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      1 /*	$NetBSD: hpcreg.h,v 1.21 2025/02/23 13:31:30 andvar Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2001 Rafal K. Boni
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. The name of the author may not be used to endorse or promote products
     16  *    derived from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28  */
     29 
     30 #ifndef _ARCH_SGIMIPS_HPC_HPCREG_H_
     31 #define	_ARCH_SGIMIPS_HPC_HPCREG_H_
     32 
     33 /*
     34  * HPC locations are identical across all HPC-supported
     35  * platforms.
     36  */
     37 #define HPC_BASE_ADDRESS_0	0x1fb80000	/* Primary onboard */
     38 #define HPC_BASE_ADDRESS_1	0x1fb00000
     39 #define HPC_BASE_ADDRESS_2	0x1f980000
     40 #define HPC_BASE_ADDRESS_3	0x1f900000	/* NB: Never supported in h/w */
     41 
     42 /*
     43  * HPC3 descriptor layout.
     44  */
     45 struct hpc_dma_desc {
     46 	uint32_t	hdd_bufptr;	/* Physical address of buffer */
     47 	uint32_t	hdd_ctl;	/* Control flags and byte count */
     48 	uint32_t	hdd_descptr;	/* Physical address of next descr. */
     49 	uint32_t	hdd_pad;	/* Pad out to quadword alignment */
     50 };
     51 
     52 /*
     53  * The hdd_bufptr and hdd_ctl fields are swapped between HPC1 and
     54  * HPC3. These fields are referenced by macro for readability.
     55  */
     56 #define hpc1_hdd_ctl	hdd_bufptr
     57 #define hpc1_hdd_bufptr	hdd_ctl
     58 #define hpc3_hdd_ctl	hdd_ctl
     59 #define hpc3_hdd_bufptr	hdd_bufptr
     60 
     61 /*
     62  * Control flags
     63  */
     64 #define HPC3_HDD_CTL_EOCHAIN	0x80000000	/* End of descriptor chain */
     65 #define HPC3_HDD_CTL_EOPACKET	0x40000000	/* Ethernet: end of packet */
     66 #define HPC3_HDD_CTL_INTR	0x20000000	/* Interrupt when finished */
     67 #define HPC3_HDD_CTL_XMITDONE	0x00008000	/* Ethernet transmit done */
     68 #define HPC3_HDD_CTL_OWN	0x00004000	/* CPU owns this frame */
     69 
     70 #define HPC3_HDD_CTL_BYTECNT(x)	((x) & 0x3fff)	/* Byte count: for ethernet
     71 						 * rcv channel also doubles as
     72 						 * length of packet received
     73 						 */
     74 
     75 /*
     76  * HPC memory map, as offsets from HPC base
     77  *
     78  * XXXrkb: should each section be used as a base and have the specific
     79  * registers offset from there??
     80  *
     81  * XXX: define register values as well as their offsets.
     82  *
     83  */
     84 #define HPC3_PBUS_DMAREGS	0x00000000	/* DMA registers for PBus */
     85 #define HPC3_PBUS_DMAREGS_SIZE	0x0000ffff	/* channels 0 - 7 */
     86 
     87 #define HPC3_PBUS_CH0_BP	0x00000000	/* Chan 0 Buffer Ptr */
     88 #define HPC3_PBUS_CH0_DP	0x00000004	/* Chan 0 Descriptor Ptr */
     89 #define HPC3_PBUS_CH0_CTL	0x00001000	/* Chan 0 Control Register */
     90 
     91 #define HPC3_PBUS_CH1_BP	0x00002000	/* Chan 1 Buffer Ptr */
     92 #define HPC3_PBUS_CH1_DP	0x00002004	/* Chan 1 Descriptor Ptr */
     93 #define HPC3_PBUS_CH1_CTL	0x00003000	/* Chan 1 Control Register */
     94 
     95 #define HPC3_PBUS_CH2_BP	0x00004000	/* Chan 2 Buffer Ptr */
