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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_evbmips.c,v 1.7 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 <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 "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 "maltareg.h" |
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|
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|
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MACHINE_SETUP(evbmips) |
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{ |
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char tmpstr[1000]; |
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char tmps[50]; |
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uint64_t env, tmpptr; |
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struct pci_data *pci_data; |
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int i; |
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|
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/* See http://www.netbsd.org/Ports/evbmips/ for more info. */ |
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|
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switch (machine->machine_subtype) { |
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case MACHINE_EVBMIPS_MALTA: |
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case MACHINE_EVBMIPS_MALTA_BE: |
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cpu->byte_order = EMUL_LITTLE_ENDIAN; |
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machine->machine_name = "MALTA (evbmips, little endian)"; |
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machine->stable = 1; |
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|
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if (machine->machine_subtype == MACHINE_EVBMIPS_MALTA_BE) { |
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machine->machine_name = "MALTA (evbmips, big endian)"; |
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cpu->byte_order = EMUL_BIG_ENDIAN; |
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} |
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|
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machine->md_interrupt = isa8_interrupt; |
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machine->isa_pic_data.native_irq = 2; |
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|
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bus_isa_init(machine, 0, 0x18000000, 0x10000000, 8, 24); |
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|
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snprintf(tmpstr, sizeof(tmpstr), "ns16550 irq=4 addr=0x%x" |
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" name2=tty2 in_use=0", MALTA_CBUSUART); |
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device_add(machine, tmpstr); |
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|
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pci_data = dev_gt_init(machine, machine->memory, 0x1be00000, |
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8+9, 8+9, 120); |
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|
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if (machine->use_x11) { |
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if (strlen(machine->boot_string_argument) < 3) { |
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fatal("WARNING: remember to use -o 'console=" |
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"tty0' if you are emulating Linux. (Not" |
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" needed for NetBSD.)\n"); |
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} |
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bus_pci_add(machine, pci_data, machine->memory, |
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0, 8, 0, "s3_virge"); |
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} |
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|
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bus_pci_add(machine, pci_data, machine->memory, |
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0, 9, 0, "piix4_isa"); |
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bus_pci_add(machine, pci_data, machine->memory, |
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0, 9, 1, "piix4_ide"); |
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|
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device_add(machine, "malta_lcd addr=0x1f000400"); |
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break; |
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|
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case MACHINE_EVBMIPS_MESHCUBE: |
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machine->machine_name = "Meshcube"; |
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|
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/* See: http://mail-index.netbsd.org/port-evbmips/2006/ |
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02/23/0000.html */ |
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|
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if (machine->physical_ram_in_mb != 64) |
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fprintf(stderr, "WARNING! MeshCubes are supposed to " |
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"have exactly 64 MB RAM. Continuing anyway.\n"); |
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if (machine->use_x11) |
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fprintf(stderr, "WARNING! MeshCube with -X is " |
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"meaningless. Continuing anyway.\n"); |
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|
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/* First of all, the MeshCube has an Au1500 in it: */ |
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machine->md_interrupt = au1x00_interrupt; |
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machine->md_int.au1x00_ic_data = dev_au1x00_init(machine, |
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machine->memory); |
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|
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/* |
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* TODO: Which non-Au1500 devices, and at what addresses? |
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* |
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* "4G Systems MTX-1 Board" at ? |
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* 1017fffc, 14005004, 11700000, 11700008, 11900014, |
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* 1190002c, 11900100, 11900108, 1190010c, |
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* 10400040 - 10400074, |
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* 14001000 (possibly LCD?) |
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* 11100028 (possibly ttySx?) |
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* |
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* "usb_ohci=base:0x10100000,len:0x100000,irq:26" |
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*/ |
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|
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/* Linux reads this during startup... */ |
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device_add(machine, "random addr=0x1017fffc len=4"); |
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|
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break; |
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|
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case MACHINE_EVBMIPS_PB1000: |
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machine->machine_name = "PB1000 (evbmips)"; |
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cpu->byte_order = EMUL_BIG_ENDIAN; |
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|
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machine->md_interrupt = au1x00_interrupt; |
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machine->md_int.au1x00_ic_data = dev_au1x00_init(machine, |
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machine->memory); |
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/* TODO */ |
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break; |
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|
