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
29 static void unin_writel (void *opaque
, target_phys_addr_t addr
, uint32_t value
)
33 static uint32_t unin_readl (void *opaque
, target_phys_addr_t addr
)
38 static CPUWriteMemoryFunc
*unin_write
[] = {
44 static CPUReadMemoryFunc
*unin_read
[] = {
50 /* PowerPC Mac99 hardware initialisation */
51 static void ppc_core99_init (int ram_size
, int vga_ram_size
, int boot_device
,
52 DisplayState
*ds
, const char **fd_filename
,
54 const char *kernel_filename
,
55 const char *kernel_cmdline
,
56 const char *initrd_filename
,
57 const char *cpu_model
)
59 CPUState
*env
, *envs
[MAX_CPUS
];
61 qemu_irq
*pic
, **openpic_irqs
;
64 unsigned long bios_offset
, vga_bios_offset
;
65 uint32_t kernel_base
, kernel_size
, initrd_base
, initrd_size
;
74 int vga_bios_size
, bios_size
;
76 int pic_mem_index
, dbdma_mem_index
, cuda_mem_index
;
79 linux_boot
= (kernel_filename
!= NULL
);
83 if (cpu_model
== NULL
)
84 cpu_model
= "default";
85 ppc_find_by_name(cpu_model
, &def
);
87 cpu_abort(env
, "Unable to find PowerPC CPU definition\n");
89 for (i
= 0; i
< smp_cpus
; i
++) {
90 cpu_ppc_register(env
, def
);
92 /* Set time-base frequency to 100 Mhz */
93 cpu_ppc_tb_init(env
, 100UL * 1000UL * 1000UL);
95 env
->osi_call
= vga_osi_call
;
97 qemu_register_reset(&cpu_ppc_reset
, env
);
98 register_savevm("cpu", 0, 3, cpu_save
, cpu_load
, env
);
103 cpu_register_physical_memory(0, ram_size
, IO_MEM_RAM
);
105 /* allocate and load BIOS */
106 bios_offset
= ram_size
+ vga_ram_size
;
107 if (bios_name
== NULL
)
108 bios_name
= BIOS_FILENAME
;
109 snprintf(buf
, sizeof(buf
), "%s/%s", bios_dir
, bios_name
);
110 bios_size
= load_image(buf
, phys_ram_base
+ bios_offset
);
111 if (bios_size
< 0 || bios_size
> BIOS_SIZE
) {
112 cpu_abort(env
, "qemu: could not load PowerPC bios '%s'\n", buf
);
115 bios_size
= (bios_size
+ 0xfff) & ~0xfff;
116 cpu_register_physical_memory((uint32_t)(-bios_size
),
117 bios_size
, bios_offset
| IO_MEM_ROM
);
119 /* allocate and load VGA BIOS */
120 vga_bios_offset
= bios_offset
+ bios_size
;
121 snprintf(buf
, sizeof(buf
), "%s/%s", bios_dir
, VGABIOS_FILENAME
);
122 vga_bios_size
= load_image(buf
, phys_ram_base
+ vga_bios_offset
+ 8);
123 if (vga_bios_size
< 0) {
124 /* if no bios is present, we can still work */
125 fprintf(stderr
, "qemu: warning: could not load VGA bios '%s'\n", buf
);
128 /* set a specific header (XXX: find real Apple format for NDRV
130 phys_ram_base
[vga_bios_offset
] = 'N';
131 phys_ram_base
[vga_bios_offset
+ 1] = 'D';
132 phys_ram_base
[vga_bios_offset
+ 2] = 'R';
133 phys_ram_base
[vga_bios_offset
+ 3] = 'V';
134 cpu_to_be32w((uint32_t *)(phys_ram_base
+ vga_bios_offset
+ 4),
138 vga_bios_size
= (vga_bios_size
+ 0xfff) & ~0xfff;
141 kernel_base
= KERNEL_LOAD_ADDR
;
142 /* now we can load the kernel */
143 kernel_size
= load_image(kernel_filename
, phys_ram_base
+ kernel_base
);
144 if (kernel_size
< 0) {
145 cpu_abort(env
, "qemu: could not load kernel '%s'\n",
150 if (initrd_filename
) {
151 initrd_base
= INITRD_LOAD_ADDR
;
152 initrd_size
= load_image(initrd_filename
,
153 phys_ram_base
+ initrd_base
);
154 if (initrd_size
< 0) {
155 cpu_abort(env
, "qemu: could not load initial ram disk '%s'\n",
171 isa_mem_base
= 0x80000000;
173 /* Register 8 MB of ISA IO space */
174 isa_mmio_init(0xf2000000, 0x00800000);
177 unin_memory
= cpu_register_io_memory(0, unin_read
, unin_write
, NULL
);
178 cpu_register_physical_memory(0xf8000000, 0x00001000, unin_memory
);
180 openpic_irqs
= qemu_mallocz(smp_cpus
* sizeof(qemu_irq
*));
182 qemu_mallocz(smp_cpus
* sizeof(qemu_irq
) * OPENPIC_OUTPUT_NB
);
183 for (i
= 0; i
< smp_cpus
