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Add a port to the NCD Explora451 ThinClient. 

- Supported devices: le, com, lpt, pckbd, frame buffer.
 - Support missing:   phy, audio, pcmcia.
 - Boots from network or md.

Approved by: Eduardo Horvath <eeh@netbsd.org>
This commit is contained in:
hannken 2003-03-11 10:57:54 +00:00
parent 44b1e07ec9
commit 249e0067fe
17 changed files with 2259 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

201
sys/arch/evbppc/conf/EXPLORA451 Normal file
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# $NetBSD: EXPLORA451,v 1.1 2003/03/11 10:57:54 hannken Exp $
#
# GENERIC -- everything that's currently supported
#
include "arch/evbppc/conf/std.explora"
#options INCLUDE_CONFIG_FILE # embed config file in kernel binary
#ident "EXPLORA451"
maxusers 32
# Options for necessary to use root memory disk
#options MEMORY_DISK_HOOKS
#options MEMORY_DISK_IS_ROOT
#options MEMORY_DISK_SERVER=0
#options MEMORY_DISK_ROOT_SIZE=4096
# Standard system options
options UCONSOLE # users can use TIOCCONS (for xconsole)
options INSECURE # disable kernel security levels - X needs this
options RTC_OFFSET=0 # hardware clock is this many mins. west of GMT
options NTP # NTP phase/frequency locked loop
options KTRACE # system call tracing via ktrace(1)
options SYSTRACE # system call vetting via systrace(1)
options SYSVMSG # System V-like message queues
options SYSVSEM # System V-like semaphores
#options SEMMNI=10 # number of semaphore identifiers
#options SEMMNS=60 # number of semaphores in system
#options SEMUME=10 # max number of undo entries per process
#options SEMMNU=30 # number of undo structures in system
options SYSVSHM # System V-like memory sharing
#options SHMMAXPGS=2048 # 2048 pages is the default
options LKM # loadable kernel modules
options USERCONF # userconf(4) support
#options PIPE_SOCKETPAIR # smaller, but slower pipe(2)
# Enable experimental buffer queue strategy for better responsiveness under
# high disk I/O load. Use it with caution - it's not proven to be stable yet.
#options NEW_BUFQ_STRATEGY
# Diagnostic/debugging support options
options DIAGNOSTIC # expensive kernel consistency checks
options DEBUG # expensive debugging checks/support
#options KMEMSTATS # kernel memory statistics (vmstat -m)
options DDB # in-kernel debugger
options DDB_HISTORY_SIZE=512 # enable history editing in DDB
#options KGDB # remote debugger
#options KGDB_DEVNAME="\"com\"",KGDB_DEVADDR=0x3f8,KGDB_DEVRATE=9600
makeoptions DEBUG="-g" # compile full symbol table
# Compatibility options
options COMPAT_NOMID # compatibility with 386BSD, BSDI, NetBSD 0.8,
options COMPAT_09 # NetBSD 0.9,
options COMPAT_10 # NetBSD 1.0,
options COMPAT_11 # NetBSD 1.1,
options COMPAT_12 # NetBSD 1.2,
options COMPAT_13 # NetBSD 1.3,
options COMPAT_14 # NetBSD 1.4,
options COMPAT_15 # NetBSD 1.5,
options COMPAT_43 # and 4.3BSD
#options TCP_COMPAT_42 # 4.2BSD TCP/IP bug compat. Not recommended.
# File systems
file-system FFS # UFS
file-system EXT2FS # second extended file system (linux)
file-system LFS # log-structured file system
file-system MFS # memory file system
file-system NFS # Network File System client
file-system NTFS # Windows/NT file system (experimental)
file-system CD9660 # ISO 9660 + Rock Ridge file system
file-system MSDOSFS # MS-DOS file system
file-system FDESC # /dev/fd
file-system KERNFS # /kern
file-system NULLFS # loopback file system
file-system OVERLAY # overlay file system
file-system PORTAL # portal filesystem (still experimental)
file-system PROCFS # /proc
file-system UMAPFS # NULLFS + uid and gid remapping
file-system UNION # union file system
file-system CODA # Coda File System; also needs vcoda (below)
file-system SMBFS # experimental - CIFS; also needs nsmb (below)
# File system options
options QUOTA # UFS quotas
#options FFS_EI # FFS Endian Independent support
options SOFTDEP # FFS soft updates support.
options NFSSERVER # Network File System server
#options EXT2FS_SYSTEM_FLAGS # makes ext2fs file flags (append and
# immutable) behave as system flags.
# Networking options
#options GATEWAY # packet forwarding
options INET # IP + ICMP + TCP + UDP
options INET6 # IPV6
#options IPSEC # IP security
#options IPSEC_ESP # IP security (encryption part; define w/IPSEC)
#options IPSEC_DEBUG # debug for IP security
#options MROUTING # IP multicast routing
#options NS # XNS
#options NSIP # XNS tunneling over IP
options ISO,TPIP # OSI
#options EON # OSI tunneling over IP
options CCITT,LLC,HDLC # X.25
options NETATALK # AppleTalk networking protocols
options PPP_BSDCOMP # BSD-Compress compression support for PPP
options PPP_DEFLATE # Deflate compression support for PPP
options PPP_FILTER # Active filter support for PPP (requires bpf)
options PFIL_HOOKS # pfil(9) packet filter hooks
options IPFILTER_LOG # ipmon(8) log support
#options IPFILTER_DEFAULT_BLOCK # block all packets by default
#options TCP_DEBUG # Record last TCP_NDEBUG packets with SO_DEBUG
# Options for wscons
#
# builtin terminal emulations
#options WSEMUL_SUN # sun terminal emulation
options WSEMUL_VT100 # VT100 / VT220 emulation
# different kernel output - see dev/wscons/wsdisplayvar.h
options WS_KERNEL_FG=WSCOL_GREEN
#options WS_KERNEL_BG=WSCOL_BLACK
# compatibility to other console drivers
#options WSDISPLAY_COMPAT_PCVT # emulate some ioctls
#options WSDISPLAY_COMPAT_SYSCONS # emulate some ioctls
#options WSDISPLAY_COMPAT_USL # VT handling
#options WSDISPLAY_COMPAT_RAWKBD # can get raw scancodes
# see dev/pckbc/wskbdmap_mfii.c for implemented layouts
#options PCKBD_LAYOUT="(KB_DE | KB_NODEAD)"
# allocate a number of virtual screens at autoconfiguration time
options WSDISPLAY_DEFAULTSCREENS=1
# Options for netboot
options NFS_BOOT_BOOTPARAM
options NFS_BOOT_DHCP
config netbsd root on ? type ?
elb0 at root
cpu0 at elb?
com0 at elb?
lpt0 at elb?
le0 at elb?
fb0 at elb?
wsdisplay* at fb?
pckbc0 at elb?
pckbd* at pckbc?
wskbd* at pckbd? console ?
pms* at pckbc?
wsmouse* at pms? mux 0
# Pseudo-Devices
# disk/mass storage pseudo-devices
pseudo-device md 1 # memory disk device (ramdisk)
pseudo-device vnd 4 # disk-like interface to files
# network pseudo-devices
pseudo-device bpfilter 8 # Berkeley packet filter
pseudo-device ipfilter # IP filter (firewall) and NAT
pseudo-device loop # network loopback
pseudo-device ppp 2 # Point-to-Point Protocol
pseudo-device pppoe # PPP over Ethernet (RFC 2516)
pseudo-device sl 2 # Serial Line IP
pseudo-device strip 2 # Starmode Radio IP (Metricom)
pseudo-device irframetty # IrDA frame line discipline
pseudo-device tun 2 # network tunneling over tty
pseudo-device gre 2 # generic L3 over IP tunnel
pseudo-device gif 4 # IPv[46] over IPv[46] tunnel (RFC1933)
#pseudo-device faith 1 # IPv[46] tcp relay translation i/f
#pseudo-device stf 1 # 6to4 IPv6 over IPv4 encapsulation
pseudo-device vlan # IEEE 802.1q encapsulation
pseudo-device bridge # simple inter-network bridging
#options BRIDGE_IPF # bridge uses IP/IPv6 pfil hooks too
# miscellaneous pseudo-devices
pseudo-device pty # pseudo-terminals
pseudo-device tb 1 # tablet line discipline
pseudo-device rnd # /dev/random and in-kernel generator
#options RND_COM # use "com" randomness as well (BROKEN)
pseudo-device clockctl # user control of clock subsystem
# a pseudo device needed for Coda # also needs CODA (above)
pseudo-device vcoda 4 # coda minicache <-> venus comm.
# a pseudo device needed for SMBFS
pseudo-device nsmb # experimental - SMB requester
# wscons pseudo-devices
pseudo-device wsmux # mouse & keyboard multiplexor
pseudo-device wsfont

