xref: /openbmc/qemu/hw/arm/gumstix.c (revision aaa6a401)
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 "hw/hw.h"
38 #include "hw/arm/pxa.h"
39 #include "net/net.h"
40 #include "hw/block/flash.h"
41 #include "hw/devices.h"
42 #include "hw/boards.h"
43 #include "sysemu/blockdev.h"
44 #include "exec/address-spaces.h"
45 
46 static const int sector_len = 128 * 1024;
47 
48 static void connex_init(QEMUMachineInitArgs *args)
49 {
50     PXA2xxState *cpu;
51     DriveInfo *dinfo;
52     int be;
53     MemoryRegion *address_space_mem = get_system_memory();
54 
55     uint32_t connex_rom = 0x01000000;
56     uint32_t connex_ram = 0x04000000;
57 
58     cpu = pxa255_init(address_space_mem, connex_ram);
59 
60     dinfo = drive_get(IF_PFLASH, 0, 0);
61     if (!dinfo) {
62         fprintf(stderr, "A flash image must be given with the "
63                 "'pflash' parameter\n");
64         exit(1);
65     }
66 
67 #ifdef TARGET_WORDS_BIGENDIAN
68     be = 1;
69 #else
70     be = 0;
71 #endif
72     if (!pflash_cfi01_register(0x00000000, NULL, "connext.rom", connex_rom,
73                                dinfo->bdrv, sector_len, connex_rom / sector_len,
74                                2, 0, 0, 0, 0, be)) {
75         fprintf(stderr, "qemu: Error registering flash memory.\n");
76         exit(1);
77     }
78 
79     /* Interrupt line of NIC is connected to GPIO line 36 */
80     smc91c111_init(&nd_table[0], 0x04000300,
81                     qdev_get_gpio_in(cpu->gpio, 36));
82 }
83 
84 static void verdex_init(QEMUMachineInitArgs *args)
85 {
86     const char *cpu_model = args->cpu_model;
87     PXA2xxState *cpu;
88     DriveInfo *dinfo;
89     int be;
90     MemoryRegion *address_space_mem = get_system_memory();
91 
92     uint32_t verdex_rom = 0x02000000;
93     uint32_t verdex_ram = 0x10000000;
94 
95     cpu = pxa270_init(address_space_mem, verdex_ram, cpu_model ?: "pxa270-c0");
96 
97     dinfo = drive_get(IF_PFLASH, 0, 0);
98     if (!dinfo) {
99         fprintf(stderr, "A flash image must be given with the "
100                 "'pflash' parameter\n");
101         exit(1);
102     }
103 
104 #ifdef TARGET_WORDS_BIGENDIAN
105     be = 1;
106 #else
107     be = 0;
108 #endif
109     if (!pflash_cfi01_register(0x00000000, NULL, "verdex.rom", verdex_rom,
110                                dinfo->bdrv, sector_len, verdex_rom / sector_len,
111                                2, 0, 0, 0, 0, be)) {
112         fprintf(stderr, "qemu: Error registering flash memory.\n");
113         exit(1);
114     }
115 
116     /* Interrupt line of NIC is connected to GPIO line 99 */
117     smc91c111_init(&nd_table[0], 0x04000300,
118                     qdev_get_gpio_in(cpu->gpio, 99));
119 }
120 
121 static QEMUMachine connex_machine = {
122     .name = "connex",
123     .desc = "Gumstix Connex (PXA255)",
124     .init = connex_init,
125 };
126 
127 static QEMUMachine verdex_machine = {
128     .name = "verdex",
129     .desc = "Gumstix Verdex (PXA270)",
130     .init = verdex_init,
131 };
132 
133 static void gumstix_machine_init(void)
134 {
135     qemu_register_machine(&connex_machine);
136     qemu_register_machine(&verdex_machine);
137 }
138 
139 machine_init(gumstix_machine_init);
140