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[qemu.git] / hw / ppc / e500.c
1 /*
2 * QEMU PowerPC e500-based platforms
3 *
4 * Copyright (C) 2009 Freescale Semiconductor, Inc. All rights reserved.
5 *
6 * Author: Yu Liu, <yu.liu@freescale.com>
7 *
8 * This file is derived from hw/ppc440_bamboo.c,
9 * the copyright for that material belongs to the original owners.
10 *
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.
15 */
16
17 #include "config.h"
18 #include "qemu-common.h"
19 #include "e500.h"
20 #include "e500-ccsr.h"
21 #include "net/net.h"
22 #include "qemu/config-file.h"
23 #include "hw/hw.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"
29 #include "kvm_ppc.h"
30 #include "sysemu/device_tree.h"
31 #include "hw/openpic.h"
32 #include "hw/ppc.h"
33 #include "hw/loader.h"
34 #include "elf.h"
35 #include "hw/sysbus.h"
36 #include "exec/address-spaces.h"
37 #include "qemu/host-utils.h"
38 #include "hw/ppce500_pci.h"
39
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
47
48 #define RAM_SIZES_ALIGN (64UL << 20)
49
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
64
65 struct boot_info
66 {
67 uint32_t dt_base;
68 uint32_t dt_size;
69 uint32_t entry;
70 };
71
72 static uint32_t *pci_map_create(void *fdt, uint32_t mpic, int first_slot,
73 int nr_slots, int *len)
74 {
75 int i = 0;
76 int slot;
77 int pci_irq;
78 int host_irq;
79 int last_slot = first_slot + nr_slots;
80 uint32_t *pci_map;
81
82 *len = nr_slots * 4 * 7 * sizeof(uint32_t);
83 pci_map = g_malloc(*len);
84
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);
95 }
96 }
97
98 assert((i * sizeof(uint32_t)) == *len);
99
100 return pci_map;
101 }
102
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)
106 {
107 char ser[128];
108
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);
119
120 if (defcon) {
121 qemu_devtree_setprop_string(fdt, "/chosen", "linux,stdout-path", ser);
122 }
123 }
124
125 static int ppce500_load_device_tree(CPUPPCState *env,
126 PPCE500Params *params,
127 hwaddr addr,
128 hwaddr initrd_base,
129 hwaddr initrd_size)
130 {
131 int ret = -1;
132 uint64_t mem_reg_property[] = { 0, cpu_to_be64(params->ram_size) };
133 int fdt_size;
134 void *fdt;
135 uint8_t hypercall[16];
136 uint32_t clock_freq = 400000000;
137 uint32_t tb_freq = 400000000;
138 int i;
139 const char *toplevel_compat = NULL; /* user override */
140 char compatible_sb[] = "fsl,mpc8544-immr\0simple-bus";
141 char soc[128];
142 char mpic[128];
143 uint32_t mpic_ph;
144 uint32_t msi_ph;
145 char gutil[128];
146 char pci[128];
147 char msi[128];
148 uint32_t *pci_map = NULL;
149 int len;
150 uint32_t pci_ranges[14] =
151 {
152 0x2000000, 0x0, 0xc0000000,
153 0x0, 0xc0000000,
154 0x0, 0x20000000,
155
156 0x1000000, 0x0, 0x0,
157 0x0, 0xe1000000,
158 0x0, 0x10000,
159 };
160 QemuOpts *machine_opts;
161 const char *dtb_file = NULL;
162
163 machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
164 if (machine_opts) {
165 dtb_file = qemu_opt_get(machine_opts, "dtb");
166 toplevel_compat = qemu_opt_get(machine_opts, "dt_compatible");
167 }
168
169 if (dtb_file) {
170 char *filename;
171 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, dtb_file);
172 if (!filename) {
173 goto out;
174 }
175
176 fdt = load_device_tree(filename, &fdt_size);
177 if (!fdt) {
178 goto out;
179 }
180 goto done;
181 }
182
183 fdt = create_device_tree(&fdt_size);
184 if (fdt == NULL) {
185 goto out;
186 }
187
188 /* Manipulate device tree in memory. */
189 qemu_devtree_setprop_cell(fdt, "/", "#address-cells", 2);
190 qemu_devtree_setprop_cell(fdt, "/", "#size-cells", 2);
