Differential D26976 Diff 78821 sys/arm/fvp_ve-cortex_a15x1/fvp_ve-cortex_a15x1_machdep.c

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sys/arm/fvp_ve-cortex_a15x1/fvp_ve-cortex_a15x1_machdep.c

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				/*-
				* Copyright (c) 2012 Oleksandr Tymoshenko.
				* 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.
				*
				*/

				#include "opt_ddb.h"
				#include "opt_platform.h"

				#include <sys/cdefs.h>
				__FBSDID("$FreeBSD: head/sys/arm/versatile/versatile_machdep.c 274668 2014-11-18 17:06:56Z imp $");

				#include <sys/param.h>
				#include <sys/systm.h>
				#include <sys/bus.h>
				#include <sys/devmap.h>
				#include <sys/kernel.h>
				#include <sys/lock.h>
				#include <sys/mutex.h>
				#include <sys/smp.h>

				#include <vm/vm.h>

				#include <machine/bus.h>
				#include <machine/platform.h>
				#include <machine/platformvar.h>
				#include <machine/cpu.h>
				#include <machine/cpu-v6.h>
				#include <machine/smp.h>
				#include <machine/fdt.h>
				#include <machine/intr.h>

				#include <vm/pmap.h>

				#include "fvp_ve-cortex_a15x1_semihosting.h"

				#include "platform_if.h"

				#define FVP_RESET_PORT 0x1c090100

				#ifdef EARLY_PRINTF
				static void
				eputc(int c)
				{
				char str[2];
				str[0] = c;
				str[1] = 0;

				__semi_call(SYS_WRITE0, str);
				}
				early_putc_t * early_putc = eputc;
				#endif

				static int
				fvp_devmap_init(platform_t plat)
				{
				/* UART0 (PL011) */
				devmap_add_entry(0x1c090000, 0x4000);
				return (0);
				}

				static void
				fvp_cpu_reset(platform_t plat)
				{
				int reset_port = (int) pmap_mapdev(FVP_RESET_PORT, 0x1000);
				((char ) reset_port) = 'r';
				printf("Reset failed!\n");
				while (1);
				}

				static platform_method_t fvp_methods[] = {
				PLATFORMMETHOD(platform_devmap_init, fvp_devmap_init),
				PLATFORMMETHOD(platform_cpu_reset, fvp_cpu_reset),
				PLATFORMMETHOD_END,
				};
				FDT_PLATFORM_DEF(fvp, "fvp", 0, "arm,fvp_ve,cortex_a15x1", 1);