299 lines
8.9 KiB
C
299 lines
8.9 KiB
C
/*-
|
|
* Copyright (c) 2003-2009 RMI Corporation
|
|
* 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. Neither the name of RMI Corporation, 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 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.
|
|
*
|
|
* RMI_BSD */
|
|
|
|
#define __RMAN_RESOURCE_VISIBLE
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/lock.h>
|
|
#include <sys/mutex.h>
|
|
#include <sys/reboot.h>
|
|
#include <sys/types.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/interrupt.h>
|
|
#include <sys/module.h>
|
|
|
|
#include <machine/cpu.h>
|
|
#include <machine/bus.h>
|
|
#include <machine/bus.h>
|
|
#include <machine/intr_machdep.h>
|
|
#include <mips/rmi/iomap.h>
|
|
#include <mips/rmi/pic.h>
|
|
#include <mips/rmi/shared_structs.h>
|
|
#include <mips/rmi/board.h>
|
|
#include <sys/rman.h>
|
|
|
|
|
|
#include <machine/param.h>
|
|
#include <machine/intr_machdep.h>
|
|
#include <machine/clock.h> /* for DELAY */
|
|
#include <machine/bus.h>
|
|
#include <machine/resource.h>
|
|
#include <mips/rmi/interrupt.h>
|
|
#include <mips/rmi/msgring.h>
|
|
#include <mips/rmi/iomap.h>
|
|
#include <mips/rmi/debug.h>
|
|
#include <mips/rmi/pic.h>
|
|
#include <mips/rmi/xlrconfig.h>
|
|
#include <mips/rmi/shared_structs.h>
|
|
#include <mips/rmi/board.h>
|
|
|
|
#include <dev/rmi/xlr/atx_cpld.h>
|
|
#include <dev/rmi/xlr/xgmac_mdio.h>
|
|
|
|
extern void iodi_activateirqs(void);
|
|
|
|
extern bus_space_tag_t uart_bus_space_mem;
|
|
|
|
static struct resource *
|
|
iodi_alloc_resource(device_t, device_t, int, int *,
|
|
u_long, u_long, u_long, u_int);
|
|
|
|
static int
|
|
iodi_activate_resource(device_t, device_t, int, int,
|
|
struct resource *);
|
|
static int
|
|
iodi_setup_intr(device_t, device_t, struct resource *, int,
|
|
driver_filter_t *, driver_intr_t *, void *, void **);
|
|
|
|
struct iodi_softc *iodi_softc; /* There can be only one. */
|
|
|
|
/*
|
|
static void pic_usb_ack(void *arg)
|
|
{
|
|
xlr_reg_t *mmio = xlr_io_mmio(XLR_IO_PIC_OFFSET);
|
|
int irq = PIC_USB_IRQ ;
|
|
|
|
mtx_lock_spin(&xlr_pic_lock);
|
|
xlr_write_reg(mmio, PIC_INT_ACK, (1 << (irq - PIC_IRQ_BASE)));
|
|
mtx_unlock_spin(&xlr_pic_lock);
|
|
}
|
|
*/
|
|
|
|
static int
|
|
iodi_setup_intr(device_t dev, device_t child,
|
|
struct resource *ires, int flags, driver_filter_t * filt, driver_intr_t * intr, void *arg,
|
|
void **cookiep)
|
|
{
|
|
int level;
|
|
xlr_reg_t *mmio = xlr_io_mmio(XLR_IO_PIC_OFFSET);
|
|
xlr_reg_t reg;
|
|
|
|
/* FIXME is this the right place to fiddle with PIC? */
|
|
if (strcmp(device_get_name(child), "uart") == 0) {
|
|
/* FIXME uart 1? */
|
|
mtx_lock_spin(&xlr_pic_lock);
|
|
level = PIC_IRQ_IS_EDGE_TRIGGERED(PIC_IRT_UART_0_INDEX);
|
|
xlr_write_reg(mmio, PIC_IRT_0_UART_0, 0x01);
|
|
