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/* |
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* Copyright (C) 2005-2007 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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* $Id: machine_prep.c,v 1.17 2007/01/21 21:02:57 debug Exp $ |
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* |
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* Machines conforming to the PowerPC Reference Platform specs. |
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*/ |
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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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|
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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 "memory.h" |
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#include "misc.h" |
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|
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|
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|
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MACHINE_SETUP(prep) |
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{ |
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char tmpstr[300]; |
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|
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struct pci_data *pci_data; |
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char *model_name = ""; |
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|
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switch (machine->machine_subtype) { |
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|
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case MACHINE_PREP_IBM6050: |
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machine->machine_name = |
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"PowerPC Reference Platform, IBM 6050/6070"; |
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machine->stable = 1; |
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model_name = "IBM PPS Model 6050/6070 (E)"; |
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|
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if (machine->emulated_hz == 0) |
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machine->emulated_hz = 20000000; |
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|
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snprintf(tmpstr, sizeof(tmpstr), "prep irq=%s.cpu[%i]", |
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machine->path, machine->bootstrap_cpu); |
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device_add(machine, tmpstr); |
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|
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snprintf(tmpstr, sizeof(tmpstr), "eagle irq=%s.cpu[%i]", |
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machine->path, machine->bootstrap_cpu); |
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pci_data = device_add(machine, tmpstr); |
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|
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bus_pci_add(machine, pci_data, machine->memory, |
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0, 13, 0, "dec21143"); |
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|
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if (machine->use_x11) { |
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bus_pci_add(machine, pci_data, machine->memory, |
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0, 14, 0, "s3_virge"); |
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} |
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break; |
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|
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case MACHINE_PREP_MVME2400: |
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machine->machine_name = "PowerPC Reference Platform, MVME2400"; |
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|
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/* TODO: _EXACT_ model name for mvme2400? */ |
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model_name = "MOT MVME2400"; |
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|
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snprintf(tmpstr, sizeof(tmpstr), "prep irq=%s.cpu[%i]", |
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machine->path, machine->bootstrap_cpu); |
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device_add(machine, tmpstr); |
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|
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snprintf(tmpstr, sizeof(tmpstr), "eagle irq=%s.cpu[%i]", |
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machine->path, machine->bootstrap_cpu); |
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pci_data = device_add(machine, tmpstr); |
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|
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break; |
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|
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default:fatal("Unimplemented PReP machine subtype %i\n", |
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machine->machine_subtype); |
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exit(1); |
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} |
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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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/* Linux on PReP has 0xdeadc0de at address 0? (See |
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http://joshua.raleigh.nc.us/docs/linux-2.4.10_html/ |
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113568.html) */ |
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store_32bit_word(cpu, 0, 0xdeadc0de); |
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|
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/* |
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* r4 should point to first free byte after the loaded kernel. |
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* r6 should point to bootinfo. |
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*/ |
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cpu->cd.ppc.gpr[4] = 6 * 1048576; |
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cpu->cd.ppc.gpr[6] = machine->physical_ram_in_mb*1048576-0x8000; |
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|
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/* |
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* (See NetBSD's prep/include/bootinfo.h for details.) |
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* |
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* 32-bit "next" offset; |
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* 32-bit "type"; |
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* type-specific data... |
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*/ |
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|
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/* type: clock */ |
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store_32bit_word(cpu, cpu->cd.ppc.gpr[6]+ 0, 12); |
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store_32bit_word(cpu, cpu->cd.ppc.gpr[6]+ 4, 2); |
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store_32bit_word(cpu, cpu->cd.ppc.gpr[6]+ 8, machine->emulated_hz); |
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|
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/* type: console */ |
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store_32bit_word(cpu, cpu->cd.ppc.gpr[6]+12, 20); |
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store_32bit_word(cpu, cpu->cd.ppc.gpr[6]+16, 1); |
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store_buf(cpu, cpu->cd.ppc.gpr[6]+20, machine->use_x11? "vga":"com", 4); |
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store_32bit_word(cpu, cpu->cd.ppc.gpr[6]+24, 0x3f8);/* addr */ |
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store_32bit_word(cpu, cpu->cd.ppc.gpr[6]+28, 9600);/* speed */ |
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|
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/* type: residual */ |
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store_32bit_word(cpu, cpu->cd.ppc.gpr[6]+32, 0); |
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store_32bit_word(cpu, cpu->cd.ppc.gpr[6]+36, 0); |
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store_32bit_word(cpu, cpu->cd.ppc.gpr[6]+40,/* addr of data */ |
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cpu->cd.ppc.gpr[6] + 0x100); |
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|
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/* Residual data: (TODO) */ |
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store_32bit_word(cpu, cpu->cd.ppc.gpr[6]+0x100, 0x200); |
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store_string(cpu, cpu->cd.ppc.gpr[6]+0x100+0x8, model_name); |
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store_32bit_word(cpu, cpu->cd.ppc.gpr[6]+0x100+0x1f8, |
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machine->physical_ram_in_mb * 1048576); /* memsize */ |
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} |
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|
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|
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MACHINE_DEFAULT_CPU(prep) |
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{ |
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switch (machine->machine_subtype) { |
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|
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case MACHINE_PREP_IBM6050: |
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machine->cpu_name = strdup("PPC604"); |
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break; |
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|
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case MACHINE_PREP_MVME2400: |
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machine->cpu_name = strdup("PPC750"); |
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break; |
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|
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default:fatal("Unimplemented PReP machine subtype %i\n", |
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machine->machine_subtype); |
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exit(1); |
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} |
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} |
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|
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|
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MACHINE_DEFAULT_RAM(prep) |
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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(prep) |
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{ |
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MR_DEFAULT(prep, "PowerPC Reference Platform", ARCH_PPC, MACHINE_PREP); |
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|
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machine_entry_add_alias(me, "prep"); |
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me->set_default_ram = machine_default_ram_prep; |
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|
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machine_entry_add_subtype(me, "IBM 6050/6070", MACHINE_PREP_IBM6050, |
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"ibm6050", "ibm6070", NULL); |
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|
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machine_entry_add_subtype(me, "MVME2400", MACHINE_PREP_MVME2400, |
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"mvme2400", NULL); |
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} |
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