2 * QEMU PowerPC e500-based platforms
4 * Copyright (C) 2009 Freescale Semiconductor, Inc. All rights reserved.
6 * Author: Yu Liu, <yu.liu@freescale.com>
8 * This file is derived from hw/ppc440_bamboo.c,
9 * the copyright for that material belongs to the original owners.
11 * This is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
18 #include "qemu-common.h"
20 #include "e500-ccsr.h"
22 #include "qemu/config-file.h"
24 #include "hw/serial.h"
25 #include "hw/pci/pci.h"
26 #include "hw/boards.h"
27 #include "sysemu/sysemu.h"
28 #include "sysemu/kvm.h"
30 #include "sysemu/device_tree.h"
31 #include "hw/openpic.h"
33 #include "hw/loader.h"
35 #include "hw/sysbus.h"
36 #include "exec/address-spaces.h"
37 #include "qemu/host-utils.h"
38 #include "hw/ppce500_pci.h"
40 #define BINARY_DEVICE_TREE_FILE "mpc8544ds.dtb"
41 #define UIMAGE_LOAD_BASE 0
42 #define DTC_LOAD_PAD 0x1800000
43 #define DTC_PAD_MASK 0xFFFFF
44 #define DTB_MAX_SIZE (8 * 1024 * 1024)
45 #define INITRD_LOAD_PAD 0x2000000
46 #define INITRD_PAD_MASK 0xFFFFFF
48 #define RAM_SIZES_ALIGN (64UL << 20)
50 /* TODO: parameterize */
51 #define MPC8544_CCSRBAR_BASE 0xE0000000ULL
52 #define MPC8544_CCSRBAR_SIZE 0x00100000ULL
53 #define MPC8544_MPIC_REGS_OFFSET 0x40000ULL
54 #define MPC8544_MSI_REGS_OFFSET 0x41600ULL
55 #define MPC8544_SERIAL0_REGS_OFFSET 0x4500ULL
56 #define MPC8544_SERIAL1_REGS_OFFSET 0x4600ULL
57 #define MPC8544_PCI_REGS_OFFSET 0x8000ULL
58 #define MPC8544_PCI_REGS_BASE (MPC8544_CCSRBAR_BASE + \
59 MPC8544_PCI_REGS_OFFSET)
60 #define MPC8544_PCI_REGS_SIZE 0x1000ULL
61 #define MPC8544_PCI_IO 0xE1000000ULL
62 #define MPC8544_UTIL_OFFSET 0xe0000ULL
63 #define MPC8544_SPIN_BASE 0xEF000000ULL
72 static uint32_t *pci_map_create(void *fdt
, uint32_t mpic
, int first_slot
,
73 int nr_slots
, int *len
)
79 int last_slot
= first_slot
+ nr_slots
;
82 *len
= nr_slots
* 4 * 7 * sizeof(uint32_t);
83 pci_map
= g_malloc(*len
);
85 for (slot
= first_slot
; slot
< last_slot
; slot
++) {
86 for (pci_irq
= 0; pci_irq
< 4; pci_irq
++) {
87 pci_map
[i
++] = cpu_to_be32(slot
<< 11);
88 pci_map
[i
++] = cpu_to_be32(0x0);
89 pci_map
[i
++] = cpu_to_be32(0x0);
90 pci_map
[i
++] = cpu_to_be32(pci_irq
+ 1);
91 pci_map
[i
++] = cpu_to_be32(mpic
);
92 host_irq
= ppce500_pci_map_irq_slot(slot
, pci_irq
);
93 pci_map
[i
++] = cpu_to_be32(host_irq
+ 1);
94 pci_map
[i
++] = cpu_to_be32(0x1);
98 assert((i
* sizeof(uint32_t)) == *len
);
103 static void dt_serial_create(void *fdt
, unsigned long long offset
,
104 const char *soc
, const char *mpic
,
105 const char *alias
, int idx
, bool defcon
)
109 snprintf(ser
, sizeof(ser
), "%s/serial@%llx", soc
, offset
);
110 qemu_devtree_add_subnode(fdt
, ser
);
111 qemu_devtree_setprop_string(fdt
, ser
, "device_type", "serial");
112 qemu_devtree_setprop_string(fdt
, ser
, "compatible", "ns16550");
113 qemu_devtree_setprop_cells(fdt
, ser
, "reg", offset
, 0x100);
114 qemu_devtree_setprop_cell(fdt
, ser
, "cell-index", idx
);
115 qemu_devtree_setprop_cell(fdt
, ser
, "clock-frequency", 0);
116 qemu_devtree_setprop_cells(fdt
