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      1 /*	$NetBSD: psychoreg.h,v 1.19 2013/08/20 19:19:23 macallan Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1999 Matthew R. Green
      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  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 /*
     30  * Copyright (c) 1998, 1999 Eduardo E. Horvath
     31  * All rights reserved.
     32  *
     33  * Redistribution and use in source and binary forms, with or without
     34  * modification, are permitted provided that the following conditions
     35  * are met:
     36  * 1. Redistributions of source code must retain the above copyright
     37  *    notice, this list of conditions and the following disclaimer.
     38  * 2. Redistributions in binary form must reproduce the above copyright
     39  *    notice, this list of conditions and the following disclaimer in the
     40  *    documentation and/or other materials provided with the distribution.
     41  * 3. The name of the author may not be used to endorse or promote products
     42  *    derived from this software without specific prior written permission.
     43  *
     44  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     45  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     46  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     47  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     48  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     49  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     50  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     51  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     52  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     53  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     54  * SUCH DAMAGE.
     55  */
     56 #ifndef _SPARC64_DEV_PSYCHOREG_H_
     57 #define _SPARC64_DEV_PSYCHOREG_H_
     58 
     59 /*
     60  * Sun4u PCI definitions.  Here's where we deal w/the machine
     61  * dependencies of psycho and the PCI controller on the UltraIIi.
     62  *
     63  * All PCI registers are bit-swapped, however they are not byte-swapped.
     64  * This means that they must be accessed using little-endian access modes,
     65  * either map the pages little-endian or use little-endian ASIs.
     66  *
     67  * PSYCHO implements two PCI buses, A and B.
     68  */
     69 
     70 struct psychoreg {
     71 	struct upareg {
     72 		uint64_t	upa_portid;	/* UPA port ID register */		/* 1fe.0000.0000 */
     73 		uint64_t	upa_config;	/* UPA config register */		/* 1fe.0000.0008 */
     74 	} sys_upa;
     75 
     76 	uint64_t	psy_csr;		/* PSYCHO control/status register */	/* 1fe.0000.0010 */
     77 	/*
     78 	 * 63     59     55     50     45     4        3       2     1      0
     79 	 * +------+------+------+------+--//---+--------+-------+-----+------+
     80 	 * | IMPL | VERS | MID  | IGN  |  xxx  | APCKEN | APERR | IAP | MODE |
     81 	 * +------+------+------+------+--//---+--------+-------+-----+------+
     82 	 *
     83 	 */
     84 #define PSYCHO_GCSR_IMPL(csr)	((u_int)(((csr) >> 60) & 0xf))
     85 #define PSYCHO_GCSR_VERS(csr)	((u_int)(((csr) >> 56) & 0xf))
     86 #define PSYCHO_GCSR_MID(csr)	((u_int)(((csr) >> 51) & 0x1f))
     87 #define PSYCHO_GCSR_IGN(csr)	((u_int)(((csr) >> 46) & 0x1f))
     88 #define PSYCHO_CSR_APCKEN	8	/* UPA addr parity check enable */
     89 #define PSYCHO_CSR_APERR	4	/* UPA addr parity error */