11
sys/arch/evbppc/conf/Makefile.explora.inc Normal file
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# $NetBSD: Makefile.explora.inc,v 1.1 2003/03/11 10:57:55 hannken Exp $
CFLAGS+=-mcpu=403
AFLAGS+=-mcpu=403
SYSTEM_FIRST_OBJ= explora_start.o
SYSTEM_FIRST_SFILE= ${THISPPC}/explora/explora_start.S
SYSTEM_LD_TAIL_EXTRA+=; \
echo objcopy --adjust-vma 0x81000000 netbsd netbsd.img ; \
${OBJCOPY} --adjust-vma 0x81000000 netbsd netbsd.img

49
sys/arch/evbppc/conf/files.explora Normal file
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# $NetBSD: files.explora,v 1.1 2003/03/11 10:57:55 hannken Exp $
# maxpartitions must be first item in files.${ARCH}
maxpartitions 16
maxusers 2 8 64
defflag opt_explora.h COM_IS_CONSOLE
defparam opt_explora.h COM_CONSOLE_SPEED
include "arch/powerpc/fpu/files.fpu"
include "dev/wscons/files.wscons"
include "dev/wsfont/files.wsfont"
include "dev/rasops/files.rasops"
file arch/evbppc/explora/autoconf.c
file arch/evbppc/explora/consinit.c
file arch/evbppc/explora/machdep.c
file dev/md_root.c memory_disk_hooks
# Explora local bus
device elb {}
attach elb at root
file arch/evbppc/explora/dev/elb.c elb
device cpu
attach cpu at elb
file arch/powerpc/ibm4xx/cpu.c
attach com at elb with com_elb
file arch/evbppc/explora/dev/com_elb.c com_elb
device lpt
file dev/ic/lpt.c lpt needs-flag
attach lpt at elb with lpt_elb
file arch/evbppc/explora/dev/lpt_elb.c lpt_elb
attach le at elb with le_elb: le32
file arch/evbppc/explora/dev/le_elb.c le_elb
include "dev/pckbc/files.pckbc"
attach pckbc at elb with pckbc_elb
file arch/evbppc/explora/dev/pckbc_elb.c pckbc_elb
device fb: wsemuldisplaydev, rasops8
attach fb at elb with fb_elb
file arch/evbppc/explora/dev/fb_elb.c fb_elb

7
sys/arch/evbppc/conf/majors.evbppc
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@ -1,4 +1,4 @@
# $NetBSD: majors.evbppc,v 1.2 2002/12/31 22:45:25 thorpej Exp $
# $NetBSD: majors.evbppc,v 1.3 2003/03/11 10:57:55 hannken Exp $
#
# Device majors for evbppc
#
@ -54,3 +54,8 @@ device-major kttcp char 61 kttcp
device-major sysmon char 62 sysmon_envsys | sysmon_wdog
device-major pci char 63 pci
device-major cgd char 64 block 13 cgd
device-major wsdisplay char 65 wsdisplay
device-major wskbd char 66 wskbd
device-major wsmouse char 67 wsmouse
device-major wsmux char 68 wsmux

25
sys/arch/evbppc/conf/std.explora Normal file
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# $NetBSD: std.explora,v 1.1 2003/03/11 10:57:55 hannken Exp $
#
# Standard/required options for NetBSD/explora.
machine evbppc powerpc
# standard ("mandatory") kernel options.
options PPC_IBM4XX # IBM 40x family
options PPC_IBM403 # IBM 403GCX
# Executable support:
options EXEC_ELF32 # (native) ELF32 binary support
options EXEC_AOUT # (native) a.out binary support (deprecated)
options EXEC_SCRIPT # shell script support
makeoptions TEXTADDR=0x10000
makeoptions BOARDTYPE="explora"
makeoptions PPCDIR="ibm4xx"
options PPC_INTR_IMPL="<powerpc/ibm4xx/ibm4xx_intr.h>"
options INTSTK=8192
options SPILLSTK=1024
include "arch/evbppc/conf/files.explora"

71
sys/arch/evbppc/explora/autoconf.c Normal file
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/* $NetBSD: autoconf.c,v 1.1 2003/03/11 10:57:55 hannken Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Juergen Hannken-Illjes.
*
* 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.
*/
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/systm.h>
struct device *booted_device;
int booted_partition;
void
cpu_configure(void)
{
intr_init();
calc_delayconst();
if (config_rootfound("elb", NULL) == NULL)
panic("configure: elb not configured");
printf("biomask %x netmask %x ttymask %x\n", (u_short)imask[IPL_BIO],
(u_short)imask[IPL_NET], (u_short)imask[IPL_TTY]);
(void)spl0();
/*
* Now allow hardware interrupts.
*/
asm volatile ("wrteei 1");
}
void
cpu_rootconf(void)
{
setroot(booted_device, booted_partition);
}

93
sys/arch/evbppc/explora/consinit.c Normal file
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/* $NetBSD: consinit.c,v 1.1 2003/03/11 10:57:55 hannken Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Juergen Hannken-Illjes.
*
* 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.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <machine/explora.h>
#include <machine/bus.h>
#include "com.h"
#if NCOM > 0
#include <sys/termios.h>
#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
#endif
#include "pckbc.h"
#if (NPCKBC > 0)
#include <dev/isa/isareg.h>
#include <dev/ic/i8042reg.h>
#include <dev/ic/pckbcvar.h>
#endif
#include "pckbd.h"
#include "opt_explora.h"
#ifndef COM_CONSOLE_SPEED
#define COM_CONSOLE_SPEED 9600
#endif
void
consinit(void)
{
bus_space_tag_t tag;
static int done = 0;
#ifndef COM_IS_CONSOLE
extern void fb_cnattach(bus_space_tag_t, bus_addr_t, void *);
#endif
if (done)
return;
done = 1;
#ifdef COM_IS_CONSOLE
tag = MAKE_BUS_TAG(BASE_COM);
comcnattach(tag, BASE_COM, COM_CONSOLE_SPEED, COM_FREQ,
(TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8);
#else
/* Clear VRam */
memset((void *)BASE_FB, 0, SIZE_FB);
tag = MAKE_BUS_TAG(BASE_FB);
fb_cnattach(tag, BASE_FB2, (void *)BASE_FB);
tag = MAKE_BUS_TAG(BASE_PCKBC);
pckbc_cnattach(tag, BASE_PCKBC, BASE_PCKBC2-BASE_PCKBC, PCKBC_KBD_SLOT);
#endif
}

