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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_pmax.c,v 1.13 2006/06/24 10:19:19 debug Exp $ |
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* |
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* DECstation ("PMAX") machine description. |
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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 "cpu.h" |
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#include "device.h" |
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#include "devices.h" |
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#include "diskimage.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 "dec_prom.h" |
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#include "dec_bootinfo.h" |
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#include "dec_5100.h" |
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#include "dec_kn01.h" |
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#include "dec_kn02.h" |
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#include "dec_kn03.h" |
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#include "dec_kmin.h" |
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#include "dec_maxine.h" |
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|
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#define BOOTARG_BUFLEN 2000 |
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|
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|
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MACHINE_SETUP(pmax) |
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{ |
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char *framebuffer_console_name, *serial_console_name, *init_bootpath; |
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int color_fb_flag, i; |
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int boot_scsi_boardnumber = 3, boot_net_boardnumber = 3; |
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char *turbochannel_default_gfx_card = "PMAG-BA"; |
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/* PMAG-AA, -BA, -CA/DA/EA/FA, -JA, -RO, PMAGB-BA */ |
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struct xx { |
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struct btinfo_magic a; |
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struct btinfo_bootpath b; |
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struct btinfo_symtab c; |
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} xx; |
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char tmpstr[1000]; |
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struct vfb_data *fb; |
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struct memory *mem = machine->memory; |
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uint64_t addr; |
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|
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cpu->byte_order = EMUL_LITTLE_ENDIAN; |
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|
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/* An R2020 or R3220 memory thingy: */ |
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cpu->cd.mips.coproc[3] = mips_coproc_new(cpu, 3); |
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|
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/* There aren't really any good standard values... */ |
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framebuffer_console_name = "osconsole=0,3"; |
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serial_console_name = "osconsole=1"; |
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|
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switch (machine->machine_subtype) { |
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|
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case MACHINE_DEC_PMAX_3100: /* type 1, KN01 */ |
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/* Supposed to have 12MHz or 16.67MHz R2000 CPU, R2010 FPC, |
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R2020 Memory coprocessor */ |
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machine->machine_name = "DEC PMAX 3100 (KN01)"; |
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|
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/* 12 MHz for 2100, 16.67 MHz for 3100 */ |
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if (machine->emulated_hz == 0) |
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machine->emulated_hz = 16670000; |
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|
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if (machine->physical_ram_in_mb > 24) |
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fprintf(stderr, "WARNING! Real DECstation 3100 machines" |
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" cannot have more than 24MB RAM.\n"); |
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|
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if ((machine->physical_ram_in_mb % 4) != 0) |
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fprintf(stderr, "WARNING! Real DECstation 3100 machines" |
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" have an integer multiple of 4 MBs of RAM.\n"); |
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|
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/* 1 for color, 0 for mono. TODO: command line option? */ |
