src/machines/machine_evbmips.c

/*
 *  Copyright (C) 2005-2006  Anders Gavare.  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright  
 *     notice, this list of conditions and the following disclaimer in the 
 *     documentation and/or other materials provided with the distribution.
 *  3. The name of the author may not be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 *  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 *  ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE   
 *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 *  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 *  OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 *  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 *  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 *  OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 *  SUCH DAMAGE.
 *   
 *
 *  $Id: machine_evbmips.c,v 1.7 2006/06/24 10:19:19 debug Exp $
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "bus_isa.h"
#include "bus_pci.h"
#include "cpu.h"
#include "device.h"
#include "devices.h"
#include "machine.h"
#include "machine_interrupts.h"
#include "memory.h"
#include "misc.h"

#include "maltareg.h"


MACHINE_SETUP(evbmips)
{
        char tmpstr[1000];
        char tmps[50];
        uint64_t env, tmpptr;
        struct pci_data *pci_data;
        int i;

        /*  See http://www.netbsd.org/Ports/evbmips/ for more info.  */

        switch (machine->machine_subtype) {
        case MACHINE_EVBMIPS_MALTA:
        case MACHINE_EVBMIPS_MALTA_BE:
                cpu->byte_order = EMUL_LITTLE_ENDIAN;
                machine->machine_name = "MALTA (evbmips, little endian)";
                machine->stable = 1;

                if (machine->machine_subtype == MACHINE_EVBMIPS_MALTA_BE) {
                        machine->machine_name = "MALTA (evbmips, big endian)";
                        cpu->byte_order = EMUL_BIG_ENDIAN;
                }

                machine->md_interrupt = isa8_interrupt;
                machine->isa_pic_data.native_irq = 2;

                bus_isa_init(machine, 0, 0x18000000, 0x10000000, 8, 24);

                snprintf(tmpstr, sizeof(tmpstr), "ns16550 irq=4 addr=0x%x"
                    " name2=tty2 in_use=0", MALTA_CBUSUART);
                device_add(machine, tmpstr);

                pci_data = dev_gt_init(machine, machine->memory, 0x1be00000,
                    8+9, 8+9, 120);

                if (machine->use_x11) {
                        if (strlen(machine->boot_string_argument) < 3) {
                                fatal("WARNING: remember to use  -o 'console="
                                    "tty0'  if you are emulating Linux. (Not"
                                    " needed for NetBSD.)\n");
                        }
                        bus_pci_add(machine, pci_data, machine->memory,
                            0, 8, 0, "s3_virge");
                }

                bus_pci_add(machine, pci_data, machine->memory,
                    0, 9, 0, "piix4_isa");
                bus_pci_add(machine, pci_data, machine->memory,
                    0, 9, 1, "piix4_ide");

                device_add(machine, "malta_lcd addr=0x1f000400");
                break;

        case MACHINE_EVBMIPS_MESHCUBE:
                machine->machine_name = "Meshcube";

                /*  See: http://mail-index.netbsd.org/port-evbmips/2006/
                    02/23/0000.html  */

                if (machine->physical_ram_in_mb != 64)
                        fprintf(stderr, "WARNING! MeshCubes are supposed to "
                            "have exactly 64 MB RAM. Continuing anyway.\n");
                if (machine->use_x11)
                        fprintf(stderr, "WARNING! MeshCube with -X is "
                            "meaningless. Continuing anyway.\n");

                /*  First of all, the MeshCube has an Au1500 in it:  */
                machine->md_interrupt = au1x00_interrupt;
                machine->md_int.au1x00_ic_data = dev_au1x00_init(machine,
                    machine->memory);

                /*
                 *  TODO:  Which non-Au1500 devices, and at what addresses?
                 *
                 *  "4G Systems MTX-1 Board" at ?
                 *      1017fffc, 14005004, 11700000, 11700008, 11900014,
                 *      1190002c, 11900100, 11900108, 1190010c,
                 *      10400040 - 10400074,
                 *      14001000 (possibly LCD?)
                 *      11100028 (possibly ttySx?)
                 *
                 *  "usb_ohci=base:0x10100000,len:0x100000,irq:26"
                 */