91
sys/arch/evbppc/explora/dev/com_elb.c Normal file
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/* $NetBSD: com_elb.c,v 1.1 2003/03/11 10:57:56 hannken Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Juergen Hannken-Illjes.
*
* 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.
*/
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <sys/tty.h>
#include <machine/bus.h>
#include <dev/ic/comreg.h>
#include <dev/ic/comvar.h>
#include <evbppc/explora/dev/elbvar.h>
struct com_elb_softc {
struct com_softc sc_com;
void *sc_ih;
};
static int com_elb_probe(struct device *, struct cfdata *, void *);
static void com_elb_attach(struct device *, struct device *, void *);
CFATTACH_DECL(com_elb, sizeof(struct com_elb_softc),
com_elb_probe, com_elb_attach, NULL, NULL);
int
com_elb_probe(struct device *parent, struct cfdata *cf, void *aux)
{
struct elb_attach_args *oaa = aux;
if (strcmp(oaa->elb_name, cf->cf_name) != 0)
return 0;
return (1);
}
void
com_elb_attach(struct device *parent, struct device *self, void *aux)
{
struct com_elb_softc *msc = (void *)self;
struct com_softc *sc = &msc->sc_com;
struct elb_attach_args *eaa = aux;
sc->sc_iot = eaa->elb_bt;
sc->sc_iobase = eaa->elb_base;
bus_space_map(sc->sc_iot, eaa->elb_base, COM_NPORTS, 0, &sc->sc_ioh);
sc->sc_frequency = COM_FREQ;
com_attach_subr(sc);
intr_establish(eaa->elb_irq, IST_LEVEL, IPL_SERIAL, comintr, sc);
}

117
sys/arch/evbppc/explora/dev/elb.c Normal file
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/* $NetBSD: elb.c,v 1.1 2003/03/11 10:57:57 hannken Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Juergen Hannken-Illjes.
*
* 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.
*/
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <machine/explora.h>
#define _IBM4XX_BUS_DMA_PRIVATE
#include <machine/bus.h>
#include <powerpc/ibm4xx/dcr403cgx.h>
#include <evbppc/explora/dev/elbvar.h>
struct elb_dev {
const char *elb_name;
int elb_addr;
int elb_addr2;
int elb_irq;
};
static int elb_match(struct device *, struct cfdata *, void *);
static void elb_attach(struct device *, struct device *, void *);
static int elb_print(void *, const char *);
static struct elb_dev elb_devs[] = {
{ "cpu", 0, 0, -1 },
{ "pckbc", BASE_PCKBC, BASE_PCKBC2, 31 },
{ "com", BASE_COM, 0, 30 },
{ "lpt", BASE_LPT, 0, -1 },
{ "fb", BASE_FB, BASE_FB2, -1 },
{ "le", BASE_LE, 0, 28 },
};
CFATTACH_DECL(elb, sizeof(struct device),
elb_match, elb_attach, NULL, NULL);
/*
* Probe for the elb; always succeeds.
*/
static int
elb_match(struct device *parent, struct cfdata *cf, void *aux)
{
return (1);
}
/*
* Attach the Explora local bus.
*/
static void
elb_attach(struct device *parent, struct device *self, void *aux)
{
struct elb_attach_args eaa;
int i;
printf("\n");
for (i = 0; i < sizeof(elb_devs)/sizeof(elb_devs[0]); i++) {
eaa.elb_name = elb_devs[i].elb_name;
eaa.elb_bt = MAKE_BUS_TAG(elb_devs[i].elb_addr);
eaa.elb_dmat = &ibm4xx_default_bus_dma_tag;
eaa.elb_base = elb_devs[i].elb_addr;
eaa.elb_base2 = elb_devs[i].elb_addr2;
eaa.elb_irq = elb_devs[i].elb_irq;
(void) config_found_sm(self, &eaa, elb_print, NULL);
}
}
static int
elb_print(void *aux, const char *pnp)
{
struct elb_attach_args *eaa = aux;
if (pnp)
aprint_normal("%s at %s", eaa->elb_name, pnp);
if (eaa->elb_irq != -1)
aprint_normal(" irq %d", eaa->elb_irq);
return (UNCONF);
}

46
sys/arch/evbppc/explora/dev/elbvar.h Normal file
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/* $NetBSD: elbvar.h,v 1.1 2003/03/11 10:57:57 hannken Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Juergen Hannken-Illjes.
*
* 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.
*/
struct elb_attach_args {
const char *elb_name;
bus_space_tag_t elb_bt;
bus_dma_tag_t elb_dmat;
u_int elb_base;
u_int elb_base2;
int elb_irq;
};

