Virgin import of Xircom PCCARD driver v1.20 (1999/06/13):
* Conformance with Dingo specification. This includes: Collision/error statistics gathering. Multicast address filtering, eg. the hash filter. Initialisation and interrupt handling sequences. Note that I've started on some of this already in v1.20. * The probe routine needs some more work, to identify oddities such as the REM10. * There are still problems with the autonegotiation code; specifically, it won't autonegotiate with some 10/100 hubs. This might simply be the hardware not getting along, in which case there's nothing we can do, but it's still worth investigating * CEM28/CEM33 support. Should be able to integrate this directly from the Linux code. * Performance enhancements: Full-duplex on 10Mbit networks. Virtual shared-memory mode. Early send and receive modes. Developed by: Scott Mitchell <scott@uk.freebsd.org> Obtained from: http://www.freebsd-uk.eu.org/~scott/xe_drv/
This commit is contained in:
obrien
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@ -23,205 +23,595 @@
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: if_xereg.h,v 1.3 1999/02/22 14:00:53 root Exp $
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* $Id: if_xereg.h,v 1.5 1999/05/20 21:53:58 scott Exp $
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*/
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/*
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* Register definitions for Xircom CreditCard Ethernet adapters. See if_xe.c
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* for details of supported hardware. Adapted from Werner Koch's 'xirc2ps'
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* driver for Linux and the FreeBSD 'xl' driver (for the MII support).
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* Register definitions for Xircom PCMCIA Ethernet controllers, based on
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* Rev. B of the "Dingo" 10/100 controller used in Xircom CEM56 and RealPort
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* Ethernet/modem cards. The Dingo can be configured to be register
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* compatible with the "Mohawk" 10/100 controller used in Xircom CE3 cards
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* (also some Intel and Compaq OEM versions of the CE3). The older 10Mbps CE2
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* cards seem to use earlier revisions of the same device. Some registers and
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* bits below are marked 'CE2 only'; these are used by Werner Koch's xirc2ps
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* driver that was originally for the CE2 but, according to the spec, aren't
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* present on the Dingo. They often seem to relate to operation on coax
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* cables, which Mohawk can do in theory (it has the SSI interface) so they
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* _might_ also work on Mohawk. I've also noted the few registers that are
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* specific to Dingo.
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*
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* As far as I can tell, the Dingo is basically a Mohawk device with a few
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* registers and support for a second PCMCIA function (the modem) added. In
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* Dingo mode the SSI (non-MII) PHY interface of the Mohawk is not available.
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* The CE2 chip is most likely a Mohawk without the MII and definitely with a
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* slightly different register set.
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*
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* In all cases, the controller uses a paged model of register access. The
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* first eight registers are always the same, the function of the second eight
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* is selected by the value in the Page Register (reg 0x01).
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*
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* References:
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* 1. Dingo External Reference Specification, Revision B. Xircom Inc.,
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* Thousand Oaks, California. August 1998. Available under licence from
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* Xircom, http://www.xircom.com/
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* 2. ML6692 100BASE-TX Physical Layer with MII specification. MicroLinear
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* Corp, San Jose, California. May 1997. Available for download from
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* http://www.microlinear.com/
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* 3. DP83840 10/100 Mb/s Ethernet Physical Layer specification. National
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* Semiconductor Corp., Arlington, Texas. March 1997. Available for
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* download from http://www.ns.com/
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* 4. Werner Koch's xirc2ps driver for Linux, for all the CE2 and CE3 frobs
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* that aren't documented in the Xircom spec. Available for download from
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* http://www.d.shuttle.de/isil/xircom/xirc2ps.html
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*/
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#include "xe.h"
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#if NXE > 0
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/*
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* Common registers
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*/
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#define XE_CR 0 /* Command register (write) */
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#define XE_ESR 0 /* Ethernet status register (read) */
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#define XE_PSR 1 /* Page select register */
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#define XE_EDP 4 /* Ethernet data port */
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#define XE_ISR 6 /* Interrupt status register */
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/*******************
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* PCMCIA registers
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*******************/
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/*
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* Command register values
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* These are probably Dingo-specific, but you won't need them unless you have
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* a CEM card that needs a bit of hackery to get the Ethernet function to
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* operate. All addresses are in card attribute space.
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*/
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#define XE_CR_TX_PACKET 0x01
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#define XE_CR_SOFT_RESET 0x02
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#define XE_CR_ENABLE_INTR 0x04
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#define XE_CR_FORCE_INTR 0x08
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#define XE_CR_CLEAR_FIFO 0x10
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#define XE_CR_CLEAR_OVERRUN 0x20
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#define XE_CR_RESTART_TX 0x40
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#define DINGO_CIS 0x0000 /* Start of CIS tuples */
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#define DINGO_ETH 0x0800 /* Ethernet configuration registers */
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#define DINGO_COR 0x0820 /* Dingo configuration option registers */
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#define DINGO_2ND 0x0840 /* 2nd function configuration registers */
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/*
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* Status register values
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* Ethernet configuration registers
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*/
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#define XE_ESR_FULL_PKT_RX 0x01
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#define XE_ESR_PKT_REJECT 0x04
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#define XE_ESR_TX_PENDING 0x08
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#define XE_ESR_BAD_POLARITY 0x10
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#define XE_ESR_MEDIA_SELECT 0x20
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#define DINGO_ECOR (DINGO_ETH+0) /* Ethernet Configuration Option Register */
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#define DINGO_ECSR (DINGO_ETH+2) /* Ethernet Configuration Status Register */
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#define DINGO_EBAR0 (DINGO_ETH+10) /* Ethernet Base Address Register bits 7:4 (3:0 always 0) */
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#define DINGO_EBAR1 (DINGO_ETH+12) /* Ethernet Base Address Register bits 15:8 */
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/* DINGO_ECOR bits */
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#define DINGO_ECOR_ETH_ENABLE 0x01 /* 1 = Enable Ethernet part of adapter */
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#define DINGO_ECOR_IOB_ENABLE 0x02 /* 1 = Enable EBAR, else use INDEX bits */
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#define DINGO_ECOR_INT_ENABLE 0x04 /* 1 = Enable Ethernet interrupts */
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#define DINGO_ECOR_IOB_INDEX 0x18 /* 00 = 0x300; 01 = 0x310; 10 = 0x320; 11 = no IO base */
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#define DINGO_ECOR_IOB_SHIFT 0x03
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#define DINGO_ECOR_IRQ_STSCHG 0x20 /* 1 = Route interrupts to -STSCHG pin, else use -INT pin */
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#define DINGO_ECOR_IRQ_LEVEL 0x40 /* 1 = Level-triggered interrupts, else edge-triggered */
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#define DINGO_ECOR_SRESET 0x80 /* 1 = Soft reset Ethernet adpater. Must write to 0 */
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/* DINGO_ECSR bits */
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#define DINGO_ECSR_INT_ACK 0x01 /* 1 = Host must acknowledge interrupts (Clear ECSR_INT bit) */
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#define DINGO_ECSR_INT 0x02 /* 1 = Interrupt service requested */
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#define DINGO_ECSR_POWER_DOWN 0x04 /* 1 = Power down Ethernet adapter */
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/*
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* Interrupt register values
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* EBAR0/EBAR1 set the I/O base address of the Ethernet adapter when
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* ECOR_IOB_ENABLE is set. 12 significant bits.