     96 #define HPC3_PBUS_CH2_DP	0x00004004	/* Chan 2 Descriptor Ptr */
     97 #define HPC3_PBUS_CH2_CTL	0x00005000	/* Chan 2 Control Register */
     98 
     99 #define HPC3_PBUS_CH3_BP	0x00006000	/* Chan 3 Buffer Ptr */
    100 #define HPC3_PBUS_CH3_DP	0x00006004	/* Chan 3 Descriptor Ptr */
    101 #define HPC3_PBUS_CH3_CTL	0x00007000	/* Chan 3 Control Register */
    102 
    103 #define HPC3_PBUS_CH4_BP	0x00008000	/* Chan 4 Buffer Ptr */
    104 #define HPC3_PBUS_CH4_DP	0x00008004	/* Chan 4 Descriptor Ptr */
    105 #define HPC3_PBUS_CH4_CTL	0x00009000	/* Chan 4 Control Register */
    106 
    107 #define HPC3_PBUS_CH5_BP	0x0000a000	/* Chan 5 Buffer Ptr */
    108 #define HPC3_PBUS_CH5_DP	0x0000a004	/* Chan 5 Descriptor Ptr */
    109 #define HPC3_PBUS_CH5_CTL	0x0000b000	/* Chan 5 Control Register */
    110 
    111 #define HPC3_PBUS_CH6_BP	0x0000c000	/* Chan 6 Buffer Ptr */
    112 #define HPC3_PBUS_CH6_DP	0x0000c004	/* Chan 6 Descriptor Ptr */
    113 #define HPC3_PBUS_CH6_CTL	0x0000d000	/* Chan 6 Control Register */
    114 
    115 #define HPC3_PBUS_CH7_BP	0x0000e000	/* Chan 7 Buffer Ptr */
    116 #define HPC3_PBUS_CH7_DP	0x0000e004	/* Chan 7 Descriptor Ptr */
    117 #define HPC3_PBUS_CH7_CTL	0x0000f000	/* Chan 7 Control Register */
    118 
    119 #define HPC3_SCSI0_REGS		0x00010000	/* SCSI channel 0 registers */
    120 #define HPC3_SCSI0_REGS_SIZE	0x00001fff
    121 
    122 #define HPC3_SCSI0_CBP		0x00000000	/* Current buffer ptr */
    123 #define HPC3_SCSI0_NDBP		0x00000004	/* Next descriptor ptr */
    124 
    125 #define HPC3_SCSI0_BC		0x00001000	/* DMA byte count & flags */
    126 #define HPC3_SCSI0_CTL		0x00001004	/* DMA control flags */
    127 #define HPC3_SCSI0_GIO		0x00001008	/* GIO DMA FIFO pointer */
    128 #define HPC3_SCSI0_DEV		0x0000100c	/* Device DMA FIFO pointer */
    129 #define HPC3_SCSI0_DMACFG	0x00001010	/* DMA configuration */
    130 #define HPC3_SCSI0_PIOCFG	0x00001014	/* PIO configuration */
    131 
    132 #define HPC3_SCSI1_REGS		0x00012000	/* SCSI channel 1 registers */
    133 #define HPC3_SCSI1_REGS_SIZE	0x00001fff
    134 
    135 #define HPC3_SCSI1_CBP		0x00000000	/* Current buffer ptr */
    136 #define HPC3_SCSI1_NDBP		0x00000004	/* Next descriptor ptr */
    137 
    138 #define HPC3_SCSI1_BC		0x00001000	/* DMA byte count & flags */
    139 #define HPC3_SCSI1_CTL		0x00001004	/* DMA control flags */
    140 #define HPC3_SCSI1_GIO		0x00001008	/* GIO DMA FIFO pointer */
    141 #define HPC3_SCSI1_DEV		0x0000100c	/* Device DMA FIFO pointer */
    142 #define HPC3_SCSI1_DMACFG	0x00001010	/* DMA configuration */
    143 #define HPC3_SCSI1_PIOCFG	0x00001014	/* PIO configuration */
    144 
    145 /* HPC3_SCSIx_CTL "SCSI control register" flags: */
    146 #define HPC3_SCSI_DMACTL_IRQ    0x01 /* IRQ asserted, dma done or parity */
    147 #define HPC3_SCSI_DMACTL_ENDIAN 0x02 /* DMA endian mode, 0=BE, 1=LE */
    148 #define HPC3_SCSI_DMACTL_DIR    0x04 /* DMA direction, 0=dev->mem, 1=mem->dev */
    149 #define HPC3_SCSI_DMACTL_FLUSH  0x08 /* Flush DMA FIFO's */
    150 #define HPC3_SCSI_DMACTL_ACTIVE 0x10 /* DMA channel is active */
