d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Remove versatile support

Browse Source 
It was used for testing armv6 under QEMU, however since then we added
support for the QEMU virt platform.

Reviewed by:	imp, manu
Differential Revision:	https://reviews.freebsd.org/D29707
This commit is contained in:
Andrew Turner 2021-04-11 13:26:50 +00:00
parent 5d2d599d3f
commit 3da5983889
12 changed files with 1 additions and 3228 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
sys/arm/annapurna/alpine/files.alpine
View File

@ -1,6 +1,6 @@
# $FreeBSD$
arm/versatile/sp804.c standard
arm/arm/sp804.c standard
dev/uart/uart_dev_ns8250.c optional uart
arm/annapurna/alpine/alpine_machdep.c standard

311
sys/arm/arm/pl190.c
View File

@ -1,311 +0,0 @@
/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2012-2017 Oleksandr Tymoshenko <gonzo@bluezbox.com>
* 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.
*
* 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/ktr.h>
#include <sys/lock.h>
#include <sys/module.h>
#include <sys/mutex.h>
#include <sys/proc.h>
#include <sys/rman.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <dev/ofw/openfirm.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
#include "pic_if.h"
#ifdef DEBUG
#define dprintf(fmt, args...) printf(fmt, ##args)
#else
#define dprintf(fmt, args...)
#endif
#define VICIRQSTATUS 0x000
#define VICFIQSTATUS 0x004
#define VICRAWINTR 0x008
#define VICINTSELECT 0x00C
#define VICINTENABLE 0x010
#define VICINTENCLEAR 0x014
#define VICSOFTINT 0x018
#define VICSOFTINTCLEAR 0x01C
#define VICPROTECTION 0x020
#define VICPERIPHID 0xFE0
#define VICPRIMECELLID 0xFF0
#define VIC_NIRQS 32
struct pl190_intc_irqsrc {
struct intr_irqsrc isrc;
u_int irq;
};
struct pl190_intc_softc {
device_t dev;
struct mtx mtx;
struct resource * intc_res;
struct pl190_intc_irqsrc isrcs[VIC_NIRQS];
};
#define INTC_VIC_READ_4(sc, reg) \
bus_read_4(sc->intc_res, (reg))
#define INTC_VIC_WRITE_4(sc, reg, val) \
bus_write_4(sc->intc_res, (reg), (val))
#define VIC_LOCK(_sc) mtx_lock_spin(&(_sc)->mtx)
#define VIC_UNLOCK(_sc) mtx_unlock_spin(&(_sc)->mtx)
static inline void
pl190_intc_irq_dispatch(struct pl190_intc_softc *sc, u_int irq,
struct trapframe *tf)
{
struct pl190_intc_irqsrc *src;
src = &sc->isrcs[irq];
if (intr_isrc_dispatch(&src->isrc, tf) != 0)
device_printf(sc->dev, "Stray irq %u detected\n", irq);
}
static int
pl190_intc_intr(void *arg)
{
struct pl190_intc_softc *sc;
u_int cpu;
uint32_t num, pending;
struct trapframe *tf;
sc = arg;
cpu = PCPU_GET(cpuid);
tf = curthread->td_intr_frame;
VIC_LOCK(sc);
pending = INTC_VIC_READ_4(sc, VICIRQSTATUS);
VIC_UNLOCK(sc);
for (num = 0 ; num < VIC_NIRQS; num++) {
if (pending & (1 << num))
pl190_intc_irq_dispatch(sc, num, tf);
}
return (FILTER_HANDLED);
}
static void
pl190_intc_disable_intr(device_t dev, struct intr_irqsrc *isrc)
{
struct pl190_intc_softc *sc;
struct pl190_intc_irqsrc *src;
sc = device_get_softc(dev);
src = (struct pl190_intc_irqsrc *)isrc;
VIC_LOCK(sc);
INTC_VIC_WRITE_4(sc, VICINTENCLEAR, (1 << src->irq));
VIC_UNLOCK(sc);
}
static void
pl190_intc_enable_intr(device_t dev, struct intr_irqsrc *isrc)
{
struct pl190_intc_softc *sc;
struct pl190_intc_irqsrc *src;
sc = device_get_softc(dev);
src = (struct pl190_intc_irqsrc *)isrc;
VIC_LOCK(sc);
INTC_VIC_WRITE_4(sc, VICINTENABLE, (1 << src->irq));
VIC_UNLOCK(sc);
}
static int
pl190_intc_map_intr(device_t dev, struct intr_map_data *data,
struct intr_irqsrc **isrcp)
{
struct intr_map_data_fdt *daf;
struct pl190_intc_softc *sc;
if (data->type != INTR_MAP_DATA_FDT)
return (ENOTSUP);
daf = (struct intr_map_data_fdt *)data;
if (daf->ncells != 1 || daf->cells[0] >= VIC_NIRQS)
return (EINVAL);
sc = device_get_softc(dev);
*isrcp = &sc->isrcs[daf->cells[0]].isrc;
return (0);
}
static void
pl190_intc_pre_ithread(device_t dev, struct intr_irqsrc *isrc)
{
pl190_intc_disable_intr(dev, isrc);
}
static void
pl190_intc_post_ithread(device_t dev, struct intr_irqsrc *isrc)
{
struct pl190_intc_irqsrc *src;
src = (struct pl190_intc_irqsrc *)isrc;
pl190_intc_enable_intr(dev, isrc);
arm_irq_memory_barrier(src->irq);
}
static void
pl190_intc_post_filter(device_t dev, struct intr_irqsrc *isrc)
{
struct pl190_intc_irqsrc *src;
src = (struct pl190_intc_irqsrc *)isrc;
arm_irq_memory_barrier(src->irq);
}
static int
pl190_intc_setup_intr(device_t dev, struct intr_irqsrc *isrc,
struct resource *res, struct intr_map_data *data)
{
return (0);
}
static int
pl190_intc_probe(device_t dev)
{
if (!ofw_bus_status_okay(dev))
return (ENXIO);
if (!ofw_bus_is_compatible(dev, "arm,versatile-vic"))
return (ENXIO);
device_set_desc(dev, "ARM PL190 VIC");
return (BUS_PROBE_DEFAULT);
}
static int
pl190_intc_attach(device_t dev)
{
struct pl190_intc_softc *sc;
uint32_t id;
int i, rid;
struct pl190_intc_irqsrc *isrcs;
struct intr_pic *pic;
int error;
uint32_t irq;
const char *name;
phandle_t xref;
sc = device_get_softc(dev);
sc->dev = dev;
mtx_init(&sc->mtx, device_get_nameunit(dev), "pl190",
MTX_SPIN);
/* Request memory resources */
rid = 0;
sc->intc_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
RF_ACTIVE);
if (sc->intc_res == NULL) {
device_printf(dev, "Error: could not allocate memory resources\n");
return (ENXIO);
}
/*
* All interrupts should use IRQ line
*/
INTC_VIC_WRITE_4(sc, VICINTSELECT, 0x00000000);
/* Disable all interrupts */
INTC_VIC_WRITE_4(sc, VICINTENCLEAR, 0xffffffff);
id = 0;
for (i = 3; i >= 0; i--) {
id = (id << 8) |
(INTC_VIC_READ_4(sc, VICPERIPHID + i*4) & 0xff);
}
device_printf(dev, "Peripheral ID: %08x\n", id);
id = 0;
for (i = 3; i >= 0; i--) {
id = (id << 8) |
(INTC_VIC_READ_4(sc, VICPRIMECELLID + i*4) & 0xff);
}
device_printf(dev, "PrimeCell ID: %08x\n", id);
/* PIC attachment */
isrcs = sc->isrcs;
name = device_get_nameunit(sc->dev);
for (irq = 0; irq < VIC_NIRQS; irq++) {
isrcs[irq].irq = irq;
error = intr_isrc_register(&isrcs[irq].isrc, sc->dev,
0, "%s,%u", name, irq);
if (error != 0)
return (error);
}
xref = OF_xref_from_node(ofw_bus_get_node(sc->dev));
pic = intr_pic_register(sc->dev, xref);
if (pic == NULL)
return (ENXIO);
return (intr_pic_claim_root(sc->dev, xref, pl190_intc_intr, sc, 0));
}
static device_method_t pl190_intc_methods[] = {
DEVMETHOD(device_probe, pl190_intc_probe),
DEVMETHOD(device_attach, pl190_intc_attach),
DEVMETHOD(pic_disable_intr, pl190_intc_disable_intr),
DEVMETHOD(pic_enable_intr, pl190_intc_enable_intr),
DEVMETHOD(pic_map_intr, pl190_intc_map_intr),
DEVMETHOD(pic_post_filter, pl190_intc_post_filter),
DEVMETHOD(pic_post_ithread, pl190_intc_post_ithread),
DEVMETHOD(pic_pre_ithread, pl190_intc_pre_ithread),
DEVMETHOD(pic_setup_intr, pl190_intc_setup_intr),
DEVMETHOD_END
};
static driver_t pl190_intc_driver = {
"intc",
pl190_intc_methods,
sizeof(struct pl190_intc_softc),
};
static devclass_t pl190_intc_devclass;
EARLY_DRIVER_MODULE(intc, simplebus, pl190_intc_driver, pl190_intc_devclass,
0, 0, BUS_PASS_INTERRUPT + BUS_PASS_ORDER_MIDDLE);

0
sys/arm/versatile/sp804.c → sys/arm/arm/sp804.c
View File

75
sys/arm/conf/VERSATILEPB
View File

@ -1,75 +0,0 @@
#
# VERSATILEPB - Configuration for QEMU version of Versatile Platform Board
#
# For more information on this file, please read the config(5) manual page,
# and/or the handbook section on Kernel Configuration Files:
#
# https://www.FreeBSD.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig-config.html
#
# The handbook is also available locally in /usr/share/doc/handbook
# if you've installed the doc distribution, otherwise always see the
# FreeBSD World Wide Web server (https://www.FreeBSD.org/) for the
# latest information.
#
# An exhaustive list of options and more detailed explanations of the
# device lines is also present in the ../../conf/NOTES and NOTES files.
# If you are in doubt as to the purpose or necessity of a line, check first
# in NOTES.
#
# $FreeBSD$
ident VERSATILEPB
machine arm armv6
cpu CPU_ARM1176
include "std.armv6"
files "../versatile/files.versatile"
makeoptions MODULES_OVERRIDE=""
options KERNVIRTADDR=0xc0100000
makeoptions KERNVIRTADDR=0xc0100000
options SCHED_4BSD # 4BSD scheduler
options LINUX_BOOT_ABI # Process metadata passed from Linux boot loaders
options ROOTDEVNAME=\"ufs:da0s1a\"
device bpf
device loop
device mii
device mii_bitbang
device smc
device smcphy
device ether
device uart
device pl011
device pl190
device pty
device snp
device pci
# SCSI Controllers
device sym # NCR/Symbios/LSI Logic 53C8XX/53C1010/53C1510D
# ATA/SCSI peripherals
device scbus # SCSI bus (required for ATA/SCSI)
device da # Direct Access (disks)
device pass # Passthrough device (direct ATA/SCSI access)
# NOTE: serial console is disabled if syscons enabled
# Comment following lines for headless setup
device sc
device kbdmux
options SC_DFLT_FONT # compile font in
makeoptions SC_DFLT_FONT=cp437
device md
options PLATFORM
# Flattened Device Tree
options FDT # Configure using FDT/DTB data
options FDT_DTB_STATIC
makeoptions FDT_DTS_FILE=versatile-pb.dts