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*/
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#define XE_ISR_TX_OVERFLOW 0x01
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#define XE_ISR_TX_PACKET 0x02
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#define XE_ISR_MAC_INTR 0x04
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#define XE_ISR_TX_RES 0x08
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#define XE_ISR_RX_PACKET 0x20
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#define XE_ISR_RX_REJECT 0x40
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#define XE_ISR_FORCE_INTR 0x80
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/*
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* Dingo configuration registers
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*/
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#define DINGO_DCOR0 (DINGO_COR+0) /* Dingo Configuration Options Register 0 */
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#define DINGO_DCOR1 (DINGO_COR+2) /* Dingo Configuration Options Register 1 */
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#define DINGO_DCOR2 (DINGO_COR+4) /* Dingo Configuration Options Register 2 */
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#define DINGO_DCOR3 (DINGO_COR+6) /* Dingo Configuration Options Register 3 */
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#define DINGO_DCOR4 (DINGO_COR+8) /* Dingo Configuration Options Register 4 */
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/* DINGO_DCOR0 bits */
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#define DINGO_DCOR0_SF_INT 0x01 /* 1 = Enable 2ndF interrupts (alternate to SFCOR:2) */
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#define DINGO_DCOR0_DECODE 0x04 /* 1 = Decode 2ndF interrupts in Dingo, else in 2ndF */
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#define DINGO_DCOR0_BUS 0x08 /* 1 = 2ndF bus is ISA, else PCMCIA */
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#define DINGO_DCOR0_LED3_POWER 0x10 /* 1 = Drive LED3 line from SFCSR:2 */
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#define DINGO_DCOR0_LED3_RESET 0x20 /* 1 = Drive LED3 line from SFCOR:7 */
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#define DINGO_DCOR0_MR_POWER 0x40 /* 1 = Drive MRESET line from SFCSR:2 */
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#define DINGO_DCOR0_MR_RESET 0x80 /* 1 = Drive MRESET line from SFCOR:7 */
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/* DINGO_DCOR1 bits */
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#define DINGO_DCOR1_INT_STSCHG 0x01 /* 1 = Route 2ndF interrupts to -STSCHG (alternate to SFCOR:5) */
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#define DINGO_DCOR1_MSTSCHG 0x02 /* 1 = Route 2ndF -MSTSCHG line to -STSCHG */
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#define DINGO_DCOR1_EEDIO 0x04 /* 1 = Use EEDIO pin as data line 6 to 2ndF */
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#define DINGO_DCOR1_INT_LEVEL 0x08 /* 1 = Force level-triggered interrupts from 2ndF */
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#define DINGO_DCOR1_SHADOW_CSR 0x10 /* Reserved, always write 0 */
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#define DINGO_DCOR1_SHADOW_IOB 0x20 /* Reserved, always write 0 */
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#define DINGO_DCOR1_CSR_WAIT 0xC0 /* Reserved, always write 0 */
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#define DINGO_DCOR1_CSR_SHIFT 0x06
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/* DINGO_DCOR2 bits */
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#define DINGO_DCOR2_SHM_BASE 0x0f /* Bits 15-12 of Ethernet shared memory window */
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#define DINGO_DCOR2_SHM_SHIFT 0x00
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#define DINGO_DCOR2_SHADOW_COR 0x10 /* Reserved, always write 0 */
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/*
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* DCOR3/DCOR4 configure Dingo to assert -IOIS16 on any access to each pair of
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* ports in the range SFIOB+0 .. SFIOB+31. Each pair can be set individually,
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* eg. DCOR3:0 enables this function on ports SFIOB+0 and SFIOB+1.
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*/
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/*
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* Second function configuration registers
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*/
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#define DINGO_SFCOR (DINGO_2ND+0) /* 2nd Function Configuration Option Register */
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#define DINGO_SFCSR (DINGO_2ND+2) /* 2nd Function Configuration Status Register */
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#define DINGO_SFBAR0 (DINGO_2ND+10) /* 2nd Function Base Address Register bits 7:0 */
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#define DINGO_SFBAR1 (DINGO_2ND+12) /* 2nd Function Base Address Register bits 15:8 */
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#define DINGO_SFILR (DINGO_2ND+18) /* 2nd Function I/O Limit Register */
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/* DINGO_SFCOR bits */
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#define DINGO_SFCOR_SF_ENABLE 0x01 /* 1 = Enable second fuction */
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#define DINGO_SFCOR_IOB_ENABLE 0x02 /* 1 = Enable SFBAR, else use COM_SELECT bits */
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#define DINGO_SFCOR_INT_ENABLE 0x04 /* 1 = Enable second function interrupts */
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#define DINGO_SFCOR_COM_SELECT 0x18 /* 00 = 0x3f8; 01 = 0x2f8; 10 = 0x3e8; 11 = 0x2e8 */
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#define DINGO_SFCOR_COM_SHIFT 0x03
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#define DINGO_SFCOR_IRQ_STSCHG 0x20 /* 1 = Route interrupts to -STSCHG pin, else use -INT pin */
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#define DINGO_SFCOR_IRQ_LEVEL 0x40 /* 1 = Level-triggered interrupts, else edge-triggered */
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#define DINGO_SFCOR_SRESET 0x80 /* 1 = Soft reset second function. Must write to 0 */
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/* DINGO_SFCSR bits */
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#define DINGO_SFCSR_INT_ACK 0x01 /* 1 = Host must acknowledge interrupts (Clear SFCSR_INT bit) */
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#define DINGO_SFCSR_INT 0x02 /* 1 = Interrupt service requested */
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#define DINGO_SFCSR_POWER_DOWN 0x04 /* 1 = Power down second function */
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/*
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* SFBAR0/SFBAR1 set the I/O base address of the second function when
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* SFCOR_IOB_ENABLE is set. 16 significant bits.
