LXR qemu/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 "sysemu/blockdev.h"
  44#include "exec/address-spaces.h"
  45
  46static const int sector_len = 128 * 1024;
  47
  48static 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
  84static 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
 121static QEMUMachine connex_machine = {
 122    .name = "connex",
 123    .desc = "Gumstix Connex (PXA255)",
 124    .init = connex_init,
 125    DEFAULT_MACHINE_OPTIONS,
 126};
 127
 128static QEMUMachine verdex_machine = {
 129    .name = "verdex",
 130    .desc = "Gumstix Verdex (PXA270)",
 131    .init = verdex_init,
 132    DEFAULT_MACHINE_OPTIONS,
 133};
 134
 135static void gumstix_machine_init(void)
 136{
 137    qemu_register_machine(&connex_machine);
 138    qemu_register_machine(&verdex_machine);
 139}
 140
 141machine_init(gumstix_machine_init);
 142