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"
40 #define VGA_BIOS_SIZE 65536
41 #define CFG_ADDR 0xf0000510
47 #define UNIN_DPRINTF(fmt, args...) \
48 do { printf("UNIN: " fmt , ##args); } while (0)
50 #define UNIN_DPRINTF(fmt, args...)
54 static void unin_writel (void *opaque
, target_phys_addr_t addr
, uint32_t value
)
56 UNIN_DPRINTF("writel addr " TARGET_FMT_plx
" val %x\n", addr
, value
);
59 static uint32_t unin_readl (void *opaque
, target_phys_addr_t addr
)
64 UNIN_DPRINTF("readl addr " TARGET_FMT_plx
" val %x\n", addr
, value
);
69 static CPUWriteMemoryFunc
*unin_write
[] = {
75 static CPUReadMemoryFunc
*unin_read
[] = {
81 static int fw_cfg_boot_set(void *opaque
, const char *boot_device
)
83 fw_cfg_add_i16(opaque
, FW_CFG_BOOT_DEVICE
, boot_device
[0]);
87 /* PowerPC Mac99 hardware initialisation */
88 static void ppc_core99_init (ram_addr_t ram_size
, int vga_ram_size
,
89 const char *boot_device
,
90 const char *kernel_filename
,
91 const char *kernel_cmdline
,
92 const char *initrd_filename
,
93 const char *cpu_model
)
95 CPUState
*env
= NULL
, *envs
[MAX_CPUS
];
97 qemu_irq
*pic
, **openpic_irqs
;
100 ram_addr_t ram_offset
, vga_ram_offset
, bios_offset
, vga_bios_offset
;
101 uint32_t kernel_base
, kernel_size
, initrd_base
, initrd_size
;
103 MacIONVRAMState
*nvr
;
105 int vga_bios_size
, bios_size
;
107 int pic_mem_index
, dbdma_mem_index
, cuda_mem_index
, escc_mem_index
;
110 BlockDriverState
*hd
[MAX_IDE_BUS
* MAX_IDE_DEVS
];
113 uint8_t *vga_bios_ptr
;
115 linux_boot
= (kernel_filename
!= NULL
);
118 if (cpu_model
== NULL
)
120 for (i
= 0; i
< smp_cpus
; i
++) {
121 env
= cpu_init(cpu_model
);
123 fprintf(stderr
, "Unable to find PowerPC CPU definition\n");
126 /* Set time-base frequency to 100 Mhz */
127 cpu_ppc_tb_init(env
, 100UL * 1000UL * 1000UL);
129 env
->osi_call
= vga_osi_call
;
131 qemu_register_reset(&cpu_ppc_reset
, env
);
136 ram_offset
= qemu_ram_alloc(ram_size
);
137 cpu_register_physical_memory(0, ram_size
, ram_offset
);
139 /* allocate VGA RAM */
140 vga_ram_offset
= qemu_ram_alloc(vga_ram_size
);
142 /* allocate and load BIOS */
143 bios_offset
= qemu_ram_alloc(BIOS_SIZE
);
144 if (bios_name
== NULL
)
145 bios_name
= PROM_FILENAME
;
146 snprintf(buf
, sizeof(buf
), "%s/%s", bios_dir
, bios_name
);
147 cpu_register_physical_memory(PROM_ADDR
, BIOS_SIZE
, bios_offset
| IO_MEM_ROM
);
149 /* Load OpenBIOS (ELF) */
150 bios_size
= load_elf(buf
, 0, NULL
, NULL
, NULL
);
151 if (bios_size
< 0 || bios_size
> BIOS_SIZE
) {
152 cpu_abort(env
, "qemu: could not load PowerPC bios '%s'\n", buf
);
156 /* allocate and load VGA BIOS */
157 vga_bios_offset
= qemu_ram_alloc(VGA_BIOS_SIZE
);
158 vga_bios_ptr
= qemu_get_ram_ptr(vga_bios_offset
);
159 snprintf(buf
, sizeof(buf
), "%s/%s", bios_dir
, VGABIOS_FILENAME
);
160 vga_bios_size
= load_image(buf
, vga_bios_ptr
+ 8);
161 if (vga_bios_size
< 0) {
162 /* if no bios is present, we can still work */
163 fprintf(stderr
, "qemu: warning: could not load VGA bios '%s'\n", buf
);
166 /* set a specific header (XXX: find real Apple format for NDRV