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*/
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/*
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* SFILR is a bitmap of address lines 7:0 decoded by the second function
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* device. Eg. a device with 16 ports should write 0x0f to this register.
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*/
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/********************************
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* Ethernet controller registers
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********************************/
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/*
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* Common registers (available from any register page)
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*
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* Note: The EDP is actually 32 bits wide, occupying registers 2-5. In PCMCIA
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* operation we can only access 16 bits at once, through registers 4 & 5.
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*/
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#define XE_CR 0x00 /* Command register (write) */
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#define XE_ESR 0x00 /* Ethernet status register (read) */
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#define XE_PR 0x01 /* Page select register */
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#define XE_EDP 0x04 /* Ethernet data port */
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#define XE_ISR 0x06 /* Ethernet interrupt status register (read) */
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#define XE_GIR 0x07 /* Global interrupt register (Dingo only) */
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/* XE_CR bits */
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#define XE_CR_TX_PACKET 0x01 /* Transmit packet */
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#define XE_CR_SOFT_RESET 0x02 /* Software reset */
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#define XE_CR_ENABLE_INTR 0x04 /* Enable interrupts */
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#define XE_CR_FORCE_INTR 0x08 /* Force an interrupt */
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#define XE_CR_CLEAR_FIFO 0x10 /* Clear FIFO after transmit overrun */
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#define XE_CR_CLEAR_OVERRUN 0x20 /* Clear receive overrun condition */
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#define XE_CR_RESTART_TX 0x40 /* Restart TX after 16 collisions or TX underrun */
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/* XE_ESR bits */
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#define XE_ESR_FULL_PACKET_RX 0x01 /* At least one full packet received */
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#define XE_ESR_PART_PACKET_RX 0x02 /* At least 64 bytes of packet received */
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#define XE_ESR_REJECT_PACKET 0x04 /* Partial packet rejected */
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#define XE_ESR_TX_PENDING 0x08 /* At least one packet waiting to transmit */
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#define XE_ESR_BAD_POLARITY 0x10 /* Bad cable polarity? (CE2 only) */
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#define XE_ESR_MEDIA_SELECT 0x20 /* SSI(?) media select: 1 = Twisted pair; 0 = AUI */
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/* XE_ISR bits */
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#define XE_ISR_TX_OVERFLOW 0x01 /* No space in transmit buffer */
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#define XE_ISR_TX_PACKET 0x02 /* Packet sent successfully */
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#define XE_ISR_MAC_INTR 0x04 /* Some kind of MAC interrupt happened */
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#define XE_ISR_RX_EARLY 0x10 /* Incoming packet in early receive mode */
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#define XE_ISR_RX_PACKET 0x20 /* Complete packet received successfully */
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#define XE_ISR_RX_REJECT 0x40 /* Partial incoming packet rejected by MAC */
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#define XE_ISR_FORCE_INTR 0x80 /* Interrupt forced */
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/* XE_GIR bits */
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#define XE_GIR_ETH_IRQ 0x01 /* Ethernet IRQ pending */
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#define XE_GIR_ETH_MASK 0x02 /* 1 = Mask Ethernet interrupts to host */
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#define XE_GIR_SF_IRQ 0x04 /* Second function IRQ pending */
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#define XE_GIR_SF_MASK 0x08 /* 1 = Mask second function interrupts to host */
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/*
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* Page 0 registers
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*/
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#define XE_TSO 8 /* Transmit space open */
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#define XE_TRS 10 /* Transmit reservation size */
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#define XE_DOR 12 /* Data offset register (write) */
