netbsd/sys/arch/mips/cavium/dev/octeon_pci.c
2015-10-15 10:25:28 +02:00

114 lines
3.5 KiB
C

/* $NetBSD: octeon_pci.c,v 1.2 2015/06/01 22:55:12 matt Exp $ */
/*
* Copyright (c) 2007, 2008 Internet Initiative Japan, Inc.
* 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 REGENTS 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 REGENTS 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>
__KERNEL_RCSID(0, "$NetBSD: octeon_pci.c,v 1.2 2015/06/01 22:55:12 matt Exp $");
#include "opt_octeon.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/types.h>
#include <sys/device.h>
#include <sys/bus.h>
#include <mips/cavium/octeonvar.h>
#include <mips/cavium/dev/octeon_ciureg.h>
#include <mips/cavium/dev/octeon_npireg.h>
/*
* In OCTEON, some infrequent, error interrupts (RML) are handled with PCI
* interrupt. Hence, here.
*/
void octeon_pci_bootstrap(struct octeon_config *);
static void octeon_pci_init(void);
#ifdef OCTEON_ETH_DEBUG
static int octeon_pci_intr_rml(void *);
static void *octeon_pci_intr_rml_ih;
#endif
void
octeon_pci_bootstrap(struct octeon_config *mcp)
{
octeon_pci_init();
}
static void
octeon_pci_init(void)
{
#ifdef OCTEON_ETH_DEBUG
octeon_pci_intr_rml_ih = octeon_intr_establish(
ffs64(CIU_INTX_SUM0_RML) - 1, IPL_NET, octeon_pci_intr_rml, NULL);
#endif
}
#ifdef OCTEON_ETH_DEBUG
int octeon_pci_intr_rml_verbose;
void octeon_gmx_intr_rml_gmx0(void *);
void octeon_gmx_intr_rml_gmx1(void *);
void octeon_asx_intr_rml(void *);
void octeon_ipd_intr_rml(void *);
void octeon_pip_intr_rml(void *);
void octeon_pow_intr_rml(void *);
void octeon_pko_intr_rml(void *);
void octeon_fpa_intr_rml(void *);
static int
octeon_pci_intr_rml(void *arg)
{
uint64_t block;
block = octeon_read_csr(NPI_RSL_INT_BLOCKS);
if (octeon_pci_intr_rml_verbose)
printf("%s: block=0x%016" PRIx64 "\n", __func__, block);
if (ISSET(block, NPI_RSL_INT_BLOCKS_GMX0))
octeon_gmx_intr_rml_gmx0(arg);
#ifdef notyet
if (ISSET(block, NPI_RSL_INT_BLOCKS_GMX1))
octeon_gmx_intr_rml_gmx1(arg);
#endif
if (ISSET(block, NPI_RSL_INT_BLOCKS_ASX0))
octeon_asx_intr_rml(arg);
if (ISSET(block, NPI_RSL_INT_BLOCKS_IPD))
octeon_ipd_intr_rml(arg);
if (ISSET(block, NPI_RSL_INT_BLOCKS_PIP))
octeon_pip_intr_rml(arg);
if (ISSET(block, NPI_RSL_INT_BLOCKS_POW))
octeon_pow_intr_rml(arg);
if (ISSET(block, NPI_RSL_INT_BLOCKS_PKO))
octeon_pko_intr_rml(arg);
if (ISSET(block, NPI_RSL_INT_BLOCKS_FPA))
octeon_fpa_intr_rml(arg);
return 1;
}
#endif