                /*  Linux reads this during startup...  */
                device_add(machine, "random addr=0x1017fffc len=4");

                break;

        case MACHINE_EVBMIPS_PB1000:
                machine->machine_name = "PB1000 (evbmips)";
                cpu->byte_order = EMUL_BIG_ENDIAN;

                machine->md_interrupt = au1x00_interrupt;
                machine->md_int.au1x00_ic_data = dev_au1x00_init(machine,
                    machine->memory);
                /*  TODO  */
                break;

        default:fatal("Unimplemented EVBMIPS model.\n");
                exit(1);
        }

        if (!machine->prom_emulation)
                return;


        /*  NetBSD/evbmips wants these: (at least for Malta)  */

        /*  a0 = argc  */
        cpu->cd.mips.gpr[MIPS_GPR_A0] = 2;

        /*  a1 = argv  */
        cpu->cd.mips.gpr[MIPS_GPR_A1] = (int32_t)0x9fc01000;
        store_32bit_word(cpu, (int32_t)0x9fc01000, 0x9fc01040);
        store_32bit_word(cpu, (int32_t)0x9fc01004, 0x9fc01200);
        store_32bit_word(cpu, (int32_t)0x9fc01008, 0);

        machine->bootstr = strdup(machine->boot_kernel_filename);
        machine->bootarg = strdup(machine->boot_string_argument);
        store_string(cpu, (int32_t)0x9fc01040, machine->bootstr);
        store_string(cpu, (int32_t)0x9fc01200, machine->bootarg);

        /*  a2 = (yamon_env_var *)envp  */
        cpu->cd.mips.gpr[MIPS_GPR_A2] = (int32_t)0x9fc01800;

        env = cpu->cd.mips.gpr[MIPS_GPR_A2];
        tmpptr = 0xffffffff9fc01c00ULL;

        snprintf(tmps, sizeof(tmps), "0x%08x", machine->physical_ram_in_mb<<20);
        add_environment_string_dual(cpu, &env, &tmpptr, "memsize", tmps);

        add_environment_string_dual(cpu, &env, &tmpptr, "yamonrev", "02.06");

        /*  End of env:  */
        tmpptr = 0;
        add_environment_string_dual(cpu,
                    &env, &tmpptr, NULL, NULL);

        /*  a3 = memsize  */
        cpu->cd.mips.gpr[MIPS_GPR_A3] = machine->physical_ram_in_mb * 1048576;
        /*  Hm. Linux ignores a3.  */

        /*
         *  TODO:
         *      Core ID numbers.
         *      How much of this is not valid for PBxxxx?
         *
         *  See maltareg.h for more info.
         */
        store_32bit_word(cpu, (int32_t)(0x80000000 + MALTA_REVISION),
            (1 << 10) + 0x26);

        /*  Call vectors at 0x9fc005xx:  */
        for (i=0; i<0x100; i+=4)
                store_32bit_word(cpu, (int64_t)(int32_t)0x9fc00500 + i,
                    (int64_t)(int32_t)0x9fc00800 + i);

        /*  "Magic trap" PROM instructions at 0x9fc008xx:  */
        for (i=0; i<0x100; i+=4)
                store_32bit_word(cpu, (int64_t)(int32_t)0x9fc00800 + i,
                    0x00c0de0c);
}


MACHINE_DEFAULT_CPU(evbmips)
{
        switch (machine->machine_subtype) {
        case MACHINE_EVBMIPS_MALTA:
        case MACHINE_EVBMIPS_MALTA_BE:
                machine->cpu_name = strdup("5Kc");
                break;
        case MACHINE_EVBMIPS_MESHCUBE:
                machine->cpu_name = strdup("AU1500");
                break;
        case MACHINE_EVBMIPS_PB1000:
                machine->cpu_name = strdup("AU1000");
                break;
        default:fatal("Unimplemented evbmips subtype.\n");
                exit(1);
        }
}