341
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/* $NetBSD: fb_elb.c,v 1.1 2003/03/11 10:57:57 hannken Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Juergen Hannken-Illjes.
*
* 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.
*/
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/ioctl.h>
#include <sys/malloc.h>
#include <sys/systm.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wscons/wsdisplayvar.h>
#include <dev/rasops/rasops.h>
#include <machine/explora.h>
#include <machine/bus.h>
#include <evbppc/explora/dev/elbvar.h>
#define FB_NPORTS 65536
struct fb_dev {
void *fb_vram;
bus_space_tag_t fb_iot;
bus_space_handle_t fb_ioh;
struct rasops_info fb_ri;
};
struct fb_elb_softc {
struct device sc_dev;
struct fb_dev *sc_fb;
int sc_nscreens;
};
static int fb_elb_probe(struct device *, struct cfdata *, void *);
static void fb_elb_attach(struct device *, struct device *, void *);
void fb_cnattach(bus_space_tag_t, bus_addr_t, void *);
static void fb_init(struct fb_dev *, int);
static int fb_ioctl(void *, u_long, caddr_t, int, struct proc *);
static paddr_t fb_mmap(void *, off_t, int);
static int fb_alloc_screen(void *, const struct wsscreen_descr *, void **,
int *, int *, long *);
static void fb_free_screen(void *, void *);
static int fb_show_screen(void *, void *, int, void (*)(void *, int, int),
void *);
static void s3_init(struct fb_dev *, int *, int *);
static struct fb_dev console_dev;
static struct wsdisplay_accessops accessops = {
fb_ioctl,
fb_mmap,
fb_alloc_screen,
fb_free_screen,
fb_show_screen,
NULL
};
static struct wsscreen_descr stdscreen = {
"std",
0, 0,
0,
0, 0,
0
};
static const struct wsscreen_descr *scrlist[] = {
&stdscreen
};
static struct wsscreen_list screenlist = {
sizeof(scrlist)/sizeof(scrlist[0]), scrlist
};
CFATTACH_DECL(fb_elb, sizeof(struct fb_elb_softc),
fb_elb_probe, fb_elb_attach, NULL, NULL);
static int
fb_elb_probe(struct device *parent, struct cfdata *cf, void *aux)
{
struct elb_attach_args *oaa = aux;
if (strcmp(oaa->elb_name, cf->cf_name) != 0)
return 0;
return (1);
}
static void
fb_elb_attach(struct device *parent, struct device *self, void *aux)
{
struct fb_elb_softc *sc = (void *)self;
struct elb_attach_args *eaa = aux;
struct wsemuldisplaydev_attach_args waa;
struct rasops_info *ri;
bus_space_handle_t ioh;
int is_console;
is_console = ((void *)eaa->elb_base == console_dev.fb_vram);
if (is_console) {
sc->sc_fb = &console_dev;
} else {
sc->sc_fb = malloc(sizeof(struct fb_dev), M_DEVBUF, M_WAITOK);
memset(sc->sc_fb, 0, sizeof(struct fb_dev));
}
sc->sc_fb->fb_iot = eaa->elb_bt;
bus_space_map(sc->sc_fb->fb_iot, eaa->elb_base, SIZE_FB,
BUS_SPACE_MAP_LINEAR, &ioh);
sc->sc_fb->fb_vram = bus_space_vaddr(sc->sc_fb->fb_iot, ioh);
bus_space_map(sc->sc_fb->fb_iot, eaa->elb_base2, FB_NPORTS,
0, &sc->sc_fb->fb_ioh);
fb_init(sc->sc_fb, !is_console);
ri = &sc->sc_fb->fb_ri;
printf(": %d x %d\n", ri->ri_rows, ri->ri_cols);
waa.console = is_console;
waa.scrdata = &screenlist;
waa.accessops = &accessops;
waa.accesscookie = sc;
config_found_sm(self, &waa, wsemuldisplaydevprint, NULL);
}
static void
fb_init(struct fb_dev *fb, int full)
{
struct rasops_info *ri = &fb->fb_ri;
if (full) {
s3_init(fb, &ri->ri_width, &ri->ri_height);
ri->ri_depth = 8;
ri->ri_stride = ri->ri_width;
ri->ri_bits = fb->fb_vram;
ri->ri_flg = RI_CENTER;
rasops_init(ri, 500, 500);
} else {
ri->ri_origbits = fb->fb_vram; /*XXX*/
rasops_reconfig(ri, 500, 500);
}
stdscreen.nrows = ri->ri_rows;
stdscreen.ncols = ri->ri_cols;
stdscreen.textops = &ri->ri_ops;
stdscreen.capabilities = ri->ri_caps;
}
static int
fb_ioctl(void *v, u_long cmd, caddr_t data, int flag, struct proc *p)
{
struct fb_elb_softc *sc = v;
struct rasops_info *ri = &sc->sc_fb->fb_ri;
struct wsdisplay_fbinfo *wdf;
switch (cmd) {
case WSDISPLAYIO_GTYPE:
*(int *)data = WSDISPLAY_TYPE_UNKNOWN; /* XXX */
return(0);
case WSDISPLAYIO_GINFO:
wdf = (void *)data;
wdf->height = ri->ri_height;
wdf->width = ri->ri_width;
wdf->depth = ri->ri_depth;
wdf->cmsize = 16; /*XXX*/
return(0);
case WSDISPLAYIO_SVIDEO:
case WSDISPLAYIO_GETCMAP:
case WSDISPLAYIO_PUTCMAP:
break;
}
return(EPASSTHROUGH);
}
static paddr_t
fb_mmap(void *v, off_t offset, int prot)
{
return -1;
}
static int
fb_alloc_screen(void *v, const struct wsscreen_descr *scrdesc, void **cookiep,
int *ccolp, int *crowp, long *attrp)
{
struct fb_elb_softc *sc = v;
struct rasops_info *ri = &sc->sc_fb->fb_ri;
if (sc->sc_nscreens > 0)
return ENOMEM;
*cookiep = ri;
*ccolp = *crowp = 0;
(*ri->ri_ops.allocattr)(ri, 0, 0, 0, attrp);
sc->sc_nscreens++;
return(0);
}
static void
fb_free_screen(void *v, void *cookie)
{
struct fb_elb_softc *sc = v;
if (sc->sc_fb == &console_dev)
panic("fb_free_screen: freeing console");
sc->sc_nscreens--;
}
static int
fb_show_screen(void *v, void *cookie, int waitok, void (*cb)(void *, int, int),
void *cbarg)
{
return(0);
}
void
fb_cnattach(bus_space_tag_t iot, bus_addr_t iobase, void *vram)
{
struct rasops_info *ri = &console_dev.fb_ri;
long defattr;
console_dev.fb_iot = iot;
console_dev.fb_ioh = iobase;
console_dev.fb_vram = vram;
fb_init(&console_dev, 1);
(*ri->ri_ops.allocattr)(ri, 0, 0, 0, &defattr);
wsdisplay_cnattach(&stdscreen, ri, 0, 0, defattr);
}
/*
* S3 support routines
*/
#define S3_CRTC_INDEX 0x83d4
#define S3_CRTC_DATA 0x83d5
#define S3_DAC_RD_INDEX 0x83c7
#define S3_DAC_WR_INDEX 0x83c8
#define S3_DAC_DATA 0x83c9
#define CMAP_SIZE 256
static u_int8_t default_cmap[] = {
/* black */ 0, 0, 0,
/* blue */ 0, 0, 192,
/* green */ 0, 192, 0,
/* cyan */ 0, 192, 192,
/* red */ 192, 0, 0,
/* magenta */ 192, 0, 192,
/* brown */ 192, 192, 0,
/* lightgrey */ 212, 208, 200,
/* darkgrey */ 200, 192, 188,
/* lightblue */ 0, 0, 255,
/* lightgreen */ 0, 255, 0,
/* lightcyan */ 0, 255, 255,
/* lightred */ 255, 0, 0,
/* lightmagenta */ 255, 0, 255,
/* yellow */ 255, 255, 0,
/* white */ 255, 255, 255,
};
static void
s3_init(struct fb_dev *fb, int *width, int *height)
{
int i, j, w, h;
bus_space_tag_t iot = fb->fb_iot;
bus_space_handle_t ioh = fb->fb_ioh;
/* Initialize colormap */
bus_space_write_1(iot, ioh, S3_DAC_WR_INDEX, 0);
for (i = j = 0; i < CMAP_SIZE*3; i++) {
bus_space_write_1(iot, ioh, S3_DAC_DATA, default_cmap[j] >> 2);
j = (j+1) % sizeof(default_cmap)/sizeof(default_cmap[0]);
}
/* Retrieve frame buffer geometry */
bus_space_write_1(iot, ioh, S3_CRTC_INDEX, 1);
w = bus_space_read_1(iot, ioh, S3_CRTC_DATA);
bus_space_write_1(iot, ioh, S3_CRTC_INDEX, 18);
h = bus_space_read_1(iot, ioh, S3_CRTC_DATA);
bus_space_write_1(iot, ioh, S3_CRTC_INDEX, 7);
i = bus_space_read_1(iot, ioh, S3_CRTC_DATA);
h += (i << 7) & 0x100;
h += (i << 3) & 0x200;
*width = (w+1) << 3;
*height = h+1;
}

