Add an internal bus space method alpha_bus_space_translate(), which
provides a method to translate an address on an I/O bus into a sysBus address, along with acccess method information.
This commit is contained in:
thorpej
parent
108b65903a
commit
de974ff82d
@ -1,7 +1,7 @@
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/* $NetBSD: bus.h,v 1.32 2000/02/06 01:23:34 thorpej Exp $ */
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/* $NetBSD: bus.h,v 1.33 2000/02/25 00:45:04 thorpej Exp $ */
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/*-
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* Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
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* Copyright (c) 1997, 1998, 2000 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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@ -100,6 +100,8 @@
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#define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t)
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#endif /* BUS_SPACE_DEBUG */
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struct alpha_bus_space_translation;
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/*
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* Addresses (in bus space).
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*/
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@ -124,6 +126,10 @@ struct alpha_bus_space {
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int (*abs_subregion) __P((void *, bus_space_handle_t,
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bus_size_t, bus_size_t, bus_space_handle_t *));
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/* ALPHA SPECIFIC MAPPING METHOD */
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int (*abs_translate) __P((void *, bus_addr_t, bus_size_t,
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int, struct alpha_bus_space_translation *));
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/* allocation/deallocation */
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int (*abs_alloc) __P((void *, bus_addr_t, bus_addr_t,
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bus_size_t, bus_size_t, bus_size_t, int,
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@ -226,6 +232,21 @@ struct alpha_bus_space {
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bus_space_handle_t, bus_size_t, bus_size_t));
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};
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/*
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* Translation of an Alpha bus address; INTERNAL USE ONLY.
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*/
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struct alpha_bus_space_translation {
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bus_addr_t abst_bus_start; /* start of bus window */
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bus_addr_t abst_bus_end; /* end of bus window */
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paddr_t abst_sys_start; /* start of sysBus window */
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paddr_t abst_sys_end; /* end of sysBus window */
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int abst_addr_shift;/* address shift */
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int abst_size_shift;/* size shift */
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int abst_flags; /* flags; see below */
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};
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#define ABST_BWX 0x01 /* use BWX to access the bus */
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#define ABST_DENSE 0x02 /* space is dense */
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/*
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* Utility macros; INTERNAL USE ONLY.
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@ -278,6 +299,10 @@ do { \
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#define bus_space_subregion(t, h, o, s, hp) \
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(*(t)->abs_subregion)((t)->abs_cookie, (h), (o), (s), (hp))
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#define alpha_bus_space_translate(t, a, s, d, bs, be, ss, se, sh) \
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(*(t)->abs_translate)((t)->abs_cookie, (a), (s), (d), (bs), (be), \
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(ss), (se), (sh))
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#define BUS_SPACE_MAP_CACHEABLE 0x01
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#define BUS_SPACE_MAP_LINEAR 0x02
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#define BUS_SPACE_MAP_PREFETCHABLE 0x04
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@ -1,7 +1,7 @@
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/* $NetBSD: pci_bwx_bus_io_chipdep.c,v 1.6 1999/12/02 19:44:49 thorpej Exp $ */
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/* $NetBSD: pci_bwx_bus_io_chipdep.c,v 1.7 2000/02/25 00:45:05 thorpej Exp $ */
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/*-
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* Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
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* Copyright (c) 1997, 1998, 2000 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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@ -97,6 +97,9 @@ void __C(CHIP,_io_unmap) __P((void *, bus_space_handle_t,
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int __C(CHIP,_io_subregion) __P((void *, bus_space_handle_t,
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bus_size_t, bus_size_t, bus_space_handle_t *));
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int __C(CHIP,_io_translate) __P((void *, bus_addr_t, bus_size_t,
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int, struct alpha_bus_space_translation *));
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/* allocation/deallocation */
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int __C(CHIP,_io_alloc) __P((void *, bus_addr_t, bus_addr_t,
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bus_size_t, bus_size_t, bus_addr_t, int, bus_addr_t *,
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@ -224,6 +227,8 @@ __C(CHIP,_bus_io_init)(t, v)
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t->abs_unmap = __C(CHIP,_io_unmap);
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t->abs_subregion = __C(CHIP,_io_subregion);
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t->abs_translate = __C(CHIP,_io_translate);
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/* allocation/deallocation */
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t->abs_alloc = __C(CHIP,_io_alloc);
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t->abs_free = __C(CHIP,_io_free);
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@ -292,6 +297,32 @@ __C(CHIP,_bus_io_init)(t, v)
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CHIP_IO_EXTENT(v) = ex;
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}
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int
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__C(CHIP,_io_translate)(v, ioaddr, iolen, flags, abst)
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void *v;
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bus_addr_t ioaddr;
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bus_size_t iolen;
