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[eepro100] Convert to native gPXE API
This version is Based on Michael Decker's GSoC 2008 code. A number cleanups and fixes were applied. Earlier-version-reviewed-by: Marty Connor <mdc@etherboot.org> Earlier-version-tested-by: Marty Connor <mdc@etherboot.org> Earlier-version-tested-by: Shao Miller <Shao.Miller@yrdsb.edu.on.ca> Reviewed-by: Stefan Hajnoczi <stefanha@gmail.com> Reviewed-by: Joshua Oreman <oremanj@rwcr.net> Signed-off-by: Marty Connor <mdc@etherboot.org>
This commit is contained in:
Thomas Miletich
Marty Connor
parent
470454a791
commit
cdcb4165bd
File diff suppressed because it is too large
Load Diff
204
src/drivers/net/eepro100.h
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204
src/drivers/net/eepro100.h
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#ifndef __EEPRO100_H_
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#define __EEPRO100_H_
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#define CONGENB 0 /* Enable congestion control in the DP83840. */
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#define TX_FIFO 8 /* Tx FIFO threshold in 4 byte units, 0-15 */
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#define RX_FIFO 8 /* Rx FIFO threshold, default 32 bytes. */
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#define TX_DMA_COUNT 0 /* Tx DMA burst length, 0-127, default 0. */
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#define RX_DMA_COUNT 0 /* Rx DMA length, 0 means no preemption. */
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#define CU_CMD_TIMEOUT 1000 /* CU command accept timeout in microseconds */
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#define LINK_CHECK_PERIOD 1000 /* # of poll() calls between link checks */
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#define RFD_PACKET_LEN 1518
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#define RFD_IOB_LEN 1536
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#define RFD_HEADER_LEN 16
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#define CB_ALIGN 2 /* Alignment of command blocks */
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#define RFD_COUNT 4
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#define TCB_COUNT 4
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#define RX_RING_BYTES ( RFD_COUNT * sizeof ( struct ifec_rfd ) )
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#define TX_RING_BYTES ( TCB_COUNT * sizeof ( struct ifec_tcb ) )
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/* some EEPROM addresses */
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#define EEPROM_ADDR_MAC_0 0
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#define EEPROM_ADDR_MDIO_REGISTER 6
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/* Control / Status Register byte offsets - SDM Table 11 */
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enum CSROffsets {
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SCBStatus=0, SCBCmd=2, SCBPointer = 4,
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CSRPort=8, CSRFlash=12, CSREeprom = 14,
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CSRCtrlMDI=16, CSREarlyRx=20
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};
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/* System Control Block Command Word - SDM Table 12 */
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enum SCBCmdBits {
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/* SCB Interrupt Masks - SDM Table 14 */
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SCBMaskCmdDone=0x8000, SCBMaskRxDone=0x4000, SCBMaskCmdIdle=0x2000,
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SCBMaskRxSuspend=0x1000, SCBMaskEarlyRx=0x0800, SCBMaskFlowCtl=0x0400,
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SCBTriggerIntr=0x0200, SCBMaskAll=0x0100,
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/* SCB Control Commands - SDM Table 14-16 */
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CUStart=0x0010, CUResume=0x0020, CUStatsAddr=0x0040,
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CUShowStats=0x0050, CUCmdBase=0x0060, CUDumpStats=0x0070,
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RUStart=0x0001, RUResume=0x0002, RUAbort=0x0004,
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RUAddrLoad=0x0006, RUResumeNoResources=0x0007
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};
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enum SCBPortCmds {
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PortReset=0, PortSelfTest=1, PortPartialReset=2, PortDump=3
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};
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/* Action Commands - SDM Table 14,37 */
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enum ActionCommands {
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CmdNOp = 0, CmdIASetup = 1, CmdConfigure = 2,
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CmdMulticastList = 3, CmdTx = 4, CmdTDR = 5,
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CmdDump = 6, CmdDiagnose = 7,
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/* And some extra flags: */
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CmdEndOfList = 0x8000,
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CmdSuspend = 0x4000, CmdIntr = 0x2000, CmdTxFlex = 0x0008
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};
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enum TCBBits {
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TCB_C=0x8000, TCB_OK=0x2000, TCB_U=0x1000
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};
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enum RFDBits {
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/* Status Word Bits */
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RFDRxCol=0x0001, RFDIAMatch=0x0002, RFDNoMatch=0x0004,
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RFDReserved3=0x0008, RFDRxErr=0x0010, RFDEthType=0x0020,
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RFDReserved6=0x0040, RFDShort=0x0080, RFDDMAOverrun=0x0100,
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RFDNoBufs=0x0200, RFDCRCAlign=0x0400, RFDCRCError=0x0800,
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RFDReserved12=0x1000, RFD_OK=0x2000, RFDComplete=0x8000,
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/* Command Word Bits */
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//RFD_SF=0x0008, RFDSuspend=0x4000, RFDEndOfList=0x8000,
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/* Other */
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RFDMaskCount=0x3FFF
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};
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enum phy_chips {
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NonSuchPhy=0, I82553AB, I82553C,
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I82503, DP83840, S80C240,
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S80C24, PhyUndefined, DP83840A=10
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};
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/* Serial EEPROM section.
