src/machines/machine_cobalt.c

/*
 *  Copyright (C) 2003-2006  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_cobalt.c,v 1.4 2006/08/12 19:31:36 debug Exp $
 */

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


MACHINE_SETUP(cobalt)
{
        char tmpstr[500];
        struct pci_data *pci_data;
        struct memory *mem = machine->memory;

        cpu->byte_order = EMUL_LITTLE_ENDIAN;
        machine->machine_name = "Cobalt";
        machine->stable = 1;

        /*
         *  Interrupts seem to be the following:
         *  (according to http://www.funet.fi/pub/Linux/PEOPLE/Linus/v2.4/
         *  patch-html/patch-2.4.19/linux-2.4.19_arch_mips_cobalt_irq.c.html)
         *
         *      2       Galileo chip (timer)
         *      3       Tulip 0 + NCR SCSI
         *      4       Tulip 1
         *      5       16550 UART (serial console)
         *      6       VIA southbridge PIC
         *      7       PCI  (Note: Not used. The PCI controller
         *              interrupts at ISA interrupt 9.)
         */

        /*  ISA interrupt controllers:  */
        snprintf(tmpstr, sizeof(tmpstr), "8259 irq=24 addr=0x10000020");
        machine->isa_pic_data.pic1 = device_add(machine, tmpstr);
        snprintf(tmpstr, sizeof(tmpstr), "8259 irq=24 addr=0x100000a0");
        machine->isa_pic_data.pic2 = device_add(machine, tmpstr);
        machine->md_interrupt = isa8_interrupt;
        machine->isa_pic_data.native_irq = 6;

        dev_mc146818_init(machine, mem, 0x10000070, 0, MC146818_PC_CMOS, 4);

        machine->main_console_handle = (size_t) device_add(machine,
            "ns16550 irq=5 addr=0x1c800000 name2=tty0 in_use=1");

        /*  TODO: bus_isa_init() ?  */

#if 0
        device_add(machine,
            "ns16550 irq=0 addr=0x1f000010 name2=tty1 in_use=0");
#endif

        /*
         *  According to NetBSD/cobalt:
         *
         *  pchb0 at pci0 dev 0 function 0: Galileo GT-64111 System Controller,
         *      rev 1   (NOTE: added by dev_gt_init())
         *  tlp0 at pci0 dev 7 function 0: DECchip 21143 Ethernet, pass 4.1
         *  Symbios Logic 53c860 (SCSI mass storage, revision 0x02) at pci0
         *      dev 8
         *  pcib0 at pci0 dev 9 function 0, VIA Technologies VT82C586 (Apollo
         *      VP) PCI-ISA Bridge, rev 37
         *  pciide0 at pci0 dev 9 function 1: VIA Technologies VT82C586 (Apollo
         *      VP) ATA33 cr
         *  tlp1 at pci0 dev 12 function 0: DECchip 21143 Ethernet, pass 4.1
         *
         *  The PCI controller interrupts at ISA interrupt 9.
         */
        pci_data = dev_gt_init(machine, mem, 0x14000000, 2, 8 + 9, 11);
        bus_pci_add(machine, pci_data, mem, 0,  7, 0, "dec21143");
        /*  bus_pci_add(machine, pci_data, mem, 0,  8, 0, "symbios_860");
            PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_860  */
        bus_pci_add(machine, pci_data, mem, 0,  9, 0, "vt82c586_isa");
        bus_pci_add(machine, pci_data, mem, 0,  9, 1, "vt82c586_ide");
        bus_pci_add(machine, pci_data, mem, 0, 12, 0, "dec21143");

        if (!machine->prom_emulation)
                return;


        /*
         *  NetBSD/cobalt expects memsize in a0, but it seems that what
         *  it really wants is the end of memory + 0x80000000.
         *
         *  The bootstring is stored 512 bytes before the end of
         *  physical ram.
         */
        cpu->cd.mips.gpr[MIPS_GPR_A0] =
            machine->physical_ram_in_mb * 1048576 + 0xffffffff80000000ULL;
        machine->bootstr = "root=/dev/hda1 ro";
        /*  bootstr = "nfsroot=/usr/cobalt/";  */
        /*  TODO: bootarg, and/or automagic boot device detection  */
        store_string(cpu, cpu->cd.mips.gpr[MIPS_GPR_A0] - 512,
            machine->bootstr);
}