246
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/* $NetBSD: le_elb.c,v 1.1 2003/03/11 10:57:57 hannken Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Juergen Hannken-Illjes.
*
* 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.
*/
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <uvm/uvm_extern.h>
#include <machine/bus.h>
#include <net/if.h>
#include <net/if_ether.h>
#include <net/if_media.h>
#include <dev/ic/lancereg.h>
#include <dev/ic/lancevar.h>
#include <dev/ic/am79900reg.h>
#include <dev/ic/am79900var.h>
#include <evbppc/explora/dev/elbvar.h>
#define LE_MEMSIZE 16384
#define LE_RDP 0x10 /* Indirect data register. */
#define LE_RAP 0x14 /* Indirect address register. */
#define LE_NPORTS 32
struct le_elb_softc {
struct am79900_softc sc_am79900;
bus_dma_tag_t sc_dmat;
bus_dmamap_t sc_dmam;
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
void *sc_ih;
};
static int le_elb_probe(struct device *, struct cfdata *, void *);
static void le_elb_attach(struct device *, struct device *, void *);
static u_int16_t le_rdcsr(struct lance_softc *, u_int16_t);
static void le_wrcsr(struct lance_softc *, u_int16_t, u_int16_t);
static void le_copytodesc(struct lance_softc *, void *, int, int);
static void le_copyfromdesc(struct lance_softc *, void *, int, int);
CFATTACH_DECL(le_elb, sizeof(struct le_elb_softc),
le_elb_probe, le_elb_attach, NULL, NULL);
int
le_elb_probe(struct device *parent, struct cfdata *cf, void *aux)
{
struct elb_attach_args *oaa = aux;
if (strcmp(oaa->elb_name, cf->cf_name) != 0)
return 0;
return (1);
}
void
le_elb_attach(struct device *parent, struct device *self, void *aux)
{
struct le_elb_softc *msc = (void *)self;
struct lance_softc *sc = &msc->sc_am79900.lsc;
struct elb_attach_args *eaa = aux;
bus_dma_segment_t seg;
int i, rseg;
printf("\n");
if (booted_device == NULL) /*XXX*/
booted_device = self;
msc->sc_iot = eaa->elb_bt;
msc->sc_dmat = eaa->elb_dmat;
bus_space_map(msc->sc_iot, eaa->elb_base, LE_NPORTS, 0, &msc->sc_ioh);
/*
* Allocate a DMA area for the card.
*/
if (bus_dmamem_alloc(msc->sc_dmat, LE_MEMSIZE, PAGE_SIZE, 0,
&seg, 1, &rseg, BUS_DMA_NOWAIT)) {
printf("%s: couldn't allocate memory for card\n",
sc->sc_dev.dv_xname);
return;
}
if (bus_dmamem_map(msc->sc_dmat, &seg, rseg, LE_MEMSIZE,
(caddr_t *)&sc->sc_mem,
BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
printf("%s: couldn't map memory for card\n",
sc->sc_dev.dv_xname);
return;
}
/*
* Create and load the DMA map for the DMA area.
*/
if (bus_dmamap_create(msc->sc_dmat, LE_MEMSIZE, 1,
LE_MEMSIZE, 0, BUS_DMA_NOWAIT, &msc->sc_dmam)) {
printf("%s: couldn't create DMA map\n",
sc->sc_dev.dv_xname);
bus_dmamem_free(msc->sc_dmat, &seg, rseg);
return;
}
if (bus_dmamap_load(msc->sc_dmat, msc->sc_dmam,
sc->sc_mem, LE_MEMSIZE, NULL, BUS_DMA_NOWAIT)) {
printf("%s: coundn't load DMA map\n",
sc->sc_dev.dv_xname);
bus_dmamem_free(msc->sc_dmat, &seg, rseg);
return;
}
/*
* This is magic -- DMA doesn't work without address
* bit 30 set to one.
*/
sc->sc_addr = 0x40000000 | msc->sc_dmam->dm_segs[0].ds_addr;
sc->sc_memsize = LE_MEMSIZE;
sc->sc_copytodesc = le_copytodesc;
sc->sc_copyfromdesc = le_copyfromdesc;
sc->sc_copytobuf = lance_copytobuf_contig;
sc->sc_copyfrombuf = lance_copyfrombuf_contig;
sc->sc_zerobuf = lance_zerobuf_contig;
sc->sc_rdcsr = le_rdcsr;
sc->sc_wrcsr = le_wrcsr;
printf("%s", sc->sc_dev.dv_xname);
/* Save the MAC address. */
for (i = 0; i < 3; i++) {
sc->sc_enaddr[i*2] = le_rdcsr(sc, 12+i);
sc->sc_enaddr[i*2+1] = le_rdcsr(sc, 12+i) >> 8;
}
am79900_config(&msc->sc_am79900);
/* Chip is stopped. Set "software style" to 32-bit. */
le_wrcsr(sc, LE_CSR58, 2);
intr_establish(eaa->elb_irq, IST_LEVEL, IPL_NET, am79900_intr, sc);
}
/*
* Read from an indirect CSR.
*/
static u_int16_t
le_rdcsr(struct lance_softc *sc, u_int16_t reg)
{
struct le_elb_softc *lesc = (struct le_elb_softc *)sc;
bus_space_tag_t iot = lesc->sc_iot;
bus_space_handle_t ioh = lesc->sc_ioh;
u_int16_t val;
bus_space_write_4(iot, ioh, LE_RAP, reg);
val = bus_space_read_4(iot, ioh, LE_RDP);
return(val);
}
/*
* Write to an indirect CSR.
*/
static void
le_wrcsr(struct lance_softc *sc, u_int16_t reg, u_int16_t val)
{
struct le_elb_softc *lesc = (struct le_elb_softc *)sc;
bus_space_tag_t iot = lesc->sc_iot;
bus_space_handle_t ioh = lesc->sc_ioh;
bus_space_write_4(iot, ioh, LE_RAP, reg);
bus_space_write_4(iot, ioh, LE_RDP, val);
}
/*
* Copy data to memory and swap bytes.
*/
static void
le_copytodesc(struct lance_softc *sc, void *from, int boff, int len)
{
volatile u_int32_t *src = from;
volatile u_int32_t *dst = (u_int32_t *)((u_char *)sc->sc_mem+boff);
/* XXX lance_setladrf should be modified to use u_int32_t instead.
* The init block contains u_int16_t values that require
* special swapping.
*/
if (boff == LE_INITADDR(sc) && len == sizeof(struct leinit)) {
src[3] = (src[3] >> 16) | (src[3] << 16);
src[4] = (src[4] >> 16) | (src[4] << 16);
}
len /= sizeof(u_int32_t);
while (len-- > 0)
*dst++ = bswap32(*src++);
}
/*
* Copy data from memory and swap bytes.
*/
static void
le_copyfromdesc(struct lance_softc *sc, void *to, int boff, int len)
{
volatile u_int32_t *src = (u_int32_t *)((u_char *)sc->sc_mem+boff);
volatile u_int32_t *dst = to;
len /= sizeof(u_int32_t);
while (len-- > 0)
*dst++ = bswap32(*src++);
}

