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dpavlin |
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/* |
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* Copyright (C) 2006-2007 Anders Gavare. All rights reserved. |
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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 are met: |
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* |
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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. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR 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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* |
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dpavlin |
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* $Id: machine_landisk.c,v 1.7 2007/03/08 10:01:50 debug Exp $ |
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dpavlin |
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* |
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dpavlin |
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* I-O DATA LANDISK USL-5P. |
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* |
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* This machine consists of: |
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* |
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* o) An SH4 processor, which includes serial console etc, |
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* o) an IDE controller at address 0x14000000, |
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* o) and a minimal SH-IPL+G PROM emulation layer (required to make |
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* OpenBSD/landisk boot). |
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dpavlin |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include "cpu.h" |
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#include "device.h" |
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#include "devices.h" |
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#include "machine.h" |
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#include "memory.h" |
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#include "misc.h" |
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dpavlin |
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#include "sh4_exception.h" |
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dpavlin |
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dpavlin |
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dpavlin |
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MACHINE_SETUP(landisk) |
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{ |
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dpavlin |
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char tmpstr[300]; |
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dpavlin |
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dpavlin |
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machine->machine_name = "Landisk USL-5P"; |
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/* 200 MHz SH4 CPU clock: */ |
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dpavlin |
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if (machine->emulated_hz == 0) |
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machine->emulated_hz = 200000000; |
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/* 50 MHz SH4 PCLOCK: */ |
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dpavlin |
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machine->cpus[machine->bootstrap_cpu]->cd.sh.pclock = 50000000; |
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dpavlin |
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dev_ram_init(machine, 0x0c000000, 64 * 1048576, DEV_RAM_RAM, 0x0); |
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dpavlin |
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/* wdc0 at obio0 port 0x14000000-0x1400000f irq 10 */ |
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snprintf(tmpstr, sizeof(tmpstr), "wdc irq=%s.cpu[%i].irq[0x%x]" |
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" addr_mult=2 addr=0x14000000", |
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machine->path, machine->bootstrap_cpu, SH4_INTEVT_IRQ10); |
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device_add(machine, tmpstr); |
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dpavlin |
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if (!machine->prom_emulation) |
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return; |
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dpavlin |
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/* |
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* Ugly hardcoded register contents at bootup: |
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* |
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* r4 (arg 0) = boot howto flags |
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* r5 (arg 1) = bootinfo pointer for NetBSD (?) and |
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* symbol end pointer for OpenBSD (?) |
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* |
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* TODO: Make nicer. |
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*/ |
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cpu->cd.sh.r[4] = 0; |
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cpu->cd.sh.r[5] = 0x8c000000 + 8 * 1048576; /* Note/TODO: |
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Assuming hardcoded 8 MB kernel size! */ |
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sh_ipl_g_emul_init(machine); |
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dpavlin |
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} |
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MACHINE_DEFAULT_CPU(landisk) |
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{ |
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dpavlin |
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/* Hitachi SH4 7751R, 200 MHz */ |
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machine->cpu_name = strdup("SH7751R"); |
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dpavlin |
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} |
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MACHINE_DEFAULT_RAM(landisk) |
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{ |
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/* Note: This is the size of the boot ROM area, since the |
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Landisk's RAM isn't located at physical address zero. */ |
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machine->physical_ram_in_mb = 2; |
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} |
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MACHINE_REGISTER(landisk) |
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{ |
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MR_DEFAULT(landisk, "Landisk", ARCH_SH, MACHINE_LANDISK); |
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me->set_default_ram = machine_default_ram_landisk; |
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machine_entry_add_alias(me, "landisk"); |
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} |
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