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int flags;
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struct alpha_bus_space_translation *abst;
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{
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int linear = flags & BUS_SPACE_MAP_LINEAR;
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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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abst->abst_bus_start = 0;
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abst->abst_bus_end = 0xffffffffUL;
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abst->abst_sys_start = CHIP_IO_SYS_START(v);
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abst->abst_sys_end = CHIP_IO_SYS_START(v) + abst->abst_bus_end;
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abst->abst_addr_shift = 0;
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abst->abst_size_shift = 0;
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abst->abst_flags = ABST_DENSE|ABST_BWX;
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return (0);
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}
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int
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__C(CHIP,_io_map)(v, ioaddr, iosize, flags, iohp, acct)
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void *v;
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@ -301,14 +332,15 @@ __C(CHIP,_io_map)(v, ioaddr, iosize, flags, iohp, acct)
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bus_space_handle_t *iohp;
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int acct;
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{
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int linear = flags & BUS_SPACE_MAP_LINEAR;
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struct alpha_bus_space_translation abst;
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int error;
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/*
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* Can't map i/o space linearly.
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* Get the translation for this address.
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*/
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if (linear)
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return (EOPNOTSUPP);
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error = __C(CHIP,_io_translate)(v, ioaddr, iosize, flags, &abst);
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if (error)
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return (error);
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if (acct == 0)
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goto mapit;
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@ -327,7 +359,7 @@ __C(CHIP,_io_map)(v, ioaddr, iosize, flags, iohp, acct)
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}
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mapit:
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*iohp = ALPHA_PHYS_TO_K0SEG(CHIP_IO_SYS_START(v)) + ioaddr;
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*iohp = ALPHA_PHYS_TO_K0SEG(abst.abst_sys_start + ioaddr);
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return (0);
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}
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@ -386,6 +418,7 @@ __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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struct alpha_bus_space_translation abst;
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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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@ -418,8 +451,15 @@ __C(CHIP,_io_alloc)(v, rstart, rend, size, align, boundary, flags,
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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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error = __C(CHIP,_io_translate)(v, ioaddr, size, flags, &abst);
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if (error) {
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(void) extent_free(CHIP_IO_EXTENT(v), ioaddr, size,
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EX_NOWAIT | (CHIP_EX_MALLOC_SAFE(v) ? EX_MALLOCOK : 0));
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return (error);
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}
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*addrp = ioaddr;
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*bshp = ALPHA_PHYS_TO_K0SEG(CHIP_IO_SYS_START(v)) + ioaddr;
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*bshp = ALPHA_PHYS_TO_K0SEG(abst.abst_sys_start + ioaddr);
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return (0);
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: pci_bwx_bus_mem_chipdep.c,v 1.7 2000/02/06 04:07:18 thorpej Exp $ */
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/* $NetBSD: pci_bwx_bus_mem_chipdep.c,v 1.8 2000/02/25 00:45:05 thorpej Exp $ */
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/*-
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* Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
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@ -97,6 +97,9 @@ void __C(CHIP,_mem_unmap) __P((void *, bus_space_handle_t,
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int __C(CHIP,_mem_subregion) __P((void *, bus_space_handle_t,
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bus_size_t, bus_size_t, bus_space_handle_t *));
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int __C(CHIP,_mem_translate) __P((void *, bus_addr_t, bus_size_t,
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int, struct alpha_bus_space_translation *));
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/* allocation/deallocation */
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int __C(CHIP,_mem_alloc) __P((void *, bus_addr_t, bus_addr_t,
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bus_size_t, bus_size_t, bus_addr_t, int, bus_addr_t *,
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@ -224,6 +227,8 @@ __C(CHIP,_bus_mem_init)(t, v)
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t->abs_unmap = __C(CHIP,_mem_unmap);
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t->abs_subregion = __C(CHIP,_mem_subregion);
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t->abs_translate = __C(CHIP,_mem_translate);
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/* allocation/deallocation */
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t->abs_alloc = __C(CHIP,_mem_alloc);
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t->abs_free = __C(CHIP,_mem_free);
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@ -292,6 +297,19 @@ __C(CHIP,_bus_mem_init)(t, v)
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CHIP_MEM_EXTENT(v) = ex;
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}
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int
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__C(CHIP,_mem_translate)(v, memaddr, memlen, flags, abst)
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void *v;
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bus_addr_t memaddr;
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bus_size_t memlen;
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int flags;
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struct alpha_bus_space_translation *abst;
