Date: Fri, 30 Aug 2013 20:28:35 +0000 (UTC) From: Oleksandr Tymoshenko <gonzo@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r255083 - head/sys/mips/malta Message-ID: <201308302028.r7UKSZwe091169@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: gonzo Date: Fri Aug 30 20:28:35 2013 New Revision: 255083 URL: http://svnweb.freebsd.org/changeset/base/255083 Log: Add PCI bus space implementation that converts all 2 and 4 bytes values to/from little endian according to PCI spec. Added: head/sys/mips/malta/gt_pci_bus_space.c (contents, props changed) head/sys/mips/malta/gt_pci_bus_space.h (contents, props changed) Modified: head/sys/mips/malta/files.malta head/sys/mips/malta/gt_pci.c Modified: head/sys/mips/malta/files.malta ============================================================================== --- head/sys/mips/malta/files.malta Fri Aug 30 20:20:06 2013 (r255082) +++ head/sys/mips/malta/files.malta Fri Aug 30 20:28:35 2013 (r255083) @@ -1,6 +1,7 @@ # $FreeBSD$ mips/malta/gt.c standard mips/malta/gt_pci.c standard +mips/malta/gt_pci_bus_space.c standard mips/malta/obio.c optional uart mips/malta/uart_cpu_maltausart.c optional uart mips/malta/uart_bus_maltausart.c optional uart Modified: head/sys/mips/malta/gt_pci.c ============================================================================== --- head/sys/mips/malta/gt_pci.c Fri Aug 30 20:20:06 2013 (r255082) +++ head/sys/mips/malta/gt_pci.c Fri Aug 30 20:28:35 2013 (r255083) @@ -75,6 +75,7 @@ __FBSDID("$FreeBSD$"); #include <dev/pci/pcib_private.h> #include "pcib_if.h" +#include <mips/malta/gt_pci_bus_space.h> #define ICU_LEN 16 /* number of ISA IRQs */ @@ -635,7 +636,6 @@ gt_pci_alloc_resource(device_t bus, devi struct gt_pci_softc *sc = device_get_softc(bus); struct resource *rv = NULL; struct rman *rm; - bus_space_tag_t bt = 0; bus_space_handle_t bh = 0; switch (type) { @@ -644,12 +644,10 @@ gt_pci_alloc_resource(device_t bus, devi break; case SYS_RES_MEMORY: rm = &sc->sc_mem_rman; - bt = sc->sc_st; bh = sc->sc_mem; break; case SYS_RES_IOPORT: rm = &sc->sc_io_rman; - bt = sc->sc_st; bh = sc->sc_io; break; default: @@ -663,7 +661,7 @@ gt_pci_alloc_resource(device_t bus, devi if (type != SYS_RES_IRQ) { bh += (rman_get_start(rv)); - rman_set_bustag(rv, bt); + rman_set_bustag(rv, gt_pci_bus_space); rman_set_bushandle(rv, bh); if (flags & RF_ACTIVE) { if (bus_activate_resource(child, type, *rid, rv)) { Added: head/sys/mips/malta/gt_pci_bus_space.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/sys/mips/malta/gt_pci_bus_space.c Fri Aug 30 20:28:35 2013 (r255083) @@ -0,0 +1,409 @@ +/* $NetBSD: bus.h,v 1.12 1997/10/01 08:25:15 fvdl Exp $ */ +/*- + * $Id: bus.h,v 1.6 2007/08/09 11:23:32 katta Exp $ + * + * Copyright (c) 1996, 1997 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. + */ + +/* + * Copyright (c) 1996 Charles M. Hannum. All rights reserved. + * Copyright (c) 1996 Christopher G. Demetriou. 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Christopher G. Demetriou + * for the NetBSD Project. + * 4. The name of the author may not 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 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. + * + * from: src/sys/alpha/include/bus.h,v 1.5 1999/08/28 00:38:40 peter + * $FreeBSD$ + */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/bus.h> +#include <sys/endian.h> +#include <sys/kernel.h> +#include <sys/malloc.h> +#include <sys/ktr.h> + +#include <vm/vm.h> +#include <vm/pmap.h> +#include <vm/vm_kern.h> +#include <vm/vm_extern.h> + +#include <machine/bus.h> +#include <machine/cache.h> +#include <mips/malta/gt_pci_bus_space.h> + +static bs_r_2_proto(gt_pci); +static bs_r_4_proto(gt_pci); +static bs_w_2_proto(gt_pci); +static