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#define XE_RSR 12 /* Receive status register (read) */
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#define XE_PTR 13 /* Packets transmitted register (read) */
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#define XE_RBC 14 /* Received byte count (read) */
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#define XE_TSO 0x08 /* Transmit space open (17 bits) */
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#define XE_TRS 0x0a /* Transmit reservation size (CE2 only, removed in rev. 1) */
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#define XE_DO 0x0c /* Data offset register (13 bits/3 flags, write) */
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#define XE_RSR 0x0c /* Receive status register (read) */
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#define XE_TPR 0x0d /* Packets transmitted register (read) */
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#define XE_RBC 0x0e /* Received byte count (13 bits/3 flags, read) */
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/*
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* RSR values
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*/
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#define XE_RSR_PHYS_PKT 0x01
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#define XE_RSR_BCAST_PKT 0x02
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#define XE_RSR_LONG_PKT 0x04
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#define XE_RSR_ALIGN_ERR 0x10
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#define XE_RSR_CRC_ERR 0x20
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#define XE_RSR_RX_OK 0x80
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/* XE_DO bits */
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#define XE_DO_OFFSET 0x1fff /* First byte fetched when CHANGE_OFFSET issued */
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#define XE_DO_OFFSET_SHIFT 0x00
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#define XE_DO_CHANGE_OFFSET 0x2000 /* Flush RX FIFO, start fetching from OFFSET */
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#define XE_DO_SHARED_MEM 0x4000 /* Enable shared memory mode */
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#define XE_DO_SKIP_RX_PACKET 0x8000 /* Skip to next packet in buffer memory */
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/* XE_RSR bits */
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#define XE_RSR_PHYS_PACKET 0x01 /* 1 = Physical packet, 0 = Multicast packet */
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#define XE_RSR_BCAST_PACKET 0x02 /* Broadcast packet */
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#define XE_RSR_LONG_PACKET 0x04 /* Packet >1518 bytes */
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#define XE_RSR_ADDR_MATCH 0x08 /* Packet matched one of our node addresses */
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#define XE_RSR_ALIGN_ERROR 0x10 /* Bad alignment? (CE2 only) */
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#define XE_RSR_CRC_ERROR 0x20 /* Incorrect CRC */
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#define XE_RSR_RX_OK 0x80 /* No errors on received packet */
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/* XE_RBC bits */
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#define XE_RBC_BYTE_COUNT 0x1fff /* Bytes received for current packet */
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#define XE_RBC_COUNT_SHIFT 0x00
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#define XE_RBC_FULL_PACKET_RX 0x2000 /* These mirror bits 2:0 of ESR, if ECR:7 is set */
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#define XE_RBC_PART_PACKET_RX 0x4000
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#define XE_RBC_REJECT_PACKET 0x8000
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/*
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* Page 1 registers
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*/
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#define XE_IMR0 12 /* Interrupt mask register, part 1 */
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#define XE_IMR1 13 /* Interrupt mask register, part 2 */
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#define XE_ECR 14 /* Ethernet configuration register */
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#define XE_IMR0 0x0c /* Interrupt mask register 0 */
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#define XE_IMR1 0x0d /* Interrupt mask register 1 (CE2 only) */
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#define XE_ECR 0x0e /* Ethernet configuration register */
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/*
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* ECR values
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*/
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#define XE_ECR_FULL_DUPLEX 0x04
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#define XE_ECR_LONG_TPCABLE 0x08
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#define XE_ECR_NO_POLCOL 0x10
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#define XE_ECR_NO_LINKPULSE 0x20
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#define XE_ECR_NO_AUTOTX 0x40
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/* XE_IMR0 bits */
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#define XE_IMR0_TX_OVERFLOW 0x01 /* Masks for bits in ISR */
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#define XE_IMR0_TX_PACKET 0x02
