src/machines/machine_cobalt.c

/*
 *  Copyright (C) 2003-2007  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 1.10 2007/04/29 13:44:14 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 "memory.h"
#include "misc.h"


MACHINE_SETUP(cobalt)
{
        char tmpstr[500], tmpstr2[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 bus at MIPS irq 6:  */
        snprintf(tmpstr, sizeof(tmpstr), "%s.cpu[%i].6",
            machine->path, machine->bootstrap_cpu);
        bus_isa_init(machine, tmpstr, 0, 0x10000000, 0x14000000 /* TODO */);

        snprintf(tmpstr, sizeof(tmpstr), "ns16550 irq=%s.cpu[%i].5"
            " addr=0x1c800000 name2=tty0 in_use=1",
            machine->path, machine->bootstrap_cpu);
        machine->main_console_handle = (size_t) device_add(machine, tmpstr);


        /*
         *  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. (TODO?)
         */
        snprintf(tmpstr, sizeof(tmpstr), "%s.cpu[%i].2",
            machine->path, machine->bootstrap_cpu);
        snprintf(tmpstr2, sizeof(tmpstr2), "%s.cpu[%i].6",
            machine->path, machine->bootstrap_cpu);
        pci_data = dev_gt_init(machine, mem, 0x14000000, tmpstr,
            tmpstr2, 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	dpavlin	22	/*
2	dpavlin	34	* Copyright (C) 2003-2007 Anders Gavare. All rights reserved.
3	dpavlin	22	*
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	40	* $Id: machine_cobalt.c,v 1.10 2007/04/29 13:44:14 debug Exp $
29	dpavlin	22	*/
30
31			#include <stdio.h>
32	dpavlin	34	#include <stdlib.h>
33	dpavlin	22	#include <string.h>
34
35	dpavlin	34	#include "bus_isa.h"
36	dpavlin	22	#include "bus_pci.h"
37			#include "cpu.h"
38			#include "device.h"
39			#include "devices.h"
40			#include "machine.h"
41			#include "memory.h"
42			#include "misc.h"
43
44
45			MACHINE_SETUP(cobalt)
46			{
47	dpavlin	34	char tmpstr[500], tmpstr2[500];
48	dpavlin	22	struct pci_data *pci_data;
49			struct memory *mem = machine->memory;
50
51			cpu->byte_order = EMUL_LITTLE_ENDIAN;
52			machine->machine_name = "Cobalt";
53			machine->stable = 1;
54
55			/*
56			* Interrupts seem to be the following:
57			* (according to http://www.funet.fi/pub/Linux/PEOPLE/Linus/v2.4/
58			* patch-html/patch-2.4.19/linux-2.4.19_arch_mips_cobalt_irq.c.html)
59			*
60			* 2 Galileo chip (timer)
61			* 3 Tulip 0 + NCR SCSI
62			* 4 Tulip 1
63			* 5 16550 UART (serial console)
64			* 6 VIA southbridge PIC
65			* 7 PCI (Note: Not used. The PCI controller
66			* interrupts at ISA interrupt 9.)
67			*/
68
69	dpavlin	34	/* ISA bus at MIPS irq 6: */
70			snprintf(tmpstr, sizeof(tmpstr), "%s.cpu[%i].6",
71			machine->path, machine->bootstrap_cpu);
72			bus_isa_init(machine, tmpstr, 0, 0x10000000, 0x14000000 /* TODO */);
73	dpavlin	22
74	dpavlin	34	snprintf(tmpstr, sizeof(tmpstr), "ns16550 irq=%s.cpu[%i].5"
75			" addr=0x1c800000 name2=tty0 in_use=1",
76			machine->path, machine->bootstrap_cpu);
77			machine->main_console_handle = (size_t) device_add(machine, tmpstr);
78	dpavlin	22
79
80			/*
81			* According to NetBSD/cobalt:
82			*
83			* pchb0 at pci0 dev 0 function 0: Galileo GT-64111 System Controller,
84			* rev 1 (NOTE: added by dev_gt_init())
85			* tlp0 at pci0 dev 7 function 0: DECchip 21143 Ethernet, pass 4.1
86			* Symbios Logic 53c860 (SCSI mass storage, revision 0x02) at pci0
87			* dev 8
88			* pcib0 at pci0 dev 9 function 0, VIA Technologies VT82C586 (Apollo
89			* VP) PCI-ISA Bridge, rev 37
90			* pciide0 at pci0 dev 9 function 1: VIA Technologies VT82C586 (Apollo
91			* VP) ATA33 cr
92			* tlp1 at pci0 dev 12 function 0: DECchip 21143 Ethernet, pass 4.1
93			*
94	dpavlin	34	* The PCI controller interrupts at ISA interrupt 9. (TODO?)
95	dpavlin	22	*/
96	dpavlin	34	snprintf(tmpstr, sizeof(tmpstr), "%s.cpu[%i].2",
97			machine->path, machine->bootstrap_cpu);
98			snprintf(tmpstr2, sizeof(tmpstr2), "%s.cpu[%i].6",
99			machine->path, machine->bootstrap_cpu);
100			pci_data = dev_gt_init(machine, mem, 0x14000000, tmpstr,
101			tmpstr2, 11);
102	dpavlin	40	/* bus_pci_add(machine, pci_data, mem, 0, 7, 0, "dec21143"); */
103	dpavlin	22	/* bus_pci_add(machine, pci_data, mem, 0, 8, 0, "symbios_860");
104			PCI_VENDOR_SYMBIOS, PCI_PRODUCT_SYMBIOS_860 */
105			bus_pci_add(machine, pci_data, mem, 0, 9, 0, "vt82c586_isa");
106			bus_pci_add(machine, pci_data, mem, 0, 9, 1, "vt82c586_ide");
107	dpavlin	40	/* bus_pci_add(machine, pci_data, mem, 0, 12, 0, "dec21143"); */
108	dpavlin	22
109			if (!machine->prom_emulation)
110			return;
111
112
113			/*
114			* NetBSD/cobalt expects memsize in a0, but it seems that what
115			* it really wants is the end of memory + 0x80000000.
116			*
117			* The bootstring is stored 512 bytes before the end of
118			* physical ram.
119			*/
120			cpu->cd.mips.gpr[MIPS_GPR_A0] =
121			machine->physical_ram_in_mb * 1048576 + 0xffffffff80000000ULL;
122			machine->bootstr = "root=/dev/hda1 ro";
123			/* bootstr = "nfsroot=/usr/cobalt/"; */
124			/* TODO: bootarg, and/or automagic boot device detection */
125			store_string(cpu, cpu->cd.mips.gpr[MIPS_GPR_A0] - 512,
126			machine->bootstr);
127			}
128
129
130			MACHINE_DEFAULT_CPU(cobalt)
131			{
132			machine->cpu_name = strdup("RM5200");
133			}
134
135
136	dpavlin	30	MACHINE_DEFAULT_RAM(cobalt)
137			{
138			machine->physical_ram_in_mb = 64;
139			}
140
141
142	dpavlin	22	MACHINE_REGISTER(cobalt)
143			{
144	dpavlin	26	MR_DEFAULT(cobalt, "Cobalt", ARCH_MIPS, MACHINE_COBALT);
145
146			machine_entry_add_alias(me, "cobalt");
147	dpavlin	22	}
148