MACHINE_DEFAULT_RAM(evbmips)
{
        /*  MeshCube is always (?) 64 MB, and the others work fine
            with 64 MB too.  */
        machine->physical_ram_in_mb = 64;
}


MACHINE_REGISTER(evbmips)
{
        MR_DEFAULT(evbmips, "MIPS evaluation boards (evbmips)",
            ARCH_MIPS, MACHINE_EVBMIPS);

        machine_entry_add_alias(me, "evbmips");

        machine_entry_add_subtype(me, "Malta", MACHINE_EVBMIPS_MALTA,
            "malta", NULL);

        machine_entry_add_subtype(me, "Malta (Big-Endian)",
            MACHINE_EVBMIPS_MALTA_BE, "maltabe", NULL);

        machine_entry_add_subtype(me, "MeshCube", MACHINE_EVBMIPS_MESHCUBE,
            "meshcube", NULL);

        machine_entry_add_subtype(me, "PB1000", MACHINE_EVBMIPS_PB1000,
            "pb1000", NULL);

        me->set_default_ram = machine_default_ram_evbmips;
}

1	dpavlin	22	/*
2			* Copyright (C) 2005-2006 Anders Gavare. All rights reserved.
3			*
4			* Redistribution and use in source and binary forms, with or without
5			* modification, are permitted provided that the following conditions are met:
6			*
7			* 1. Redistributions of source code must retain the above copyright
8			* notice, this list of conditions and the following disclaimer.
9			* 2. Redistributions in binary form must reproduce the above copyright
10			* notice, this list of conditions and the following disclaimer in the
11			* documentation and/or other materials provided with the distribution.
12			* 3. The name of the author may not be used to endorse or promote products
13			* derived from this software without specific prior written permission.
14			*
15			* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18			* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25			* SUCH DAMAGE.
26			*
27			*
28	dpavlin	26	* $Id: machine_evbmips.c,v 1.7 2006/06/24 10:19:19 debug Exp $
29	dpavlin	22	*/
30
31			#include <stdio.h>
32			#include <stdlib.h>
33			#include <string.h>
34
35			#include "bus_isa.h"
36			#include "bus_pci.h"
37			#include "cpu.h"
38			#include "device.h"
39			#include "devices.h"
40			#include "machine.h"
41			#include "machine_interrupts.h"
42			#include "memory.h"
43			#include "misc.h"
44
45			#include "maltareg.h"
46
47
48			MACHINE_SETUP(evbmips)
49			{
50			char tmpstr[1000];
51			char tmps[50];
52			uint64_t env, tmpptr;
53			struct pci_data *pci_data;
54			int i;
55
56			/* See http://www.netbsd.org/Ports/evbmips/ for more info. */
57
58			switch (machine->machine_subtype) {
59			case MACHINE_EVBMIPS_MALTA:
60			case MACHINE_EVBMIPS_MALTA_BE:
61			cpu->byte_order = EMUL_LITTLE_ENDIAN;
62			machine->machine_name = "MALTA (evbmips, little endian)";
63			machine->stable = 1;
64
65			if (machine->machine_subtype == MACHINE_EVBMIPS_MALTA_BE) {
66			machine->machine_name = "MALTA (evbmips, big endian)";
67			cpu->byte_order = EMUL_BIG_ENDIAN;
68			}
69
70			machine->md_interrupt = isa8_interrupt;
71			machine->isa_pic_data.native_irq = 2;
72
