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Add l2cc support.

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This commit is contained in:
hkenken 2018-06-20 08:03:55 +00:00
parent 8b06bd99ec
commit 0988119362
3 changed files with 96 additions and 5 deletions
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7
sys/arch/arm/cortex/pl310.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: pl310.c,v 1.17 2015/02/27 20:40:09 jmcneill Exp $ */
/* $NetBSD: pl310.c,v 1.18 2018/06/20 08:03:55 hkenken Exp $ */
/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pl310.c,v 1.17 2015/02/27 20:40:09 jmcneill Exp $");
__KERNEL_RCSID(0, "$NetBSD: pl310.c,v 1.18 2018/06/20 08:03:55 hkenken Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@ -47,7 +47,6 @@ __KERNEL_RCSID(0, "$NetBSD: pl310.c,v 1.17 2015/02/27 20:40:09 jmcneill Exp $");
static int arml2cc_match(device_t, cfdata_t, void *);
static void arml2cc_attach(device_t, device_t, void *);
#define L2CC_BASE 0x2000
#define L2CC_SIZE 0x1000
struct arml2cc_softc {
@ -150,7 +149,7 @@ arml2cc_attach(device_t parent, device_t self, void *aux)
aprint_normal(": not configured\n");
return;
}
off = L2CC_BASE;
off = mpcaa->mpcaa_off1;
}
arml2cc_sc = sc;

6
sys/arch/arm/fdt/files.fdt
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@ -1,4 +1,4 @@
# $NetBSD: files.fdt,v 1.16 2018/06/05 08:03:28 hkenken Exp $
# $NetBSD: files.fdt,v 1.17 2018/06/20 08:03:55 hkenken Exp $
include "dev/pckbport/files.pckbport"
@ -25,6 +25,10 @@ device gic: mpcorebus
attach gic at fdt with gic_fdt
file arch/arm/fdt/gic_fdt.c gic_fdt
device l2cc: mpcorebus
attach l2cc at fdt with l2cc_fdt
file arch/arm/fdt/l2cc_fdt.c l2cc_fdt
attach plcom at fdt with plcom_fdt
file arch/arm/fdt/plcom_fdt.c plcom_fdt

88
sys/arch/arm/fdt/l2cc_fdt.c Normal file
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@ -0,0 +1,88 @@
/* $NetBSD: l2cc_fdt.c,v 1.1 2018/06/20 08:03:55 hkenken Exp $ */
/*
* Copyright (c) 2018 Genetec Corporation. All rights reserved.
* Written by Hashimoto Kenichi for Genetec Corporation.
*
* 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 GENETEC CORPORATION ``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 GENETEC CORPORATION
* 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: l2cc_fdt.c,v 1.1 2018/06/20 08:03:55 hkenken Exp $");
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/device.h>
#include <sys/intr.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/kmem.h>
#include <arm/cortex/mpcore_var.h>
#include <dev/fdt/fdtvar.h>
#include <arm/fdt/arm_fdtvar.h>
static int l2cc_fdt_match(device_t, cfdata_t, void *);
static void l2cc_fdt_attach(device_t, device_t, void *);
CFATTACH_DECL_NEW(l2cc_fdt, 0, l2cc_fdt_match, l2cc_fdt_attach, NULL, NULL);
static int
l2cc_fdt_match(device_t parent, cfdata_t cf, void *aux)
{
const char * const compatible[] = {
"arm,pl310-cache",
NULL
};
struct fdt_attach_args * const faa = aux;
return of_compatible(faa->faa_phandle, compatible) >= 0;
}
static void
l2cc_fdt_attach(device_t parent, device_t self, void *aux)
{
struct fdt_attach_args * const faa = aux;
const int phandle = faa->faa_phandle;
bus_space_handle_t bsh;
bus_addr_t addr;
bus_size_t size;
if (fdtbus_get_reg(phandle, 0, &addr, &size) != 0) {
aprint_error(": couldn't get distributor address\n");
return;
}
if (bus_space_map(faa->faa_bst, addr, size, 0, &bsh)) {
aprint_error(": couldn't map registers\n");
return;
}
struct mpcore_attach_args mpcaa = {
.mpcaa_name = "arml2cc",
.mpcaa_memt = faa->faa_bst,
.mpcaa_memh = bsh,
.mpcaa_off1 = 0,
.mpcaa_off2 = 0,
};
config_found(self, &mpcaa, NULL);
}