286 lines
9.4 KiB
C
286 lines
9.4 KiB
C
/* $NetBSD: aubus.c,v 1.12 2004/09/13 14:57:31 drochner Exp $ */
|
|
|
|
/*
|
|
* Copyright 2001 Wasabi Systems, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Written by Simon Burge for Wasabi Systems, Inc.
|
|
*
|
|
* 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 for the NetBSD Project by
|
|
* Wasabi Systems, Inc.
|
|
* 4. The name of Wasabi Systems, Inc. may not be used to endorse
|
|
* or promote products derived from this software without specific prior
|
|
* written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 1996 Christopher G. Demetriou. 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 Christopher G. Demetriou
|
|
* for the NetBSD Project.
|
|
* 4. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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>
|
|
__KERNEL_RCSID(0, "$NetBSD: aubus.c,v 1.12 2004/09/13 14:57:31 drochner Exp $");
|
|
|
|
#include "locators.h"
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/device.h>
|
|
#include <sys/extent.h>
|
|
#include <sys/malloc.h>
|
|
|
|
#define _MIPS_BUS_DMA_PRIVATE
|
|
#include <machine/bus.h>
|
|
#include <machine/locore.h>
|
|
#include <mips/alchemy/include/aureg.h>
|
|
#include <mips/alchemy/include/aubusvar.h>
|
|
|
|
|
|
struct au1x00_dev {
|
|
const char *name;
|
|
bus_addr_t addr[3];
|
|
int irq[2];
|
|
};
|
|
|
|
/*
|
|
* The devices built in to the Au1000 CPU.
|
|
*/
|
|
const struct au1x00_dev au1000_devs [] = {
|
|
{ "aucom", { UART0_BASE }, { 0, -1 }},
|
|
{ "aucom", { UART1_BASE }, { 1, -1 }},
|
|
{ "aucom", { UART2_BASE }, { 2, -1 }},
|
|
{ "aucom", { UART3_BASE }, { 3, -1 }},
|
|
{ "aurtc", { }, { -1, -1 }},
|
|
{ "aumac", { MAC0_BASE, MAC0_ENABLE, MAC0_DMA_BASE }, { 28, -1 }},
|
|
{ "aumac", { MAC1_BASE, MAC1_ENABLE, MAC1_DMA_BASE }, { 29, -1 }},
|
|
{ "auaudio", { AC97_BASE }, { 27, 31 }},
|
|
{ "ohci", { USBH_BASE }, { 26, -1 }},
|
|
{ "usbd", { USBD_BASE }, { 24, 25 }},
|
|
{ "irda", { IRDA_BASE }, { 22, 23 }},
|
|
{ "gpio", { SYS_BASE }, { -1, -1 }},
|
|
{ "i2s", { I2S_BASE }, { -1, -1 }},
|
|
{ "ssi", { SSI0_BASE }, { 4, -1 }},
|
|
{ "ssi", { SSI1_BASE }, { 5, -1 }},
|
|
{ NULL }
|
|
};
|
|
|
|
/*
|
|
* The devices built in to the Au1500 CPU.
|
|
*/
|
|
const struct au1x00_dev au1500_devs [] = {
|
|
{ "aucom", { UART0_BASE }, { 0, -1 }},
|
|
{ "aucom", { UART3_BASE }, { 3, -1 }},
|
|
{ "aurtc", { }, { -1, -1 }},
|
|
{ "aumac", { AU1500_MAC0_BASE, AU1500_MAC0_ENABLE,
|
|
MAC0_DMA_BASE }, { 28, -1 }},
|
|
{ "aumac", { AU1500_MAC1_BASE, AU1500_MAC1_ENABLE,
|
|
MAC1_DMA_BASE }, { 29, -1 }},
|
|
{ "auaudio", { AC97_BASE }, { 27, 31 }},
|
|
{ "ohci", { USBH_BASE }, { 26, -1 }},
|
|
{ "usbd", { USBD_BASE }, { 24, 25 }},
|
|
{ "gpio", { SYS_BASE }, { -1, -1 }},
|
|
{ "gpio2", { GPIO2_BASE }, { -1, -1 }},
|
|
{ "aupci", { }, { -1, -1 }},
|
|
{ NULL }
|
|
};
|
|
|
|
|
|
/*
|
|
* The devices built in to the Au1100 CPU.
|
|
*/
|
|
const struct au1x00_dev au1100_devs [] = {
|
|
{ "aucom", { UART0_BASE }, { 0, -1 }},
|
|
{ "aucom", { UART1_BASE }, { 1, -1 }},
|
|
{ "aucom", { UART3_BASE }, { 3, -1 }},
|
|
{ "aurtc", { }, { -1, -1 }},
|
|
{ "aumac", { MAC0_BASE, MAC0_ENABLE, MAC0_DMA_BASE }, { 28, -1 }},
|
|
{ "auaudio", { AC97_BASE }, { 27, 31 }},
|
|
{ "ohci", { USBH_BASE }, { 26, -1 }},
|
|
{ "usbd", { USBD_BASE }, { 24, 25 }},
|
|
{ "irda", { IRDA_BASE }, { 22, 23 }},
|
|
{ "gpio", { SYS_BASE }, { -1, -1 }},
|
|
{ "gpio2", { GPIO2_BASE }, { 29, -1 }},
|
|
{ "i2s", { I2S_BASE }, { 30, -1 }},
|
|
{ "ssi", { SSI0_BASE }, { 4, -1 }},
|
|
{ "ssi", { SSI1_BASE }, { 5, -1 }},
|
|
{ "sd0", { SD0_BASE }, { 5, -1 }},
|
|
{ "sd1", { SD1_BASE }, { 5, -1 }},
|
|
{ NULL }
|
|
};
|
|
|
|
|
|
static int aubus_match(struct device *, struct cfdata *, void *);
|
|
static void aubus_attach(struct device *, struct device *, void *);
|
|
static int aubus_submatch(struct device *, struct cfdata *,
|
|
const locdesc_t *, void *);
|
|
static int aubus_print(void *, const char *);
|
|
static void aubus_alloc_dma_tag(struct device *, bus_dma_tag_t);
|
|
|
|
CFATTACH_DECL(aubus, sizeof(struct device),
|
|
aubus_match, aubus_attach, NULL, NULL);
|
|
|
|
bus_space_tag_t aubus_st; /* XXX */
|
|
struct mips_bus_dma_tag aubus_mdt;
|
|
|
|
/*
|
|
* Probe for the aubus; always succeeds.
