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
38 static void unin_writel (void *opaque
, target_phys_addr_t addr
, uint32_t value
)
42 static uint32_t unin_readl (void *opaque
, target_phys_addr_t addr
)
47 static CPUWriteMemoryFunc
*unin_write
[] = {
53 static CPUReadMemoryFunc
*unin_read
[] = {
59 /* PowerPC Mac99 hardware initialisation */
60 static void ppc_core99_init (ram_addr_t ram_size
, int vga_ram_size
,
61 const char *boot_device
, DisplayState
*ds
,
62 const char *kernel_filename
,
63 const char *kernel_cmdline
,
64 const char *initrd_filename
,
65 const char *cpu_model
)
67 CPUState
*env
= NULL
, *envs
[MAX_CPUS
];
69 qemu_irq
*pic
, **openpic_irqs
;
72 unsigned long bios_offset
, vga_bios_offset
;
73 uint32_t kernel_base
, kernel_size
, initrd_base
, initrd_size
;
81 int vga_bios_size
, bios_size
;
83 int pic_mem_index
, dbdma_mem_index
, cuda_mem_index
;
87 BlockDriverState
*hd
[MAX_IDE_BUS
* MAX_IDE_DEVS
];
89 linux_boot
= (kernel_filename
!= NULL
);
92 if (cpu_model
== NULL
)
93 cpu_model
= "default";
94 for (i
= 0; i
< smp_cpus
; i
++) {
95 env
= cpu_init(cpu_model
);
97 fprintf(stderr
, "Unable to find PowerPC CPU definition\n");
100 /* Set time-base frequency to 100 Mhz */
101 cpu_ppc_tb_init(env
, 100UL * 1000UL * 1000UL);
103 env
->osi_call
= vga_osi_call
;
105 qemu_register_reset(&cpu_ppc_reset
, env
);
106 register_savevm("cpu", 0, 3, cpu_save
, cpu_load
, env
);
109 if (env
->nip
< 0xFFF80000) {
110 /* Special test for PowerPC 601:
111 * the boot vector is at 0xFFF00100, then we need a 1MB BIOS.
112 * But the NVRAM is located at 0xFFF04000...
114 cpu_abort(env
, "Mac99 hardware can not handle 1 MB BIOS\n");
118 cpu_register_physical_memory(0, ram_size
, IO_MEM_RAM
);
120 /* allocate and load BIOS */
121 bios_offset
= ram_size
+ vga_ram_size
;
122 if (bios_name
== NULL
)
123 bios_name
= BIOS_FILENAME
;
124 snprintf(buf
, sizeof(buf
), "%s/%s", bios_dir
, bios_name
);
125 bios_size
= load_image(buf
, phys_ram_base
+ bios_offset
);
126 if (bios_size
< 0 || bios_size
> BIOS_SIZE
) {
127 cpu_abort(env
, "qemu: could not load PowerPC bios '%s'\n", buf
);
130 bios_size
= (bios_size
+ 0xfff) & ~0xfff;
131 if (bios_size
> 0x00080000) {
132 /* As the NVRAM is located at 0xFFF04000, we cannot use 1 MB BIOSes */
133 cpu_abort(env
, "Mac99 hardware can not handle 1 MB BIOS\n");
135 cpu_register_physical_memory((uint32_t)(-bios_size
),
136 bios_size
, bios_offset
| IO_MEM_ROM
);
138 /* allocate and load VGA BIOS */
139 vga_bios_offset
= bios_offset
+ bios_size
;
140 snprintf(buf
, sizeof(buf
), "%s/%s", bios_dir
, VGABIOS_FILENAME
);
141 vga_bios_size
= load_image(buf
, phys_ram_base
+ vga_bios_offset
+ 8);
142 if (vga_bios_size
< 0) {
143 /* if no bios is present, we can still work */
144 fprintf(stderr
, "qemu: warning: could not load VGA bios '%s'\n", buf
);
147 /* set a specific header (XXX: find real Apple format for NDRV
149 phys_ram_base
[vga_bios_offset
] = 'N';
150 phys_ram_base
[vga_bios_offset
+ 1] = 'D';
151 phys_ram_base
[vga_bios_offset
+ 2] = 'R';
152 phys_ram_base
[vga_bios_offset
+ 3] = 'V';
153 cpu_to_be32w((uint32_t *)(phys_ram_base
+ vga_bios_offset
+ 4),
157 vga_bios_size
= (vga_bios_size
+ 0xfff) & ~0xfff;
160 kernel_base
= KERNEL_LOAD_ADDR
;
161 /* now we can load the kernel */
162 kernel_size
= load_image(kernel_filename
, phys_ram_base
+ kernel_base
);
163 if (kernel_size
< 0) {
164 cpu_abort(env
, "qemu: could not load kernel '%s'\n",
169 if (initrd_filename
) {
170 initrd_base
= INITRD_LOAD_ADDR
;
171 initrd_size
= load_image(initrd_filename
,
172 phys_ram_base
+ initrd_base
);
173 if (initrd_size
< 0) {
174 cpu_abort(env
, "qemu: could not load initial ram disk '%s'\n",
182 ppc_boot_device
= 'm';
188 ppc_boot_device
= '\0';
189 /* We consider that NewWorld PowerMac never have any floppy drive
190 * For now, OHW cannot boot from the network.
