hw/arm/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  * Contributions after 2012-01-13 are licensed under the terms of the
  11  * GNU GPL, version 2 or (at your option) any later version.
  12  */
  13
  14 /*
  15  * Example usage:
  16  *
  17  * connex:
  18  * =======
  19  * create image:
  20  * # dd of=flash bs=1k count=16k if=/dev/zero
  21  * # dd of=flash bs=1k conv=notrunc if=u-boot.bin
  22  * # dd of=flash bs=1k conv=notrunc seek=256 if=rootfs.arm_nofpu.jffs2
  23  * start it:
  24  * # qemu-system-arm -M connex -pflash flash -monitor null -nographic
  25  *
  26  * verdex:
  27  * =======
  28  * create image:
  29  * # dd of=flash bs=1k count=32k if=/dev/zero
  30  * # dd of=flash bs=1k conv=notrunc if=u-boot.bin
  31  * # dd of=flash bs=1k conv=notrunc seek=256 if=rootfs.arm_nofpu.jffs2
  32  * # dd of=flash bs=1k conv=notrunc seek=31744 if=uImage
  33  * start it:
  34  * # qemu-system-arm -M verdex -pflash flash -monitor null -nographic -m 289
  35  */
  36
  37 #include "qemu/osdep.h"
  38 #include "qemu/error-report.h"
  39 #include "hw/hw.h"
  40 #include "hw/arm/pxa.h"
  41 #include "net/net.h"
  42 #include "hw/block/flash.h"
  43 #include "hw/devices.h"
  44 #include "hw/boards.h"
  45 #include "sysemu/block-backend.h"
  46 #include "exec/address-spaces.h"
  47 #include "sysemu/qtest.h"
  48 #include "cpu.h"
  49
  50 static const int sector_len = 128 * 1024;
  51
  52 static void connex_init(MachineState *machine)
  53 {
  54     PXA2xxState *cpu;
  55     DriveInfo *dinfo;
  56     int be;
  57     MemoryRegion *address_space_mem = get_system_memory();
  58
  59     uint32_t connex_rom = 0x01000000;
  60     uint32_t connex_ram = 0x04000000;
  61
  62     cpu = pxa255_init(address_space_mem, connex_ram);
  63
  64     dinfo = drive_get(IF_PFLASH, 0, 0);
  65     if (!dinfo && !qtest_enabled()) {
  66         error_report("A flash image must be given with the "
  67                      "'pflash' parameter");
  68         exit(1);
  69     }
  70
  71 #ifdef TARGET_WORDS_BIGENDIAN
  72     be = 1;
  73 #else
  74     be = 0;
  75 #endif
  76     if (!pflash_cfi01_register(0x00000000, NULL, "connext.rom", connex_rom,
  77                                dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
  78                                sector_len, connex_rom / sector_len,
  79                                2, 0, 0, 0, 0, be)) {
  80         error_report("Error registering flash memory");
  81         exit(1);
  82     }
  83
  84     /* Interrupt line of NIC is connected to GPIO line 36 */
  85     smc91c111_init(&nd_table[0], 0x04000300,
  86                     qdev_get_gpio_in(cpu->gpio, 36));
  87 }
  88
  89 static void verdex_init(MachineState *machine)
  90 {
  91     PXA2xxState *cpu;
  92     DriveInfo *dinfo;
  93     int be;
  94     MemoryRegion *address_space_mem = get_system_memory();
  95
  96     uint32_t verdex_rom = 0x02000000;
  97     uint32_t verdex_ram = 0x10000000;
  98
  99     cpu = pxa270_init(address_space_mem, verdex_ram, machine->cpu_type);
 100
 101     dinfo = drive_get(IF_PFLASH, 0, 0);
 102     if (!dinfo && !qtest_enabled()) {
 103         error_report("A flash image must be given with the "
 104                      "'pflash' parameter");
 105         exit(1);
 106     }
 107
 108 #ifdef TARGET_WORDS_BIGENDIAN
 109     be = 1;
 110 #else
 111     be = 0;
 112 #endif
 113     if (!pflash_cfi01_register(0x00000000, NULL, "verdex.rom", verdex_rom,
 114                                dinfo ? blk_by_legacy_dinfo(dinfo) : NULL,
 115                                sector_len, verdex_rom / sector_len,
 116                                2, 0, 0, 0, 0, be)) {
 117         error_report("Error registering flash memory");
 118         exit(1);
 119     }
 120
 121     /* Interrupt line of NIC is connected to GPIO line 99 */
 122     smc91c111_init(&nd_table[0], 0x04000300,
 123                     qdev_get_gpio_in(cpu->gpio, 99));
 124 }
 125
 126 static void connex_class_init(ObjectClass *oc, void *data)
 127 {
 128     MachineClass *mc = MACHINE_CLASS(oc);
 129
 130     mc->desc = "Gumstix Connex (PXA255)";
 131     mc->init = connex_init;
 132     mc->ignore_memory_transaction_failures = true;
 133 }
 134
 135 static const TypeInfo connex_type = {
 136     .name = MACHINE_TYPE_NAME("connex"),
 137     .parent = TYPE_MACHINE,
 138     .class_init = connex_class_init,
 139 };
 140
 141 static void verdex_class_init(ObjectClass *oc, void *data)
 142 {
 143     MachineClass *mc = MACHINE_CLASS(oc);
 144
 145     mc->desc = "Gumstix Verdex (PXA270)";
 146     mc->init = verdex_init;
 147     mc->ignore_memory_transaction_failures = true;
 148     mc->default_cpu_type = ARM_CPU_TYPE_NAME("pxa270-c0");
 149 }
 150
 151 static const TypeInfo verdex_type = {
 152     .name = MACHINE_TYPE_NAME("verdex"),
 153     .parent = TYPE_MACHINE,
 154     .class_init = verdex_class_init,
 155 };
 156
 157 static void gumstix_machine_init(void)
 158 {
 159     type_register_static(&connex_type);
 160     type_register_static(&verdex_type);
 161 }
 162
 163 type_init(gumstix_machine_init)