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color_fb_flag = 1; |
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|
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/* |
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* According to NetBSD/pmax: |
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* |
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* pm0 at ibus0 addr 0xfc00000: 1024x864x1 (or x8 for color) |
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* dc0 at ibus0 addr 0x1c000000 |
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* le0 at ibus0 addr 0x18000000: address 00:00:00:00:00:00 |
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* sii0 at ibus0 addr 0x1a000000 |
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* mcclock0 at ibus0 addr 0x1d000000: mc146818 or compatible |
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* 0x1e000000 = system status and control register |
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*/ |
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fb = dev_fb_init(machine, mem, KN01_PHYS_FBUF_START, |
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color_fb_flag? VFB_DEC_VFB02 : VFB_DEC_VFB01, |
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0,0,0,0,0, color_fb_flag? "VFB02":"VFB01"); |
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dev_colorplanemask_init(mem, KN01_PHYS_COLMASK_START, |
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&fb->color_plane_mask); |
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dev_vdac_init(mem, KN01_SYS_VDAC, fb->rgb_palette, |
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color_fb_flag); |
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dev_le_init(machine, mem, KN01_SYS_LANCE, |
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KN01_SYS_LANCE_B_START, KN01_SYS_LANCE_B_END, |
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KN01_INT_LANCE, 4*1048576); |
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dev_sii_init(machine, mem, KN01_SYS_SII, KN01_SYS_SII_B_START, |
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KN01_SYS_SII_B_END, KN01_INT_SII); |
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dev_dc7085_init(machine, mem, KN01_SYS_DZ, KN01_INT_DZ, |
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machine->use_x11); |
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dev_mc146818_init(machine, mem, KN01_SYS_CLOCK, KN01_INT_CLOCK, |
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MC146818_DEC, 1); |
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dev_kn01_csr_init(mem, KN01_SYS_CSR, color_fb_flag); |
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|
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framebuffer_console_name = "osconsole=0,3"; /* fb,keyb */ |
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serial_console_name = "osconsole=3"; /* 3 */ |
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break; |
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|
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case MACHINE_DEC_3MAX_5000: /* type 2, KN02 */ |
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/* Supposed to have 25MHz R3000 CPU, R3010 FPC, */ |
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/* and a R3220 Memory coprocessor */ |
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machine->machine_name = "DECstation 5000/200 (3MAX, KN02)"; |
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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 = 25000000; |
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|
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if (machine->physical_ram_in_mb < 8) |
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fprintf(stderr, "WARNING! Real KN02 machines do not " |
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"have less than 8MB RAM. Continuing anyway.\n"); |
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if (machine->physical_ram_in_mb > 480) |
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fprintf(stderr, "WARNING! Real KN02 machines cannot " |
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"have more than 480MB RAM. Continuing anyway.\n"); |
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|
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/* An R3220 memory thingy: */ |
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cpu->cd.mips.coproc[3] = mips_coproc_new(cpu, 3); |
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|
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/* |
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* According to NetBSD/pmax: |
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* asc0 at tc0 slot 5 offset 0x0 |
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* le0 at tc0 slot 6 offset 0x0 |
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* ibus0 at tc0 slot 7 offset 0x0 |
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* dc0 at ibus0 addr 0x1fe00000 |
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* mcclock0 at ibus0 addr 0x1fe80000: mc146818 |
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* |
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* kn02 shared irq numbers (IP) are offset by +8 |
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* in the emulator |
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*/ |