9
sys/arm/versatile/files.versatile
View File

@ -1,9 +0,0 @@
# $FreeBSD$
arm/versatile/pl050.c optional sc
arm/versatile/sp804.c standard
arm/versatile/versatile_machdep.c standard
arm/versatile/versatile_clcd.c optional sc
arm/versatile/versatile_pci.c optional pci
arm/versatile/versatile_scm.c standard
arm/versatile/versatile_sic.c standard

742
sys/arm/versatile/pl050.c
View File

@ -1,742 +0,0 @@
/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2012 Oleksandr Tymoshenko <gonzo@freebsd.org>
* All rights reserved.
*
* Based on dev/usb/input/ukbd.c
*
* 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 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/module.h>
#include <sys/malloc.h>
#include <sys/mutex.h>
#include <sys/rman.h>
#include <sys/proc.h>
#include <sys/sched.h>
#include <sys/kdb.h>
#include <machine/bus.h>
#include <machine/cpu.h>
#include <machine/intr.h>
#include <dev/ofw/openfirm.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
#include <sys/ioccom.h>
#include <sys/filio.h>
#include <sys/kbio.h>
#include <dev/kbd/kbdreg.h>
#include <machine/bus.h>
#include <dev/kbd/kbdtables.h>
#define KMI_LOCK() mtx_lock(&Giant)
#define KMI_UNLOCK() mtx_unlock(&Giant)
#ifdef INVARIANTS
/*
* Assert that the lock is held in all contexts
* where the code can be executed.
*/
#define KMI_LOCK_ASSERT() mtx_assert(&Giant, MA_OWNED)
/*
* Assert that the lock is held in the contexts
* where it really has to be so.
*/
#define KMI_CTX_LOCK_ASSERT() \
do { \
if (!kdb_active && !KERNEL_PANICKED()) \
mtx_assert(&Giant, MA_OWNED); \
} while (0)
#else
#define KMI_LOCK_ASSERT() (void)0
#define KMI_CTX_LOCK_ASSERT() (void)0
#endif
#define KMICR 0x00
#define KMICR_TYPE_NONPS2 (1 << 5)
#define KMICR_RXINTREN (1 << 4)
#define KMICR_TXINTREN (1 << 3)
#define KMICR_EN (1 << 2)
#define KMICR_FKMID (1 << 1)
#define KMICR_FKMIC (1 << 0)
#define KMISTAT 0x04
#define KMISTAT_TXEMPTY (1 << 6)
#define KMISTAT_TXBUSY (1 << 5)
#define KMISTAT_RXFULL (1 << 4)
#define KMISTAT_RXBUSY (1 << 3)
#define KMISTAT_RXPARITY (1 << 2)
#define KMISTAT_KMIC (1 << 1)
#define KMISTAT_KMID (1 << 0)
#define KMIDATA 0x08
#define KMICLKDIV 0x0C
#define KMIIR 0x10
#define KMIIR_TXINTR (1 << 1)
#define KMIIR_RXINTR (1 << 0)
#define KMI_DRIVER_NAME "kmi"
#define KMI_NFKEY (sizeof(fkey_tab)/sizeof(fkey_tab[0])) /* units */
#define SET_SCANCODE_SET 0xf0
struct kmi_softc {
device_t sc_dev;
keyboard_t sc_kbd;
keymap_t sc_keymap;
accentmap_t sc_accmap;
fkeytab_t sc_fkeymap[KMI_NFKEY];
struct resource* sc_mem_res;
struct resource* sc_irq_res;
void* sc_intr_hl;
int sc_mode; /* input mode (K_XLATE,K_RAW,K_CODE) */
int sc_state; /* shift/lock key state */
int sc_accents; /* accent key index (> 0) */
uint32_t sc_flags; /* flags */
#define KMI_FLAG_COMPOSE 0x00000001
#define KMI_FLAG_POLLING 0x00000002
struct thread *sc_poll_thread;
};
/* Read/Write macros for Timer used as timecounter */
#define pl050_kmi_read_4(sc, reg) \
bus_read_4((sc)->sc_mem_res, (reg))
#define pl050_kmi_write_4(sc, reg, val) \
bus_write_4((sc)->sc_mem_res, (reg), (val))
/* prototypes */
static void kmi_set_leds(struct kmi_softc *, uint8_t);
static int kmi_set_typematic(keyboard_t *, int);
static uint32_t kmi_read_char(keyboard_t *, int);
static void kmi_clear_state(keyboard_t *);
static int kmi_ioctl(keyboard_t *, u_long, caddr_t);
static int kmi_enable(keyboard_t *);
static int kmi_disable(keyboard_t *);
static int kmi_attached = 0;
/* early keyboard probe, not supported */
static int
kmi_configure(int flags)
{
return (0);
}
/* detect a keyboard, not used */
static int
kmi_probe(int unit, void *arg, int flags)
{
return (ENXIO);
}
/* reset and initialize the device, not used */
static int
kmi_init(int unit, keyboard_t **kbdp, void *arg, int flags)
{
return (ENXIO);
}
/* test the interface to the device, not used */
static int
kmi_test_if(keyboard_t *kbd)
{
return (0);
}
/* finish using this keyboard, not used */
static int
kmi_term(keyboard_t *kbd)
{
return (ENXIO);
}
/* keyboard interrupt routine, not used */
static int
kmi_intr(keyboard_t *kbd, void *arg)
{
return (0);
}
/* lock the access to the keyboard, not used */
static int
kmi_lock(keyboard_t *kbd, int lock)
{
return (1);
}
/*
* Enable the access to the device; until this function is called,
* the client cannot read from the keyboard.
*/
static int
kmi_enable(keyboard_t *kbd)
{
KMI_LOCK();
KBD_ACTIVATE(kbd);
KMI_UNLOCK();
return (0);
}
/* disallow the access to the device */
static int
kmi_disable(keyboard_t *kbd)
{
KMI_LOCK();
KBD_DEACTIVATE(kbd);
KMI_UNLOCK();
return (0);
}
/* check if data is waiting */
static int
kmi_check(keyboard_t *kbd)
{
struct kmi_softc *sc = kbd->kb_data;
uint32_t reg;
KMI_CTX_LOCK_ASSERT();
if (!KBD_IS_ACTIVE(kbd))
return (0);
reg = pl050_kmi_read_4(sc, KMIIR);
return (reg & KMIIR_RXINTR);
}
/* check if char is waiting */
static int
kmi_check_char_locked(keyboard_t *kbd)
{
KMI_CTX_LOCK_ASSERT();
if (!KBD_IS_ACTIVE(kbd))
return (0);
return (kmi_check(kbd));
}
static int
kmi_check_char(keyboard_t *kbd)
{
int result;
KMI_LOCK();
result = kmi_check_char_locked(kbd);
KMI_UNLOCK();
return (result);
}
/* read one byte from the keyboard if it's allowed */
/* Currently unused. */
static int
kmi_read(keyboard_t *kbd, int wait)
{
KMI_CTX_LOCK_ASSERT();
if (!KBD_IS_ACTIVE(kbd))
return (-1);
++(kbd->kb_count);
printf("Implement ME: %s\n", __func__);
return (0);
}
/* read char from the keyboard */
static uint32_t
kmi_read_char_locked(keyboard_t *kbd, int wait)
{
struct kmi_softc *sc = kbd->kb_data;
uint32_t reg, data;
KMI_CTX_LOCK_ASSERT();
if (!KBD_IS_ACTIVE(kbd))
return (NOKEY);
reg = pl050_kmi_read_4(sc, KMIIR);
if (reg & KMIIR_RXINTR) {
data = pl050_kmi_read_4(sc, KMIDATA);
return (data);
}
++kbd->kb_count;
return (NOKEY);
}
/* Currently wait is always false. */
static uint32_t
kmi_read_char(keyboard_t *kbd, int wait)
{
uint32_t keycode;
KMI_LOCK();
keycode = kmi_read_char_locked(kbd, wait);
KMI_UNLOCK();
return (keycode);
}
/* some useful control functions */
static int
kmi_ioctl_locked(keyboard_t *kbd, u_long cmd, caddr_t arg)
{
struct kmi_softc *sc = kbd->kb_data;
int i;
#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
int ival;
#endif
KMI_LOCK_ASSERT();
switch (cmd) {
case KDGKBMODE: /* get keyboard mode */
*(int *)arg = sc->sc_mode;
break;
#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
case _IO('K', 7):
ival = IOCPARM_IVAL(arg);
arg = (caddr_t)&ival;
/* FALLTHROUGH */
#endif
case KDSKBMODE: /* set keyboard mode */
switch (*(int *)arg) {
case K_XLATE:
if (sc->sc_mode != K_XLATE) {
/* make lock key state and LED state match */
sc->sc_state &= ~LOCK_MASK;
sc->sc_state |= KBD_LED_VAL(kbd);
}
/* FALLTHROUGH */
case K_RAW:
case K_CODE:
if (sc->sc_mode != *(int *)arg) {
if ((sc->sc_flags & KMI_FLAG_POLLING) == 0)
kmi_clear_state(kbd);
sc->sc_mode = *(int *)arg;
}
break;
default:
return (EINVAL);
}
break;
case KDGETLED: /* get keyboard LED */
*(int *)arg = KBD_LED_VAL(kbd);
break;
#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
case _IO('K', 66):
ival = IOCPARM_IVAL(arg);
arg = (caddr_t)&ival;
/* FALLTHROUGH */
#endif
case KDSETLED: /* set keyboard LED */
/* NOTE: lock key state in "sc_state" won't be changed */
if (*(int *)arg & ~LOCK_MASK)
return (EINVAL);
i = *(int *)arg;
/* replace CAPS LED with ALTGR LED for ALTGR keyboards */
if (sc->sc_mode == K_XLATE &&
kbd->kb_keymap->n_keys > ALTGR_OFFSET) {
if (i & ALKED)
i |= CLKED;
else
i &= ~CLKED;
}
if (KBD_HAS_DEVICE(kbd))
kmi_set_leds(sc, i);
KBD_LED_VAL(kbd) = *(int *)arg;
break;
