139 lines
4.8 KiB
C
139 lines
4.8 KiB
C
/* $NetBSD: gemini.h,v 1.8 2008/12/06 05:22:39 cliff Exp $ */
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/*-
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* Copyright (c) 2008 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Matt Thomas <matt@3am-software.com>
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _EVBARM_GEMINI_GEMINI_H
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#define _EVBARM_GEMINI_GEMINI_H
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/*
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* sanity check opt_gemini.h
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*/
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#include "opt_gemini.h"
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#if !defined(GEMINI)
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# error must define GEMINI to use gemini.h
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#endif
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#if !defined(GEMINI_SINGLE) && !defined(GEMINI_MASTER) && !defined(GEMINI_SLAVE)
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# error must define one of GEMINI_SINGLE, GEMINI_MASTER, or GEMINI_SLAVE
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#endif
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#if defined(GEMINI_SINGLE)
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# if defined(GEMINI_MASTER) || defined(GEMINI_SLAVE)
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# error GEMINI_SINGLE can not define either GEMINI_MASTER or GEMINI_SLAVE
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# endif
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#else
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# if defined(GEMINI_MASTER) && defined(GEMINI_SLAVE)
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# error can not define both GEMINI_MASTER and GEMINI_SLAVE
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# endif
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#endif
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#include <machine/vmparam.h>
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#include <arm/gemini/gemini_reg.h>
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/*
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* Kernel VM space: 192MB at KERNEL_VM_BASE
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*/
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#define KERNEL_VM_BASE ((KERNEL_BASE + 0x01000000) & ~(0x400000-1))
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#define KERNEL_VM_SIZE 0x0C000000
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/*
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* We devmap IO starting at KERNEL_VM_BASE + KERNEL_VM_SIZE
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*/
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#define GEMINI_KERNEL_IO_VBASE (KERNEL_VM_BASE + KERNEL_VM_SIZE)
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#define GEMINI_GLOBAL_VBASE GEMINI_KERNEL_IO_VBASE
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#define GEMINI_WATCHDOG_VBASE (GEMINI_GLOBAL_VBASE + L1_S_SIZE)
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#define GEMINI_UART_VBASE (GEMINI_WATCHDOG_VBASE + L1_S_SIZE)
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#define GEMINI_LPCHC_VBASE (GEMINI_UART_VBASE + L1_S_SIZE)
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#define GEMINI_LPCIO_VBASE (GEMINI_LPCHC_VBASE + L1_S_SIZE)
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#define GEMINI_TIMER_VBASE (GEMINI_LPCIO_VBASE + L1_S_SIZE)
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#define GEMINI_DRAMC_VBASE (GEMINI_TIMER_VBASE + L1_S_SIZE)
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/*
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* mapping of physical RAM
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*/
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#define GEMINI_RAMDISK_VBASE (GEMINI_DRAMC_VBASE + L1_S_SIZE)
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#define GEMINI_RAMDISK_PBASE 0x00800000
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#define GEMINI_RAMDISK_SIZE 0x00300000
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#define GEMINI_RAMDISK_PEND (GEMINI_RAMDISK_PBASE + GEMINI_RAMDISK_SIZE)
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#define GEMINI_IPMQ_VBASE \
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((GEMINI_RAMDISK_VBASE + GEMINI_RAMDISK_SIZE \
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+ (L1_S_SIZE * 4) - 1) & ~((L1_S_SIZE * 4) - 1))
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/* round up for l2pt alignment */
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#ifdef GEMINI_SLAVE
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# define GEMINI_IPMQ_PBASE (GEMINI_RAMDISK_PEND + (GEMINI_BUSBASE * 1024 * 1024))
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#else
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# define GEMINI_IPMQ_PBASE GEMINI_RAMDISK_PEND
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#endif
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#if 0
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# define GEMINI_IPMQ_SIZE (2 * sizeof(ipm_queue_t))
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#else
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# define GEMINI_IPMQ_SIZE (2 * 4096)
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#endif
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#define GEMINI_IPMQ_PEND (GEMINI_IPMQ_PBASE + GEMINI_IPMQ_SIZE)
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/*
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* reserve physical RAM, as needed
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*
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* NOTE: the RAM used for the IPM queues is owned by the MASTER
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* so MASTER needs to reserve those pages from VM; the slave does not.
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* Hence, GEMINI_RAM_RESV_PEND is adjusted for the MASTER but not the SLAVE.
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*/
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#define GEMINI_RAM_RESV_PBASE 0
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#define GEMINI_RAM_RESV_PEND 0
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#if defined(MEMORY_DISK_DYNAMIC)
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# undef GEMINI_RAM_RESV_PBASE
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# undef GEMINI_RAM_RESV_PEND
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# define GEMINI_RAM_RESV_PBASE GEMINI_RAMDISK_PBASE
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# define GEMINI_RAM_RESV_PEND GEMINI_RAMDISK_PEND
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#endif
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#if (NGEMINIIPM > 0) && !defined(GEMINI_SLAVE)
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# if (NGEMINIIPM > 1)
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# error unexpected NGEMINIIPM > 1
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# endif
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# if (GEMINI_RAM_RESV_PBASE == 0)
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# undef GEMINI_RAM_RESV_PBASE
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# define GEMINI_RAM_RESV_PBASE GEMINI_IPMQ_PBASE
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# endif
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# undef GEMINI_RAM_RESV_PEND
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# define GEMINI_RAM_RESV_PEND GEMINI_IPMQ_PEND
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#endif
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/*
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* to map all of memory, including RAM owned by both core.
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* we start at nice round vbase to simplify conversion
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* from VA to PA and back
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*/
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#define GEMINI_ALLMEM_PBASE 0
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#define GEMINI_ALLMEM_VBASE 0xf0000000
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#define GEMINI_ALLMEM_SIZE 128 /* units of MB */
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#endif /* _EVBARM_GEMINI_GEMINI_H */
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