192 for (i
= 0; boot_device
[i
] != '\0'; i
++) {
193 if (boot_device
[i
] >= 'c' && boot_device
[i
] <= 'f') {
194 ppc_boot_device
= boot_device
[i
];
198 if (ppc_boot_device
== '\0') {
199 fprintf(stderr
, "No valid boot device for Mac99 machine\n");
204 isa_mem_base
= 0x80000000;
206 /* Register 8 MB of ISA IO space */
207 isa_mmio_init(0xf2000000, 0x00800000);
210 unin_memory
= cpu_register_io_memory(0, unin_read
, unin_write
, NULL
);
211 cpu_register_physical_memory(0xf8000000, 0x00001000, unin_memory
);
213 openpic_irqs
= qemu_mallocz(smp_cpus
* sizeof(qemu_irq
*));
215 qemu_mallocz(smp_cpus
* sizeof(qemu_irq
) * OPENPIC_OUTPUT_NB
);
216 for (i
= 0; i
< smp_cpus
; i
++) {
217 /* Mac99 IRQ connection between OpenPIC outputs pins
218 * and PowerPC input pins
220 switch (PPC_INPUT(env
)) {
221 case PPC_FLAGS_INPUT_6xx
:
222 openpic_irqs
[i
] = openpic_irqs
[0] + (i
* OPENPIC_OUTPUT_NB
);
223 openpic_irqs
[i
][OPENPIC_OUTPUT_INT
] =
224 ((qemu_irq
*)env
->irq_inputs
)[PPC6xx_INPUT_INT
];
225 openpic_irqs
[i
][OPENPIC_OUTPUT_CINT
] =
226 ((qemu_irq
*)env
->irq_inputs
)[PPC6xx_INPUT_INT
];
227 openpic_irqs
[i
][OPENPIC_OUTPUT_MCK
] =
228 ((qemu_irq
*)env
->irq_inputs
)[PPC6xx_INPUT_MCP
];
229 /* Not connected ? */
230 openpic_irqs
[i
][OPENPIC_OUTPUT_DEBUG
] = NULL
;
232 openpic_irqs
[i
][OPENPIC_OUTPUT_RESET
] =
233 ((qemu_irq
*)env
->irq_inputs
)[PPC6xx_INPUT_HRESET
];
235 #if defined(TARGET_PPC64)
236 case PPC_FLAGS_INPUT_970
:
237 openpic_irqs
[i
] = openpic_irqs
[0] + (i
* OPENPIC_OUTPUT_NB
);
238 openpic_irqs
[i
][OPENPIC_OUTPUT_INT
] =
239 ((qemu_irq
*)env
->irq_inputs
)[PPC970_INPUT_INT
];
240 openpic_irqs
[i
][OPENPIC_OUTPUT_CINT
] =
241 ((qemu_irq
*)env
->irq_inputs
)[PPC970_INPUT_INT
];
242 openpic_irqs
[i
][OPENPIC_OUTPUT_MCK
] =
243 ((qemu_irq
*)env
->irq_inputs
)[PPC970_INPUT_MCP
];
244 /* Not connected ? */
245 openpic_irqs
[i
][OPENPIC_OUTPUT_DEBUG
] = NULL
;
247 openpic_irqs
[i
][OPENPIC_OUTPUT_RESET
] =
248 ((qemu_irq
*)env
->irq_inputs
)[PPC970_INPUT_HRESET
];
250 #endif /* defined(TARGET_PPC64) */
252 cpu_abort(env
, "Bus model not supported on mac99 machine\n");
256 pic
= openpic_init(NULL
, &pic_mem_index
, smp_cpus
, openpic_irqs
, NULL
);
257 pci_bus
= pci_pmac_init(pic
);
258 /* init basic PC hardware */
259 pci_vga_init(pci_bus
, ds
, phys_ram_base
