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     DriveInfo *dinfo;
  51     int be;
  52
  53     uint32_t connex_rom = 0x01000000;
  54     uint32_t connex_ram = 0x04000000;
  55
  56     cpu = pxa255_init(connex_ram);
  57
  58     dinfo = drive_get(IF_PFLASH, 0, 0);
  59     if (!dinfo) {
  60         fprintf(stderr, "A flash image must be given with the "
  61                 "'pflash' parameter\n");
  62         exit(1);
  63     }
  64
  65 #ifdef TARGET_WORDS_BIGENDIAN
  66     be = 1;
  67 #else
  68     be = 0;
  69 #endif
  70     if (!pflash_cfi01_register(0x00000000, qemu_ram_alloc(connex_rom),
  71                                dinfo->bdrv, sector_len, connex_rom / sector_len,
  72                                2, 0, 0, 0, 0, be)) {
  73         fprintf(stderr, "qemu: Error registering flash memory.\n");
  74         exit(1);
  75     }
  76
  77     cpu->env->regs[15] = 0x00000000;
  78
  79     /* Interrupt line of NIC is connected to GPIO line 36 */
  80     smc91c111_init(&nd_table[0], 0x04000300,
  81                     pxa2xx_gpio_in_get(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
  93     uint32_t verdex_rom = 0x02000000;
  94     uint32_t verdex_ram = 0x10000000;
  95
  96     cpu = pxa270_init(verdex_ram, cpu_model ?: "pxa270-c0");
  97
  98     dinfo = drive_get(IF_PFLASH, 0, 0);
  99     if (!dinfo) {
 100         fprintf(stderr, "A flash image must be given with the "
 101                 "'pflash' parameter\n");
 102         exit(1);
 103     }
 104
 105 #ifdef TARGET_WORDS_BIGENDIAN
 106     be = 1;
 107 #else
 108     be = 0;
 109 #endif
 110     if (!pflash_cfi01_register(0x00000000, qemu_ram_alloc(verdex_rom),
 111                                dinfo->bdrv, sector_len, verdex_rom / sector_len,
 112                                2, 0, 0, 0, 0, be)) {
 113         fprintf(stderr, "qemu: Error registering flash memory.\n");
 114         exit(1);
 115     }
 116
 117     cpu->env->regs[15] = 0x00000000;
 118
 119     /* Interrupt line of NIC is connected to GPIO line 99 */
 120     smc91c111_init(&nd_table[0], 0x04000300,
 121                     pxa2xx_gpio_in_get(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);