHAIN_COMPLETED_MSK (0x00000008)
#define ALT_SGDMA_CONTROL_IE_GLOBAL_MSK (0x00000010)
#define ALT_SGDMA_CONTROL_RUN_MSK (0x00000020)
#define ALT_SGDMA_CONTROL_STOP_DMA_ER_MSK (0x00000040)
#define ALT_SGDMA_CONTROL_IE_MAX_DESC_PROCESSED_MSK (0x00000080)
#define ALT_SGDMA_CONTROL_MAX_DESC_PROCESSED_MSK (0x0000FF00)
#define ALT_SGDMA_CONTROL_SOFTWARERESET_MSK (0x00010000)
#define ALT_SGDMA_CONTROL_PARK_MSK (0x00020000)
#define ALT_SGDMA_CONTROL_CLEAR_INTERRUPT_MSK (0x80000000)
#define ALTERA_TSE_SGDMA_INTR_MASK (ALT_SGDMA_CONTROL_IE_CHAIN_COMPLETED_MSK \
| ALT_SGDMA_STATUS_DESC_COMPLETED_MSK \
| ALT_SGDMA_CONTROL_IE_GLOBAL_MSK)
/*
* Descriptor control bit masks & offsets
*
* Note: The control byte physically occupies bits [31:24] in memory.
* The following bit-offsets are expressed relative to the LSB of
* the control register bitfield.
*/
#define ALT_SGDMA_DESCRIPTOR_CONTROL_GENERATE_EOP_MSK (0x00000001)
#define ALT_SGDMA_DESCRIPTOR_CONTROL_READ_FIXED_ADDRESS_MSK (0x00000002)
#define ALT_SGDMA_DESCRIPTOR_CONTROL_WRITE_FIXED_ADDRESS_MSK (0x00000004)
#define ALT_SGDMA_DESCRIPTOR_CONTROL_ATLANTIC_CHANNEL_MSK (0x00000008)
#define ALT_SGDMA_DESCRIPTOR_CONTROL_OWNED_BY_HW_MSK (0x00000080)
/*
* Descriptor status bit masks & offsets
*
* Note: The status byte physically occupies bits [23:16] in memory.
* The following bit-offsets are expressed relative to the LSB of
* the status register bitfield.
*/
#define ALT_SGDMA_DESCRIPTOR_STATUS_E_CRC_MSK (0x00000001)
#define ALT_SGDMA_DESCRIPTOR_STATUS_E_PARITY_MSK (0x00000002)
#define ALT_SGDMA_DESCRIPTOR_STATUS_E_OVERFLOW_MSK (0x00000004)
#define ALT_SGDMA_DESCRIPTOR_STATUS_E_SYNC_MSK (0x00000008)
#define ALT_SGDMA_DESCRIPTOR_STATUS_E_UEOP_MSK (0x00000010)
#define ALT_SGDMA_DESCRIPTOR_STATUS_E_MEOP_MSK (0x00000020)
#define ALT_SGDMA_DESCRIPTOR_STATUS_E_MSOP_MSK (0x00000040)
#define ALT_SGDMA_DESCRIPTOR_STATUS_TERMINATED_BY_EOP_MSK (0x00000080)
#define ALT_SGDMA_DESCRIPTOR_STATUS_ERROR_MSK (0x0000007F)
/*
* The SGDMA controller buffer descriptor allocates
* 64 bits for each address. To support ANSI C, the
* struct implementing a descriptor places 32-bits
* of padding directly above each address; each pad must
* be cleared when initializing a descriptor.