+ ram_size
,
260 ram_size
, vga_ram_size
,
261 vga_bios_offset
, vga_bios_size
);
263 /* XXX: suppress that */
264 dummy_irq
= i8259_init(NULL
);
266 /* XXX: use Mac Serial port */
267 serial_init(0x3f8, dummy_irq
[4], 115200, serial_hds
[0]);
268 for(i
= 0; i
< nb_nics
; i
++) {
269 if (!nd_table
[i
].model
)
270 nd_table
[i
].model
= "ne2k_pci";
271 if (!pci_nic_init(pci_bus
, &nd_table
[i
], -1))
274 if (drive_get_max_bus(IF_IDE
) >= MAX_IDE_BUS
) {
275 fprintf(stderr
, "qemu: too many IDE bus\n");
278 for(i
= 0; i
< MAX_IDE_BUS
* MAX_IDE_DEVS
; i
++) {
279 index
= drive_get_index(IF_IDE
, i
/ MAX_IDE_DEVS
, i
% MAX_IDE_DEVS
);
281 hd
[i
] = drives_table
[index
].bdrv
;
286 ide_mem_index
[0] = pmac_ide_init(&hd
[0], pic
[0x13]);
287 ide_mem_index
[1] = pmac_ide_init(&hd
[2], pic
[0x14]);
289 pci_cmd646_ide_init(pci_bus
, &hd
[0], 0);
291 /* cuda also initialize ADB */
292 cuda_init(&cuda_mem_index
, pic
[0x19]);
294 adb_kbd_init(&adb_bus
);
295 adb_mouse_init(&adb_bus
);
297 dbdma_init(&dbdma_mem_index
);
299 macio_init(pci_bus
, 0x0022, 0, pic_mem_index
, dbdma_mem_index
,
300 cuda_mem_index
, NULL
, 2, ide_mem_index
);
303 usb_ohci_init_pci(pci_bus
, 3, -1);
306 if (graphic_depth
!= 15 && graphic_depth
!= 32 && graphic_depth
!= 8)
308 #if 0 /* XXX: this is ugly but needed for now, or OHW won't boot */
309 /* The NewWorld NVRAM is not located in the MacIO device */
310 nvr
= macio_nvram_init(&nvram_mem_index
, 0x2000);
311 pmac_format_nvram_partition(nvr
, 0x2000);
312 macio_nvram_map(nvr
, 0xFFF04000);
314 nvram
.read_fn
= &macio_nvram_read
;
315 nvram
.write_fn
= &macio_nvram_write
;
317 m48t59
= m48t59_init(dummy_irq
[8], 0xFFF04000, 0x0074, NVRAM_SIZE
, 59);
318 nvram
.opaque
= m48t59
;
319 nvram
.read_fn
= &m48t59_read
;
320 nvram
.write_fn
= &m48t59_write
;
322 PPC_NVRAM_set_params(&nvram
, NVRAM_SIZE
, "MAC99", ram_size
,
323 ppc_boot_device
, kernel_base
, kernel_size
,
325 initrd_base
, initrd_size
,
326 /* XXX: need an option to load a NVRAM image */
328 graphic_width
, graphic_height
, graphic_depth
);
329 /* No PCI init: the BIOS will do it */
331 /* Special port to get debug messages from Open-Firmware */
332 register_ioport_write(0x0F00, 4, 1, &PPC_debug_write
, NULL
);
335 QEMUMachine core99_machine
= {
337 "Mac99 based PowerMAC",
339 BIOS_SIZE
+ VGA_RAM_SIZE
,