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hpcreg.h revision 1.2
      1 /*	$NetBSD: hpcreg.h,v 1.2 2001/06/07 12:10:34 rafal 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 struct hpc_dma_desc {
     34 	u_int32_t	hdd_bufptr;	/* Physical address of buffer */
     35 	u_int32_t	hdd_ctl;	/* Control flags and byte count */
     36 	u_int32_t	hdd_descptr;	/* Physical address of next descr. */
     37 	u_int32_t	hdd_pad;	/* Pad out to quadword alignment */
     38 };
     39 
     40 /*
     41  * Control flags
     42  */
     43 #define HDD_CTL_EOCHAIN		0x80000000	/* End of descriptor chain */
     44 #define HDD_CTL_EOPACKET	0x40000000	/* Ethernet: end of packet */
     45 #define HDD_CTL_INTR		0x20000000	/* Interrupt when finished */
     46 #define HDD_CTL_XMITDONE	0x00008000	/* Ethernet transmit done */
     47 #define HDD_CTL_OWN		0x00004000	/* CPU owns this frame */
     48 
     49 #define HDD_CTL_BYTECNT(x)	((x) & 0x3fff)	/* Byte count: for ethernet
     50 						 * rcv channel also doubles as
     51 						 * length of packet received
     52 						 */
     53 
     54 /*
     55  * HPC memory map, as offsets from HPC base
     56  *
     57  * XXXrkb: should each section be used as a base and have the specific
     58  * registers offset from there??
     59  *
     60  * XXX: define register values as well as their offsets.
     61  *
     62  */
     63 #define HPC_PBUS_DMAREGS	0x00000000	/* DMA registers for PBus */
     64 #define HPC_PBUS_DMAREGS_SIZE	0x0000ffff	/* channels 0 - 7 */
     65 
     66 #define HPC_PBUS_CH0_BP		0x00000004	/* Chan 0 Buffer Ptr */
     67 #define HPC_PBUS_CH0_DP		0x00000008	/* Chan 0 Descriptor Ptr */
     68 #define HPC_PBUS_CH0_CTL	0x00001000	/* Chan 0 Control Register */
     69 
     70 #define HPC_PBUS_CH1_BP		0x00002004	/* Chan 1 Buffer Ptr */
     71 #define HPC_PBUS_CH1_DP		0x00002008	/* Chan 1 Descriptor Ptr */
     72 #define HPC_PBUS_CH1_CTL	0x00003000	/* Chan 1 Control Register */
     73 
     74 #define HPC_PBUS_CH2_BP		0x00004004	/* Chan 2 Buffer Ptr */
     75 #define HPC_PBUS_CH2_DP		0x00004008	/* Chan 2 Descriptor Ptr */
     76 #define HPC_PBUS_CH2_CTL	0x00005000	/* Chan 2 Control Register */
     77 
     78 #define HPC_PBUS_CH3_BP		0x00006004	/* Chan 3 Buffer Ptr */
     79 #define HPC_PBUS_CH3_DP		0x00006008	/* Chan 3 Descriptor Ptr */
     80 #define HPC_PBUS_CH3_CTL	0x00007000	/* Chan 3 Control Register */
     81 
     82 #define HPC_PBUS_CH4_BP		0x00008004	/* Chan 4 Buffer Ptr */
     83 #define HPC_PBUS_CH4_DP		0x00008008	/* Chan 4 Descriptor Ptr */
     84 #define HPC_PBUS_CH4_CTL	0x00009000	/* Chan 4 Control Register */
     85 
     86 #define HPC_PBUS_CH5_BP		0x0000a004	/* Chan 5 Buffer Ptr */
     87 #define HPC_PBUS_CH5_DP		0x0000a008	/* Chan 5 Descriptor Ptr */
     88 #define HPC_PBUS_CH5_CTL	0x0000b000	/* Chan 5 Control Register */
     89 
     90 #define HPC_PBUS_CH6_BP		0x0000c004	/* Chan 6 Buffer Ptr */
     91 #define HPC_PBUS_CH6_DP		0x0000c008	/* Chan 6 Descriptor Ptr */
     92 #define HPC_PBUS_CH6_CTL	0x0000d000	/* Chan 6 Control Register */
     93 
     94 #define HPC_PBUS_CH7_BP		0x0000e004	/* Chan 7 Buffer Ptr */
     95 #define HPC_PBUS_CH7_DP		0x0000e008	/* Chan 7 Descriptor Ptr */
     96 #define HPC_PBUS_CH7_CTL	0x0000f000	/* Chan 7 Control Register */
     97 