     90 #define PSYCHO_CSR_IAP		2	/* invert UPA address parity */
     91 #define PSYCHO_CSR_MODE		1	/* UPA/PCI handshake */
     92 
     93 	uint64_t	pad0;
     94 	uint64_t	psy_ecccr;		/* ECC control register */		/* 1fe.0000.0020 */
     95 	uint64_t	reserved;							/* 1fe.0000.0028 */
     96 	uint64_t	psy_ue_afsr;		/* Uncorrectable Error AFSR */		/* 1fe.0000.0030 */
     97 #define	PSYCHO_UE_AFSR_BITS	"\177\020"				\
     98 	"b\27BLK\0b\070P_DTE\0b\071S_DTE\0b\072S_DWR\0b\073S_DRD\0b"	\
     99 	"\075P_DWR\0b\076P_DRD\0\0"
    100 	uint64_t	psy_ue_afar;		/* Uncorrectable Error AFAR */		/* 1fe.0000.0038 */
    101 	uint64_t	psy_ce_afsr;		/* Correctable Error AFSR */		/* 1fe.0000.0040 */
    102 	uint64_t	psy_ce_afar;		/* Correctable Error AFAR */		/* 1fe.0000.0048 */
    103 
    104 	uint64_t	pad1[22];
    105 
    106 	struct perfmon {
    107 		uint64_t	pm_cr;		/* Performance monitor control reg */	/* 1fe.0000.0100 */
    108 		uint64_t	pm_count;	/* Performance monitor counter reg */	/* 1fe.0000.0108 */
    109 	} psy_pm;
    110 
    111 	uint64_t	pad2[30];
    112 
    113 	struct iommureg psy_iommu;							/* 1fe.0000.0200,0210 */
    114 
    115 	uint64_t	pad3[317];
    116 
    117 	uint64_t	pcia_slot0_int;		/* PCI bus a slot 0 irq map reg */	/* 1fe.0000.0c00 */
    118 	uint64_t	pcia_slot1_int;		/* PCI bus a slot 1 irq map reg */	/* 1fe.0000.0c08 */
    119 	uint64_t	pcia_slot2_int;		/* PCI bus a slot 2 irq map reg (IIi)*/	/* 1fe.0000.0c10 */
    120 	uint64_t	pcia_slot3_int;		/* PCI bus a slot 3 irq map reg (IIi)*/	/* 1fe.0000.0c18 */
    121 	uint64_t	pcib_slot0_int;		/* PCI bus b slot 0 irq map reg */	/* 1fe.0000.0c20 */
    122 	uint64_t	pcib_slot1_int;		/* PCI bus b slot 1 irq map reg */	/* 1fe.0000.0c28 */
    123 	uint64_t	pcib_slot2_int;		/* PCI bus b slot 2 irq map reg */	/* 1fe.0000.0c30 */
    124 	uint64_t	pcib_slot3_int;		/* PCI bus b slot 3 irq map reg */	/* 1fe.0000.0c38 */
    125 
    126 	uint64_t	pad4[120];
    127 
    128 	uint64_t	scsi_int_map;		/* SCSI interrupt map reg */		/* 1fe.0000.1000 */
    129 	uint64_t	ether_int_map;		/* ethernet interrupt map reg */	/* 1fe.0000.1008 */
    130 	uint64_t	bpp_int_map;		/* parallel interrupt map reg */	/* 1fe.0000.1010 */
    131 	uint64_t	audior_int_map;		/* audio record interrupt map reg */	/* 1fe.0000.1018 */
    132 	uint64_t	audiop_int_map;		/* audio playback interrupt map reg */	/* 1fe.0000.1020 */
    133 	uint64_t	power_int_map;		/* power fail interrupt map reg */	/* 1fe.0000.1028 */
    134 	uint64_t	ser_kbd_ms_int_map;	/* serial/kbd/mouse interrupt map reg *//* 1fe.0000.1030 */
    135 	uint64_t	fd_int_map;		/* floppy interrupt map reg */		/* 1fe.0000.1038 */
    136 	uint64_t	spare_int_map;		/* spare interrupt map reg */		/* 1fe.0000.1040 */
    137 	uint64_t	kbd_int_map;		/* kbd [unused] interrupt map reg */	/* 1fe.0000.1048 */
    138 	uint64_t	mouse_int_map;		/* mouse [unused] interrupt map reg */	/* 1fe.0000.1050 */
    139 	uint64_t	serial_int_map;		/* second serial interrupt map reg */	/* 1fe.0000.1058 */
    140 	uint64_t	timer0_int_map;		/* timer 0 interrupt map reg */		/* 1fe.0000.1060 */
    141 	uint64_t	timer1_int_map;		/* timer 1 interrupt map reg */		/* 1fe.0000.1068 */
    142 	uint64_t	ue_int_map;		/* UE interrupt map reg */		/* 1fe.0000.1070 */
    143 	uint64_t	ce_int_map;		/* CE interrupt map reg */		/* 1fe.0000.1078 */
    144 	uint64_t	pciaerr_int_map;	/* PCI bus a error interrupt map reg */	/* 1fe.0000.1080 */
