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/* |
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* Copyright (C) 2005-2006 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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* $Id: machine_cats.c,v 1.5 2006/06/24 10:19:19 debug Exp $ |
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*/ |
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|
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#include <stdio.h> |
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#include <string.h> |
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|
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#include "bus_isa.h" |
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#include "bus_pci.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 "machine_interrupts.h" |
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#include "memory.h" |
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#include "misc.h" |
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|
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#include "cyclone_boot.h" |
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|
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|
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MACHINE_SETUP(cats) |
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{ |
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struct ebsaboot ebsaboot; |
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char bs[300]; |
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int boot_id = machine->bootdev_id >= 0? machine->bootdev_id : 0; |
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|
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machine->machine_name = "CATS evaluation board"; |
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machine->stable = 1; |
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|
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if (machine->emulated_hz == 0) |
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machine->emulated_hz = 50000000; |
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|
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if (machine->physical_ram_in_mb > 256) |
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fprintf(stderr, "WARNING! Real CATS machines cannot" |
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" have more than 256 MB RAM. Continuing anyway.\n"); |
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|
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machine->md_int.footbridge_data = |
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device_add(machine, "footbridge addr=0x42000000"); |
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machine->md_interrupt = isa32_interrupt; |
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machine->isa_pic_data.native_irq = 10; |
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|
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/* DC21285_ROM_BASE (256 KB at 0x41000000) */ |
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dev_ram_init(machine, 0x41000000, 256 * 1024, DEV_RAM_RAM, 0); |
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|
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/* NetBSD, OpenBSD, and Linux (?) clean their caches here: */ |
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dev_ram_init(machine, 0x50000000, 0x10000, DEV_RAM_RAM, 0); |
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|
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/* Interrupt ack space? */ |
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dev_ram_init(machine, 0x80000000, 0x1000, DEV_RAM_RAM, 0); |
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|
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/* Linux uses 0xc0000000 as phys.: */ |
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dev_ram_init(machine, 0xc0000000, 0x20000000, DEV_RAM_MIRROR, 0x0); |
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|
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/* OpenBSD reboot needs 0xf??????? to be mapped to phys.: */ |
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dev_ram_init(machine, 0xf0000000, 0x1000000, DEV_RAM_MIRROR, 0x0); |
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|
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bus_isa_init(machine, BUS_ISA_PCKBC_FORCE_USE | |
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BUS_ISA_PCKBC_NONPCSTYLE, 0x7c000000, 0x80000000, 32, 48); |
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|
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bus_pci_add(machine, machine->md_int.footbridge_data->pcibus, |
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machine->memory, 0xc0, 8, 0, "s3_virge"); |
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|
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if (!machine->prom_emulation) |
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return; |
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|
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/* See cyclone_boot.h for details. */ |
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|
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/* DC21285_ROM_BASE "reboot" code: (works with NetBSD) */ |
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store_32bit_word(cpu, 0x41000008ULL, 0xef8c64ebUL); |
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|
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cpu->cd.arm.r[0] = /* machine->physical_ram_in_mb */ |
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7 * 1048576 - 0x1000; |
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|
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memset(&ebsaboot, 0, sizeof(struct ebsaboot)); |
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store_32bit_word_in_host(cpu, (unsigned char *) |
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&(ebsaboot.bt_magic), BT_MAGIC_NUMBER_CATS); |
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store_32bit_word_in_host(cpu, (unsigned char *) |
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&(ebsaboot.bt_vargp), 0); |
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store_32bit_word_in_host(cpu, (unsigned char *) |
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&(ebsaboot.bt_pargp), 0); |
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store_32bit_word_in_host(cpu, (unsigned char *) |
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&(ebsaboot.bt_args), cpu->cd.arm.r[0] |
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+ sizeof(struct ebsaboot)); |
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store_32bit_word_in_host(cpu, (unsigned char *) |
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&(ebsaboot.bt_l1), 7 * 1048576 - 32768); |
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store_32bit_word_in_host(cpu, (unsigned char *) |
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&(ebsaboot.bt_memstart), 0); |
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store_32bit_word_in_host(cpu, (unsigned char *) |
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&(ebsaboot.bt_memend), |
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machine->physical_ram_in_mb * 1048576); |
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store_32bit_word_in_host(cpu, (unsigned char *) |
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&(ebsaboot.bt_memavail), 7 * 1048576); |
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store_32bit_word_in_host(cpu, (unsigned char *) |
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&(ebsaboot.bt_fclk), 50 * 1000000); |
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store_32bit_word_in_host(cpu, (unsigned char *) |
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&(ebsaboot.bt_pciclk), 66 * 1000000); |
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/* TODO: bt_vers */ |
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/* TODO: bt_features */ |
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|
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store_buf(cpu, cpu->cd.arm.r[0], |
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(char *)&ebsaboot, sizeof(struct ebsaboot)); |
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|
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snprintf(bs, sizeof(bs), "(hd%i)%s root=/dev/wd%i%s%s", |
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boot_id, machine->boot_kernel_filename, boot_id, |
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(machine->boot_string_argument[0])? " " : "", |
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machine->boot_string_argument); |
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|
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store_string(cpu, cpu->cd.arm.r[0]+sizeof(struct ebsaboot), bs); |
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|
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arm_setup_initial_translation_table(cpu, 7 * 1048576 - 32768); |
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} |
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|
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|
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MACHINE_DEFAULT_CPU(cats) |
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{ |
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machine->cpu_name = strdup("SA110"); |
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} |
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|
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|
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MACHINE_DEFAULT_RAM(cats) |
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{ |
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machine->physical_ram_in_mb = 64; |
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} |
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|
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|
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MACHINE_REGISTER(cats) |
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{ |
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MR_DEFAULT(cats, "CATS evaluation board", ARCH_ARM, |
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MACHINE_CATS); |
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|
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machine_entry_add_alias(me, "cats"); |
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|
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me->set_default_ram = machine_default_ram_cats; |
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} |
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|