81
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/* $NetBSD: lpt_elb.c,v 1.1 2003/03/11 10:57:57 hannken Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Juergen Hannken-Illjes.
*
* 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.
*/
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <sys/tty.h>
#include <machine/bus.h>
#include <dev/ic/lptreg.h>
#include <dev/ic/lptvar.h>
#include <evbppc/explora/dev/elbvar.h>
static int lpt_elb_probe(struct device *, struct cfdata *, void *);
static void lpt_elb_attach(struct device *, struct device *, void *);
CFATTACH_DECL(lpt_elb, sizeof(struct lpt_softc),
lpt_elb_probe, lpt_elb_attach, NULL, NULL);
int
lpt_elb_probe(struct device *parent, struct cfdata *cf, void *aux)
{
struct elb_attach_args *oaa = aux;
if (strcmp(oaa->elb_name, cf->cf_name) != 0)
return 0;
return (1);
}
void
lpt_elb_attach(struct device *parent, struct device *self, void *aux)
{
struct lpt_softc *sc = (struct lpt_softc *)self;
struct elb_attach_args *eaa = aux;
sc->sc_iot = eaa->elb_bt;
bus_space_map(sc->sc_iot, eaa->elb_base, LPT_NPORTS, 0, &sc->sc_ioh);
printf("\n");
lpt_attach_subr(sc);
}

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/* $NetBSD: pckbc_elb.c,v 1.1 2003/03/11 10:57:57 hannken Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Juergen Hannken-Illjes.
*
* 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.
*/
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <machine/bus.h>
#include <dev/ic/i8042reg.h>
#include <dev/ic/pckbcvar.h>
#include <evbppc/explora/dev/elbvar.h>
struct pckbc_elb_softc {
struct pckbc_softc sc_pckbc;
int sc_irq;
};
static int pckbc_elb_probe(struct device *, struct cfdata *, void *);
static void pckbc_elb_attach(struct device *, struct device *, void *);
static void pckbc_elb_intr_establish(struct pckbc_softc *, pckbc_slot_t);
CFATTACH_DECL(pckbc_elb, sizeof(struct pckbc_elb_softc),
pckbc_elb_probe, pckbc_elb_attach, NULL, NULL);
int
pckbc_elb_probe(struct device *parent, struct cfdata *cf, void *aux)
{
struct elb_attach_args *oaa = aux;
if (strcmp(oaa->elb_name, cf->cf_name) != 0)
return 0;
return (1);
}
void
pckbc_elb_attach(struct device *parent, struct device *self, void *aux)
{
struct pckbc_elb_softc *msc = (void *)self;
struct pckbc_softc *sc = &msc->sc_pckbc;
struct elb_attach_args *eaa = aux;
struct pckbc_internal *t;
/*
* Setup interrupt data.
*/
msc->sc_irq = eaa->elb_irq;
sc->intr_establish = pckbc_elb_intr_establish;
if (pckbc_is_console(eaa->elb_bt, eaa->elb_base)) {
t = &pckbc_consdata;
pckbc_console_attached = 1;
} else {
t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_WAITOK);
memset(t, 0, sizeof(struct pckbc_internal));
}
t->t_iot = eaa->elb_bt;
bus_space_map(eaa->elb_bt, eaa->elb_base, 1, 0, &t->t_ioh_d);
bus_space_map(eaa->elb_bt, eaa->elb_base2, 1, 0, &t->t_ioh_c);
t->t_addr = eaa->elb_base;
t->t_sc = sc;
sc->id = t;
printf("\n");
pckbc_attach(sc);
}
static void
pckbc_elb_intr_establish(struct pckbc_softc *sc, pckbc_slot_t slot)
{
struct pckbc_elb_softc *msc = (void *)sc;
int irq = msc->sc_irq;
/*
* We ignore slot since all slots use the same interrupt.
*/
if (irq >= 0)
intr_establish(irq, IST_LEVEL, IPL_SERIAL, pckbcintr, sc);
irq = -1;
}

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/* $NetBSD: explora_start.S,v 1.1 2003/03/11 10:57:56 hannken Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Juergen Hannken-Illjes.
*
* 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.
*/
/*
* Initial state:
*
* iccr = 0x00008001 0x80000000-0x87ffffff 0xf80000000-0xffffffff
* dccr = 0x00008001 0x80000000-0x87ffffff 0xf80000000-0xffffffff
* dcwr = 0x00000000
* msr = 0x00001000 ME=machine check enable
*
*/
#include "assym.h"
#include <machine/param.h>
#include <machine/psl.h>
#include <machine/trap.h>
#include <machine/asm.h>
#include <powerpc/spr.h>
#include <powerpc/ibm4xx/dcr403cgx.h>
#include <powerpc/ibm4xx/pmap.h>
#include "opt_ddb.h"
#include "opt_ppcparam.h"
GLOBAL(proc0paddr)
.long 0 /* proc0 p_addr */
GLOBAL(intrnames)
.asciz "irq0", "irq1", "irq2", "irq3"
.asciz "irq4", "irq5", "irq6", "irq7"
.asciz "irq8", "irq9", "irq10", "irq11"
.asciz "irq12", "irq13", "irq14", "irq15"
.asciz "irq16", "irq17", "irq18", "softnet"
.asciz "softclock", "softserial", "clock", "statclock"
.asciz "irq24", "irq25", "irq26", "irq27"
.asciz "irq28", "irq29", "irq30", "irq31"
GLOBAL(eintrnames)
.align 4
GLOBAL(intrcnt)
.long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
.long 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
GLOBAL(eintrcnt)
/*
* Initially the dram starts at 0x01000000. This is way too high.
* We relocate dram to 0x00000000. We use the video ram at 0xf0000000
* as a temporary staging area.
*/
#define STAGE1_BASE 0xf0000000
.text
.globl __start
__start:
b 1f
nop
nop
.long 0
.ascii "XncdPPC\0"
.long 0
.long 0
1:
/* Disable exceptions, caches, invalidate all TLB's. */
li 0,0
mtmsr 0
mttcr 0
mtdccr 0
mticcr 0
sync
isync
/* Clear caches and invalidate tlbs */
li 7,256
mtctr 7
li 6,0
1:
dccci 0,6
addi 6,6,16
bdnz 1b
li 7,512
mtctr 7
li 6,0
1:
iccci 0,6
addi 6,6,16
bdnz 1b
tlbia
sync
isync
/* Get current address -- NOT the same as . */
bl _next
_next:
mflr 3
subi 3,3,_next-__start
lis 4,STAGE1_BASE@h
ori 4,4,STAGE1_BASE@l
li 5,stage1size
1:
lbz 1,0(3)
mr 0,5
cmpwi 0,0
stb 1,0(4)
addi 3,3,1
addi 4,4,1
addi 5,5,-1
bgt 1b
/* Jump into the staging area so we can remap the dram. */
lis 0,stage1reloc@h
ori 0,0,stage1reloc@l
mtlr 0
blr
stage1reloc = .-__start+STAGE1_BASE
/* Remap the dram from 0x01000000 to 0x00000000. */
#define REMAP(r, tmp1, tmp2) \
mfbr##r tmp1 ; \
lis tmp2,0xff ; \
ori tmp2,tmp2,0xffff ; \
cmplw tmp1,tmp2 ; \
ble 1f ; \
addis tmp1,tmp1,0xf000 ; \
mtbr##r tmp1 ; \
1:
REMAP(4, 1, 2)
REMAP(5, 1, 2)
REMAP(6, 1, 2)
REMAP(7, 1, 2)
#undef REMAP
/* Initial setup. */
ba stage2
stage2:
#ifdef PPC_4XX_NOCACHE
li 0,0
#else
lis 0,0xfffc
#endif
mtdccr 0
mticcr 0
sync
isync
/* get start of bss */
lis 7,_C_LABEL(edata)-4@h
ori 7,7,_C_LABEL(edata)-4@l
/* get end of kernel */
lis 4,_C_LABEL(end)@h
ori 4,4,_C_LABEL(end)@l
/* clear bss */
li 3,0
1:
stwu 3,4(7)
cmpw 7,4
bne+ 1b
INIT_CPUINFO(4,1,9,0)
lis 3,__start@h
ori 3,3,__start@l
/* Run the remaining setup in C. */
bl _C_LABEL(bootstrap)
bl _C_LABEL(main)
/* NOTREACHED */
2: nop
b 2b
stage1size = .-__start
#include <powerpc/ibm4xx/4xx_locore.S>