    151 #define HPC3_SCSI_DMACTL_AMASK  0x20 /* DMA active inhibits PIO */
    152 #define HPC3_SCSI_DMACTL_RESET  0x40 /* Reset dma channel and ext. controller */
    153 #define HPC3_SCSI_DMACTL_PERR   0x80 /* Parity error: interface to controller */
    154 
    155 /* HPC_PBUS_CHx_CTL read: */
    156 #define HPC3_PBUS_DMACTL_IRQ	0x01 /* IRQ asserted, DMA done */
    157 #define HPC3_PBUS_DMACTL_ISACT	0x02 /* DMA channel is active */
    158 
    159 /* HPC_PBUS_CHx_CTL write: */
    160 #define HPC3_PBUS_DMACTL_ENDIAN	0x02 /* DMA endianness, 0=BE 1=LE */
    161 #define HPC3_PBUS_DMACTL_RECEIVE 0x04 /* DMA direction, 1=dev->mem, 0=mem->dev*/
    162 #define HPC3_PBUS_DMACTL_FLUSH	0x08 /* Flush DMA FIFO */
    163 #define HPC3_PBUS_DMACTL_ACT	0x10 /* Activate DMA channel */
    164 #define HPC3_PBUS_DMACTL_ACT_LD	0x20 /* Load enable for ACT */
    165 #define HPC3_PBUS_DMACTL_RT	0x40 /* Enable real time GIO service for DMA */
    166 #define HPC3_PBUS_DMACTL_HIGHWATER_SHIFT 8
    167 #define HPC3_PBUS_DMACTL_FIFOBEG_SHIFT	16
    168 #define HPC3_PBUS_DMACTL_FIFOEND_SHIFT	24
    169 
    170 #define HPC3_ENET_REGS		0x00014000	/* Ethernet registers */
    171 #define HPC3_ENET_REGS_SIZE	0x00003fff
    172 
    173 #define HPC3_ENETR_CBP		0x00000000	/* Recv: Current buffer ptr */
    174 #define HPC3_ENETR_NDBP		0x00000004	/* Recv: Next descriptor ptr */
    175 
    176 #define HPC3_ENETR_BC		0x00001000	/* Recv: DMA byte cnt/flags */
    177 #define HPC3_ENETR_CTL		0x00001004	/* Recv: DMA control flags */
    178 
    179 #define HPC3_ENETR_CTL_STAT_5_0	0x003f		/* Seeq irq status: bits 0-5 */
    180 #define HPC3_ENETR_CTL_STAT_6	0x0040		/* Irq status: late_rxdc */
    181 #define HPC3_ENETR_CTL_STAT_7	0x0080		/* Irq status: old/new bit */
    182 #define HPC3_ENETR_CTL_LENDIAN	0x0100		/* DMA channel endian mode */
    183 #define HPC3_ENETR_CTL_ACTIVE	0x0200		/* DMA channel active? */
    184 #define HPC3_ENETR_CTL_ACTIVE_MSK 0x0400	/* DMA channel active? */
    185 #define HPC3_ENETR_CTL_RBO	0x0800		/* Recv buffer overflow */
    186 
    187 #define HPC3_ENETR_GIO		0x00001008	/* Recv: GIO DMA FIFO ptr */
    188 #define HPC3_ENETR_DEV		0x0000100c	/* Recv: Device DMA FIFO ptr */
    189 #define HPC3_ENETR_RESET	0x00001014	/* Recv: Ethernet chip reset */
    190 
    191 #define HPC3_ENETR_RESET_CH	0x0001		/* Reset controller & chan */
    192 #define HPC3_ENETR_RESET_CLRINT	0x0002		/* Clear channel interrupt */
    193 #define HPC3_ENETR_RESET_LOOPBK	0x0004		/* External loopback enable */
    194 #define HPC3_ENETR_RESET_CLRRBO	0x0008		/* Clear RBO condition (??) */
    195 
    196 #define HPC3_ENETR_DMACFG	0x00001018	/* Recv: DMA configuration */
    197 
    198 #define	HPC3_ENETR_DMACFG_D1(_x) (((_x) << 0) & 0x000f)	/* D1 gio_clk cycles */
    199 #define	HPC3_ENETR_DMACFG_D2(_x) (((_x) << 4) & 0x00f0)	/* D2 gio_clk cycles */
    200 #define	HPC3_ENETR_DMACFG_D3(_x) (((_x) << 8) & 0x0f00)	/* D3 gio_clk cycles */
    201 #define	HPC3_ENETR_DMACFG_WRCTL	0x01000		/* Enable IPG write */
    202 
    203 /*
    204  * The following three bits work around bugs in the Seeq 8003; if you
    205  * don't set them, the Seeq gets wonky pretty often.