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|
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/* KN02 interrupts: */ |
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machine->md_interrupt = kn02_interrupt; |
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|
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/* |
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* TURBOchannel slots 0, 1, and 2 are free for |
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* option cards. Let's put in zero or more graphics |
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* boards: |
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* |
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* TODO: It's also possible to have larger graphics |
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* cards that occupy several slots. How to solve |
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* this nicely? |
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*/ |
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dev_turbochannel_init(machine, mem, 0, |
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KN02_PHYS_TC_0_START, KN02_PHYS_TC_0_END, |
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machine->n_gfx_cards >= 1? |
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turbochannel_default_gfx_card : "", |
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KN02_IP_SLOT0 +8); |
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|
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dev_turbochannel_init(machine, mem, 1, |
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KN02_PHYS_TC_1_START, KN02_PHYS_TC_1_END, |
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machine->n_gfx_cards >= 2? |
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turbochannel_default_gfx_card : "", |
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KN02_IP_SLOT1 +8); |
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|
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dev_turbochannel_init(machine, mem, 2, |
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KN02_PHYS_TC_2_START, KN02_PHYS_TC_2_END, |
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machine->n_gfx_cards >= 3? |
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turbochannel_default_gfx_card : "", |
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KN02_IP_SLOT2 +8); |
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|
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/* TURBOchannel slots 3 and 4 are reserved. */ |
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|
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/* TURBOchannel slot 5 is PMAZ-AA ("asc" SCSI). */ |
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dev_turbochannel_init(machine, mem, 5, |
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KN02_PHYS_TC_5_START, KN02_PHYS_TC_5_END, |
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"PMAZ-AA", KN02_IP_SCSI +8); |
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|
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/* TURBOchannel slot 6 is PMAD-AA ("le" ethernet). */ |
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dev_turbochannel_init(machine, mem, 6, |
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KN02_PHYS_TC_6_START, KN02_PHYS_TC_6_END, |
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"PMAD-AA", KN02_IP_LANCE +8); |
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|
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/* TURBOchannel slot 7 is system stuff. */ |
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machine->main_console_handle = |
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dev_dc7085_init(machine, mem, |
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KN02_SYS_DZ, KN02_IP_DZ +8, machine->use_x11); |
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dev_mc146818_init(machine, mem, |
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KN02_SYS_CLOCK, KN02_INT_CLOCK, MC146818_DEC, 1); |
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|
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machine->md_int.kn02_csr = |
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dev_kn02_init(cpu, mem, KN02_SYS_CSR); |
220 |
|
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framebuffer_console_name = "osconsole=0,7"; |
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/* fb,keyb */ |
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serial_console_name = "osconsole=2"; |
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boot_scsi_boardnumber = 5; |
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boot_net_boardnumber = 6; /* TODO: 3? */ |
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break; |
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|
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case MACHINE_DEC_3MIN_5000: /* type 3, KN02BA */ |
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machine->machine_name = "DECstation 5000/112 or 145 (3MIN," |
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" KN02BA)"; |
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if (machine->emulated_hz == 0) |
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machine->emulated_hz = 33000000; |
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if (machine->physical_ram_in_mb > 128) |