, ser
, "interrupts", 42, 2);
117 qemu_devtree_setprop_phandle(fdt
, ser
, "interrupt-parent", mpic
);
118 qemu_devtree_setprop_string(fdt
, "/aliases", alias
, ser
);
121 qemu_devtree_setprop_string(fdt
, "/chosen", "linux,stdout-path", ser
);
125 static int ppce500_load_device_tree(CPUPPCState
*env
,
126 PPCE500Params
*params
,
132 uint64_t mem_reg_property
[] = { 0, cpu_to_be64(params
->ram_size
) };
135 uint8_t hypercall
[16];
136 uint32_t clock_freq
= 400000000;
137 uint32_t tb_freq
= 400000000;
139 const char *toplevel_compat
= NULL
; /* user override */
140 char compatible_sb
[] = "fsl,mpc8544-immr\0simple-bus";
148 uint32_t *pci_map
= NULL
;
150 uint32_t pci_ranges
[14] =
152 0x2000000, 0x0, 0xc0000000,
160 QemuOpts
*machine_opts
;
161 const char *dtb_file
= NULL
;
163 machine_opts
= qemu_opts_find(qemu_find_opts("machine"), 0);
165 dtb_file
= qemu_opt_get(machine_opts
, "dtb");
166 toplevel_compat
= qemu_opt_get(machine_opts
, "dt_compatible");
171 filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, dtb_file
);
176 fdt
= load_device_tree(filename
, &fdt_size
);
183 fdt
= create_device_tree(&fdt_size
);
188 /* Manipulate device tree in memory. */
189 qemu_devtree_setprop_cell(fdt
, "/", "#address-cells", 2);
190 qemu_devtree_setprop_cell(fdt
, "/", "#size-cells", 2);
192 qemu_devtree_add_subnode(fdt
, "/memory");
193 qemu_devtree_setprop_string(fdt
, "/memory", "device_type", "memory");
194 qemu_devtree_setprop(fdt
, "/memory", "reg", mem_reg_property
,
195 sizeof(mem_reg_property
));
197 qemu_devtree_add_subnode(fdt
, "/chosen");
199 ret
= qemu_devtree_setprop_cell(fdt
, "/chosen", "linux,initrd-start",
202 fprintf(stderr
, "couldn't set /chosen/linux,initrd-start\n");
205 ret
= qemu_devtree_setprop_cell(fdt
, "/chosen", "linux,initrd-end",
206 (initrd_base
+ initrd_size
));
208 fprintf(stderr
, "couldn't set /chosen/linux,initrd-end\n");
212 ret
= qemu_devtree_setprop_string(fdt
, "/chosen", "bootargs",
213 params
->kernel_cmdline
);
215 fprintf(stderr
, "couldn't set /chosen/bootargs\n");
218 /* Read out host's frequencies */
219 clock_freq
= kvmppc_get_clockfreq();
220 tb_freq
= kvmppc_get_tbfreq();
222 /* indicate KVM hypercall interface */
223 qemu_devtree_add_subnode(fdt
, "/hypervisor");
224 qemu_devtree_setprop_string(fdt
, "/hypervisor", "compatible",
226 kvmppc_get_hypercall(env
, hypercall
, sizeof(hypercall
));
227 qemu_devtree_setprop(fdt
, "/hypervisor", "hcall-instructions",
228 hypercall
, sizeof(hypercall
));
229 /* if KVM supports the idle hcall, set property indicating this */
230 if (kvmppc_get_hasidle(env
)) {
231 qemu_devtree_setprop(fdt
, "/hypervisor", "has-idle", NULL
, 0);
235 /* Create CPU nodes */
236 qemu_devtree_add_subnode(fdt
, "/cpus");
237 qemu_devtree_setprop_cell(fdt
, "/cpus", "#address-cells", 1);
238 qemu_devtree_setprop_cell(fdt
, "/cpus", "#size-cells", 0);
240 /* We need to generate the cpu nodes in reverse order, so Linux can pick
241 the first node as boot node and be happy */
242 for (i
= smp_cpus
- 1; i
>= 0; i
--) {
243 CPUState