    206  */
    207 #define	HPC3_ENETR_DMACFG_FIX_RXDC 0x02000	/* Clear EOP bits on RXDC */
    208 #define	HPC3_ENETR_DMACFG_FIX_EOP  0x04000	/* Enable rxintr timeout */
    209 #define	HPC3_ENETR_DMACFG_FIX_INTR 0x08000	/* Enable EOP timeout */
    210 #define	HPC3_ENETR_DMACFG_TIMEOUT  0x30000	/* Timeout value for above two*/
    211 
    212 #define HPC3_ENETR_PIOCFG	0x0000101c	/* Recv: PIO configuration */
    213 
    214 #define HPC3_ENETR_PIOCFG_P1(_x) (((_x) << 0) & 0x000f)	/* P1 gio_clk cycles */
    215 #define HPC3_ENETR_PIOCFG_P2(_x) (((_x) << 4) & 0x00f0)	/* P2 gio_clk cycles */
    216 #define HPC3_ENETR_PIOCFG_P3(_x) (((_x) << 8) & 0x0f00)	/* P3 gio_clk cycles */
    217 
    218 #define HPC3_ENETX_CBP		0x00002000	/* Xmit: Current buffer ptr */
    219 #define HPC3_ENETX_NDBP		0x00002004	/* Xmit: Next descriptor ptr */
    220 
    221 #define HPC3_ENETX_BC		0x00003000	/* Xmit: DMA byte cnt/flags */
    222 #define HPC3_ENETX_CTL		0x00003004	/* Xmit: DMA control flags */
    223 
    224 #define HPC3_ENETX_CTL_STAT_5_0	0x003f		/* Seeq irq status: bits 0-5 */
    225 #define HPC3_ENETX_CTL_STAT_6	0x0040		/* Irq status: late_rxdc */
    226 #define HPC3_ENETX_CTL_STAT_7	0x0080		/* Irq status: old/new bit */
    227 #define HPC3_ENETX_CTL_LENDIAN	0x0100		/* DMA channel endian mode */
    228 #define HPC3_ENETX_CTL_ACTIVE	0x0200		/* DMA channel active? */
    229 #define HPC3_ENETX_CTL_ACTIVE_MSK 0x0400	/* DMA channel active? */
    230 #define HPC3_ENETX_CTL_RBO	0x0800		/* Recv buffer overflow */
    231 
    232 #define HPC3_ENETX_GIO		0x00003008	/* Xmit: GIO DMA FIFO ptr */
    233 #define HPC3_ENETX_DEV		0x0000300c	/* Xmit: Device DMA FIFO ptr */
    234 
    235 #define HPC3_PBUS_FIFO		0x00020000	/* PBus DMA FIFO */
    236 #define HPC3_PBUS_FIFO_SIZE	0x00007fff	/* PBus DMA FIFO size */
    237 
    238 #define HPC3_SCSI0_FIFO		0x00028000	/* SCSI0 DMA FIFO */
    239 #define HPC3_SCSI0_FIFO_SIZE	0x00001fff	/* SCSI0 DMA FIFO size */
    240 
    241 #define HPC3_SCSI1_FIFO		0x0002a000	/* SCSI1 DMA FIFO */
    242 #define HPC3_SCSI1_FIFO_SIZE	0x00001fff	/* SCSI1 DMA FIFO size */
    243 
    244 #define HPC3_ENETR_FIFO		0x0002c000	/* Ether recv DMA FIFO */
    245 #define HPC3_ENETR_FIFO_SIZE	0x00001fff	/* Ether recv DMA FIFO size */
    246 
    247 #define HPC3_ENETX_FIFO		0x0002e000	/* Ether xmit DMA FIFO */
    248 #define HPC3_ENETX_FIFO_SIZE	0x00001fff	/* Ether xmit DMA FIFO size */
    249 
    250 /*
    251  * HPCBUG: The interrupt status is split amongst two registers, and they're
    252  * not even consecutive in the HPC address space.  This is documented as a
    253  * bug by SGI.
