xref: /openbmc/qemu/hw/arm/gumstix.c (revision fe7f9b8e)
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/devices.h"
44 #include "hw/boards.h"
45 #include "sysemu/block-backend.h"
46 #include "exec/address-spaces.h"
47 #include "sysemu/qtest.h"
48 #include "cpu.h"
49 
50 static const int sector_len = 128 * 1024;
51 
52 static void connex_init(MachineState *machine)
53 {
54     PXA2xxState *cpu;
55     DriveInfo *dinfo;
56     int be;
57     MemoryRegion *address_space_mem = get_system_memory();
58 
59     uint32_t connex_rom = 0x01000000;
60     uint32_t connex_ram = 0x04000000;
61 
62     cpu = pxa255_init(address_space_mem, connex_ram);
63 
64     dinfo = drive_get(IF_PFLASH, 0, 0);
65     if (!dinfo && !qtest_enabled()) {
66         error_report("A flash image must be given with the "
67                      "'pflash' parameter");
68         exit(1);
69     }
70 
71 #ifdef TARGET_WORDS_BIGENDIAN
72     be = 1;
73 #else
74     be = 0;
75 #endif
76     if (!pflash_cfi01_register(0x00000000, NULL, "connext.rom", connex_rom,
77                                dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
78                                sector_len, connex_rom / sector_len,
79                                2, 0, 0, 0, 0, be)) {
80         error_report("Error registering flash memory");
81         exit(1);
82     }
83 
84     /* Interrupt line of NIC is connected to GPIO line 36 */
85     smc91c111_init(&nd_table[0], 0x04000300,
86                     qdev_get_gpio_in(cpu->gpio, 36));
87 }
88 
89 static void verdex_init(MachineState *machine)
90 {
91     PXA2xxState *cpu;
92     DriveInfo *dinfo;
93     int be;
94     MemoryRegion *address_space_mem = get_system_memory();
95 
96     uint32_t verdex_rom = 0x02000000;
97     uint32_t verdex_ram = 0x10000000;
98 
99     cpu = pxa270_init(address_space_mem, verdex_ram, machine->cpu_type);
100 
101     dinfo = drive_get(IF_PFLASH, 0, 0);
102     if (!dinfo && !qtest_enabled()) {
103         error_report("A flash image must be given with the "
104                      "'pflash' parameter");
105         exit(1);
106     }
107 
108 #ifdef TARGET_WORDS_BIGENDIAN
109     be = 1;
110 #else
111     be = 0;
112 #endif
113     if (!pflash_cfi01_register(0x00000000, NULL, "verdex.rom", verdex_rom,
114                                dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
115                                sector_len, verdex_rom / sector_len,
116                                2, 0, 0, 0, 0, be)) {
117         error_report("Error registering flash memory");
118         exit(1);
119     }
120 
121     /* Interrupt line of NIC is connected to GPIO line 99 */
122     smc91c111_init(&nd_table[0], 0x04000300,
123                     qdev_get_gpio_in(cpu->gpio, 99));
124 }
125 
126 static void connex_class_init(ObjectClass *oc, void *data)
127 {
128     MachineClass *mc = MACHINE_CLASS(oc);
129 
130     mc->desc = "Gumstix Connex (PXA255)";
131     mc->init = connex_init;
132     mc->ignore_memory_transaction_failures = true;
133 }
134 
135 static const TypeInfo connex_type = {
136     .name = MACHINE_TYPE_NAME("connex"),
137     .parent = TYPE_MACHINE,
138     .class_init = connex_class_init,
139 };
140 
141 static void verdex_class_init(ObjectClass *oc, void *data)
142 {
143     MachineClass *mc = MACHINE_CLASS(oc);
144 
145     mc->desc = "Gumstix Verdex (PXA270)";
146     mc->init = verdex_init;
147     mc->ignore_memory_transaction_failures = true;
148     mc->default_cpu_type = ARM_CPU_TYPE_NAME("pxa270-c0");
149 }
150 
151 static const TypeInfo verdex_type = {
152     .name = MACHINE_TYPE_NAME("verdex"),
153     .parent = TYPE_MACHINE,
154     .class_init = verdex_class_init,
155 };
156 
157 static void gumstix_machine_init(void)
158 {
159     type_register_static(&connex_type);
160     type_register_static(&verdex_type);
161 }
162 
163 type_init(gumstix_machine_init)
164