*cpu
= NULL
;
245 uint64_t cpu_release_addr
= MPC8544_SPIN_BASE
+ (i
* 0x20);
247 for (env
= first_cpu
; env
!= NULL
; env
= env
->next_cpu
) {
248 cpu
= ENV_GET_CPU(env
);
249 if (cpu
->cpu_index
== i
) {
258 snprintf(cpu_name
, sizeof(cpu_name
), "/cpus/PowerPC,8544@%x",
260 qemu_devtree_add_subnode(fdt
, cpu_name
);
261 qemu_devtree_setprop_cell(fdt
, cpu_name
, "clock-frequency", clock_freq
);
262 qemu_devtree_setprop_cell(fdt
, cpu_name
, "timebase-frequency", tb_freq
);
263 qemu_devtree_setprop_string(fdt
, cpu_name
, "device_type", "cpu");
264 qemu_devtree_setprop_cell(fdt
, cpu_name
, "reg", cpu
->cpu_index
);
265 qemu_devtree_setprop_cell(fdt
, cpu_name
, "d-cache-line-size",
266 env
->dcache_line_size
);
267 qemu_devtree_setprop_cell(fdt
, cpu_name
, "i-cache-line-size",
268 env
->icache_line_size
);
269 qemu_devtree_setprop_cell(fdt
, cpu_name
, "d-cache-size", 0x8000);
270 qemu_devtree_setprop_cell(fdt
, cpu_name
, "i-cache-size", 0x8000);
271 qemu_devtree_setprop_cell(fdt
, cpu_name
, "bus-frequency", 0);
272 if (cpu
->cpu_index
) {
273 qemu_devtree_setprop_string(fdt
, cpu_name
, "status", "disabled");
274 qemu_devtree_setprop_string(fdt
, cpu_name
, "enable-method", "spin-table");
275 qemu_devtree_setprop_u64(fdt
, cpu_name
, "cpu-release-addr",
278 qemu_devtree_setprop_string(fdt
, cpu_name
, "status", "okay");
282 qemu_devtree_add_subnode(fdt
, "/aliases");
283 /* XXX These should go into their respective devices' code */
284 snprintf(soc
, sizeof(soc
), "/soc@%llx", MPC8544_CCSRBAR_BASE
);
285 qemu_devtree_add_subnode(fdt
, soc
);
286 qemu_devtree_setprop_string(fdt
, soc
, "device_type", "soc");
287 qemu_devtree_setprop(fdt
, soc
, "compatible", compatible_sb
,
288 sizeof(compatible_sb
));
289 qemu_devtree_setprop_cell(fdt
, soc
, "#address-cells", 1);
290 qemu_devtree_setprop_cell(fdt
, soc
, "#size-cells", 1);
291 qemu_devtree_setprop_cells(fdt
, soc
, "ranges", 0x0,
292 MPC8544_CCSRBAR_BASE
>> 32, MPC8544_CCSRBAR_BASE
,
293 MPC8544_CCSRBAR_SIZE
);
294 /* XXX should contain a reasonable value */
295 qemu_devtree_setprop_cell(fdt
, soc
, "bus-frequency", 0);
297 snprintf(mpic
, sizeof(mpic
), "%s/pic@%llx", soc
, MPC8544_MPIC_REGS_OFFSET
);
298 qemu_devtree_add_subnode(fdt
, mpic
);
299 qemu_devtree_setprop_string(fdt
, mpic
, "device_type", "open-pic");
300 qemu_devtree_setprop_string(fdt
, mpic
, "compatible", "chrp,open-pic");
301 qemu_devtree_setprop_cells(fdt
, mpic
, "reg", MPC8544_MPIC_REGS_OFFSET
,
303 qemu_devtree_setprop_cell(fdt
, mpic
, "#address-cells", 0);
304 qemu_devtree_setprop_cell(fdt
, mpic
, "#interrupt-cells", 2);
305 mpic_ph
= qemu_devtree_alloc_phandle(fdt
);
306 qemu_devtree_setprop_cell(fdt
, mpic
, "phandle", mpic_ph
);
307 qemu_devtree_setprop_cell(fdt
, mpic
, "linux,phandle", mpic_ph
);
308 qemu_devtree_setprop(fdt
, mpic
, "interrupt-controller", NULL
, 0);
311 * We have to generate ser1 first, because Linux takes the first
312 * device it finds in the dt as serial output device. And we generate
313 * devices in reverse order to the dt.
