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"
38 #define VGA_BIOS_SIZE 65536
41 static void unin_writel (void *opaque, target_phys_addr_t addr, uint32_t value)
45 static uint32_t unin_readl (void *opaque, target_phys_addr_t addr)
50 static CPUWriteMemoryFunc *unin_write[] = {
56 static CPUReadMemoryFunc *unin_read[] = {
62 /* PowerPC Mac99 hardware initialisation */
63 static void ppc_core99_init (ram_addr_t ram_size, int vga_ram_size,
64 const char *boot_device,
65 const char *kernel_filename,
66 const char *kernel_cmdline,
67 const char *initrd_filename,
68 const char *cpu_model)
70 CPUState *env = NULL, *envs[MAX_CPUS];
72 qemu_irq *pic, **openpic_irqs;
75 ram_addr_t ram_offset, vga_ram_offset, bios_offset, vga_bios_offset;
76 uint32_t kernel_base, kernel_size, initrd_base, initrd_size;
84 int vga_bios_size, bios_size;
86 int pic_mem_index, dbdma_mem_index, cuda_mem_index, escc_mem_index;
90 BlockDriverState *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
93 linux_boot = (kernel_filename != NULL);
96 if (cpu_model == NULL)
97 cpu_model = "default";
98 for (i = 0; i < smp_cpus; i++) {
99 env = cpu_init(cpu_model);
101 fprintf(stderr, "Unable to find PowerPC CPU definition\n");
104 /* Set time-base frequency to 100 Mhz */
105 cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
107 env->osi_call = vga_osi_call;
109 qemu_register_reset(&cpu_ppc_reset, env);
112 if (env->nip < 0xFFF80000) {
113 /* Special test for PowerPC 601:
114 * the boot vector is at 0xFFF00100, then we need a 1MB BIOS.
115 * But the NVRAM is located at 0xFFF04000...
117 cpu_abort(env, "Mac99 hardware can not handle 1 MB BIOS\n");
121 ram_offset = qemu_ram_alloc(ram_size);
122 cpu_register_physical_memory(0, ram_size, ram_offset);
124 /* allocate VGA RAM */
125 vga_ram_offset = qemu_ram_alloc(vga_ram_size);
127 /* allocate and load BIOS */
128 bios_offset = qemu_ram_alloc(BIOS_SIZE);
129 if (bios_name == NULL)
130 bios_name = BIOS_FILENAME;
131 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, bios_name);
132 bios_size = load_image(buf, phys_ram_base + bios_offset);
133 if (bios_size < 0 || bios_size > BIOS_SIZE) {
134 cpu_abort(env, "qemu: could not load PowerPC bios '%s'\n", buf);
137 bios_size = (bios_size + 0xfff) & ~0xfff;
138 if (bios_size > 0x00080000) {
139 /* As the NVRAM is located at 0xFFF04000, we cannot use 1 MB BIOSes */
140 cpu_abort(env, "Mac99 hardware can not handle 1 MB BIOS\n");
142 cpu_register_physical_memory((uint32_t)(-bios_size),
143 bios_size, bios_offset | IO_MEM_ROM);
145 /* allocate and load VGA BIOS */
146 vga_bios_offset = qemu_ram_alloc(VGA_BIOS_SIZE);
147 snprintf(buf, sizeof(buf), "%s/%s", bios_dir, VGABIOS_FILENAME);
148 vga_bios_size = load_image(buf, phys_ram_base + vga_bios_offset + 8);
149 if (vga_bios_size < 0) {
150 /* if no bios is present, we can still work */
151 fprintf(stderr, "qemu: warning: could not load VGA bios '%s'\n", buf);
154 /* set a specific header (XXX: find real Apple format for NDRV
156 phys_ram_base[vga_bios_offset] = 'N';
157 phys_ram_base[vga_bios_offset + 1] = 'D';
158 phys_ram_base[vga_bios_offset + 2] = 'R';
159 phys_ram_base[vga_bios_offset + 3] = 'V';
160 cpu_to_be32w((uint32_t *)(phys_ram_base + vga_bios_offset + 4),
166 kernel_base = KERNEL_LOAD_ADDR;
167 /* now we can load the kernel */
168 kernel_size = load_image(kernel_filename, phys_ram_base + kernel_base);
169 if (kernel_size < 0) {
170 cpu_abort(env, "qemu: could not load kernel '%s'\n",
175 if (initrd_filename) {
176 initrd_base = INITRD_LOAD_ADDR;
177 initrd_size = load_image(initrd_filename,
178 phys_ram_base + initrd_base);
179 if (initrd_size < 0) {
180 cpu_abort(env, "qemu: could not load initial ram disk '%s'\n",
188 ppc_boot_device = 'm';
194 ppc_boot_device = '\0';
195 /* We consider that NewWorld PowerMac never have any floppy drive
196 * For now, OHW cannot boot from the network.
