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Add bus driver for TI sysc interconncet.

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This commit is contained in:
jmcneill 2019-10-26 15:58:55 +00:00
parent 538dc118f5
commit 0223ab780f
2 changed files with 79 additions and 2 deletions
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9
sys/arch/arm/ti/files.ti
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@ -1,4 +1,4 @@
# $NetBSD: files.ti,v 1.5 2019/10/26 14:57:27 jmcneill Exp $
# $NetBSD: files.ti,v 1.6 2019/10/26 15:58:55 jmcneill Exp $
#
file arch/arm/ti/ti_platform.c soc_ti
@ -6,7 +6,12 @@ file arch/arm/ti/ti_platform.c soc_ti
# Interrupt controller
device omapintc: pic, pic_splfuncs
attach omapintc at fdt
file arch/arm/ti/ti_omapintc.c omapintc
file arch/arm/ti/ti_omapintc.c omapintc
# sysc interconnect
device tisysc { } : fdt, ti_prcm
attach tisysc at fdt with ti_sysc
file arch/arm/ti/ti_sysc.c ti_sysc
# PRCM
define ti_prcm

72
sys/arch/arm/ti/ti_sysc.c Normal file
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@ -0,0 +1,72 @@
/* $NetBSD: ti_sysc.c,v 1.1 2019/10/26 15:58:55 jmcneill Exp $ */
/*-
* Copyright (c) 2019 Jared McNeill <jmcneill@invisible.ca>
* 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 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: ti_sysc.c,v 1.1 2019/10/26 15:58:55 jmcneill 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 <dev/fdt/fdtvar.h>
#include <arm/ti/ti_prcm.h>
static int ti_sysc_match(device_t, cfdata_t, void *);
static void ti_sysc_attach(device_t, device_t, void *);
CFATTACH_DECL_NEW(ti_sysc, 0, ti_sysc_match, ti_sysc_attach, NULL, NULL);
static const char * compatible[] = {
"ti,sysc",
NULL
};
static int
ti_sysc_match(device_t parent, cfdata_t cf, void *aux)
{
struct fdt_attach_args * const faa = aux;
return of_match_compatible(faa->faa_phandle, compatible);
}
static void
ti_sysc_attach(device_t parent, device_t self, void *aux)
{
struct fdt_attach_args * const faa = aux;
const int phandle = faa->faa_phandle;
aprint_naive("\n");
aprint_normal("\n");
fdt_add_bus(self, phandle, faa);
}