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fprintf(stderr, "WARNING! Real 3MIN machines cannot " |
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"have more than 128MB RAM. Continuing anyway.\n"); |
236 |
|
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/* KMIN interrupts: */ |
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machine->md_interrupt = kmin_interrupt; |
239 |
|
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/* |
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* tc0 at mainbus0: 12.5 MHz clock (0x10000000,slotsize=64MB) |
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* tc slot 1: 0x14000000 |
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* tc slot 2: 0x18000000 |
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* ioasic0 at tc0 slot 3 offset 0x0 (0x1c000000) slot 0 |
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* asic regs (0x1c040000) slot 1 |
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* station's ether address (0x1c080000) slot 2 |
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* le0 at ioasic0 offset 0xc0000: address 00:00:00:00:00:00 |
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* (0x1c0c0000) slot 3 |
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* scc0 at ioasic0 offset 0x100000 (0x1c100000) slot 4 |
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* scc1 at ioasic0 offset 0x180000: console(0x1c180000) slot 6 |
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* mcclock0 at ioasic0 offset 0x200000: mc146818 or |
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* compatible (0x1c200000) slot 8 |
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* asc0 at ioasic0 offset 0x300000: NCR53C94, 25MHz, |
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* SCSI ID 7 (0x1c300000) slot 12 |
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* dma for asc0 (0x1c380000) slot 14 |
256 |
*/ |
257 |
machine->md_int.dec_ioasic_data = dev_dec_ioasic_init(cpu, |
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mem, 0x1c000000, 0); |
259 |
dev_le_init(machine, mem, 0x1c0c0000, 0, 0, KMIN_INTR_LANCE + 8, |
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4 * 65536); |
261 |
dev_scc_init(machine, mem, 0x1c100000, KMIN_INTR_SCC_0 + 8, |
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machine->use_x11, 0, 1); |
263 |
dev_scc_init(machine, mem, 0x1c180000, KMIN_INTR_SCC_1 + 8, |
264 |
machine->use_x11, 1, 1); |
265 |
dev_mc146818_init(machine, mem, 0x1c200000, KMIN_INTR_CLOCK + 8, |
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MC146818_DEC, 1); |
267 |
dev_asc_init(machine, mem, 0x1c300000, KMIN_INTR_SCSI +8, |
268 |
NULL, DEV_ASC_DEC, NULL, NULL); |
269 |
|
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/* |
271 |
* TURBOchannel slots 0, 1, and 2 are free for |
272 |
* option cards. These are by default filled with |
273 |
* zero or more graphics boards. |
274 |
* |
275 |
* TODO: irqs |
276 |
*/ |
277 |
dev_turbochannel_init(machine, mem, 0, 0x10000000, 0x103fffff, |
278 |
machine->n_gfx_cards >= 1? |
279 |
turbochannel_default_gfx_card : "", KMIN_INT_TC0); |
280 |
|
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dev_turbochannel_init(machine, mem, 1, 0x14000000, 0x143fffff, |
282 |
machine->n_gfx_cards >= 2? |
283 |
turbochannel_default_gfx_card : "", KMIN_INT_TC1); |
284 |
|
285 |
dev_turbochannel_init(machine, mem, 2, 0x18000000, 0x183fffff, |
286 |
machine->n_gfx_cards >= 3? |
287 |
turbochannel_default_gfx_card : "", KMIN_INT_TC2); |
288 |
|
289 |
/* (kmin shared irq numbers (IP) are offset by +8 in the |
290 |
emulator) */ |
291 |
/* kmin_csr = dev_kmin_init(cpu, mem, KMIN_REG_INTR); */ |
292 |
|
293 |
framebuffer_console_name = "osconsole=0,3"; /* fb,keyb(?) */ |
294 |
serial_console_name = "osconsole=3"; /* ? */ |
295 |
break; |
296 |
|
297 |
case MACHINE_DEC_3MAXPLUS_5000: /* type 4, KN03 */ |
298 |
machine->machine_name = "DECsystem 5900 or 5000 (3MAX+) (KN03)"; |
299 |
|
300 |
/* 5000/240 (KN03-GA, R3000): 40 MHz */ |
301 |
/* 5000/260 (KN05-NB, R4000): 60 MHz */ |
302 |
/* TODO: are both these type 4? */ |
303 |
if (machine->emulated_hz == 0) |
304 |
machine->emulated_hz = 40000000; |
305 |
if (machine->physical_ram_in_mb > 480) |
306 |
fprintf(stderr, "WARNING! Real KN03 machines cannot " |
307 |
"have more than 480MB RAM. Continuing anyway.\n"); |
308 |
|
309 |
/* KN03 interrupts: */ |
310 |
machine->md_interrupt = kn03_interrupt; |
311 |
|
312 |
/* |
313 |
* tc0 at mainbus0: 25 MHz clock (slot 0) (0x1e000000) |
314 |
* tc0 slot 1 (0x1e800000) |
315 |
* tc0 slot 2 (0x1f000000) |
316 |
* ioasic0 at tc0 slot 3 offset 0x0 (0x1f800000) |
317 |
* something that has to do with interrupts? (?)(0x1f840000?) |
318 |
* le0 at ioasic0 offset 0xc0000 (0x1f8c0000) |
319 |
* scc0 at ioasic0 offset 0x100000 (0x1f900000) |
320 |
* scc1 at ioasic0 offset 0x180000: console (0x1f980000) |
321 |
* mcclock0 at ioasic0 offset 0x200000: mc146818 or |
322 |
* compatible (0x1fa00000) |
323 |
* asc0 at ioasic0 offset 0x300000: NCR53C94, 25MHz, |
324 |
* SCSI ID 7 (0x1fb00000) |
325 |
*/ |
326 |
machine->md_int.dec_ioasic_data = dev_dec_ioasic_init(cpu, |
327 |
mem, 0x1f800000, 0); |
328 |
|
329 |
dev_le_init(machine, mem, KN03_SYS_LANCE, 0, 0, |
330 |
KN03_INTR_LANCE +8, 4 * 65536); |
331 |
|
332 |
machine->md_int.dec_ioasic_data->dma_func[3] = |
333 |
dev_scc_dma_func; |
334 |
machine->md_int.dec_ioasic_data->dma_func_extra[2] = |