198 for (i = 0; boot_device[i] != '\0'; i++) {
199 if (boot_device[i] >= 'c' && boot_device[i] <= 'f') {
200 ppc_boot_device = boot_device[i];
204 if (ppc_boot_device == '\0') {
205 fprintf(stderr, "No valid boot device for Mac99 machine\n");
210 isa_mem_base = 0x80000000;
212 /* Register 8 MB of ISA IO space */
213 isa_mmio_init(0xf2000000, 0x00800000);
216 unin_memory = cpu_register_io_memory(0, unin_read, unin_write, NULL);
217 cpu_register_physical_memory(0xf8000000, 0x00001000, unin_memory);
219 openpic_irqs = qemu_mallocz(smp_cpus * sizeof(qemu_irq *));
221 qemu_mallocz(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
222 for (i = 0; i < smp_cpus; i++) {
223 /* Mac99 IRQ connection between OpenPIC outputs pins
224 * and PowerPC input pins
226 switch (PPC_INPUT(env)) {
227 case PPC_FLAGS_INPUT_6xx:
228 openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
229 openpic_irqs[i][OPENPIC_OUTPUT_INT] =
230 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
231 openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
232 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_INT];
233 openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
234 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_MCP];
235 /* Not connected ? */
236 openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
238 openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
239 ((qemu_irq *)env->irq_inputs)[PPC6xx_INPUT_HRESET];
241 #if defined(TARGET_PPC64)
242 case PPC_FLAGS_INPUT_970:
243 openpic_irqs[i] = openpic_irqs[0] + (i * OPENPIC_OUTPUT_NB);
244 openpic_irqs[i][OPENPIC_OUTPUT_INT] =
245 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
246 openpic_irqs[i][OPENPIC_OUTPUT_CINT] =
247 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_INT];
248 openpic_irqs[i][OPENPIC_OUTPUT_MCK] =
249 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_MCP];
250 /* Not connected ? */
251 openpic_irqs[i][OPENPIC_OUTPUT_DEBUG] = NULL;
253 openpic_irqs[i][OPENPIC_OUTPUT_RESET] =
254 ((qemu_irq *)env->irq_inputs)[PPC970_INPUT_HRESET];
256 #endif /* defined(TARGET_PPC64) */
258 cpu_abort(env, "Bus model not supported on mac99 machine\n");
262 pic = openpic_init(NULL, &pic_mem_index, smp_cpus, openpic_irqs, NULL);
263 pci_bus = pci_pmac_init(pic);
264 /* init basic PC hardware */
265 pci_vga_init(pci_bus, phys_ram_base + ram_size,
266 ram_size, vga_ram_size,
267 vga_bios_offset, vga_bios_size);
269 /* XXX: suppress that */
270 dummy_irq = i8259_init(NULL);
272 escc_mem_index = escc_init(0x80013000, dummy_irq[4], dummy_irq[5],
273 serial_hds[0], serial_hds[1], ESCC_CLOCK, 4);
275 for(i = 0; i < nb_nics; i++)
276 pci_nic_init(pci_bus, &nd_table[i], -1, "ne2k_pci");
278 if (drive_get_max_bus(IF_IDE) >= MAX_IDE_BUS) {
279 fprintf(stderr, "qemu: too many IDE bus\n");
282 for(i = 0; i < MAX_IDE_BUS * MAX_IDE_DEVS; i++) {
283 index = drive_get_index(IF_IDE, i / MAX_IDE_DEVS, i % MAX_IDE_DEVS);
285 hd[i] = drives_table[index].bdrv;
289 dbdma = DBDMA_init(&dbdma_mem_index);
291 ide_mem_index[0] = pmac_ide_init(&hd[0], pic[0x13], dbdma, 0x14, pic[0x01]);
292 ide_mem_index[1] = pmac_ide_init(&hd[2], pic[0x14], dbdma, 0x16, pic[0x02]);
294 pci_cmd646_ide_init(pci_bus, &hd[0], 0);
296 /* cuda also initialize ADB */
297 cuda_init(&cuda_mem_index, pic[0x19]);
299 adb_kbd_init(&adb_bus);
300 adb_mouse_init(&adb_bus);
303 macio_init(pci_bus, PCI_DEVICE_ID_APPLE_UNI_N_KEYL, 0, pic_mem_index,
304 dbdma_mem_index, cuda_mem_index, NULL, 2, ide_mem_index,
308 usb_ohci_init_pci(pci_bus, 3, -1);
311 if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
313 #if 0 /* XXX: this is ugly but needed for now, or OHW won't boot */
314 /* The NewWorld NVRAM is not located in the MacIO device */
315 nvr = macio_nvram_init(&nvram_mem_index, 0x2000);
316 pmac_format_nvram_partition(nvr, 0x2000);
317 macio_nvram_map(nvr, 0xFFF04000);
319 nvram.read_fn = &macio_nvram_read;
320 nvram.write_fn = &macio_nvram_write;
322 m48t59 = m48t59_init(dummy_irq[8], 0xFFF04000, 0x0074, NVRAM_SIZE, 59);
323 nvram.opaque = m48t59;
324 nvram.read_fn = &m48t59_read;
325 nvram.write_fn = &m48t59_write;
327 PPC_NVRAM_set_params(&nvram, NVRAM_SIZE, "MAC99", ram_size,
328 ppc_boot_device, kernel_base, kernel_size,
330 initrd_base, initrd_size,
331 /* XXX: need an option to load a NVRAM image */
333 graphic_width, graphic_height, graphic_depth);
334 /* No PCI init: the BIOS will do it */
336 /* Special port to get debug messages from Open-Firmware */
337 register_ioport_write(0x0F00, 4, 1, &PPC_debug_write, NULL);
340 QEMUMachine core99_machine = {
342 .desc = "Mac99 based PowerMAC",
343 .init = ppc_core99_init,
344 .ram_require = BIOS_SIZE + VGA_BIOS_SIZE + VGA_RAM_SIZE,
345 .max_cpus = MAX_CPUS,