case KDGKBSTATE: /* get lock key state */
*(int *)arg = sc->sc_state & LOCK_MASK;
break;
#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
case _IO('K', 20):
ival = IOCPARM_IVAL(arg);
arg = (caddr_t)&ival;
/* FALLTHROUGH */
#endif
case KDSKBSTATE: /* set lock key state */
if (*(int *)arg & ~LOCK_MASK) {
return (EINVAL);
}
sc->sc_state &= ~LOCK_MASK;
sc->sc_state |= *(int *)arg;
/* set LEDs and quit */
return (kmi_ioctl(kbd, KDSETLED, arg));
case KDSETREPEAT: /* set keyboard repeat rate (new
* interface) */
if (!KBD_HAS_DEVICE(kbd)) {
return (0);
}
if (((int *)arg)[1] < 0) {
return (EINVAL);
}
if (((int *)arg)[0] < 0) {
return (EINVAL);
}
if (((int *)arg)[0] < 200) /* fastest possible value */
kbd->kb_delay1 = 200;
else
kbd->kb_delay1 = ((int *)arg)[0];
kbd->kb_delay2 = ((int *)arg)[1];
return (0);
#if defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD5) || \
defined(COMPAT_FREEBSD4) || defined(COMPAT_43)
case _IO('K', 67):
ival = IOCPARM_IVAL(arg);
arg = (caddr_t)&ival;
/* FALLTHROUGH */
#endif
case KDSETRAD: /* set keyboard repeat rate (old
* interface) */
return (kmi_set_typematic(kbd, *(int *)arg));
case PIO_KEYMAP: /* set keyboard translation table */
case OPIO_KEYMAP: /* set keyboard translation table
* (compat) */
case PIO_KEYMAPENT: /* set keyboard translation table
* entry */
case PIO_DEADKEYMAP: /* set accent key translation table */
sc->sc_accents = 0;
/* FALLTHROUGH */
default:
return (genkbd_commonioctl(kbd, cmd, arg));
}
return (0);
}
static int
kmi_ioctl(keyboard_t *kbd, u_long cmd, caddr_t arg)
{
int result;
/*
* XXX KDGKBSTATE, KDSKBSTATE and KDSETLED can be called from any
* context where printf(9) can be called, which among other things
* includes interrupt filters and threads with any kinds of locks
* already held. For this reason it would be dangerous to acquire
* the Giant here unconditionally. On the other hand we have to
* have it to handle the ioctl.
* So we make our best effort to auto-detect whether we can grab
* the Giant or not. Blame syscons(4) for this.
*/
switch (cmd) {
case KDGKBSTATE:
case KDSKBSTATE:
case KDSETLED:
if (!mtx_owned(&Giant) && !SCHEDULER_STOPPED())
return (EDEADLK); /* best I could come up with */
/* FALLTHROUGH */
default:
KMI_LOCK();
result = kmi_ioctl_locked(kbd, cmd, arg);
KMI_UNLOCK();
return (result);
}
}
/* clear the internal state of the keyboard */
static void
kmi_clear_state(keyboard_t *kbd)
{
struct kmi_softc *sc = kbd->kb_data;
KMI_CTX_LOCK_ASSERT();
sc->sc_flags &= ~(KMI_FLAG_COMPOSE | KMI_FLAG_POLLING);
sc->sc_state &= LOCK_MASK; /* preserve locking key state */
sc->sc_accents = 0;
}
/* save the internal state, not used */
static int
kmi_get_state(keyboard_t *kbd, void *buf, size_t len)
{
return (len == 0) ? 1 : -1;
}
/* set the internal state, not used */
static int
kmi_set_state(keyboard_t *kbd, void *buf, size_t len)
{
return (EINVAL);
}
static int
kmi_poll(keyboard_t *kbd, int on)
{
struct kmi_softc *sc = kbd->kb_data;
KMI_LOCK();
if (on) {
sc->sc_flags |= KMI_FLAG_POLLING;
sc->sc_poll_thread = curthread;
} else {
sc->sc_flags &= ~KMI_FLAG_POLLING;
}
KMI_UNLOCK();
return (0);
}
/* local functions */
static void
kmi_set_leds(struct kmi_softc *sc, uint8_t leds)
{
KMI_LOCK_ASSERT();
/* start transfer, if not already started */
printf("Implement me: %s\n", __func__);
}
static int
kmi_set_typematic(keyboard_t *kbd, int code)
{
static const int delays[] = {250, 500, 750, 1000};
static const int rates[] = {34, 38, 42, 46, 50, 55, 59, 63,
68, 76, 84, 92, 100, 110, 118, 126,
136, 152, 168, 184, 200, 220, 236, 252,
272, 304, 336, 368, 400, 440, 472, 504};
if (code & ~0x7f) {
return (EINVAL);
}
kbd->kb_delay1 = delays[(code >> 5) & 3];
kbd->kb_delay2 = rates[code & 0x1f];
return (0);
}
static keyboard_switch_t kmisw = {
.probe = &kmi_probe,
.init = &kmi_init,
.term = &kmi_term,
.intr = &kmi_intr,
.test_if = &kmi_test_if,
.enable = &kmi_enable,
.disable = &kmi_disable,
.read = &kmi_read,
.check = &kmi_check,
.read_char = &kmi_read_char,
.check_char = &kmi_check_char,
.ioctl = &kmi_ioctl,
.lock = &kmi_lock,
.clear_state = &kmi_clear_state,
.get_state = &kmi_get_state,
.set_state = &kmi_set_state,
.poll = &kmi_poll,
};
KEYBOARD_DRIVER(kmi, kmisw, kmi_configure);
static void
pl050_kmi_intr(void *arg)
{
struct kmi_softc *sc = arg;
uint32_t c;
KMI_CTX_LOCK_ASSERT();
if ((sc->sc_flags & KMI_FLAG_POLLING) != 0)
return;
if (KBD_IS_ACTIVE(&sc->sc_kbd) &&
KBD_IS_BUSY(&sc->sc_kbd)) {
/* let the callback function process the input */
(sc->sc_kbd.kb_callback.kc_func) (&sc->sc_kbd, KBDIO_KEYINPUT,
sc->sc_kbd.kb_callback.kc_arg);
} else {
/* read and discard the input, no one is waiting for it */
do {
c = kmi_read_char_locked(&sc->sc_kbd, 0);
} while (c != NOKEY);
}
}
static int
pl050_kmi_probe(device_t dev)
{
if (!ofw_bus_status_okay(dev))
return (ENXIO);
/*
* PL050 is plain PS2 port that pushes bytes to/from computer
* VersatilePB has two such ports and QEMU simulates keyboard
* connected to port #0 and mouse connected to port #1. This
* information can't be obtained from device tree so we just
* hardcode this knowledge here. We attach keyboard driver to
* port #0 and ignore port #1
*/
if (kmi_attached)
return (ENXIO);
if (ofw_bus_is_compatible(dev, "arm,pl050")) {
device_set_desc(dev, "PL050 Keyboard/Mouse Interface");
return (BUS_PROBE_DEFAULT);
}
return (ENXIO);
}
static int
pl050_kmi_attach(device_t dev)
{
struct kmi_softc *sc = device_get_softc(dev);
keyboard_t *kbd;
int rid;
int i;
uint32_t ack;
sc->sc_dev = dev;
kbd = &sc->sc_kbd;
rid = 0;
sc->sc_mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
if (sc->sc_mem_res == NULL) {
device_printf(dev, "could not allocate memory resource\n");
return (ENXIO);
}
/* Request the IRQ resources */
sc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
if (sc->sc_irq_res == NULL) {
device_printf(dev, "Error: could not allocate irq resources\n");
return (ENXIO);
}
/* Setup and enable the timer */
if (bus_setup_intr(dev, sc->sc_irq_res, INTR_TYPE_CLK,
NULL, pl050_kmi_intr, sc,
&sc->sc_intr_hl) != 0) {
bus_release_resource(dev, SYS_RES_IRQ, rid,
sc->sc_irq_res);
device_printf(dev, "Unable to setup the clock irq handler.\n");
return (ENXIO);
}
/* TODO: clock & divisor */
pl050_kmi_write_4(sc, KMICR, KMICR_EN);
pl050_kmi_write_4(sc, KMIDATA, SET_SCANCODE_SET);
/* read out ACK */
ack = pl050_kmi_read_4(sc, KMIDATA);
/* Set Scan Code set 1 (XT) */
pl050_kmi_write_4(sc, KMIDATA, 1);
/* read out ACK */
ack = pl050_kmi_read_4(sc, KMIDATA);
pl050_kmi_write_4(sc, KMICR, KMICR_EN | KMICR_RXINTREN);
kbd_init_struct(kbd, KMI_DRIVER_NAME, KB_OTHER,
device_get_unit(dev), 0, 0, 0);
kbd->kb_data = (void *)sc;
sc->sc_keymap = key_map;
sc->sc_accmap = accent_map;
for (i = 0; i < KMI_NFKEY; i++) {
sc->sc_fkeymap[i] = fkey_tab[i];
}
kbd_set_maps(kbd, &sc->sc_keymap, &sc->sc_accmap,
sc->sc_fkeymap, KMI_NFKEY);
KBD_FOUND_DEVICE(kbd);
kmi_clear_state(kbd);
KBD_PROBE_DONE(kbd);
KBD_INIT_DONE(kbd);
if (kbd_register(kbd) < 0) {
goto detach;
}
KBD_CONFIG_DONE(kbd);
#ifdef KBD_INSTALL_CDEV
if (kbd_attach(kbd)) {
goto detach;
}
#endif
if (bootverbose) {
kbdd_diag(kbd, bootverbose);
}
kmi_attached = 1;
return (0);
detach:
return (ENXIO);
}
static device_method_t pl050_kmi_methods[] = {
DEVMETHOD(device_probe, pl050_kmi_probe),
DEVMETHOD(device_attach, pl050_kmi_attach),
{ 0, 0 }
};
static driver_t pl050_kmi_driver = {
"kmi",
pl050_kmi_methods,
sizeof(struct kmi_softc),
};
static devclass_t pl050_kmi_devclass;
DRIVER_MODULE(pl050_kmi, simplebus, pl050_kmi_driver, pl050_kmi_devclass, 0, 0);

