347 lines
15 KiB
C
347 lines
15 KiB
C
/* $NetBSD: hpcreg.h,v 1.5 2002/03/13 13:12:27 simonb Exp $ */
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/*
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* Copyright (c) 2001 Rafal K. Boni
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _ARCH_SGIMIPS_HPC_HPCREG_H_
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#define _ARCH_SGIMIPS_HPC_HPCREG_H_
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struct hpc_dma_desc {
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u_int32_t hdd_bufptr; /* Physical address of buffer */
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u_int32_t hdd_ctl; /* Control flags and byte count */
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u_int32_t hdd_descptr; /* Physical address of next descr. */
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u_int32_t hdd_pad; /* Pad out to quadword alignment */
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};
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/*
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* Control flags
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*/
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#define HDD_CTL_EOCHAIN 0x80000000 /* End of descriptor chain */
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#define HDD_CTL_EOPACKET 0x40000000 /* Ethernet: end of packet */
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#define HDD_CTL_INTR 0x20000000 /* Interrupt when finished */
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#define HDD_CTL_XMITDONE 0x00008000 /* Ethernet transmit done */
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#define HDD_CTL_OWN 0x00004000 /* CPU owns this frame */
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#define HDD_CTL_BYTECNT(x) ((x) & 0x3fff) /* Byte count: for ethernet
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* rcv channel also doubles as
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* length of packet received
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*/
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/*
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* HPC memory map, as offsets from HPC base
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*
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* XXXrkb: should each section be used as a base and have the specific
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* registers offset from there??
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*
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* XXX: define register values as well as their offsets.
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*
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*/
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#define HPC_PBUS_DMAREGS 0x00000000 /* DMA registers for PBus */
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#define HPC_PBUS_DMAREGS_SIZE 0x0000ffff /* channels 0 - 7 */
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#define HPC_PBUS_CH0_BP 0x00000004 /* Chan 0 Buffer Ptr */
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#define HPC_PBUS_CH0_DP 0x00000008 /* Chan 0 Descriptor Ptr */
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#define HPC_PBUS_CH0_CTL 0x00001000 /* Chan 0 Control Register */
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#define HPC_PBUS_CH1_BP 0x00002004 /* Chan 1 Buffer Ptr */
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#define HPC_PBUS_CH1_DP 0x00002008 /* Chan 1 Descriptor Ptr */
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#define HPC_PBUS_CH1_CTL 0x00003000 /* Chan 1 Control Register */
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#define HPC_PBUS_CH2_BP 0x00004004 /* Chan 2 Buffer Ptr */
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#define HPC_PBUS_CH2_DP 0x00004008 /* Chan 2 Descriptor Ptr */
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#define HPC_PBUS_CH2_CTL 0x00005000 /* Chan 2 Control Register */
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#define HPC_PBUS_CH3_BP 0x00006004 /* Chan 3 Buffer Ptr */
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#define HPC_PBUS_CH3_DP 0x00006008 /* Chan 3 Descriptor Ptr */
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#define HPC_PBUS_CH3_CTL 0x00007000 /* Chan 3 Control Register */
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#define HPC_PBUS_CH4_BP 0x00008004 /* Chan 4 Buffer Ptr */
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#define HPC_PBUS_CH4_DP 0x00008008 /* Chan 4 Descriptor Ptr */
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#define HPC_PBUS_CH4_CTL 0x00009000 /* Chan 4 Control Register */
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#define HPC_PBUS_CH5_BP 0x0000a004 /* Chan 5 Buffer Ptr */
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#define HPC_PBUS_CH5_DP 0x0000a008 /* Chan 5 Descriptor Ptr */
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#define HPC_PBUS_CH5_CTL 0x0000b000 /* Chan 5 Control Register */
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#define HPC_PBUS_CH6_BP 0x0000c004 /* Chan 6 Buffer Ptr */
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#define HPC_PBUS_CH6_DP 0x0000c008 /* Chan 6 Descriptor Ptr */
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#define HPC_PBUS_CH6_CTL 0x0000d000 /* Chan 6 Control Register */
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#define HPC_PBUS_CH7_BP 0x0000e004 /* Chan 7 Buffer Ptr */
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#define HPC_PBUS_CH7_DP 0x0000e008 /* Chan 7 Descriptor Ptr */
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#define HPC_PBUS_CH7_CTL 0x0000f000 /* Chan 7 Control Register */
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#define HPC_SCSI0_REGS 0x00010000 /* SCSI channel 0 registers */
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#define HPC_SCSI0_REGS_SIZE 0x00001fff
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#define HPC_SCSI0_CBP 0x00000000 /* Current buffer ptr */