xlr_write_reg(mmio, PIC_IRT_1_UART_0, ((1 << 31) | (level << 30) | (1 << 6) | (PIC_UART_0_IRQ)));
|
|
mtx_unlock_spin(&xlr_pic_lock);
|
|
cpu_establish_hardintr("uart", NULL,
|
|
(driver_intr_t *) intr, (void *)arg, PIC_UART_0_IRQ, flags, cookiep);
|
|
|
|
} else if (strcmp(device_get_name(child), "rge") == 0) {
|
|
int irq;
|
|
|
|
irq = rman_get_rid(ires);
|
|
mtx_lock_spin(&xlr_pic_lock);
|
|
reg = xlr_read_reg(mmio, PIC_IRT_1_BASE + irq - PIC_IRQ_BASE);
|
|
xlr_write_reg(mmio, PIC_IRT_1_BASE + irq - PIC_IRQ_BASE, reg | (1 << 6) | (1 << 30) | (1 << 31));
|
|
mtx_unlock_spin(&xlr_pic_lock);
|
|
cpu_establish_hardintr("rge", NULL, (driver_intr_t *) intr, (void *)arg, irq, flags, cookiep);
|
|
|
|
} else if (strcmp(device_get_name(child), "ehci") == 0) {
|
|
mtx_lock_spin(&xlr_pic_lock);
|
|
reg = xlr_read_reg(mmio, PIC_IRT_1_BASE + PIC_USB_IRQ - PIC_IRQ_BASE);
|
|
xlr_write_reg(mmio, PIC_IRT_1_BASE + PIC_USB_IRQ - PIC_IRQ_BASE, reg | (1 << 6) | (1 << 30) | (1 << 31));
|
|
mtx_unlock_spin(&xlr_pic_lock);
|
|
cpu_establish_hardintr("ehci", NULL, (driver_intr_t *) intr, (void *)arg, PIC_USB_IRQ, flags, cookiep);
|
|
}
|
|
BUS_SETUP_INTR(device_get_parent(dev),
|
|
child, ires, flags, filt, intr, arg, cookiep);
|
|
|
|
|
|
return (0);
|
|
}
|
|
|
|
/* Strange hook found in mips/include/bus.h */
|
|
#ifndef MIPS_BUS_SPACE_PCI
|
|
#define MIPS_BUS_SPACE_PCI 10
|
|
#endif
|
|
|
|
static struct resource *
|
|
iodi_alloc_resource(device_t bus, device_t child, int type, int *rid,
|
|
u_long start, u_long end, u_long count, u_int flags)
|
|
{
|
|
struct resource *res = malloc(sizeof(*res), M_DEVBUF, M_WAITOK);
|
|
int unit;
|
|
|
|
#ifdef DEBUG
|
|
switch (type) {
|
|
case SYS_RES_IRQ:
|
|
device_printf(bus, "IRQ resource - for %s %lx-%lx\n",
|
|
device_get_nameunit(child), start, end);
|
|
break;
|
|
|
|
case SYS_RES_IOPORT:
|
|
device_printf(bus, "IOPORT resource - for %s %lx-%lx\n",
|
|
device_get_nameunit(child), start, end);
|
|
break;
|
|
|
|
case SYS_RES_MEMORY:
|
|
device_printf(bus, "MEMORY resource - for %s %lx-%lx\n",
|
|
device_get_nameunit(child), start, end);
|
|
break;
|
|
}
|
|
#endif
|
|
|
|
if (strcmp(device_get_name(child), "uart") == 0) {
|
|
if ((unit = device_get_unit(child)) == 0) { /* uart 0 */
|
|
res->r_bushandle = (xlr_io_base + XLR_IO_UART_0_OFFSET);
|
|
} else if (unit == 1) {
|
|
res->r_bushandle = (xlr_io_base + XLR_IO_UART_1_OFFSET);
|
|
} else
|
|
printf("%s: Unknown uart unit\n", __FUNCTION__);
|
|
|
|
res->r_bustag = uart_bus_space_mem;
|
|
} else if (strcmp(device_get_name(child), "ehci") == 0) {
|
|
res->r_bushandle = 0xbef24000;
|
|
res->r_bustag = (bus_space_tag_t) MIPS_BUS_SPACE_PCI;
|
|
} else if (strcmp(device_get_name(child), "cfi") == 0) {
|
|
res->r_bushandle = 0xbc000000;
|
|
res->r_bustag = 0;
|
|
}
|
|
/* res->r_start = *rid; */
|
|
return (res);
|
|
}
|
|
|
|
static int
|
|