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/* $NetBSD: machdep.c,v 1.1 2003/03/11 10:57:56 hannken Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Juergen Hannken-Illjes.
*
* 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.
*/
#include <sys/param.h>
#include <sys/buf.h>
#include <sys/msgbuf.h>
#include <sys/kernel.h>
#include <sys/mount.h>
#include <sys/proc.h>
#include <sys/user.h>
#include <sys/reboot.h>
#include <sys/properties.h>
#include <uvm/uvm_extern.h>
#include <net/netisr.h>
#include <machine/explora.h>
#include <machine/bus.h>
#include <machine/powerpc.h>
#include <machine/trap.h>
#include <powerpc/spr.h>
#include <powerpc/ibm4xx/dcr403cgx.h>
#ifdef DDB
#include <machine/db_machdep.h>
#include <ddb/db_extern.h>
#endif
#define MEMREGIONS 2
#define TLB_PG_SIZE (16*1024*1024)
char cpu_model[80];
char machine[] = MACHINE; /* from <machine/param.h> */
char machine_arch[] = MACHINE_ARCH; /* from <machine/param.h> */
extern struct user *proc0paddr;
struct propdb *board_info = NULL;
struct vm_map *phys_map = NULL;
struct vm_map *mb_map = NULL;
struct vm_map *exec_map = NULL;
char msgbuf[MSGBUFSIZE];
paddr_t msgbuf_paddr;
static unsigned cpuspeed = 66000000;
static unsigned memsize;
static struct mem_region phys_mem[MEMREGIONS];
static struct mem_region avail_mem[MEMREGIONS];
void bootstrap(u_int, u_int);
static void install_extint(void (*)(void));
int lcsplx(int);
/*
* Trap vectors
*/
extern int defaulttrap, defaultsize;
extern int sctrap, scsize;
extern int alitrap, alisize;
extern int dsitrap, dsisize;
extern int isitrap, isisize;
extern int mchktrap, mchksize;
extern int tlbimiss4xx, tlbim4size;
extern int tlbdmiss4xx, tlbdm4size;
extern int pitfitwdog, pitfitwdogsize;
extern int debugtrap, debugsize;
extern int errata51handler, errata51size;
#ifdef DDB
extern int ddblow, ddbsize;
#endif
static struct {
int vector;
void *addr;
void *size;
} trap_table[] = {
{ EXC_SC, &sctrap, &scsize },
{ EXC_ALI, &alitrap, &alisize },
{ EXC_DSI, &dsitrap, &dsisize },
{ EXC_ISI, &isitrap, &isisize },
{ EXC_MCHK, &mchktrap, &mchksize },
{ EXC_ITMISS, &tlbimiss4xx, &tlbim4size },
{ EXC_DTMISS, &tlbdmiss4xx, &tlbdm4size },
{ EXC_PIT, &pitfitwdog, &pitfitwdogsize },
{ EXC_DEBUG, &debugtrap, &debugsize },
{ (EXC_DTMISS|EXC_ALI), &errata51handler, &errata51size },
#if defined(DDB)
{ EXC_PGM, &ddblow, &ddbsize },
#endif /* DDB */
};
static void
set_tlb(int idx, u_int addr, u_int flags)
{
u_int lo, hi;
addr &= ~(TLB_PG_SIZE-1);
lo = addr | TLB_EX | TLB_WR | flags;
#ifdef PPC_4XX_NOCACHE
lo |= TLB_I;
#endif
hi = addr | TLB_VALID | TLB_PG_16M;
asm volatile(
" tlbwe %1,%0,1 \n"
" tlbwe %2,%0,0 \n"
" sync \n"
: : "r" (idx), "r" (lo), "r" (hi) );
}
void
bootstrap(u_int startkernel, u_int endkernel)
{
u_int i, j, t, br[4];
u_int maddr, msize, size;
struct cpu_info * const ci = &cpu_info[0];
consinit();
br[0] = mfdcr(DCR_BR4);
br[1] = mfdcr(DCR_BR5);
br[2] = mfdcr(DCR_BR6);
br[3] = mfdcr(DCR_BR7);
for (i = 0; i < 4; i++)
for (j = i+1; j < 4; j++)
if (br[j] < br[i])
t = br[j], br[j] = br[i], br[i] = t;
for (i = 0, size = 0; i < 4; i++) {
if (((br[i] >> 19) & 3) != 3)
continue;
maddr = ((br[i] >> 24) & 0xff) << 20;
msize = 1 << (20 + ((br[i] >> 21) & 7));
if (maddr+msize > size)
size = maddr+msize;
}
phys_mem[0].start = 0;
phys_mem[0].size = size & ~PGOFSET;
avail_mem[0].start = startkernel;
avail_mem[0].size = size-startkernel;
asm volatile(
" mtpid %0 \n"
" sync \n"
: : "r" (1) );
/*
* Setup initial tlbs.
* Physical memory is mapped into the first (reserved) tlbs.
* Memory of potential console devices is mapped into the
* last tlbs. They are only needed until the devices are configured.
*/
t = 0;
for (maddr = 0; maddr < phys_mem[0].size; maddr += TLB_PG_SIZE)
set_tlb(t++, maddr, 0);
t = NTLB-1;
set_tlb(t--, BASE_FB, TLB_I | TLB_G);
set_tlb(t--, BASE_FB2, TLB_I | TLB_G);
set_tlb(t--, BASE_COM, TLB_I | TLB_G);
/* Disable all external interrupts */
mtdcr(DCR_EXIER, 0);
/* Disable all timer interrupts */
mtspr(SPR_TCR, 0);
/* Initialize cache info for memcpy, etc. */
cpu_probe_cache();
/*
* Initialize lwp0 and current pcb and pmap pointers.
*/
lwp0.l_cpu = ci;
lwp0.l_addr = proc0paddr;
memset(lwp0.l_addr, 0, sizeof *lwp0.l_addr);
curpcb = &proc0paddr->u_pcb;
curpm = curpcb->pcb_pmreal = curpcb->pcb_pm = pmap_kernel();
/*
* Install trap vectors.
*/
for (i = EXC_RSVD; i <= EXC_LAST; i += 0x100)
memcpy((void *)i, &defaulttrap, (size_t)&defaultsize);
for (i = 0; i < sizeof(trap_table)/sizeof(trap_table[0]); i++) {
memcpy((void *)trap_table[i].vector, trap_table[i].addr,
(size_t)trap_table[i].size);
}
__syncicache((void *)EXC_RST, EXC_LAST - EXC_RST + 0x100);
/*
* Set Exception vector base.
* Handle trap instruction as PGM exception.
*/
mtspr(SPR_EVPR, 0);
t = mfspr(SPR_DBCR0);
t &= ~DBCR0_TDE;
mtspr(SPR_DBCR0, t);
/*
* External interrupt handler install.
*/
install_extint(ext_intr);
/*
* Now enable translation (and machine checks/recoverable interrupts).
*/
asm volatile (
" mfmsr %0 \n"
" ori %0,%0,%1 \n"
" mtmsr %0 \n"
" sync \n"
: : "r" (0), "K" (PSL_IR|PSL_DR|PSL_ME) );
uvm_setpagesize();
/*
* Initialize pmap module.
*/
pmap_bootstrap(startkernel, endkernel);
#ifdef DDB
ddb_init(0, NULL, NULL);
#endif
fake_mapiodev = 0;