315 dt_serial_create(fdt
, MPC8544_SERIAL1_REGS_OFFSET
,
316 soc
, mpic
, "serial1", 1, false);
317 dt_serial_create(fdt
, MPC8544_SERIAL0_REGS_OFFSET
,
318 soc
, mpic
, "serial0", 0, true);
320 snprintf(gutil
, sizeof(gutil
), "%s/global-utilities@%llx", soc
,
321 MPC8544_UTIL_OFFSET
);
322 qemu_devtree_add_subnode(fdt
, gutil
);
323 qemu_devtree_setprop_string(fdt
, gutil
, "compatible", "fsl,mpc8544-guts");
324 qemu_devtree_setprop_cells(fdt
, gutil
, "reg", MPC8544_UTIL_OFFSET
, 0x1000);
325 qemu_devtree_setprop(fdt
, gutil
, "fsl,has-rstcr", NULL
, 0);
327 snprintf(msi
, sizeof(msi
), "/%s/msi@%llx", soc
, MPC8544_MSI_REGS_OFFSET
);
328 qemu_devtree_add_subnode(fdt
, msi
);
329 qemu_devtree_setprop_string(fdt
, msi
, "compatible", "fsl,mpic-msi");
330 qemu_devtree_setprop_cells(fdt
, msi
, "reg", MPC8544_MSI_REGS_OFFSET
, 0x200);
331 msi_ph
= qemu_devtree_alloc_phandle(fdt
);
332 qemu_devtree_setprop_cells(fdt
, msi
, "msi-available-ranges", 0x0, 0x100);
333 qemu_devtree_setprop_phandle(fdt
, msi
, "interrupt-parent", mpic
);
334 qemu_devtree_setprop_cells(fdt
, msi
, "interrupts",
343 qemu_devtree_setprop_cell(fdt
, msi
, "phandle", msi_ph
);
344 qemu_devtree_setprop_cell(fdt
, msi
, "linux,phandle", msi_ph
);
346 snprintf(pci
, sizeof(pci
), "/pci@%llx", MPC8544_PCI_REGS_BASE
);
347 qemu_devtree_add_subnode(fdt
, pci
);
348 qemu_devtree_setprop_cell(fdt
, pci
, "cell-index", 0);
349 qemu_devtree_setprop_string(fdt
, pci
, "compatible", "fsl,mpc8540-pci");
350 qemu_devtree_setprop_string(fdt
, pci
, "device_type", "pci");
351 qemu_devtree_setprop_cells(fdt
, pci
, "interrupt-map-mask", 0xf800, 0x0,
353 pci_map
= pci_map_create(fdt
, qemu_devtree_get_phandle(fdt
, mpic
),
354 params
->pci_first_slot
, params
->pci_nr_slots
,
356 qemu_devtree_setprop(fdt
, pci
, "interrupt-map", pci_map
, len
);
357 qemu_devtree_setprop_phandle(fdt
, pci
, "interrupt-parent", mpic
);
358 qemu_devtree_setprop_cells(fdt
, pci
, "interrupts", 24, 2);
359 qemu_devtree_setprop_cells(fdt
, pci
, "bus-range", 0, 255);
360 for (i
= 0; i
< 14; i
++) {
361 pci_ranges
[i
] = cpu_to_be32(pci_ranges
[i
]);
363 qemu_devtree_setprop_cell(fdt
, pci
, "fsl,msi", msi_ph
);
364 qemu_devtree_setprop(fdt
, pci
, "ranges", pci_ranges
, sizeof(pci_ranges
));
365 qemu_devtree_setprop_cells(fdt
, pci
, "reg", MPC8544_PCI_REGS_BASE
>> 32,
366 MPC8544_PCI_REGS_BASE
, 0, 0x1000);
367 qemu_devtree_setprop_cell(fdt
, pci
, "clock-frequency", 66666666);
368 qemu_devtree_setprop_cell(fdt
, pci
, "#interrupt-cells", 1);
369 qemu_devtree_setprop_cell(fdt
, pci
, "#size-cells", 2);
370 qemu_devtree_setprop_cell(fdt
, pci