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#define XE_IMR0_MAC_INTR 0x04
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#define XE_IMR0_RX_EARLY 0x10
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#define XE_IMR0_RX_PACKET 0x20
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#define XE_IMR0_RX_REJECT 0x40
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#define XE_IMR0_FORCE_INTR 0x80
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/* XE_ECR bits */
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#define XE_ECR_EARLY_TX 0x01 /* Enable early transmit mode */
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#define XE_ECR_EARLY_RX 0x02 /* Enable early receive mode */
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#define XE_ECR_FULL_DUPLEX 0x04 /* Enable full-duplex (disable collision detection) */
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#define XE_ECR_LONG_TPCABLE 0x08 /* CE2 only */
|
||||
#define XE_ECR_NO_POL_COL 0x10 /* CE2 only */
|
||||
#define XE_ECR_NO_LINK_PULSE 0x20 /* Don't check/send link pulses (not 10BT compliant) */
|
||||
#define XE_ECR_NO_AUTO_TX 0x40 /* CE2 only */
|
||||
#define XE_ECR_SOFT_COMPAT 0x80 /* Map ESR bits 2:0 to RBC bits 15:13 */
|
||||
|
||||
|
||||
/*
|
||||
* Page 2 registers
|
||||
*/
|
||||
#define XE_RBS 8 /* Receive buffer start */
|
||||
#define XE_LED 10 /* LED configuration register */
|
||||
#define XE_MSR 12 /* Mohawk specfic register (Mohawk = CE3) */
|
||||
#define XE_GPR2 13 /* General purpose register 2 */
|
||||
#define XE_RBS 0x08 /* Receive buffer start (16 bits) */
|
||||
#define XE_LED 0x0a /* LED control register */
|
||||
#define XE_LED3 0x0b /* LED3 control register */
|
||||
#define XE_MSR 0x0c /* Misc. setup register (Mohawk specific register?) */
|
||||
#define XE_GPR2 0x0d /* General purpose register 2 */
|
||||
|
||||
/*
|
||||
* LED function selection:
|
||||
* 000 - Disabled
|
||||
* 001 - Collision activity
|
||||
* 010 - !Collision activity
|
||||
* 011 - 10Mbit link detected
|
||||
* 100 - 100Mbit link detected
|
||||
* 101 - 10/100Mbit link detected
|
||||
* 110 - Automatic assertion
|
||||
* 111 - Transmit activity
|
||||
*/
|
||||
|
||||
/* XE_LED bits */
|
||||
#define XE_LED_LED0_MASK 0x07 /* LED0 function selection */
|
||||
#define XE_LED_LED0_SHIFT 0x00
|
||||
#define XE_LED_LED1_MASK 0x38 /* LED1 function selection */
|
||||
#define XE_LED_LED1_SHIFT 0x03
|
||||
#define XE_LED_LED0_RX 0x40 /* Add receive activity to LED0 */
|
||||
#define XE_LED_LED1_RX 0x80 /* Add receive activity to LED1 */
|
||||
|
||||
/* XE_LED3 bits */
|
||||
#define XE_LED3_MASK 0x07 /* LED3 function selection */
|
||||
#define XE_LED3_SHIFT 0x00
|
||||
#define XE_LED3_RX 0x40 /* Add receive activity to LED3 */
|
||||
|
||||
/* XE_MSR bits */
|
||||
#define XE_MSR_128K_SRAM 0x01 /* Select 128K SRAM */
|
||||
#define XE_MSR_RBS_BIT16 0x02 /* Bit 16 of RBS (only useful with big SRAM) */
|
||||
#define XE_MSR_MII_SELECT 0x08 /* Select MII instead of SSI interface */
|
||||
#define XE_MSR_HASH_TABLE 0x20 /* Enable hash table filtering */
|
||||
|
||||
/* XE_GPR2 bits */
|
||||
#define XE_GPR2_GP3_OUT 0x01 /* Value written to GP3 line */
|
||||
#define XE_GPR2_GP4_OUT 0x02 /* Value written to GP4 line */
|
||||
#define XE_GPR2_GP3_SELECT 0x04 /* 1 = GP3 is output, 0 = GP3 is input */
|
||||
#define XE_GPR2_GP4_SELECT 0x08 /* 1 = GP4 is output, 0 = GP3 is input */
|
||||
#define XE_GPR2_GP3_IN 0x10 /* Value read from GP3 line */
|
||||
#define XE_GPR2_GP4_IN 0x20 /* Value read from GP4 line */
|
||||
|
||||
|
||||
/*
|
||||
* Page 3 registers
|
||||
*/
|
||||
#define XE_TPT 0x0a /* Transmit packet threshold (13 bits) */
|
||||
|
||||
|
||||
/*
|
||||
* Page 4 registers
|
||||
*/
|
||||
#define XE_GPR0 8 /* General purpose register 0 */
|
||||
#define XE_GPR1 9 /* General purpose register 1 */
|
||||
#define XE_BOV 10 /* Bonding version register */
|
||||
#define XE_LMA 12 /* Local memory address */
|
||||
#define XE_LMD 14 /* Local memory data */
|
||||
#define XE_GPR0 0x08 /* General purpose register 0 */
|
||||
#define XE_GPR1 0x09 /* General purpose register 1 */
|
||||
#define XE_BOV 0x0a /* Bonding version register (read) */
|
||||
#define XE_EES 0x0b /* EEPROM control register */
|
||||
#define XE_LMA 0x0c /* Local memory address (CE2 only) */
|
||||
#define XE_LMD 0x0e /* Local memory data (CE2 only) */
|
||||
|
||||
/* XE_GPR0 bits */
|
||||
#define XE_GPR0_GP1_OUT 0x01 /* Value written to GP1 line */
|
||||
#define XE_GPR0_GP2_OUT 0x02 /* Value wirtten to GP2 line */
|
||||
#define XE_GPR0_GP1_SELECT 0x04 /* 1 = GP1 is output, 0 = GP1 is input */
|
||||
#define XE_GPR0_GP2_SELECT 0x08 /* 1 = GP2 is output, 0 = GP2 is input */
|
||||
#define XE_GPR0_GP1_IN 0x10 /* Value read from GP1 line */
|
||||
#define XE_GPR0_GP2_IN 0x20 /* Value read from GP2 line */
|
||||
|
||||
/* XE_GPR1 bits */
|
||||
#define XE_GPR1_POWER_DOWN 0x01 /* Power down analog section (down to 20mA load) */
|
||||
|
||||
/* XE_BOV values */
|
||||
#define XE_BOV_DINGO 0x55 /* Dingo in Dingo mode */
|
||||
#define XE_BOV_MOHAWK 0x41 /* Original Mohawk */
|
||||
#define XE_BOV_MOHAWK_REV1 0x45 /* Rev. 1 Mohawk, or Dingo in Mohawk mode */
|
||||
#define XE_BOV_CEM28 0x11 /* CEM28 */
|
||||
|
||||
/* XE_EES bits */
|
||||
#define XE_EES_SCL_OUTPUT 0x01 /* Value written to SCL line, when MANUAL_ROM set */
|
||||
#define XE_EES_SDA_OUTPUT 0x02 /* Value written to SDA line, when MANUAL_ROM set */
|
||||
#define XE_EES_SDA_INPUT 0x04 /* Value read from SDA line */
|
||||
