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gemini_a4x_space.c revision 1.3 
      1 /*	$NetBSD: gemini_a4x_space.c,v 1.3 2018/03/16 17:56:31 ryo Exp $	*/
      2 
      3 /* adapted from:
      4  *	NetBSD: pxa2x0_a4x_space.c,v 1.4 2006/07/28 08:15:29 simonb Exp
      5  */
      6 
      7 /*
      8  * Copyright (c) 2002  Genetec Corporation.  All rights reserved.
      9  * Written by Hiroyuki Bessho for Genetec Corporation.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  * 3. All advertising materials mentioning features or use of this software
     20  *    must display the following acknowledgement:
     21  *	This product includes software developed for the NetBSD Project by
     22  *	Genetec Corporation.
     23  * 4. The name of Genetec Corporation may not be used to endorse or
     24  *    promote products derived from this software without specific prior
     25  *    written permission.
     26  *
     27  * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
     28  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL GENETEC CORPORATION
     31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     37  * POSSIBILITY OF SUCH DAMAGE.
     38  */
     39 
     40 /*
     41  * Bus space tag for 8/16-bit devices on 32-bit bus.
     42  * all registers are located at the address of multiple of 4.
     43  */
     44 
     45 #include <sys/cdefs.h>
     46 __KERNEL_RCSID(0, "$NetBSD: gemini_a4x_space.c,v 1.3 2018/03/16 17:56:31 ryo Exp $");
     47 
     48 #include <sys/param.h>
     49 #include <sys/systm.h>
     50 
     51 #include <uvm/uvm_extern.h>
     52 
     53 #include <sys/bus.h>
     54 
     55 /* Prototypes for all the bus_space structure functions */
     56 bs_protos(gemini);
     57 bs_protos(a4x);
     58 bs_protos(generic);
     59 bs_protos(generic_armv4);
     60 bs_protos(bs_notimpl);
     61 
     62 struct bus_space gemini_a4x_bs_tag = {
     63 	/* cookie */
     64 	.bs_cookie = (void *) 0,
     65 
     66 	/* mapping/unmapping */
     67 	.bs_map = gemini_bs_map,
     68 	.bs_unmap = gemini_bs_unmap,
     69 	.bs_subregion = gemini_bs_subregion,
     70 
     71 	/* allocation/deallocation */
     72 	.bs_alloc = gemini_bs_alloc,	/* not implemented */
     73 	.bs_free = gemini_bs_free,	/* not implemented */
     74 
     75 	/* get kernel virtual address */
     76 	.bs_vaddr = gemini_bs_vaddr,
     77 
     78 	/* mmap */
     79 	.bs_mmap = bs_notimpl_bs_mmap,
     80 
     81 	/* barrier */
     82 	.bs_barrier = gemini_bs_barrier,
     83 
     84 	/* read (single) */
     85 	.bs_r_1 = a4x_bs_r_1,
     86 	.bs_r_2 = a4x_bs_r_2,
     87 	.bs_r_4 = a4x_bs_r_4,
     88 	.bs_r_8 = bs_notimpl_bs_r_8,
     89 
     90 	/* read multiple */
     91 	.bs_rm_1 = a4x_bs_rm_1,
     92 	.bs_rm_2 = a4x_bs_rm_2,
     93 	.bs_rm_4 = bs_notimpl_bs_rm_4,
     94 	.bs_rm_8 = bs_notimpl_bs_rm_8,
     95 
     96 	/* read region */
     97 	.bs_rr_1 = bs_notimpl_bs_rr_1,
     98 	.bs_rr_2 = bs_notimpl_bs_rr_2,
     99 	.bs_rr_4 = bs_notimpl_bs_rr_4,
    100 	.bs_rr_8 = bs_notimpl_bs_rr_8,
    101 
    102 	/* write (single) */
    103 	.bs_w_1 = a4x_bs_w_1,
    104 	.bs_w_2 = a4x_bs_w_2,
    105 	.bs_w_4 = a4x_bs_w_4,
    106 	.bs_w_8 = bs_notimpl_bs_w_8,
    107 
    108 	/* write multiple */
    109 	.bs_wm_1 = a4x_bs_wm_1,
    110 	.bs_wm_2 = a4x_bs_wm_2,
    111 	.bs_wm_4 = bs_notimpl_bs_wm_4,
    112 	.bs_wm_8 = bs_notimpl_bs_wm_8,
    113 
    114 	/* write region */
    115 	.bs_wr_1 = bs_notimpl_bs_wr_1,
    116 	.bs_wr_2 = bs_notimpl_bs_wr_2,
    117 	.bs_wr_4 = bs_notimpl_bs_wr_4,
    118 	.bs_wr_8 = bs_notimpl_bs_wr_8,
    119 
    120 	/* set multiple */
    121 	.bs_sm_1 = bs_notimpl_bs_sm_1,
    122 	.bs_sm_2 = bs_notimpl_bs_sm_2,
    123 	.bs_sm_4 = bs_notimpl_bs_sm_4,
    124 	.bs_sm_8 = bs_notimpl_bs_sm_8,
    125 
    126 	/* set region */
    127 	.bs_sr_1 = bs_notimpl_bs_sr_1,
    128 	.bs_sr_2 = bs_notimpl_bs_sr_2,
    129 	.bs_sr_4 = bs_notimpl_bs_sr_4,
    130 	.bs_sr_8 = bs_notimpl_bs_sr_8,
    131 
    132 	/* copy */
    133 	.bs_c_1 = bs_notimpl_bs_c_1,
    134 	.bs_c_2 = bs_notimpl_bs_c_2,
    135 	.bs_c_4 = bs_notimpl_bs_c_4,
    136 	.bs_c_8 = bs_notimpl_bs_c_8,
    137 };
    138