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.h"
  40 #include "flash.h"
  41 #include "devices.h"
  42 #include "boards.h"
  43 #include "blockdev.h"
  44 #include "exec-memory.h"
  45
  46 static const int sector_len = 128 * 1024;
  47
  48 static void connex_init(ram_addr_t ram_size,
  49                 const char *boot_device,
  50                 const char *kernel_filename, const char *kernel_cmdline,
  51                 const char *initrd_filename, const char *cpu_model)
  52 {
  53     PXA2xxState *cpu;
  54     DriveInfo *dinfo;
  55     int be;
  56     MemoryRegion *address_space_mem = get_system_memory();
  57
  58     uint32_t connex_rom = 0x01000000;
  59     uint32_t connex_ram = 0x04000000;
  60
  61     cpu = pxa255_init(address_space_mem, connex_ram);
  62
  63     dinfo = drive_get(IF_PFLASH, 0, 0);
  64     if (!dinfo) {
  65         fprintf(stderr, "A flash image must be given with the "
  66                 "'pflash' parameter\n");
  67         exit(1);
  68     }
  69
  70 #ifdef TARGET_WORDS_BIGENDIAN
  71     be = 1;
  72 #else
  73     be = 0;
  74 #endif
  75     if (!pflash_cfi01_register(0x00000000, NULL, "connext.rom", connex_rom,
  76                                dinfo->bdrv, sector_len, connex_rom / sector_len,
  77                                2, 0, 0, 0, 0, be)) {
  78         fprintf(stderr, "qemu: Error registering flash memory.\n");
  79         exit(1);
  80     }
  81
  82     /* Interrupt line of NIC is connected to GPIO line 36 */
  83     smc91c111_init(&nd_table[0], 0x04000300,
  84                     qdev_get_gpio_in(cpu->gpio, 36));
  85 }
  86
  87 static void verdex_init(ram_addr_t ram_size,
  88                 const char *boot_device,
  89                 const char *kernel_filename, const char *kernel_cmdline,
  90                 const char *initrd_filename, const char *cpu_model)
  91 {
  92     PXA2xxState *cpu;
  93     DriveInfo *dinfo;
  94     int be;
  95     MemoryRegion *address_space_mem = get_system_memory();
  96
  97     uint32_t verdex_rom = 0x02000000;
  98     uint32_t verdex_ram = 0x10000000;
  99
 100     cpu = pxa270_init(address_space_mem, verdex_ram, cpu_model ?: "pxa270-c0");
 101
 102     dinfo = drive_get(IF_PFLASH, 0, 0);
 103     if (!dinfo) {
 104         fprintf(stderr, "A flash image must be given with the "
 105                 "'pflash' parameter\n");
 106         exit(1);
 107     }
 108
 109 #ifdef TARGET_WORDS_BIGENDIAN
 110     be = 1;
 111 #else
 112     be = 0;
 113 #endif
 114     if (!pflash_cfi01_register(0x00000000, NULL, "verdex.rom", verdex_rom,
 115                                dinfo->bdrv, sector_len, verdex_rom / sector_len,
 116                                2, 0, 0, 0, 0, be)) {
 117         fprintf(stderr, "qemu: Error registering flash memory.\n");
 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 QEMUMachine connex_machine = {
 127     .name = "connex",
 128     .desc = "Gumstix Connex (PXA255)",
 129     .init = connex_init,
 130 };
 131
 132 static QEMUMachine verdex_machine = {
 133     .name = "verdex",
 134     .desc = "Gumstix Verdex (PXA270)",
 135     .init = verdex_init,
 136 };
 137
 138 static void gumstix_machine_init(void)
 139 {
 140     qemu_register_machine(&connex_machine);
 141     qemu_register_machine(&verdex_machine);
 142 }
 143
 144 machine_init(gumstix_machine_init);