73			bus_isa_init(machine, 0, 0x18000000, 0x10000000, 8, 24);
74
75			snprintf(tmpstr, sizeof(tmpstr), "ns16550 irq=4 addr=0x%x"
76			" name2=tty2 in_use=0", MALTA_CBUSUART);
77			device_add(machine, tmpstr);
78
79			pci_data = dev_gt_init(machine, machine->memory, 0x1be00000,
80			8+9, 8+9, 120);
81
82			if (machine->use_x11) {
83			if (strlen(machine->boot_string_argument) < 3) {
84			fatal("WARNING: remember to use -o 'console="
85			"tty0' if you are emulating Linux. (Not"
86			" needed for NetBSD.)\n");
87			}
88			bus_pci_add(machine, pci_data, machine->memory,
89			0, 8, 0, "s3_virge");
90			}
91
92			bus_pci_add(machine, pci_data, machine->memory,
93			0, 9, 0, "piix4_isa");
94			bus_pci_add(machine, pci_data, machine->memory,
95			0, 9, 1, "piix4_ide");
96
97			device_add(machine, "malta_lcd addr=0x1f000400");
98			break;
99
100	dpavlin	24	case MACHINE_EVBMIPS_MESHCUBE:
101			machine->machine_name = "Meshcube";
102
103			/* See: http://mail-index.netbsd.org/port-evbmips/2006/
104			02/23/0000.html */
105
106			if (machine->physical_ram_in_mb != 64)
107			fprintf(stderr, "WARNING! MeshCubes are supposed to "
108			"have exactly 64 MB RAM. Continuing anyway.\n");
109			if (machine->use_x11)
110			fprintf(stderr, "WARNING! MeshCube with -X is "
111			"meaningless. Continuing anyway.\n");
112
113			/* First of all, the MeshCube has an Au1500 in it: */
114			machine->md_interrupt = au1x00_interrupt;
115			machine->md_int.au1x00_ic_data = dev_au1x00_init(machine,
116			machine->memory);
117
118			/*
119			* TODO: Which non-Au1500 devices, and at what addresses?
120			*
121			* "4G Systems MTX-1 Board" at ?
122			* 1017fffc, 14005004, 11700000, 11700008, 11900014,
123			* 1190002c, 11900100, 11900108, 1190010c,
124			* 10400040 - 10400074,
125			* 14001000 (possibly LCD?)
126			* 11100028 (possibly ttySx?)
127			*
128			* "usb_ohci=base:0x10100000,len:0x100000,irq:26"
129			*/
130
131			/* Linux reads this during startup... */
132			device_add(machine, "random addr=0x1017fffc len=4");
133
134			break;
135
136	dpavlin	22	case MACHINE_EVBMIPS_PB1000:
137			machine->machine_name = "PB1000 (evbmips)";
138			cpu->byte_order = EMUL_BIG_ENDIAN;
139
140			machine->md_interrupt = au1x00_interrupt;
141			machine->md_int.au1x00_ic_data = dev_au1x00_init(machine,
142			machine->memory);
143			/* TODO */
144			break;
145
146			default:fatal("Unimplemented EVBMIPS model.\n");
147			exit(1);
148			}
149
150			if (!machine->prom_emulation)
151			return;
152
153
154			/* NetBSD/evbmips wants these: (at least for Malta) */
155
156			/* a0 = argc */
157			cpu->cd.mips.gpr[MIPS_GPR_A0] = 2;
158
159			/* a1 = argv */
160			cpu->cd.mips.gpr[MIPS_GPR_A1] = (int32_t)0x9fc01000;
161			store_32bit_word(cpu, (int32_t)0x9fc01000, 0x9fc01040);
162			store_32bit_word(cpu, (int32_t)0x9fc01004, 0x9fc01200);
163			store_32bit_word(cpu, (int32_t)0x9fc01008, 0);
164
165			machine->bootstr = strdup(machine->boot_kernel_filename);
166			machine->bootarg = strdup(machine->boot_string_argument);