    254  */
    255 #define HPC3_INTRSTAT_40	0x00030000	/* Interrupt stat, bits 4:0 */
    256 #define HPC3_INTRSTAT_95	0x0003000c	/* Interrupt stat, bits 9:5 */
    257 
    258 #define HPC3_GIO_MISC		0x00030004	/* GIO64 misc register */
    259 
    260 #define HPC3_EEPROM_DATA	0x0003000b	/* Serial EEPROM data reg. */
    261 						/* (byte) */
    262 
    263 #define HPC3_GIO_BUSERR		0x00030010	/* GIO64 bus error intr stat */
    264 
    265 #define HPC3_SCSI0_DEVREGS	0x00044000	/* SCSI channel 0 chip regs */
    266 #define HPC3_SCSI0_DEVREGS_SIZE	0x000003ff	/* Size of chip registers */
    267 
    268 #define HPC3_SCSI1_DEVREGS	0x0004c000	/* SCSI channel 1 chip regs */
    269 #define HPC3_SCSI1_DEVREGS_SIZE	0x000003ff	/* Size of chip registers */
    270 
    271 #define HPC3_ENET_DEVREGS	0x00054000	/* Ethernet chip registers */
    272 #define HPC3_ENET_DEVREGS_SIZE	0x000004ff	/* Size of chip registers */
    273 
    274 #define HPC3_PBUS_DEVREGS	0x00054000	/* PBus PIO chip registers */
    275 #define HPC3_PBUS_DEVREGS_SIZE	0x000003ff	/* PBus PIO chip registers */
    276 
    277 #define HPC3_PBUS_CH0_DEVREGS	0x00058000	/* PBus ch. 0 chip registers */
    278 #define HPC3_PBUS_CH0_DEVREGS_SIZE   0x03ff
    279 
    280 #define HPC3_PBUS_CH1_DEVREGS	0x00058400	/* PBus ch. 1 chip registers */
    281 #define HPC3_PBUS_CH1_DEVREGS_SIZE   0x03ff
    282 
    283 #define HPC3_PBUS_CH2_DEVREGS	0x00058800	/* PBus ch. 2 chip registers */
    284 #define HPC3_PBUS_CH2_DEVREGS_SIZE   0x03ff
    285 
    286 #define HPC3_PBUS_CH3_DEVREGS	0x00058c00	/* PBus ch. 3 chip registers */
    287 #define HPC3_PBUS_CH3_DEVREGS_SIZE   0x03ff
    288 
    289 #define HPC3_PBUS_CH4_DEVREGS	0x00059000	/* PBus ch. 4 chip registers */
    290 #define HPC3_PBUS_CH4_DEVREGS_SIZE   0x03ff
    291 
    292 #define HPC3_PBUS_CH5_DEVREGS	0x00059400	/* PBus ch. 5 chip registers */
    293 #define HPC3_PBUS_CH5_DEVREGS_SIZE   0x03ff
    294 
    295 #define HPC3_PBUS_CH6_DEVREGS	0x00059800	/* PBus ch. 6 chip registers */
    296 #define HPC3_PBUS_CH6_DEVREGS_SIZE   0x03ff
    297 
    298 #define HPC3_PBUS_CH7_DEVREGS	0x00059c00	/* PBus ch. 7 chip registers */
    299 #define HPC3_PBUS_CH7_DEVREGS_SIZE   0x03ff
    300 
    301 #define HPC3_PBUS_CH8_DEVREGS	0x0005a000	/* PBus ch. 8 chip registers */
    302 #define HPC3_PBUS_CH8_DEVREGS_SIZE   0x03ff
    303 
    304 #define HPC3_PBUS_CH9_DEVREGS	0x0005a400	/* PBus ch. 9 chip registers */
    305 #define HPC3_PBUS_CH9_DEVREGS_SIZE   0x03ff
    306 
    307 #define HPC3_PBUS_CH8_DEVREGS_2	0x0005a800	/* PBus ch. 8 chip registers */
    308 #define HPC3_PBUS_CH8_DEVREGS_2_SIZE 0x03ff
    309 
    310 #define HPC3_PBUS_CH9_DEVREGS_2	0x0005ac00	/* PBus ch. 9 chip registers */
    311 #define HPC3_PBUS_CH9_DEVREGS_2_SIZE 0x03ff
    312 