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{
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/* XXX */
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return (EOPNOTSUPP);
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}
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int
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__C(CHIP,_mem_map)(v, memaddr, memsize, flags, memhp, acct)
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void *v;
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@ -1,7 +1,7 @@
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/* $NetBSD: pci_swiz_bus_io_chipdep.c,v 1.28 1999/12/07 05:44:57 thorpej Exp $ */
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/* $NetBSD: pci_swiz_bus_io_chipdep.c,v 1.29 2000/02/25 00:45:05 thorpej Exp $ */
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/*-
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* Copyright (c) 1998, 2000 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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@ -95,6 +95,9 @@ void __C(CHIP,_io_unmap) __P((void *, bus_space_handle_t,
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int __C(CHIP,_io_subregion) __P((void *, bus_space_handle_t,
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bus_size_t, bus_size_t, bus_space_handle_t *));
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int __C(CHIP,_io_translate) __P((void *, bus_addr_t, bus_size_t,
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int, struct alpha_bus_space_translation *));
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/* allocation/deallocation */
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int __C(CHIP,_io_alloc) __P((void *, bus_addr_t, bus_addr_t,
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bus_size_t, bus_size_t, bus_addr_t, int, bus_addr_t *,
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@ -196,10 +199,6 @@ 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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@ -234,6 +233,8 @@ __C(CHIP,_bus_io_init)(t, v)
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t->abs_unmap = __C(CHIP,_io_unmap);
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t->abs_subregion = __C(CHIP,_io_subregion);
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t->abs_translate = __C(CHIP,_io_translate);
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/* allocation/deallocation */
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t->abs_alloc = __C(CHIP,_io_alloc);
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t->abs_free = __C(CHIP,_io_free);
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@ -324,42 +325,64 @@ __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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int
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__C(CHIP,_io_translate)(v, ioaddr, iolen, flags, abst)
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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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bus_size_t iolen;
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int flags;
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struct alpha_bus_space_translation *abst;
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{
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bus_addr_t ioend = ioaddr + (iolen - 1);
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int linear = flags & BUS_SPACE_MAP_LINEAR;
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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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#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)) >>
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CHIP_ADDR_SHIFT) + (ioaddr - CHIP_IO_W1_BUS_START(v));
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} else
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ioend <= CHIP_IO_W1_BUS_END(v)) {
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abst->abst_bus_start = CHIP_IO_W1_BUS_START(v);
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abst->abst_bus_end = CHIP_IO_W1_BUS_END(v);
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abst->abst_sys_start = CHIP_IO_W1_SYS_START(v);
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abst->abst_sys_end = CHIP_IO_W1_SYS_END(v);
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abst->abst_addr_shift = CHIP_ADDR_SHIFT;
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abst->abst_size_shift = CHIP_SIZE_SHIFT;
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abst->abst_flags = 0;
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return (0);
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}
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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)) >>
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CHIP_ADDR_SHIFT) + (ioaddr - CHIP_IO_W2_BUS_START(v));
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} else
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ioend <= CHIP_IO_W2_BUS_END(v)) {
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abst->abst_bus_start = CHIP_IO_W2_BUS_START(v);
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abst->abst_bus_end = CHIP_IO_W2_BUS_END(v);
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abst->abst_sys_start = CHIP_IO_W2_SYS_START(v);
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abst->abst_sys_end = CHIP_IO_W2_SYS_END(v);
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abst->abst_addr_shift = CHIP_ADDR_SHIFT;
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abst->abst_size_shift = CHIP_SIZE_SHIFT;
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abst->abst_flags = 0;
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return (0);
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}
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#endif
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{
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printf("\n");
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#ifdef EXTENT_DEBUG
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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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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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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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#endif /* EXTENT_DEBUG */
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/* No translation. */
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return (EINVAL);
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}
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int
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@ -371,25 +394,18 @@ __C(CHIP,_io_map)(v, ioaddr, iosize, flags, iohp, acct)
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bus_space_handle_t *iohp;
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int acct;
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{
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int linear = flags & BUS_SPACE_MAP_LINEAR;
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struct alpha_bus_space_translation abst;
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int error;
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/*
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* Can't map i/o space linearly.