    145 	uint64_t	pciberr_int_map;	/* PCI bus b error interrupt map reg */	/* 1fe.0000.1088 */
    146 	uint64_t	pwrmgt_int_map;		/* power mgmt wake interrupt map reg */	/* 1fe.0000.1090 */
    147 	uint64_t	ffb0_int_map;		/* FFB0 graphics interrupt map reg */	/* 1fe.0000.1098 */
    148 	uint64_t	ffb1_int_map;		/* FFB1 graphics interrupt map reg */	/* 1fe.0000.10a0 */
    149 
    150 	uint64_t	pad5[107];
    151 
    152 	/* Note: clear interrupt 0 registers are not really used */
    153 	uint64_t	pcia0_clr_int[4];	/* PCI a slot 0 clear int regs 0..7 */	/* 1fe.0000.1400-1418 */
    154 	uint64_t	pcia1_clr_int[4];	/* PCI a slot 1 clear int regs 0..7 */	/* 1fe.0000.1420-1438 */
    155 	uint64_t	pcia2_clr_int[4];	/* PCI a slot 2 clear int regs 0..7 */	/* 1fe.0000.1440-1458 */
    156 	uint64_t	pcia3_clr_int[4];	/* PCI a slot 3 clear int regs 0..7 */	/* 1fe.0000.1480-1478 */
    157 	uint64_t	pcib0_clr_int[4];	/* PCI b slot 0 clear int regs 0..7 */	/* 1fe.0000.1480-1498 */
    158 	uint64_t	pcib1_clr_int[4];	/* PCI b slot 1 clear int regs 0..7 */	/* 1fe.0000.14a0-14b8 */
    159 	uint64_t	pcib2_clr_int[4];	/* PCI b slot 2 clear int regs 0..7 */	/* 1fe.0000.14c0-14d8 */
    160 	uint64_t	pcib3_clr_int[4];	/* PCI b slot 3 clear int regs 0..7 */	/* 1fe.0000.14d0-14f8 */
    161 
    162 	uint64_t	pad6[96];
    163 
    164 	uint64_t	scsi_clr_int;		/* SCSI clear int reg */		/* 1fe.0000.1800 */
    165 	uint64_t	ether_clr_int;		/* ethernet clear int reg */		/* 1fe.0000.1808 */
    166 	uint64_t	bpp_clr_int;		/* parallel clear int reg */		/* 1fe.0000.1810 */
    167 	uint64_t	audior_clr_int;		/* audio record clear int reg */	/* 1fe.0000.1818 */
    168 	uint64_t	audiop_clr_int;		/* audio playback clear int reg */	/* 1fe.0000.1820 */
    169 	uint64_t	power_clr_int;		/* power fail clear int reg */		/* 1fe.0000.1828 */
    170 	uint64_t	ser_kb_ms_clr_int;	/* serial/kbd/mouse clear int reg */	/* 1fe.0000.1830 */
    171 	uint64_t	fd_clr_int;		/* floppy clear int reg */		/* 1fe.0000.1838 */
    172 	uint64_t	spare_clr_int;		/* spare clear int reg */		/* 1fe.0000.1840 */
    173 	uint64_t	kbd_clr_int;		/* kbd [unused] clear int reg */	/* 1fe.0000.1848 */
    174 	uint64_t	mouse_clr_int;		/* mouse [unused] clear int reg */	/* 1fe.0000.1850 */
    175 	uint64_t	serial_clr_int;		/* second serial clear int reg */	/* 1fe.0000.1858 */
    176 	uint64_t	timer0_clr_int;		/* timer 0 clear int reg */		/* 1fe.0000.1860 */
    177 	uint64_t	timer1_clr_int;		/* timer 1 clear int reg */		/* 1fe.0000.1868 */
    178 	uint64_t	ue_clr_int;		/* UE clear int reg */			/* 1fe.0000.1870 */
    179 	uint64_t	ce_clr_int;		/* CE clear int reg */			/* 1fe.0000.1878 */
    180 	uint64_t	pciaerr_clr_int;	/* PCI bus a error clear int reg */	/* 1fe.0000.1880 */
    181 	uint64_t	pciberr_clr_int;	/* PCI bus b error clear int reg */	/* 1fe.0000.1888 */
    182 	uint64_t	pwrmgt_clr_int;		/* power mgmt wake clr interrupt reg */	/* 1fe.0000.1890 */
    183 
    184 	uint64_t	pad7[45];
    185 
    186 	uint64_t	intr_retry_timer;	/* interrupt retry timer */		/* 1fe.0000.1a00 */
    187 
    188 	uint64_t	pad8[63];
    189 
    190 	struct timer_counter {
    191 		uint64_t	tc_count;	/* timer/counter 0/1 count register */	/* 1fe.0000.1c00,1c10 */
    192 		uint64_t	tc_limit;	/* timer/counter 0/1 limit register */	/* 1fe.0000.1c08,1c18 */
    193 	} tc[2];
    194 
    195 	uint64_t	pci_dma_write_sync;	/* PCI DMA write sync register (IIi) */	/* 1fe.0000.1c20 */
    196 
    197 	uint64_t	pad9[123];
    198 
    199 	struct pci_ctl {