335 |
dev_scc_init(machine, mem, KN03_SYS_SCC_0, |
336 |
KN03_INTR_SCC_0 +8, machine->use_x11, 0, 1); |
337 |
machine->md_int.dec_ioasic_data->dma_func[2] = |
338 |
dev_scc_dma_func; |
339 |
machine->md_int.dec_ioasic_data->dma_func_extra[3] = |
340 |
dev_scc_init(machine, mem, KN03_SYS_SCC_1, |
341 |
KN03_INTR_SCC_1 +8, machine->use_x11, 1, 1); |
342 |
|
343 |
dev_mc146818_init(machine, mem, KN03_SYS_CLOCK, KN03_INT_RTC, |
344 |
MC146818_DEC, 1); |
345 |
dev_asc_init(machine, mem, KN03_SYS_SCSI, |
346 |
KN03_INTR_SCSI +8, NULL, DEV_ASC_DEC, NULL, NULL); |
347 |
|
348 |
/* |
349 |
* TURBOchannel slots 0, 1, and 2 are free for |
350 |
* option cards. These are by default filled with |
351 |
* zero or more graphics boards. |
352 |
* |
353 |
* TODO: irqs |
354 |
*/ |
355 |
dev_turbochannel_init(machine, mem, 0, |
356 |
KN03_PHYS_TC_0_START, KN03_PHYS_TC_0_END, |
357 |
machine->n_gfx_cards >= 1? |
358 |
turbochannel_default_gfx_card : "", |
359 |
KN03_INTR_TC_0 +8); |
360 |
|
361 |
dev_turbochannel_init(machine, mem, 1, |
362 |
KN03_PHYS_TC_1_START, KN03_PHYS_TC_1_END, |
363 |
machine->n_gfx_cards >= 2? |
364 |
turbochannel_default_gfx_card : "", |
365 |
KN03_INTR_TC_1 +8); |
366 |
|
367 |
dev_turbochannel_init(machine, mem, 2, |
368 |
KN03_PHYS_TC_2_START, KN03_PHYS_TC_2_END, |
369 |
machine->n_gfx_cards >= 3? |
370 |
turbochannel_default_gfx_card : "", |
371 |
KN03_INTR_TC_2 +8); |
372 |
|
373 |
/* TODO: interrupts */ |
374 |
/* shared (turbochannel) interrupts are +8 */ |
375 |
|
376 |
framebuffer_console_name = "osconsole=0,3"; /* fb,keyb(?) */ |
377 |
serial_console_name = "osconsole=3"; /* ? */ |
378 |
break; |
379 |
|
380 |
case MACHINE_DEC_5800: /* type 5, KN5800 */ |
381 |
machine->machine_name = "DECsystem 5800"; |
382 |
|
383 |
/* TODO: this is incorrect, banks multiply by 8 etc */ |
384 |
if (machine->physical_ram_in_mb < 48) |
385 |
fprintf(stderr, "WARNING! 5800 will probably not run " |
386 |
"with less than 48MB RAM. Continuing anyway.\n"); |
387 |
|
388 |
/* |
389 |
* According to |
390 |
* http://www2.no.netbsd.org/Ports/pmax/models.html, |
391 |
* the 5800-series is based on VAX 6000/300. |
392 |
*/ |
393 |
|
394 |
/* |
395 |
* Ultrix might support SMP on this machine type. |
396 |
* |
397 |
* Something at 0x10000000. |
398 |
* ssc serial console at 0x10140000, interrupt 2 (shared |
399 |
* with XMI?). |
400 |
* xmi 0 at address 0x11800000 (node x at offset x*0x80000) |
401 |
* Clock uses interrupt 3 (shared with XMI?). |
402 |
*/ |
403 |
|
404 |
machine->md_int.dec5800_csr = dev_dec5800_init(machine, |
405 |
mem, 0x10000000); |
406 |
dev_decbi_init(mem, 0x10000000); |
407 |
dev_ssc_init(machine, mem, 0x10140000, 2, machine->use_x11, |
408 |
&machine->md_int.dec5800_csr->csr); |
409 |
dev_decxmi_init(mem, 0x11800000); |
410 |
dev_deccca_init(mem, DEC_DECCCA_BASEADDR); |
411 |
|
412 |
break; |
413 |
|
414 |
case MACHINE_DEC_5400: /* type 6, KN210 */ |
415 |
machine->machine_name = "DECsystem 5400 (KN210)"; |
416 |
/* |
417 |
* Misc. info from the KN210 manual: |
418 |
* |
419 |
* Interrupt lines: |
420 |
* irq5 fpu |
421 |
* irq4 halt |
422 |
* irq3 pwrfl -> mer1 -> mer0 -> wear |
423 |
* irq2 100 Hz -> birq7 |
424 |
* irq1 dssi -> ni -> birq6 |
425 |
* irq0 birq5 -> console -> timers -> birq4 |
426 |
* |
427 |
* Interrupt status register at 0x10048000. |
428 |
* Main memory error status register at 0x1008140. |
429 |
* Interval Timer Register (ITR) at 0x10084010. |
430 |
* Q22 stuff at 0x10088000 - 0x1008ffff. |
431 |
* TODR at 0x1014006c. |
432 |
* TCR0 (timer control register 0) 0x10140100. |
433 |
* TIR0 (timer interval register 0) 0x10140104. |
434 |
* TCR1 (timer control register 1) 0x10140110. |
435 |
* TIR1 (timer interval register 1) 0x10140114. |
436 |
* VRR0 (Vector Read Register 0) at 0x16000050. |
437 |
* VRR1 (Vector Read Register 1) at 0x16000054. |
438 |
* VRR2 (Vector Read Register 2) at 0x16000058. |
439 |
* VRR3 (Vector Read Register 3) at 0x1600005c. |
440 |
*/ |
441 |
/* ln (ethernet) at 0x10084x00 ? and 0x10120000 ? */ |
442 |
/* error registers (?) at 0x17000000 and 0x10080000 */ |
443 |
device_add(machine, "kn210 addr=0x10080000"); |
444 |
dev_ssc_init(machine, mem, 0x10140000, 0, |
445 |
machine->use_x11, NULL); /* TODO: not irq 0 */ |
446 |
break; |
447 |
|
448 |
case MACHINE_DEC_MAXINE_5000: /* type 7, KN02CA */ |
449 |
machine->machine_name = "Personal DECstation 5000/xxx " |
450 |
"(MAXINE) (KN02CA)"; |
451 |
if (machine->emulated_hz == 0) |
452 |
machine->emulated_hz = 33000000; |
453 |
|
454 |
if (machine->physical_ram_in_mb < 8) |
455 |
fprintf(stderr, "WARNING! Real KN02CA machines do not " |
456 |
"have less than 8MB RAM. Continuing anyway.\n"); |
457 |
if (machine->physical_ram_in_mb > 40) |
458 |
fprintf(stderr, "WARNING! Real KN02CA machines cannot " |
459 |
"have more than 40MB RAM. Continuing anyway.\n"); |
460 |
|
461 |
/* Maxine interrupts: */ |
462 |
machine->md_interrupt = maxine_interrupt; |
463 |
|
464 |
/* |
465 |
* Something at address 0xca00000. (?) |
466 |
* Something at address 0xe000000. (?) |
467 |
* tc0 slot 0 (0x10000000) |
468 |
* tc0 slot 1 (0x14000000) |
469 |
* (tc0 slot 2 used by the framebuffer) |
470 |
* ioasic0 at tc0 slot 3 offset 0x0 (0x1c000000) |
471 |
* le0 at ioasic0 offset 0xc0000: address 00:00:00:00:00:00 |
472 |
* (0x1c0c0000) |
473 |
* scc0 at ioasic0 offset 0x100000: console <-- serial |
474 |
* (0x1c100000) |
475 |
