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 "hw/hw.h" 31 #include "hw/sh4/sh.h" 32 #include "sysemu/sysemu.h" 33 #include "hw/boards.h" 34 #include "hw/loader.h" 35 #include "exec/address-spaces.h" 36 37 #define BIOS_FILENAME "shix_bios.bin" 38 #define BIOS_ADDRESS 0xA0000000 39 40 static void shix_init(QEMUMachineInitArgs *args) 41 { 42 const char *cpu_model = args->cpu_model; 43 int ret; 44 SuperHCPU *cpu; 45 struct SH7750State *s; 46 MemoryRegion *sysmem = get_system_memory(); 47 MemoryRegion *rom = g_new(MemoryRegion, 1); 48 MemoryRegion *sdram = g_new(MemoryRegion, 2); 49 50 if (!cpu_model) 51 cpu_model = "any"; 52 53 printf("Initializing CPU\n"); 54 cpu = cpu_sh4_init(cpu_model); 55 if (cpu == NULL) { 56 fprintf(stderr, "Unable to find CPU definition\n"); 57 exit(1); 58 } 59 60 /* Allocate memory space */ 61 printf("Allocating ROM\n"); 62 memory_region_init_ram(rom, NULL, "shix.rom", 0x4000); 63 vmstate_register_ram_global(rom); 64 memory_region_set_readonly(rom, true); 65 memory_region_add_subregion(sysmem, 0x00000000, rom); 66 printf("Allocating SDRAM 1\n"); 67 memory_region_init_ram(&sdram[0], NULL, "shix.sdram1", 0x01000000); 68 vmstate_register_ram_global(&sdram[0]); 69 memory_region_add_subregion(sysmem, 0x08000000, &sdram[0]); 70 printf("Allocating SDRAM 2\n"); 71 memory_region_init_ram(&sdram[1], NULL, "shix.sdram2", 0x01000000); 72 vmstate_register_ram_global(&sdram[1]); 73 memory_region_add_subregion(sysmem, 0x0c000000, &sdram[1]); 74 75 /* Load BIOS in 0 (and access it through P2, 0xA0000000) */ 76 if (bios_name == NULL) 77 bios_name = BIOS_FILENAME; 78 printf("%s: load BIOS '%s'\n", __func__, bios_name); 79 ret = load_image_targphys(bios_name, 0, 0x4000); 80 if (ret < 0) { /* Check bios size */ 81 fprintf(stderr, "ret=%d\n", ret); 82 fprintf(stderr, "qemu: could not load SHIX bios '%s'\n", 83 bios_name); 84 exit(1); 85 } 86 87 /* Register peripherals */ 88 s = sh7750_init(cpu, sysmem); 89 /* XXXXX Check success */ 90 tc58128_init(s, "shix_linux_nand.bin", NULL); 91 fprintf(stderr, "initialization terminated\n"); 92 } 93 94 static QEMUMachine shix_machine = { 95 .name = "shix", 96 .desc = "shix card", 97 .init = shix_init, 98 .is_default = 1, 99 }; 100 101 static void shix_machine_init(void) 102 { 103 qemu_register_machine(&shix_machine); 104 } 105 106 machine_init(shix_machine_init); 107