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* Get the translation for this address.
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*/
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if (linear)
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return (EOPNOTSUPP);
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error = __C(CHIP,_io_translate)(v, ioaddr, iosize, flags, &abst);
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if (error)
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return (error);
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if (acct == 0) {
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/*
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* XXX We should ensure that the region is actually
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* XXX mappable, but nothing should really be using
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* XXX this interface (only ISA PnP does, and only
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* XXX via a machine-dependent hook), so we don't
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* XXX bother.
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*/
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if (acct == 0)
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goto mapit;
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}
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#ifdef EXTENT_DEBUG
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printf("io: allocating 0x%lx to 0x%lx\n", ioaddr, ioaddr + iosize - 1);
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@ -405,7 +421,8 @@ __C(CHIP,_io_map)(v, ioaddr, iosize, flags, iohp, acct)
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}
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mapit:
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__C(CHIP,_io_mapit)(v, ioaddr, iohp);
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*iohp = (ALPHA_PHYS_TO_K0SEG(abst.abst_sys_start) >>
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CHIP_ADDR_SHIFT) + (ioaddr - abst.abst_bus_start);
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||||
|
||||
return (0);
|
||||
}
|
||||
@ -494,6 +511,7 @@ __C(CHIP,_io_alloc)(v, rstart, rend, size, align, boundary, flags,
|
||||
int flags;
|
||||
bus_space_handle_t *bshp;
|
||||
{
|
||||
struct alpha_bus_space_translation abst;
|
||||
int linear = flags & BUS_SPACE_MAP_LINEAR;
|
||||
bus_addr_t ioaddr;
|
||||
int error;
|
||||
@ -526,8 +544,16 @@ __C(CHIP,_io_alloc)(v, rstart, rend, size, align, boundary, flags,
|
||||
printf("io: allocated 0x%lx to 0x%lx\n", ioaddr, ioaddr + size - 1);
|
||||
#endif
|
||||
|
||||
error = __C(CHIP,_io_translate)(v, ioaddr, size, flags, &abst);
|
||||
if (error) {
|
||||
(void) extent_free(CHIP_IO_EXTENT(v), ioaddr, size,
|
||||
EX_NOWAIT | (CHIP_EX_MALLOC_SAFE(v) ? EX_MALLOCOK : 0));
|
||||
return (error);
|
||||
}
|
||||
|
||||
*addrp = ioaddr;
|
||||
__C(CHIP,_io_mapit)(v, ioaddr, bshp);
|
||||
*bshp = (ALPHA_PHYS_TO_K0SEG(abst.abst_sys_start) >>
|
||||
CHIP_ADDR_SHIFT) + (ioaddr - abst.abst_bus_start);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* $NetBSD: pci_swiz_bus_mem_chipdep.c,v 1.32 2000/02/06 03:52:27 elric Exp $ */
|
||||
/* $NetBSD: pci_swiz_bus_mem_chipdep.c,v 1.33 2000/02/25 00:45:06 thorpej Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1995, 1996 Carnegie-Mellon University.