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A "bit" grungy, but we work our way through bit-by-bit :->. */
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/* EEPROM_Ctrl bits. */
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#define EE_SHIFT_CLK 0x01 /* EEPROM shift clock. */
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#define EE_CS 0x02 /* EEPROM chip select. */
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#define EE_DATA_WRITE 0x04 /* EEPROM chip data in. */
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#define EE_DATA_READ 0x08 /* EEPROM chip data out. */
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#define EE_ENB ( 0x4800 | EE_CS )
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/* Elements of the dump_statistics block. This block must be lword aligned. */
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struct ifec_stats {
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u32
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tx_good_frames, tx_coll16_errs, tx_late_colls,
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tx_underruns, tx_lost_carrier, tx_deferred,
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tx_one_colls, tx_multi_colls, tx_total_colls,
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rx_good_frames, rx_crc_errs, rx_align_errs,
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rx_resource_errs, rx_overrun_errs, rx_colls_errs,
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rx_runt_errs, done_marker;
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};
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struct ifec_tcb { /* A Transmit Command Block & TBD. Must be */
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volatile s16 status; /* word (even address) aligned */
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u16 command;
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u32 link; /* PHYSICAL next ifec_tcb, doesn't change */
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u32 tbda_addr; /* TBD Array, points to TBD below */
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s32 count; /* # of TBD, Tx start thresh., etc. */
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/* The following constitutes a Transmit Buffer Descriptor (TBD).
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* TBDs must be aligned on an even address (word-aligned). */
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u32 tbd_addr0; /* PHYSICAL ptr to Tx data */
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s32 tbd_size0; /* Length of Tx data */
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/* Driver-specific data; not part of TCB format. */
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struct io_buffer *iob; /* Exists from tx() to completion poll() */
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struct ifec_tcb *next; /* VIRTUAL next ifec_tcb, doesn't change */
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};
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struct ifec_rfd { /* A Receive Frame Descriptor. Must be aligned */
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volatile s16 status; /* on a physical word (even address) */
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s16 command;
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u32 link; /* PHYSICAL next ifec_rfd, doesn't change */
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u32 rx_buf_addr; /* Unused. Flex rx mode is not documented */
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u16 count; /* and may be impossible */
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u16 size;
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char packet[RFD_PACKET_LEN];
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};
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struct ifec_ias { /* Individual Address Setup command block. */
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volatile s16 status; /* Must be word (even address) aligned. */
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u16 command;
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u32 link; /* PHYSICAL next command block to process */
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u8 ia[6];
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};
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struct ifec_cfg { /* The configure command format. */
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volatile s16 status;
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u16 command;
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u32 link; /* PHYSICAL next command block to process */
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u8 byte[22]; /* 22 configuration bytes */
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};
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struct ifec_private {
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unsigned long ioaddr;
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struct ifec_stats stats;
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unsigned short mdio_register;
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struct ifec_tcb *tcbs;
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struct ifec_rfd *rfds[RFD_COUNT];
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struct ifec_tcb *tcb_head, *tcb_tail;
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struct io_buffer *tx_iobs[TCB_COUNT];
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struct io_buffer *rx_iobs[RFD_COUNT];
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int cur_rx;
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int tx_curr;
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int tx_tail;
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int tx_cnt;
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/*
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* The configured flag indicates if a Config command was last issued.
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* The following attempt to issue a command (in ifec_tx_wake) will
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* use a START rather than RESUME SCB command. It seems the card won't
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* RESUME after a configure command.
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*/
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int configured;
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struct spi_bit_basher spi;
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struct spi_device eeprom;
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};
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/**************************** Function prototypes ****************************/
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/* PCI device API prototypes */
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static int ifec_pci_probe ( struct pci_device*, const struct pci_device_id*);
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static void ifec_pci_remove ( struct pci_device *pci );
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/* Network device API prototypes */
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static void ifec_net_close ( struct net_device* );
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static void ifec_net_irq ( struct net_device*, int enable );
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static int ifec_net_open ( struct net_device* );
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static void ifec_net_poll ( struct net_device* );
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static int ifec_net_transmit ( struct net_device*, struct io_buffer *iobuf );
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/* Local function prototypes */
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static void ifec_init_eeprom ( struct net_device * );
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static int ifec_link_check ( struct net_device * );
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static void ifec_link_update ( struct net_device * );
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static int ifec_mdio_read ( struct net_device *, int phy, int location );
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static void ifec_mdio_setup ( struct net_device *, int options );
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static int ifec_mdio_write ( struct net_device *, int phy, int loc, int val);
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static void ifec_reset ( struct net_device * );
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static void ifec_free ( struct net_device * );
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static void ifec_rfd_init ( struct ifec_rfd *rfd, s16 command, u32 link );
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static void ifec_rx_process ( struct net_device * );
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static void ifec_reprime_ru ( struct net_device * );
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static void ifec_check_ru_status ( struct net_device *, unsigned short );
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static int ifec_get_rx_desc ( struct net_device *, int ,int ,int );
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static void ifec_refill_rx_ring ( struct net_device * );
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static int ifec_rx_setup ( struct net_device * );
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static int ifec_scb_cmd ( struct net_device *, u32 ptr, u8 cmd );
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static int ifec_scb_cmd_wait ( struct net_device * );
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static void ifec_tx_process ( struct net_device * );
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static int ifec_tx_setup ( struct net_device * );
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static void ifec_tx_wake ( struct net_device * );
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#endif
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