|
|
*/
|
|
static int
|
|
aubus_match(struct device *parent, struct cfdata *match, void *aux)
|
|
{
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
aubus_submatch(struct device *parent, struct cfdata *cf,
|
|
const locdesc_t *ldesc, void *aux)
|
|
{
|
|
|
|
if (cf->cf_loc[AUBUSCF_ADDR] != AUBUSCF_ADDR_DEFAULT &&
|
|
cf->cf_loc[AUBUSCF_ADDR] != ldesc->locs[AUBUSCF_ADDR])
|
|
return (0);
|
|
|
|
return (config_match(parent, cf, aux));
|
|
}
|
|
|
|
/*
|
|
* Attach the aubus.
|
|
*/
|
|
static void
|
|
aubus_attach(struct device *parent, struct device *self, void *aux)
|
|
{
|
|
struct aubus_attach_args aa;
|
|
struct device *sc = (struct device *)self;
|
|
const struct au1x00_dev *ad;
|
|
int help[2];
|
|
locdesc_t *ldesc = (void *)help; /* XXX */
|
|
|
|
printf("\n");
|
|
|
|
switch (MIPS_PRID_COPTS(cpu_id)) {
|
|
case MIPS_AU1000:
|
|
ad = au1000_devs;
|
|
break;
|
|
case MIPS_AU1500:
|
|
ad = au1500_devs;
|
|
break;
|
|
case MIPS_AU1100:
|
|
ad = au1100_devs;
|
|
break;
|
|
default:
|
|
panic("Unknown Alchemy SOC identification %d",
|
|
MIPS_PRID_COPTS(cpu_id));
|
|
}
|
|
|
|
for (; ad->name != NULL; ad++) {
|
|
aa.aa_name = ad->name;
|
|
aa.aa_st = aubus_st;
|
|
aa.aa_dt = &aubus_mdt;
|
|
aubus_alloc_dma_tag(sc, aa.aa_dt);
|
|
aa.aa_addrs[0] = ad->addr[0];
|
|
aa.aa_addrs[1] = ad->addr[1];
|
|
aa.aa_addrs[2] = ad->addr[2];
|
|
aa.aa_irq[0] = ad->irq[0];
|
|
aa.aa_irq[1] = ad->irq[1];
|
|
|
|
ldesc->len = 1;
|
|
ldesc->locs[AUBUSCF_ADDR] = ad->addr[0];
|
|
|
|
(void) config_found_sm_loc(self, "aubus", ldesc, &aa,
|
|
aubus_print, aubus_submatch);
|
|
}
|
|
}
|
|
|
|
static int
|
|
aubus_print(void *aux, const char *pnp)
|
|
{
|
|
struct aubus_attach_args *aa = aux;
|
|
|
|
if (pnp)
|
|
aprint_normal("%s at %s", aa->aa_name, pnp);
|
|
|
|
if (aa->aa_addr != AUBUSCF_ADDR_DEFAULT)
|
|
aprint_normal(" %s 0x%lx", aubuscf_locnames[AUBUSCF_ADDR],
|
|
aa->aa_addr);
|
|
if (aa->aa_irq[0] >= 0)
|
|
aprint_normal(" irq %d", aa->aa_irq[0]);
|
|
if (aa->aa_irq[1] >= 0)
|
|
aprint_normal(",%d", aa->aa_irq[1]);
|
|
return (UNCONF);
|
|
}
|
|
|
|
void
|
|
aubus_alloc_dma_tag(sc, pdt)
|
|
struct device *sc;
|
|
bus_dma_tag_t pdt;
|
|
{
|
|
bus_dma_tag_t t;
|
|
|
|
t = pdt;
|
|
t->_cookie = sc;
|
|
t->_wbase = 0; /* XXX */
|
|
t->_physbase = 0; /* XXX */
|
|
t->_wsize = MIPS_KSEG1_START - MIPS_KSEG0_START;
|
|
t->_dmamap_create = _bus_dmamap_create;
|
|
t->_dmamap_destroy = _bus_dmamap_destroy;
|
|
t->_dmamap_load = _bus_dmamap_load;
|
|
t->_dmamap_load_mbuf = _bus_dmamap_load_mbuf;
|
|
t->_dmamap_load_uio = _bus_dmamap_load_uio;
|
|
t->_dmamap_load_raw = _bus_dmamap_load_raw;
|
|
t->_dmamap_unload = _bus_dmamap_unload;
|
|
t->_dmamap_sync = _bus_dmamap_sync;
|
|
t->_dmamem_alloc = _bus_dmamem_alloc;
|
|
t->_dmamem_free = _bus_dmamem_free;
|
|
t->_dmamem_map = _bus_dmamem_map;
|
|
t->_dmamem_unmap = _bus_dmamem_unmap;
|
|
t->_dmamem_mmap = _bus_dmamem_mmap;
|
|
}
|