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default:fatal("Unimplemented EVBMIPS model.\n"); |
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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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/* NetBSD/evbmips wants these: (at least for Malta) */ |
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|
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/* a0 = argc */ |
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cpu->cd.mips.gpr[MIPS_GPR_A0] = 2; |
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|
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/* a1 = argv */ |
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cpu->cd.mips.gpr[MIPS_GPR_A1] = (int32_t)0x9fc01000; |
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store_32bit_word(cpu, (int32_t)0x9fc01000, 0x9fc01040); |
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store_32bit_word(cpu, (int32_t)0x9fc01004, 0x9fc01200); |
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store_32bit_word(cpu, (int32_t)0x9fc01008, 0); |
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|
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machine->bootstr = strdup(machine->boot_kernel_filename); |
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machine->bootarg = strdup(machine->boot_string_argument); |
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store_string(cpu, (int32_t)0x9fc01040, machine->bootstr); |
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store_string(cpu, (int32_t)0x9fc01200, machine->bootarg); |
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|
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/* a2 = (yamon_env_var *)envp */ |
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cpu->cd.mips.gpr[MIPS_GPR_A2] = (int32_t)0x9fc01800; |
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|
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env = cpu->cd.mips.gpr[MIPS_GPR_A2]; |
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tmpptr = 0xffffffff9fc01c00ULL; |
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|
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snprintf(tmps, sizeof(tmps), "0x%08x", machine->physical_ram_in_mb<<20); |
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add_environment_string_dual(cpu, &env, &tmpptr, "memsize", tmps); |
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|
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add_environment_string_dual(cpu, &env, &tmpptr, "yamonrev", "02.06"); |
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|
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/* End of env: */ |
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tmpptr = 0; |
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add_environment_string_dual(cpu, |
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&env, &tmpptr, NULL, NULL); |
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|
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/* a3 = memsize */ |
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cpu->cd.mips.gpr[MIPS_GPR_A3] = machine->physical_ram_in_mb * 1048576; |
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/* Hm. Linux ignores a3. */ |
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|
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/* |
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* TODO: |
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* Core ID numbers. |
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* How much of this is not valid for PBxxxx? |
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* |
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* See maltareg.h for more info. |
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*/ |
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store_32bit_word(cpu, (int32_t)(0x80000000 + MALTA_REVISION), |
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(1 << 10) + 0x26); |
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|
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/* Call vectors at 0x9fc005xx: */ |
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for (i=0; i<0x100; i+=4) |
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store_32bit_word(cpu, (int64_t)(int32_t)0x9fc00500 + i, |
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(int64_t)(int32_t)0x9fc00800 + i); |
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|
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/* "Magic trap" PROM instructions at 0x9fc008xx: */ |
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for (i=0; i<0x100; i+=4) |
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store_32bit_word(cpu, (int64_t)(int32_t)0x9fc00800 + i, |
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0x00c0de0c); |
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} |
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|
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|
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MACHINE_DEFAULT_CPU(evbmips) |
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{ |
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switch (machine->machine_subtype) { |
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case MACHINE_EVBMIPS_MALTA: |
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case MACHINE_EVBMIPS_MALTA_BE: |
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machine->cpu_name = strdup("5Kc"); |
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break; |
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case MACHINE_EVBMIPS_MESHCUBE: |
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machine->cpu_name = strdup("AU1500"); |
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break; |
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case MACHINE_EVBMIPS_PB1000: |
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machine->cpu_name = strdup("AU1000"); |
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break; |
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default:fatal("Unimplemented evbmips subtype.\n"); |
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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(evbmips) |
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{ |
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/* MeshCube is always (?) 64 MB, and the others work fine |
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with 64 MB too. */ |
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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(evbmips) |
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{ |
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MR_DEFAULT(evbmips, "MIPS evaluation boards (evbmips)", |
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ARCH_MIPS, MACHINE_EVBMIPS); |
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|
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machine_entry_add_alias(me, "evbmips"); |
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|
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machine_entry_add_subtype(me, "Malta", MACHINE_EVBMIPS_MALTA, |
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"malta", NULL); |
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|
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machine_entry_add_subtype(me, "Malta (Big-Endian)", |
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MACHINE_EVBMIPS_MALTA_BE, "maltabe", NULL); |
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|
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machine_entry_add_subtype(me, "MeshCube", MACHINE_EVBMIPS_MESHCUBE, |
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"meshcube", NULL); |
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|
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machine_entry_add_subtype(me, "PB1000", MACHINE_EVBMIPS_PB1000, |
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"pb1000", NULL); |
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|
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me->set_default_ram = machine_default_ram_evbmips; |
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} |
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