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167 lines
4.9 KiB
C
167 lines
4.9 KiB
C
/*-
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* SPDX-License-Identifier: BSD-4-Clause
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*
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* Copyright (c) 1994-1998 Mark Brinicombe.
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* Copyright (c) 1994 Brini.
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* All rights reserved.
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*
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* This code is derived from software written for Brini by Mark Brinicombe
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Brini.
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* 4. The name of the company nor the name of the author may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: FreeBSD: //depot/projects/arm/src/sys/arm/at91/kb920x_machdep.c, rev 45
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*/
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#include "opt_platform.h"
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/devmap.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include <machine/bus.h>
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#include <machine/machdep.h>
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#include <machine/platformvar.h>
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#include <arm/ti/omap4/omap4_machdep.h>
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#include <arm/ti/omap4/omap4_reg.h>
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#include <arm/ti/ti_cpuid.h>
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#include "platform_if.h"
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#if defined(SOC_OMAP4)
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#include "platform_pl310_if.h"
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static platform_attach_t omap4_attach;
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static platform_devmap_init_t ti_omap4_devmap_init;
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#endif
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#if defined(SOC_TI_AM335X)
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static platform_attach_t ti_am335x_attach;
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static platform_devmap_init_t ti_am335x_devmap_init;
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#endif
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static platform_cpu_reset_t ti_plat_cpu_reset;
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void (*ti_cpu_reset)(void) = NULL;
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int _ti_chip = -1;
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#if defined(SOC_OMAP4)
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static int
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omap4_attach(platform_t plat)
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{
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_ti_chip = CHIP_OMAP_4;
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return (0);
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}
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#endif
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#if defined(SOC_TI_AM335X)
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static int
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ti_am335x_attach(platform_t plat)
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{
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_ti_chip = CHIP_AM335X;
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return (0);
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}
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#endif
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/*
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* Construct static devmap entries to map out the most frequently used
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* peripherals using 1mb section mappings.
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*/
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#if defined(SOC_OMAP4)
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static int
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ti_omap4_devmap_init(platform_t plat)
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{
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devmap_add_entry(0x48000000, 0x01000000); /*16mb L4_PER devices */
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devmap_add_entry(0x4A000000, 0x01000000); /*16mb L4_CFG devices */
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return (0);
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}
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#endif
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#if defined(SOC_TI_AM335X)
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static int
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ti_am335x_devmap_init(platform_t plat)
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{
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devmap_add_entry(0x44C00000, 0x00400000); /* 4mb L4_WKUP devices*/
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devmap_add_entry(0x47400000, 0x00100000); /* 1mb USB */
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devmap_add_entry(0x47800000, 0x00100000); /* 1mb mmchs2 */
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devmap_add_entry(0x48000000, 0x01000000); /*16mb L4_PER devices */
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devmap_add_entry(0x49000000, 0x00100000); /* 1mb edma3 */
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devmap_add_entry(0x49800000, 0x00300000); /* 3mb edma3 */
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devmap_add_entry(0x4A000000, 0x01000000); /*16mb L4_FAST devices*/
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return (0);
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}
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#endif
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static void
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ti_plat_cpu_reset(platform_t plat)
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{
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if (ti_cpu_reset)
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(*ti_cpu_reset)();
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else
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printf("no cpu_reset implementation\n");
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}
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#if defined(SOC_OMAP4)
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static platform_method_t omap4_methods[] = {
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PLATFORMMETHOD(platform_attach, omap4_attach),
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PLATFORMMETHOD(platform_devmap_init, ti_omap4_devmap_init),
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PLATFORMMETHOD(platform_cpu_reset, ti_plat_cpu_reset),
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#ifdef SMP
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PLATFORMMETHOD(platform_mp_start_ap, omap4_mp_start_ap),
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PLATFORMMETHOD(platform_mp_setmaxid, omap4_mp_setmaxid),
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#endif
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PLATFORMMETHOD(platform_pl310_init, omap4_pl310_init),
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PLATFORMMETHOD(platform_pl310_write_ctrl, omap4_pl310_write_ctrl),
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PLATFORMMETHOD(platform_pl310_write_debug, omap4_pl310_write_debug),
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PLATFORMMETHOD_END,
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};
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FDT_PLATFORM_DEF(omap4, "omap4", 0, "ti,omap4430", 200);
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#endif
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#if defined(SOC_TI_AM335X)
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static platform_method_t am335x_methods[] = {
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PLATFORMMETHOD(platform_attach, ti_am335x_attach),
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PLATFORMMETHOD(platform_devmap_init, ti_am335x_devmap_init),
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PLATFORMMETHOD(platform_cpu_reset, ti_plat_cpu_reset),
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PLATFORMMETHOD_END,
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};
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FDT_PLATFORM_DEF(am335x, "am335x", 0, "ti,am33xx", 200);
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#endif
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