}
static void
install_extint(void (*handler)(void))
{
extern int extint, extsize;
extern u_long extint_call;
u_long offset = (u_long)handler - (u_long)&extint_call;
int omsr, msr;
#ifdef DIAGNOSTIC
if (offset > 0x1ffffff)
panic("install_extint: too far away");
#endif
asm volatile (
" mfmsr %0 \n"
" andi. %1,%0,%2 \n"
" mtmsr %1 \n"
: "=r" (omsr), "=r" (msr) : "K" ((u_short)~PSL_EE) );
extint_call = (extint_call & 0xfc000003) | offset;
memcpy((void *)EXC_EXI, &extint, (size_t)&extsize);
__syncicache((void *)&extint_call, sizeof extint_call);
__syncicache((void *)EXC_EXI, (int)&extsize);
asm volatile (
" mtmsr %0 \n"
: : "r" (omsr) );
}
void
cpu_startup(void)
{
caddr_t v;
vaddr_t minaddr, maxaddr;
u_int sz, i, base, residual;
char pbuf[9];
/*
* Initialize error message buffer (before start of kernel)
*/
initmsgbuf((caddr_t)msgbuf, round_page(MSGBUFSIZE));
printf("%s", version);
printf("NCD Explora451\n");
memsize = ctob(physmem);
format_bytes(pbuf, sizeof(pbuf), ctob(physmem));
printf("total memory = %s\n", pbuf);
/*
* Find out how much space we need, allocate it,
* and then give everything true virtual addresses.
*/
sz = (u_int)allocsys(NULL, NULL);
if ((v = (caddr_t)uvm_km_zalloc(kernel_map, round_page(sz))) == 0)
panic("startup: no room for tables");
if (allocsys(v, NULL) - v != sz)
panic("startup: table size inconsistency");
/*
* Now allocate buffers proper. They are different than the above
* in that they usually occupy more virtual memory than physical.
*/
sz = MAXBSIZE * nbuf;
minaddr = 0;
if (uvm_map(kernel_map, (vaddr_t *)&minaddr, round_page(sz),
NULL, UVM_UNKNOWN_OFFSET, 0,
UVM_MAPFLAG(UVM_PROT_NONE, UVM_PROT_NONE, UVM_INH_NONE,
UVM_ADV_NORMAL, 0)) != 0)
panic("startup: cannot allocate VM for buffers");
buffers = (char *)minaddr;
base = bufpages / nbuf;
residual = bufpages % nbuf;
if (base >= MAXBSIZE) {
/* Don't want to alloc more physical mem than ever needed */
base = MAXBSIZE;
residual = 0;
}
for (i = 0; i < nbuf; i++) {
vsize_t curbufsize;
vaddr_t curbuf;
struct vm_page *pg;
curbuf = (vaddr_t)buffers + i * MAXBSIZE;
curbufsize = NBPG * (i < residual ? base + 1 : base);
while (curbufsize) {
pg = uvm_pagealloc(NULL, 0, NULL, 0);
if (pg == NULL)
panic("cpu_startup: not enough memory for "
"buffer cache");
pmap_kenter_pa(curbuf, VM_PAGE_TO_PHYS(pg),
VM_PROT_READ | VM_PROT_WRITE);
curbuf += PAGE_SIZE;
curbufsize -= PAGE_SIZE;
}
}
/*
* Allocate a submap for exec arguments. This map effectively
* limits the number of processes exec'ing at any time.
*/
exec_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
16*NCARGS, VM_MAP_PAGEABLE, FALSE, NULL);
/*
* Allocate a submap for physio
*/
phys_map = uvm_km_suballoc(kernel_map, &minaddr, &maxaddr,
VM_PHYS_SIZE, 0, FALSE, NULL);
/*
* No need to allocate an mbuf cluster submap. Mbuf clusters
* are allocated via the pool allocator, and we use direct-mapped
* pool pages.
*/
format_bytes(pbuf, sizeof(pbuf), ptoa(uvmexp.free));
printf("avail memory = %s\n", pbuf);
format_bytes(pbuf, sizeof(pbuf), bufpages * NBPG);
printf("using %u buffers containing %s of memory\n", nbuf, pbuf);
/*
* Set up the buffers.
*/
bufinit();
/*
* Set up the board properties database.
*/
if (!(board_info = propdb_create("board info")))
panic("Cannot create board info database");
if (board_info_set("processor-frequency", &cpuspeed,
sizeof(&cpuspeed), PROP_CONST, 0))
panic("setting processor-frequency");
if (board_info_set("mem-size", &memsize,
sizeof(&memsize), PROP_CONST, 0))
panic("setting mem-size");
}
int
lcsplx(int ipl)
{
return spllower(ipl); /*XXX*/
}
void
softnet(void)
{
int isr;
isr = netisr;
netisr = 0;
#define DONETISR(bit, fn) \
do { \
if (isr & (1 << bit)) \
fn(); \
} while (0)
#include <net/netisr_dispatch.h>
#undef DONETISR
}
#include "com.h"
void
softserial(void)
{
#if NCOM > 0
void comsoft(void); /* XXX from dev/ic/com.c */
comsoft();
#endif
}
void
cpu_reboot(int howto, char *what)
{
static int syncing = 0;
boothowto = howto;
if (!cold && !(howto & RB_NOSYNC) && !syncing) {
syncing = 1;
vfs_shutdown();
resettodr();
}
splhigh();
if (!cold && (howto & RB_DUMP))
/*XXX dumpsys()*/;
doshutdownhooks();
if (howto & RB_HALT) {
printf("halted\n\n");
while (1)
;
}
printf("rebooting\n\n");
/* flush cache for msgbuf */
__syncicache((void *)msgbuf_paddr, round_page(MSGBUFSIZE));
ppc4xx_reset();
#ifdef DDB
while (1)
Debugger();
#else
while (1)
;
#endif
}
void
inittodr(time_t base)
{
if (base > 365*24*60*60 && time.tv_sec < 365*24*60*60)
time.tv_sec = base;
}
void
resettodr(void)
{
}
void
mem_regions(struct mem_region **mem, struct mem_region **avail)
{
*mem = phys_mem;
*avail = avail_mem;
}

23
sys/arch/evbppc/include/explora.h Normal file
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@ -0,0 +1,23 @@
#ifndef _EVBPPC_EXPLORA_H_
#define _EVBPPC_EXPLORA_H_
/*
* Base addresses of external peripherals
*/
#define BASE_PCKBC 0x740000c0
#define BASE_PCKBC2 0x740000c8
#define BASE_COM 0x740005f0
#define BASE_LPT 0x740006f0
#define BASE_FB 0x70000000
#define BASE_FB2 0x71000000
#define BASE_LE 0x70800000
#define SIZE_FB (2*1024*1024)
#define MAKE_BUS_TAG(a) ibm4xx_make_bus_space_tag(0, \
((a)&0xff000000) == 0x74000000 ? 1 : 0)
void consinit(void);
#endif /* _EVBPPC_EXPLORA_H_ */