diff options
Diffstat (limited to 'sys/arch/arm/s3c2xx0/s3c2xx0_space.c')
| -rw-r--r-- | sys/arch/arm/s3c2xx0/s3c2xx0_space.c | 268 |
1 files changed, 0 insertions, 268 deletions
diff --git a/sys/arch/arm/s3c2xx0/s3c2xx0_space.c b/sys/arch/arm/s3c2xx0/s3c2xx0_space.c deleted file mode 100644 index 6381d073995..00000000000 --- a/sys/arch/arm/s3c2xx0/s3c2xx0_space.c +++ /dev/null @@ -1,268 +0,0 @@ -/* $OpenBSD: s3c2xx0_space.c,v 1.2 2010/03/03 15:12:06 oga Exp $ */ -/* $NetBSD: s3c2xx0_space.c,v 1.7 2005/11/24 13:08:32 yamt Exp $ */ - -/* - * Copyright (c) 2002 Fujitsu Component Limited - * Copyright (c) 2002 Genetec Corporation - * All rights reserved. - * - * 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. Neither the name of The Fujitsu Component Limited nor the name of - * Genetec corporation may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY FUJITSU COMPONENT LIMITED AND GENETEC - * CORPORATION ``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 FUJITSU COMPONENT LIMITED OR GENETEC - * CORPORATION 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. - */ -/* derived from sa11x0_io.c */ - -/* - * Copyright (c) 1997 Mark Brinicombe. - * Copyright (c) 1997 Causality Limited. - * All rights reserved. - * - * This code is derived from software contributed to The NetBSD Foundation - * by Ichiro FUKUHARA. - * - * 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 Mark Brinicombe. - * 4. The name of the company nor the name of the author may be used to - * endorse or promote products derived from this software without specific - * prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. - */ - -/* - * bus_space functions for Samsung S3C2800/2400/2410. - */ - -#include <sys/cdefs.h> -/* -__KERNEL_RCSID(0, "$NetBSD: s3c2xx0_space.c,v 1.7 2005/11/24 13:08:32 yamt Exp $"); -*/ - -#include <sys/param.h> -#include <sys/systm.h> - -#include <uvm/uvm_extern.h> -#include <arm/pmap.h> - -#include <machine/bus.h> - -/* Prototypes for all the bus_space structure functions */ -bs_protos(s3c2xx0); -bs_protos(generic); -bs_protos(generic_armv4); -bs_protos(bs_notimpl); - -struct bus_space s3c2xx0_bs_tag = { - /* cookie */ - (void *) 0, - - /* mapping/unmapping */ - s3c2xx0_bs_map, - s3c2xx0_bs_unmap, - s3c2xx0_bs_subregion, - - /* allocation/deallocation */ - s3c2xx0_bs_alloc, /* not implemented */ - s3c2xx0_bs_free, /* not implemented */ - - /* get kernel virtual address */ - s3c2xx0_bs_vaddr, - - /* mmap */ - bs_notimpl_bs_mmap, - - /* barrier */ - s3c2xx0_bs_barrier, - - /* read (single) */ - generic_bs_r_1, - generic_armv4_bs_r_2, - generic_bs_r_4, - bs_notimpl_bs_r_8, - - /* read multiple */ - generic_bs_rm_1, - generic_armv4_bs_rm_2, - generic_bs_rm_4, - bs_notimpl_bs_rm_8, - - /* read region */ - generic_bs_rr_1, - generic_armv4_bs_rr_2, - generic_bs_rr_4, - bs_notimpl_bs_rr_8, - - /* write (single) */ - generic_bs_w_1, - generic_armv4_bs_w_2, - generic_bs_w_4, - bs_notimpl_bs_w_8, - - /* write multiple */ - generic_bs_wm_1, - generic_armv4_bs_wm_2, - generic_bs_wm_4, - bs_notimpl_bs_wm_8, - - /* write region */ - generic_bs_wr_1, - generic_armv4_bs_wr_2, - generic_bs_wr_4, - bs_notimpl_bs_wr_8, - - /* set multiple */ - bs_notimpl_bs_sm_1, - bs_notimpl_bs_sm_2, - bs_notimpl_bs_sm_4, - bs_notimpl_bs_sm_8, - - /* set region */ - generic_bs_sr_1, - generic_armv4_bs_sr_2, - bs_notimpl_bs_sr_4, - bs_notimpl_bs_sr_8, - - /* copy */ - bs_notimpl_bs_c_1, - generic_armv4_bs_c_2, - bs_notimpl_bs_c_4, - bs_notimpl_bs_c_8, -}; - -int -s3c2xx0_bs_map(void *t, bus_addr_t bpa, bus_size_t size, - int flag, bus_space_handle_t * bshp) -{ - u_long startpa, endpa, pa; - vaddr_t va; - pt_entry_t *pte; - const struct pmap_devmap *pd; - - if ((pd = pmap_devmap_find_pa(bpa, size)) != NULL) { - /* Device was statically mapped. */ - *bshp = pd->pd_va + (bpa - pd->pd_pa); - return 0; - } - startpa = trunc_page(bpa); - endpa = round_page(bpa + size); - - /* XXX use extent manager to check duplicate mapping */ - - va = uvm_km_valloc(kernel_map, endpa - startpa); - if (!va) - return (ENOMEM); - - *bshp = (bus_space_handle_t) (va + (bpa - startpa)); - - for (pa = startpa; pa < endpa; pa += PAGE_SIZE, va += PAGE_SIZE) { - pmap_kenter_pa(va, pa, VM_PROT_READ | VM_PROT_WRITE); - pte = vtopte(va); - if ((flag & BUS_SPACE_MAP_CACHEABLE) == 0) - *pte &= ~L2_S_CACHE_MASK; - } - pmap_update(pmap_kernel()); - - return (0); -} - -void -s3c2xx0_bs_unmap(void *t, bus_space_handle_t bsh, bus_size_t size) -{ - vaddr_t va; - vaddr_t endva; - - if (pmap_devmap_find_va(bsh, size) != NULL) { - /* Device was statically mapped; nothing to do. */ - return; - } - - endva = round_page(bsh + size); - va = trunc_page(bsh); - - pmap_kremove(va, endva - va); - pmap_update(pmap_kernel()); - uvm_km_free(kernel_map, va, endva - va); -} - - -int -s3c2xx0_bs_subregion(void *t, bus_space_handle_t bsh, bus_size_t offset, - bus_size_t size, bus_space_handle_t * nbshp) -{ - - *nbshp = bsh + offset; - return (0); -} - -void -s3c2xx0_bs_barrier(void *t, bus_space_handle_t bsh, bus_size_t offset, - bus_size_t len, int flags) -{ - - /* Nothing to do. */ -} - -void * -s3c2xx0_bs_vaddr(void *t, bus_space_handle_t bsh) -{ - - return ((void *) bsh); -} - - -int -s3c2xx0_bs_alloc(void *t, bus_addr_t rstart, bus_addr_t rend, - bus_size_t size, bus_size_t alignment, bus_size_t boundary, - int flags, bus_addr_t * bpap, bus_space_handle_t * bshp) -{ - - panic("s3c2xx0_io_bs_alloc(): not implemented\n"); -} - -void -s3c2xx0_bs_free(void *t, bus_space_handle_t bsh, bus_size_t size) -{ - - panic("s3c2xx0_io_bs_free(): not implemented\n"); -} |