xref: /openbmc/qemu/hw/arm/gumstix.c (revision f363d039)
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/arm/pxa.h"
40 #include "net/net.h"
41 #include "hw/block/flash.h"
42 #include "hw/net/smc91c111.h"
43 #include "hw/boards.h"
44 #include "exec/address-spaces.h"
45 #include "sysemu/qtest.h"
46 #include "cpu.h"
47 
48 static const int sector_len = 128 * 1024;
49 
50 static void connex_init(MachineState *machine)
51 {
52     PXA2xxState *cpu;
53     DriveInfo *dinfo;
54     int be;
55     MemoryRegion *address_space_mem = get_system_memory();
56 
57     uint32_t connex_rom = 0x01000000;
58     uint32_t connex_ram = 0x04000000;
59 
60     cpu = pxa255_init(address_space_mem, connex_ram);
61 
62     dinfo = drive_get(IF_PFLASH, 0, 0);
63     if (!dinfo && !qtest_enabled()) {
64         error_report("A flash image must be given with the "
65                      "'pflash' parameter");
66         exit(1);
67     }
68 
69 #ifdef TARGET_WORDS_BIGENDIAN
70     be = 1;
71 #else
72     be = 0;
73 #endif
74     if (!pflash_cfi01_register(0x00000000, "connext.rom", connex_rom,
75                                dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
76                                sector_len, 2, 0, 0, 0, 0, be)) {
77         error_report("Error registering flash memory");
78         exit(1);
79     }
80 
81     /* Interrupt line of NIC is connected to GPIO line 36 */
82     smc91c111_init(&nd_table[0], 0x04000300,
83                     qdev_get_gpio_in(cpu->gpio, 36));
84 }
85 
86 static void verdex_init(MachineState *machine)
87 {
88     PXA2xxState *cpu;
89     DriveInfo *dinfo;
90     int be;
91     MemoryRegion *address_space_mem = get_system_memory();
92 
93     uint32_t verdex_rom = 0x02000000;
94     uint32_t verdex_ram = 0x10000000;
95 
96     cpu = pxa270_init(address_space_mem, verdex_ram, machine->cpu_type);
97 
98     dinfo = drive_get(IF_PFLASH, 0, 0);
99     if (!dinfo && !qtest_enabled()) {
100         error_report("A flash image must be given with the "
101                      "'pflash' parameter");
102         exit(1);
103     }
104 
105 #ifdef TARGET_WORDS_BIGENDIAN
106     be = 1;
107 #else
108     be = 0;
109 #endif
110     if (!pflash_cfi01_register(0x00000000, "verdex.rom", verdex_rom,
111                                dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
112                                sector_len, 2, 0, 0, 0, 0, be)) {
113         error_report("Error registering flash memory");
114         exit(1);
115     }
116 
117     /* Interrupt line of NIC is connected to GPIO line 99 */
118     smc91c111_init(&nd_table[0], 0x04000300,
119                     qdev_get_gpio_in(cpu->gpio, 99));
120 }
121 
122 static void connex_class_init(ObjectClass *oc, void *data)
123 {
124     MachineClass *mc = MACHINE_CLASS(oc);
125 
126     mc->desc = "Gumstix Connex (PXA255)";
127     mc->init = connex_init;
128     mc->ignore_memory_transaction_failures = true;
129 }
130 
131 static const TypeInfo connex_type = {
132     .name = MACHINE_TYPE_NAME("connex"),
133     .parent = TYPE_MACHINE,
134     .class_init = connex_class_init,
135 };
136 
137 static void verdex_class_init(ObjectClass *oc, void *data)
138 {
139     MachineClass *mc = MACHINE_CLASS(oc);
140 
141     mc->desc = "Gumstix Verdex (PXA270)";
142     mc->init = verdex_init;
143     mc->ignore_memory_transaction_failures = true;
144     mc->default_cpu_type = ARM_CPU_TYPE_NAME("pxa270-c0");
145 }
146 
147 static const TypeInfo verdex_type = {
148     .name = MACHINE_TYPE_NAME("verdex"),
149     .parent = TYPE_MACHINE,
150     .class_init = verdex_class_init,
151 };
152 
153 static void gumstix_machine_init(void)
154 {
155     type_register_static(&connex_type);
156     type_register_static(&verdex_type);
157 }
158 
159 type_init(gumstix_machine_init)
160