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/* |
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* Copyright (C) 2003-2006 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_cobalt.c,v 1.3 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_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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|
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MACHINE_SETUP(cobalt) |
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{ |
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char tmpstr[500]; |
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struct pci_data *pci_data; |
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struct memory *mem = machine->memory; |
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|
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cpu->byte_order = EMUL_LITTLE_ENDIAN; |
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machine->machine_name = "Cobalt"; |
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machine->stable = 1; |
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|
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/* |
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* Interrupts seem to be the following: |
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* (according to http://www.funet.fi/pub/Linux/PEOPLE/Linus/v2.4/ |
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* patch-html/patch-2.4.19/linux-2.4.19_arch_mips_cobalt_irq.c.html) |
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* |
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* 2 Galileo chip (timer) |
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* 3 Tulip 0 + NCR SCSI |
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* 4 Tulip 1 |
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* 5 16550 UART (serial console) |
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* 6 VIA southbridge PIC |
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* 7 PCI (Note: Not used. The PCI controller |
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* interrupts at ISA interrupt 9.) |
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*/ |
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|
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/* ISA interrupt controllers: */ |
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snprintf(tmpstr, sizeof(tmpstr), "8259 irq=24 addr=0x10000020"); |
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machine->isa_pic_data.pic1 = device_add(machine, tmpstr); |
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snprintf(tmpstr, sizeof(tmpstr), "8259 irq=24 addr=0x100000a0"); |
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machine->isa_pic_data.pic2 = device_add(machine, tmpstr); |
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machine->md_interrupt = isa8_interrupt; |
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machine->isa_pic_data.native_irq = 6; |
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|
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dev_mc146818_init(machine, mem, 0x10000070, 0, MC146818_PC_CMOS, 4); |
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|
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machine->main_console_handle = (size_t) device_add(machine, |
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"ns16550 irq=5 addr=0x1c800000 name2=tty0 in_use=1"); |
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|
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/* TODO: bus_isa_init() ? */ |
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|
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#if 0 |
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device_add(machine, |
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"ns16550 irq=0 addr=0x1f000010 name2=tty1 in_use=0"); |
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#endif |
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|
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/* |
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* According to NetBSD/cobalt: |
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* |
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* pchb0 at pci0 dev 0 function 0: Galileo GT-64111 System Controller, |
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* rev 1 (NOTE: added by dev_gt_init()) |
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* tlp0 at pci0 dev 7 function 0: DECchip 21143 Ethernet, pass 4.1 |
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* Symbios Logic 53c860 (SCSI mass storage, revision 0x02) at pci0 |
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* dev 8 |
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* pcib0 at pci0 dev 9 function 0, VIA Technologies VT82C586 (Apollo |
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* VP) PCI-ISA Bridge, rev 37 |
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* pciide0 at pci0 dev 9 function 1: VIA Technologies VT82C586 (Apollo |
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* VP) ATA33 cr |
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* tlp1 at pci0 dev 12 function 0: DECchip 21143 Ethernet, pass 4.1 |
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* |
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* The PCI controller interrupts at ISA interrupt 9. |
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*/ |
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pci_data = dev_gt_init(machine, mem, 0x14000000, 2, 8 + 9, 11); |
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bus_pci_add(machine, pci_data, mem, 0, 7, 0, "dec21143"); |
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/* bus_pci_add(machine, pci_data, mem, 0, 8, 0, "symbios_860"); |
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PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_860 */ |
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bus_pci_add(machine, pci_data, mem, 0, 9, 0, "vt82c586_isa"); |
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bus_pci_add(machine, pci_data, mem, 0, 9, 1, "vt82c586_ide"); |
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bus_pci_add(machine, pci_data, mem, 0, 12, 0, "dec21143"); |
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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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|
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/* |
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* NetBSD/cobalt expects memsize in a0, but it seems that what |
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* it really wants is the end of memory + 0x80000000. |
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* |
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* The bootstring is stored 512 bytes before the end of |
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* physical ram. |
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*/ |
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cpu->cd.mips.gpr[MIPS_GPR_A0] = |
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machine->physical_ram_in_mb * 1048576 + 0xffffffff80000000ULL; |
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machine->bootstr = "root=/dev/hda1 ro"; |
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/* bootstr = "nfsroot=/usr/cobalt/"; */ |
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/* TODO: bootarg, and/or automagic boot device detection */ |
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store_string(cpu, cpu->cd.mips.gpr[MIPS_GPR_A0] - 512, |
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machine->bootstr); |
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} |
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|
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|
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MACHINE_DEFAULT_CPU(cobalt) |
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{ |
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machine->cpu_name = strdup("RM5200"); |
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} |
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|
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|
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MACHINE_REGISTER(cobalt) |
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{ |
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MR_DEFAULT(cobalt, "Cobalt", ARCH_MIPS, MACHINE_COBALT); |
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|
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machine_entry_add_alias(me, "cobalt"); |
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} |
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