|
||||
@ -68,6 +68,9 @@ void __C(CHIP,_mem_unmap) __P((void *, bus_space_handle_t,
|
||||
int __C(CHIP,_mem_subregion) __P((void *, bus_space_handle_t,
|
||||
bus_size_t, bus_size_t, bus_space_handle_t *));
|
||||
|
||||
int __C(CHIP,_mem_translate) __P((void *, bus_addr_t, bus_size_t,
|
||||
int, struct alpha_bus_space_translation *));
|
||||
|
||||
/* allocation/deallocation */
|
||||
int __C(CHIP,_mem_alloc) __P((void *, bus_addr_t, bus_addr_t,
|
||||
bus_size_t, bus_size_t, bus_addr_t, int, bus_addr_t *,
|
||||
@ -215,6 +218,8 @@ __C(CHIP,_bus_mem_init)(t, v)
|
||||
t->abs_unmap = __C(CHIP,_mem_unmap);
|
||||
t->abs_subregion = __C(CHIP,_mem_subregion);
|
||||
|
||||
t->abs_translate = __C(CHIP,_mem_translate);
|
||||
|
||||
/* allocation/deallocation */
|
||||
t->abs_alloc = __C(CHIP,_mem_alloc);
|
||||
t->abs_free = __C(CHIP,_mem_free);
|
||||
@ -487,6 +492,19 @@ __C(CHIP,_xlate_sparse_handle_to_addr)(v, memh, memaddrp)
|
||||
return (0);
|
||||
}
|
||||
|
||||
int
|
||||
__C(CHIP,_mem_translate)(v, memaddr, memlen, flags, abst)
|
||||
void *v;
|
||||
bus_addr_t memaddr;
|
||||
bus_size_t memlen;
|
||||
int flags;
|
||||
struct alpha_bus_space_translation *abst;
|
||||
{
|
||||
|
||||
/* XXX */
|
||||
return (EOPNOTSUPP);
|
||||
}
|
||||
|
||||
int
|
||||
__C(CHIP,_mem_map)(v, memaddr, memsize, flags, memhp, acct)
|
||||
void *v;
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/* $NetBSD: tc_bus_mem.c,v 1.19 1999/03/12 22:59:23 perry Exp $ */
|
||||
/* $NetBSD: tc_bus_mem.c,v 1.20 2000/02/25 00:45:06 thorpej Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 1996 Carnegie-Mellon University.
|
||||
@ -33,7 +33,7 @@
|
||||
|
||||
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
|
||||
|
||||
__KERNEL_RCSID(0, "$NetBSD: tc_bus_mem.c,v 1.19 1999/03/12 22:59:23 perry Exp $");
|
||||
__KERNEL_RCSID(0, "$NetBSD: tc_bus_mem.c,v 1.20 2000/02/25 00:45:06 thorpej Exp $");
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
@ -54,6 +54,9 @@ void tc_mem_unmap __P((void *, bus_space_handle_t, bus_size_t, int));
|
||||
int tc_mem_subregion __P((void *, bus_space_handle_t, bus_size_t,
|
||||
bus_size_t, bus_space_handle_t *));
|
||||
|
||||
int tc_mem_translate __P((void *, bus_addr_t, bus_size_t,
|
||||
int, struct alpha_bus_space_translation *));
|
||||
|
||||
/* allocation/deallocation */
|
||||
int tc_mem_alloc __P((void *, bus_addr_t, bus_addr_t, bus_size_t,
|
||||
bus_size_t, bus_addr_t, int, bus_addr_t *,
|
||||
@ -159,6 +162,8 @@ static struct alpha_bus_space tc_mem_space = {
|
||||
tc_mem_unmap,
|
||||
tc_mem_subregion,
|
||||
|
||||
tc_mem_translate,
|
||||
|
||||
/* allocation/deallocation */
|
||||
tc_mem_alloc,
|
||||
tc_mem_free,
|
||||
@ -231,6 +236,19 @@ tc_bus_mem_init(memv)
|
||||
return (h);
|
||||
}
|
||||
|
||||
/* ARGSUSED */
|
||||
int
|
||||
tc_mem_translate(v, memaddr, memlen, flags, abst)
|
||||
void *v;
|
||||
bus_addr_t memaddr;
|
||||
bus_size_t memlen;
|
||||
int flags;
|
||||
struct alpha_bus_space_translation *abst;
|
||||
{
|
||||
|
||||
return (EOPNOTSUPP);
|
||||
}
|
||||
|
||||
/* ARGSUSED */
|
||||
int
|
||||
tc_mem_map(v, memaddr, memsize, flags, memhp, acct)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user