, "#address-cells", 3);
371 qemu_devtree_setprop_string(fdt
, "/aliases", "pci0", pci
);
373 params
->fixup_devtree(params
, fdt
);
375 if (toplevel_compat
) {
376 qemu_devtree_setprop(fdt
, "/", "compatible", toplevel_compat
,
377 strlen(toplevel_compat
) + 1);
381 qemu_devtree_dumpdtb(fdt
, fdt_size
);
382 ret
= rom_add_blob_fixed(BINARY_DEVICE_TREE_FILE
, fdt
, fdt_size
, addr
);
395 /* Create -kernel TLB entries for BookE. */
396 static inline hwaddr
booke206_page_size_to_tlb(uint64_t size
)
398 return 63 - clz64(size
>> 10);
401 static void mmubooke_create_initial_mapping(CPUPPCState
*env
)
403 struct boot_info
*bi
= env
->load_info
;
404 ppcmas_tlb_t
*tlb
= booke206_get_tlbm(env
, 1, 0, 0);
408 /* Our initial TLB entry needs to cover everything from 0 to
409 the device tree top */
410 dt_end
= bi
->dt_base
+ bi
->dt_size
;
411 ps
= booke206_page_size_to_tlb(dt_end
) + 1;
413 /* e500v2 can only do even TLB size bits */
416 size
= (ps
<< MAS1_TSIZE_SHIFT
);
417 tlb
->mas1
= MAS1_VALID
| size
;
420 tlb
->mas7_3
|= MAS3_UR
| MAS3_UW
| MAS3_UX
| MAS3_SR
| MAS3_SW
| MAS3_SX
;
422 env
->tlb_dirty
= true;
425 static void ppce500_cpu_reset_sec(void *opaque
)
427 PowerPCCPU
*cpu
= opaque
;
428 CPUPPCState
*env
= &cpu
->env
;
432 /* Secondary CPU starts in halted state for now. Needs to change when
433 implementing non-kernel boot. */
435 env
->exception_index
= EXCP_HLT
;
438 static void ppce500_cpu_reset(void *opaque
)
440 PowerPCCPU
*cpu
= opaque
;
441 CPUPPCState
*env
= &cpu
->env
;
442 struct boot_info
*bi
= env
->load_info
;
446 /* Set initial guest state. */
448 env
->gpr
[1] = (16<<20) - 8;
449 env
->gpr
[3] = bi
->dt_base
;
450 env
->nip
= bi
->entry
;
451 mmubooke_create_initial_mapping(env
);
454 void ppce500_init(PPCE500Params
*params
)
456 MemoryRegion
*address_space_mem
= get_system_memory();
457 MemoryRegion
*ram
= g_new(MemoryRegion
, 1);
459 CPUPPCState
*env
= NULL
;
461 uint64_t elf_lowaddr
;
463 hwaddr loadaddr
=UIMAGE_LOAD_BASE
;
464 target_long kernel_size
=0;
465 target_ulong dt_base
= 0;
466 target_ulong initrd_base
= 0;
467 target_long initrd_size
= 0;
468 target_ulong cur_base
= 0;
470 unsigned int pci_irq_nrs
[4] = {1, 2, 3, 4};
471 qemu_irq
**irqs
, *mpic
;
473 CPUPPCState
*firstenv
= NULL
;
474 MemoryRegion
*ccsr_addr_space
;
476 PPCE500CCSRState
*ccsr
;
479 if (params
->cpu_model
== NULL
) {
480 params
->cpu_model
= "e500v2_v30";
483 irqs
= g_malloc0(smp_cpus
* sizeof(qemu_irq
*));
484 irqs
[0] = g_malloc0(smp_cpus
* sizeof(qemu_irq
) * OPENPIC_OUTPUT_NB
);
485 for (i
= 0; i
< smp_cpus
; i
++) {
490 cpu
= cpu_ppc_init(params
->cpu_model
);