#define XE_EES_SDA_TRISTATE 0x08 /* 1 = SDA is output, 0 = SDA is input */
|
||||
#define XE_EES_MANUAL_ROM 0x20 /* Enable manual contro of serial EEPROM */
|
||||
|
||||
|
||||
/*
|
||||
* Page 5 registers
|
||||
* Page 5 registers (all read only)
|
||||
*/
|
||||
#define XE_RHS 10 /* Receive host start address */
|
||||
#define XE_CRHA 0x08 /* Current Rx host address (16 bits) */
|
||||
#define XE_RHSA 0x0a /* Rx host start address (16 bits) */
|
||||
#define XE_RNSA 0x0c /* Rx network start address (16 bits) */
|
||||
#define XE_CRNA 0x0e /* Current Rx network address (16 bits) */
|
||||
|
||||
|
||||
/*
|
||||
* Page 6 registers (all read only)
|
||||
*/
|
||||
#define XE_CTHA 0x08 /* Current Tx host address (16 bits) */
|
||||
#define XE_THSA 0x0a /* Tx host start address (16 bits) */
|
||||
#define XE_TNSA 0x0c /* Tx network statr address (16 bits) */
|
||||
#define XE_CTNA 0x0e /* Current Tx network address (16 bits) */
|
||||
|
||||
|
||||
/*
|
||||
* Page 8 registers (all read only)
|
||||
*/
|
||||
#define XE_THBC 0x08 /* Tx host byte count (16 bits) */
|
||||
#define XE_THPS 0x0a /* Tx host packet size (16 bits) */
|
||||
#define XE_TNBC 0x0c /* Tx network byte count (16 bits) */
|
||||
#define XE_TNPS 0x0e /* Tx network packet size (16 bits) */
|
||||
|
||||
|
||||
/*
|
||||
* Page 0x10 registers (all read only)
|
||||
*/
|
||||
#define XE_DINGOID 0x08 /* Dingo ID register (16 bits) (Dingo only) */
|
||||
#define XE_RevID 0x0a /* Dingo revision ID (16 bits) (Dingo only) */
|
||||
#define XE_VendorID 0x0c /* Dingo vendor ID (16 bits) (Dingo only) */
|
||||
|
||||
/* Values for the above registers */
|
||||
#define XE_DINGOID_DINGO3 0x444b /* In both Dingo and Mohawk modes */
|
||||
#define XE_RevID_DINGO3 0x0001
|
||||
#define XE_VendorID_DINGO3 0x0041
|
||||
|
||||
|
||||
/*
|
||||
* Page 0x40 registers
|
||||
*/
|
||||
#define XE_OCR 8 /* The Other command register */
|
||||
#define XE_RXS0 9 /* Receive status 0 */
|
||||
#define XE_TXS0 11 /* Transmit status 0 */
|
||||
#define XE_TXS1 12 /* Transmit status 1 */
|
||||
#define XE_RXM0 13 /* Receive mask register 0 */
|
||||
#define XE_TXM0 14 /* Transmit mask register 0 */
|
||||
#define XE_TXM1 15 /* Transmit mask register 1 */
|
||||
#define XE_CMD0 0x08 /* MAC Command register (write) */
|
||||
#define XE_RST0 0x09 /* Receive status register */
|
||||
#define XE_TXST0 0x0b /* Transmit status register 0 */
|
||||
#define XE_TXST1 0x0c /* Transmit status register 1 */
|
||||
#define XE_RX0Msk 0x0d /* Receive status mask register */
|
||||
#define XE_TX0Msk 0x0e /* Transmit status 0 mask register */
|
||||
#define XE_TX1Msk 0x0f /* Transmit status 1 mask register */
|
||||
|
||||
/*
|
||||
* OCR values
|
||||
*/
|
||||
#define XE_OCR_TX 0x01
|
||||
#define XE_OCR_RX_ENABLE 0x04
|
||||
#define XE_OCR_RX_DISABLE 0x08
|
||||
#define XE_OCR_ABORT 0x10
|
||||
#define XE_OCR_ONLINE 0x20
|
||||
#define XE_OCR_ACK_INTR 0x40
|
||||
#define XE_OCR_OFFLINE 0x80
|
||||
/* CMD0 bits */
|
||||
#define XE_CMD0_TX 0x01 /* CE2 only */
|
||||
#define XE_CMD0_RX_ENABLE 0x04 /* Enable receiver */
|
||||
#define XE_CMD0_RX_DISABLE 0x08 /* Disable receiver */
|
||||
#define XE_CMD0_ABORT 0x10 /* CE2 only */
|
||||
#define XE_CMD0_ONLINE 0x20 /* Take MAC online */
|
||||
#define XE_CMD0_ACK_INTR 0x40 /* CE2 only */
|
||||
#define XE_CMD0_OFFLINE 0x80 /* Take MAC offline */
|
||||
|
||||
/* RST0 bits */
|
||||
#define XE_RST0_LONG_PACKET 0x02 /* Packet received with >1518 and <8184 bytes */
|
||||
#define XE_RST0_CRC_ERROR 0x08 /* Packet received with incorrect CRC */
|
||||
#define XE_RST0_RX_OVERRUN 0x10 /* Receiver overrun, byte(s) dropped */
|
||||
#define XE_RST0_RX_ENABLE 0x20 /* Receiver enabled */
|
||||
#define XE_RST0_RX_ABORT 0x40 /* Receive aborted: CRC, FIFO overrun or addr mismatch */
|
||||
#define XE_RST0_RX_OK 0x80 /* Complete packet received OK */
|
||||
|
||||
/* TXST0 bits */
|
||||
#define XE_TXST0_NO_CARRIER 0x01 /* Lost carrier. Only valid in 10Mbit half-duplex */
|
||||
#define XE_TXST0_16_COLLISIONS 0x02 /* Packet aborted after 16 collisions */
|
||||
#define XE_TXST0_TX_UNDERRUN 0x08 /* MAC ran out of data to send */
|
||||
#define XE_TXST0_LATE_COLLISION 0x10 /* Collision later than 512 bits */
|
||||
#define XE_TXST0_SQE_FAIL 0x20 /* SQE test failed. */
|
||||
#define XE_TXST0_TX_ABORT 0x40 /* Transmit aborted: collisions, underrun or overrun */
|
||||
#define XE_TXST0_TX_OK 0x80 /* Complete packet sent OK */
|
||||
|
||||
/* TXST1 bits */
|
||||
#define XE_TXST1_RETRY_COUNT 0x0f /* Collision counter for current packet */
|
||||
#define XE_TXST1_LINK_STATUS 0x10 /* Valid link status */
|
||||
|
||||
/* RX0Msk bits */
|
||||
#define XE_RX0M_LONG_PACKET 0x02 /* Masks for bits in RXST0 */
|
||||
#define XE_RX0M_ALIGN_ERROR 0x04 /* Alignment error (CE2 only) */
|
||||
#define XE_RX0M_CRC_ERROR 0x08
|
||||
#define XE_RX0M_RX_OVERRUN 0x10
|
||||
#define XE_RX0M_RX_ABORT 0x40
|
||||
#define XE_RX0M_RX_OK 0x80
|
||||
|
||||
/* TX0Msk bits */
|
||||
#define XE_TX0M_NO_CARRIER 0x01 /* Masks for bits in TXST0 */
|
||||
#define XE_TX0M_16_COLLISIONS 0x02
|
||||
#define XE_TX0M_TX_UNDERRUN 0x08
|
||||
#define XE_TX0M_LATE_COLLISION 0x10
|
||||
#define XE_TX0M_SQE_FAIL 0x20
|
||||
#define XE_TX0M_TX_ABORT 0x40
|
||||
#define XE_TX0M_TX_OK 0x80
|
||||
|
||||
/* TX1Msk bits */
|
||||
#define XE_TX1M_PKTDEF 0x20
|
||||
|
||||
|
||||
/*
|
||||
* Page 0x42 registers
|
||||
*/
|
||||
#define XE_SWC0 8 /* Software configuration register 0 */
|
||||
#define XE_SWC1 9 /* Software configuration register 1 */
|
||||
