diff options
Diffstat (limited to 'sys/arch/arm/xscale/i80321_space.c')
| -rw-r--r-- | sys/arch/arm/xscale/i80321_space.c | 437 |
1 files changed, 0 insertions, 437 deletions
diff --git a/sys/arch/arm/xscale/i80321_space.c b/sys/arch/arm/xscale/i80321_space.c deleted file mode 100644 index f6b9ed1ca0b..00000000000 --- a/sys/arch/arm/xscale/i80321_space.c +++ /dev/null @@ -1,437 +0,0 @@ -/* $OpenBSD: i80321_space.c,v 1.5 2014/11/16 12:30:56 deraadt Exp $ */ -/* $NetBSD: i80321_space.c,v 1.9 2005/11/24 13:08:32 yamt Exp $ */ - -/* - * Copyright (c) 2001, 2002 Wasabi Systems, Inc. - * All rights reserved. - * - * Written by Jason R. Thorpe for Wasabi Systems, Inc. - * - * 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 for the NetBSD Project by - * Wasabi Systems, Inc. - * 4. The name of Wasabi Systems, Inc. may not be used to endorse - * or promote products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC - * 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 i80321 I/O Processor. - */ - -#include <sys/param.h> -#include <sys/systm.h> - -#include <uvm/uvm_extern.h> - -#include <machine/bus.h> - -#include <arm/xscale/i80321reg.h> -#include <arm/xscale/i80321var.h> - -/* Prototypes for all the bus_space structure functions */ -bs_protos(i80321); -bs_protos(i80321_io); -bs_protos(i80321_mem); -bs_protos(generic); -bs_protos(generic_armv4); -bs_protos(bs_notimpl); - -/* - * Template bus_space -- copied, and the bits that are NULL are - * filled in. - */ -const struct bus_space i80321_bs_tag_template = { - /* cookie */ - (void *) 0, - - /* mapping/unmapping */ - i80321_bs_map, - i80321_bs_unmap, - i80321_bs_subregion, - - /* allocation/deallocation */ - NULL, - NULL, - - /* get kernel virtual address */ - i80321_bs_vaddr, - - /* mmap */ - i80321_bs_mmap, - - /* barrier */ - i80321_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 */ - bs_notimpl_bs_sr_1, - generic_armv4_bs_sr_2, - generic_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, -}; - -void -i80321_bs_init(bus_space_tag_t bs, void *cookie) -{ - - *bs = i80321_bs_tag_template; - bs->bs_cookie = cookie; -} - -void -i80321_io_bs_init(bus_space_tag_t bs, void *cookie) -{ - - *bs = i80321_bs_tag_template; - bs->bs_cookie = cookie; - - bs->bs_map = i80321_io_bs_map; - bs->bs_unmap = i80321_io_bs_unmap; - bs->bs_alloc = i80321_io_bs_alloc; - bs->bs_free = i80321_io_bs_free; - - bs->bs_vaddr = i80321_io_bs_vaddr; -} - -void -i80321_mem_bs_init(bus_space_tag_t bs, void *cookie) -{ - - *bs = i80321_bs_tag_template; - bs->bs_cookie = cookie; - - bs->bs_map = i80321_mem_bs_map; - bs->bs_unmap = i80321_mem_bs_unmap; - bs->bs_alloc = i80321_mem_bs_alloc; - bs->bs_free = i80321_mem_bs_free; - - bs->bs_mmap = i80321_mem_bs_mmap; -} - -int -i80321_bs_map(void *t, bus_addr_t bpa, bus_size_t size, int flag, - bus_space_handle_t *bshp) -{ - const struct pmap_devmap *pd; - paddr_t startpa, endpa, pa, pagecnt; - vaddr_t va; - pt_entry_t *pte; - - if ((pd = pmap_devmap_find_pa(bpa, size)) != NULL) { - /* Device was statically mapped. */ - *bshp = pd->pd_va + (bpa - pd->pd_pa); - return (0); - } - -#if 0 -printf("i80321_bs_map bpa %x, size %x flag %x\n", bpa, size, flag); -#endif - endpa = round_page(bpa + size); - startpa = trunc_page(bpa); - pagecnt = endpa - startpa; - - va = uvm_km_valloc(kernel_map, endpa - startpa); - if (va == 0) - return(ENOMEM); -#if 0 -printf("i80321_bs_map va %x pa %x, endpa %x, sz %x\n", va, startpa, - endpa, endpa-startpa); -#endif - - *bshp = (bus_space_handle_t)(va + (bpa - startpa)); - - for (pa = startpa; pagecnt > 0; - pa += PAGE_SIZE, va += PAGE_SIZE, pagecnt -= PAGE_SIZE) { - pmap_kenter_pa(va, pa, PROT_READ | PROT_WRITE); - if ((flag & BUS_SPACE_MAP_CACHEABLE) == 0) { - pte = vtopte(va); - *pte &= ~L2_S_CACHE_MASK; - PTE_SYNC(pte); - } - } - pmap_update(pmap_kernel()); - - return (0); -} - -void -i80321_bs_unmap(void *t, bus_space_handle_t bsh, bus_size_t size) -{ - vaddr_t va, 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); - uvm_km_free(kernel_map, va, endva - va); -} - - -/* *** Routines shared by i80321, PCI IO, and PCI MEM. *** */ - -int -i80321_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 -i80321_bs_barrier(void *t, bus_space_handle_t bsh, bus_size_t offset, - bus_size_t len, int flags) -{ - - /* Nothing to do. */ -} - -void * -i80321_bs_vaddr(void *t, bus_space_handle_t bsh) -{ - - return ((void *)bsh); -} - -paddr_t -i80321_bs_mmap(void *t, bus_addr_t addr, off_t off, int prot, int flags) -{ - - /* Not supported. */ - return (-1); -} - -/* *** Routines for PCI IO. *** */ - -int -i80321_io_bs_map(void *t, bus_addr_t bpa, bus_size_t size, int flags, - bus_space_handle_t *bshp) -{ - struct i80321_softc *sc = t; - uint32_t busbase; - - if (bpa >= sc->sc_ioout_xlate && - bpa < (sc->sc_ioout_xlate + VERDE_OUT_XLATE_IO_WIN_SIZE)) { - busbase = sc->sc_ioout_xlate; - } else - return (EINVAL); - - if ((bpa + size) >= (busbase + VERDE_OUT_XLATE_IO_WIN_SIZE)) - return (EINVAL); - - /* - * Found the window -- PCI I/O space is mapped at a fixed - * virtual address by board-specific code. Translate the - * bus address to the virtual address. - */ - bus_space_subregion(sc->sc_st, sc->sc_io_sh, (bpa - busbase), size, - bshp); - return (0); -} - -void -i80321_io_bs_unmap(void *t, bus_space_handle_t bsh, bus_size_t size) -{ - - /* Nothing to do. */ -} - -int -i80321_io_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("i80321_io_bs_alloc(): not implemented"); -} - -void -i80321_io_bs_free(void *t, bus_space_handle_t bsh, bus_size_t size) -{ - - panic("i80321_io_bs_free(): not implemented"); -} - -void * -i80321_io_bs_vaddr(void *t, bus_space_handle_t bsh) -{ - - /* Not supported. */ - return (NULL); -} - -/* *** Routines for PCI MEM. *** */ - -int -i80321_mem_bs_map(void *t, bus_addr_t bpa, bus_size_t size, int flag, - bus_space_handle_t *bshp) -{ - - struct i80321_softc *sc = t; - vaddr_t va; - uint32_t busbase; - paddr_t pa, endpa, physbase; - pt_entry_t *pte; - -#if 0 -printf("i80321_bs_map bpa %x, size %x flag %x : %x %x \n", bpa, size, flag, - sc->sc_owin[0].owin_xlate_lo, - sc->sc_owin[0].owin_xlate_lo+ VERDE_OUT_XLATE_MEM_WIN_SIZE); -#endif - - if (bpa >= sc->sc_owin[0].owin_xlate_lo && - bpa < (sc->sc_owin[0].owin_xlate_lo + - VERDE_OUT_XLATE_MEM_WIN_SIZE)) { - busbase = sc->sc_iwin[1].iwin_xlate; - physbase = sc->sc_owin[0].owin_xlate_lo; - } else - return (EINVAL); - - if ((bpa + size) >= ( sc->sc_owin[0].owin_xlate_lo + - VERDE_OUT_XLATE_MEM_WIN_SIZE)) - return (EINVAL); - - /* - * Found the window -- PCI MEM space is now mapped by allocating - * some kernel VA space and mapping the pages with pmap_enter(). - * pmap_enter() will map unmanaged pages as non-cacheable. - */ - pa = trunc_page((bpa - busbase) + physbase); - endpa = round_page(((bpa - busbase) + physbase) + size); - - va = uvm_km_valloc(kernel_map, endpa - pa); - if (va == 0) - return (ENOMEM); -//printf("i80321_mem_bs_map bpa %x pa %x va %x sz %x\n", bpa, pa, va, endpa-pa); - -#if 0 -printf("i80321_bs_map va %x pa %x, endpa %x, sz %x\n", va, pa, - endpa, endpa-pa); -#endif - - *bshp = va + (bpa & PAGE_MASK); - - for (; pa < endpa; pa += PAGE_SIZE, va += PAGE_SIZE) { - pmap_kenter_pa(va, pa, PROT_READ | PROT_WRITE); - if ((flag & BUS_SPACE_MAP_CACHEABLE) == 0) { - pte = vtopte(va); - *pte &= ~L2_S_CACHE_MASK; - PTE_SYNC(pte); - } - } - pmap_update(pmap_kernel()); - - return (0); -} - -void -i80321_mem_bs_unmap(void *t, bus_space_handle_t bsh, bus_size_t size) -{ - vaddr_t va, endva; - - va = trunc_page(bsh); - endva = round_page(bsh + size); - - pmap_kremove(va, endva - va); - pmap_update(pmap_kernel()); - - /* Free the kernel virtual mapping. */ - uvm_km_free(kernel_map, va, endva - va); -} - -int -i80321_mem_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("i80321_mem_bs_alloc(): not implemented"); -} - -void -i80321_mem_bs_free(void *t, bus_space_handle_t bsh, bus_size_t size) -{ - - panic("i80321_mem_bs_free(): not implemented"); -} - -paddr_t -i80321_mem_bs_mmap(void *t, bus_addr_t addr, off_t off, int prot, int flags) -{ - - /* XXX */ - return (-1); -} |