492 fprintf(stderr
, "Unable to initialize CPU!\n");
502 irqs
[i
] = irqs
[0] + (i
* OPENPIC_OUTPUT_NB
);
503 input
= (qemu_irq
*)env
->irq_inputs
;
504 irqs
[i
][OPENPIC_OUTPUT_INT
] = input
[PPCE500_INPUT_INT
];
505 irqs
[i
][OPENPIC_OUTPUT_CINT
] = input
[PPCE500_INPUT_CINT
];
506 env
->spr
[SPR_BOOKE_PIR
] = cs
->cpu_index
= i
;
507 env
->mpic_iack
= MPC8544_CCSRBAR_BASE
+
508 MPC8544_MPIC_REGS_OFFSET
+ 0x200A0;
510 ppc_booke_timers_init(cpu
, 400000000, PPC_TIMER_E500
);
512 /* Register reset handler */
515 struct boot_info
*boot_info
;
516 boot_info
= g_malloc0(sizeof(struct boot_info
));
517 qemu_register_reset(ppce500_cpu_reset
, cpu
);
518 env
->load_info
= boot_info
;
521 qemu_register_reset(ppce500_cpu_reset_sec
, cpu
);
527 /* Fixup Memory size on a alignment boundary */
528 ram_size
&= ~(RAM_SIZES_ALIGN
- 1);
530 /* Register Memory */
531 memory_region_init_ram(ram
, "mpc8544ds.ram", ram_size
);
532 vmstate_register_ram_global(ram
);
533 memory_region_add_subregion(address_space_mem
, 0, ram
);
535 dev
= qdev_create(NULL
, "e500-ccsr");
536 object_property_add_child(qdev_get_machine(), "e500-ccsr",
538 qdev_init_nofail(dev
);
540 ccsr_addr_space
= &ccsr
->ccsr_space
;
541 memory_region_add_subregion(address_space_mem
, MPC8544_CCSRBAR_BASE
,
545 mpic
= g_new(qemu_irq
, 256);
546 dev
= qdev_create(NULL
, "openpic");
547 qdev_prop_set_uint32(dev
, "nb_cpus", smp_cpus
);
548 qdev_prop_set_uint32(dev
, "model", OPENPIC_MODEL_FSL_MPIC_20
);
549 qdev_init_nofail(dev
);
550 s
= SYS_BUS_DEVICE(dev
);
553 for (i
= 0; i
< smp_cpus
; i
++) {
554 for (j
= 0; j
< OPENPIC_OUTPUT_NB
; j
++) {
555 sysbus_connect_irq(s
, k
++, irqs
[i
][j
]);
559 for (i
= 0; i
< 256; i
++) {
560 mpic
[i
] = qdev_get_gpio_in(dev
, i
);
563 memory_region_add_subregion(ccsr_addr_space
, MPC8544_MPIC_REGS_OFFSET
,
568 serial_mm_init(ccsr_addr_space
, MPC8544_SERIAL0_REGS_OFFSET
,
570 serial_hds
[0], DEVICE_BIG_ENDIAN
);
574 serial_mm_init(ccsr_addr_space
, MPC8544_SERIAL1_REGS_OFFSET
,
576 serial_hds
[1], DEVICE_BIG_ENDIAN
);
579 /* General Utility device */
580 dev
= qdev_create(NULL
, "mpc8544-guts");
581 qdev_init_nofail(dev
);
582 s
= SYS_BUS_DEVICE(dev
);
583 memory_region_add_subregion(ccsr_addr_space
, MPC8544_UTIL_OFFSET
,
584 sysbus_mmio_get_region(s
, 0));
587 dev
= qdev_create(NULL
, "e500-pcihost");
588 qdev_prop_set_uint32(dev
, "first_slot", params
->pci_first_slot
);
589 qdev_init_nofail(dev
);
590 s
= SYS_BUS_DEVICE(dev
);
591 sysbus_connect_irq(s
, 0, mpic
[pci_irq_nrs
[0]]);
592 sysbus_connect_irq(s
, 1, mpic
[pci_irq_nrs
[1]]);
593 sysbus_connect_irq(s
, 2, mpic
[pci_irq_nrs
[2]]);