#define XE_BOC 10 /* Back-off configuration */
|
||||
#define XE_SWC0 0x08 /* Software configuration 0 */
|
||||
#define XE_SWC1 0x09 /* Software configuration 1 */
|
||||
#define XE_BOC 0x0a /* Back-off configuration */
|
||||
#define XE_TCD 0x0b /* Transmit collision deferral */
|
||||
|
||||
/* SWC0 bits */
|
||||
#define XE_SWC0_LOOPBACK_ENABLE 0x01 /* Enable loopback operation */
|
||||
#define XE_SWC0_LOOPBACK_SOURCE 0x02 /* 1 = Transceiver, 0 = MAC */
|
||||
#define XE_SWC0_ACCEPT_ERROR 0x04 /* Accept otherwise OK packets with CRC errors */
|
||||
#define XE_SWC0_ACCEPT_SHORT 0x08 /* Accept otherwise OK packets that are too short */
|
||||
#define XE_SWC0_NO_CRC_INSERT 0x40 /* Don't add CRC to outgoing packets */
|
||||
|
||||
/* SWC1 bits */
|
||||
#define XE_SWC1_IA_ENABLE 0x01 /* Enable individual address filters */
|
||||
#define XE_SWC1_ALLMULTI 0x02 /* Accept all multicast packets */
|
||||
#define XE_SWC1_PROMISCUOUS 0x04 /* Accept all non-multicast packets */
|
||||
#define XE_SWC1_BCAST_DISABLE 0x08 /* Reject broadcast packets */
|
||||
#define XE_SWC1_MEDIA_SELECT 0x40 /* AUI media select (Mohawk only) */
|
||||
#define XE_SWC1_AUTO_MEDIA 0x80 /* Auto media select (Mohawk only) */
|
||||
|
||||
|
||||
/*
|
||||
* Page 0x44 registers
|
||||
* Page 0x44 registers (CE2 only)
|
||||
*/
|
||||
#define XE_TDR0 8 /* Time domain reflectometry register 0 */
|
||||
#define XE_TDR1 9 /* Time domain reflectometry register 1 */
|
||||
#define XE_RXC0 10 /* Receive byte count low */
|
||||
#define XE_RXC1 11 /* Receive byte count high */
|
||||
#define XE_TDR0 0x08 /* Time domain reflectometry register 0 */
|
||||
#define XE_TDR1 0x09 /* Time domain reflectometry register 1 */
|
||||
#define XE_RXC0 0x0a /* Receive byte count low */
|
||||
#define XE_RXC1 0x0b /* Receive byte count high */
|
||||
|
||||
|
||||
/*
|
||||
* Page 0x45 registers
|
||||
* Page 0x45 registers (CE2 only)
|
||||
*/
|
||||
#define XE_REV 15 /* Revision (read) */
|
||||
#define XE_REV 0x0f /* Revision (read) */
|
||||
|
||||
|
||||
/*
|
||||
* Page 0x50 registers
|
||||
*/
|
||||
#define XE_IAR 8 /* Individual address register */
|
||||
|
||||
|
||||
/*
|
||||
* Pages 0x43, 0x46-0x4f and 0x51-0x5e apparently don't exist.
|
||||
* The remainder of 0x0-0x8 and 0x40-0x5f exist, but I have no
|
||||
* idea what's on most of them.
|
||||
*/
|
||||
|
||||
|
||||
|
||||
/*
|
||||
* Definitions for the Micro Linear ML6692 100Base-TX PHY, which handles the
|
||||
* 100Mbit functionality of CE3 type cards, including media autonegotiation.
|
||||
* It appears to be mostly compatible with the National Semiconductor
|
||||
* DP83840A, but with a much smaller register set. Please refer to the data
|
||||
* sheets for these devices for the definitive word on what all this stuff
|
||||
* means :)
|
||||
* Page 0x50-0x57: Individual address 0-9
|
||||
*
|
||||
* Note that the ML6692 has no 10Mbit capability -- that is handled by another
|
||||
* chip that we don't know anything about.
|
||||
* Used to filter incoming packets by matching against individual node
|
||||
* addresses. If IA matching is enabled (SWC1, bit0) any incoming packet with
|
||||
* a destination matching one of these 10 addresses will be received. IA0 is
|
||||
* always enabled and usually matches the card's unique address.
|
||||
*
|
||||
* Most of these definitions were adapted from the xl driver.
|
||||
* Addresses are stored LSB first, ie. IA00 (reg. 8 on page 0x50) contains the
|
||||
* LSB of IA0, and so on. The data is stored contiguously, in that addresses
|
||||
* can be broken across page boundaries. That is:
|
||||
*
|
||||
* Reg: 50/8 50/9 50/a 50/b 50/c 50/d 50/e 50/f 51/8 51/9 ... 57/a 57/b
|
||||
* IA00 IA01 IA02 IA03 IA04 IA05 IA10 IA11 IA12 IA13 ... IA94 IA95
|
||||
*/
|
||||
|
||||
/*
|
||||
* Masks for the MII-related bits in GPR2. For some reason read and write
|
||||
* data are on separate bits.
|
||||
* Page 0x58: Multicast hash table filter
|
||||
*
|
||||
* In case the 10 individual addresses aren't enough, we also have a multicast
|
||||
* hash filter, enabled through MSR:5. The most significant six bits of the
|
||||
* CRC on each incoming packet are reversed and used as an index into the 64
|
||||
* bits of the hash table. If the appropriate bit is set the packet it
|
||||
* received, although higher layers may still need to filter it out. The CRC
|
||||
* calculation is as follows:
|
||||
*
|
||||
* crc = 0xffffffff;
|
||||
* poly = 0x04c11db6;
|
||||
* for (i = 0; i < 6; i++) {
|
||||
* current = mcast_addr[i];
|
||||
* for (k = 1; k <= 8; k++) {
|
||||
* if (crc & 0x80000000);
|
||||
* crc31 = 0x01;
|
||||
* else
|
||||
* crc31 = 0;
|
||||
* bit = crc31 ^ (current & 0x01);
|
||||
* crc <<= 1;
|
||||
* current >>= 1;
|
||||
* if (bit)
|
||||
* crc = (crc ^ poly)|1
|
||||
* }
|
||||
* }
|
||||
*/
|
||||
#define XE_MII_CLK 0x01
|
||||
#define XE_MII_DIR 0x08
|
||||
#define XE_MII_WRD 0x02
|
||||
#define XE_MII_RDD 0x20
|
||||
|
||||
|
||||
|
||||
/****************
|
||||
* MII registers
|
||||
****************/
|
||||
|
||||
/*
|
||||
* Basic MII-compliant PHY register definitions. According to the Dingo spec,
|
||||
* PHYs from (at least) MicroLinear, National Semiconductor, ICS, TDK and
|
||||
* Quality Semiconductor have been used. These apparently all come up with
|
||||
* PHY ID 0x00 unless the "interceptor module" on the Dingo 3 is in use. With
|
||||
* the interceptor enabled, the PHY is faked up to look like an ICS unit with
|
||||
* ID 0x16. The interceptor can be enabled/disabled in software.