921
sys/arm/versatile/versatile_clcd.c
View File

@ -1,921 +0,0 @@
/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2012-2017 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, 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/malloc.h>
#include <sys/rman.h>
#include <sys/fbio.h>
#include <sys/consio.h>
#include <sys/kdb.h>
#include <machine/bus.h>
#include <machine/cpu.h>
#include <machine/intr.h>
#include <dev/ofw/openfirm.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
#include <dev/fb/fbreg.h>
#include <dev/syscons/syscons.h>
#include <arm/versatile/versatile_scm.h>
#include <machine/bus.h>
#define PL110_VENDOR_ARM926PXP 1
#define CLCD_MODE_RGB888 0x0
#define CLCD_MODE_RGB555 0x01
#define CLCD_MODE_RBG565 0x02
#define CLCD_MODE_RGB565 0x03
#define CLCDC_TIMING0 0x00
#define CLCDC_TIMING1 0x04
#define CLCDC_TIMING2 0x08
#define CLCDC_TIMING3 0x0C
#define CLCDC_TIMING3 0x0C
#define CLCDC_UPBASE 0x10
#define CLCDC_LPBASE 0x14
#ifdef PL110_VENDOR_ARM926PXP
#define CLCDC_CONTROL 0x18
#define CLCDC_IMSC 0x1C
#else
#define CLCDC_IMSC 0x18
#define CLCDC_CONTROL 0x1C
#endif
#define CONTROL_WATERMARK (1 << 16)
#define CONTROL_VCOMP_VS (0 << 12)
#define CONTROL_VCOMP_BP (1 << 12)
#define CONTROL_VCOMP_SAV (2 << 12)
#define CONTROL_VCOMP_FP (3 << 12)
#define CONTROL_PWR (1 << 11)
#define CONTROL_BEPO (1 << 10)
#define CONTROL_BEBO (1 << 9)
#define CONTROL_BGR (1 << 8)
#define CONTROL_DUAL (1 << 7)
#define CONTROL_MONO8 (1 << 6)
#define CONTROL_TFT (1 << 5)
#define CONTROL_BW (1 << 4)
#define CONTROL_BPP1 (0x00 << 1)
#define CONTROL_BPP2 (0x01 << 1)
#define CONTROL_BPP4 (0x02 << 1)
#define CONTROL_BPP8 (0x03 << 1)
#define CONTROL_BPP16 (0x04 << 1)
#define CONTROL_BPP24 (0x05 << 1)
#define CONTROL_EN (1 << 0)
#define CLCDC_RIS 0x20
#define CLCDC_MIS 0x24
#define INTR_MBERR (1 << 4)
#define INTR_VCOMP (1 << 3)
#define INTR_LNB (1 << 2)
#define INTR_FUF (1 << 1)
#define CLCDC_ICR 0x28
#ifdef DEBUG
#define dprintf(fmt, args...) do { printf("%s(): ", __func__); \
printf(fmt,##args); } while (0)
#else
#define dprintf(fmt, args...)
#endif
#define versatile_clcdc_read_4(sc, reg) \
bus_read_4((sc)->mem_res, (reg))
#define versatile_clcdc_write_4(sc, reg, val) \
bus_write_4((sc)->mem_res, (reg), (val))
struct versatile_clcdc_softc {
struct resource* mem_res;
struct mtx mtx;
int width;
int height;
int mode;
bus_dma_tag_t dma_tag;
bus_dmamap_t dma_map;
bus_addr_t fb_phys;
uint8_t *fb_base;
};
struct video_adapter_softc {
/* Videoadpater part */
video_adapter_t va;
int console;
intptr_t fb_addr;
unsigned int fb_size;
unsigned int height;
unsigned int width;
unsigned int depth;
unsigned int stride;
unsigned int xmargin;
unsigned int ymargin;
unsigned char *font;
int initialized;
};
struct argb {
uint8_t a;
uint8_t r;
uint8_t g;
uint8_t b;
};
static struct argb versatilefb_palette[16] = {
{0x00, 0x00, 0x00, 0x00},
{0x00, 0x00, 0x00, 0xaa},
{0x00, 0x00, 0xaa, 0x00},
{0x00, 0x00, 0xaa, 0xaa},
{0x00, 0xaa, 0x00, 0x00},
{0x00, 0xaa, 0x00, 0xaa},
{0x00, 0xaa, 0x55, 0x00},
{0x00, 0xaa, 0xaa, 0xaa},
{0x00, 0x55, 0x55, 0x55},
{0x00, 0x55, 0x55, 0xff},
{0x00, 0x55, 0xff, 0x55},
{0x00, 0x55, 0xff, 0xff},
{0x00, 0xff, 0x55, 0x55},
{0x00, 0xff, 0x55, 0xff},
{0x00, 0xff, 0xff, 0x55},
{0x00, 0xff, 0xff, 0xff}
};
/* mouse pointer from dev/syscons/scgfbrndr.c */
static u_char mouse_pointer[16] = {
0x00, 0x40, 0x60, 0x70, 0x78, 0x7c, 0x7e, 0x68,
0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00
};
#define FB_WIDTH 640
#define FB_HEIGHT 480
#define FB_DEPTH 16
#define VERSATILE_FONT_HEIGHT 16
static struct video_adapter_softc va_softc;
static int versatilefb_configure(int);
static void versatilefb_update_margins(video_adapter_t *adp);
static void
versatile_fb_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int err)
{
bus_addr_t *addr;
if (err)
return;
addr = (bus_addr_t*)arg;
*addr = segs[0].ds_addr;
}
static int
versatile_clcdc_probe(device_t dev)
{
if (!ofw_bus_status_okay(dev))
return (ENXIO);
if (ofw_bus_is_compatible(dev, "arm,pl110")) {
device_set_desc(dev, "PL110 CLCD controller");
return (BUS_PROBE_DEFAULT);
}
return (ENXIO);
}
static int
versatile_clcdc_attach(device_t dev)
{
struct versatile_clcdc_softc *sc = device_get_softc(dev);
struct video_adapter_softc *va_sc = &va_softc;
int err, rid;
uint32_t reg;
int clcdid;
int dma_size;
/* Request memory resources */
rid = 0;
sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
if (sc->mem_res == NULL) {
device_printf(dev, "could not allocate memory resources\n");
return (ENXIO);
}
err = versatile_scm_reg_read_4(SCM_CLCD, &reg);
if (err) {
device_printf(dev, "failed to read SCM register\n");
goto fail;
}
clcdid = (reg >> SCM_CLCD_CLCDID_SHIFT) & SCM_CLCD_CLCDID_MASK;
switch (clcdid) {
case 31:
device_printf(dev, "QEMU VGA 640x480\n");
sc->width = 640;
sc->height = 480;
break;
default:
device_printf(dev, "Unsupported: %d\n", clcdid);
goto fail;
}
reg &= ~SCM_CLCD_LCD_MODE_MASK;
reg |= CLCD_MODE_RGB565;
sc->mode = CLCD_MODE_RGB565;
versatile_scm_reg_write_4(SCM_CLCD, reg);
dma_size = sc->width*sc->height*2;
/*
* Power on LCD
*/
reg |= SCM_CLCD_PWR3V5VSWITCH | SCM_CLCD_NLCDIOON;
versatile_scm_reg_write_4(SCM_CLCD, reg);
/*
* XXX: hardcoded timing for VGA. For other modes/panels
* we need to keep table of timing register values
*/
/*
* XXX: set SYS_OSC1
*/
versatile_clcdc_write_4(sc, CLCDC_TIMING0, 0x3F1F3F9C);
versatile_clcdc_write_4(sc, CLCDC_TIMING1, 0x090B61DF);
versatile_clcdc_write_4(sc, CLCDC_TIMING2, 0x067F1800);
/* XXX: timing 3? */
/*
* Now allocate framebuffer memory
*/
err = bus_dma_tag_create(
bus_get_dma_tag(dev),
4, 0, /* alignment, boundary */
BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
BUS_SPACE_MAXADDR, /* highaddr */
NULL, NULL, /* filter, filterarg */
dma_size, 1, /* maxsize, nsegments */
dma_size, 0, /* maxsegsize, flags */
NULL, NULL, /* lockfunc, lockarg */
&sc->dma_tag);
err = bus_dmamem_alloc(sc->dma_tag, (void **)&sc->fb_base,
0, &sc->dma_map);
if (err) {
device_printf(dev, "cannot allocate framebuffer\n");
goto fail;
}
err = bus_dmamap_load(sc->dma_tag, sc->dma_map, sc->fb_base,
dma_size, versatile_fb_dmamap_cb, &sc->fb_phys, BUS_DMA_NOWAIT);
if (err) {
device_printf(dev, "cannot load DMA map\n");
goto fail;
}
/* Make sure it's blank */
memset(sc->fb_base, 0x00, dma_size);
versatile_clcdc_write_4(sc, CLCDC_UPBASE, sc->fb_phys);
err = (sc_attach_unit(device_get_unit(dev),
device_get_flags(dev) | SC_AUTODETECT_KBD));
if (err) {
device_printf(dev, "failed to attach syscons\n");
goto fail;
}
/*
* XXX: hardcoded for VGA
*/
reg = CONTROL_VCOMP_BP | CONTROL_TFT | CONTROL_BGR | CONTROL_EN;
reg |= CONTROL_BPP16;
versatile_clcdc_write_4(sc, CLCDC_CONTROL, reg);
DELAY(20);
reg |= CONTROL_PWR;
versatile_clcdc_write_4(sc, CLCDC_CONTROL, reg);
va_sc->fb_addr = (vm_offset_t)sc->fb_base;
va_sc->fb_size = dma_size;
va_sc->width = sc->width;
va_sc->height = sc->height;
va_sc->depth = 16;
va_sc->stride = sc->width * 2;
versatilefb_update_margins(&va_sc->va);
return (0);
fail:
if (sc->fb_base)
bus_dmamem_free(sc->dma_tag, sc->fb_base, sc->dma_map);
if (sc->dma_tag)
bus_dma_tag_destroy(sc->dma_tag);
return (err);
}
static device_method_t versatile_clcdc_methods[] = {
DEVMETHOD(device_probe, versatile_clcdc_probe),
DEVMETHOD(device_attach, versatile_clcdc_attach),
DEVMETHOD_END
};
static driver_t versatile_clcdc_driver = {
"clcdc",
versatile_clcdc_methods,
sizeof(struct versatile_clcdc_softc),
};
static devclass_t versatile_clcdc_devclass;
DRIVER_MODULE(versatile_clcdc, simplebus, versatile_clcdc_driver, versatile_clcdc_devclass, 0, 0);
/*
* Video driver routines and glue.
*/
static vi_probe_t versatilefb_probe;
static vi_init_t versatilefb_init;
static vi_get_info_t versatilefb_get_info;
static vi_query_mode_t versatilefb_query_mode;
static vi_set_mode_t versatilefb_set_mode;
static vi_save_font_t versatilefb_save_font;
static vi_load_font_t versatilefb_load_font;
static vi_show_font_t versatilefb_show_font;
static vi_save_palette_t versatilefb_save_palette;
static vi_load_palette_t versatilefb_load_palette;
static vi_set_border_t versatilefb_set_border;
static vi_save_state_t versatilefb_save_state;
static vi_load_state_t versatilefb_load_state;
static vi_set_win_org_t versatilefb_set_win_org;
static vi_read_hw_cursor_t versatilefb_read_hw_cursor;
static vi_set_hw_cursor_t versatilefb_set_hw_cursor;
static vi_set_hw_cursor_shape_t versatilefb_set_hw_cursor_shape;
static vi_blank_display_t versatilefb_blank_display;
static vi_mmap_t versatilefb_mmap;
static vi_ioctl_t versatilefb_ioctl;
static vi_clear_t versatilefb_clear;
static vi_fill_rect_t versatilefb_fill_rect;
static vi_bitblt_t versatilefb_bitblt;
static vi_diag_t versatilefb_diag;
static vi_save_cursor_palette_t versatilefb_save_cursor_palette;
static vi_load_cursor_palette_t versatilefb_load_cursor_palette;
static vi_copy_t versatilefb_copy;
static vi_putp_t versatilefb_putp;
static vi_putc_t versatilefb_putc;
static vi_puts_t versatilefb_puts;
static vi_putm_t versatilefb_putm;
static video_switch_t versatilefbvidsw = {
.probe = versatilefb_probe,
.init = versatilefb_init,
.get_info = versatilefb_get_info,
.query_mode = versatilefb_query_mode,
.set_mode = versatilefb_set_mode,
.save_font = versatilefb_save_font,
.load_font = versatilefb_load_font,
.show_font = versatilefb_show_font,
.save_palette = versatilefb_save_palette,
.load_palette = versatilefb_load_palette,
.set_border = versatilefb_set_border,
.save_state = versatilefb_save_state,