; i
++) {
184 /* Mac99 IRQ connection between OpenPIC outputs pins
185 * and PowerPC input pins
187 switch (PPC_INPUT(env
)) {
188 case PPC_FLAGS_INPUT_6xx
:
189 openpic_irqs
[i
] = openpic_irqs
[0] + (i
* OPENPIC_OUTPUT_NB
);
190 openpic_irqs
[i
][OPENPIC_OUTPUT_INT
] =
191 ((qemu_irq
*)env
->irq_inputs
)[PPC6xx_INPUT_INT
];
192 openpic_irqs
[i
][OPENPIC_OUTPUT_CINT
] =
193 ((qemu_irq
*)env
->irq_inputs
)[PPC6xx_INPUT_INT
];
194 openpic_irqs
[i
][OPENPIC_OUTPUT_MCK
] =
195 ((qemu_irq
*)env
->irq_inputs
)[PPC6xx_INPUT_MCP
];
196 /* Not connected ? */
197 openpic_irqs
[i
][OPENPIC_OUTPUT_DEBUG
] = NULL
;
199 openpic_irqs
[i
][OPENPIC_OUTPUT_RESET
] =
200 ((qemu_irq
*)env
->irq_inputs
)[PPC6xx_INPUT_HRESET
];
202 #if defined(TARGET_PPC64)
203 case PPC_FLAGS_INPUT_970
:
204 openpic_irqs
[i
] = openpic_irqs
[0] + (i
* OPENPIC_OUTPUT_NB
);
205 openpic_irqs
[i
][OPENPIC_OUTPUT_INT
] =
206 ((qemu_irq
*)env
->irq_inputs
)[PPC970_INPUT_INT
];
207 openpic_irqs
[i
][OPENPIC_OUTPUT_CINT
] =
208 ((qemu_irq
*)env
->irq_inputs
)[PPC970_INPUT_INT
];
209 openpic_irqs
[i
][OPENPIC_OUTPUT_MCK
] =
210 ((qemu_irq
*)env
->irq_inputs
)[PPC970_INPUT_MCP
];
211 /* Not connected ? */
212 openpic_irqs
[i
][OPENPIC_OUTPUT_DEBUG
] = NULL
;
214 openpic_irqs
[i
][OPENPIC_OUTPUT_RESET
] =
215 ((qemu_irq
*)env
->irq_inputs
)[PPC970_INPUT_HRESET
];
217 #endif /* defined(TARGET_PPC64) */
219 cpu_abort(env
, "Bus model not supported on mac99 machine\n");
223 pic
= openpic_init(NULL
, &pic_mem_index
, smp_cpus
, openpic_irqs
, NULL
);
224 pci_bus
= pci_pmac_init(pic
);
225 /* init basic PC hardware */
226 pci_vga_init(pci_bus
, ds
, phys_ram_base
+ ram_size
,
227 ram_size
, vga_ram_size
,
228 vga_bios_offset
, vga_bios_size
);
230 /* XXX: suppress that */
231 dummy_irq
= i8259_init(NULL
);
233 /* XXX: use Mac Serial port */
234 serial_init(0x3f8, dummy_irq
[4], serial_hds
[0]);
235 for(i
= 0; i
< nb_nics
; i
++) {
236 if (!nd_table
[i
].model
)
237 nd_table
[i
].model
= "ne2k_pci";
238 pci_nic_init(pci_bus
, &nd_table
[i
], -1);
241 ide_mem_index
[0] = pmac_ide_init(&bs_table
[0], pic
[0x13]);
242 ide_mem_index
[1] = pmac_ide_init(&bs_table
[2], pic
[0x14]);
244 pci_cmd646_ide_init(pci_bus
, &bs_table
[0], 0);
246 /* cuda also initialize ADB */
247 cuda_init(&cuda_mem_index
, pic
[0x19]);
249 adb_kbd_init(&adb_bus
);
250 adb_mouse_init(&adb_bus
);
252 dbdma_init(&dbdma_mem_index
);
254 macio_init(pci_bus
, 0x0022, 0, pic_mem_index
, dbdma_mem_index
,
255 cuda_mem_index
, -1, 2, ide_mem_index
);
258 usb_ohci_init_pci(pci_bus
, 3, -1);
261 if (graphic_depth
!= 15 && graphic_depth
!= 32 && graphic_depth
!= 8)
263 #if 0 /* XXX: this is ugly but needed for now, or OHW won't boot */
264 /* The NewWorld NVRAM is not located in the MacIO device */
265 nvr
= macio_nvram_init(&nvram_mem_index
);
266 pmac_format_nvram_partition(nvr
, 0x2000);
267 cpu_register_physical_memory(0xFFF04000, 0x20000, nvram_mem_index
);
269 nvram
.read_fn
= &macio_nvram_read
;
270 nvram
.write_fn
= &macio_nvram_write
;
272 m48t59
= m48t59_init(dummy_irq
[8], 0xFFF04000, 0x0074, NVRAM_SIZE
, 59);
273 nvram
.opaque
= m48t59
;
274 nvram
.read_fn
= &m48t59_read
;
275 nvram
.write_fn
= &m48t59_write
;
277 PPC_NVRAM_set_params(&nvram
, NVRAM_SIZE
, "MAC99", ram_size
, boot_device
,
278 kernel_base
, kernel_size
,
280 initrd_base
, initrd_size
,
281 /* XXX: need an option to load a NVRAM image */
283 graphic_width
, graphic_height
, graphic_depth
);
284 /* No PCI init: the BIOS will do it */
286 /* Special port to get debug messages from Open-Firmware */
287 register_ioport_write(0x0F00, 4, 1, &PPC_debug_write
, NULL
);
290 QEMUMachine core99_machine
= {
292 "Mac99 based PowerMAC",