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dwlpxvar.h revision 1.1 
      1 /*	$NetBSD: dwlpxvar.h,v 1.1 1997/03/12 19:20:05 cgd Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1997
      5  * Matthew Jacob
      6  * NASA AMES Research Center.
      7  * All rights reserved.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice immediately at the beginning of the file, without modification,
     14  *    this list of conditions, and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
     25  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  */
     33 
     34 #include <dev/pci/pcivar.h>
     35 #include <sys/extent.h>
     36 
     37 #define	_FSTORE	(EXTENT_FIXED_STORAGE_SIZE(8) / sizeof(long))
     38 
     39 /*
     40  * DWLPX configuration.
     41  */
     42 struct dwlpx_config {
     43 	int				cc_initted;
     44 	bus_space_tag_t			cc_iot;
     45 	bus_space_tag_t			cc_memt;
     46 	struct extent *			cc_io_ex;
     47 	struct extent *			cc_d_mem_ex;
     48 	struct extent *			cc_s_mem_ex;
     49 	struct alpha_pci_chipset	cc_pc;
     50 	struct dwlpx_softc *		cc_sc;	/* back pointer */
     51 	long				cc_io_exstorage[_FSTORE];
     52 	long				cc_dmem_exstorage[_FSTORE];
     53 	long				cc_smem_exstorage[_FSTORE];
     54 	unsigned long			cc_sysbase;	/* shorthand */
     55 };
     56 
     57 struct dwlpx_softc {
     58 	struct device		dwlpx_dev;
     59 	struct dwlpx_config	dwlpx_cc;	/* config info */
     60 	int			dwlpx_node;	/* TurboLaser Node */
     61 	u_int16_t		dwlpx_dtype;	/* Node Type */
     62 	u_int8_t		dwlpx_hosenum;	/* Hose Number */
     63 	u_int8_t		dwlpx_nhpc;	/* # of hpcs */
     64 };
     65 
     66 void	dwlpx_init __P((struct dwlpx_softc *));
     67 void	dwlpx_pci_init __P((pci_chipset_tag_t, void *));
     68 
     69 bus_space_tag_t	dwlpx_bus_io_init __P((void *));
     70 bus_space_tag_t	dwlpx_bus_mem_init __P((void *));
     71 
     72 #define	DWLPX_MAXPCI	1
     73 
     74 /*
     75  * Each DWLPX supports up to 15 devices, 12 of which are PCI slots.
     76  *
     77  * Since the STD I/O modules in slots 12-14 are really a PCI-EISA
     78  * bridge, we'll punt on those for the moment.
     79  */
     80 #define	DWLPX_MAXDEV	12
     81 
     82 /*
     83  * Interrupt Cookie for DWLPX vectors.
     84  *
     85  * Bits 0..3	PCI Slot (0..11)
     86  * Bits 4..7	I/O Hose (0..3)
     87  * Bits 8..11	I/O Node (0..4)
     88  * Bit	15	Constant 1
     89  */
     90 #define	DWLPX_VEC_MARK	(1<<15)
     91 #define	DWLPX_MVEC(ionode, hose, pcislot)	\
     92 	(DWLPX_VEC_MARK | (ionode << 8) | (hose << 4) | (pcislot))
     93 
     94 #define	DWLPX_MVEC_IONODE(cookie)	\
     95 	((((u_int64_t)(cookie)) >> 8) & 0xf)
     96 #define	DWLPX_MVEC_HOSE(cookie)	\
     97 	((((u_int64_t)(cookie)) >> 4) & 0xf)
     98 #define	DWLPX_MVEC_PCISLOT(cookie)	\
     99 	(((u_int64_t)(cookie)) & 0xf)
    100 
    101 /*
    102  * DWLPX Error Interrupt
    103  */
    104 #define	DWLPX_VEC_EMARK	(1<<14)
    105 #define	DWLPX_ERRVEC(ionode, hose)	\
    106 	(DWLPX_VEC_EMARK | (ionode << 8) | (hose << 4))
    107 
    108 /*
    109  * Default values to put into DWLPX IMASK register(s)
    110  */
    111 #define	DWLPX_IMASK_DFLT	\
    112 	(1 << 24) |	/* IPL 17 for error interrupts */ \
    113 	(1 << 17) |	/* IPL 14 for device interrupts */ \
    114 	(1 << 16)	/* Enable Error Interrupts */
    115