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#define HPC_SCSI0_NDBP 0x00000004 /* Next descriptor ptr */
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#define HPC_SCSI0_BC 0x00001000 /* DMA byte count & flags */
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#define HPC_SCSI0_CTL 0x00001004 /* DMA control flags */
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#define HPC_SCSI0_GIO 0x00001008 /* GIO DMA FIFO pointer */
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#define HPC_SCSI0_DEV 0x0000100c /* Device DMA FIFO pointer */
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#define HPC_SCSI0_DMACFG 0x00001010 /* DMA configururation */
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#define HPC_SCSI0_PIOCFG 0x00001014 /* PIO configururation */
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#define HPC_SCSI1_REGS 0x00012000 /* SCSI channel 1 registers */
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#define HPC_SCSI1_REGS_SIZE 0x00001fff
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#define HPC_SCSI1_CBP 0x00000000 /* Current buffer ptr */
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#define HPC_SCSI1_NDBP 0x00000004 /* Next descriptor ptr */
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#define HPC_SCSI1_BC 0x00001000 /* DMA byte count & flags */
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#define HPC_SCSI1_CTL 0x00001004 /* DMA control flags */
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#define HPC_SCSI1_GIO 0x00001008 /* GIO DMA FIFO pointer */
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#define HPC_SCSI1_DEV 0x0000100c /* Device DMA FIFO pointer */
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#define HPC_SCSI1_DMACFG 0x00001010 /* DMA configururation */
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#define HPC_SCSI1_PIOCFG 0x00001014 /* PIO configururation */
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#define HPC_DMACTL_IRQ 0x01 /* IRQ asserted, either dma done or parity */
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#define HPC_DMACTL_ENDIAN 0x02 /* DMA endian mode, 0=BE, 1=LE */
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#define HPC_DMACTL_DIR 0x04 /* DMA direction, 0=dev->mem, 1=mem->dev */
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#define HPC_DMACTL_FLUSH 0x08 /* Flush DMA FIFO's */
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#define HPC_DMACTL_ACTIVE 0x10 /* DMA channel is active */
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#define HPC_DMACTL_AMASK 0x20 /* DMA active inhibits PIO */
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#define HPC_DMACTL_RESET 0x40 /* Resets dma channel and external controller */
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#define HPC_DMACTL_PERR 0x80 /* Parity error on interface to controller */
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#define HPC_ENET_REGS 0x00014000 /* Ethernet registers */
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#define HPC_ENET_REGS_SIZE 0x00003fff
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#define HPC_ENETR_CBP 0x00000000 /* Recv: Current buffer ptr */
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#define HPC_ENETR_NDBP 0x00000004 /* Recv: Next descriptor ptr */
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#define HPC_ENETR_BC 0x00001000 /* Recv: DMA byte cnt/flags */
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#define HPC_ENETR_CTL 0x00001004 /* Recv: DMA control flags */
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#define ENETR_CTL_STAT_5_0 0x003f /* Seeq irq status: bits 0-5 */
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#define ENETR_CTL_STAT_6 0x0040 /* Irq status: late_rxdc */
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#define ENETR_CTL_STAT_7 0x0080 /* Irq status: old/new bit */
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#define ENETR_CTL_LENDIAN 0x0100 /* DMA channel endian mode */
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#define ENETR_CTL_ACTIVE 0x0200 /* DMA channel active? */
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#define ENETR_CTL_ACTIVE_MSK 0x0400 /* DMA channel active? */
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#define ENETR_CTL_RBO 0x0800 /* Recv buffer overflow */
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#define HPC_ENETR_GIO 0x00001008 /* Recv: GIO DMA FIFO ptr */
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#define HPC_ENETR_DEV 0x0000100c /* Recv: Device DMA FIFO ptr */
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#define HPC_ENETR_RESET 0x00001014 /* Recv: Ethernet chip reset */
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#define ENETR_RESET_CH 0x0001 /* Reset controller & chan */
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#define ENETR_RESET_CLRINT 0x0002 /* Clear channel interrupt */
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#define ENETR_RESET_LOOPBK 0x0004 /* External loopback enable */
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#define ENETR_RESET_CLRRBO 0x0008 /* Clear RBO condition (??) */
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#define HPC_ENETR_DMACFG 0x00001018 /* Recv: DMA configururation */
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#define ENETR_DMACFG_D1 0x0000f /* DMA D1 state cycles */
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#define ENETR_DMACFG_D2 0x000f0 /* DMA D2 state cycles */
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#define ENETR_DMACFG_D3 0x00f00 /* DMA D3 state cycles */
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#define ENETR_DMACFG_WRCTL 0x01000 /* Enable IPG write */
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/*
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* The following three bits work around bugs in the Seeq 8003; if you
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* don't set them, the Seeq gets wonky pretty often.