*/
/*
* Buffer Descriptor data structure
*
*/
struct alt_sgdma_descriptor {
unsigned int *source; /* the address of data to be read. */
unsigned int source_pad;
unsigned int *destination; /* the address to write data */
unsigned int destination_pad;
unsigned int *next; /* the next descriptor in the list. */
unsigned int next_pad;
unsigned short bytes_to_transfer; /* the number of bytes to transfer */
unsigned char read_burst;
unsigned char write_burst;
unsigned short actual_bytes_transferred;/* bytes transferred by DMA */
unsigned char descriptor_status;
unsigned char descriptor_control;
} __attribute__ ((packed, aligned(1)));
/* SG-DMA Control/Status Slave registers map */
struct alt_sgdma_registers {
unsigned int status;
unsigned int status_pad[3];
unsigned int control;
unsigned int control_pad[3];
unsigned int next_descriptor_pointer;
unsigned int descriptor_pad[3];
};
/* TSE Stuff */
#define ALTERA_TSE_CMD_TX_ENA_MSK (0x00000001)
#define ALTERA_TSE_CMD_RX_ENA_MSK (0x00000002)
#define ALTERA_TSE_CMD_XON_GEN_MSK (0x00000004)
#define ALTERA_TSE_CMD_ETH_SPEED_MSK (0x00000008)
#define ALTERA_TSE_CMD_PROMIS_EN_MSK (0x00000010)
#define ALTERA_TSE_CMD_PAD_EN_MSK (0x00000020)
#define ALTERA_TSE_CMD_CRC_FWD_MSK (0x00000040)
#define ALTERA_TSE_CMD_PAUSE_FWD_MSK (0x00000080)
#define ALTERA_TSE_CMD_PAUSE_IGNORE_MSK (0x00000100)
#define ALTERA_TSE_CMD_TX_ADDR_INS_MSK (0x00000200)
#define ALTERA_TSE_CMD_HD_ENA_MSK (0x00000400)
#define ALTERA_TSE_CMD_EXCESS_COL_MSK (0x00000800)
#define ALTERA_TSE_CMD_LATE_COL_MSK (0x00001000)
#define ALTERA_TSE_CMD_SW_RESET_MSK (0x00002000)
#define ALTERA_TSE_CMD_MHASH_SEL_MSK (0x00004000)
#define ALTERA_TSE_CMD_LOOPBACK_MSK (0x00008000)
/* Bits (18:16) = address select */
#define ALTERA_TSE_CMD_TX_ADDR_SEL_MSK (0x00070000)
#define ALTERA_TSE_CMD_MAGIC_ENA_MSK (0x00080000)
#define ALTERA_TSE_CMD_SLEEP_MSK (0x00100000)
#define ALTERA_TSE_CMD_WAKEUP_MSK (0x00200000)
#define ALTERA_TSE_CMD_XOFF_GEN_MSK (0x00400000)
#define ALTERA_TSE_CMD_CNTL_FRM_ENA_MSK (0x00800000)
#define ALTERA_TSE_CMD_NO_LENGTH_CHECK_MSK (0x01000000)
#define ALTERA_TSE_CMD_ENA_10_MSK (0x02000000)
#define ALTERA_TSE_CMD_RX_ERR_DISC_MSK (0x04000000)
/* Bits (30..27) reserved */
#define ALTERA_TSE_CMD_CNT_RESET_MSK (0x80000000)
#define ALTERA_TSE_TX_CMD_STAT_TX_SHIFT16 (0x00040000)
#define ALTERA_TSE_TX_CMD_STAT_OMIT_CRC (0x00020000)
#define ALTERA_TSE_RX_CMD_STAT_RX_SHIFT16 (0x02000000)
#define ALT_TSE_SW_RESET_WATCHDOG_CNTR 10000
#define ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR 90000000
#define ALT_TSE_SW_RESET_WATCHDOG_TOUT 1 /* ms */
#define ALT_TSE_SGDMA_BUSY_WATCHDOG_TOUT 5 /* ms */
struct alt_tse_mdio {
unsigned int control; /*PHY device operation control register */
unsigned int status; /*PHY device operation status register */
unsigned int phy_id1; /*Bits 31:16 of PHY identifier. */
unsigned int phy_id2; /*Bits 15:0 of PHY identifier. */
unsigned int auto_negotiation_advertisement;
unsigned int remote_partner_base_page_ability;
unsigned int reg6;
unsigned int reg7;
unsigned int reg8;
unsigned int reg9;
unsigned int rega;
unsigned int regb;
unsigned int regc;
unsigned int regd;
unsigned int rege;
unsigned int regf;
unsigned int reg10;
unsigned int reg11;
unsigned int reg12;
