hw/gumstix.c

   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.h"
  38 #include "pxa.h"
  39 #include "net/net.h"
  40 #include "flash.h"
  41 #include "devices.h"
  42 #include "boards.h"
  43 #include "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);