    313 #define HPC3_PBUS_CH8_DEVREGS_3	0x0005b000	/* PBus ch. 8 chip registers */
    314 #define HPC3_PBUS_CH8_DEVREGS_3_SIZE 0x03ff
    315 
    316 #define HPC3_PBUS_CH9_DEVREGS_3	0x0005b400	/* PBus ch. 9 chip registers */
    317 #define HPC3_PBUS_CH9_DEVREGS_3_SIZE 0x03ff
    318 
    319 #define HPC3_PBUS_CH8_DEVREGS_4	0x0005b800	/* PBus ch. 8 chip registers */
    320 #define HPC3_PBUS_CH8_DEVREGS_4_SIZE 0x03ff
    321 
    322 #define HPC3_PBUS_CH9_DEVREGS_4	0x0005bc00	/* PBus ch. 9 chip registers */
    323 #define HPC3_PBUS_CH9_DEVREGS_4_SIZE 0x03ff
    324 
    325 #define HPC3_PBUS_CFGDMA_REGS	0x0005c000	/* PBus DMA config registers */
    326 #define HPC3_PBUS_CFGDMA_REGS_SIZE   0x0fff
    327 
    328 #define HPC3_PBUS_CH0_CFGDMA	0x0005c000	/* PBus Ch. 0 DMA config */
    329 #define HPC3_PBUS_CH0_CFGDMA_SIZE    0x01ff
    330 
    331 #define HPC3_PBUS_CH1_CFGDMA	0x0005c200	/* PBus Ch. 1 DMA config */
    332 #define HPC3_PBUS_CH1_CFGDMA_SIZE    0x01ff
    333 
    334 #define HPC3_PBUS_CH2_CFGDMA	0x0005c400	/* PBus Ch. 2 DMA config */
    335 #define HPC3_PBUS_CH2_CFGDMA_SIZE    0x01ff
    336 
    337 #define HPC3_PBUS_CH3_CFGDMA	0x0005c600	/* PBus Ch. 3 DMA config */
    338 #define HPC3_PBUS_CH3_CFGDMA_SIZE    0x01ff
    339 
    340 #define HPC3_PBUS_CH4_CFGDMA	0x0005c800	/* PBus Ch. 4 DMA config */
    341 #define HPC3_PBUS_CH4_CFGDMA_SIZE    0x01ff
    342 
    343 #define HPC3_PBUS_CH5_CFGDMA	0x0005ca00	/* PBus Ch. 5 DMA config */
    344 #define HPC3_PBUS_CH5_CFGDMA_SIZE    0x01ff
    345 
    346 #define HPC3_PBUS_CH6_CFGDMA	0x0005cc00	/* PBus Ch. 6 DMA config */
    347 #define HPC3_PBUS_CH6_CFGDMA_SIZE    0x01ff
    348 
    349 #define HPC3_PBUS_CH7_CFGDMA	0x0005ce00	/* PBus Ch. 7 DMA config */
    350 #define HPC3_PBUS_CH7_CFGDMA_SIZE    0x01ff
    351 
    352 #define HPC3_PBUS_CFGPIO_REGS	0x0005d000	/* PBus PIO config registers */
    353 #define HPC3_PBUS_CFGPIO_REGS_SIZE   0x0fff
    354 
    355 #define HPC3_PBUS_CH0_CFGPIO	0x0005d000	/* PBus Ch. 0 PIO config */
    356 #define HPC3_PBUS_CH1_CFGPIO	0x0005d100	/* PBus Ch. 1 PIO config */
    357 #define HPC3_PBUS_CH2_CFGPIO	0x0005d200	/* PBus Ch. 2 PIO config */
    358 #define HPC3_PBUS_CH3_CFGPIO	0x0005d300	/* PBus Ch. 3 PIO config */
    359 #define HPC3_PBUS_CH4_CFGPIO	0x0005d400	/* PBus Ch. 4 PIO config */
    360 #define HPC3_PBUS_CH5_CFGPIO	0x0005d500	/* PBus Ch. 5 PIO config */
    361 #define HPC3_PBUS_CH6_CFGPIO	0x0005d600	/* PBus Ch. 6 PIO config */
    362 #define HPC3_PBUS_CH7_CFGPIO	0x0005d700	/* PBus Ch. 7 PIO config */
    363 #define HPC3_PBUS_CH8_CFGPIO	0x0005d800	/* PBus Ch. 8 PIO config */
    364 #define HPC3_PBUS_CH9_CFGPIO	0x0005d900	/* PBus Ch. 9 PIO config */
    365 #define HPC3_PBUS_CH8_CFGPIO_2	0x0005da00	/* PBus Ch. 8 PIO config */