     98 #define HPC_SCSI0_REGS		0x00010000	/* SCSI channel 0 registers */
     99 #define HPC_SCSI0_REGS_SIZE	0x00001fff
    100 
    101 #define HPC_SCSI0_CBP		0x00000000	/* Current buffer ptr */
    102 #define HPC_SCSI0_NDBP		0x00000004	/* Next descriptor ptr */
    103 
    104 #define HPC_SCSI0_BC		0x00001000	/* DMA byte count & flags */
    105 #define HPC_SCSI0_CTL		0x00001004	/* DMA control flags */
    106 #define HPC_SCSI0_GIO		0x00001008	/* GIO DMA FIFO pointer */
    107 #define HPC_SCSI0_DEV		0x0000100c	/* Device DMA FIFO pointer */
    108 #define HPC_SCSI0_DMACFG	0x00001010	/* DMA configururation */
    109 #define HPC_SCSI0_PIOCFG	0x00001014	/* PIO configururation */
    110 
    111 #define HPC_SCSI1_REGS		0x00012000	/* SCSI channel 1 registers */
    112 #define HPC_SCSI1_REGS_SIZE	0x00001fff
    113 
    114 #define HPC_SCSI1_CBP		0x00000000	/* Current buffer ptr */
    115 #define HPC_SCSI1_NDBP		0x00000004	/* Next descriptor ptr */
    116 
    117 #define HPC_SCSI1_BC		0x00001000	/* DMA byte count & flags */
    118 #define HPC_SCSI1_CTL		0x00001004	/* DMA control flags */
    119 #define HPC_SCSI1_GIO		0x00001008	/* GIO DMA FIFO pointer */
    120 #define HPC_SCSI1_DEV		0x0000100c	/* Device DMA FIFO pointer */
    121 #define HPC_SCSI1_DMACFG	0x00001010	/* DMA configururation */
    122 #define HPC_SCSI1_PIOCFG	0x00001014	/* PIO configururation */
    123 
    124 #define HPC_ENET_REGS		0x00014000	/* Ethernet registers */
    125 #define HPC_ENET_REGS_SIZE	0x00003fff
    126 
    127 #define HPC_ENETR_CBP		0x00000000	/* Recv: Current buffer ptr */
    128 #define HPC_ENETR_NDBP		0x00000004	/* Recv: Next descriptor ptr */
    129 
    130 #define HPC_ENETR_BC		0x00001000	/* Recv: DMA byte cnt/flags */
    131 #define HPC_ENETR_CTL		0x00001004	/* Recv: DMA control flags */
    132 
    133 #define ENETR_CTL_STAT_5_0	0x003f		/* Seeq irq status: bits 0-5 */
    134 #define ENETR_CTL_STAT_6	0x0040		/* Irq status: late_rxdc */
    135 #define ENETR_CTL_STAT_7	0x0080		/* Irq status: old/new bit */
    136 #define ENETR_CTL_LENDIAN	0x0100		/* DMA channel endian mode */
    137 #define ENETR_CTL_ACTIVE	0x0200		/* DMA channel active? */
    138 #define ENETR_CTL_ACTIVE_MSK	0x0400		/* DMA channel active? */
    139 #define ENETR_CTL_RBO		0x0800		/* Recv buffer overflow */
    140 
    141 #define HPC_ENETR_GIO		0x00001008	/* Recv: GIO DMA FIFO ptr */
    142 #define HPC_ENETR_DEV		0x0000100c	/* Recv: Device DMA FIFO ptr */
    143 #define HPC_ENETR_RESET		0x00001014	/* Recv: Ethernet chip reset */
    144 
    145 #define ENETR_RESET_CH		0x0001		/* Reset controller & chan */
    146 #define ENETR_RESET_CLRINT	0x0002		/* Clear channel interrupt */
    147 #define ENETR_RESET_LOOPBK	0x0004		/* External loopback enable */
    148 #define ENETR_RESET_CLRRBO	0x0008		/* Clear RBO condition (??) */
    149 
    150 #define HPC_ENETR_DMACFG	0x00001018	/* Recv: DMA configururation */
    151 
    152 #define	ENETR_DMACFG_D1		0x0000f		/* DMA D1 state cycles */
    153 #define	ENETR_DMACFG_D2		0x000f0		/* DMA D2 state cycles */
    154 #define	ENETR_DMACFG_D3		0x00f00		/* DMA D3 state cycles */
    155 #define	ENETR_DMACFG_WRCTL	0x01000		/* Enable IPG write */
    156 
    157 /*
    158  * The following three bits work around bugs in the Seeq 8003; if you
    159  * don't set them, the Seeq gets wonky pretty often.
