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More work on PCI memory accesses on empb(4).

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This commit is contained in:
rkujawa 2012-06-01 09:41:35 +00:00
parent 2ff5436688
commit 68cabd119e
6 changed files with 172 additions and 32 deletions
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7
sys/arch/amiga/conf/files.amiga
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@ -1,4 +1,4 @@
# $NetBSD: files.amiga,v 1.157 2012/05/30 18:01:51 rkujawa Exp $
# $NetBSD: files.amiga,v 1.158 2012/06/01 09:42:16 rkujawa Exp $
# maxpartitions must be first item in files.${ARCH}.newconf
maxpartitions 16 # NOTE THAT AMIGA IS SPECIAL!
@ -59,6 +59,9 @@ file arch/amiga/amiga/amiga_bus_simple_16.c amibus_b16
define amibus_b800
file arch/amiga/amiga/amiga_bus_simple_0x800.c amibus_b800
define amibus_empb
file arch/amiga/pci/empb_bsm.c amibus_empb
file arch/amiga/amiga/bus.c
# zorro expansion bus.
@ -535,7 +538,7 @@ attach mppb at zbus
device cv3dpb: pcibus
attach cv3dpb at zbus
device empb: pcibus
device empb: pcibus, amibus_empb
attach empb at zbus
device emmem {}

3
sys/arch/amiga/include/bus.h
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@ -1,4 +1,4 @@
/* $NetBSD: bus.h,v 1.26 2012/05/07 18:16:38 tsutsui Exp $ */
/* $NetBSD: bus.h,v 1.27 2012/06/01 09:41:35 rkujawa Exp $ */
/*
* Copyright (c) 1996 Leo Weppelman. All rights reserved.
@ -279,6 +279,7 @@ extern const struct amiga_bus_space_methods amiga_bus_stride_2;
extern const struct amiga_bus_space_methods amiga_bus_stride_4;
extern const struct amiga_bus_space_methods amiga_bus_stride_4swap;
extern const struct amiga_bus_space_methods amiga_bus_stride_16;
extern const struct amiga_bus_space_methods empb_bus_swap;
/*
* XXX

4
sys/arch/amiga/include/pci_machdep.h
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@ -1,4 +1,4 @@
/* $NetBSD: pci_machdep.h,v 1.5 2012/05/07 18:16:38 tsutsui Exp $ */
/* $NetBSD: pci_machdep.h,v 1.6 2012/06/01 09:41:35 rkujawa Exp $ */
/*-
* Copyright (c) 2011 The NetBSD Foundation, Inc.
@ -86,6 +86,8 @@ struct amiga_pci_chipset {
/* PCI configuration data register */
bus_space_tag_t pci_conf_datat;
bus_space_handle_t pci_conf_datah;
void *cookie; /* used in some implementations */
};

31
sys/arch/amiga/pci/empb.c
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@ -1,4 +1,4 @@
/* $NetBSD: empb.c,v 1.2 2012/05/31 21:29:02 rkujawa Exp $ */
/* $NetBSD: empb.c,v 1.3 2012/06/01 09:41:35 rkujawa Exp $ */
/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
@ -46,14 +46,11 @@
#include <machine/bus.h>
#include <machine/cpu.h>
#include <m68k/bus_dma.h>
#include <amiga/dev/zbusvar.h>
#include <amiga/pci/empbreg.h>
#include <amiga/pci/empbvar.h>
#include <amiga/pci/emmemvar.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcidevs.h>
#include <dev/pci/pciconf.h>
#include "opt_pci.h"
@ -66,27 +63,6 @@
#define WINDOW_LOCK(s) (s) = splhigh()
#define WINDOW_UNLOCK(s) splx((s))
struct empb_softc {
device_t sc_dev;
struct bus_space_tag setup_area;
bus_space_tag_t setup_area_t;
bus_space_handle_t setup_area_h;
struct bus_space_tag pci_confio_area;
bus_space_tag_t pci_confio_t;
bus_space_handle_t pci_confio_h;
uint8_t pci_confio_mode;
struct bus_space_tag pci_mem_win;
uint32_t pci_mem_win_size;
bus_addr_t pci_mem_win_pos;
uint16_t pci_mem_win_mask;
struct amiga_pci_chipset apc;
};
static int empb_match(struct device *, struct cfdata *, void *);
static void empb_attach(struct device *, struct device *, void *);
@ -94,7 +70,6 @@ static void empb_callback(device_t self);
static void empb_find_mem(struct empb_softc *sc);
static void empb_switch_bridge(struct empb_softc *sc, uint8_t mode);
static void empb_switch_window(struct empb_softc *sc, bus_addr_t address);
pcireg_t empb_pci_conf_read(pci_chipset_tag_t, pcitag_t, int);
void empb_pci_conf_write(pci_chipset_tag_t, pcitag_t, int, pcireg_t);
@ -317,7 +292,7 @@ empb_find_mem(struct empb_softc *sc)
/*
* Switch memory window position.
*/
static void
void
empb_switch_window(struct empb_softc *sc, bus_addr_t address)
{
int s;

