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 https://web.archive.org/web/20070917001736/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 "qemu-common.h" 33 #include "cpu.h" 34 #include "hw/hw.h" 35 #include "hw/sh4/sh.h" 36 #include "sysemu/sysemu.h" 37 #include "sysemu/qtest.h" 38 #include "hw/boards.h" 39 #include "hw/loader.h" 40 #include "exec/address-spaces.h" 41 #include "qemu/error-report.h" 42 43 #define BIOS_FILENAME "shix_bios.bin" 44 #define BIOS_ADDRESS 0xA0000000 45 46 static void shix_init(MachineState *machine) 47 { 48 const char *cpu_model = machine->cpu_model; 49 int ret; 50 SuperHCPU *cpu; 51 struct SH7750State *s; 52 MemoryRegion *sysmem = get_system_memory(); 53 MemoryRegion *rom = g_new(MemoryRegion, 1); 54 MemoryRegion *sdram = g_new(MemoryRegion, 2); 55 56 if (!cpu_model) 57 cpu_model = "any"; 58 59 cpu = cpu_sh4_init(cpu_model); 60 if (cpu == NULL) { 61 fprintf(stderr, "Unable to find CPU definition\n"); 62 exit(1); 63 } 64 65 /* Allocate memory space */ 66 memory_region_init_ram(rom, NULL, "shix.rom", 0x4000, &error_fatal); 67 vmstate_register_ram_global(rom); 68 memory_region_set_readonly(rom, true); 69 memory_region_add_subregion(sysmem, 0x00000000, rom); 70 memory_region_init_ram(&sdram[0], NULL, "shix.sdram1", 0x01000000, 71 &error_fatal); 72 vmstate_register_ram_global(&sdram[0]); 73 memory_region_add_subregion(sysmem, 0x08000000, &sdram[0]); 74 memory_region_init_ram(&sdram[1], NULL, "shix.sdram2", 0x01000000, 75 &error_fatal); 76 vmstate_register_ram_global(&sdram[1]); 77 memory_region_add_subregion(sysmem, 0x0c000000, &sdram[1]); 78 79 /* Load BIOS in 0 (and access it through P2, 0xA0000000) */ 80 if (bios_name == NULL) 81 bios_name = BIOS_FILENAME; 82 ret = load_image_targphys(bios_name, 0, 0x4000); 83 if (ret < 0 && !qtest_enabled()) { 84 error_report("Could not load SHIX bios '%s'", bios_name); 85 exit(1); 86 } 87 88 /* Register peripherals */ 89 s = sh7750_init(cpu, sysmem); 90 /* XXXXX Check success */ 91 tc58128_init(s, "shix_linux_nand.bin", NULL); 92 } 93 94 static void shix_machine_init(MachineClass *mc) 95 { 96 mc->desc = "shix card"; 97 mc->init = shix_init; 98 mc->is_default = 1; 99 } 100 101 DEFINE_MACHINE("shix", shix_machine_init) 102