    160  */
    161 #define	ENETR_DMACFG_FIX_RXDC	0x02000		/* Clear EOP bits on RXDC */
    162 #define	ENETR_DMACFG_FIX_EOP	0x04000		/* Enable rxintr timeout */
    163 #define	ENETR_DMACFG_FIX_INTR	0x08000		/* Enable EOP timeout */
    164 #define	ENETR_DMACFG_TIMO	0x30000		/* Timeout for above two */
    165 
    166 #define HPC_ENETR_PIOCFG	0x0000101c	/* Recv: PIO configururation */
    167 
    168 #define HPC_ENETX_CBP		0x00002000	/* Xmit: Current buffer ptr */
    169 #define HPC_ENETX_NDBP		0x00002004	/* Xmit: Next descriptor ptr */
    170 
    171 #define HPC_ENETX_BC		0x00003000	/* Xmit: DMA byte cnt/flags */
    172 #define HPC_ENETX_CTL		0x00003004	/* Xmit: DMA control flags */
    173 
    174 #define ENETX_CTL_STAT_5_0	0x003f		/* Seeq irq status: bits 0-5 */
    175 #define ENETX_CTL_STAT_6	0x0040		/* Irq status: late_rxdc */
    176 #define ENETX_CTL_STAT_7	0x0080		/* Irq status: old/new bit */
    177 #define ENETX_CTL_LENDIAN	0x0100		/* DMA channel endian mode */
    178 #define ENETX_CTL_ACTIVE	0x0200		/* DMA channel active? */
    179 #define ENETX_CTL_ACTIVE_MSK	0x0400		/* DMA channel active? */
    180 #define ENETX_CTL_RBO		0x0800		/* Recv buffer overflow */
    181 
    182 #define HPC_ENETX_GIO		0x00003008	/* Xmit: GIO DMA FIFO ptr */
    183 #define HPC_ENETX_DEV		0x0000300c	/* Xmit: Device DMA FIFO ptr */
    184 
    185 #define HPC_PBUS_FIFO		0x00020000	/* PBus DMA FIFO */
    186 #define HPC_PBUS_FIFO_SIZE	0x00007fff	/* PBus DMA FIFO size */
    187 
    188 #define HPC_SCSI0_FIFO		0x00028000	/* SCSI0 DMA FIFO */
    189 #define HPC_SCSI0_FIFO_SIZE	0x00001fff	/* SCSI0 DMA FIFO size */
    190 
    191 #define HPC_SCSI1_FIFO		0x0002a000	/* SCSI1 DMA FIFO */
    192 #define HPC_SCSI1_FIFO_SIZE	0x00001fff	/* SCSI1 DMA FIFO size */
    193 
    194 #define HPC_ENETR_FIFO		0x0002c000	/* Ether recv DMA FIFO */
    195 #define HPC_ENETR_FIFO_SIZE	0x00001fff	/* Ether recv DMA FIFO size */
    196 
    197 #define HPC_ENETX_FIFO		0x0002e000	/* Ether xmit DMA FIFO */
    198 #define HPC_ENETX_FIFO_SIZE	0x00001fff	/* Ether xmit DMA FIFO size */
    199 
    200 /*
    201  * HPCBUG: The interrupt status is split amongst two registers, and they're
    202  * not even consecutive in the HPC address space.  This is documented as a
    203  * bug by SGI.
