freebsd-skq/sys/mips/rmi/iodi.c
Jayachandran C. 5574a166c9 64 bit compilation support XLR platform code.
Mostly changes to make casting between int and pointer and printing
64bit values safe for 32 and 64 bit compile.

Approved by:	rrs
2010-07-08 15:05:23 +00:00

298 lines
9.0 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
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#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 <mips/rmi/dev/xlr/atx_cpld.h>
#include <mips/rmi/dev/xlr/xgmac_mdio.h>
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 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? */
if (rmi_spin_mutex_safe)
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)));
if (rmi_spin_mutex_safe)
mtx_unlock_spin(&xlr_pic_lock);
cpu_establish_hardintr("uart", filt,
(driver_intr_t *) intr, (void *)arg, PIC_UART_0_IRQ, flags, cookiep);
} else if (strcmp(device_get_name(child), "rge") == 0) {
int irq;
/* This is a hack to pass in the irq */
irq = (intptr_t)ires->__r_i;
if (rmi_spin_mutex_safe)
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));
if (rmi_spin_mutex_safe)
mtx_unlock_spin(&xlr_pic_lock);
cpu_establish_hardintr("rge", filt, (driver_intr_t *) intr, (void *)arg, irq, flags, cookiep);
} else if (strcmp(device_get_name(child), "ehci") == 0) {
if (rmi_spin_mutex_safe)
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));
if (rmi_spin_mutex_safe)
mtx_unlock_spin(&xlr_pic_lock);
cpu_establish_hardintr("ehci", filt, (driver_intr_t *) intr, (void *)arg, PIC_USB_IRQ, flags, cookiep);
}
/*
* This causes a panic and looks recursive to me (RRS).
* BUS_SETUP_INTR(device_get_parent(dev), child, ires, flags, filt,
* intr, arg, cookiep);
*/
return (0);
}
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 = MIPS_PHYS_TO_KSEG1(0x1ef24000);
res->r_bustag = rmi_pci_bus_space;
} else if (strcmp(device_get_name(child), "cfi") == 0) {
res->r_bushandle = MIPS_PHYS_TO_KSEG1(0x1c000000);
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);
device_add_child(dev, "pcib", 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]);
if (xlr_board_info.gmac_block[1].enabled & 0x4) {
tmpd = device_add_child(dev, "rge", 6);
device_set_ivars(tmpd, &xlr_board_info.gmac_block[1]);
}
if (xlr_board_info.gmac_block[1].enabled & 0x8) {
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);