    366 #define HPC3_PBUS_CH9_CFGPIO_2	0x0005db00	/* PBus Ch. 9 PIO config */
    367 #define HPC3_PBUS_CH8_CFGPIO_3	0x0005dc00	/* PBus Ch. 8 PIO config */
    368 #define HPC3_PBUS_CH9_CFGPIO_3	0x0005dd00	/* PBus Ch. 9 PIO config */
    369 #define HPC3_PBUS_CH8_CFGPIO_4	0x0005de00	/* PBus Ch. 8 PIO config */
    370 #define HPC3_PBUS_CH9_CFGPIO_4	0x0005df00	/* PBus Ch. 9 PIO config */
    371 
    372 #define HPC3_PBUS_PROM_WE	0x0005e000	/* PBus boot-prom write
    373 						 * enable register
    374 						 */
    375 
    376 #define HPC3_PBUS_PROM_SWAP	0x0005e800	/* PBus boot-prom chip-select
    377 						 * swap register
    378 						 */
    379 
    380 #define HPC3_PBUS_GEN_OUT	0x0005f000	/* PBus general-purpose output
    381 						 * register
    382 						 */
    383 
    384 #define HPC3_PBUS_BBRAM		0x00060000	/* PBus battery-backed RAM
    385 						 * external registers
    386 						 */
    387 
    388 /* HPC1/HPC1.5 differs from HPC3 in several details. */
    389 
    390 #define HPC1_HDD_CTL_EOCHAIN	0x80000000	/* End of descriptor chain */
    391 #define HPC1_HDD_CTL_EOPACKET	0x80000000	/* Ethernet: end of packet */
    392 #define HPC1_HDD_CTL_INTR	0x00008000	/* Interrupt when finished */
    393 #define HPC1_HDD_CTL_OWN	0x40000000	/* CPU owns this frame */
    394 #define HPC1_HDD_CTL_BYTECNT(x)	((x) & 0x1fff)	/* Byte count: for ethernet */
    395 #define HPC1_BIGENDIAN		0x000000c0	/* Endianness:5 revision:2 */
    396 #define	HPC1_REVSHIFT		0x00000006	/* Revision rshft */
    397 #define	HPC1_REVMASK		0x00000003	/* Revision mask */
    398 #define HPC1_REV15		0x00000001	/* HPC Revision 1.5 */
    399 #define HPC1_SCSI0_REGS		0x00000088
    400 #define HPC1_SCSI0_REGS_SIZE	0x00000018
    401 #define HPC1_SCSI0_CBP		0x00000004	/* Current buffer ptr */
    402 #define HPC1_SCSI0_NDBP		0x00000008	/* Next descriptor ptr */
    403 #define HPC1_SCSI0_BC		0x00000000	/* DMA byte count & flags */
    404 #define HPC1_SCSI0_CTL		0x0000000c	/* DMA control flags */
    405 #define HPC1_SCSI0_DEV		0x00000014	/* Device DMA FIFO pointer */
    406 #define HPC1_SCSI0_DMACFG	0x00000010	/* DMA configuration */
    407 #define HPC1_SCSI0_GIO		0x00001008	/* GIO DMA FIFO pointer */
    408 #define HPC1_SCSI0_PIOCFG	0x00001014	/* PIO configuration */
    409 #define HPC1_SCSI_DMACTL_RESET  0x01 /* Reset dma channel and ext. controller */
    410 #define HPC1_SCSI_DMACTL_FLUSH  0x02 /* Flush DMA FIFO's */
    411 #define HPC1_SCSI_DMACTL_DIR	0x10 /* DMA direction: 1=dev->mem, 0=mem->dev */
    412 #define HPC1_SCSI_DMACTL_ACTIVE 0x80 /* DMA channel is active */
    413 #define HPC1_ENET_REGS		0x00000000	/* Ethernet registers */
    414 #define HPC1_ENET_REGS_SIZE	0x00000100
    415 #define HPC1_ENET_INTDELAY	0x0000002c	/* Interrupt Delay Count */
