2 * QEMU PowerPC CHRP (currently NewWorld PowerMac) hardware System Emulator
4 * Copyright (c) 2004-2007 Fabrice Bellard
5 * Copyright (c) 2007 Jocelyn Mayer
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
28 #include "mac_dbdma.h"
39 #define VGA_BIOS_SIZE 65536
40 #define CFG_ADDR 0xf0000510
46 #define UNIN_DPRINTF(fmt, args...) \
47 do { printf("UNIN: " fmt , ##args); } while (0)
49 #define UNIN_DPRINTF(fmt, args...)
53 static void unin_writel (void *opaque, target_phys_addr_t addr, uint32_t value)
55 UNIN_DPRINTF("writel addr " TARGET_FMT_plx " val %x\n", addr, value);
58 static uint32_t unin_readl (void *opaque, target_phys_addr_t addr)
63 UNIN_DPRINTF("readl addr " TARGET_FMT_plx " val %x\n", addr, value);
68 static CPUWriteMemoryFunc *unin_write[] = {
74 static CPUReadMemoryFunc *unin_read[] = {
80 /* PowerPC Mac99 hardware initialisation */
81 static void ppc_core99_init (ram_addr_t ram_size, int vga_ram_size,
82 const char *boot_device,
83 const char *kernel_filename,
84 const char *kernel_cmdline,
85 const char *initrd_filename,
86 const char *cpu_model)
88 CPUState *env = NULL, *envs[MAX_CPUS];
90 qemu_irq *pic, **openpic_irqs;
93 ram_addr_t ram_offset, vga_ram_offset, bios_offset, vga_bios_offset;
94 uint32_t kernel_base, kernel_size, initrd_base, initrd_size;
98 int vga_bios_size, bios_size;
100 int pic_mem_index, dbdma_mem_index, cuda_mem_index, escc_mem_index;
103 BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
107 linux_boot = (kernel_filename != NULL);
110 if (cpu_model == NULL)
112 for (i = 0; i < smp_cpus; i++) {
113 env = cpu_init(cpu_model);
115 fprintf(stderr, "Unable to find PowerPC CPU definition\n");
118 /* Set time-base frequency to 100 Mhz */
119 cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
121 env->osi_call = vga_osi_call;
123 qemu_register_reset(&cpu_ppc_reset, env);
128 ram_offset = qemu_ram_alloc(ram_size);
129 cpu_register_physical_memory(0, ram_size, ram_offset);
131 /* allocate VGA RAM */
132 vga_ram_offset = qemu_ram_alloc(vga_ram_size);
134 /* allocate and load BIOS */
135 bios_offset = qemu_ram_alloc(BIOS_SIZE);
136 if (bios_name == NULL)
137 bios_name = PROM_FILENAME;
138 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
139 cpu_register_physical_memory(PROM_ADDR, BIOS_SIZE, bios_offset | IO_MEM_ROM);
141 /* Load OpenBIOS (ELF) */
142 bios_size = load_elf(buf, 0, NULL, NULL, NULL);
143 if (bios_size < 0 || bios_size > BIOS_SIZE) {
144 cpu_abort(env, "qemu: could not load PowerPC bios '%s'\n", buf);
148 /* allocate and load VGA BIOS */
149 vga_bios_offset = qemu_ram_alloc(VGA_BIOS_SIZE);
150 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_FILENAME);
151 vga_bios_size = load_image(buf, phys_ram_base + vga_bios_offset + 8);
152 if (vga_bios_size < 0) {
153 /* if no bios is present, we can still work */
154 fprintf(stderr, "qemu: warning: could not load VGA bios '%s'\n", buf);
157 /* set a specific header (XXX: find real Apple format for NDRV
159 phys_ram_base[vga_bios_offset] = 'N';
160 phys_ram_base[vga_bios_offset + 1] = 'D';
161 phys_ram_base[vga_bios_offset + 2] = 'R';
162 phys_ram_base[vga_bios_offset + 3] = 'V';
163 cpu_to_be32w((uint32_t *)(phys_ram_base + vga_bios_offset + 4),
169 kernel_base = KERNEL_LOAD_ADDR;
170 /* now we can load the kernel */
171 kernel_size = load_image(kernel_filename, phys_ram_base + kernel_base);
172 if (kernel_size < 0) {
173 cpu_abort(env, "qemu: could not load kernel '%s'\n",
178 if (initrd_filename) {
179 initrd_base = INITRD_LOAD_ADDR;
180 initrd_size = load_image(initrd_filename,
181 phys_ram_base + initrd_base);
182 if (initrd_size < 0) {
183 cpu_abort(env, "qemu: could not load initial ram disk '%s'\n",
191 ppc_boot_device = 'm';
197 ppc_boot_device = '\0';
198 /* We consider that NewWorld PowerMac never have any floppy drive
199 * For now, OHW cannot boot from the network.
