freebsd-skq/sys/arm/ti/ti_machdep.c
Pedro F. Giffuni af3dc4a7ca sys/arm: further adoption of SPDX licensing ID tags.
Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.
2017-11-27 15:04:10 +00:00

167 lines
4.9 KiB
C

/*-
* SPDX-License-Identifier: BSD-4-Clause
*
* Copyright (c) 1994-1998 Mark Brinicombe.
* Copyright (c) 1994 Brini.
* All rights reserved.
*
* This code is derived from software written for Brini by Mark Brinicombe
*
* 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 Brini.
* 4. The name of the company nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY BRINI ``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 BRINI 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.
*
* from: FreeBSD: //depot/projects/arm/src/sys/arm/at91/kb920x_machdep.c, rev 45
*/
#include "opt_platform.h"
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/devmap.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <machine/bus.h>
#include <machine/machdep.h>
#include <machine/platformvar.h>
#include <arm/ti/omap4/omap4_machdep.h>
#include <arm/ti/omap4/omap4_reg.h>
#include <arm/ti/ti_cpuid.h>
#include "platform_if.h"
#if defined(SOC_OMAP4)
#include "platform_pl310_if.h"
static platform_attach_t omap4_attach;
static platform_devmap_init_t ti_omap4_devmap_init;
#endif
#if defined(SOC_TI_AM335X)
static platform_attach_t ti_am335x_attach;
static platform_devmap_init_t ti_am335x_devmap_init;
#endif
static platform_cpu_reset_t ti_plat_cpu_reset;
void (*ti_cpu_reset)(void) = NULL;
int _ti_chip = -1;
#if defined(SOC_OMAP4)
static int
omap4_attach(platform_t plat)
{
_ti_chip = CHIP_OMAP_4;
return (0);
}
#endif
#if defined(SOC_TI_AM335X)
static int
ti_am335x_attach(platform_t plat)
{
_ti_chip = CHIP_AM335X;
return (0);
}
#endif
/*
* Construct static devmap entries to map out the most frequently used
* peripherals using 1mb section mappings.
*/
#if defined(SOC_OMAP4)
static int
ti_omap4_devmap_init(platform_t plat)
{
devmap_add_entry(0x48000000, 0x01000000); /*16mb L4_PER devices */
devmap_add_entry(0x4A000000, 0x01000000); /*16mb L4_CFG devices */
return (0);
}
#endif
#if defined(SOC_TI_AM335X)
static int
ti_am335x_devmap_init(platform_t plat)
{
devmap_add_entry(0x44C00000, 0x00400000); /* 4mb L4_WKUP devices*/
devmap_add_entry(0x47400000, 0x00100000); /* 1mb USB */
devmap_add_entry(0x47800000, 0x00100000); /* 1mb mmchs2 */
devmap_add_entry(0x48000000, 0x01000000); /*16mb L4_PER devices */
devmap_add_entry(0x49000000, 0x00100000); /* 1mb edma3 */
devmap_add_entry(0x49800000, 0x00300000); /* 3mb edma3 */
devmap_add_entry(0x4A000000, 0x01000000); /*16mb L4_FAST devices*/
return (0);
}
#endif
static void
ti_plat_cpu_reset(platform_t plat)
{
if (ti_cpu_reset)
(*ti_cpu_reset)();
else
printf("no cpu_reset implementation\n");
}
#if defined(SOC_OMAP4)
static platform_method_t omap4_methods[] = {
PLATFORMMETHOD(platform_attach, omap4_attach),
PLATFORMMETHOD(platform_devmap_init, ti_omap4_devmap_init),
PLATFORMMETHOD(platform_cpu_reset, ti_plat_cpu_reset),
#ifdef SMP
PLATFORMMETHOD(platform_mp_start_ap, omap4_mp_start_ap),
PLATFORMMETHOD(platform_mp_setmaxid, omap4_mp_setmaxid),
#endif
PLATFORMMETHOD(platform_pl310_init, omap4_pl310_init),
PLATFORMMETHOD(platform_pl310_write_ctrl, omap4_pl310_write_ctrl),
PLATFORMMETHOD(platform_pl310_write_debug, omap4_pl310_write_debug),
PLATFORMMETHOD_END,
};
FDT_PLATFORM_DEF(omap4, "omap4", 0, "ti,omap4430", 200);
#endif
#if defined(SOC_TI_AM335X)
static platform_method_t am335x_methods[] = {
PLATFORMMETHOD(platform_attach, ti_am335x_attach),
PLATFORMMETHOD(platform_devmap_init, ti_am335x_devmap_init),
PLATFORMMETHOD(platform_cpu_reset, ti_plat_cpu_reset),
PLATFORMMETHOD_END,
};
FDT_PLATFORM_DEF(am335x, "am335x", 0, "ti,am33xx", 200);
#endif