.load_state = versatilefb_load_state,
.set_win_org = versatilefb_set_win_org,
.read_hw_cursor = versatilefb_read_hw_cursor,
.set_hw_cursor = versatilefb_set_hw_cursor,
.set_hw_cursor_shape = versatilefb_set_hw_cursor_shape,
.blank_display = versatilefb_blank_display,
.mmap = versatilefb_mmap,
.ioctl = versatilefb_ioctl,
.clear = versatilefb_clear,
.fill_rect = versatilefb_fill_rect,
.bitblt = versatilefb_bitblt,
.diag = versatilefb_diag,
.save_cursor_palette = versatilefb_save_cursor_palette,
.load_cursor_palette = versatilefb_load_cursor_palette,
.copy = versatilefb_copy,
.putp = versatilefb_putp,
.putc = versatilefb_putc,
.puts = versatilefb_puts,
.putm = versatilefb_putm,
};
VIDEO_DRIVER(versatilefb, versatilefbvidsw, versatilefb_configure);
static vr_init_t clcdr_init;
static vr_clear_t clcdr_clear;
static vr_draw_border_t clcdr_draw_border;
static vr_draw_t clcdr_draw;
static vr_set_cursor_t clcdr_set_cursor;
static vr_draw_cursor_t clcdr_draw_cursor;
static vr_blink_cursor_t clcdr_blink_cursor;
static vr_set_mouse_t clcdr_set_mouse;
static vr_draw_mouse_t clcdr_draw_mouse;
/*
* We use our own renderer; this is because we must emulate a hardware
* cursor.
*/
static sc_rndr_sw_t clcdrend = {
clcdr_init,
clcdr_clear,
clcdr_draw_border,
clcdr_draw,
clcdr_set_cursor,
clcdr_draw_cursor,
clcdr_blink_cursor,
clcdr_set_mouse,
clcdr_draw_mouse
};
RENDERER(versatilefb, 0, clcdrend, gfb_set);
RENDERER_MODULE(versatilefb, gfb_set);
static void
clcdr_init(scr_stat* scp)
{
}
static void
clcdr_clear(scr_stat* scp, int c, int attr)
{
}
static void
clcdr_draw_border(scr_stat* scp, int color)
{
}
static void
clcdr_draw(scr_stat* scp, int from, int count, int flip)
{
video_adapter_t* adp = scp->sc->adp;
int i, c, a;
if (!flip) {
/* Normal printing */
vidd_puts(adp, from, (uint16_t*)sc_vtb_pointer(&scp->vtb, from), count);
} else {
/* This is for selections and such: invert the color attribute */
for (i = count; i-- > 0; ++from) {
c = sc_vtb_getc(&scp->vtb, from);
a = sc_vtb_geta(&scp->vtb, from) >> 8;
vidd_putc(adp, from, c, (a >> 4) | ((a & 0xf) << 4));
}
}
}
static void
clcdr_set_cursor(scr_stat* scp, int base, int height, int blink)
{
}
static void
clcdr_draw_cursor(scr_stat* scp, int off, int blink, int on, int flip)
{
video_adapter_t* adp = scp->sc->adp;
struct video_adapter_softc *sc;
int row, col;
uint8_t *addr;
int i,j;
sc = (struct video_adapter_softc *)adp;
if (scp->curs_attr.height <= 0)
return;
if (sc->fb_addr == 0)
return;
if (off >= adp->va_info.vi_width * adp->va_info.vi_height)
return;
/* calculate the coordinates in the video buffer */
row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
addr = (uint8_t *)sc->fb_addr
+ (row + sc->ymargin)*(sc->stride)
+ (sc->depth/8) * (col + sc->xmargin);
/* our cursor consists of simply inverting the char under it */
for (i = 0; i < adp->va_info.vi_cheight; i++) {
for (j = 0; j < adp->va_info.vi_cwidth; j++) {
addr[2*j] ^= 0xff;
addr[2*j + 1] ^= 0xff;
}
addr += sc->stride;
}
}
static void
clcdr_blink_cursor(scr_stat* scp, int at, int flip)
{
}
static void
clcdr_set_mouse(scr_stat* scp)
{
}
static void
clcdr_draw_mouse(scr_stat* scp, int x, int y, int on)
{
vidd_putm(scp->sc->adp, x, y, mouse_pointer, 0xffffffff, 16, 8);
}
static uint16_t versatilefb_static_window[ROW*COL];
extern u_char dflt_font_16[];
/*
* Update videoadapter settings after changing resolution
*/
static void
versatilefb_update_margins(video_adapter_t *adp)
{
struct video_adapter_softc *sc;
video_info_t *vi;
sc = (struct video_adapter_softc *)adp;
vi = &adp->va_info;
sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
}
static int
versatilefb_configure(int flags)
{
struct video_adapter_softc *va_sc;
va_sc = &va_softc;
if (va_sc->initialized)
return (0);
va_sc->width = FB_WIDTH;
va_sc->height = FB_HEIGHT;
va_sc->depth = FB_DEPTH;
versatilefb_init(0, &va_sc->va, 0);
va_sc->initialized = 1;
return (0);
}
static int
versatilefb_probe(int unit, video_adapter_t **adp, void *arg, int flags)
{
return (0);
}
static int
versatilefb_init(int unit, video_adapter_t *adp, int flags)
{
struct video_adapter_softc *sc;
video_info_t *vi;
sc = (struct video_adapter_softc *)adp;
vi = &adp->va_info;
vid_init_struct(adp, "versatilefb", -1, unit);
sc->font = dflt_font_16;
vi->vi_cheight = VERSATILE_FONT_HEIGHT;
vi->vi_cwidth = 8;
vi->vi_width = sc->width/8;
vi->vi_height = sc->height/vi->vi_cheight;
/*
* Clamp width/height to syscons maximums
*/
if (vi->vi_width > COL)
vi->vi_width = COL;
if (vi->vi_height > ROW)
vi->vi_height = ROW;
sc->xmargin = (sc->width - (vi->vi_width * vi->vi_cwidth)) / 2;
sc->ymargin = (sc->height - (vi->vi_height * vi->vi_cheight))/2;
adp->va_window = (vm_offset_t) versatilefb_static_window;
adp->va_flags |= V_ADP_FONT /* | V_ADP_COLOR | V_ADP_MODECHANGE */;
vid_register(&sc->va);
return (0);
}
static int
versatilefb_get_info(video_adapter_t *adp, int mode, video_info_t *info)
{
bcopy(&adp->va_info, info, sizeof(*info));
return (0);
}
static int
versatilefb_query_mode(video_adapter_t *adp, video_info_t *info)
{
return (0);
}
static int
versatilefb_set_mode(video_adapter_t *adp, int mode)
{
return (0);
}
static int
versatilefb_save_font(video_adapter_t *adp, int page, int size, int width,
u_char *data, int c, int count)
{
return (0);
}
static int
versatilefb_load_font(video_adapter_t *adp, int page, int size, int width,
u_char *data, int c, int count)
{
struct video_adapter_softc *sc = (struct video_adapter_softc *)adp;
sc->font = data;
return (0);
}
static int
versatilefb_show_font(video_adapter_t *adp, int page)
{
return (0);
}
static int
versatilefb_save_palette(video_adapter_t *adp, u_char *palette)
{
return (0);
}
static int
versatilefb_load_palette(video_adapter_t *adp, u_char *palette)
{
return (0);
}
static int
versatilefb_set_border(video_adapter_t *adp, int border)
{
return (versatilefb_blank_display(adp, border));
}
static int
versatilefb_save_state(video_adapter_t *adp, void *p, size_t size)
{
return (0);
}
static int
versatilefb_load_state(video_adapter_t *adp, void *p)
{
return (0);
}
static int
versatilefb_set_win_org(video_adapter_t *adp, off_t offset)
{
return (0);
}
static int
versatilefb_read_hw_cursor(video_adapter_t *adp, int *col, int *row)
{
*col = *row = 0;
return (0);
}
static int
versatilefb_set_hw_cursor(video_adapter_t *adp, int col, int row)
{
return (0);
}
static int
versatilefb_set_hw_cursor_shape(video_adapter_t *adp, int base, int height,
int celsize, int blink)
{
return (0);
}
static int
versatilefb_blank_display(video_adapter_t *adp, int mode)
{
struct video_adapter_softc *sc;
sc = (struct video_adapter_softc *)adp;
if (sc && sc->fb_addr)
memset((void*)sc->fb_addr, 0, sc->fb_size);
return (0);
}
static int
versatilefb_mmap(video_adapter_t *adp, vm_ooffset_t offset, vm_paddr_t *paddr,
int prot, vm_memattr_t *memattr)
{
struct video_adapter_softc *sc;
sc = (struct video_adapter_softc *)adp;
/*
* This might be a legacy VGA mem request: if so, just point it at the
* framebuffer, since it shouldn't be touched
*/
if (offset < sc->stride*sc->height) {
*paddr = sc->fb_addr + offset;
return (0);
}
return (EINVAL);
}
static int
versatilefb_ioctl(video_adapter_t *adp, u_long cmd, caddr_t data)
{
return (0);
}
static int
versatilefb_clear(video_adapter_t *adp)
{
return (versatilefb_blank_display(adp, 0));
}
static int
versatilefb_fill_rect(video_adapter_t *adp, int val, int x, int y, int cx, int cy)
{
return (0);
}
static int
versatilefb_bitblt(video_adapter_t *adp, ...)
{
return (0);
}
static int
versatilefb_diag(video_adapter_t *adp, int level)
{
return (0);
}
static int
versatilefb_save_cursor_palette(video_adapter_t *adp, u_char *palette)
{
return (0);
}
static int
versatilefb_load_cursor_palette(video_adapter_t *adp, u_char *palette)
{
return (0);
}
static int
versatilefb_copy(video_adapter_t *adp, vm_offset_t src, vm_offset_t dst, int n)
{
return (0);
}
static int
versatilefb_putp(video_adapter_t *adp, vm_offset_t off, uint32_t p, uint32_t a,
int size, int bpp, int bit_ltor, int byte_ltor)
{
return (0);
}
static int
versatilefb_putc(video_adapter_t *adp, vm_offset_t off, uint8_t c, uint8_t a)
{
struct video_adapter_softc *sc;
int row;
int col;
int i, j, k;
uint8_t *addr;
u_char *p;
uint8_t fg, bg, color;
uint16_t rgb;
sc = (struct video_adapter_softc *)adp;
if (sc->fb_addr == 0)
return (0);
if (off >= adp->va_info.vi_width * adp->va_info.vi_height)
return (0);
row = (off / adp->va_info.vi_width) * adp->va_info.vi_cheight;
col = (off % adp->va_info.vi_width) * adp->va_info.vi_cwidth;
p = sc->font + c*VERSATILE_FONT_HEIGHT;
addr = (uint8_t *)sc->fb_addr
+ (row + sc->ymargin)*(sc->stride)
+ (sc->depth/8) * (col + sc->xmargin);
fg = a & 0xf ;
bg = (a >> 4) & 0xf;
for (i = 0; i < VERSATILE_FONT_HEIGHT; i++) {
for (j = 0, k = 7; j < 8; j++, k--) {
if ((p[i] & (1 << k)) == 0)
color = bg;
else
color = fg;
switch (sc->depth) {
case 16:
rgb = (versatilefb_palette[color].r >> 3) << 11;
rgb |= (versatilefb_palette[color].g >> 2) << 5;
rgb |= (versatilefb_palette[color].b >> 3);
addr[2*j] = rgb & 0xff;
addr[2*j + 1] = (rgb >> 8) & 0xff;
default:
/* Not supported yet */
break;
}
}
addr += (sc->stride);
}
return (0);
}
static int
versatilefb_puts(video_adapter_t *adp, vm_offset_t off, u_int16_t *s, int len)
{
int i;
for (i = 0; i < len; i++)
versatilefb_putc(adp, off + i, s[i] & 0xff, (s[i] & 0xff00) >> 8);
return (0);
}
static int
versatilefb_putm(video_adapter_t *adp, int x, int y, uint8_t *pixel_image,
uint32_t pixel_mask, int size, int width)
{
return (0);
}

