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
  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(NULL, "connext.rom",
  71                                                           connex_rom),
  72                                dinfo->bdrv, sector_len, connex_rom / sector_len,
  73                                2, 0, 0, 0, 0, be)) {
  74         fprintf(stderr, "qemu: Error registering flash memory.\n");
  75         exit(1);
  76     }
  77
  78     /* Interrupt line of NIC is connected to GPIO line 36 */
  79     smc91c111_init(&nd_table[0], 0x04000300,
  80                     qdev_get_gpio_in(cpu->gpio, 36));
  81 }
  82
  83 static void verdex_init(ram_addr_t ram_size,
  84                 const char *boot_device,
  85                 const char *kernel_filename, const char *kernel_cmdline,
  86                 const char *initrd_filename, const char *cpu_model)
  87 {
  88     PXA2xxState *cpu;
  89     DriveInfo *dinfo;
  90     int be;
  91
  92     uint32_t verdex_rom = 0x02000000;
  93     uint32_t verdex_ram = 0x10000000;
  94
  95     cpu = pxa270_init(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, qemu_ram_alloc(NULL, "verdex.rom",
 110                                                           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     /* Interrupt line of NIC is connected to GPIO line 99 */
 118     smc91c111_init(&nd_table[0], 0x04000300,
 119                     qdev_get_gpio_in(cpu->gpio, 99));
 120 }
 121
 122 static QEMUMachine connex_machine = {
 123     .name = "connex",
 124     .desc = "Gumstix Connex (PXA255)",
 125     .init = connex_init,
 126 };
 127
 128 static QEMUMachine verdex_machine = {
 129     .name = "verdex",
 130     .desc = "Gumstix Verdex (PXA270)",
 131     .init = verdex_init,
 132 };
 133
 134 static void gumstix_machine_init(void)
 135 {
 136     qemu_register_machine(&connex_machine);
 137     qemu_register_machine(&verdex_machine);
 138 }
 139
 140 machine_init(gumstix_machine_init);