MACHINE_DEFAULT_CPU(cobalt)
{
        machine->cpu_name = strdup("RM5200");
}


MACHINE_DEFAULT_RAM(cobalt)
{
        machine->physical_ram_in_mb = 64;
}


MACHINE_REGISTER(cobalt)
{
        MR_DEFAULT(cobalt, "Cobalt", ARCH_MIPS, MACHINE_COBALT);

        machine_entry_add_alias(me, "cobalt");
}

1	/*
2	* Copyright (C) 2003-2006 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	* $Id: machine_cobalt.c,v 1.4 2006/08/12 19:31:36 debug Exp $
29	*/
30
31	#include <stdio.h>
32	#include <string.h>
33
34	#include "bus_pci.h"
35	#include "cpu.h"
36	#include "device.h"
37	#include "devices.h"
38	#include "machine.h"
39	#include "machine_interrupts.h"
40	#include "memory.h"
41	#include "misc.h"
42
43
44	MACHINE_SETUP(cobalt)
45	{
46	char tmpstr[500];
47	struct pci_data *pci_data;
48	struct memory *mem = machine->memory;
49
50	cpu->byte_order = EMUL_LITTLE_ENDIAN;
51	machine->machine_name = "Cobalt";
52	machine->stable = 1;
53
54	/*
55	* Interrupts seem to be the following:
56	* (according to http://www.funet.fi/pub/Linux/PEOPLE/Linus/v2.4/
57	* patch-html/patch-2.4.19/linux-2.4.19_arch_mips_cobalt_irq.c.html)
58	*
59	* 2 Galileo chip (timer)
60	* 3 Tulip 0 + NCR SCSI
61	* 4 Tulip 1
62	* 5 16550 UART (serial console)
63	* 6 VIA southbridge PIC
64	* 7 PCI (Note: Not used. The PCI controller
65	* interrupts at ISA interrupt 9.)
66	*/
67
68	/* ISA interrupt controllers: */
69	snprintf(tmpstr, sizeof(tmpstr), "8259 irq=24 addr=0x10000020");
70	machine->isa_pic_data.pic1 = device_add(machine, tmpstr);
71	snprintf(tmpstr, sizeof(tmpstr), "8259 irq=24 addr=0x100000a0");
72	machine->isa_pic_data.pic2 = device_add(machine, tmpstr);
73	machine->md_interrupt = isa8_interrupt;
74	machine->isa_pic_data.native_irq = 6;
75
76	dev_mc146818_init(machine, mem, 0x10000070, 0, MC146818_PC_CMOS, 4);
77
78	machine->main_console_handle = (size_t) device_add(machine,
79	"ns16550 irq=5 addr=0x1c800000 name2=tty0 in_use=1");
80
81	/* TODO: bus_isa_init() ? */
82
83	#if 0
84	device_add(machine,
85	"ns16550 irq=0 addr=0x1f000010 name2=tty1 in_use=0");
86	#endif
87
88	/*
89	* According to NetBSD/cobalt:
90	*
91	* pchb0 at pci0 dev 0 function 0: Galileo GT-64111 System Controller,
92	* rev 1 (NOTE: added by dev_gt_init())
93	* tlp0 at pci0 dev 7 function 0: DECchip 21143 Ethernet, pass 4.1
94	* Symbios Logic 53c860 (SCSI mass storage, revision 0x02) at pci0
95	* dev 8
96	* pcib0 at pci0 dev 9 function 0, VIA Technologies VT82C586 (Apollo
97	* VP) PCI-ISA Bridge, rev 37
98	* pciide0 at pci0 dev 9 function 1: VIA Technologies VT82C586 (Apollo
99	* VP) ATA33 cr
100	* tlp1 at pci0 dev 12 function 0: DECchip 21143 Ethernet, pass 4.1
101	*
102	* The PCI controller interrupts at ISA interrupt 9.
103	*/
104	pci_data = dev_gt_init(machine, mem, 0x14000000, 2, 8 + 9, 11);
105	bus_pci_add(machine, pci_data, mem, 0, 7, 0, "dec21143");
106	/* bus_pci_add(machine, pci_data, mem, 0, 8, 0, "symbios_860");
107	PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_860 */
108	bus_pci_add(machine, pci_data, mem, 0, 9, 0, "vt82c586_isa");
109	bus_pci_add(machine, pci_data, mem, 0, 9, 1, "vt82c586_ide");
110	bus_pci_add(machine, pci_data, mem, 0, 12, 0, "dec21143");
111
112	if (!machine->prom_emulation)
113	return;
114
115
116	/*
117	* NetBSD/cobalt expects memsize in a0, but it seems that what
118	* it really wants is the end of memory + 0x80000000.
119	*
120	* The bootstring is stored 512 bytes before the end of
121	* physical ram.
122	*/
123	cpu->cd.mips.gpr[MIPS_GPR_A0] =
124	machine->physical_ram_in_mb * 1048576 + 0xffffffff80000000ULL;
125	machine->bootstr = "root=/dev/hda1 ro";
126	/* bootstr = "nfsroot=/usr/cobalt/"; */
127	/* TODO: bootarg, and/or automagic boot device detection */
128	store_string(cpu, cpu->cd.mips.gpr[MIPS_GPR_A0] - 512,
129	machine->bootstr);
130	}
131
132
133	MACHINE_DEFAULT_CPU(cobalt)
134	{
135	machine->cpu_name = strdup("RM5200");
136	}
137
138
139	MACHINE_DEFAULT_RAM(cobalt)
140	{
141	machine->physical_ram_in_mb = 64;
142	}
143
144
145	MACHINE_REGISTER(cobalt)
146	{
147	MR_DEFAULT(cobalt, "Cobalt", ARCH_MIPS, MACHINE_COBALT);
148
149	machine_entry_add_alias(me, "cobalt");
150	}
151