static void ref405ep_init(MachineState *machine) { ram_addr_t ram_size = machine->ram_size; const char *kernel_filename = machine->kernel_filename; const char *kernel_cmdline = machine->kernel_cmdline; const char *initrd_filename = machine->initrd_filename; char *filename; ppc4xx_bd_info_t bd; CPUPPCState *env; qemu_irq *pic; MemoryRegion *bios; MemoryRegion *sram = g_new(MemoryRegion, 1); ram_addr_t bdloc; MemoryRegion *ram_memories = g_malloc(2 * sizeof(*ram_memories)); hwaddr ram_bases[2], ram_sizes[2]; target_ulong sram_size; long bios_size; //int phy_addr = 0; //static int phy_addr = 1; target_ulong kernel_base, initrd_base; long kernel_size, initrd_size; int linux_boot; int fl_idx, fl_sectors, len; DriveInfo *dinfo; MemoryRegion *sysmem = get_system_memory(); /* XXX: fix this */ memory_region_allocate_system_memory(&ram_memories[0], NULL, "ef405ep.ram", 0x08000000); ram_bases[0] = 0; ram_sizes[0] = 0x08000000; memory_region_init(&ram_memories[1], NULL, "ef405ep.ram1", 0); ram_bases[1] = 0x00000000; ram_sizes[1] = 0x00000000; ram_size = 128 * 1024 * 1024; #ifdef DEBUG_BOARD_INIT printf("%s: register cpu\n", __func__); #endif env = ppc405ep_init(sysmem, ram_memories, ram_bases, ram_sizes, 33333333, &pic, kernel_filename == NULL ? 0 : 1); /* allocate SRAM */ sram_size = 512 * 1024; memory_region_init_ram(sram, NULL, "ef405ep.sram", sram_size, &error_abort); vmstate_register_ram_global(sram); memory_region_add_subregion(sysmem, 0xFFF00000, sram); /* allocate and load BIOS */ #ifdef DEBUG_BOARD_INIT printf("%s: register BIOS\n", __func__); #endif fl_idx = 0; #ifdef USE_FLASH_BIOS dinfo = drive_get(IF_PFLASH, 0, fl_idx); if (dinfo) { BlockBackend *blk = blk_by_legacy_dinfo(dinfo); bios_size = blk_getlength(blk); fl_sectors = (bios_size + 65535) >> 16; #ifdef DEBUG_BOARD_INIT printf("Register parallel flash %d size %lx" " at addr %lx '%s' %d\n", fl_idx, bios_size, -bios_size, blk_name(blk), fl_sectors); #endif pflash_cfi02_register((uint32_t)(-bios_size), NULL, "ef405ep.bios", bios_size, blk, 65536, fl_sectors, 1, 2, 0x0001, 0x22DA, 0x0000, 0x0000, 0x555, 0x2AA, 1); fl_idx++; } else #endif { #ifdef DEBUG_BOARD_INIT printf("Load BIOS from file\n"); #endif bios = g_new(MemoryRegion, 1); memory_region_init_ram(bios, NULL, "ef405ep.bios", BIOS_SIZE, &error_abort); vmstate_register_ram_global(bios); if (bios_name == NULL) bios_name = BIOS_FILENAME; filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name); if (filename) { bios_size = load_image(filename, memory_region_get_ram_ptr(bios)); g_free(filename); if (bios_size < 0 || bios_size > BIOS_SIZE) { error_report("Could not load PowerPC BIOS '%s'", bios_name); exit(1); } bios_size = (bios_size + 0xfff) & ~0xfff; memory_region_add_subregion(sysmem, (uint32_t)(-bios_size), bios); } else if (!qtest_enabled() || kernel_filename != NULL) { error_report("Could not load PowerPC BIOS '%s'", bios_name); exit(1); } else { /* Avoid an uninitialized variable warning */ bios_size = -1; } memory_region_set_readonly(bios, true); } /* Register FPGA */ #ifdef DEBUG_BOARD_INIT printf("%s: register FPGA\n", __func__); #endif ref405ep_fpga_init(sysmem, 0xF0300000); /* Register NVRAM */ #ifdef DEBUG_BOARD_INIT printf("%s: register NVRAM\n", __func__); #endif m48t59_init(NULL, 0xF0000000, 0, 8192, 1968, 8); /* Load kernel */ linux_boot = (kernel_filename != NULL); if (linux_boot) { #ifdef DEBUG_BOARD_INIT printf("%s: load kernel\n", __func__); #endif memset(&bd, 0, sizeof(bd)); bd.bi_memstart = 0x00000000; bd.bi_memsize = ram_size; bd.bi_flashstart = -bios_size; bd.bi_flashsize = -bios_size; bd.bi_flashoffset = 0; bd.bi_sramstart = 0xFFF00000; bd.bi_sramsize = sram_size; bd.bi_bootflags = 0; bd.bi_intfreq = 133333333; bd.bi_busfreq = 33333333; bd.bi_baudrate = 115200; bd.bi_s_version[0] = 'Q'; bd.bi_s_version[1] = 'M'; bd.bi_s_version[2] = 'U'; bd.bi_s_version[3] = '\0'; bd.bi_r_version[0] = 'Q'; bd.bi_r_version[1] = 'E'; bd.bi_r_version[2] = 'M'; bd.bi_r_version[3] = 'U'; bd.bi_r_version[4] = '\0'; bd.bi_procfreq = 133333333; bd.bi_plb_busfreq = 33333333; bd.bi_pci_busfreq = 33333333; bd.bi_opbfreq = 33333333; bdloc = ppc405_set_bootinfo(env, &bd, 0x00000001); env->gpr[3] = bdloc; kernel_base = KERNEL_LOAD_ADDR; /* now we can load the kernel */ kernel_size = load_image_targphys(kernel_filename, kernel_base, ram_size - kernel_base); if (kernel_size < 0) { fprintf(stderr, "qemu: could not load kernel '%s'\n", kernel_filename); exit(1); } printf("Load kernel size %ld at " TARGET_FMT_lx, kernel_size, kernel_base); /* load initrd */ if (initrd_filename) { initrd_base = INITRD_LOAD_ADDR; initrd_size = load_image_targphys(initrd_filename, initrd_base, ram_size - initrd_base); if (initrd_size < 0) { fprintf(stderr, "qemu: could not load initial ram disk '%s'\n", initrd_filename); exit(1); } } else { initrd_base = 0; initrd_size = 0; } env->gpr[4] = initrd_base; env->gpr[5] = initrd_size; if (kernel_cmdline != NULL) { len = strlen(kernel_cmdline); bdloc -= ((len + 255) & ~255); cpu_physical_memory_write(bdloc, kernel_cmdline, len + 1); env->gpr[6] = bdloc; env->gpr[7] = bdloc + len; } else { env->gpr[6] = 0; env->gpr[7] = 0; } env->nip = KERNEL_LOAD_ADDR; } else { kernel_base = 0; kernel_size = 0; initrd_base = 0; initrd_size = 0; bdloc = 0; } #ifdef DEBUG_BOARD_INIT printf("bdloc " RAM_ADDR_FMT "\n", bdloc); printf("%s: Done\n", __func__); #endif }