95
sys/arch/amiga/pci/empb_bsm.c Normal file
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@ -0,0 +1,95 @@
/* $NetBSD: empb_bsm.c,v 1.1 2012/06/01 09:41:35 rkujawa Exp $ */
/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Radoslaw Kujawa.
*
* 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.
*
* 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.
*/
/*
* Special bus space methods handling PCI memory window.
*/
#include <sys/bus.h>
#include <sys/null.h>
#include <sys/param.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <amiga/pci/empbreg.h>
#include <amiga/pci/empbvar.h>
#include <amiga/pci/emmemvar.h>
const struct amiga_bus_space_methods empb_bus_swap = {
/*.bsm = empb_bsm,
.bsms = empb_bsms,
.bsu = empb_bsu,
.bsa = NULL,
.bsf = NULL,
.bsr1 = empb_bsr1,
.bsw1 = empb_bsw1,
.bsrm1 = empb_bsrm1,
.bswm1 = empb_bswm1,
.bsrr1 = empb_bsrr1,
.bswr1 = empb_bswr1,
.bssr1 = empb_bssr1,
.bscr1 = empb_bscr1,
.bsr2 = oabs(bsr2_), // XXX swap?
.bsw2 = oabs(bsw2_), // XXX swap?
.bsrs2 = oabs(bsr2_),
.bsws2 = oabs(bsw2_),
.bsrm2 = oabs(bsrm2_swap_),
.bswm2 = oabs(bswm2_swap_),
.bsrms2 = oabs(bsrm2_),
.bswms2 = oabs(bswm2_),
.bsrr2 = oabs(bsrr2_), // XXX swap?
.bswr2 = oabs(bswr2_), // XXX swap?
.bsrrs2 = oabs(bsrr2_),
.bswrs2 = oabs(bswr2_),
.bssr2 = oabs(bssr2_), // XXX swap?
.bscr2 = oabs(bscr2_), // XXX swap?
.bsr4 = oabs(bsr4_swap_),
.bsw4 = oabs(bsw4_swap_),
.bsrs4 = oabs(bsr4_),
.bsws4 = oabs(bsw4_),
.bsrm4 = oabs(bsrm4_), // XXX swap?
.bswm4 = oabs(bswm4_), // XXX swap?
.bsrms4 = oabs(bsrm4_),
.bswms4 = oabs(bswm4_),
.bsrr4 = oabs(bsrr4_), // XXX swap?
.bswr4 = oabs(bswr4_), // XXX swap?
.bsrrs4 = oabs(bsrr4_),
.bswrs4 = oabs(bswr4_),
.bssr4 = oabs(bssr4_), // XXX swap?
.bscr4 = oabs(bscr4_) // XXX swap? */
};

64
sys/arch/amiga/pci/empbvar.h Normal file
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@ -0,0 +1,64 @@
/* $NetBSD: empbvar.h,v 1.1 2012/06/01 09:41:35 rkujawa Exp $ */
/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Radoslaw Kujawa.
*
* 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.
*
* 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/types.h>
#include <sys/device.h>
#include <sys/bus.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcidevs.h>
#include <machine/pci_machdep.h>
struct empb_softc {
device_t sc_dev;
struct bus_space_tag setup_area;
bus_space_tag_t setup_area_t;
bus_space_handle_t setup_area_h;
struct bus_space_tag pci_confio_area;
bus_space_tag_t pci_confio_t;
bus_space_handle_t pci_confio_h;
uint8_t pci_confio_mode;
struct bus_space_tag pci_mem_win;
uint32_t pci_mem_win_size;
bus_addr_t pci_mem_win_pos;
uint16_t pci_mem_win_mask;
struct amiga_pci_chipset apc;
};
void empb_switch_window(struct empb_softc *sc, bus_addr_t address);