* mcclock0 at ioasic0 offset 0x200000: mc146818 (0x1c200000) |
476 |
* isdn at ioasic0 offset 0x240000 not configured (0x1c240000) |
477 |
* bba0 at ioasic0 offset 0x240000 (audio0 at bba0) |
478 |
* ^--- which one of isdn and bba0? |
479 |
* dtop0 at ioasic0 offset 0x280000 (0x1c280000) |
480 |
* fdc at ioasic0 offset 0x2c0000 not configured |
481 |
* ^-- floppy (0x1c2c0000) |
482 |
* asc0 at ioasic0 offset 0x300000: NCR53C94, 25MHz, SCSI |
483 |
* ID 7 (0x1c300000) |
484 |
* xcfb0 at tc0 slot 2 offset 0x0: 1024x768x8 |
485 |
* built-in framebuffer (0xa000000) |
486 |
*/ |
487 |
machine->md_int.dec_ioasic_data = |
488 |
dev_dec_ioasic_init(cpu, mem, 0x1c000000, 0); |
489 |
|
490 |
/* TURBOchannel slots (0 and 1): */ |
491 |
dev_turbochannel_init(machine, mem, 0, |
492 |
0x10000000, 0x103fffff, |
493 |
machine->n_gfx_cards >= 2? |
494 |
turbochannel_default_gfx_card : "", |
495 |
XINE_INTR_TC_0 +8); |
496 |
dev_turbochannel_init(machine, mem, 1, |
497 |
0x14000000, 0x143fffff, |
498 |
machine->n_gfx_cards >= 3? |
499 |
turbochannel_default_gfx_card : "", |
500 |
XINE_INTR_TC_1 +8); |
501 |
|
502 |
/* |
503 |
* TURBOchannel slot 2 is hardwired to be used by |
504 |
* the framebuffer: (NOTE: 0x8000000, not 0x18000000) |
505 |
*/ |
506 |
dev_turbochannel_init(machine, mem, 2, |
507 |
0x8000000, 0xbffffff, "PMAG-DV", 0); |
508 |
|
509 |
/* |
510 |
* TURBOchannel slot 3: fixed, ioasic |
511 |
* (the system stuff), 0x1c000000 |
512 |
*/ |
513 |
dev_le_init(machine, mem, 0x1c0c0000, 0, 0, |
514 |
XINE_INTR_LANCE +8, 4*65536); |
515 |
dev_scc_init(machine, mem, 0x1c100000, |
516 |
XINE_INTR_SCC_0 +8, machine->use_x11, 0, 1); |
517 |
dev_mc146818_init(machine, mem, 0x1c200000, |
518 |
XINE_INT_TOY, MC146818_DEC, 1); |
519 |
dev_asc_init(machine, mem, 0x1c300000, |
520 |
XINE_INTR_SCSI +8, NULL, DEV_ASC_DEC, NULL, NULL); |
521 |
|
522 |
framebuffer_console_name = "osconsole=3,2"; /* keyb,fb? */ |
523 |
serial_console_name = "osconsole=3"; |
524 |
break; |
525 |
|
526 |
case MACHINE_DEC_5500: /* type 11, KN220 */ |
527 |
machine->machine_name = "DECsystem 5500 (KN220)"; |
528 |
|
529 |
/* |
530 |
* According to NetBSD's pmax ports page: |
531 |
* KN220-AA is a "30 MHz R3000 CPU with R3010 FPU" |
532 |
* with "512 kBytes of Prestoserve battery backed RAM." |
533 |
*/ |
534 |
if (machine->emulated_hz == 0) |
535 |
machine->emulated_hz = 30000000; |
536 |
|
537 |
/* |
538 |
* See KN220 docs for more info. |
539 |
* |
540 |
* something at 0x10000000 |
541 |
* something at 0x10001000 |
542 |
* something at 0x10040000 |
543 |
* scc at 0x10140000 |
544 |
* qbus at (or around) 0x10080000 |
545 |
* dssi (disk controller) buffers at 0x10100000, |
546 |
* registers at 0x10160000. |
547 |
* sgec (ethernet) registers at 0x10008000, station |
548 |
* addresss at 0x10120000. |
549 |
* asc (scsi) at 0x17100000. |
550 |
*/ |
551 |
|
552 |
dev_ssc_init(machine, mem, 0x10140000, 0, |
553 |
machine->use_x11, NULL); /* TODO: not irq 0 */ |
554 |
|
555 |
/* something at 0x17000000, ultrix says "cpu 0 panic: " |
556 |
"DS5500 I/O Board is missing" if this is not here */ |
557 |
dev_dec5500_ioboard_init(cpu, mem, 0x17000000); |
558 |
|
559 |
dev_sgec_init(mem, 0x10008000, 0); /* irq? */ |
560 |
|
561 |
/* The asc controller might be TURBOchannel-ish? */ |
562 |
#if 0 |
563 |
dev_turbochannel_init(machine, mem, 0, 0x17100000, |
564 |
0x171fffff, "PMAZ-AA", 0); /* irq? */ |
565 |
#else |
566 |
dev_asc_init(machine, mem, 0x17100000, 0, NULL, |
567 |
DEV_ASC_DEC, NULL, NULL); /* irq? */ |
568 |
#endif |
569 |
|
570 |
framebuffer_console_name = "osconsole=0,0"; /* TODO (?) */ |
571 |
serial_console_name = "osconsole=0"; |
572 |
break; |
573 |
|
574 |
case MACHINE_DEC_MIPSMATE_5100: /* type 12 */ |
575 |
machine->machine_name = "DEC MIPSMATE 5100 (KN230)"; |
576 |
|
577 |
if (machine->emulated_hz == 0) |
578 |
machine->emulated_hz = 20000000; |
579 |
|
580 |
if (machine->physical_ram_in_mb > 128) |
581 |
fprintf(stderr, "WARNING! Real MIPSMATE 5100 machines " |
582 |
"cannot have more than 128MB RAM. Continuing" |
583 |
" anyway.\n"); |
584 |
|
585 |
if (machine->use_x11) |
586 |
fprintf(stderr, "WARNING! Real MIPSMATE 5100 machines " |
587 |
"cannot have a graphical framebuffer. " |
588 |
"Continuing anyway.\n"); |
589 |
|
590 |
/* KN230 interrupts: */ |
591 |
machine->md_interrupt = kn230_interrupt; |
592 |
|
593 |
/* |
594 |
* According to NetBSD/pmax: |
595 |
* dc0 at ibus0 addr 0x1c000000 |
596 |
* le0 at ibus0 addr 0x18000000: address 00:00:00:00:00:00 |
597 |
* sii0 at ibus0 addr 0x1a000000 |
598 |
*/ |
599 |
dev_mc146818_init(machine, mem, KN230_SYS_CLOCK, 4, |
600 |
MC146818_DEC, 1); |
601 |
dev_dc7085_init(machine, mem, KN230_SYS_DZ0, |
602 |
KN230_CSR_INTR_DZ0, machine->use_x11);/* NOTE: CSR_INTR */ |
603 |
/* dev_dc7085_init(machine, mem, KN230_SYS_DZ1, |
604 |
KN230_CSR_INTR_OPT0, machine->use_x11); |
605 |
NOTE: CSR_INTR */ |
606 |
/* dev_dc7085_init(machine, mem, KN230_SYS_DZ2, |
607 |
KN230_CSR_INTR_OPT1, machine->use_x11); |
608 |
NOTE: CSR_INTR */ |
609 |
dev_le_init(machine, mem, KN230_SYS_LANCE, |
610 |
KN230_SYS_LANCE_B_START, KN230_SYS_LANCE_B_END, |
611 |
KN230_CSR_INTR_LANCE, 4*1048576); |
612 |
dev_sii_init(machine, mem, KN230_SYS_SII, |
613 |
KN230_SYS_SII_B_START, KN230_SYS_SII_B_END, |
614 |
KN230_CSR_INTR_SII); |
615 |
|
616 |
snprintf(tmpstr, sizeof(tmpstr), |
617 |
"kn230 addr=0x%"PRIx64, (uint64_t) KN230_SYS_ICSR); |
618 |
