xref: /openbmc/qemu/hw/arm/gumstix.c (revision d9cb4336)
1 /*
2  * Gumstix Platforms
3  *
4  * Copyright (c) 2007 by Thorsten Zitterell <info@bitmux.org>
5  *
6  * Code based on spitz platform by Andrzej Zaborowski <balrog@zabor.org>
7  *
8  * This code is licensed under the GNU GPL v2.
9  *
10  * Contributions after 2012-01-13 are licensed under the terms of the
11  * GNU GPL, version 2 or (at your option) any later version.
12  */
13 
14 /*
15  * Example usage:
16  *
17  * connex:
18  * =======
19  * create image:
20  * # dd of=flash bs=1k count=16k if=/dev/zero
21  * # dd of=flash bs=1k conv=notrunc if=u-boot.bin
22  * # dd of=flash bs=1k conv=notrunc seek=256 if=rootfs.arm_nofpu.jffs2
23  * start it:
24  * # qemu-system-arm -M connex -pflash flash -monitor null -nographic
25  *
26  * verdex:
27  * =======
28  * create image:
29  * # dd of=flash bs=1k count=32k if=/dev/zero
30  * # dd of=flash bs=1k conv=notrunc if=u-boot.bin
31  * # dd of=flash bs=1k conv=notrunc seek=256 if=rootfs.arm_nofpu.jffs2
32  * # dd of=flash bs=1k conv=notrunc seek=31744 if=uImage
33  * start it:
34  * # qemu-system-arm -M verdex -pflash flash -monitor null -nographic -m 289
35  */
36 
37 #include "qemu/osdep.h"
38 #include "qemu/error-report.h"
39 #include "hw/hw.h"
40 #include "hw/arm/pxa.h"
41 #include "net/net.h"
42 #include "hw/block/flash.h"
43 #include "hw/net/smc91c111.h"
44 #include "hw/boards.h"
45 #include "exec/address-spaces.h"
46 #include "sysemu/qtest.h"
47 #include "cpu.h"
48 
49 static const int sector_len = 128 * 1024;
50 
51 static void connex_init(MachineState *machine)
52 {
53     PXA2xxState *cpu;
54     DriveInfo *dinfo;
55     int be;
56     MemoryRegion *address_space_mem = get_system_memory();
57 
58     uint32_t connex_rom = 0x01000000;
59     uint32_t connex_ram = 0x04000000;
60 
61     cpu = pxa255_init(address_space_mem, connex_ram);
62 
63     dinfo = drive_get(IF_PFLASH, 0, 0);
64     if (!dinfo && !qtest_enabled()) {
65         error_report("A flash image must be given with the "
66                      "'pflash' parameter");
67         exit(1);
68     }
69 
70 #ifdef TARGET_WORDS_BIGENDIAN
71     be = 1;
72 #else
73     be = 0;
74 #endif
75     if (!pflash_cfi01_register(0x00000000, "connext.rom", connex_rom,
76                                dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
77                                sector_len, 2, 0, 0, 0, 0, be)) {
78         error_report("Error registering flash memory");
79         exit(1);
80     }
81 
82     /* Interrupt line of NIC is connected to GPIO line 36 */
83     smc91c111_init(&nd_table[0], 0x04000300,
84                     qdev_get_gpio_in(cpu->gpio, 36));
85 }
86 
87 static void verdex_init(MachineState *machine)
88 {
89     PXA2xxState *cpu;
90     DriveInfo *dinfo;
91     int be;
92     MemoryRegion *address_space_mem = get_system_memory();
93 
94     uint32_t verdex_rom = 0x02000000;
95     uint32_t verdex_ram = 0x10000000;
96 
97     cpu = pxa270_init(address_space_mem, verdex_ram, machine->cpu_type);
98 
99     dinfo = drive_get(IF_PFLASH, 0, 0);
100     if (!dinfo && !qtest_enabled()) {
101         error_report("A flash image must be given with the "
102                      "'pflash' parameter");
103         exit(1);
104     }
105 
106 #ifdef TARGET_WORDS_BIGENDIAN
107     be = 1;
108 #else
109     be = 0;
110 #endif
111     if (!pflash_cfi01_register(0x00000000, "verdex.rom", verdex_rom,
112                                dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
113                                sector_len, 2, 0, 0, 0, 0, be)) {
114         error_report("Error registering flash memory");
115         exit(1);
116     }
117 
118     /* Interrupt line of NIC is connected to GPIO line 99 */
119     smc91c111_init(&nd_table[0], 0x04000300,
120                     qdev_get_gpio_in(cpu->gpio, 99));
121 }
122 
123 static void connex_class_init(ObjectClass *oc, void *data)
124 {
125     MachineClass *mc = MACHINE_CLASS(oc);
126 
127     mc->desc = "Gumstix Connex (PXA255)";
128     mc->init = connex_init;
129     mc->ignore_memory_transaction_failures = true;
130 }
131 
132 static const TypeInfo connex_type = {
133     .name = MACHINE_TYPE_NAME("connex"),
134     .parent = TYPE_MACHINE,
135     .class_init = connex_class_init,
136 };
137 
138 static void verdex_class_init(ObjectClass *oc, void *data)
139 {
140     MachineClass *mc = MACHINE_CLASS(oc);
141 
142     mc->desc = "Gumstix Verdex (PXA270)";
143     mc->init = verdex_init;
144     mc->ignore_memory_transaction_failures = true;
145     mc->default_cpu_type = ARM_CPU_TYPE_NAME("pxa270-c0");
146 }
147 
148 static const TypeInfo verdex_type = {
149     .name = MACHINE_TYPE_NAME("verdex"),
150     .parent = TYPE_MACHINE,
151     .class_init = verdex_class_init,
152 };
153 
154 static void gumstix_machine_init(void)
155 {
156     type_register_static(&connex_type);
157     type_register_static(&verdex_type);
158 }
159 
160 type_init(gumstix_machine_init)
161