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
  11 /*
  12  * Example usage:
  13  *
  14  * connex:
  15  * =======
  16  * create image:
  17  * # dd of=flash bs=1k count=16k if=/dev/zero
  18  * # dd of=flash bs=1k conv=notrunc if=u-boot.bin
  19  * # dd of=flash bs=1k conv=notrunc seek=256 if=rootfs.arm_nofpu.jffs2
  20  * start it:
  21  * # qemu-system-arm -M connex -pflash flash -monitor null -nographic
  22  *
  23  * verdex:
  24  * =======
  25  * create image:
  26  * # dd of=flash bs=1k count=32k if=/dev/zero
  27  * # dd of=flash bs=1k conv=notrunc if=u-boot.bin
  28  * # dd of=flash bs=1k conv=notrunc seek=256 if=rootfs.arm_nofpu.jffs2
  29  * # dd of=flash bs=1k conv=notrunc seek=31744 if=uImage
  30  * start it:
  31  * # qemu-system-arm -M verdex -pflash flash -monitor null -nographic -m 289
  32  */
  33
  34 #include "hw.h"
  35 #include "pxa.h"
  36 #include "net.h"
  37 #include "flash.h"
  38 #include "devices.h"
  39 #include "boards.h"
  40 #include "blockdev.h"
  41 #include "exec-memory.h"
  42
  43 static const int sector_len = 128 * 1024;
  44
  45 static void connex_init(ram_addr_t ram_size,
  46                 const char *boot_device,
  47                 const char *kernel_filename, const char *kernel_cmdline,
  48                 const char *initrd_filename, const char *cpu_model)
  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(ram_addr_t ram_size,
  85                 const char *boot_device,
  86                 const char *kernel_filename, const char *kernel_cmdline,
  87                 const char *initrd_filename, const char *cpu_model)
  88 {
  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) {
 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->bdrv, sector_len, verdex_rom / sector_len,
 113                                2, 0, 0, 0, 0, be)) {
 114         fprintf(stderr, "qemu: Error registering flash memory.\n");
 115         exit(1);
 116     }
 117
 118     /* Interrupt line of NIC is connected to GPIO line 99 */
 119     smc91c111_init(&nd_table[0], 0x04000300,
 120                     qdev_get_gpio_in(cpu->gpio, 99));
 121 }
 122
 123 static QEMUMachine connex_machine = {
 124     .name = "connex",
 125     .desc = "Gumstix Connex (PXA255)",
 126     .init = connex_init,
 127 };
 128
 129 static QEMUMachine verdex_machine = {
 130     .name = "verdex",
 131     .desc = "Gumstix Verdex (PXA270)",
 132     .init = verdex_init,
 133 };
 134
 135 static void gumstix_machine_init(void)
 136 {
 137     qemu_register_machine(&connex_machine);
 138     qemu_register_machine(&verdex_machine);
 139 }
 140
 141 machine_init(gumstix_machine_init);