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(int ram_size, int vga_ram_size,
  45                 const char *boot_device, DisplayState *ds,
  46                 const char *kernel_filename, const char *kernel_cmdline,
  47                 const char *initrd_filename, const char *cpu_model)
  48 {
  49     struct pxa2xx_state_s *cpu;
  50     int index;
  51
  52     uint32_t connex_rom = 0x01000000;
  53     uint32_t connex_ram = 0x04000000;
  54
  55     if (ram_size < (connex_ram + connex_rom + PXA2XX_INTERNAL_SIZE)) {
  56         fprintf(stderr, "This platform requires %i bytes of memory\n",
  57                 connex_ram + connex_rom + PXA2XX_INTERNAL_SIZE);
  58         exit(1);
  59     }
  60
  61     cpu = pxa255_init(connex_ram, ds);
  62
  63     index = drive_get_index(IF_PFLASH, 0, 0);
  64     if (index == -1) {
  65         fprintf(stderr, "A flash image must be given with the "
  66                 "'pflash' parameter\n");
  67         exit(1);
  68     }
  69
  70     if (!pflash_cfi01_register(0x00000000, qemu_ram_alloc(connex_rom),
  71             drives_table[index].bdrv, sector_len, connex_rom / sector_len,
  72             2, 0, 0, 0, 0)) {
  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(int ram_size, int vga_ram_size,
  85                 const char *boot_device, DisplayState *ds,
  86                 const char *kernel_filename, const char *kernel_cmdline,
  87                 const char *initrd_filename, const char *cpu_model)
  88 {
  89     struct pxa2xx_state_s *cpu;
  90     int index;
  91
  92     uint32_t verdex_rom = 0x02000000;
  93     uint32_t verdex_ram = 0x10000000;
  94
  95     if (ram_size < (verdex_ram + verdex_rom + PXA2XX_INTERNAL_SIZE)) {
  96         fprintf(stderr, "This platform requires %i bytes of memory\n",
  97                 verdex_ram + verdex_rom + PXA2XX_INTERNAL_SIZE);
  98         exit(1);
  99     }
 100
 101     cpu = pxa270_init(verdex_ram, ds, cpu_model ?: "pxa270-c0");
 102
 103     index = drive_get_index(IF_PFLASH, 0, 0);
 104     if (index == -1) {
 105         fprintf(stderr, "A flash image must be given with the "
 106                 "'pflash' parameter\n");
 107         exit(1);
 108     }
 109
 110     if (!pflash_cfi01_register(0x00000000, qemu_ram_alloc(verdex_rom),
 111             drives_table[index].bdrv, sector_len, verdex_rom / sector_len,
 112             2, 0, 0, 0, 0)) {
 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 QEMUMachine connex_machine = {
 125     "connex",
 126     "Gumstix Connex (PXA255)",
 127     connex_init,
 128 };
 129
 130 QEMUMachine verdex_machine = {
 131     "verdex",
 132     "Gumstix Verdex (PXA270)",
 133     verdex_init,
 134 };