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-rw-r--r--gpxe/src/drivers/net/eepro100.h206
1 files changed, 206 insertions, 0 deletions
diff --git a/gpxe/src/drivers/net/eepro100.h b/gpxe/src/drivers/net/eepro100.h
new file mode 100644
index 00000000..17a22dfd
--- /dev/null
+++ b/gpxe/src/drivers/net/eepro100.h
@@ -0,0 +1,206 @@
+
+#ifndef __EEPRO100_H_
+#define __EEPRO100_H_
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#define CONGENB 0 /* Enable congestion control in the DP83840. */
+#define TX_FIFO 8 /* Tx FIFO threshold in 4 byte units, 0-15 */
+#define RX_FIFO 8 /* Rx FIFO threshold, default 32 bytes. */
+#define TX_DMA_COUNT 0 /* Tx DMA burst length, 0-127, default 0. */
+#define RX_DMA_COUNT 0 /* Rx DMA length, 0 means no preemption. */
+#define CU_CMD_TIMEOUT 1000 /* CU command accept timeout in microseconds */
+#define LINK_CHECK_PERIOD 1000 /* # of poll() calls between link checks */
+
+#define RFD_PACKET_LEN 1518
+#define RFD_IOB_LEN 1536
+#define RFD_HEADER_LEN 16
+#define CB_ALIGN 2 /* Alignment of command blocks */
+
+#define RFD_COUNT 4
+#define TCB_COUNT 4
+#define RX_RING_BYTES ( RFD_COUNT * sizeof ( struct ifec_rfd ) )
+#define TX_RING_BYTES ( TCB_COUNT * sizeof ( struct ifec_tcb ) )
+
+/* some EEPROM addresses */
+#define EEPROM_ADDR_MAC_0 0
+#define EEPROM_ADDR_MDIO_REGISTER 6
+
+/* Control / Status Register byte offsets - SDM Table 11 */
+enum CSROffsets {
+ SCBStatus=0, SCBCmd=2, SCBPointer = 4,
+ CSRPort=8, CSRFlash=12, CSREeprom = 14,
+ CSRCtrlMDI=16, CSREarlyRx=20
+};
+
+/* System Control Block Command Word - SDM Table 12 */
+enum SCBCmdBits {
+ /* SCB Interrupt Masks - SDM Table 14 */
+ SCBMaskCmdDone=0x8000, SCBMaskRxDone=0x4000, SCBMaskCmdIdle=0x2000,
+ SCBMaskRxSuspend=0x1000, SCBMaskEarlyRx=0x0800, SCBMaskFlowCtl=0x0400,
+ SCBTriggerIntr=0x0200, SCBMaskAll=0x0100,
+ /* SCB Control Commands - SDM Table 14-16 */
+ CUStart=0x0010, CUResume=0x0020, CUStatsAddr=0x0040,
+ CUShowStats=0x0050, CUCmdBase=0x0060, CUDumpStats=0x0070,
+ RUStart=0x0001, RUResume=0x0002, RUAbort=0x0004,
+ RUAddrLoad=0x0006, RUResumeNoResources=0x0007
+};
+
+enum SCBPortCmds {
+ PortReset=0, PortSelfTest=1, PortPartialReset=2, PortDump=3
+};
+
+/* Action Commands - SDM Table 14,37 */
+enum ActionCommands {
+ CmdNOp = 0, CmdIASetup = 1, CmdConfigure = 2,
+ CmdMulticastList = 3, CmdTx = 4, CmdTDR = 5,
+ CmdDump = 6, CmdDiagnose = 7,
+ /* And some extra flags: */
+ CmdEndOfList = 0x8000,
+ CmdSuspend = 0x4000, CmdIntr = 0x2000, CmdTxFlex = 0x0008
+};
+
+enum TCBBits {
+ TCB_C=0x8000, TCB_OK=0x2000, TCB_U=0x1000
+};
+
+enum RFDBits {
+ /* Status Word Bits */
+ RFDRxCol=0x0001, RFDIAMatch=0x0002, RFDNoMatch=0x0004,
+ RFDReserved3=0x0008, RFDRxErr=0x0010, RFDEthType=0x0020,
+ RFDReserved6=0x0040, RFDShort=0x0080, RFDDMAOverrun=0x0100,
+ RFDNoBufs=0x0200, RFDCRCAlign=0x0400, RFDCRCError=0x0800,
+ RFDReserved12=0x1000, RFD_OK=0x2000, RFDComplete=0x8000,
+ /* Command Word Bits */
+ //RFD_SF=0x0008, RFDSuspend=0x4000, RFDEndOfList=0x8000,
+ /* Other */
+ RFDMaskCount=0x3FFF
+};
+
+enum phy_chips {
+ NonSuchPhy=0, I82553AB, I82553C,
+ I82503, DP83840, S80C240,
+ S80C24, PhyUndefined, DP83840A=10
+};
+
+/* Serial EEPROM section.