104
sys/arm/versatile/versatile_machdep.c
View File

@ -1,104 +0,0 @@
/*-
* SPDX-License-Identifier: BSD-4-Clause
*
* Copyright (c) 2012 Oleksandr Tymoshenko.
* All rights reserved.
*
* This code is derived from software written for Brini by Mark Brinicombe
*
* 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 Brini.
* 4. The name of the company nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY BRINI ``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 BRINI 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 "opt_ddb.h"
#include "opt_platform.h"
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/devmap.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <machine/bus.h>
#include <machine/machdep.h>
#include <machine/platform.h>
#include <machine/platformvar.h>
#include "platform_if.h"
/* Start of address space used for bootstrap map */
#define DEVMAP_BOOTSTRAP_MAP_START 0xE0000000
static vm_offset_t
versatile_lastaddr(platform_t plat)
{
return (DEVMAP_BOOTSTRAP_MAP_START);
}
#define FDT_DEVMAP_MAX (2) /* FIXME */
static struct devmap_entry fdt_devmap[FDT_DEVMAP_MAX] = {
{ 0, 0, 0, },
{ 0, 0, 0, }
};
/*
* Construct devmap table with DT-derived config data.
*/
static int
versatile_devmap_init(platform_t plat)
{
int i = 0;
fdt_devmap[i].pd_va = 0xf0100000;
fdt_devmap[i].pd_pa = 0x10100000;
fdt_devmap[i].pd_size = 0x01000000; /* 1 MB */
devmap_register_table(&fdt_devmap[0]);
return (0);
}
static void
versatile_cpu_reset(platform_t plat)
{
printf("cpu_reset\n");
while (1);
}
static platform_method_t versatile_methods[] = {
PLATFORMMETHOD(platform_lastaddr, versatile_lastaddr),
PLATFORMMETHOD(platform_devmap_init, versatile_devmap_init),
PLATFORMMETHOD(platform_cpu_reset, versatile_cpu_reset),
PLATFORMMETHOD_END,
};
FDT_PLATFORM_DEF(versatile, "versatile", 0, "arm,versatile-pb", 1);