iodi_activate_resource(device_t bus, device_t child, int type, int rid,
|
|
struct resource *r)
|
|
{
|
|
return (0);
|
|
}
|
|
|
|
/* prototypes */
|
|
static int iodi_probe(device_t);
|
|
static int iodi_attach(device_t);
|
|
static void iodi_identify(driver_t *, device_t);
|
|
|
|
int
|
|
iodi_probe(device_t dev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
iodi_identify(driver_t * driver, device_t parent)
|
|
{
|
|
|
|
BUS_ADD_CHILD(parent, 0, "iodi", 0);
|
|
}
|
|
|
|
int
|
|
iodi_attach(device_t dev)
|
|
{
|
|
device_t tmpd;
|
|
|
|
/*
|
|
* Attach each devices
|
|
*/
|
|
device_add_child(dev, "uart", 0);
|
|
device_add_child(dev, "xlr_i2c", 0);
|
|
|
|
if (xlr_board_info.usb)
|
|
device_add_child(dev, "ehci", 0);
|
|
|
|
if (xlr_board_info.cfi)
|
|
device_add_child(dev, "cfi", 0);
|
|
|
|
if (xlr_board_info.gmac_block[0].enabled) {
|
|
tmpd = device_add_child(dev, "rge", 0);
|
|
device_set_ivars(tmpd, &xlr_board_info.gmac_block[0]);
|
|
|
|
tmpd = device_add_child(dev, "rge", 1);
|
|
device_set_ivars(tmpd, &xlr_board_info.gmac_block[0]);
|
|
|
|
tmpd = device_add_child(dev, "rge", 2);
|
|
device_set_ivars(tmpd, &xlr_board_info.gmac_block[0]);
|
|
|
|
tmpd = device_add_child(dev, "rge", 3);
|
|
device_set_ivars(tmpd, &xlr_board_info.gmac_block[0]);
|
|
}
|
|
if (xlr_board_info.gmac_block[1].enabled) {
|
|
if (xlr_board_info.gmac_block[1].type == XLR_GMAC) {
|
|
tmpd = device_add_child(dev, "rge", 4);
|
|
device_set_ivars(tmpd, &xlr_board_info.gmac_block[1]);
|
|
|
|
tmpd = device_add_child(dev, "rge", 5);
|
|
device_set_ivars(tmpd, &xlr_board_info.gmac_block[1]);
|
|
|
|
tmpd = device_add_child(dev, "rge", 6);
|
|
device_set_ivars(tmpd, &xlr_board_info.gmac_block[1]);
|
|
|
|
tmpd = device_add_child(dev, "rge", 7);
|
|
device_set_ivars(tmpd, &xlr_board_info.gmac_block[1]);
|
|
} else if (xlr_board_info.gmac_block[1].type == XLR_XGMAC) {
|
|
#if 0 /* XGMAC not yet */
|
|
tmpd = device_add_child(dev, "rge", 4);
|
|
device_set_ivars(tmpd, &xlr_board_info.gmac_block[1]);
|
|
|
|
tmpd = device_add_child(dev, "rge", 5);
|
|
device_set_ivars(tmpd, &xlr_board_info.gmac_block[1]);
|
|
#endif
|
|
} else
|
|
device_printf(dev, "Unknown type of gmac 1\n");
|
|
}
|
|
bus_generic_probe(dev);
|
|
bus_generic_attach(dev);
|
|
return 0;
|
|
}
|
|
|
|
static device_method_t iodi_methods[] = {
|
|
DEVMETHOD(device_probe, iodi_probe),
|
|
DEVMETHOD(device_attach, iodi_attach),
|
|
DEVMETHOD(device_identify, iodi_identify),
|
|
DEVMETHOD(bus_alloc_resource, iodi_alloc_resource),
|
|
DEVMETHOD(bus_activate_resource, iodi_activate_resource),
|
|
DEVMETHOD(bus_setup_intr, iodi_setup_intr),
|
|
{0, 0},
|
|
};
|
|
|
|
static driver_t iodi_driver = {
|
|
"iodi",
|
|
iodi_methods,
|
|
1 /* no softc */
|
|
};
|
|
static devclass_t iodi_devclass;
|
|
|
|
DRIVER_MODULE(iodi, nexus, iodi_driver, iodi_devclass, 0, 0);
|