unsigned int reg13;
unsigned int reg14;
unsigned int reg15;
unsigned int reg16;
unsigned int reg17;
unsigned int reg18;
unsigned int reg19;
unsigned int reg1a;
unsigned int reg1b;
unsigned int reg1c;
unsigned int reg1d;
unsigned int reg1e;
unsigned int reg1f;
};
/* MAC register Space */
struct alt_tse_mac {
unsigned int megacore_revision;
unsigned int scratch_pad;
unsigned int command_config;
unsigned int mac_addr_0;
unsigned int mac_addr_1;
unsigned int max_frame_length;
unsigned int pause_quanta;
unsigned int rx_sel_empty_threshold;
unsigned int rx_sel_full_threshold;
unsigned int tx_sel_empty_threshold;
unsigned int tx_sel_full_threshold;
unsigned int rx_almost_empty_threshold;
unsigned int rx_almost_full_threshold;
unsigned int tx_almost_empty_threshold;
unsigned int tx_almost_full_threshold;
unsigned int mdio_phy0_addr;
unsigned int mdio_phy1_addr;
/* only if 100/1000 BaseX PCS, reserved otherwise */
unsigned int reservedx44[5];
unsigned int reg_read_access_status;
unsigned int min_tx_ipg_length;
/* IEEE 802.3 oEntity Managed Object Support */
unsigned int aMACID_1; /*The MAC addresses */
unsigned int aMACID_2;
unsigned int aFramesTransmittedOK;
unsigned int aFramesReceivedOK;
unsigned int aFramesCheckSequenceErrors;
unsigned int aAlignmentErrors;
unsigned int aOctetsTransmittedOK;
unsigned int aOctetsReceivedOK;
/* IEEE 802.3 oPausedEntity Managed Object Support */
unsigned int aTxPAUSEMACCtrlFrames;
unsigned int aRxPAUSEMACCtrlFrames;
/* IETF MIB (MIB-II) Object Support */
unsigned int ifInErrors;
unsigned int ifOutErrors;
unsigned int ifInUcastPkts;
unsigned int ifInMulticastPkts;
unsigned int ifInBroadcastPkts;
unsigned int ifOutDiscards;
unsigned int ifOutUcastPkts;
unsigned int ifOutMulticastPkts;
unsigned int ifOutBroadcastPkts;
/* IETF RMON MIB Object Support */
unsigned int etherStatsDropEvent;
unsigned int etherStatsOctets;
unsigned int etherStatsPkts;
unsigned int etherStatsUndersizePkts;
unsigned int etherStatsOversizePkts;
unsigned int etherStatsPkts64Octets;
unsigned int etherStatsPkts65to127Octets;
unsigned int etherStatsPkts128to255Octets;
unsigned int etherStatsPkts256to511Octets;
unsigned int etherStatsPkts512to1023Octets;
unsigned int etherStatsPkts1024to1518Octets;
unsigned int etherStatsPkts1519toXOctets;
unsigned int etherStatsJabbers;
unsigned int etherStatsFragments;
unsigned int reservedxE4;
/*FIFO control register. */
unsigned int tx_cmd_stat;
unsigned int rx_cmd_stat;
unsigned int ipaccTxConf;
unsigned int ipaccRxConf;
unsigned int ipaccRxStat;
unsigned int ipaccRxStatSum;
/*Multicast address resolution table */
unsigned int hash_table[64];
/*Registers 0 to 31 within PHY device 0/1 */
struct alt_tse_mdio mdio_phy0;
struct alt_tse_mdio mdio_phy1;
/*4 Supplemental MAC Addresses */
unsigned int supp_mac_addr_0_0;
unsigned int supp_mac_addr_0_1;
unsigned int supp_mac_addr_1_0;
unsigned int supp_mac_addr_1_1;
unsigned int supp_mac_addr_2_0;
unsigned int supp_mac_addr_2_1;
unsigned int supp_mac_addr_3_0;
unsigned int supp_mac_addr_3_1;
unsigned int reservedx320[56];
};
struct altera_tse_priv {
void __iomem *tse_regs;
void __iomem *sgdma_rx_regs;
void __iomem *sgdma_tx_regs;
void __iomem *rx_desc;
void __iomem *tx_desc;
struct mii_device *miidev;
};
#endif /* _ALTERA_TSE_H_ */