167			store_string(cpu, (int32_t)0x9fc01040, machine->bootstr);
168			store_string(cpu, (int32_t)0x9fc01200, machine->bootarg);
169
170			/* a2 = (yamon_env_var )envp /
171			cpu->cd.mips.gpr[MIPS_GPR_A2] = (int32_t)0x9fc01800;
172
173			env = cpu->cd.mips.gpr[MIPS_GPR_A2];
174			tmpptr = 0xffffffff9fc01c00ULL;
175
176			snprintf(tmps, sizeof(tmps), "0x%08x", machine->physical_ram_in_mb<<20);
177			add_environment_string_dual(cpu, &env, &tmpptr, "memsize", tmps);
178
179			add_environment_string_dual(cpu, &env, &tmpptr, "yamonrev", "02.06");
180
181			/* End of env: */
182			tmpptr = 0;
183			add_environment_string_dual(cpu,
184			&env, &tmpptr, NULL, NULL);
185
186			/* a3 = memsize */
187			cpu->cd.mips.gpr[MIPS_GPR_A3] = machine->physical_ram_in_mb * 1048576;
188			/* Hm. Linux ignores a3. */
189
190			/*
191			* TODO:
192			* Core ID numbers.
193			* How much of this is not valid for PBxxxx?
194			*
195			* See maltareg.h for more info.
196			*/
197			store_32bit_word(cpu, (int32_t)(0x80000000 + MALTA_REVISION),
198			(1 << 10) + 0x26);
199
200			/* Call vectors at 0x9fc005xx: */
201			for (i=0; i<0x100; i+=4)
202			store_32bit_word(cpu, (int64_t)(int32_t)0x9fc00500 + i,
203			(int64_t)(int32_t)0x9fc00800 + i);
204	dpavlin	24
205			/* "Magic trap" PROM instructions at 0x9fc008xx: */
206			for (i=0; i<0x100; i+=4)
207			store_32bit_word(cpu, (int64_t)(int32_t)0x9fc00800 + i,
208			0x00c0de0c);
209	dpavlin	22	}
210
211
212			MACHINE_DEFAULT_CPU(evbmips)
213			{
214			switch (machine->machine_subtype) {
215			case MACHINE_EVBMIPS_MALTA:
216			case MACHINE_EVBMIPS_MALTA_BE:
217			machine->cpu_name = strdup("5Kc");
218			break;
219	dpavlin	24	case MACHINE_EVBMIPS_MESHCUBE:
220			machine->cpu_name = strdup("AU1500");
221			break;
222	dpavlin	22	case MACHINE_EVBMIPS_PB1000:
223			machine->cpu_name = strdup("AU1000");
224			break;
225			default:fatal("Unimplemented evbmips subtype.\n");
226			exit(1);
227			}
228			}
229
230
231			MACHINE_DEFAULT_RAM(evbmips)
232			{
233	dpavlin	24	/* MeshCube is always (?) 64 MB, and the others work fine
234			with 64 MB too. */
235	dpavlin	22	machine->physical_ram_in_mb = 64;
236			}
237
238
239			MACHINE_REGISTER(evbmips)
240			{
241	dpavlin	26	MR_DEFAULT(evbmips, "MIPS evaluation boards (evbmips)",
242			ARCH_MIPS, MACHINE_EVBMIPS);
243	dpavlin	24
244	dpavlin	26	machine_entry_add_alias(me, "evbmips");
245	dpavlin	24
246	dpavlin	26	machine_entry_add_subtype(me, "Malta", MACHINE_EVBMIPS_MALTA,
247			"malta", NULL);
248	dpavlin	24
249	dpavlin	26	machine_entry_add_subtype(me, "Malta (Big-Endian)",
250			MACHINE_EVBMIPS_MALTA_BE, "maltabe", NULL);
251	dpavlin	24
252	dpavlin	26	machine_entry_add_subtype(me, "MeshCube", MACHINE_EVBMIPS_MESHCUBE,
253			"meshcube", NULL);
254	dpavlin	24
255	dpavlin	26	machine_entry_add_subtype(me, "PB1000", MACHINE_EVBMIPS_PB1000,
256			"pb1000", NULL);
257	dpavlin	24
258	dpavlin	22	me->set_default_ram = machine_default_ram_evbmips;
259			}
260