168 vga_bios_ptr
[0] = 'N';
169 vga_bios_ptr
[1] = 'D';
170 vga_bios_ptr
[2] = 'R';
171 vga_bios_ptr
[3] = 'V';
172 cpu_to_be32w((uint32_t *)(vga_bios_ptr
+ 4), vga_bios_size
);
177 uint64_t lowaddr
= 0;
178 kernel_base
= KERNEL_LOAD_ADDR
;
180 /* Now we can load the kernel. The first step tries to load the kernel
181 supposing PhysAddr = 0x00000000. If that was wrong the kernel is
182 loaded again, the new PhysAddr being computed from lowaddr. */
183 kernel_size
= load_elf(kernel_filename
, kernel_base
, NULL
, &lowaddr
, NULL
);
184 if (kernel_size
> 0 && lowaddr
!= KERNEL_LOAD_ADDR
) {
185 kernel_size
= load_elf(kernel_filename
, (2 * kernel_base
) - lowaddr
,
189 kernel_size
= load_aout(kernel_filename
, kernel_base
,
190 ram_size
- kernel_base
);
192 kernel_size
= load_image_targphys(kernel_filename
,
194 ram_size
- kernel_base
);
195 if (kernel_size
< 0) {
196 cpu_abort(env
, "qemu: could not load kernel '%s'\n",
201 if (initrd_filename
) {
202 initrd_base
= INITRD_LOAD_ADDR
;
203 initrd_size
= load_image_targphys(initrd_filename
, initrd_base
,
204 ram_size
- initrd_base
);
205 if (initrd_size
< 0) {
206 cpu_abort(env
, "qemu: could not load initial ram disk '%s'\n",
214 ppc_boot_device
= 'm';
220 ppc_boot_device
= '\0';
221 /* We consider that NewWorld PowerMac never have any floppy drive
222 * For now, OHW cannot boot from the network.
224 for (i
= 0; boot_device
[i
] != '\0'; i
++) {
225 if (boot_device
[i
] >= 'c' && boot_device
[i
] <= 'f') {
226 ppc_boot_device
= boot_device
[i
];
230 if (ppc_boot_device
== '\0') {
231 fprintf(stderr
, "No valid boot device for Mac99 machine\n");
236 isa_mem_base
= 0x80000000;
238 /* Register 8 MB of ISA IO space */
239 isa_mmio_init(0xf2000000, 0x00800000);
242 unin_memory
= cpu_register_io_memory(0, unin_read
, unin_write
, NULL
);
243 cpu_register_physical_memory(0xf8000000, 0x00001000, unin_memory
);
245 openpic_irqs
= qemu_mallocz(smp_cpus
* sizeof(qemu_irq
*));
247 qemu_mallocz(smp_cpus
* sizeof(qemu_irq
) * OPENPIC_OUTPUT_NB
);
248 for (i
= 0; i
< smp_cpus
; i
++) {
249 /* Mac99 IRQ connection between OpenPIC outputs pins
250 * and PowerPC input pins
252 switch (PPC_INPUT(env
)) {
253 case PPC_FLAGS_INPUT_6xx
:
254 openpic_irqs
[i
] = openpic_irqs
[0] + (i
* OPENPIC_OUTPUT_NB
);
255 openpic_irqs
[i
][OPENPIC_OUTPUT_INT
] =
256 ((qemu_irq
*)env
->irq_inputs
)[PPC6xx_INPUT_INT
];
257 openpic_irqs
[i
][OPENPIC_OUTPUT_CINT
] =
258 ((qemu_irq
*)env
->irq_inputs
)[PPC6xx_INPUT_INT
];
259 openpic_irqs
[i
][OPENPIC_OUTPUT_MCK
] =
260 ((qemu_irq
*)env
->irq_inputs
)[PPC6xx_INPUT_MCP
];
261 /* Not connected ? */
262 openpic_irqs
[i
][OPENPIC_OUTPUT_DEBUG
] = NULL
;
264 openpic_irqs
[i
][OPENPIC_OUTPUT_RESET
] =
265 ((qemu_irq
*)env
->irq_inputs
)[PPC6xx_INPUT_HRESET
];
267 #if defined(TARGET_PPC64)
268 case PPC_FLAGS_INPUT_970
:
269 openpic_irqs
[i
] = openpic_irqs
[0] + (i
* OPENPIC_OUTPUT_NB
);
270 openpic_irqs
[i
][OPENPIC_OUTPUT_INT
] =
271 ((qemu_irq
*)env
->irq_inputs
)[PPC970_INPUT_INT
];
272 openpic_irqs
[i
][OPENPIC_OUTPUT_CINT