machine->md_int.kn230_csr = device_add(machine, tmpstr); |
619 |
|
620 |
serial_console_name = "osconsole=0"; |
621 |
break; |
622 |
|
623 |
default:fatal("Unknown DEC machine type: %i\n", |
624 |
machine->machine_subtype); |
625 |
exit(1); |
626 |
} |
627 |
|
628 |
/* |
629 |
* Most OSes on DECstation use physical addresses below |
630 |
* 0x20000000, but both OSF/1 and Sprite use 0xbe...... as if |
631 |
* it was 0x1e......, so we need this hack: |
632 |
*/ |
633 |
dev_ram_init(machine, 0xa0000000, 0x20000000, |
634 |
DEV_RAM_MIRROR | DEV_RAM_MIGHT_POINT_TO_DEVICES, 0x0); |
635 |
|
636 |
if (!machine->prom_emulation) |
637 |
return; |
638 |
|
639 |
|
640 |
/* DECstation PROM stuff: (TODO: endianness) */ |
641 |
for (i=0; i<150; i++) |
642 |
store_32bit_word(cpu, DEC_PROM_CALLBACK_STRUCT + i*4, |
643 |
DEC_PROM_EMULATION + i*8); |
644 |
|
645 |
/* Fill PROM with special "magic trap" instructions: */ |
646 |
for (i=0; i<150; i++) { |
647 |
store_32bit_word(cpu, DEC_PROM_EMULATION + i*8, |
648 |
0x00c0de0c); /* trap instruction */ |
649 |
store_32bit_word(cpu, DEC_PROM_EMULATION + i*8 + 4, |
650 |
0x00000000); /* nop */ |
651 |
} |
652 |
|
653 |
/* Jumptable at beginning of PROM: also "magic trap" instructions: */ |
654 |
for (i=0; i<0x180; i+=8) { |
655 |
store_32bit_word(cpu, 0xbfc00000 + i, |
656 |
0x00c0de0c); /* trap instruction */ |
657 |
store_32bit_word(cpu, 0xbfc00000 + i + 4, |
658 |
0x00000000); /* nop */ |
659 |
} |
660 |
|
661 |
|
662 |
/* |
663 |
* According to dec_prom.h from NetBSD: |
664 |
* |
665 |
* "Programs loaded by the new PROMs pass the following arguments: |
666 |
* a0 argc |
667 |
* a1 argv |
668 |
* a2 DEC_PROM_MAGIC |
669 |
* a3 The callback vector defined below" |
670 |
* |
671 |
* So we try to emulate a PROM, even though no such thing has been |
672 |
* loaded. |
673 |
*/ |
674 |
|
675 |
cpu->cd.mips.gpr[MIPS_GPR_A0] = 3; |
676 |
cpu->cd.mips.gpr[MIPS_GPR_A1] = DEC_PROM_INITIAL_ARGV; |
677 |
cpu->cd.mips.gpr[MIPS_GPR_A2] = DEC_PROM_MAGIC; |
678 |
cpu->cd.mips.gpr[MIPS_GPR_A3] = DEC_PROM_CALLBACK_STRUCT; |
679 |
|
680 |
store_32bit_word(cpu, INITIAL_STACK_POINTER + 0x10, BOOTINFO_MAGIC); |
681 |
store_32bit_word(cpu, INITIAL_STACK_POINTER + 0x14, BOOTINFO_ADDR); |
682 |
|
683 |
store_32bit_word(cpu, DEC_PROM_INITIAL_ARGV, |
684 |
(DEC_PROM_INITIAL_ARGV + 0x10)); |
685 |
store_32bit_word(cpu, DEC_PROM_INITIAL_ARGV+4, |
686 |
(DEC_PROM_INITIAL_ARGV + 0x70)); |
687 |
store_32bit_word(cpu, DEC_PROM_INITIAL_ARGV+8, |
688 |
(DEC_PROM_INITIAL_ARGV + 0xe0)); |
689 |
store_32bit_word(cpu, DEC_PROM_INITIAL_ARGV+12, 0); |
690 |
|
691 |
/* |
692 |
* NetBSD and Ultrix expect the boot args to be like this: |
693 |
* |
694 |
* "boot" "bootdev" [args?] |
695 |
* |
696 |
* where bootdev is supposed to be "rz(0,0,0)netbsd" for |
697 |
* 3100/2100 (although that crashes Ultrix :-/), and |
698 |
* "5/rz0a/netbsd" for all others. The number '5' is the |
699 |
* slot number of the boot device. |
700 |
* |
701 |
* 'rz' for disks, 'tz' for tapes. |
702 |
* |
703 |
* TODO: Make this nicer. |
704 |
*/ |
705 |
{ |
706 |
char bootpath[200]; |
707 |
#if 0 |
708 |
if (machine->machine_subtype == MACHINE_DEC_PMAX_3100) |
709 |
strlcpy(bootpath, "rz(0,0,0)", sizeof(bootpath)); |
710 |
else |
711 |
#endif |
712 |
strlcpy(bootpath, "5/rz1/", sizeof(bootpath)); |
713 |
|
714 |
if (machine->bootdev_id < 0 || machine->force_netboot) { |
715 |
/* tftp boot: */ |
716 |
strlcpy(bootpath, "5/tftp/", sizeof(bootpath)); |
717 |
bootpath[0] = '0' + boot_net_boardnumber; |
718 |
} else { |
719 |
/* disk boot: */ |
720 |
bootpath[0] = '0' + boot_scsi_boardnumber; |
721 |
if (diskimage_is_a_tape(machine, machine->bootdev_id, |
722 |
machine->bootdev_type)) |
723 |
bootpath[2] = 't'; |
724 |
bootpath[4] = '0' + machine->bootdev_id; |
725 |
} |
726 |
|
727 |
init_bootpath = bootpath; |
728 |
} |
729 |
|
730 |
machine->bootarg = malloc(BOOTARG_BUFLEN); |
731 |
if (machine->bootarg == NULL) { |
732 |
fprintf(stderr, "out of memory\n"); |
733 |
exit(1); |
734 |
} |
735 |
strlcpy(machine->bootarg, init_bootpath, BOOTARG_BUFLEN); |
736 |
if (strlcat(machine->bootarg, machine->boot_kernel_filename, |
737 |
BOOTARG_BUFLEN) > BOOTARG_BUFLEN) { |
738 |
fprintf(stderr, "bootarg truncated?\n"); |
739 |
exit(1); |
740 |
} |
741 |
|
742 |
machine->bootstr = "boot"; |
743 |
|
744 |
store_string(cpu, DEC_PROM_INITIAL_ARGV+0x10, machine->bootstr); |
745 |
store_string(cpu, DEC_PROM_INITIAL_ARGV+0x70, machine->bootarg); |
746 |
store_string(cpu, DEC_PROM_INITIAL_ARGV+0xe0, |
747 |
machine->boot_string_argument); |
748 |
|
749 |
/* Decrease the nr of args, if there are no args :-) */ |
750 |
if (machine->boot_string_argument == NULL || |
751 |
machine->boot_string_argument[0] == '\0') |
752 |
cpu->cd.mips.gpr[MIPS_GPR_A0] --; |
753 |
|
754 |
if (machine->boot_string_argument[0] != '\0') { |
755 |
strlcat(machine->bootarg, " ", BOOTARG_BUFLEN); |
756 |
if (strlcat(machine->bootarg, machine->boot_string_argument, |
757 |
BOOTARG_BUFLEN) >= BOOTARG_BUFLEN) { |
758 |
fprintf(stderr, "bootstr truncated?\n"); |
759 |
exit(1); |
760 |
} |
761 |
} |
762 |
|
763 |
xx.a.common.next = (char *)&xx.b - (char *)&xx; |
764 |
xx.a.common.type = BTINFO_MAGIC; |
765 |
xx.a.magic = BOOTINFO_MAGIC; |
766 |
|
767 |
xx.b.common.next = (char *)&xx.c - (char *)&xx.b; |
768 |
xx.b.common.type = BTINFO_BOOTPATH; |
769 |
strlcpy(xx.b.bootpath, machine->bootstr, sizeof(xx.b.bootpath)); |
770 |
|
771 |
xx.c.common.next = 0; |
