Current Path : /sys/amd64/compile/hs32/modules/usr/src/sys/modules/reiserfs/@/powerpc/powerpc/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/amd64/compile/hs32/modules/usr/src/sys/modules/reiserfs/@/powerpc/powerpc/bus_machdep.c |
/*- * Copyright (c) 2006 Semihalf, Rafal Jaworowski <raj@semihalf.com> * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, * NASA Ames Research Center. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD: release/9.1.0/sys/powerpc/powerpc/bus_machdep.c 226567 2011-10-20 15:34:17Z nwhitehorn $"); #define KTR_BE_IO 0 #define KTR_LE_IO 0 #include <sys/param.h> #include <sys/systm.h> #include <sys/bus.h> #include <sys/ktr.h> #include <vm/vm.h> #include <vm/pmap.h> #include <machine/bus.h> #include <machine/pio.h> #include <machine/md_var.h> #define TODO panic("%s: not implemented", __func__) #define MAX_EARLYBOOT_MAPPINGS 6 static struct { bus_addr_t addr; bus_size_t size; int flags; } earlyboot_mappings[MAX_EARLYBOOT_MAPPINGS]; static int earlyboot_map_idx = 0; void bs_remap_earlyboot(void); static __inline void * __ppc_ba(bus_space_handle_t bsh, bus_size_t ofs) { return ((void *)(bsh + ofs)); } static int bs_gen_map(bus_addr_t addr, bus_size_t size, int flags, bus_space_handle_t *bshp) { vm_memattr_t ma; /* * Record what we did if we haven't enabled the MMU yet. We * will need to remap it as soon as the MMU comes up. */ if (!pmap_bootstrapped) { KASSERT(earlyboot_map_idx < MAX_EARLYBOOT_MAPPINGS, ("%s: too many early boot mapping requests", __func__)); earlyboot_mappings[earlyboot_map_idx].addr = addr; earlyboot_mappings[earlyboot_map_idx].size = size; earlyboot_mappings[earlyboot_map_idx].flags = flags; earlyboot_map_idx++; *bshp = addr; } else { ma = VM_MEMATTR_DEFAULT; switch (flags) { case BUS_SPACE_MAP_CACHEABLE: ma = VM_MEMATTR_CACHEABLE; break; case BUS_SPACE_MAP_PREFETCHABLE: ma = VM_MEMATTR_PREFETCHABLE; break; } *bshp = (bus_space_handle_t)pmap_mapdev_attr(addr, size, ma); } return (0); } void bs_remap_earlyboot(void) { int i; vm_offset_t pa, spa; vm_memattr_t ma; for (i = 0; i < earlyboot_map_idx; i++) { spa = earlyboot_mappings[i].addr; if (pmap_dev_direct_mapped(spa, earlyboot_mappings[i].size) == 0) continue; ma = VM_MEMATTR_DEFAULT; switch (earlyboot_mappings[i].flags) { case BUS_SPACE_MAP_CACHEABLE: ma = VM_MEMATTR_CACHEABLE; break; case BUS_SPACE_MAP_PREFETCHABLE: ma = VM_MEMATTR_PREFETCHABLE; break; } pa = trunc_page(spa); while (pa < spa + earlyboot_mappings[i].size) { pmap_kenter_attr(pa, pa, ma); pa += PAGE_SIZE; } } } static void bs_gen_unmap(bus_size_t size __unused) { } static int bs_gen_subregion(bus_space_handle_t bsh, bus_size_t ofs, bus_size_t size __unused, bus_space_handle_t *nbshp) { *nbshp = bsh + ofs; return (0); } static int bs_gen_alloc(bus_addr_t rstart __unused, bus_addr_t rend __unused, bus_size_t size __unused, bus_size_t alignment __unused, bus_size_t boundary __unused, int flags __unused, bus_addr_t *bpap __unused, bus_space_handle_t *bshp __unused) { TODO; } static void bs_gen_free(bus_space_handle_t bsh __unused, bus_size_t size __unused) { TODO; } static void bs_gen_barrier(bus_space_handle_t bsh __unused, bus_size_t ofs __unused, bus_size_t size __unused, int flags __unused) { __asm __volatile("eieio; sync" : : : "memory"); } /* * Big-endian access functions */ static uint8_t bs_be_rs_1(bus_space_handle_t bsh, bus_size_t ofs) { volatile uint8_t *addr; uint8_t res; addr = __ppc_ba(bsh, ofs); res = *addr; CTR4(KTR_BE_IO, "%s(bsh=%#x, ofs=%#x) = %#x", __func__, bsh, ofs, res); return (res); } static uint16_t bs_be_rs_2(bus_space_handle_t bsh, bus_size_t ofs) { volatile uint16_t *addr; uint16_t res; addr = __ppc_ba(bsh, ofs); res = *addr; CTR4(KTR_BE_IO, "%s(bsh=%#x, ofs=%#x) = %#x", __func__, bsh, ofs, res); return (res); } static uint32_t bs_be_rs_4(bus_space_handle_t bsh, bus_size_t ofs) { volatile uint32_t *addr; uint32_t res; addr = __ppc_ba(bsh, ofs); res = *addr; CTR4(KTR_BE_IO, "%s(bsh=%#x, ofs=%#x) = %#x", __func__, bsh, ofs, res); return (res); } static uint64_t bs_be_rs_8(bus_space_handle_t bsh, bus_size_t ofs) { volatile uint64_t *addr; uint64_t res; addr = __ppc_ba(bsh, ofs); res = *addr; return (res); } static void bs_be_rm_1(bus_space_handle_t bsh, bus_size_t ofs, uint8_t *addr, size_t cnt) { ins8(__ppc_ba(bsh, ofs), addr, cnt); } static void bs_be_rm_2(bus_space_handle_t bsh, bus_size_t ofs, uint16_t *addr, size_t cnt) { ins16(__ppc_ba(bsh, ofs), addr, cnt); } static void bs_be_rm_4(bus_space_handle_t bsh, bus_size_t ofs, uint32_t *addr, size_t cnt) { ins32(__ppc_ba(bsh, ofs), addr, cnt); } static void bs_be_rm_8(bus_space_handle_t bsh, bus_size_t ofs, uint64_t *addr, size_t cnt) { ins64(__ppc_ba(bsh, ofs), addr, cnt); } static void bs_be_rr_1(bus_space_handle_t bsh, bus_size_t ofs, uint8_t *addr, size_t cnt) { volatile uint8_t *s = __ppc_ba(bsh, ofs); while (cnt--) *addr++ = *s++; __asm __volatile("eieio; sync"); } static void bs_be_rr_2(bus_space_handle_t bsh, bus_size_t ofs, uint16_t *addr, size_t cnt) { volatile uint16_t *s = __ppc_ba(bsh, ofs); while (cnt--) *addr++ = *s++; __asm __volatile("eieio; sync"); } static void bs_be_rr_4(bus_space_handle_t bsh, bus_size_t ofs, uint32_t *addr, size_t cnt) { volatile uint32_t *s = __ppc_ba(bsh, ofs); while (cnt--) *addr++ = *s++; __asm __volatile("eieio; sync"); } static void bs_be_rr_8(bus_space_handle_t bsh, bus_size_t ofs, uint64_t *addr, size_t cnt) { volatile uint64_t *s = __ppc_ba(bsh, ofs); while (cnt--) *addr++ = *s++; __asm __volatile("eieio; sync"); } static void bs_be_ws_1(bus_space_handle_t bsh, bus_size_t ofs, uint8_t val) { volatile uint8_t *addr; addr = __ppc_ba(bsh, ofs); *addr = val; __asm __volatile("eieio; sync"); CTR4(KTR_BE_IO, "%s(bsh=%#x, ofs=%#x, val=%#x)", __func__, bsh, ofs, val); } static