    204  */
    205 #define HPC_INTRSTAT_40		0x00030000	/* Interrupt stat, bits 4:0 */
    206 #define HPC_INTRSTAT_95		0x0003000c	/* Interrupt stat, bits 9:5 */
    207 
    208 #define HPC_GIO_MISC		0x00030004	/* GIO64 misc register */
    209 
    210 #define HPC_EEPROM_DATA		0x00030008	/* Serial EEPROM data reg. */
    211 
    212 #define HPC_GIO_BUSERR		0x00030010	/* GIO64 bus error intr stat */
    213 
    214 #define HPC_SCSI0_DEVREGS	0x00044000	/* SCSI channel 0 chip regs */
    215 #define HPC_SCSI0_DEVREGS_SIZE	0x000003ff	/* Size of chip registers */
    216 
    217 #define HPC_SCSI1_DEVREGS	0x0004c000	/* SCSI channel 1 chip regs */
    218 #define HPC_SCSI1_DEVREGS_SIZE	0x000003ff	/* Size of chip registers */
    219 
    220 #define HPC_ENET_DEVREGS	0x00054000	/* Ethernet chip registers */
    221 #define HPC_ENET_DEVREGS_SIZE	0x000004ff	/* Size of chip registers */
    222 
    223 #define HPC_PBUS_DEVREGS	0x00054000	/* PBus PIO chip registers */
    224 #define HPC_PBUS_DEVREGS_SIZE	0x000003ff	/* PBus PIO chip registers */
    225 
    226 #define HPC_PBUS_CH0_DEVREGS	0x00058000	/* PBus ch. 0 chip registers */
    227 #define HPC_PBUS_CH0_DEVREGS_SIZE   0x03ff
    228 
    229 #define HPC_PBUS_CH1_DEVREGS	0x00058400	/* PBus ch. 1 chip registers */
    230 #define HPC_PBUS_CH1_DEVREGS_SIZE   0x03ff
    231 
    232 #define HPC_PBUS_CH2_DEVREGS	0x00058800	/* PBus ch. 2 chip registers */
    233 #define HPC_PBUS_CH2_DEVREGS_SIZE   0x03ff
    234 
    235 #define HPC_PBUS_CH3_DEVREGS	0x00058c00	/* PBus ch. 3 chip registers */
    236 #define HPC_PBUS_CH3_DEVREGS_SIZE   0x03ff
    237 
    238 #define HPC_PBUS_CH4_DEVREGS	0x00059000	/* PBus ch. 4 chip registers */
    239 #define HPC_PBUS_CH4_DEVREGS_SIZE   0x03ff
    240 
    241 #define HPC_PBUS_CH5_DEVREGS	0x00059400	/* PBus ch. 5 chip registers */
    242 #define HPC_PBUS_CH5_DEVREGS_SIZE   0x03ff
    243 
    244 #define HPC_PBUS_CH6_DEVREGS	0x00059800	/* PBus ch. 6 chip registers */
    245 #define HPC_PBUS_CH6_DEVREGS_SIZE   0x03ff
    246 
    247 #define HPC_PBUS_CH7_DEVREGS	0x00059c00	/* PBus ch. 7 chip registers */
    248 #define HPC_PBUS_CH7_DEVREGS_SIZE   0x03ff
    249 
    250 #define HPC_PBUS_CH8_DEVREGS	0x0005a000	/* PBus ch. 8 chip registers */
    251 #define HPC_PBUS_CH8_DEVREGS_SIZE   0x03ff
    252 
    253 #define HPC_PBUS_CH9_DEVREGS	0x0005a400	/* PBus ch. 9 chip registers */
    254 #define HPC_PBUS_CH9_DEVREGS_SIZE   0x03ff
    255 
    256 #define HPC_PBUS_CH8_DEVREGS_2	0x0005a800	/* PBus ch. 8 chip registers */
    257 #define HPC_PBUS_CH8_DEVREGS_2_SIZE 0x03ff
    258 
    259 #define HPC_PBUS_CH9_DEVREGS_2	0x0005ac00	/* PBus ch. 9 chip registers */
    260 #define HPC_PBUS_CH9_DEVREGS_2_SIZE 0x03ff
    261 
    262 #define HPC_PBUS_CH8_DEVREGS_3	0x0005b000	/* PBus ch. 8 chip registers */
    263 #define HPC_PBUS_CH8_DEVREGS_3_SIZE 0x03ff
    264 
    265 #define HPC_PBUS_CH9_DEVREGS_3	0x0005b400	/* PBus ch. 9 chip registers */
    266 #define HPC_PBUS_CH9_DEVREGS_3_SIZE 0x03ff
    267 
    268 #define HPC_PBUS_CH8_DEVREGS_4	0x0005b800	/* PBus ch. 8 chip registers */
    269 #define HPC_PBUS_CH8_DEVREGS_4_SIZE 0x03ff
    270 
    271 #define HPC_PBUS_CH9_DEVREGS_4	0x0005bc00	/* PBus ch. 9 chip registers */