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*/
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#define ENETR_DMACFG_FIX_RXDC 0x02000 /* Clear EOP bits on RXDC */
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#define ENETR_DMACFG_FIX_EOP 0x04000 /* Enable rxintr timeout */
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#define ENETR_DMACFG_FIX_INTR 0x08000 /* Enable EOP timeout */
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#define ENETR_DMACFG_TIMO 0x30000 /* Timeout for above two */
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#define HPC_ENETR_PIOCFG 0x0000101c /* Recv: PIO configururation */
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#define HPC_ENETX_CBP 0x00002000 /* Xmit: Current buffer ptr */
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#define HPC_ENETX_NDBP 0x00002004 /* Xmit: Next descriptor ptr */
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#define HPC_ENETX_BC 0x00003000 /* Xmit: DMA byte cnt/flags */
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#define HPC_ENETX_CTL 0x00003004 /* Xmit: DMA control flags */
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#define ENETX_CTL_STAT_5_0 0x003f /* Seeq irq status: bits 0-5 */
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#define ENETX_CTL_STAT_6 0x0040 /* Irq status: late_rxdc */
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#define ENETX_CTL_STAT_7 0x0080 /* Irq status: old/new bit */
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#define ENETX_CTL_LENDIAN 0x0100 /* DMA channel endian mode */
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#define ENETX_CTL_ACTIVE 0x0200 /* DMA channel active? */
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#define ENETX_CTL_ACTIVE_MSK 0x0400 /* DMA channel active? */
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#define ENETX_CTL_RBO 0x0800 /* Recv buffer overflow */
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#define HPC_ENETX_GIO 0x00003008 /* Xmit: GIO DMA FIFO ptr */
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#define HPC_ENETX_DEV 0x0000300c /* Xmit: Device DMA FIFO ptr */
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#define HPC_PBUS_FIFO 0x00020000 /* PBus DMA FIFO */
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#define HPC_PBUS_FIFO_SIZE 0x00007fff /* PBus DMA FIFO size */
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#define HPC_SCSI0_FIFO 0x00028000 /* SCSI0 DMA FIFO */
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#define HPC_SCSI0_FIFO_SIZE 0x00001fff /* SCSI0 DMA FIFO size */
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#define HPC_SCSI1_FIFO 0x0002a000 /* SCSI1 DMA FIFO */
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#define HPC_SCSI1_FIFO_SIZE 0x00001fff /* SCSI1 DMA FIFO size */
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#define HPC_ENETR_FIFO 0x0002c000 /* Ether recv DMA FIFO */
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#define HPC_ENETR_FIFO_SIZE 0x00001fff /* Ether recv DMA FIFO size */
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#define HPC_ENETX_FIFO 0x0002e000 /* Ether xmit DMA FIFO */
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#define HPC_ENETX_FIFO_SIZE 0x00001fff /* Ether xmit DMA FIFO size */
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/*
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* HPCBUG: The interrupt status is split amongst two registers, and they're
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* not even consecutive in the HPC address space. This is documented as a
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* bug by SGI.