void bs_be_ws_2(bus_space_handle_t bsh, bus_size_t ofs, uint16_t val) { volatile uint16_t *addr; addr = __ppc_ba(bsh, ofs); *addr = val; __asm __volatile("eieio; sync"); CTR4(KTR_BE_IO, "%s(bsh=%#x, ofs=%#x, val=%#x)", __func__, bsh, ofs, val); } static void bs_be_ws_4(bus_space_handle_t bsh, bus_size_t ofs, uint32_t val) { volatile uint32_t *addr; addr = __ppc_ba(bsh, ofs); *addr = val; __asm __volatile("eieio; sync"); CTR4(KTR_BE_IO, "%s(bsh=%#x, ofs=%#x, val=%#x)", __func__, bsh, ofs, val); } static void bs_be_ws_8(bus_space_handle_t bsh, bus_size_t ofs, uint64_t val) { volatile uint64_t *addr; addr = __ppc_ba(bsh, ofs); *addr = val; __asm __volatile("eieio; sync"); } static void bs_be_wm_1(bus_space_handle_t bsh, bus_size_t ofs, const uint8_t *addr, bus_size_t cnt) { outsb(__ppc_ba(bsh, ofs), addr, cnt); } static void bs_be_wm_2(bus_space_handle_t bsh, bus_size_t ofs, const uint16_t *addr, bus_size_t cnt) { outsw(__ppc_ba(bsh, ofs), addr, cnt); } static void bs_be_wm_4(bus_space_handle_t bsh, bus_size_t ofs, const uint32_t *addr, bus_size_t cnt) { outsl(__ppc_ba(bsh, ofs), addr, cnt); } static void bs_be_wm_8(bus_space_handle_t bsh, bus_size_t ofs, const uint64_t *addr, bus_size_t cnt) { outsll(__ppc_ba(bsh, ofs), addr, cnt); } static void bs_be_wr_1(bus_space_handle_t bsh, bus_size_t ofs, const uint8_t *addr, size_t cnt) { volatile uint8_t *d = __ppc_ba(bsh, ofs); while (cnt--) *d++ = *addr++; __asm __volatile("eieio; sync"); } static void bs_be_wr_2(bus_space_handle_t bsh, bus_size_t ofs, const uint16_t *addr, size_t cnt) { volatile uint16_t *d = __ppc_ba(bsh, ofs); while (cnt--) *d++ = *addr++; __asm __volatile("eieio; sync"); } static void bs_be_wr_4(bus_space_handle_t bsh, bus_size_t ofs, const uint32_t *addr, size_t cnt) { volatile uint32_t *d = __ppc_ba(bsh, ofs); while (cnt--) *d++ = *addr++; __asm __volatile("eieio; sync"); } static void bs_be_wr_8(bus_space_handle_t bsh, bus_size_t ofs, const uint64_t *addr, size_t cnt) { volatile uint64_t *d = __ppc_ba(bsh, ofs); while (cnt--) *d++ = *addr++; __asm __volatile("eieio; sync"); } static void bs_be_sm_1(bus_space_handle_t bsh, bus_size_t ofs, uint8_t val, size_t cnt) { volatile uint8_t *d = __ppc_ba(bsh, ofs); while (cnt--) *d = val; __asm __volatile("eieio; sync"); } static void bs_be_sm_2(bus_space_handle_t bsh, bus_size_t ofs, uint16_t val, size_t cnt) { volatile uint16_t *d = __ppc_ba(bsh, ofs); while (cnt--) *d = val; __asm __volatile("eieio; sync"); } static void bs_be_sm_4(bus_space_handle_t bsh, bus_size_t ofs, uint32_t val, size_t cnt) { volatile uint32_t *d = __ppc_ba(bsh, ofs); while (cnt--) *d = val; __asm __volatile("eieio; sync"); } static void bs_be_sm_8(bus_space_handle_t bsh, bus_size_t ofs, uint64_t val, size_t cnt) { volatile uint64_t *d = __ppc_ba(bsh, ofs); while (cnt--) *d = val; __asm __volatile("eieio; sync"); } static void bs_be_sr_1(bus_space_handle_t bsh, bus_size_t ofs, uint8_t val, size_t cnt) { volatile uint8_t *d = __ppc_ba(bsh, ofs); while (cnt--) *d++ = val; __asm __volatile("eieio; sync"); } static void bs_be_sr_2(bus_space_handle_t bsh, bus_size_t ofs, uint16_t val, size_t cnt) { volatile uint16_t *d = __ppc_ba(bsh, ofs); while (cnt--) *d++ = val; __asm __volatile("eieio; sync"); } static void bs_be_sr_4(bus_space_handle_t bsh, bus_size_t ofs, uint32_t val, size_t cnt) { volatile uint32_t *d = __ppc_ba(bsh, ofs); while (cnt--) *d++ = val; __asm __volatile("eieio; sync"); } static void bs_be_sr_8(bus_space_handle_t bsh, bus_size_t ofs, uint64_t val, size_t cnt) { volatile uint64_t *d = __ppc_ba(bsh, ofs); while (cnt--) *d++ = val; __asm __volatile("eieio; sync"); } /* * Little-endian access functions */ static uint8_t bs_le_rs_1(bus_space_handle_t bsh, bus_size_t ofs) { volatile uint8_t *addr; uint8_t res; addr = __ppc_ba(bsh, ofs); res = *addr; __asm __volatile("eieio; sync"); CTR4(KTR_LE_IO, "%s(bsh=%#x, ofs=%#x) = %#x", __func__, bsh, ofs, res); return (res); } static uint16_t bs_le_rs_2(bus_space_handle_t bsh, bus_size_t ofs) { volatile uint16_t *addr; uint16_t res; addr = __ppc_ba(bsh, ofs); __asm __volatile("lhbrx %0, 0, %1" : "=r"(res) : "r"(addr)); __asm __volatile("eieio; sync"); CTR4(KTR_LE_IO, "%s(bsh=%#x, ofs=%#x) = %#x", __func__, bsh, ofs, res); return (res); } static uint32_t bs_le_rs_4(bus_space_handle_t bsh, bus_size_t ofs) { volatile uint32_t *addr; uint32_t res; addr = __ppc_ba(bsh, ofs); __asm __volatile("lwbrx %0, 0, %1" : "=r"(res) : "r"(addr)); __asm __volatile("eieio; sync"); CTR4(KTR_LE_IO, "%s(bsh=%#x, ofs=%#x) = %#x", __func__, bsh, ofs, res); return (res); } static uint64_t bs_le_rs_8(bus_space_handle_t bsh, bus_size_t ofs) { TODO; } static void bs_le_rm_1(bus_space_handle_t bsh, bus_size_t ofs, uint8_t *addr, size_t cnt) { ins8(__ppc_ba(bsh, ofs), addr, cnt); } static void bs_le_rm_2(bus_space_handle_t bsh, bus_size_t ofs, uint16_t *addr, size_t cnt) { ins16rb(__ppc_ba(bsh, ofs), addr, cnt); } static void bs_le_rm_4(bus_space_handle_t bsh, bus_size_t ofs, uint32_t *addr, size_t cnt) { ins32rb(__ppc_ba(bsh, ofs), addr, cnt); } static void bs_le_rm_8(bus_space_handle_t bshh, bus_size_t ofs, uint64_t *addr, size_t cnt) { TODO; } static void bs_le_rr_1(bus_space_handle_t bsh, bus_size_t ofs, uint8_t *addr, size_t cnt) { volatile uint8_t *s = __ppc_ba(bsh, ofs); while (cnt--) *addr++ = *s++; __asm __volatile("eieio; sync"); } static void bs_le_rr_2(bus_space_handle_t bsh, bus_size_t ofs, uint16_t *addr, size_t cnt) { volatile uint16_t *s = __ppc_ba(bsh, ofs); while (cnt--) *addr++ = in16rb(s++); __asm __volatile("eieio; sync"); } static void bs_le_rr_4(bus_space_handle_t bsh, bus_size_t ofs, uint32_t *addr, size_t cnt) { volatile uint32_t *s = __ppc_ba(bsh, ofs); while (cnt--) *addr++ = in32rb(s++); __asm __volatile("eieio; sync"); } static void bs_le_rr_8(bus_space_handle_t bsh, bus_size_t ofs, uint64_t *addr, size_t cnt) { TODO; } static void bs_le_ws_1(bus_space_handle_t bsh, bus_size_t ofs, uint8_t val) { volatile uint8_t *addr; addr = __ppc_ba(bsh, ofs); *addr = val; CTR4(KTR_LE_IO, "%s(bsh=%#x, ofs=%#x, val=%#x)", __func__, bsh, ofs, val); } static void bs_le_ws_2(bus_space_handle_t bsh, bus_size_t ofs, uint16_t val) { volatile uint16_t *addr; addr = __ppc_ba(bsh, ofs); __asm __volatile("sthbrx %0, 0, %1" :: "r"(val), "r"(addr)); CTR4(KTR_LE_IO, "%s(bsh=%#x, ofs=%#x, val=%#x)", __func__, bsh, ofs, val); } static void bs_le_ws_4(bus_space_handle_t bsh, bus_size_t ofs, uint32_t val) { volatile uint32_t *addr; addr = __ppc_ba(bsh, ofs); __asm __volatile("stwbrx %0, 0, %1" :: "r"(val), "r"(addr)); CTR4(KTR_LE_IO, "%s(bsh=%#x, ofs=%#x, val=%#x)", __func__, bsh, ofs, val); } static void bs_le_ws_8(bus_space_handle_t bsh, bus_size_t ofs, uint64_t val) { TODO; } static void bs_le_wm_1(bus_space_handle_t bsh, bus_size_t ofs, const uint8_t *addr, bus_size_t cnt) { outs8(__ppc_ba(bsh, ofs), addr, cnt); } static void bs_le_wm_2(bus_space_handle_t bsh, bus_size_t ofs, const uint16_t *addr, bus_size_t cnt) { outs16rb(__ppc_ba(bsh, ofs), addr, cnt); } static void bs_le_wm_4(bus_space_handle_t bsh, bus_size_t ofs, const uint32_t *addr, bus_size_t cnt) { outs32rb(__ppc_ba(bsh, ofs), addr, cnt); } static void bs_le_wm_8(bus_space_handle_t bsh, bus_size_t ofs, const uint64_t *addr, bus_size_t cnt) { TODO; } static void bs_le_wr_1(bus_space_handle_t bsh, bus_size_t ofs, const uint8_t *addr, size_t cnt) { volatile uint8_t *d = __ppc_ba(bsh, ofs); while (cnt--) *d++ = *addr++; __asm __volatile("eieio; sync"); } static void bs_le_wr_2(bus_space_handle_t bsh, bus_size_t ofs, const uint16_t *addr, size_t cnt) { volatile uint16_t *d = __ppc_ba(bsh, ofs); while (cnt--) out16rb(d++, *addr++); __asm __volatile("eieio; sync"); } static void bs_le_wr_4(bus_space_handle_t bsh, bus_size_t ofs, const uint32_t *addr, size_t cnt) { volatile uint32_t *d = __ppc_ba(bsh, ofs); while (cnt--) out32rb(d++, *addr++); __asm __volatile("eieio; sync"); } static void bs_le_wr_8(bus_space_handle_t bsh, bus_size_t ofs, const uint64_t *addr, size_t cnt) { TODO; } static void bs_le_sm_1(bus_space_handle_t bsh, bus_size_t ofs, uint8_t val, size_t cnt) { volatile uint8_t *d = __ppc_ba(bsh, ofs); while (cnt--) *d = val; __asm __volatile("eieio; sync"); } static void bs_le_sm_2(bus_space_handle_t bsh, bus_size_t ofs, uint16_t val, size_t cnt) { volatile uint16_t *d = __ppc_ba(bsh, ofs); while (cnt--) out16rb(d, val); __asm __volatile("eieio; sync"); } static void bs_le_sm_4(bus_space_handle_t bsh, bus_size_t ofs, uint32_t val, size_t cnt) { volatile uint32_t *d = __ppc_ba(bsh, ofs); while (cnt--) out32rb(d, val); __asm __volatile("eieio; sync"); } static void bs_le_sm_8(bus_space_handle_t bsh, bus_size_t ofs, uint64_t val, size_t cnt) { TODO; } static void bs_le_sr_1(bus_space_handle_t bsh, bus_size_t ofs, uint8_t val, size_t cnt) { volatile uint8_t *d = __ppc_ba(bsh, ofs); while (cnt--) *d++ = val; __asm __volatile("eieio; sync"); } static void bs_le_sr_2(bus_space_handle_t bsh, bus_size_t ofs, uint16_t val, size_t cnt) { volatile uint16_t *d = __ppc_ba(bsh, ofs); while (cnt--) out16rb(d++, val); __asm __volatile("eieio; sync"); } static void bs_le_sr_4(bus_space_handle_t bsh, bus_size_t ofs, uint32_t val, size_t cnt) { volatile uint32_t *d = __ppc_ba(bsh, ofs); while (cnt--) out32rb(d++, val); __asm __volatile("eieio; sync"); } static void bs_le_sr_8(bus_space_handle_t bsh, bus_size_t ofs, uint64_t val, size_t cnt) { TODO; } struct bus_space bs_be_tag = { /* mapping/unmapping */ bs_gen_map, bs_gen_unmap, bs_gen_subregion, /* allocation/deallocation */ bs_gen_alloc, bs_gen_free, /* barrier */ bs_gen_barrier, /* read (single) */ bs_be_rs_1, bs_be_rs_2, bs_be_rs_4, bs_be_rs_8, bs_be_rs_2, bs_be_rs_4, bs_be_rs_8, /* read multiple */ bs_be_rm_1, bs_be_rm_2, bs_be_rm_4, bs_be_rm_8, bs_be_rm_2, bs_be_rm_4, bs_be_rm_8, /* read region */ bs_be_rr_1, bs_be_rr_2, bs_be_rr_4, bs_be_rr_8, bs_be_rr_2, bs_be_rr_4, bs_be_rr_8, /* write (single) */ bs_be_ws_1, bs_be_ws_2, bs_be_ws_4, bs_be_ws_8, bs_be_ws_2, bs_be_ws_4, bs_be_ws_8, /* write multiple */ bs_be_wm_1, bs_be_wm_2, bs_be_wm_4, bs_be_wm_8, bs_be_wm_2, bs_be_wm_4, bs_be_wm_8, /* write region */ bs_be_wr_1, bs_be_wr_2, bs_be_wr_4, bs_be_wr_8, bs_be_wr_2, bs_be_wr_4, bs_be_wr_8, /* set multiple */ bs_be_sm_1, bs_be_sm_2, bs_be_sm_4, bs_be_sm_8, bs_be_sm_2, bs_be_sm_4, bs_be_sm_8, /* set region */ bs_be_sr_1, bs_be_sr_2, bs_be_sr_4, bs_be_sr_8, bs_be_sr_2, bs_be_sr_4, bs_be_sr_8, }; struct bus_space bs_le_tag = { /* mapping/unmapping */ bs_gen_map, bs_gen_unmap, bs_gen_subregion, /* allocation/deallocation */ bs_gen_alloc, bs_gen_free, /* barrier */ bs_gen_barrier, /* read (single) */ bs_le_rs_1, bs_le_rs_2, bs_le_rs_4, bs_le_rs_8, bs_be_rs_2, bs_be_rs_4, bs_be_rs_8, /* read multiple */ bs_le_rm_1, bs_le_rm_2, bs_le_rm_4, bs_le_rm_8, bs_be_rm_2, bs_be_rm_4, bs_be_rm_8, /* read region */ bs_le_rr_1, bs_le_rr_2, bs_le_rr_4, bs_le_rr_8, bs_be_rr_2, bs_be_rr_4, bs_be_rr_8, /* write (single) */ bs_le_ws_1, bs_le_ws_2, bs_le_ws_4, bs_le_ws_8, bs_be_ws_2, bs_be_ws_4, bs_be_ws_8, /* write multiple */ bs_le_wm_1, bs_le_wm_2, bs_le_wm_4, bs_le_wm_8, bs_be_wm_2, bs_be_wm_4, bs_be_wm_8, /* write region */ bs_le_wr_1, bs_le_wr_2, bs_le_wr_4, bs_le_wr_8, bs_be_wr_2, bs_be_wr_4, bs_be_wr_8, /* set multiple */ bs_le_sm_1, bs_le_sm_2, bs_le_sm_4, bs_le_sm_8, bs_be_sm_2, bs_be_sm_4, bs_be_sm_8, /* set region */ bs_le_sr_1, bs_le_sr_2, bs_le_sr_4, bs_le_sr_8, bs_be_sr_2, bs_be_sr_4, bs_be_sr_8, };