191
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));
196
197 qemu_devtree_add_subnode(fdt, "/chosen");
198 if (initrd_size) {
199 ret = qemu_devtree_setprop_cell(fdt, "/chosen", "linux,initrd-start",
200 initrd_base);
201 if (ret < 0) {
202 fprintf(stderr, "couldn't set /chosen/linux,initrd-start\n");
203 }
204
205 ret = qemu_devtree_setprop_cell(fdt, "/chosen", "linux,initrd-end",
206 (initrd_base + initrd_size));
207 if (ret < 0) {
208 fprintf(stderr, "couldn't set /chosen/linux,initrd-end\n");
209 }
210 }
211
212 ret = qemu_devtree_setprop_string(fdt, "/chosen", "bootargs",
213 params->kernel_cmdline);
214 if (ret < 0)
215 fprintf(stderr, "couldn't set /chosen/bootargs\n");
216
217 if (kvm_enabled()) {
218 /* Read out host's frequencies */
219 clock_freq = kvmppc_get_clockfreq();
220 tb_freq = kvmppc_get_tbfreq();
221
222 /* indicate KVM hypercall interface */
223 qemu_devtree_add_subnode(fdt, "/hypervisor");
224 qemu_devtree_setprop_string(fdt, "/hypervisor", "compatible",
225 "linux,kvm");
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);
232 }
233 }
234
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);
239
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;
244 char cpu_name[128];
245 uint64_t cpu_release_addr = MPC8544_SPIN_BASE + (i * 0x20);
246
247 for (env = first_cpu; env != NULL; env = env->next_cpu) {
248 cpu = ENV_GET_CPU(env);
249 if (cpu->cpu_index == i) {
250 break;
251 }
252 }
253
254 if (cpu == NULL) {
255 continue;
256 }
257
258 snprintf(cpu_name, sizeof(cpu_name), "/cpus/PowerPC,8544@%x",
259 cpu->cpu_index);
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",
276 cpu_release_addr);
277 } else {
278 qemu_devtree_setprop_string(fdt, cpu_name, "status", "okay");
279 }
280 }
281
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);
296
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", "fsl,mpic");
301 qemu_devtree_setprop_cells(fdt, mpic, "reg", MPC8544_MPIC_REGS_OFFSET,
302 0x40000);
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);
309
310 /*
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.
314 */
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);
319
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);
326
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",
335 0xe0, 0x0,
336 0xe1, 0x0,
337 0xe2, 0x0,
338 0xe3, 0x0,
339 0xe4, 0x0,
340 0xe5, 0x0,
341 0xe6, 0x0,
342 0xe7, 0x0);
343 qemu_devtree_setprop_cell(fdt, msi, "phandle", msi_ph);
344 qemu_devtree_setprop_cell(fdt, msi, "linux,phandle", msi_ph);
345
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,
352 0x0, 0x7);
353 pci_map = pci_map_create(fdt, qemu_devtree_get_phandle(fdt, mpic),
354 params->pci_first_slot, params->pci_nr_slots,
355 &len);
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]);
362 }
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);
372
373 params->fixup_devtree(params, fdt);
374
375 if (toplevel_compat) {
376 qemu_devtree_setprop(fdt, "/", "compatible", toplevel_compat,
377 strlen(toplevel_compat) + 1);
378 }
379
380 done:
381 qemu_devtree_dumpdtb(fdt, fdt_size);
382 ret = rom_add_blob_fixed(BINARY_DEVICE_TREE_FILE, fdt, fdt_size, addr);
383 if (ret < 0) {
384 goto out;
385 }
386 g_free(fdt);
387 ret = fdt_size;
388
389 out:
390 g_free(pci_map);
391
392 return ret;
393 }
394
395 /* Create -kernel TLB entries for BookE. */
396 static inline hwaddr booke206_page_size_to_tlb(uint64_t size)
397 {
398 return 63 - clz64(size >> 10);
399 }
400
401 static void mmubooke_create_initial_mapping(CPUPPCState *env)
402 {