    200 		uint64_t	pci_csr;	/* PCI a/b control/status register */	/* 1fe.0000.2000,4000 */
    201 		uint64_t	pad10;
    202 		uint64_t	pci_afsr;	/* PCI a/b AFSR register */		/* 1fe.0000.2010,4010 */
    203 		uint64_t	pci_afar;	/* PCI a/b AFAR register */		/* 1fe.0000.2018,4018 */
    204 		uint64_t	pci_diag;	/* PCI a/b diagnostic register */	/* 1fe.0000.2020,4020 */
    205 		uint64_t	pci_tasr;	/* PCI target address space reg (IIi)*/	/* 1fe.0000.2028,4028 */
    206 
    207 		uint64_t	pad11[250];
    208 
    209 		/* This is really the IOMMU's, not the PCI bus's */
    210 		struct iommu_strbuf pci_strbuf;						/* 1fe.0000.2800-210 */
    211 #define psy_iommu_strbuf psy_pcictl[0].pci_strbuf
    212 
    213 		uint64_t	pad12[765];
    214 	} psy_pcictl[2];			/* For PCI a and b */
    215 
    216 	/* NB: FFB0 and FFB1 intr map regs also appear at 1fe.0000.6000 and 1fe.0000.8000 respectively */
    217 	uint64_t	pad13[2048];
    218 
    219 	uint64_t	dma_scb_diag0;		/* DMA scoreboard diag reg 0 */		/* 1fe.0000.a000 */
    220 	uint64_t	dma_scb_diag1;		/* DMA scoreboard diag reg 1 */		/* 1fe.0000.a008 */
    221 
    222 	uint64_t	pad14[126];
    223 
    224 	uint64_t	iommu_svadiag;		/* IOMMU virtual addr diag reg */	/* 1fe.0000.a400 */
    225 	uint64_t	iommu_tlb_comp_diag;	/* IOMMU TLB tag compare diag reg */	/* 1fe.0000.a408 */
    226 
    227 	uint64_t	pad15[30];
    228 
    229 	uint64_t	iommu_queue_diag[16];	/* IOMMU LRU queue diag */		/* 1fe.0000.a500-a578 */
    230 	uint64_t	tlb_tag_diag[16];	/* TLB tag diag */			/* 1fe.0000.a580-a5f8 */
    231 	uint64_t	tlb_data_diag[16];	/* TLB data RAM diag */			/* 1fe.0000.a600-a678 */
    232 
    233 	uint64_t	pad16[48];
    234 
    235 	uint64_t	pci_int_diag;		/* PCI int state diag reg */		/* 1fe.0000.a800 */
    236 	uint64_t	obio_int_diag;		/* OBIO and misc int state diag reg */	/* 1fe.0000.a808 */
    237 
    238 	uint64_t	pad17[254];
    239 
    240 	struct strbuf_diag {
    241 		uint64_t	strbuf_data_diag[128];	/* streaming buffer data RAM diag */	/* 1fe.0000.b000-b3f8 */
    242 		uint64_t	strbuf_error_diag[128];	/* streaming buffer error status diag *//* 1fe.0000.b400-b7f8 */
    243 		uint64_t	strbuf_pg_tag_diag[16];	/* streaming buffer page tag diag */	/* 1fe.0000.b800-b878 */
    244 		uint64_t	pad18[16];
    245 		uint64_t	strbuf_ln_tag_diag[16];	/* streaming buffer line tag diag */ /* 1fe.0000.b900-b978 */
    246 		uint64_t	pad19[208];
    247 	} psy_strbufdiag[2];					/* For PCI a and b */
    248 
    249 	/* 1fe.0000.d000-f058 */
    250 	uint64_t	pad20[1036];
    251 	/* US-IIe and II'i' only */
    252 	uint64_t        stick_cmp_low;
    253 	uint64_t        stick_cmp_high;
    254 	uint64_t        stick_count_low;
    255 	uint64_t        stick_count_high;
    256 	uint64_t        estar_mode;
    257 
    258 	/*
    259 	 * Here is the rest of the map, which we're not specifying:
    260 	 *
    261 	 * 1fe.0100.0000 - 1fe.01ff.ffff	PCI configuration space
    262 	 * 1fe.0100.0000 - 1fe.0100.00ff	PCI B configuration header
    263 	 * 1fe.0101.0000 - 1fe.0101.00ff	PCI A configuration header
    264 	 * 1fe.0200.0000 - 1fe.0200.ffff	PCI A I/O space
    265 	 * 1fe.0201.0000 - 1fe.0201.ffff	PCI B I/O space
    266 	 * 1ff.0000.0000 - 1ff.7fff.ffff	PCI A memory space
    267 	 * 1ff.8000.0000 - 1ff.ffff.ffff	PCI B memory space
    268 	 *
    269 	 * NB: config and I/O space can use 1-4 byte accesses, not 8 byte
    270 	 * accesses.  Memory space can use any sized accesses.
