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 "sysemu.h"
  39 #include "devices.h"
  40 #include "boards.h"
  41
  42 static const int sector_len = 128 * 1024;
  43
  44 static void connex_init(ram_addr_t ram_size,
  45                 const char *boot_device,
  46                 const char *kernel_filename, const char *kernel_cmdline,
  47                 const char *initrd_filename, const char *cpu_model)
  48 {
  49     PXA2xxState *cpu;
  50     int index;
  51
  52     uint32_t connex_rom = 0x01000000;
  53     uint32_t connex_ram = 0x04000000;
  54
  55     cpu = pxa255_init(connex_ram);
  56
  57     index = drive_get_index(IF_PFLASH, 0, 0);
  58     if (index == -1) {
  59         fprintf(stderr, "A flash image must be given with the "
  60                 "'pflash' parameter\n");
  61         exit(1);
  62     }
  63
  64     if (!pflash_cfi01_register(0x00000000, qemu_ram_alloc(connex_rom),
  65             drives_table[index].bdrv, sector_len, connex_rom / sector_len,
  66             2, 0, 0, 0, 0)) {
  67         fprintf(stderr, "qemu: Error registering flash memory.\n");
  68         exit(1);
  69     }
  70
  71     cpu->env->regs[15] = 0x00000000;
  72
  73     /* Interrupt line of NIC is connected to GPIO line 36 */
  74     smc91c111_init(&nd_table[0], 0x04000300,
  75                     pxa2xx_gpio_in_get(cpu->gpio)[36]);
  76 }
  77
  78 static void verdex_init(ram_addr_t ram_size,
  79                 const char *boot_device,
  80                 const char *kernel_filename, const char *kernel_cmdline,
  81                 const char *initrd_filename, const char *cpu_model)
  82 {
  83     PXA2xxState *cpu;
  84     int index;
  85
  86     uint32_t verdex_rom = 0x02000000;
  87     uint32_t verdex_ram = 0x10000000;
  88
  89     cpu = pxa270_init(verdex_ram, cpu_model ?: "pxa270-c0");
  90
  91     index = drive_get_index(IF_PFLASH, 0, 0);
  92     if (index == -1) {
  93         fprintf(stderr, "A flash image must be given with the "
  94                 "'pflash' parameter\n");
  95         exit(1);
  96     }
  97
  98     if (!pflash_cfi01_register(0x00000000, qemu_ram_alloc(verdex_rom),
  99             drives_table[index].bdrv, sector_len, verdex_rom / sector_len,
 100             2, 0, 0, 0, 0)) {
 101         fprintf(stderr, "qemu: Error registering flash memory.\n");
 102         exit(1);
 103     }
 104
 105     cpu->env->regs[15] = 0x00000000;
 106
 107     /* Interrupt line of NIC is connected to GPIO line 99 */
 108     smc91c111_init(&nd_table[0], 0x04000300,
 109                     pxa2xx_gpio_in_get(cpu->gpio)[99]);
 110 }
 111
 112 static QEMUMachine connex_machine = {
 113     .name = "connex",
 114     .desc = "Gumstix Connex (PXA255)",
 115     .init = connex_init,
 116 };
 117
 118 static QEMUMachine verdex_machine = {
 119     .name = "verdex",
 120     .desc = "Gumstix Verdex (PXA270)",
 121     .init = verdex_init,
 122 };
 123
 124 static void gumstix_machine_init(void)
 125 {
 126     qemu_register_machine(&connex_machine);
 127     qemu_register_machine(&verdex_machine);
 128 }
 129
 130 machine_init(gumstix_machine_init);