|
||||
*
|
||||
* The ML6692 (and maybe others) doesn't have a 10Mbps mode -- this is handled
|
||||
* by an internal 10Mbps transceiver that we know nothing about... some cards
|
||||
* seem to work with the MII in 10Mbps mode, so I guess some PHYs must support
|
||||
* it. The question is, how can you figure out which one you have? Just to
|
||||
* add to the fun there are also 10Mbps _only_ Mohawk/Dingo cards. Aaargh!
|
||||
*/
|
||||
|
||||
/*
|
||||
* Masks for the MII-related bits in GPR2
|
||||
*/
|
||||
#define XE_MII_CLK XE_GPR2_GP3_OUT
|
||||
#define XE_MII_DIR XE_GPR2_GP4_SELECT
|
||||
#define XE_MII_WRD XE_GPR2_GP4_OUT
|
||||
#define XE_MII_RDD XE_GPR2_GP4_IN
|
||||
|
||||
/*
|
||||
* MII PHY ID register values
|
||||
*/
|
||||
#define PHY_ID_ML6692 0x0000 /* MicroLinear ML6692? Or unknown */
|
||||
#define PHY_ID_ICS1890 0x0015 /* ICS1890 */
|
||||
#define PHY_ID_QS6612 0x0181 /* Quality QS6612 */
|
||||
#define PHY_ID_DP83840 0x2000 /* National DP83840 */
|
||||
|
||||
/*
|
||||
* MII command (etc) bit strings.
|
||||
@ -236,10 +626,13 @@
|
||||
*/
|
||||
#define PHY_BMCR 0x00 /* Basic Mode Control Register */
|
||||
#define PHY_BMSR 0x01 /* Basic Mode Status Register */
|
||||
#define PHY_ID1 0x02 /* PHY ID 1 */
|
||||
#define PHY_ID2 0x03 /* PHY ID 2 */
|
||||
#define PHY_ANAR 0x04 /* Auto-Negotiation Advertisment Register */
|
||||
#define PHY_LPAR 0x05 /* Auto-Negotiation Link Partner Ability Register */
|
||||
#define PHY_ANER 0x06 /* Auto-Negotiation Expansion Register */
|
||||
|
||||
/* BMCR bits */
|
||||
#define PHY_BMCR_RESET 0x8000 /* Soft reset PHY. Self-clearing */
|
||||
#define PHY_BMCR_LOOPBK 0x4000 /* Enable loopback */
|
||||
#define PHY_BMCR_SPEEDSEL 0x2000 /* 1=100Mbps, 0=10Mbps */
|
||||
@ -249,6 +642,7 @@
|
||||
#define PHY_BMCR_DUPLEX 0x0100 /* Full duplex operation */
|
||||
#define PHY_BMCR_COLLTEST 0x0080 /* Enable collision test */
|
||||
|
||||
/* BMSR bits */
|
||||
#define PHY_BMSR_100BT4 0x8000 /* 100Base-T4 capable */
|
||||
#define PHY_BMSR_100BTXFULL 0x4000 /* 100Base-TX full duplex capable */
|
||||
#define PHY_BMSR_100BTXHALF 0x2000 /* 100Base-TX half duplex capable */
|
||||
@ -259,6 +653,7 @@
|
||||
#define PHY_BMSR_LINKSTAT 0x0004 /* Link is up */
|
||||
#define PHY_BMSR_EXTENDED 0x0001 /* Extended register capabilities */
|
||||
|
||||
/* ANAR bits */
|
||||
#define PHY_ANAR_NEXTPAGE 0x8000 /* Additional link code word pages */
|
||||
#define PHY_ANAR_TLRFLT 0x2000 /* Remote wire fault detected */
|
||||
#define PHY_ANAR_100BT4 0x0200 /* 100Base-T4 capable */
|
||||
@ -271,7 +666,11 @@
|
||||
#define PHY_ANAR_PROTO2 0x0004
|
||||
#define PHY_ANAR_PROTO1 0x0002
|
||||
#define PHY_ANAR_PROTO0 0x0001
|
||||
#define PHY_ANAR_8023 PHY_ANAR_PROTO0
|
||||
#define PHY_ANAR_DINGO PHY_ANAR_100BT+PHY_ANAR_10BT_FD+PHY_ANAR_10BT+PHY_ANAR_8023
|
||||
#define PHY_ANAR_MOHAWK PHY_ANAR_100BT+PHY_ANAR_10BT_FD+PHY_ANAR_10BT+PHY_ANAR_8023
|
||||
|
||||
/* LPAR bits */
|
||||
#define PHY_LPAR_NEXTPAGE 0x8000 /* Additional link code word pages */
|
||||
#define PHY_LPAR_LPACK 0x4000 /* Link partner acknowledged receipt */
|
||||
#define PHY_LPAR_TLRFLT 0x2000 /* Remote wire fault detected */
|
||||
@ -286,6 +685,7 @@
|
||||
#define PHY_LPAR_PROTO1 0x0002
|
||||
#define PHY_LPAR_PROTO0 0x0001
|
||||
|
||||
/* ANER bits */
|
||||
#define PHY_ANER_MLFAULT 0x0010 /* More than one link is up! */
|
||||
#define PHY_ANER_LPNPABLE 0x0008 /* Link partner supports next page */
|
||||
#define PHY_ANER_NPABLE 0x0004 /* Local port supports next page */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user