594 sysbus_connect_irq(s
, 3, mpic
[pci_irq_nrs
[3]]);
595 memory_region_add_subregion(ccsr_addr_space
, MPC8544_PCI_REGS_OFFSET
,
596 sysbus_mmio_get_region(s
, 0));
598 pci_bus
= (PCIBus
*)qdev_get_child_bus(dev
, "pci.0");
600 printf("couldn't create PCI controller!\n");
602 sysbus_mmio_map(SYS_BUS_DEVICE(dev
), 1, MPC8544_PCI_IO
);
605 /* Register network interfaces. */
606 for (i
= 0; i
< nb_nics
; i
++) {
607 pci_nic_init_nofail(&nd_table
[i
], "virtio", NULL
);
611 /* Register spinning region */
612 sysbus_create_simple("e500-spin", MPC8544_SPIN_BASE
, NULL
);
615 if (params
->kernel_filename
) {
616 kernel_size
= load_uimage(params
->kernel_filename
, &entry
,
618 if (kernel_size
< 0) {
619 kernel_size
= load_elf(params
->kernel_filename
, NULL
, NULL
,
620 &elf_entry
, &elf_lowaddr
, NULL
, 1,
623 loadaddr
= elf_lowaddr
;
625 /* XXX try again as binary */
626 if (kernel_size
< 0) {
627 fprintf(stderr
, "qemu: could not load kernel '%s'\n",
628 params
->kernel_filename
);
632 cur_base
= loadaddr
+ kernel_size
;
634 /* Reserve space for dtb */
635 dt_base
= (cur_base
+ DTC_LOAD_PAD
) & ~DTC_PAD_MASK
;
636 cur_base
+= DTB_MAX_SIZE
;
640 if (params
->initrd_filename
) {
641 initrd_base
= (cur_base
+ INITRD_LOAD_PAD
) & ~INITRD_PAD_MASK
;
642 initrd_size
= load_image_targphys(params
->initrd_filename
, initrd_base
,
643 ram_size
- initrd_base
);
645 if (initrd_size
< 0) {
646 fprintf(stderr
, "qemu: could not load initial ram disk '%s'\n",
647 params
->initrd_filename
);
651 cur_base
= initrd_base
+ initrd_size
;
654 /* If we're loading a kernel directly, we must load the device tree too. */
655 if (params
->kernel_filename
) {
656 struct boot_info
*boot_info
;
659 dt_size
= ppce500_load_device_tree(env
, params
, dt_base
, initrd_base
,
662 fprintf(stderr
, "couldn't load device tree\n");
665 assert(dt_size
< DTB_MAX_SIZE
);
667 boot_info
= env
->load_info
;
668 boot_info
->entry
= entry
;
669 boot_info
->dt_base
= dt_base
;
670 boot_info
->dt_size
= dt_size
;
678 static int e500_ccsr_initfn(SysBusDevice
*dev
)
680 PPCE500CCSRState
*ccsr
;
683 memory_region_init(&ccsr
->ccsr_space
, "e500-ccsr",
684 MPC8544_CCSRBAR_SIZE
);
688 static void e500_ccsr_class_init(ObjectClass
*klass
, void *data
)
690 SysBusDeviceClass
*k
= SYS_BUS_DEVICE_CLASS(klass
);
691 k
->init
= e500_ccsr_initfn
;
694 static const TypeInfo e500_ccsr_info
= {
696 .parent
= TYPE_SYS_BUS_DEVICE
,
697 .instance_size
= sizeof(PPCE500CCSRState
),
698 .class_init
= e500_ccsr_class_init
,
701 static void e500_register_types(void)
703 type_register_static(&e500_ccsr_info
);
706 type_init(e500_register_types
)