548
sys/arm/versatile/versatile_pci.c
View File

@ -1,548 +0,0 @@
/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2012-2017 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, 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/module.h>
#include <sys/mutex.h>
#include <sys/rman.h>
#include <sys/watchdog.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <machine/bus.h>
#include <machine/cpu.h>
#include <machine/intr.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcib_private.h>
#include "pcib_if.h"
#include <dev/ofw/openfirm.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
#include <dev/ofw/ofw_pci.h>
#include <arm/versatile/versatile_scm.h>
#include <machine/bus.h>
#include <machine/fdt.h>
#define MEM_CORE 0
#define MEM_BASE 1
#define MEM_CONF_BASE 2
#define MEM_REGIONS 3
#define PCI_CORE_IMAP0 0x00
#define PCI_CORE_IMAP1 0x04
#define PCI_CORE_IMAP2 0x08
#define PCI_CORE_SELFID 0x0C
#define PCI_CORE_SMAP0 0x10
#define PCI_CORE_SMAP1 0x14
#define PCI_CORE_SMAP2 0x18
#define VERSATILE_PCI_DEV 0x030010ee
#define VERSATILE_PCI_CLASS 0x0b400000
#define PCI_IO_WINDOW 0x44000000
#define PCI_IO_SIZE 0x0c000000
#define PCI_NPREFETCH_WINDOW 0x50000000
#define PCI_NPREFETCH_SIZE 0x10000000
#define PCI_PREFETCH_WINDOW 0x60000000
#define PCI_PREFETCH_SIZE 0x10000000
#define VERSATILE_PCI_IRQ_START 27
#define VERSATILE_PCI_IRQ_END 30
#ifdef DEBUG
#define dprintf(fmt, args...) do { printf("%s(): ", __func__); \
printf(fmt,##args); } while (0)
#else
#define dprintf(fmt, args...)
#endif
#define versatile_pci_core_read_4(reg) \
bus_read_4(sc->mem_res[MEM_CORE], (reg))
#define versatile_pci_core_write_4(reg, val) \
bus_write_4(sc->mem_res[MEM_CORE], (reg), (val))
#define versatile_pci_read_4(reg) \
bus_read_4(sc->mem_res[MEM_BASE], (reg))
#define versatile_pci_write_4(reg, val) \
bus_write_4(sc->mem_res[MEM_BASE], (reg), (val))
#define versatile_pci_conf_read_4(reg) \
bus_read_4(sc->mem_res[MEM_CONF_BASE], (reg))
#define versatile_pci_conf_write_4(reg, val) \
bus_write_4(sc->mem_res[MEM_CONF_BASE], (reg), (val))
#define versatile_pci_conf_write_2(reg, val) \
bus_write_2(sc->mem_res[MEM_CONF_BASE], (reg), (val))
#define versatile_pci_conf_write_1(reg, val) \
bus_write_1(sc->mem_res[MEM_CONF_BASE], (reg), (val))
struct versatile_pci_softc {
struct resource* mem_res[MEM_REGIONS];
struct resource* irq_res;
void* intr_hl;
int pcib_slot;
/* Bus part */
int busno;
struct rman io_rman;
struct rman irq_rman;
struct rman mem_rman;
struct mtx mtx;
struct ofw_bus_iinfo pci_iinfo;
};
static struct resource_spec versatile_pci_mem_spec[] = {
{ SYS_RES_MEMORY, 0, RF_ACTIVE },
{ SYS_RES_MEMORY, 1, RF_ACTIVE },
{ SYS_RES_MEMORY, 2, RF_ACTIVE },
{ -1, 0, 0 }
};
static int
versatile_pci_probe(device_t dev)
{
if (!ofw_bus_status_okay(dev))
return (ENXIO);
if (ofw_bus_is_compatible(dev, "arm,versatile-pci")) {
device_set_desc(dev, "Versatile PCI controller");
return (BUS_PROBE_DEFAULT);
}
return (ENXIO);
}
static int
versatile_pci_attach(device_t dev)
{
struct versatile_pci_softc *sc = device_get_softc(dev);
int err;
int slot;
uint32_t vendordev_id, class_id;
uint32_t val;
phandle_t node;
node = ofw_bus_get_node(dev);
/* Request memory resources */
err = bus_alloc_resources(dev, versatile_pci_mem_spec,
sc->mem_res);
if (err) {
device_printf(dev, "Error: could not allocate memory resources\n");
return (ENXIO);
}
/*
* Setup memory windows
*/
versatile_pci_core_write_4(PCI_CORE_IMAP0, (PCI_IO_WINDOW >> 28));
versatile_pci_core_write_4(PCI_CORE_IMAP1, (PCI_NPREFETCH_WINDOW >> 28));
versatile_pci_core_write_4(PCI_CORE_IMAP2, (PCI_PREFETCH_WINDOW >> 28));
/*
* XXX: this is SDRAM offset >> 28
* Unused as of QEMU 1.5
*/
versatile_pci_core_write_4(PCI_CORE_SMAP0, (PCI_IO_WINDOW >> 28));
versatile_pci_core_write_4(PCI_CORE_SMAP1, (PCI_NPREFETCH_WINDOW >> 28));
versatile_pci_core_write_4(PCI_CORE_SMAP2, (PCI_NPREFETCH_WINDOW >> 28));
versatile_scm_reg_write_4(SCM_PCICTL, 1);
for (slot = 0; slot <= PCI_SLOTMAX; slot++) {
vendordev_id = versatile_pci_read_4((slot << 11) + PCIR_DEVVENDOR);
class_id = versatile_pci_read_4((slot << 11) + PCIR_REVID);
if ((vendordev_id == VERSATILE_PCI_DEV) &&
(class_id == VERSATILE_PCI_CLASS))
break;
}
if (slot == (PCI_SLOTMAX + 1)) {
bus_release_resources(dev, versatile_pci_mem_spec,
sc->mem_res);
device_printf(dev, "Versatile PCI core not found\n");
return (ENXIO);
}
sc->pcib_slot = slot;
device_printf(dev, "PCI core at slot #%d\n", slot);
versatile_pci_core_write_4(PCI_CORE_SELFID, slot);
val = versatile_pci_conf_read_4((slot << 11) + PCIR_COMMAND);
val |= (PCIM_CMD_BUSMASTEREN | PCIM_CMD_MEMEN | PCIM_CMD_MWRICEN);
versatile_pci_conf_write_4((slot << 11) + PCIR_COMMAND, val);
/* Again SDRAM start >> 28 */
versatile_pci_write_4((slot << 11) + PCIR_BAR(0), 0);
versatile_pci_write_4((slot << 11) + PCIR_BAR(1), 0);
versatile_pci_write_4((slot << 11) + PCIR_BAR(2), 0);
/* Prepare resource managers */
sc->mem_rman.rm_type = RMAN_ARRAY;
sc->mem_rman.rm_descr = "versatile PCI memory window";
if (rman_init(&sc->mem_rman) != 0 ||
rman_manage_region(&sc->mem_rman, PCI_NPREFETCH_WINDOW,
PCI_NPREFETCH_WINDOW + PCI_NPREFETCH_SIZE - 1) != 0) {
panic("versatile_pci_attach: failed to set up memory rman");
}
bootverbose = 1;
sc->io_rman.rm_type = RMAN_ARRAY;
sc->io_rman.rm_descr = "versatile PCI IO window";
if (rman_init(&sc->io_rman) != 0 ||
rman_manage_region(&sc->io_rman, PCI_IO_WINDOW,
PCI_IO_WINDOW + PCI_IO_SIZE - 1) != 0) {
panic("versatile_pci_attach: failed to set up I/O rman");
}
sc->irq_rman.rm_type = RMAN_ARRAY;
sc->irq_rman.rm_descr = "versatile PCI IRQs";
if (rman_init(&sc->irq_rman) != 0 ||
rman_manage_region(&sc->irq_rman, VERSATILE_PCI_IRQ_START,
VERSATILE_PCI_IRQ_END) != 0) {
panic("versatile_pci_attach: failed to set up IRQ rman");
}
mtx_init(&sc->mtx, device_get_nameunit(dev), "versatilepci",
MTX_SPIN);
val = versatile_pci_conf_read_4((12 << 11) + PCIR_COMMAND);
for (slot = 0; slot <= PCI_SLOTMAX; slot++) {
vendordev_id = versatile_pci_read_4((slot << 11) + PCIR_DEVVENDOR);
class_id = versatile_pci_read_4((slot << 11) + PCIR_REVID);
if (slot == sc->pcib_slot)
continue;
if ((vendordev_id == 0xffffffff) &&
(class_id == 0xffffffff))
continue;
val = versatile_pci_conf_read_4((slot << 11) + PCIR_COMMAND);
val |= PCIM_CMD_MEMEN | PCIM_CMD_PORTEN;
versatile_pci_conf_write_4((slot << 11) + PCIR_COMMAND, val);
}
ofw_bus_setup_iinfo(node, &sc->pci_iinfo, sizeof(cell_t));
device_add_child(dev, "pci", -1);
return (bus_generic_attach(dev));
}
static int
versatile_pci_read_ivar(device_t dev, device_t child, int which,
uintptr_t *result)
{
struct versatile_pci_softc *sc = device_get_softc(dev);
switch (which) {
case PCIB_IVAR_DOMAIN:
*result = 0;
return (0);
case PCIB_IVAR_BUS:
*result = sc->busno;
return (0);
}
return (ENOENT);
}
static int
versatile_pci_write_ivar(device_t dev, device_t child, int which,
uintptr_t result)
{
struct versatile_pci_softc * sc = device_get_softc(dev);
switch (which) {
case PCIB_IVAR_BUS:
sc->busno = result;
return (0);
}
return (ENOENT);
}
static struct resource *
versatile_pci_alloc_resource(device_t bus, device_t child, int type, int *rid,
rman_res_t start, rman_res_t end, rman_res_t count, u_int flags)
{
struct versatile_pci_softc *sc = device_get_softc(bus);
struct resource *rv;
struct rman *rm;
dprintf("Alloc resources %d, %08lx..%08lx, %ld\n", type, start, end, count);
switch (type) {
case SYS_RES_IOPORT:
rm = &sc->io_rman;
break;
case SYS_RES_IRQ:
rm = NULL;
break;
case SYS_RES_MEMORY:
rm = &sc->mem_rman;
break;
default:
return (NULL);
}
if (rm == NULL)
return (BUS_ALLOC_RESOURCE(device_get_parent(bus),
child, type, rid, start, end, count, flags));
rv = rman_reserve_resource(rm, start, end, count, flags, child);
if (rv == NULL)
return (NULL);
rman_set_rid(rv, *rid);
if (flags & RF_ACTIVE) {
if (bus_activate_resource(child, type, *rid, rv)) {
rman_release_resource(rv);
return (NULL);
}
}
return (rv);
}
static int
versatile_pci_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *r)
{
vm_offset_t vaddr;
int res;
switch(type) {
case SYS_RES_MEMORY:
case SYS_RES_IOPORT:
vaddr = (vm_offset_t)pmap_mapdev(rman_get_start(r),
rman_get_size(r));
rman_set_bushandle(r, vaddr);
rman_set_bustag(r, fdtbus_bs_tag);
res = rman_activate_resource(r);
break;
case SYS_RES_IRQ:
res = (BUS_ACTIVATE_RESOURCE(device_get_parent(bus),
child, type, rid, r));
break;
default:
res = ENXIO;
break;
}
return (res);
}
static int
versatile_pci_setup_intr(device_t bus, device_t child, struct resource *ires,
int flags, driver_filter_t *filt, driver_intr_t *handler,
void *arg, void **cookiep)
{
return BUS_SETUP_INTR(device_get_parent(bus), bus, ires, flags,
filt, handler, arg, cookiep);
}
static int
versatile_pci_teardown_intr(device_t dev, device_t child, struct resource *ires,
void *cookie)
{
return BUS_TEARDOWN_INTR(device_get_parent(dev), dev, ires, cookie);
}
static int
versatile_pci_maxslots(device_t dev)
{
return (PCI_SLOTMAX);
}
static int
versatile_pci_route_interrupt(device_t bus, device_t dev, int pin)
{
struct versatile_pci_softc *sc;
struct ofw_pci_register reg;
uint32_t pintr, mintr[4];
phandle_t iparent;
int intrcells;
sc = device_get_softc(bus);
pintr = pin;
bzero(&reg, sizeof(reg));
reg.phys_hi = (pci_get_bus(dev) << OFW_PCI_PHYS_HI_BUSSHIFT) |
(pci_get_slot(dev) << OFW_PCI_PHYS_HI_DEVICESHIFT) |
(pci_get_function(dev) << OFW_PCI_PHYS_HI_FUNCTIONSHIFT);
intrcells = ofw_bus_lookup_imap(ofw_bus_get_node(dev),
&sc->pci_iinfo, &reg, sizeof(reg), &pintr, sizeof(pintr),
mintr, sizeof(mintr), &iparent);
if (intrcells) {
pintr = ofw_bus_map_intr(dev, iparent, intrcells, mintr);
return (pintr);
}
device_printf(bus, "could not route pin %d for device %d.%d\n",
pin, pci_get_slot(dev), pci_get_function(dev));
return (PCI_INVALID_IRQ);
}
static uint32_t
versatile_pci_read_config(device_t dev, u_int bus, u_int slot, u_int func,
u_int reg, int bytes)
{
struct versatile_pci_softc *sc = device_get_softc(dev);
uint32_t data;
uint32_t shift, mask;
uint32_t addr;
if (sc->pcib_slot == slot) {
switch (bytes) {
case 4:
return (0xffffffff);
break;
case 2:
return (0xffff);
break;
case 1:
return (0xff);
break;
}
}
addr = (bus << 16) | (slot << 11) | (func << 8) | (reg & ~3);
/* register access is 32-bit aligned */
shift = (reg & 3) * 8;
/* Create a mask based on the width, post-shift */
if (bytes == 2)
mask = 0xffff;
else if (bytes == 1)
mask = 0xff;
else
mask = 0xffffffff;
dprintf("%s: tag (%x, %x, %x) reg %d(%d)\n", __func__, bus, slot,
func, reg, bytes);
mtx_lock_spin(&sc->mtx);
data = versatile_pci_conf_read_4(addr);
mtx_unlock_spin(&sc->mtx);
/* get request bytes from 32-bit word */
data = (data >> shift) & mask;
dprintf("%s: read 0x%x\n", __func__, data);
return (data);
}
static void
versatile_pci_write_config(device_t dev, u_int bus, u_int slot, u_int func,
u_int reg, uint32_t data, int bytes)
{
struct versatile_pci_softc *sc = device_get_softc(dev);
uint32_t addr;
dprintf("%s: tag (%x, %x, %x) reg %d(%d)\n", __func__, bus, slot,
func, reg, bytes);
if (sc->pcib_slot == slot)
return;
addr = (bus << 16) | (slot << 11) | (func << 8) | reg;
mtx_lock_spin(&sc->mtx);
switch (bytes) {
case 4:
versatile_pci_conf_write_4(addr, data);
break;
case 2:
versatile_pci_conf_write_2(addr, data);
break;
case 1:
versatile_pci_conf_write_1(addr, data);
break;
}
mtx_unlock_spin(&sc->mtx);
}
static device_method_t versatile_pci_methods[] = {
DEVMETHOD(device_probe, versatile_pci_probe),
DEVMETHOD(device_attach, versatile_pci_attach),
/* Bus interface */
DEVMETHOD(bus_read_ivar, versatile_pci_read_ivar),
DEVMETHOD(bus_write_ivar, versatile_pci_write_ivar),
DEVMETHOD(bus_alloc_resource, versatile_pci_alloc_resource),
DEVMETHOD(bus_release_resource, bus_generic_release_resource),
DEVMETHOD(bus_activate_resource, versatile_pci_activate_resource),
DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
DEVMETHOD(bus_setup_intr, versatile_pci_setup_intr),
DEVMETHOD(bus_teardown_intr, versatile_pci_teardown_intr),
/* pcib interface */
DEVMETHOD(pcib_maxslots, versatile_pci_maxslots),
DEVMETHOD(pcib_read_config, versatile_pci_read_config),
DEVMETHOD(pcib_write_config, versatile_pci_write_config),
DEVMETHOD(pcib_route_interrupt, versatile_pci_route_interrupt),
DEVMETHOD(pcib_request_feature, pcib_request_feature_allow),
DEVMETHOD_END
};
static driver_t versatile_pci_driver = {
"pcib",
versatile_pci_methods,
sizeof(struct versatile_pci_softc),
};
static devclass_t versatile_pci_devclass;
DRIVER_MODULE(versatile_pci, simplebus, versatile_pci_driver, versatile_pci_devclass, 0, 0);

144
sys/arm/versatile/versatile_scm.c
View File

@ -1,144 +0,0 @@
/*
* Copyright (c) 2017 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, 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 Ben Gray.
* 4. The name of the company nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY BEN GRAY ``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 BEN GRAY 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.
*/
/*
* SCM - System Control Module
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/bus.h>
#include <sys/resource.h>
#include <sys/rman.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <dev/ofw/openfirm.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
#include "versatile_scm.h"
struct versatile_scm_softc {
device_t sc_dev;
struct resource * sc_mem_res;
};
static struct versatile_scm_softc *versatile_scm_sc;
#define versatile_scm_read_4(sc, reg) \
bus_read_4((sc)->sc_mem_res, (reg))
#define versatile_scm_write_4(sc, reg, val) \
bus_write_4((sc)->sc_mem_res, (reg), (val))
static int
versatile_scm_probe(device_t dev)
{
if (!ofw_bus_status_okay(dev))
return (ENXIO);
if (!ofw_bus_is_compatible(dev, "syscon"))
return (ENXIO);
if (versatile_scm_sc) {
return (EEXIST);
}
device_set_desc(dev, "Versatile Control Module");
return (BUS_PROBE_DEFAULT);
}
static int
versatile_scm_attach(device_t dev)
{
struct versatile_scm_softc *sc;
int rid;
sc = device_get_softc(dev);
sc->sc_dev = dev;
rid = 0;
sc->sc_mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
if (sc->sc_mem_res == NULL) {
device_printf(dev, "could not allocate memory resources\n");
return (ENXIO);
}
versatile_scm_sc = sc;
return (0);
}
int
versatile_scm_reg_read_4(uint32_t reg, uint32_t *val)
{
if (!versatile_scm_sc)
return (ENXIO);
*val = versatile_scm_read_4(versatile_scm_sc, reg);
return (0);
}
int
versatile_scm_reg_write_4(uint32_t reg, uint32_t val)
{
if (!versatile_scm_sc)
return (ENXIO);
versatile_scm_write_4(versatile_scm_sc, reg, val);
return (0);
}
static device_method_t versatile_scm_methods[] = {
DEVMETHOD(device_probe, versatile_scm_probe),
DEVMETHOD(device_attach, versatile_scm_attach),
DEVMETHOD_END
};
static driver_t versatile_scm_driver = {
"scm",
versatile_scm_methods,
sizeof(struct versatile_scm_softc),
};
static devclass_t versatile_scm_devclass;
EARLY_DRIVER_MODULE(versatile_scm, simplebus, versatile_scm_driver, versatile_scm_devclass, 0, 0,
BUS_PASS_BUS + BUS_PASS_ORDER_MIDDLE);