772 |
xx.c.common.type = BTINFO_SYMTAB; |
773 |
xx.c.nsym = 0; |
774 |
xx.c.ssym = 0; |
775 |
xx.c.esym = machine->file_loaded_end_addr; |
776 |
|
777 |
store_buf(cpu, BOOTINFO_ADDR, (char *)&xx, sizeof(xx)); |
778 |
|
779 |
/* The system's memmap: */ |
780 |
machine->md.pmax.memmap = malloc(sizeof(struct dec_memmap)); |
781 |
if (machine->md.pmax.memmap == NULL) { |
782 |
fprintf(stderr, "out of memory\n"); |
783 |
exit(1); |
784 |
} |
785 |
store_32bit_word_in_host(cpu, |
786 |
(unsigned char *)&machine->md.pmax.memmap->pagesize, 4096); |
787 |
{ |
788 |
unsigned int i; |
789 |
for (i=0; i<sizeof(machine->md.pmax.memmap->bitmap); i++) |
790 |
machine->md.pmax.memmap->bitmap[i] = ((int)i * 4096*8 < |
791 |
1048576*machine->physical_ram_in_mb)? 0xff : 0x00; |
792 |
} |
793 |
store_buf(cpu, DEC_MEMMAP_ADDR, |
794 |
(char *)machine->md.pmax.memmap, sizeof(struct dec_memmap)); |
795 |
|
796 |
/* Environment variables: */ |
797 |
addr = DEC_PROM_STRINGS; |
798 |
|
799 |
if (machine->use_x11 && machine->n_gfx_cards > 0) |
800 |
/* (0,3) Keyboard and Framebuffer */ |
801 |
add_environment_string(cpu, framebuffer_console_name, &addr); |
802 |
else |
803 |
/* Serial console */ |
804 |
add_environment_string(cpu, serial_console_name, &addr); |
805 |
|
806 |
/* |
807 |
* The KN5800 (SMP system) uses a CCA (console communications |
808 |
* area): (See VAX 6000 documentation for details.) |
809 |
*/ |
810 |
{ |
811 |
char tmps[300]; |
812 |
snprintf(tmps, sizeof(tmps), "cca=%"PRIx32, |
813 |
(uint32_t) (DEC_DECCCA_BASEADDR + 0xa0000000ULL)); |
814 |
add_environment_string(cpu, tmps, &addr); |
815 |
} |
816 |
|
817 |
/* These are needed for Sprite to boot: */ |
818 |
{ |
819 |
char tmps[500]; |
820 |
|
821 |
snprintf(tmps, sizeof(tmps), "boot=%s", machine->bootarg); |
822 |
tmps[sizeof(tmps)-1] = '\0'; |
823 |
add_environment_string(cpu, tmps, &addr); |
824 |
|
825 |
snprintf(tmps, sizeof(tmps), "bitmap=0x%"PRIx32, (uint32_t) |
826 |
( (DEC_MEMMAP_ADDR + sizeof(uint32_t) /* skip the |
827 |
page size and point to the memmap */ |
828 |
) & 0xffffffffULL) ); |
829 |
tmps[sizeof(tmps)-1] = '\0'; |
830 |
add_environment_string(cpu, tmps, &addr); |
831 |
|
832 |
snprintf(tmps, sizeof(tmps), "bitmaplen=0x%"PRIx32, (uint32_t) |
833 |
( machine->physical_ram_in_mb * 1048576 / 4096 / 8) ); |
834 |
tmps[sizeof(tmps)-1] = '\0'; |
835 |
add_environment_string(cpu, tmps, &addr); |
836 |
} |
837 |
|
838 |
add_environment_string(cpu, "scsiid0=7", &addr); |
839 |
add_environment_string(cpu, "bootmode=a", &addr); |
840 |
add_environment_string(cpu, "testaction=q", &addr); |
841 |
add_environment_string(cpu, "haltaction=h", &addr); |
842 |
add_environment_string(cpu, "more=24", &addr); |
843 |
|
844 |
/* Used in at least Ultrix on the 5100: */ |
845 |
add_environment_string(cpu, "scsiid=7", &addr); |
846 |
add_environment_string(cpu, "baud0=9600", &addr); |
847 |
add_environment_string(cpu, "baud1=9600", &addr); |
848 |
add_environment_string(cpu, "baud2=9600", &addr); |
849 |
add_environment_string(cpu, "baud3=9600", &addr); |
850 |
add_environment_string(cpu, "iooption=0x1", &addr); |
851 |
|
852 |
/* The end: */ |
853 |
add_environment_string(cpu, "", &addr); |
854 |
} |
855 |
|
856 |
|
857 |
MACHINE_DEFAULT_CPU(pmax) |
858 |
{ |
859 |
if (machine->machine_subtype > 2) |
860 |
machine->cpu_name = strdup("R3000A"); |
861 |
|
862 |
if (machine->machine_subtype > 1 && machine->cpu_name == NULL) |
863 |
machine->cpu_name = strdup("R3000"); |
864 |
|
865 |
if (machine->cpu_name == NULL) |
866 |
machine->cpu_name = strdup("R2000"); |
867 |
} |
868 |
|
869 |
|
870 |
MACHINE_DEFAULT_RAM(pmax) |
871 |
{ |
872 |
switch (machine->machine_subtype) { |
873 |
case MACHINE_DEC_PMAX_3100: |
874 |
machine->physical_ram_in_mb = 24; |
875 |
break; |
876 |
case MACHINE_DEC_3MAX_5000: |
877 |
machine->physical_ram_in_mb = 64; |
878 |
break; |
879 |
default:machine->physical_ram_in_mb = 32; |
880 |
} |
881 |
} |
882 |
|
883 |
|
884 |
MACHINE_REGISTER(pmax) |
885 |
{ |
886 |
MR_DEFAULT(pmax, "DECstation/DECsystem", ARCH_MIPS, MACHINE_PMAX); |
887 |
|
888 |
machine_entry_add_alias(me, "decstation"); |
889 |
machine_entry_add_alias(me, "decsystem"); |
890 |
machine_entry_add_alias(me, "dec"); |
891 |
|
892 |
machine_entry_add_subtype(me, "DECstation 3100 (PMAX)", |
893 |
MACHINE_DEC_PMAX_3100, "pmax", "3100", "2100", NULL); |
894 |
|
895 |
machine_entry_add_subtype(me, "DECstation 5000/200 (3MAX)", |
896 |
MACHINE_DEC_3MAX_5000, "3max", "5000/200", NULL); |
897 |
|
898 |
machine_entry_add_subtype(me, "DECstation 5000/1xx (3MIN)", |
899 |
MACHINE_DEC_3MIN_5000, "3min", "5000/1xx", NULL); |
900 |
|
901 |
machine_entry_add_subtype(me, "DECstation 5000 (3MAXPLUS)", |
902 |
MACHINE_DEC_3MAXPLUS_5000, "3maxplus", "3max+", NULL); |
903 |
|
904 |
machine_entry_add_subtype(me, "DECsystem 58x0", |
905 |
MACHINE_DEC_5800, "5800", "58x0", NULL); |
906 |
|
907 |
machine_entry_add_subtype(me, "DECsystem 5400", |
908 |
MACHINE_DEC_5400, "5400", NULL); |
909 |
|
910 |
machine_entry_add_subtype(me, "DECstation Maxine (5000)", |
911 |
MACHINE_DEC_MAXINE_5000, "maxine", NULL); |
912 |
|
913 |
machine_entry_add_subtype(me, "DECsystem 5500", |
914 |
MACHINE_DEC_5500, "5500", NULL); |
915 |
|
916 |
machine_entry_add_subtype(me, "DECstation MipsMate (5100)", |
917 |
MACHINE_DEC_MIPSMATE_5100, "5100", "mipsmate", NULL); |
918 |
|
919 |
me->set_default_ram = machine_default_ram_pmax; |
920 |
} |
921 |
|