    272 #define HPC_PBUS_CH9_DEVREGS_4_SIZE 0x03ff
    273 
    274 #define HPC_PBUS_CFGDMA_REGS	0x0005c000	/* PBus DMA config registers */
    275 #define HPC_PBUS_CFGDMA_REGS_SIZE   0x0fff
    276 
    277 #define HPC_PBUS_CH0_CFGDMA	0x0005c000	/* PBus Ch. 0 DMA config */
    278 #define HPC_PBUS_CH0_CFGDMA_SIZE    0x01ff
    279 
    280 #define HPC_PBUS_CH1_CFGDMA	0x0005c200	/* PBus Ch. 1 DMA config */
    281 #define HPC_PBUS_CH1_CFGDMA_SIZE    0x01ff
    282 
    283 #define HPC_PBUS_CH2_CFGDMA	0x0005c400	/* PBus Ch. 2 DMA config */
    284 #define HPC_PBUS_CH2_CFGDMA_SIZE    0x01ff
    285 
    286 #define HPC_PBUS_CH3_CFGDMA	0x0005c600	/* PBus Ch. 3 DMA config */
    287 #define HPC_PBUS_CH3_CFGDMA_SIZE    0x01ff
    288 
    289 #define HPC_PBUS_CH4_CFGDMA	0x0005c800	/* PBus Ch. 4 DMA config */
    290 #define HPC_PBUS_CH4_CFGDMA_SIZE    0x01ff
    291 
    292 #define HPC_PBUS_CH5_CFGDMA	0x0005ca00	/* PBus Ch. 5 DMA config */
    293 #define HPC_PBUS_CH5_CFGDMA_SIZE    0x01ff
    294 
    295 #define HPC_PBUS_CH6_CFGDMA	0x0005cc00	/* PBus Ch. 6 DMA config */
    296 #define HPC_PBUS_CH6_CFGDMA_SIZE    0x01ff
    297 
    298 #define HPC_PBUS_CH7_CFGDMA	0x0005ce00	/* PBus Ch. 7 DMA config */
    299 #define HPC_PBUS_CH7_CFGDMA_SIZE    0x01ff
    300 
    301 #define HPC_PBUS_CFGPIO_REGS	0x0005d000	/* PBus PIO config registers */
    302 #define HPC_PBUS_CFGPIO_REGS_SIZE   0x0fff
    303 
    304 #define HPC_PBUS_CH0_CFGPIO	0x0005d000	/* PBus Ch. 0 PIO config */
    305 #define HPC_PBUS_CH1_CFGPIO	0x0005d100	/* PBus Ch. 1 PIO config */
    306 #define HPC_PBUS_CH2_CFGPIO	0x0005d200	/* PBus Ch. 2 PIO config */
    307 #define HPC_PBUS_CH3_CFGPIO	0x0005d300	/* PBus Ch. 3 PIO config */
    308 #define HPC_PBUS_CH4_CFGPIO	0x0005d400	/* PBus Ch. 4 PIO config */
    309 #define HPC_PBUS_CH5_CFGPIO	0x0005d500	/* PBus Ch. 5 PIO config */
    310 #define HPC_PBUS_CH6_CFGPIO	0x0005d600	/* PBus Ch. 6 PIO config */
    311 #define HPC_PBUS_CH7_CFGPIO	0x0005d700	/* PBus Ch. 7 PIO config */
    312 #define HPC_PBUS_CH8_CFGPIO	0x0005d800	/* PBus Ch. 8 PIO config */
    313 #define HPC_PBUS_CH9_CFGPIO	0x0005d900	/* PBus Ch. 9 PIO config */
    314 #define HPC_PBUS_CH8_CFGPIO_2	0x0005da00	/* PBus Ch. 8 PIO config */
    315 #define HPC_PBUS_CH9_CFGPIO_2	0x0005db00	/* PBus Ch. 9 PIO config */
    316 #define HPC_PBUS_CH8_CFGPIO_3	0x0005dc00	/* PBus Ch. 8 PIO config */
    317 #define HPC_PBUS_CH9_CFGPIO_3	0x0005dd00	/* PBus Ch. 9 PIO config */
    318 #define HPC_PBUS_CH8_CFGPIO_4	0x0005de00	/* PBus Ch. 8 PIO config */
    319 #define HPC_PBUS_CH9_CFGPIO_4	0x0005df00	/* PBus Ch. 9 PIO config */
    320 
    321 #define HPC_PBUS_PROM_WE	0x0005e000	/* PBus boot-prom write
    322 						 * enable register
    323 						 */
    324 
    325 #define HPC_PBUS_PROM_SWAP	0x0005e800	/* PBus boot-prom chip-select
    326 						 * swap register
    327 						 */
    328 
    329 #define HPC_PBUS_GEN_OUT	0x0005f000	/* PBus general-purpose output
    330 						 * register
    331 						 */
    332 
    333 #define HPC_PBUS_BBRAM		0x00060000	/* PBus battery-backed RAM
    334 						 * external registers
    335 						 */
    336 #endif	/* _ARCH_SGIMIPS_HPC_HPCREG_H_ */
    337