hw/arm/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/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 #include "sysemu/qtest.h"
  46
  47 static const int sector_len = 128 * 1024;
  48
  49 static void connex_init(QEMUMachineInitArgs *args)
  50 {
  51     PXA2xxState *cpu;
  52     DriveInfo *dinfo;
  53     int be;
  54     MemoryRegion *address_space_mem = get_system_memory();
  55
  56     uint32_t connex_rom = 0x01000000;
  57     uint32_t connex_ram = 0x04000000;
  58
  59     cpu = pxa255_init(address_space_mem, connex_ram);
  60
  61     dinfo = drive_get(IF_PFLASH, 0, 0);
  62     if (!dinfo && !qtest_enabled()) {
  63         fprintf(stderr, "A flash image must be given with the "
  64                 "'pflash' parameter\n");
  65         exit(1);
  66     }
  67
  68 #ifdef TARGET_WORDS_BIGENDIAN
  69     be = 1;
  70 #else
  71     be = 0;
  72 #endif
  73     if (!pflash_cfi01_register(0x00000000, NULL, "connext.rom", connex_rom,
  74                                dinfo ? dinfo->bdrv : NULL,
  75                                sector_len, connex_rom / sector_len,
  76                                2, 0, 0, 0, 0, be)) {
  77         fprintf(stderr, "qemu: Error registering flash memory.\n");
  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(QEMUMachineInitArgs *args)
  87 {
  88     const char *cpu_model = args->cpu_model;
  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, cpu_model ?: "pxa270-c0");
  98
  99     dinfo = drive_get(IF_PFLASH, 0, 0);
 100     if (!dinfo && !qtest_enabled()) {
 101         fprintf(stderr, "A flash image must be given with the "
 102                 "'pflash' parameter\n");
 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, NULL, "verdex.rom", verdex_rom,
 112                                dinfo ? dinfo->bdrv : NULL,
 113                                sector_len, verdex_rom / sector_len,
 114                                2, 0, 0, 0, 0, be)) {
 115         fprintf(stderr, "qemu: Error registering flash memory.\n");
 116         exit(1);
 117     }
 118
 119     /* Interrupt line of NIC is connected to GPIO line 99 */
 120     smc91c111_init(&nd_table[0], 0x04000300,
 121                     qdev_get_gpio_in(cpu->gpio, 99));
 122 }
 123
 124 static QEMUMachine connex_machine = {
 125     .name = "connex",
 126     .desc = "Gumstix Connex (PXA255)",
 127     .init = connex_init,
 128 };
 129
 130 static QEMUMachine verdex_machine = {
 131     .name = "verdex",
 132     .desc = "Gumstix Verdex (PXA270)",
 133     .init = verdex_init,
 134 };
 135
 136 static void gumstix_machine_init(void)
 137 {
 138     qemu_register_machine(&connex_machine);
 139     qemu_register_machine(&verdex_machine);
 140 }
 141
 142 machine_init(gumstix_machine_init);