bs_w_4_proto(gt_pci); +static bs_rm_2_proto(gt_pci); +static bs_rm_4_proto(gt_pci); +static bs_wm_2_proto(gt_pci); +static bs_wm_4_proto(gt_pci); +static bs_rr_2_proto(gt_pci); +static bs_rr_4_proto(gt_pci); +static bs_wr_2_proto(gt_pci); +static bs_wr_4_proto(gt_pci); +static bs_sm_2_proto(gt_pci); +static bs_sm_4_proto(gt_pci); +static bs_sr_2_proto(gt_pci); +static bs_sr_4_proto(gt_pci); + +static struct bus_space gt_pci_space = { + /* cookie */ + .bs_cookie = (void *) 0, + + /* mapping/unmapping */ + .bs_map = generic_bs_map, + .bs_unmap = generic_bs_unmap, + .bs_subregion = generic_bs_subregion, + + /* allocation/deallocation */ + .bs_alloc = generic_bs_alloc, + .bs_free = generic_bs_free, + + /* barrier */ + .bs_barrier = generic_bs_barrier, + + /* read (single) */ + .bs_r_1 = generic_bs_r_1, + .bs_r_2 = gt_pci_bs_r_2, + .bs_r_4 = gt_pci_bs_r_4, + .bs_r_8 = NULL, + + /* read multiple */ + .bs_rm_1 = generic_bs_rm_1, + .bs_rm_2 = gt_pci_bs_rm_2, + .bs_rm_4 = gt_pci_bs_rm_4, + .bs_rm_8 = NULL, + + /* read region */ + .bs_rr_1 = generic_bs_rr_1, + .bs_rr_2 = gt_pci_bs_rr_2, + .bs_rr_4 = gt_pci_bs_rr_4, + .bs_rr_8 = NULL, + + /* write (single) */ + .bs_w_1 = generic_bs_w_1, + .bs_w_2 = gt_pci_bs_w_2, + .bs_w_4 = gt_pci_bs_w_4, + .bs_w_8 = NULL, + + /* write multiple */ + .bs_wm_1 = generic_bs_wm_1, + .bs_wm_2 = gt_pci_bs_wm_2, + .bs_wm_4 = gt_pci_bs_wm_4, + .bs_wm_8 = NULL, + + /* write region */ + .bs_wr_1 = generic_bs_wr_1, + .bs_wr_2 = gt_pci_bs_wr_2, + .bs_wr_4 = gt_pci_bs_wr_4, + .bs_wr_8 = NULL, + + /* set multiple */ + .bs_sm_1 = generic_bs_sm_1, + .bs_sm_2 = gt_pci_bs_sm_2, + .bs_sm_4 = gt_pci_bs_sm_4, + .bs_sm_8 = NULL, + + /* set region */ + .bs_sr_1 = generic_bs_sr_1, + .bs_sr_2 = gt_pci_bs_sr_2, + .bs_sr_4 = gt_pci_bs_sr_4, + .bs_sr_8 = NULL, + + /* copy */ + .bs_c_1 = generic_bs_c_1, + .bs_c_2 = generic_bs_c_2, + .bs_c_4 = generic_bs_c_4, + .bs_c_8 = NULL, + + /* read (single) stream */ + .bs_r_1_s = generic_bs_r_1, + .bs_r_2_s = generic_bs_r_2, + .bs_r_4_s = generic_bs_r_4, + .bs_r_8_s = NULL, + + /* read multiple stream */ + .bs_rm_1_s = generic_bs_rm_1, + .bs_rm_2_s = generic_bs_rm_2, + .bs_rm_4_s = generic_bs_rm_4, + .bs_rm_8_s = NULL, + + /* read region stream */ + .bs_rr_1_s = generic_bs_rr_1, + .bs_rr_2_s = generic_bs_rr_2, + .bs_rr_4_s = generic_bs_rr_4, + .bs_rr_8_s = NULL, + + /* write (single) stream */ + .bs_w_1_s = generic_bs_w_1, + .bs_w_2_s = generic_bs_w_2, + .bs_w_4_s = generic_bs_w_4, + .bs_w_8_s = NULL, + + /* write multiple stream */ + .bs_wm_1_s = generic_bs_wm_1, + .bs_wm_2_s = generic_bs_wm_2, + .bs_wm_4_s = generic_bs_wm_4, + .bs_wm_8_s = NULL, + + /* write region stream */ + .bs_wr_1_s = generic_bs_wr_1, + .bs_wr_2_s = generic_bs_wr_2, + .bs_wr_4_s = generic_bs_wr_4, + .bs_wr_8_s = NULL, +}; + +#define rd16(a) le16toh(readw(a)) +#define rd32(a) le32toh(readl(a)) +#define wr16(a, v) writew(a, htole16(v)) +#define wr32(a, v) writel(a, htole32(v)) + +/* generic bus_space tag */ +bus_space_tag_t gt_pci_bus_space = >_pci_space; + +uint16_t +gt_pci_bs_r_2(void *t, bus_space_handle_t handle, + bus_size_t offset) +{ + + return (rd16(handle + offset)); +} + +uint32_t +gt_pci_bs_r_4(void *t, bus_space_handle_t handle, + bus_size_t offset) +{ + + return (rd32(handle + offset)); +} + +void +gt_pci_bs_rm_2(void *t, bus_space_handle_t bsh, + bus_size_t offset, uint16_t *addr, size_t count) +{ + bus_addr_t baddr = bsh + offset; + + while (count--) + *addr++ = rd16(baddr); +} + +void +gt_pci_bs_rm_4(void *t, bus_space_handle_t bsh, + bus_size_t offset, uint32_t *addr, size_t count) +{ + bus_addr_t baddr = bsh + offset; + + while (count--) + *addr++ = rd32(baddr); +} + +/* + * Read `count' 2 or 4 byte quantities