    416 #define HPC1_ENET_INTDELAY_OFF	0x01000000	/* Disable Interrupt Delay */
    417 #define HPC1_ENETR_CBP		0x00000054	/* Recv: Current buffer ptr */
    418 #define HPC1_ENETR_NDBP		0x00000050	/* Recv: Next descriptor ptr */
    419 #define HPC1_ENETR_BC		0x00000048	/* Recv: DMA byte cnt/flags */
    420 #define HPC1_ENETR_CTL		0x00000038	/* Recv: DMA control flags */
    421 #define HPC1_ENETR_CTL_ACTIVE	0x00004000	/* DMA channel active? */
    422 #define HPC1_ENETR_RESET	0x0000003c	/* Recv: Ethernet chip reset */
    423 #define HPC1_ENETR_RESET_CH	0x0001		/* Reset controller & chan */
    424 #define HPC1_ENETR_RESET_CLRINT	0x0002		/* Clear channel interrupt */
    425 #define HPC1_ENETR_RESET_LOOPBK	0x0004		/* External loopback enable */
    426 #define HPC1_ENETR_RESET_CLRRBO	0x0008		/* Clear RBO condition (??) */
    427 #define HPC1_ENETX_CBP		0x00000020	/* Xmit: Current buffer ptr */
    428 #define HPC1_ENETX_NDBP		0x00000010	/* Xmit: Next descriptor ptr */
    429 #define HPC1_ENETX_CFXBP	0x00000024	/* Xmit: Current first buf */
    430 #define	HPC1_ENETX_PFXBP	0x00000028	/* Xmit: Prev. first buf */
    431 #define HPC1_ENETX_BC		0x00000014	/* Xmit: DMA byte cnt/flags */
    432 #define HPC1_ENETX_CTL		0x00000034	/* Xmit: DMA control flags */
    433 #define HPC1_ENETX_CTL_ACTIVE	0x00400000
    434 #define HPC1_ENETR_FIFO		0x0002c000	/* Ether recv DMA FIFO */
    435 #define HPC1_ENETR_FIFO_SIZE	0x00001fff	/* Ether recv DMA FIFO size */
    436 #define HPC1_ENETX_FIFO		0x0002e000	/* Ether xmit DMA FIFO */
    437 #define HPC1_ENETX_FIFO_SIZE	0x00001fff	/* Ether xmit DMA FIFO size */
    438 #define HPC1_SCSI0_DEVREGS	0x0000011f
    439 #define HPC1_SCSI0_DEVREGS_SIZE	0x00000008
    440 #define HPC1_ENET_DEVREGS	0x00000100	/* Ethernet chip registers */
    441 #define HPC1_ENET_DEVREGS_SIZE	0x00000020	/* Size of chip registers */
    442 #define HPC1_PBUS_BBRAM		0x00000e00	/* PBus battery-backed RAM */
    443 #define	HPC1_LPT_REGS		0x000000a8	/* LPT HPC Registers */
    444 #define	HPC1_LPT_REGS_SIZE	0x00000018
    445 #define	HPC1_LPT_BC		0x00000000	/* Byte Count */
    446 #define	HPC1_LPT_CBP		0x00000004	/* Current Buffer Ptr */
    447 #define HPC1_LPT_NDBP		0x00000008	/* Next Buffer Ptr */
    448 #define	HPC1_LPT_CTL		0x0000000c	/* DMA Control Flags */
    449 #define HPC1_LPT_DEV		0x00000010	/* DMA Fifo Ptr */
    450 #define HPC1_LPT_DMACFG		0x00000014	/* DMA Configuration */
    451 #define HPC1_LPT_DEVREGS	0x00000132	/* Ext. Parallel Registers */
    452 #define	HPC1_LPT_DEVREGS_SIZE	0x00000001	/* Size of External Registers */
    453 
    454 /* AUX regs on the primary HPC */
    455 #define HPC1_AUX_REGS		0x000001bf	/* EEPROM/LED Control (byte) */
    456 #define HPC1_AUX_CONSLED	0x01		/* Console LED */
    457 
    458 #endif	/* _ARCH_SGIMIPS_HPC_HPCREG_H_ */
    459