1 /* 2 * SHIX 2.0 board description 3 * 4 * Copyright (c) 2005 Samuel Tardieu 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 /* 25 Shix 2.0 board by Alexis Polti, described at 26 http://perso.enst.fr/~polti/realisations/shix20/ 27 28 More information in target-sh4/README.sh4 29 */ 30 #include "qemu/osdep.h" 31 #include "qapi/error.h" 32 #include "hw/hw.h" 33 #include "hw/sh4/sh.h" 34 #include "sysemu/sysemu.h" 35 #include "sysemu/qtest.h" 36 #include "hw/boards.h" 37 #include "hw/loader.h" 38 #include "exec/address-spaces.h" 39 #include "qemu/error-report.h" 40 41 #define BIOS_FILENAME "shix_bios.bin" 42 #define BIOS_ADDRESS 0xA0000000 43 44 static void shix_init(MachineState *machine) 45 { 46 const char *cpu_model = machine->cpu_model; 47 int ret; 48 SuperHCPU *cpu; 49 struct SH7750State *s; 50 MemoryRegion *sysmem = get_system_memory(); 51 MemoryRegion *rom = g_new(MemoryRegion, 1); 52 MemoryRegion *sdram = g_new(MemoryRegion, 2); 53 54 if (!cpu_model) 55 cpu_model = "any"; 56 57 cpu = cpu_sh4_init(cpu_model); 58 if (cpu == NULL) { 59 fprintf(stderr, "Unable to find CPU definition\n"); 60 exit(1); 61 } 62 63 /* Allocate memory space */ 64 memory_region_init_ram(rom, NULL, "shix.rom", 0x4000, &error_fatal); 65 vmstate_register_ram_global(rom); 66 memory_region_set_readonly(rom, true); 67 memory_region_add_subregion(sysmem, 0x00000000, rom); 68 memory_region_init_ram(&sdram[0], NULL, "shix.sdram1", 0x01000000, 69 &error_fatal); 70 vmstate_register_ram_global(&sdram[0]); 71 memory_region_add_subregion(sysmem, 0x08000000, &sdram[0]); 72 memory_region_init_ram(&sdram[1], NULL, "shix.sdram2", 0x01000000, 73 &error_fatal); 74 vmstate_register_ram_global(&sdram[1]); 75 memory_region_add_subregion(sysmem, 0x0c000000, &sdram[1]); 76 77 /* Load BIOS in 0 (and access it through P2, 0xA0000000) */ 78 if (bios_name == NULL) 79 bios_name = BIOS_FILENAME; 80 ret = load_image_targphys(bios_name, 0, 0x4000); 81 if (ret < 0 && !qtest_enabled()) { 82 error_report("Could not load SHIX bios '%s'", bios_name); 83 exit(1); 84 } 85 86 /* Register peripherals */ 87 s = sh7750_init(cpu, sysmem); 88 /* XXXXX Check success */ 89 tc58128_init(s, "shix_linux_nand.bin", NULL); 90 } 91 92 static void shix_machine_init(MachineClass *mc) 93 { 94 mc->desc = "shix card"; 95 mc->init = shix_init; 96 mc->is_default = 1; 97 } 98 99 DEFINE_MACHINE("shix", shix_machine_init) 100