201 for (i = 0; boot_device[i] != '\0'; i++) {
202 if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
203 ppc_boot_device = boot_device[i];
207 if (ppc_boot_device == '\0') {
208 fprintf(stderr, "No valid boot device for Mac99 machine\n");
213 isa_mem_base = 0x80000000;
215 /* Register 8 MB of ISA IO space */
216 isa_mmio_init(0xf2000000, 0x00800000);
219 unin_memory = cpu_register_io_memory(0, unin_read, unin_write, NULL);
220 cpu_register_physical_memory(0xf8000000, 0x00001000, unin_memory);
222 openpic_irqs = qemu_mallocz(smp_cpus * sizeof(qemu_irq *));
224 qemu_mallocz(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
225 for (i = 0; i < smp_cpus; i++) {
226 /* Mac99 IRQ connection between OpenPIC outputs pins
227 * and PowerPC input pins
229 switch (PPC_INPUT(env)) {
230 case PPC_FLAGS_INPUT_6xx:
231 openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
232 openpic_irqs[i][OPENPIC_OUTPUT_INT] =
233 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
234 openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
235 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
236 openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
237 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
238 /* Not connected ? */
239 openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
241 openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
242 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
244 #if defined(TARGET_PPC64)
245 case PPC_FLAGS_INPUT_970:
246 openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
247 openpic_irqs[i][OPENPIC_OUTPUT_INT] =
248 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
249 openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
250 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
251 openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
252 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
253 /* Not connected ? */
254 openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
256 openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
257 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
259 #endif /* defined(TARGET_PPC64) */
261 cpu_abort(env, "Bus model not supported on mac99 machine\n");
265 pic = openpic_init(NULL, &pic_mem_index, smp_cpus, openpic_irqs, NULL);
266 pci_bus = pci_pmac_init(pic);
267 /* init basic PC hardware */
268 pci_vga_init(pci_bus, phys_ram_base + vga_ram_offset,
269 vga_ram_offset, vga_ram_size,
270 vga_bios_offset, vga_bios_size);
272 /* XXX: suppress that */
273 dummy_irq = i8259_init(NULL);
275 escc_mem_index = escc_init(0x80013000, dummy_irq[4], dummy_irq[5],
276 serial_hds[0], serial_hds[1], ESCC_CLOCK, 4);
278 for(i = 0; i < nb_nics; i++)
279 pci_nic_init(pci_bus, &nd_table[i], -1, "ne2k_pci");
281 if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
282 fprintf(stderr, "qemu: too many IDE bus\n");
285 for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
286 index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
288 hd[i] = drives_table[index].bdrv;
292 dbdma = DBDMA_init(&dbdma_mem_index);
293 pci_cmd646_ide_init(pci_bus, hd, 0);
295 /* cuda also initialize ADB */
296 cuda_init(&cuda_mem_index, pic[0x19]);
298 adb_kbd_init(&adb_bus);
299 adb_mouse_init(&adb_bus);
302 macio_init(pci_bus, PCI_DEVICE_ID_APPLE_UNI_N_KEYL, 0, pic_mem_index,
303 dbdma_mem_index, cuda_mem_index, NULL, 0, NULL,
307 usb_ohci_init_pci(pci_bus, 3, -1);
310 if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
313 /* The NewWorld NVRAM is not located in the MacIO device */
314 nvr = macio_nvram_init(&nvram_mem_index, 0x2000, 1);
315 pmac_format_nvram_partition(nvr, 0x2000);
316 macio_nvram_map(nvr, 0xFFF04000);
317 /* No PCI init: the BIOS will do it */
319 fw_cfg = fw_cfg_init(0, 0, CFG_ADDR, CFG_ADDR + 2);
320 fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
321 fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
322 fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, ARCH_MAC99);
325 QEMUMachine core99_machine = {
327 .desc = "Mac99 based PowerMAC",
328 .init = ppc_core99_init,
329 .ram_require = BIOS_SIZE + VGA_BIOS_SIZE + VGA_RAM_SIZE,
330 .max_cpus = MAX_CPUS,