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 "cpu.h" 33 #include "hw/sh4/sh.h" 34 #include "sysemu/qtest.h" 35 #include "hw/boards.h" 36 #include "hw/loader.h" 37 #include "qemu/error-report.h" 38 39 #define BIOS_FILENAME "shix_bios.bin" 40 #define BIOS_ADDRESS 0xA0000000 41 42 static void shix_init(MachineState *machine) 43 { 44 int ret; 45 SuperHCPU *cpu; 46 struct SH7750State *s; 47 MemoryRegion *sysmem = get_system_memory(); 48 MemoryRegion *rom = g_new(MemoryRegion, 1); 49 MemoryRegion *sdram = g_new(MemoryRegion, 2); 50 const char *bios_name = machine->firmware ?: BIOS_FILENAME; 51 52 cpu = SUPERH_CPU(cpu_create(machine->cpu_type)); 53 54 /* Allocate memory space */ 55 memory_region_init_rom(rom, NULL, "shix.rom", 0x4000, &error_fatal); 56 memory_region_add_subregion(sysmem, 0x00000000, rom); 57 memory_region_init_ram(&sdram[0], NULL, "shix.sdram1", 0x01000000, 58 &error_fatal); 59 memory_region_add_subregion(sysmem, 0x08000000, &sdram[0]); 60 memory_region_init_ram(&sdram[1], NULL, "shix.sdram2", 0x01000000, 61 &error_fatal); 62 memory_region_add_subregion(sysmem, 0x0c000000, &sdram[1]); 63 64 /* Load BIOS in 0 (and access it through P2, 0xA0000000) */ 65 ret = load_image_targphys(bios_name, 0, 0x4000); 66 if (ret < 0 && !qtest_enabled()) { 67 error_report("Could not load SHIX bios '%s'", bios_name); 68 exit(1); 69 } 70 71 /* Register peripherals */ 72 s = sh7750_init(cpu, sysmem); 73 /* XXXXX Check success */ 74 tc58128_init(s, "shix_linux_nand.bin", NULL); 75 } 76 77 static void shix_machine_init(MachineClass *mc) 78 { 79 mc->desc = "shix card"; 80 mc->init = shix_init; 81 mc->is_default = true; 82 mc->default_cpu_type = TYPE_SH7750R_CPU; 83 } 84 85 DEFINE_MACHINE("shix", shix_machine_init) 86