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*/
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#define HPC_INTRSTAT_40 0x00030000 /* Interrupt stat, bits 4:0 */
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#define HPC_INTRSTAT_95 0x0003000c /* Interrupt stat, bits 9:5 */
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#define HPC_GIO_MISC 0x00030004 /* GIO64 misc register */
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#define HPC_EEPROM_DATA 0x00030008 /* Serial EEPROM data reg. */
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#define HPC_GIO_BUSERR 0x00030010 /* GIO64 bus error intr stat */
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#define HPC_SCSI0_DEVREGS 0x00044000 /* SCSI channel 0 chip regs */
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#define HPC_SCSI0_DEVREGS_SIZE 0x000003ff /* Size of chip registers */
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#define HPC_SCSI1_DEVREGS 0x0004c000 /* SCSI channel 1 chip regs */
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#define HPC_SCSI1_DEVREGS_SIZE 0x000003ff /* Size of chip registers */
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#define HPC_ENET_DEVREGS 0x00054000 /* Ethernet chip registers */
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#define HPC_ENET_DEVREGS_SIZE 0x000004ff /* Size of chip registers */
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#define HPC_PBUS_DEVREGS 0x00054000 /* PBus PIO chip registers */
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#define HPC_PBUS_DEVREGS_SIZE 0x000003ff /* PBus PIO chip registers */
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#define HPC_PBUS_CH0_DEVREGS 0x00058000 /* PBus ch. 0 chip registers */
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#define HPC_PBUS_CH0_DEVREGS_SIZE 0x03ff
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#define HPC_PBUS_CH1_DEVREGS 0x00058400 /* PBus ch. 1 chip registers */
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#define HPC_PBUS_CH1_DEVREGS_SIZE 0x03ff
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#define HPC_PBUS_CH2_DEVREGS 0x00058800 /* PBus ch. 2 chip registers */
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#define HPC_PBUS_CH2_DEVREGS_SIZE 0x03ff
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#define HPC_PBUS_CH3_DEVREGS 0x00058c00 /* PBus ch. 3 chip registers */
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#define HPC_PBUS_CH3_DEVREGS_SIZE 0x03ff
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#define HPC_PBUS_CH4_DEVREGS 0x00059000 /* PBus ch. 4 chip registers */
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#define HPC_PBUS_CH4_DEVREGS_SIZE 0x03ff
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#define HPC_PBUS_CH5_DEVREGS 0x00059400 /* PBus ch. 5 chip registers */
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#define HPC_PBUS_CH5_DEVREGS_SIZE 0x03ff
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#define HPC_PBUS_CH6_DEVREGS 0x00059800 /* PBus ch. 6 chip registers */
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#define HPC_PBUS_CH6_DEVREGS_SIZE 0x03ff
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#define HPC_PBUS_CH7_DEVREGS 0x00059c00 /* PBus ch. 7 chip registers */
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#define HPC_PBUS_CH7_DEVREGS_SIZE 0x03ff
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#define HPC_PBUS_CH8_DEVREGS 0x0005a000 /* PBus ch. 8 chip registers */
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#define HPC_PBUS_CH8_DEVREGS_SIZE 0x03ff
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#define HPC_PBUS_CH9_DEVREGS 0x0005a400 /* PBus ch. 9 chip registers */
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#define HPC_PBUS_CH9_DEVREGS_SIZE 0x03ff
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#define HPC_PBUS_CH8_DEVREGS_2 0x0005a800 /* PBus ch. 8 chip registers */
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#define HPC_PBUS_CH8_DEVREGS_2_SIZE 0x03ff
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#define HPC_PBUS_CH9_DEVREGS_2 0x0005ac00 /* PBus ch. 9 chip registers */
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#define HPC_PBUS_CH9_DEVREGS_2_SIZE 0x03ff
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#define HPC_PBUS_CH8_DEVREGS_3 0x0005b000 /* PBus ch. 8 chip registers */
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#define HPC_PBUS_CH8_DEVREGS_3_SIZE 0x03ff
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#define HPC_PBUS_CH9_DEVREGS_3 0x0005b400 /* PBus ch. 9 chip registers */
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#define HPC_PBUS_CH9_DEVREGS_3_SIZE 0x03ff
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#define HPC_PBUS_CH8_DEVREGS_4 0x0005b800 /* PBus ch. 8 chip registers */
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#define HPC_PBUS_CH8_DEVREGS_4_SIZE 0x03ff
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#define HPC_PBUS_CH9_DEVREGS_4 0x0005bc00 /* PBus ch. 9 chip registers */
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#define HPC_PBUS_CH9_DEVREGS_4_SIZE 0x03ff