    271 	 *
    272 	 * Note that the SUNW,sabre/SUNW,simba combinations found on the
    273 	 * Ultra5 and Ultra10 machines uses slightly differrent addresses
    274 	 * than the above.  This is mostly due to the fact that the APB is
    275 	 * a multi-function PCI device with two PCI bridges, and the U2P is
    276 	 * two separate PCI bridges.  It uses the same PCI configuration
    277 	 * space, though the configuration header for each PCI bus is
    278 	 * located differently due to the SUNW,simba PCI busses being
    279 	 * function 0 and function 1 of the APB, whereas the psycho's are
    280 	 * each their own PCI device.  The I/O and memory spaces are each
    281 	 * split into 8 equally sized areas (8x2MB blocks for I/O space,
    282 	 * and 8x512MB blocks for memory space).  These are allocated in to
    283 	 * either PCI A or PCI B, or neither in the APB's `I/O Address Map
    284 	 * Register A/B' (0xde) and `Memory Address Map Register A/B' (0xdf)
    285 	 * registers of each simba.  We must ensure that both of the
    286 	 * following are correct (the prom should do this for us):
    287 	 *
    288 	 *    (PCI A Memory Address Map) & (PCI B Memory Address Map) == 0
    289 	 *
    290 	 *    (PCI A I/O Address Map) & (PCI B I/O Address Map) == 0
    291 	 *
    292 	 * 1fe.0100.0000 - 1fe.01ff.ffff	PCI configuration space
    293 	 * 1fe.0100.0800 - 1fe.0100.08ff	PCI B configuration header
    294 	 * 1fe.0100.0900 - 1fe.0100.09ff	PCI A configuration header
    295 	 * 1fe.0200.0000 - 1fe.02ff.ffff	PCI I/O space (divided)
    296 	 * 1ff.0000.0000 - 1ff.ffff.ffff	PCI memory space (divided)
    297 	 */
    298 };
    299 
    300 #define STICK_CMP_LOW	0xf060
    301 #define STICK_CMP_HIGH	0xf068
    302 #define STICK_CNT_LOW	0xf070
    303 #define STICK_CNT_HIGH	0xf078
    304 #define ESTAR_MODE	0xf080
    305 
    306 /* what the bits mean! */
    307 
    308 /* PCI [a|b] control/status register */
    309 /* note that the sabre only has one set of PCI control/status registers */
    310 #define	PCICTL_MRLM	0x0000001000000000LL	/* Memory Read Line/Multiple */
    311 #define	PCICTL_SERR	0x0000000400000000LL	/* SERR asserted; W1C */
    312 #define	PCICTL_ARB_PARK	0x0000000000200000LL	/* PCI arbitration parking */
    313 #define	PCICTL_CPU_PRIO	0x0000000000100000LL	/* PCI arbitration parking */
    314 #define	PCICTL_ARB_PRIO	0x00000000000f0000LL	/* PCI arbitration parking */
    315 #define	PCICTL_ERRINTEN	0x0000000000000100LL	/* PCI error interrupt enable */
    316 #define	PCICTL_RTRYWAIT 0x0000000000000080LL	/* PCI error interrupt enable */
    317 #define	PCICTL_4ENABLE	0x000000000000000fLL	/* enable 4 PCI slots */
    318 #define	PCICTL_6ENABLE	0x000000000000003fLL	/* enable 6 PCI slots */
    319 
    320 /* the following registers only exist on US-IIe and US-II'i' */
    321 
    322 /* STICK_CMP_HIGH */
    323 #define STICK_DISABLE	0x80000000	/* disable STICK interrupt */
    324 
    325 /*
    326  * ESTAR_MODE
    327  * CPU clock MUST remain above 66MHz, so we can't use 1/6 on a 400MHz chip
    328  */
    329 #define ESTAR_FULL	0	/* full CPU speed */