+ A "bit" grungy, but we work our way through bit-by-bit :->. */
+/* EEPROM_Ctrl bits. */
+#define EE_SHIFT_CLK 0x01 /* EEPROM shift clock. */
+#define EE_CS 0x02 /* EEPROM chip select. */
+#define EE_DATA_WRITE 0x04 /* EEPROM chip data in. */
+#define EE_DATA_READ 0x08 /* EEPROM chip data out. */
+#define EE_ENB ( 0x4800 | EE_CS )
+
+/* Elements of the dump_statistics block. This block must be lword aligned. */
+struct ifec_stats {
+ u32
+ tx_good_frames, tx_coll16_errs, tx_late_colls,
+ tx_underruns, tx_lost_carrier, tx_deferred,
+ tx_one_colls, tx_multi_colls, tx_total_colls,
+ rx_good_frames, rx_crc_errs, rx_align_errs,
+ rx_resource_errs, rx_overrun_errs, rx_colls_errs,
+ rx_runt_errs, done_marker;
+};
+
+struct ifec_tcb { /* A Transmit Command Block & TBD. Must be */
+ volatile s16 status; /* word (even address) aligned */
+ u16 command;
+ u32 link; /* PHYSICAL next ifec_tcb, doesn't change */
+ u32 tbda_addr; /* TBD Array, points to TBD below */
+ s32 count; /* # of TBD, Tx start thresh., etc. */
+ /* The following constitutes a Transmit Buffer Descriptor (TBD).
+ * TBDs must be aligned on an even address (word-aligned). */
+ u32 tbd_addr0; /* PHYSICAL ptr to Tx data */
+ s32 tbd_size0; /* Length of Tx data */
+ /* Driver-specific data; not part of TCB format. */
+ struct io_buffer *iob; /* Exists from tx() to completion poll() */
+ struct ifec_tcb *next; /* VIRTUAL next ifec_tcb, doesn't change */
+};
+
+struct ifec_rfd { /* A Receive Frame Descriptor. Must be aligned */
+ volatile s16 status; /* on a physical word (even address) */
+ s16 command;
+ u32 link; /* PHYSICAL next ifec_rfd, doesn't change */
+ u32 rx_buf_addr; /* Unused. Flex rx mode is not documented */
+ u16 count; /* and may be impossible */
+ u16 size;
+ char packet[RFD_PACKET_LEN];
+};
+
+struct ifec_ias { /* Individual Address Setup command block. */
+ volatile s16 status; /* Must be word (even address) aligned. */
+ u16 command;
+ u32 link; /* PHYSICAL next command block to process */
+ u8 ia[6];
+};
+
+struct ifec_cfg { /* The configure command format. */
+ volatile s16 status;
+ u16 command;
+ u32 link; /* PHYSICAL next command block to process */
+ u8 byte[22]; /* 22 configuration bytes */
+};
+
+struct ifec_private {
+ unsigned long ioaddr;
+ struct ifec_stats stats;
+ unsigned short mdio_register;
+
+ struct ifec_tcb *tcbs;
+ struct ifec_rfd *rfds[RFD_COUNT];
+ struct ifec_tcb *tcb_head, *tcb_tail;
+ struct io_buffer *tx_iobs[TCB_COUNT];
+ struct io_buffer *rx_iobs[RFD_COUNT];
+ int cur_rx;
+ int tx_curr;
+ int tx_tail;
+ int tx_cnt;
+ /*
+ * The configured flag indicates if a Config command was last issued.
+ * The following attempt to issue a command (in ifec_tx_wake) will
+ * use a START rather than RESUME SCB command. It seems the card won't
+ * RESUME after a configure command.
+ */
+ int configured;
+ struct spi_bit_basher spi;
+ struct spi_device eeprom;
+
+};
+
+/**************************** Function prototypes ****************************/
+
+/* PCI device API prototypes */
+static int ifec_pci_probe ( struct pci_device*, const struct pci_device_id*);
+static void ifec_pci_remove ( struct pci_device *pci );
+
+/* Network device API prototypes */
+static void ifec_net_close ( struct net_device* );
+static void ifec_net_irq ( struct net_device*, int enable );
+static int ifec_net_open ( struct net_device* );
+static void ifec_net_poll ( struct net_device* );
+static int ifec_net_transmit ( struct net_device*, struct io_buffer *iobuf );
+
+/* Local function prototypes */
+static void ifec_init_eeprom ( struct net_device * );
+static int ifec_link_check ( struct net_device * );
+static void ifec_link_update ( struct net_device * );
+static int ifec_mdio_read ( struct net_device *, int phy, int location );
+static void ifec_mdio_setup ( struct net_device *, int options );
+static int ifec_mdio_write ( struct net_device *, int phy, int loc, int val);
+static void ifec_reset ( struct net_device * );
+static void ifec_free ( struct net_device * );
+static void ifec_rfd_init ( struct ifec_rfd *rfd, s16 command, u32 link );
+static void ifec_rx_process ( struct net_device * );
+static void ifec_reprime_ru ( struct net_device * );
+static void ifec_check_ru_status ( struct net_device *, unsigned short );
+static int ifec_get_rx_desc ( struct net_device *, int ,int ,int );
+static void ifec_refill_rx_ring ( struct net_device * );
+static int ifec_rx_setup ( struct net_device * );
+static int ifec_scb_cmd ( struct net_device *, u32 ptr, u8 cmd );
+static int ifec_scb_cmd_wait ( struct net_device * );
+static void ifec_tx_process ( struct net_device * );
+static int ifec_tx_setup ( struct net_device * );
+static void ifec_tx_wake ( struct net_device * );
+
+#endif