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#define HPC_PBUS_CFGDMA_REGS 0x0005c000 /* PBus DMA config registers */
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#define HPC_PBUS_CFGDMA_REGS_SIZE 0x0fff
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#define HPC_PBUS_CH0_CFGDMA 0x0005c000 /* PBus Ch. 0 DMA config */
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#define HPC_PBUS_CH0_CFGDMA_SIZE 0x01ff
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#define HPC_PBUS_CH1_CFGDMA 0x0005c200 /* PBus Ch. 1 DMA config */
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#define HPC_PBUS_CH1_CFGDMA_SIZE 0x01ff
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#define HPC_PBUS_CH2_CFGDMA 0x0005c400 /* PBus Ch. 2 DMA config */
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#define HPC_PBUS_CH2_CFGDMA_SIZE 0x01ff
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#define HPC_PBUS_CH3_CFGDMA 0x0005c600 /* PBus Ch. 3 DMA config */
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#define HPC_PBUS_CH3_CFGDMA_SIZE 0x01ff
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#define HPC_PBUS_CH4_CFGDMA 0x0005c800 /* PBus Ch. 4 DMA config */
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#define HPC_PBUS_CH4_CFGDMA_SIZE 0x01ff
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#define HPC_PBUS_CH5_CFGDMA 0x0005ca00 /* PBus Ch. 5 DMA config */
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#define HPC_PBUS_CH5_CFGDMA_SIZE 0x01ff
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#define HPC_PBUS_CH6_CFGDMA 0x0005cc00 /* PBus Ch. 6 DMA config */
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#define HPC_PBUS_CH6_CFGDMA_SIZE 0x01ff
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#define HPC_PBUS_CH7_CFGDMA 0x0005ce00 /* PBus Ch. 7 DMA config */
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#define HPC_PBUS_CH7_CFGDMA_SIZE 0x01ff
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#define HPC_PBUS_CFGPIO_REGS 0x0005d000 /* PBus PIO config registers */
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#define HPC_PBUS_CFGPIO_REGS_SIZE 0x0fff
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#define HPC_PBUS_CH0_CFGPIO 0x0005d000 /* PBus Ch. 0 PIO config */
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#define HPC_PBUS_CH1_CFGPIO 0x0005d100 /* PBus Ch. 1 PIO config */
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#define HPC_PBUS_CH2_CFGPIO 0x0005d200 /* PBus Ch. 2 PIO config */
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#define HPC_PBUS_CH3_CFGPIO 0x0005d300 /* PBus Ch. 3 PIO config */
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#define HPC_PBUS_CH4_CFGPIO 0x0005d400 /* PBus Ch. 4 PIO config */
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#define HPC_PBUS_CH5_CFGPIO 0x0005d500 /* PBus Ch. 5 PIO config */
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#define HPC_PBUS_CH6_CFGPIO 0x0005d600 /* PBus Ch. 6 PIO config */
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#define HPC_PBUS_CH7_CFGPIO 0x0005d700 /* PBus Ch. 7 PIO config */
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#define HPC_PBUS_CH8_CFGPIO 0x0005d800 /* PBus Ch. 8 PIO config */
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#define HPC_PBUS_CH9_CFGPIO 0x0005d900 /* PBus Ch. 9 PIO config */
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#define HPC_PBUS_CH8_CFGPIO_2 0x0005da00 /* PBus Ch. 8 PIO config */
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#define HPC_PBUS_CH9_CFGPIO_2 0x0005db00 /* PBus Ch. 9 PIO config */
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#define HPC_PBUS_CH8_CFGPIO_3 0x0005dc00 /* PBus Ch. 8 PIO config */
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#define HPC_PBUS_CH9_CFGPIO_3 0x0005dd00 /* PBus Ch. 9 PIO config */
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#define HPC_PBUS_CH8_CFGPIO_4 0x0005de00 /* PBus Ch. 8 PIO config */
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#define HPC_PBUS_CH9_CFGPIO_4 0x0005df00 /* PBus Ch. 9 PIO config */
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#define HPC_PBUS_PROM_WE 0x0005e000 /* PBus boot-prom write
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* enable register
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*/
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#define HPC_PBUS_PROM_SWAP 0x0005e800 /* PBus boot-prom chip-select
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* swap register
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*/
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#define HPC_PBUS_GEN_OUT 0x0005f000 /* PBus general-purpose output
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* register
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*/
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#define HPC_PBUS_BBRAM 0x00060000 /* PBus battery-backed RAM
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* external registers
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*/
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#endif /* _ARCH_SGIMIPS_HPC_HPCREG_H_ */
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