49
sys/arm/versatile/versatile_scm.h
View File

@ -1,49 +0,0 @@
/*
* Copyright (c) 2017 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, 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 Ben Gray.
* 4. The name of the company nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY BEN GRAY ``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 BEN GRAY 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 _VERSATILE_SCM_H_
#define _VERSATILE_SCM_H_
#define SCM_PCICTL 0x44
#define SCM_CLCD 0x50
#define SCM_CLCD_CLCDID_SHIFT 0x08
#define SCM_CLCD_CLCDID_MASK 0x1f
#define SCM_CLCD_PWR3V5VSWITCH (1 << 4)
#define SCM_CLCD_VDDPOSSWITCH (1 << 3)
#define SCM_CLCD_NLCDIOON (1 << 2)
#define SCM_CLCD_LCD_MODE_MASK 0x03
int versatile_scm_reg_read_4(uint32_t reg, uint32_t *val);
int versatile_scm_reg_write_4(uint32_t reg, uint32_t val);
#endif /* _VERSATILE_SCM_H_ */

324
sys/arm/versatile/versatile_sic.c
View File

@ -1,324 +0,0 @@
/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2012-2017 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, 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/ktr.h>
#include <sys/lock.h>
#include <sys/module.h>
#include <sys/mutex.h>
#include <sys/proc.h>
#include <sys/rman.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <dev/ofw/openfirm.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
#include "pic_if.h"
#ifdef DEBUG
#define dprintf(fmt, args...) printf(fmt, ##args)
#else
#define dprintf(fmt, args...)
#endif
#define SIC_STATUS 0x00
#define SIC_RAWSTAT 0x04
#define SIC_ENABLE 0x08
#define SIC_ENSET 0x08
#define SIC_ENCLR 0x0C
#define SIC_SOFTINTSET 0x10
#define SIC_SOFTINTCLR 0x14
#define SIC_PICENABLE 0x20
#define SIC_PICENSET 0x20
#define SIC_PICENCLR 0x24
#define SIC_NIRQS 32
struct versatile_sic_irqsrc {
struct intr_irqsrc isrc;
u_int irq;
};
struct versatile_sic_softc {
device_t dev;
struct mtx mtx;
struct resource * mem_res;
struct resource * irq_res;
void *intrh;
struct versatile_sic_irqsrc isrcs[SIC_NIRQS];
};
#define SIC_LOCK(_sc) mtx_lock_spin(&(_sc)->mtx)
#define SIC_UNLOCK(_sc) mtx_unlock_spin(&(_sc)->mtx)
#define SIC_READ_4(sc, reg) \
bus_read_4(sc->mem_res, (reg))
#define SIC_WRITE_4(sc, reg, val) \
bus_write_4(sc->mem_res, (reg), (val))
/*
* Driver stuff
*/
static int versatile_sic_probe(device_t);
static int versatile_sic_attach(device_t);
static int versatile_sic_detach(device_t);
static void
versatile_sic_disable_intr(device_t dev, struct intr_irqsrc *isrc)
{
struct versatile_sic_softc *sc;
struct versatile_sic_irqsrc *src;
sc = device_get_softc(dev);
src = (struct versatile_sic_irqsrc *)isrc;
SIC_LOCK(sc);
SIC_WRITE_4(sc, SIC_ENCLR, (1 << src->irq));
SIC_UNLOCK(sc);
}
static void
versatile_sic_enable_intr(device_t dev, struct intr_irqsrc *isrc)
{
struct versatile_sic_softc *sc;
struct versatile_sic_irqsrc *src;
sc = device_get_softc(dev);
src = (struct versatile_sic_irqsrc *)isrc;
SIC_LOCK(sc);
SIC_WRITE_4(sc, SIC_ENSET, (1 << src->irq));
SIC_UNLOCK(sc);
}
static int
versatile_sic_map_intr(device_t dev, struct intr_map_data *data,
struct intr_irqsrc **isrcp)
{
struct intr_map_data_fdt *daf;
struct versatile_sic_softc *sc;
if (data->type != INTR_MAP_DATA_FDT)
return (ENOTSUP);
daf = (struct intr_map_data_fdt *)data;
if (daf->ncells != 1 || daf->cells[0] >= SIC_NIRQS)
return (EINVAL);
sc = device_get_softc(dev);
*isrcp = &sc->isrcs[daf->cells[0]].isrc;
return (0);
}
static void
versatile_sic_pre_ithread(device_t dev, struct intr_irqsrc *isrc)
{
versatile_sic_disable_intr(dev, isrc);
}
static void
versatile_sic_post_ithread(device_t dev, struct intr_irqsrc *isrc)
{
struct versatile_sic_irqsrc *src;
src = (struct versatile_sic_irqsrc *)isrc;
arm_irq_memory_barrier(src->irq);
versatile_sic_enable_intr(dev, isrc);
}
static void
versatile_sic_post_filter(device_t dev, struct intr_irqsrc *isrc)
{
struct versatile_sic_irqsrc *src;
src = (struct versatile_sic_irqsrc *)isrc;
arm_irq_memory_barrier(src->irq);
}
static int
versatile_sic_setup_intr(device_t dev, struct intr_irqsrc *isrc,
struct resource *res, struct intr_map_data *data)
{
return (0);
}
static int
versatile_sic_filter(void *arg)
{
struct versatile_sic_softc *sc;
struct intr_irqsrc *isrc;
uint32_t i, interrupts;
sc = arg;
SIC_LOCK(sc);
interrupts = SIC_READ_4(sc, SIC_STATUS);
SIC_UNLOCK(sc);
for (i = 0; interrupts != 0; i++, interrupts >>= 1) {
if ((interrupts & 0x1) == 0)
continue;
isrc = &sc->isrcs[i].isrc;
if (intr_isrc_dispatch(isrc, curthread->td_intr_frame) != 0) {
versatile_sic_disable_intr(sc->dev, isrc);
versatile_sic_post_filter(sc->dev, isrc);
device_printf(sc->dev, "Stray irq %u disabled\n", i);
}
}
return (FILTER_HANDLED);
}
static int
versatile_sic_probe(device_t dev)
{
if (!ofw_bus_status_okay(dev))
return (ENXIO);
if (!ofw_bus_is_compatible(dev, "arm,versatile-sic"))
return (ENXIO);
device_set_desc(dev, "ARM Versatile SIC");
return (BUS_PROBE_DEFAULT);
}
static int
versatile_sic_attach(device_t dev)
{
struct versatile_sic_softc *sc = device_get_softc(dev);
int rid, error;
uint32_t irq;
const char *name;
struct versatile_sic_irqsrc *isrcs;
sc->dev = dev;
mtx_init(&sc->mtx, device_get_nameunit(dev), "sic",
MTX_SPIN);
/* Request memory resources */
rid = 0;
sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
RF_ACTIVE);
if (sc->mem_res == NULL) {
device_printf(dev, "Error: could not allocate memory resources\n");
return (ENXIO);
}
/* Request memory resources */
rid = 0;
sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
RF_ACTIVE);
if (sc->irq_res == NULL) {
device_printf(dev, "could not allocate IRQ resources\n");
versatile_sic_detach(dev);
return (ENXIO);
}
if ((bus_setup_intr(dev, sc->irq_res, INTR_TYPE_MISC,
versatile_sic_filter, NULL, sc, &sc->intrh))) {
device_printf(dev,
"unable to register interrupt handler\n");
versatile_sic_detach(dev);
return (ENXIO);
}
/* Disable all interrupts on SIC */
SIC_WRITE_4(sc, SIC_ENCLR, 0xffffffff);
/* PIC attachment */
isrcs = sc->isrcs;
name = device_get_nameunit(sc->dev);
for (irq = 0; irq < SIC_NIRQS; irq++) {
isrcs[irq].irq = irq;
error = intr_isrc_register(&isrcs[irq].isrc, sc->dev,
0, "%s,%u", name, irq);
if (error != 0)
return (error);
}
intr_pic_register(dev, OF_xref_from_node(ofw_bus_get_node(dev)));
return (0);
}
static int
versatile_sic_detach(device_t dev)
{
struct versatile_sic_softc *sc;
sc = device_get_softc(dev);
if (sc->intrh)
bus_teardown_intr(dev, sc->irq_res, sc->intrh);
if (sc->mem_res == NULL)
bus_release_resource(dev, SYS_RES_MEMORY,
rman_get_rid(sc->mem_res), sc->mem_res);
if (sc->irq_res == NULL)
bus_release_resource(dev, SYS_RES_IRQ,
rman_get_rid(sc->irq_res), sc->irq_res);
mtx_destroy(&sc->mtx);
return (0);
}
static device_method_t versatile_sic_methods[] = {
DEVMETHOD(device_probe, versatile_sic_probe),
DEVMETHOD(device_attach, versatile_sic_attach),
DEVMETHOD(device_detach, versatile_sic_detach),
DEVMETHOD(pic_disable_intr, versatile_sic_disable_intr),
DEVMETHOD(pic_enable_intr, versatile_sic_enable_intr),
DEVMETHOD(pic_map_intr, versatile_sic_map_intr),
DEVMETHOD(pic_post_filter, versatile_sic_post_filter),
DEVMETHOD(pic_post_ithread, versatile_sic_post_ithread),
DEVMETHOD(pic_pre_ithread, versatile_sic_pre_ithread),
DEVMETHOD(pic_setup_intr, versatile_sic_setup_intr),
DEVMETHOD_END
};
static driver_t versatile_sic_driver = {
"sic",
versatile_sic_methods,
sizeof(struct versatile_sic_softc),
};
static devclass_t versatile_sic_devclass;
DRIVER_MODULE(sic, simplebus, versatile_sic_driver, versatile_sic_devclass, 0, 0);