Implement bus_space_{alloc,free}() for swiz PCI I/O space.
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thorpej
parent
7a6d646c9b
commit
eabad6b572
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@ -1,4 +1,41 @@
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/* $NetBSD: pci_swiz_bus_io_chipdep.c,v 1.23 1997/10/25 01:21:57 thorpej Exp $ */
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/* $NetBSD: pci_swiz_bus_io_chipdep.c,v 1.24 1998/06/06 22:44:46 thorpej Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
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* NASA Ames Research Center.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1995, 1996 Carnegie-Mellon University.
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@ -159,6 +196,10 @@ void __C(CHIP,_io_copy_region_4) __P((void *, bus_space_handle_t,
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void __C(CHIP,_io_copy_region_8) __P((void *, bus_space_handle_t,
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bus_size_t, bus_space_handle_t, bus_size_t, bus_size_t));
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/* Internal */
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void __C(CHIP,_io_mapit) __P((void *, bus_addr_t,
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bus_space_handle_t *));
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#ifndef CHIP_IO_EX_STORE
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static long
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__C(CHIP,_io_ex_storage)[EXTENT_FIXED_STORAGE_SIZE(8) / sizeof(long)];
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@ -275,6 +316,44 @@ __C(CHIP,_bus_io_init)(t, v)
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CHIP_IO_EXTENT(v) = ex;
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}
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void
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__C(CHIP,_io_mapit)(v, ioaddr, iohp)
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void *v;
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bus_addr_t ioaddr;
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bus_space_handle_t *iohp;
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{
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#ifdef CHIP_IO_W1_BUS_START
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if (ioaddr >= CHIP_IO_W1_BUS_START(v) &&
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ioaddr <= CHIP_IO_W1_BUS_END(v)) {
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*iohp = (ALPHA_PHYS_TO_K0SEG(CHIP_IO_W1_SYS_START(v)) >> 5) +
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(ioaddr - CHIP_IO_W1_BUS_START(v));
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} else
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#endif
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#ifdef CHIP_IO_W2_BUS_START
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if (ioaddr >= CHIP_IO_W2_BUS_START(v) &&
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ioaddr <= CHIP_IO_W2_BUS_END(v)) {
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*iohp = (ALPHA_PHYS_TO_K0SEG(CHIP_IO_W2_SYS_START(v)) >> 5) +
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(ioaddr - CHIP_IO_W2_BUS_START(v));
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} else
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#endif
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{
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printf("\n");
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#ifdef CHIP_IO_W1_BUS_START
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printf("%s: window[1]=0x%lx-0x%lx\n",
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__S(__C(CHIP,_io_map)), CHIP_IO_W1_BUS_START(v),
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CHIP_IO_W1_BUS_END(v));
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#endif
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#ifdef CHIP_IO_W2_BUS_START
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printf("%s: window[2]=0x%lx-0x%lx\n",
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__S(__C(CHIP,_io_map)), CHIP_IO_W2_BUS_START(v),
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CHIP_IO_W2_BUS_END(v));
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#endif
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panic("%s: don't know how to map %lx",
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__S(__C(CHIP,_io_mapit)), ioaddr);
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}
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}
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int
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__C(CHIP,_io_map)(v, ioaddr, iosize, flags, iohp)
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void *v;
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@ -305,35 +384,7 @@ __C(CHIP,_io_map)(v, ioaddr, iosize, flags, iohp)
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return (error);
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}
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#ifdef CHIP_IO_W1_BUS_START
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if (ioaddr >= CHIP_IO_W1_BUS_START(v) &&
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ioaddr <= CHIP_IO_W1_BUS_END(v)) {
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*iohp = (ALPHA_PHYS_TO_K0SEG(CHIP_IO_W1_SYS_START(v)) >> 5) +
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(ioaddr - CHIP_IO_W1_BUS_START(v));
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} else
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#endif
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#ifdef CHIP_IO_W2_BUS_START
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if (ioaddr >= CHIP_IO_W2_BUS_START(v) &&
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ioaddr <= CHIP_IO_W2_BUS_END(v)) {
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*iohp = (ALPHA_PHYS_TO_K0SEG(CHIP_IO_W2_SYS_START(v)) >> 5) +
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(ioaddr - CHIP_IO_W2_BUS_START(v));
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} else
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#endif
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{
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printf("\n");
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#ifdef CHIP_IO_W1_BUS_START
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printf("%s: window[1]=0x%lx-0x%lx\n",
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__S(__C(CHIP,_io_map)), CHIP_IO_W1_BUS_START(v),
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CHIP_IO_W1_BUS_END(v));
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#endif
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#ifdef CHIP_IO_W2_BUS_START
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printf("%s: window[2]=0x%lx-0x%lx\n",
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__S(__C(CHIP,_io_map)), CHIP_IO_W2_BUS_START(v),
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CHIP_IO_W2_BUS_END(v));
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#endif
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panic("%s: don't know how to map %lx",
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__S(__C(CHIP,_io_map)), ioaddr);
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}
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__C(CHIP,_io_mapit)(v, ioaddr, iohp);
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return (0);
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}
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@ -418,9 +469,41 @@ __C(CHIP,_io_alloc)(v, rstart, rend, size, align, boundary, flags,
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int flags;
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bus_space_handle_t *bshp;
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{
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int linear = flags & BUS_SPACE_MAP_LINEAR;
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bus_addr_t ioaddr;
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int error;
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/* XXX XXX XXX XXX XXX XXX */
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panic("%s not implemented", __S(__C(CHIP,_io_alloc)));
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/*
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* Can't map i/o space linearly.
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*/
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if (linear)
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return (EOPNOTSUPP);
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/*
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* Do the requested allocation.
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*/
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#ifdef EXTENT_DEBUG
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printf("io: allocating from 0x%lx to 0x%lx\n", rstart, rend);
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#endif
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error = extent_alloc_subregion(CHIP_IO_EXTENT(v), rstart, rend,
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size, align, boundary,
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EX_FAST | EX_NOWAIT | (CHIP_EX_MALLOC_SAFE(v) ? EX_MALLOCOK : 0),
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&ioaddr);
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if (error) {
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#ifdef EXTENT_DEBUG
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printf("io: allocation failed (%d)\n", error);
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extent_print(CHIP_IO_EXTENT(v));
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#endif
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return (error);
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}
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#ifdef EXTENT_DEBUG
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printf("io: allocated 0x%lx to 0x%lx\n", ioaddr, ioaddr + size - 1);
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#endif
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__C(CHIP,_io_mapit)(v, ioaddr, bshp);
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return (0);
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}
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void
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@ -430,8 +513,8 @@ __C(CHIP,_io_free)(v, bsh, size)
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bus_size_t size;
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{
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/* XXX XXX XXX XXX XXX XXX */
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panic("%s not implemented", __S(__C(CHIP,_io_free)));
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/* Unmap does all we need to do. */
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__C(CHIP,_io_unmap)(v, bsh, size);
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}
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inline void
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