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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_macppc.c,v 1.5 2006/06/24 10:19:19 debug Exp $ |
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* |
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* NOTE: Currently, these are skeletons for generic PowerMac G3, G4, and G5 |
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* systems. They do not model real PowerMacs, but should be enough to |
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* begin experimenting with NetBSD/macppc and OpenBSD/macppc. |
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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 "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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#include "of.h" |
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|
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|
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MACHINE_SETUP(macppc) |
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{ |
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struct pci_data *pci_data; |
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struct vfb_data *fb; |
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uint64_t b, a; |
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int i; |
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|
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/* |
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* NetBSD/macppc (http://www.netbsd.org/Ports/macppc/) |
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* OpenBSD/macppc (http://www.openbsd.org/macppc.html) |
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*/ |
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machine->machine_name = "Macintosh (PPC)"; |
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if (machine->emulated_hz == 0) |
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machine->emulated_hz = 40000000; |
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|
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machine->md_int.gc_data = dev_gc_init(machine, machine->memory, |
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0xf3000000, 64); |
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machine->md_interrupt = gc_interrupt; |
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|
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pci_data = dev_uninorth_init(machine, machine->memory, 0xe2000000, |
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64 /* isa irq base */, 0 /* pci irq: TODO */); |
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|
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bus_pci_add(machine, pci_data, machine->memory, 0, 12, 0, "dec21143"); |
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bus_pci_add(machine, pci_data, machine->memory, 0, 15, 0, "gc_obio"); |
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|
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if (machine->use_x11) |
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bus_pci_add(machine, pci_data, machine->memory, 0, 16, 0, |
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"ati_radeon_9200_2"); |
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|
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machine->main_console_handle = (size_t)device_add(machine, |
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"z8530 addr=0xf3013000 irq=23 dma_irq=8 addr_mult=0x10"); |
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|
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fb = dev_fb_init(machine, machine->memory, 0xf1000000, |
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VFB_GENERIC | VFB_REVERSE_START, 1024,768, 1024,768, 8, "ofb"); |
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|
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device_add(machine, "hammerhead addr=0xf2800000"); |
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|
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device_add(machine, "adb addr=0xf3016000 irq=1"); |
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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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b = 8 * 1048576; a = b - 0x800; |
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|
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of_emul_init(machine, fb, 0xf1000000, 1024, 768); |
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of_emul_init_uninorth(machine); |
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|
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if (machine->use_x11) |
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of_emul_init_adb(machine); |
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else |
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of_emul_init_zs(machine); |
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|
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/* |
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* r3 = pointer to boot_args (for the Mach kernel). |
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* See http://darwinsource.opendarwin.org/10.3/ |
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* BootX-59/bootx.tproj/include.subproj/boot_args.h |
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* for more info. |
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*/ |
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cpu->cd.ppc.gpr[3] = a; |
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store_16bit_word(cpu, a + 0x0000, 1); /* revision */ |
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store_16bit_word(cpu, a + 0x0002, 2); /* version */ |
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store_buf(cpu, a + 0x0004, machine->boot_string_argument, 256); |
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/* 26 dram banks; "long base; long size" */ |
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store_32bit_word(cpu, a + 0x0104, 0); /* base */ |
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store_32bit_word(cpu, a + 0x0108, machine->physical_ram_in_mb |
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* 256); /* size (in pages) */ |
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for (i=8; i<26*8; i+= 4) |
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store_32bit_word(cpu, a + 0x0104 + i, 0); |
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a += (0x104 + 26 * 8); |
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/* Video info: */ |
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store_32bit_word(cpu, a+0, 0xf1000000); /* video base */ |
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store_32bit_word(cpu, a+4, 0); /* display code (?) */ |
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store_32bit_word(cpu, a+8, 1024); /* bytes per pixel row */ |
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store_32bit_word(cpu, a+12, 1024); /* width */ |
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store_32bit_word(cpu, a+16, 768); /* height */ |
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store_32bit_word(cpu, a+20, 8); /* pixel depth */ |
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a += 24; |
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store_32bit_word(cpu, a+0, 127); /* gestalt number (TODO) */ |
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store_32bit_word(cpu, a+4, 0); /* device tree pointer (TODO)*/ |
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store_32bit_word(cpu, a+8, 0); /* device tree length */ |
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store_32bit_word(cpu, a+12, b); /* last address of kernel data area */ |
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|
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/* r4 = "MOSX" (0x4D4F5358) */ |
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cpu->cd.ppc.gpr[4] = 0x4D4F5358; |
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|
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/* |
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* r5 = OpenFirmware entry point. NOTE: See |
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* cpu_ppc.c for the rest of this semi-ugly hack. |
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*/ |
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dev_ram_init(machine, cpu->cd.ppc.of_emul_addr, |
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0x1000, DEV_RAM_RAM, 0x0); |
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store_32bit_word(cpu, cpu->cd.ppc.of_emul_addr, |
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0x44ee0002); |
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cpu->cd.ppc.gpr[5] = cpu->cd.ppc.of_emul_addr; |
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|
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#if 0 |
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/* r6 = args */ |
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cpu->cd.ppc.gpr[1] -= 516; |
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cpu->cd.ppc.gpr[6] = cpu->cd.ppc.gpr[1] + 4; |
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store_string(cpu, cpu->cd.ppc.gpr[6], |
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machine->boot_string_argument); |
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/* should be something like '/controller/disk/bsd' */ |
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|
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/* r7 = length? TODO */ |
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cpu->cd.ppc.gpr[7] = 5; |
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#endif |
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} |
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|
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|
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MACHINE_DEFAULT_CPU(macppc) |
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{ |
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switch (machine->machine_subtype) { |
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case MACHINE_MACPPC_G3: |
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machine->cpu_name = strdup("PPC750"); |
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break; |
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case MACHINE_MACPPC_G4: |
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machine->cpu_name = strdup("MPC7400"); |
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break; |
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case MACHINE_MACPPC_G5: |
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machine->cpu_name = strdup("PPC970"); |
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break; |
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} |
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} |
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|
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|
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MACHINE_DEFAULT_RAM(macppc) |
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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(macppc) |
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{ |
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MR_DEFAULT(macppc, "Macintosh", ARCH_PPC, MACHINE_MACPPC); |
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|
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machine_entry_add_alias(me, "macppc"); |
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|
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machine_entry_add_subtype(me, "MacPPC G3", MACHINE_MACPPC_G3, |
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"g3", NULL); |
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|
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machine_entry_add_subtype(me, "MacPPC G4", MACHINE_MACPPC_G4, |
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"g4", NULL); |
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|
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machine_entry_add_subtype(me, "MacPPC G5", MACHINE_MACPPC_G5, |
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"g5", NULL); |
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|
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me->set_default_ram = machine_default_ram_macppc; |
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} |
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