] =
273 ((qemu_irq
*)env
->irq_inputs
)[PPC970_INPUT_INT
];
274 openpic_irqs
[i
][OPENPIC_OUTPUT_MCK
] =
275 ((qemu_irq
*)env
->irq_inputs
)[PPC970_INPUT_MCP
];
276 /* Not connected ? */
277 openpic_irqs
[i
][OPENPIC_OUTPUT_DEBUG
] = NULL
;
279 openpic_irqs
[i
][OPENPIC_OUTPUT_RESET
] =
280 ((qemu_irq
*)env
->irq_inputs
)[PPC970_INPUT_HRESET
];
282 #endif /* defined(TARGET_PPC64) */
284 cpu_abort(env
, "Bus model not supported on mac99 machine\n");
288 pic
= openpic_init(NULL
, &pic_mem_index
, smp_cpus
, openpic_irqs
, NULL
);
289 pci_bus
= pci_pmac_init(pic
);
290 /* init basic PC hardware */
291 pci_vga_init(pci_bus
, phys_ram_base
+ vga_ram_offset
,
292 vga_ram_offset
, vga_ram_size
,
293 vga_bios_offset
, vga_bios_size
);
295 /* XXX: suppress that */
296 dummy_irq
= i8259_init(NULL
);
298 escc_mem_index
= escc_init(0x80013000, dummy_irq
[4], dummy_irq
[5],
299 serial_hds
[0], serial_hds
[1], ESCC_CLOCK
, 4);
301 for(i
= 0; i
< nb_nics
; i
++)
302 pci_nic_init(pci_bus
, &nd_table
[i
], -1, "ne2k_pci");
304 if (drive_get_max_bus(IF_IDE
) >= MAX_IDE_BUS
) {
305 fprintf(stderr
, "qemu: too many IDE bus\n");
308 for(i
= 0; i
< MAX_IDE_BUS
* MAX_IDE_DEVS
; i
++) {
309 index
= drive_get_index(IF_IDE
, i
/ MAX_IDE_DEVS
, i
% MAX_IDE_DEVS
);
311 hd
[i
] = drives_table
[index
].bdrv
;
315 dbdma
= DBDMA_init(&dbdma_mem_index
);
316 pci_cmd646_ide_init(pci_bus
, hd
, 0);
318 /* cuda also initialize ADB */
319 cuda_init(&cuda_mem_index
, pic
[0x19]);
321 adb_kbd_init(&adb_bus
);
322 adb_mouse_init(&adb_bus
);
325 macio_init(pci_bus
, PCI_DEVICE_ID_APPLE_UNI_N_KEYL
, 0, pic_mem_index
,
326 dbdma_mem_index
, cuda_mem_index
, NULL
, 0, NULL
,
330 usb_ohci_init_pci(pci_bus
, 3, -1);
333 if (graphic_depth
!= 15 && graphic_depth
!= 32 && graphic_depth
!= 8)
336 /* The NewWorld NVRAM is not located in the MacIO device */
337 nvr
= macio_nvram_init(&nvram_mem_index
, 0x2000, 1);
338 pmac_format_nvram_partition(nvr
, 0x2000);
339 macio_nvram_map(nvr
, 0xFFF04000);
340 /* No PCI init: the BIOS will do it */
342 fw_cfg
= fw_cfg_init(0, 0, CFG_ADDR
, CFG_ADDR
+ 2);
343 fw_cfg_add_i32(fw_cfg
, FW_CFG_ID
, 1);
344 fw_cfg_add_i64(fw_cfg
, FW_CFG_RAM_SIZE
, (uint64_t)ram_size
);
345 fw_cfg_add_i16(fw_cfg
, FW_CFG_MACHINE_ID
, ARCH_MAC99
);
346 fw_cfg_add_i32(fw_cfg
, FW_CFG_KERNEL_ADDR
, kernel_base
);
347 fw_cfg_add_i32(fw_cfg
, FW_CFG_KERNEL_SIZE
, kernel_size
);
348 if (kernel_cmdline
) {
349 fw_cfg_add_i32(fw_cfg
, FW_CFG_KERNEL_CMDLINE
, CMDLINE_ADDR
);
350 pstrcpy_targphys(CMDLINE_ADDR
, TARGET_PAGE_SIZE
, kernel_cmdline
);
352 fw_cfg_add_i32(fw_cfg
, FW_CFG_KERNEL_CMDLINE
, 0);
354 fw_cfg_add_i32(fw_cfg
, FW_CFG_INITRD_ADDR
, initrd_base
);
355 fw_cfg_add_i32(fw_cfg
, FW_CFG_INITRD_SIZE
, initrd_size
);
356 fw_cfg_add_i16(fw_cfg
, FW_CFG_BOOT_DEVICE
, ppc_boot_device
);
357 qemu_register_boot_set(fw_cfg_boot_set
, fw_cfg
);
360 QEMUMachine core99_machine
= {
362 .desc
= "Mac99 based PowerMAC",
363 .init
= ppc_core99_init
,
364 .ram_require
= BIOS_SIZE
+ VGA_BIOS_SIZE
+ VGA_RAM_SIZE
,
365 .max_cpus
= MAX_CPUS
,