    330 #define ESTAR_DIV_2	1	/* 1/2 */
    331 #define ESTAR_DIV_6	2	/* 1/6 */
    332 /*
    333  * the following exist only on US-II'i' - that is the 2nd generation of US-IIe
    334  * CPUs that Sun decided to call US-IIi just to screw with everyone
    335  */
    336 #define ESTAR_DIV_4	3	/* 1/4 */
    337 #define ESTAR_DIV_8	4	/* 1/8 */
    338 
    339 /*
    340  * these are the PROM structures we grovel
    341  */
    342 
    343 /*
    344  * For the physical addresses split into 3 32 bit values, we decode
    345  * them like the following (IEEE1275 PCI Bus binding 2.0, 2.2.1.1
    346  * Numerical Representation):
    347  *
    348  * 	phys.hi cell:	npt000ss bbbbbbbb dddddfff rrrrrrrr
    349  * 	phys.mid cell:	hhhhhhhh hhhhhhhh hhhhhhhh hhhhhhhh
    350  * 	phys.lo cell:	llllllll llllllll llllllll llllllll
    351  *
    352  * where these bits affect the address' properties:
    353  *	n	not-relocatable
    354  *	p	prefetchable
    355  *	t	aliased (non-relocatable IO), below 1MB (memory) or
    356  *		below 64KB (reloc. IO)
    357  *	ss	address space code:
    358  *		00 - configuration space
    359  *		01 - I/O space
    360  *		10 - 32 bit memory space
    361  *		11 - 64 bit memory space
    362  *	bb..bb	8 bit bus number
    363  *	ddddd	5 bit device number
    364  *	fff	3 bit function number
    365  *	rr..rr	8 bit register number
    366  *	hh..hh	32 bit unsigned value
    367  *	ll..ll	32 bit unsigned value
    368  * the values of hh..hh and ll..ll are combined to form a larger number.
    369  *
    370  * For config space, we don't have to do much special.  For I/O space,
    371  * hh..hh must be zero, and if n == 0 ll..ll is the offset from the
    372  * start of I/O space, otherwise ll..ll is the I/O space.  For memory
    373  * space, hh..hh must be zero for the 32 bit space, and is the high 32
    374  * bits in 64 bit space, with ll..ll being the low 32 bits in both cases,
    375  * with offset handling being driver via `n == 0' as for I/O space.
    376  */
    377 
    378 /* commonly used */
    379 #define TAG2BUS(tag)	((tag) >> 16) & 0xff;
    380 #define TAG2DEV(tag)	((tag) >> 11) & 0x1f;
    381 #define TAG2FN(tag)	((tag) >> 8) & 0x7;
    382 
    383 struct psycho_registers {
    384 	uint32_t	phys_hi;
    385 	uint32_t	phys_mid;
    386 	uint32_t	phys_lo;
    387 	uint32_t	size_hi;
    388 	uint32_t	size_lo;
    389 };
    390 
    391 struct psycho_ranges {
    392 	uint32_t	cspace;
    393 	uint32_t	child_hi;
    394 	uint32_t	child_lo;
    395 	uint32_t	phys_hi;
    396 	uint32_t	phys_lo;
    397 	uint32_t	size_hi;
    398 	uint32_t	size_lo;
    399 };
    400 
    401 struct psycho_interrupt_map {
    402 	uint32_t	phys_hi;
    403 	uint32_t	phys_mid;
    404 	uint32_t	phys_lo;
    405 	uint32_t	intr;
    406 	int32_t		child_node;
    407 	uint32_t	child_intr;
    408 };
    409 
    410 struct psycho_interrupt_map_mask {
    411 	uint32_t	phys_hi;
    412 	uint32_t	phys_mid;
    413 	uint32_t	phys_lo;
    414 	uint32_t	intr;
    415 };
    416 
    417 #endif /* _SPARC64_DEV_PSYCHOREG_H_ */
    418