from bus space + * described by tag/handle and starting at `offset' and copy into + * buffer provided. + */ +void +gt_pci_bs_rr_2(void *t, bus_space_handle_t bsh, + bus_size_t offset, uint16_t *addr, size_t count) +{ + bus_addr_t baddr = bsh + offset; + + while (count--) { + *addr++ = rd16(baddr); + baddr += 2; + } +} + +void +gt_pci_bs_rr_4(void *t, bus_space_handle_t bsh, + bus_size_t offset, uint32_t *addr, size_t count) +{ + bus_addr_t baddr = bsh + offset; + + while (count--) { + *addr++ = rd32(baddr); + baddr += 4; + } +} + +/* + * Write the 2 or 4 byte value `value' to bus space + * described by tag/handle/offset. + */ +void +gt_pci_bs_w_2(void *t, bus_space_handle_t bsh, + bus_size_t offset, uint16_t value) +{ + + wr16(bsh + offset, value); +} + +void +gt_pci_bs_w_4(void *t, bus_space_handle_t bsh, + bus_size_t offset, uint32_t value) +{ + + wr32(bsh + offset, value); +} + +/* + * Write `count' 2 or 4 byte quantities from the buffer + * provided to bus space described by tag/handle/offset. + */ +void +gt_pci_bs_wm_2(void *t, bus_space_handle_t bsh, + bus_size_t offset, const uint16_t *addr, size_t count) +{ + bus_addr_t baddr = bsh + offset; + + while (count--) + wr16(baddr, *addr++); +} + +void +gt_pci_bs_wm_4(void *t, bus_space_handle_t bsh, + bus_size_t offset, const uint32_t *addr, size_t count) +{ + bus_addr_t baddr = bsh + offset; + + while (count--) + wr32(baddr, *addr++); +} + +/* + * Write `count' 2 or 4 byte quantities from the buffer provided + * to bus space described by tag/handle starting at `offset'. + */ +void +gt_pci_bs_wr_2(void *t, bus_space_handle_t bsh, + bus_size_t offset, const uint16_t *addr, size_t count) +{ + bus_addr_t baddr = bsh + offset; + + while (count--) { + wr16(baddr, *addr++); + baddr += 2; + } +} + +void +gt_pci_bs_wr_4(void *t, bus_space_handle_t bsh, + bus_size_t offset, const uint32_t *addr, size_t count) +{ + bus_addr_t baddr = bsh + offset; + + while (count--) { + wr32(baddr, *addr++); + baddr += 4; + } +} + +/* + * Write the 2 or 4 byte value `val' to bus space described + * by tag/handle/offset `count' times. + */ +void +gt_pci_bs_sm_2(void *t, bus_space_handle_t bsh, + bus_size_t offset, uint16_t value, size_t count) +{ + bus_addr_t addr = bsh + offset; + + while (count--) + wr16(addr, value); +} + +void +gt_pci_bs_sm_4(void *t, bus_space_handle_t bsh, + bus_size_t offset, uint32_t value, size_t count) +{ + bus_addr_t addr = bsh + offset; + + while (count--) + wr32(addr, value); +} + +/* + * Write `count' 2 or 4 byte value `val' to bus space described + * by tag/handle starting at `offset'. + */ +void +gt_pci_bs_sr_2(void *t, bus_space_handle_t bsh, + bus_size_t offset, uint16_t value, size_t count) +{ + bus_addr_t addr = bsh + offset; + + for (; count != 0; count--, addr += 2) + wr16(addr, value); +} + +void +gt_pci_bs_sr_4(void *t, bus_space_handle_t bsh, + bus_size_t offset, uint32_t value, size_t count) +{ + bus_addr_t addr = bsh + offset; + + for (; count != 0; count--, addr += 4) + wr32(addr, value); +} Added: head/sys/mips/malta/gt_pci_bus_space.h ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/sys/mips/malta/gt_pci_bus_space.h Fri Aug 30 20:28:35 2013 (r255083) @@ -0,0 +1,36 @@ +/*- + * Copyright (c) 2009, Oleksandr Tymoshenko <gonzo@FreeBSD.org> + * 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 unmodified, 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 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. + * + * $FreeBSD$ + * + */ + +#ifndef __GT_PCI_BUS_SPACEH__ +#define __GT_PCI_BUS_SPACEH__ + +extern bus_space_tag_t gt_pci_bus_space; + +#endif /* __GT_PCI_BUS_SPACEH__ */
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201308302028.r7UKSZwe091169>