/* $NetBSD: i80321_space.c,v 1.6 2003/10/06 15:43:35 thorpej 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 __FBSDID("$FreeBSD$"); #include #include #include #include #include #include #include #include #include #include #include #include /* 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); /* * 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 */ NULL, NULL, i80321_bs_subregion, /* allocation/deallocation */ NULL, NULL, /* barrier */ i80321_bs_barrier, /* read (single) */ generic_bs_r_1, generic_armv4_bs_r_2, generic_bs_r_4, NULL, /* read multiple */ generic_bs_rm_1, generic_armv4_bs_rm_2, generic_bs_rm_4, NULL, /* read region */ generic_bs_rr_1, generic_armv4_bs_rr_2, generic_bs_rr_4, NULL, /* write (single) */ generic_bs_w_1, generic_armv4_bs_w_2, generic_bs_w_4, NULL, /* write multiple */ generic_bs_wm_1, generic_armv4_bs_wm_2, generic_bs_wm_4, NULL, /* write region */ NULL, generic_armv4_bs_wr_2, generic_bs_wr_4, NULL, /* set multiple */ NULL, NULL, NULL, NULL, /* set region */ NULL, generic_armv4_bs_sr_2, generic_bs_sr_4, NULL, /* copy */ NULL, generic_armv4_bs_c_2, NULL, NULL, /* read (single) stream */ generic_bs_r_1, generic_armv4_bs_r_2, generic_bs_r_4, NULL, /* read multiple stream */ generic_bs_rm_1, generic_armv4_bs_rm_2, generic_bs_rm_4, NULL, /* read region stream */ generic_bs_rr_1, generic_armv4_bs_rr_2, generic_bs_rr_4, NULL, /* write (single) stream */ generic_bs_w_1, generic_armv4_bs_w_2, generic_bs_w_4, NULL, /* write multiple stream */ generic_bs_wm_1, generic_armv4_bs_wm_2, generic_bs_wm_4, NULL, /* write region stream */ NULL, generic_armv4_bs_wr_2, generic_bs_wr_4, NULL, }; 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; } 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; } /* *** 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. */ } /* *** Routines for PCI IO. *** */ extern struct i80321_softc *i80321_softc; 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 = i80321_softc; vm_offset_t winvaddr; 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; winvaddr = sc->sc_iow_vaddr; } 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. */ *bshp = winvaddr + (bpa - busbase); return (0); } void i80321_io_bs_unmap(void *t, bus_space_handle_t h, 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"); } /* *** Routines for PCI MEM. *** */ extern int badaddr_read(void *, int, void *); int i80321_mem_bs_map(void *t, bus_addr_t bpa, bus_size_t size, int flags, bus_space_handle_t *bshp) { vm_paddr_t pa, endpa; pa = trunc_page(bpa); endpa = round_page(bpa + size); *bshp = (vm_offset_t)pmap_mapdev(pa, endpa - pa); return (0); } void i80321_mem_bs_unmap(void *t, bus_space_handle_t h, bus_size_t size) { vm_offset_t va, endva; va = trunc_page((vm_offset_t)t); endva = va + round_page(size); /* Free the kernel virtual mapping. */ kmem_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"); }