403 struct boot_info *bi = env->load_info;
404 ppcmas_tlb_t *tlb = booke206_get_tlbm(env, 1, 0, 0);
405 hwaddr size, dt_end;
406 int ps;
407
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;
412 if (ps & 1) {
413 /* e500v2 can only do even TLB size bits */
414 ps++;
415 }
416 size = (ps << MAS1_TSIZE_SHIFT);
417 tlb->mas1 = MAS1_VALID | size;
418 tlb->mas2 = 0;
419 tlb->mas7_3 = 0;
420 tlb->mas7_3 |= MAS3_UR | MAS3_UW | MAS3_UX | MAS3_SR | MAS3_SW | MAS3_SX;
421
422 env->tlb_dirty = true;
423 }
424
425 static void ppce500_cpu_reset_sec(void *opaque)
426 {
427 PowerPCCPU *cpu = opaque;
428 CPUPPCState *env = &cpu->env;
429
430 cpu_reset(CPU(cpu));
431
432 /* Secondary CPU starts in halted state for now. Needs to change when
433 implementing non-kernel boot. */
434 env->halted = 1;
435 env->exception_index = EXCP_HLT;
436 }
437
438 static void ppce500_cpu_reset(void *opaque)
439 {
440 PowerPCCPU *cpu = opaque;
441 CPUPPCState *env = &cpu->env;
442 struct boot_info *bi = env->load_info;
443
444 cpu_reset(CPU(cpu));
445
446 /* Set initial guest state. */
447 env->halted = 0;
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);
452 }
453
454 void ppce500_init(PPCE500Params *params)
455 {
456 MemoryRegion *address_space_mem = get_system_memory();
457 MemoryRegion *ram = g_new(MemoryRegion, 1);
458 PCIBus *pci_bus;
459 CPUPPCState *env = NULL;
460 uint64_t elf_entry;
461 uint64_t elf_lowaddr;
462 hwaddr entry=0;
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;
469 int i = 0, j, k;
470 unsigned int pci_irq_nrs[4] = {1, 2, 3, 4};
471 qemu_irq **irqs, *mpic;
472 DeviceState *dev;
473 CPUPPCState *firstenv = NULL;
474 MemoryRegion *ccsr_addr_space;
475 SysBusDevice *s;
476 PPCE500CCSRState *ccsr;
477
478 /* Setup CPUs */
479 if (params->cpu_model == NULL) {
480 params->cpu_model = "e500v2_v30";
481 }
482
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++) {
486 PowerPCCPU *cpu;
487 CPUState *cs;
488 qemu_irq *input;
489
490 cpu = cpu_ppc_init(params->cpu_model);
491 if (cpu == NULL) {
492 fprintf(stderr, "Unable to initialize CPU!\n");
493 exit(1);
494 }
495 env = &cpu->env;
496 cs = CPU(cpu);
497
498 if (!firstenv) {
499 firstenv = env;
500 }
501
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 + 0xa0;
509
510 ppc_booke_timers_init(cpu, 400000000, PPC_TIMER_E500);
511
512 /* Register reset handler */
513 if (!i) {
514 /* Primary CPU */
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;
519 } else {
520 /* Secondary CPUs */
521 qemu_register_reset(ppce500_cpu_reset_sec, cpu);
522 }
523 }
524
525 env = firstenv;
526
527 /* Fixup Memory size on a alignment boundary */
528 ram_size &= ~(RAM_SIZES_ALIGN - 1);
529
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);
534
535 dev = qdev_create(NULL, "e500-ccsr");
536 object_property_add_child(qdev_get_machine(), "e500-ccsr",
537 OBJECT(dev), NULL);
538 qdev_init_nofail(dev);
539 ccsr = CCSR(dev);
540 ccsr_addr_space = &ccsr->ccsr_space;
541 memory_region_add_subregion(address_space_mem, MPC8544_CCSRBAR_BASE,
542 ccsr_addr_space);
543
544 /* MPIC */
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", params->mpic_version);
549 qdev_init_nofail(dev);
550 s = SYS_BUS_DEVICE(dev);
551
552 k = 0;
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]);
556 }
557 }
558
559 for (i = 0; i < 256; i++) {
560 mpic[i] = qdev_get_gpio_in(dev, i);
561 }
562
563 memory_region_add_subregion(ccsr_addr_space, MPC8544_MPIC_REGS_OFFSET,
564 s->mmio[0].memory);
565
566 /* Serial */
567 if (serial_hds[0]) {
568 serial_mm_init(ccsr_addr_space, MPC8544_SERIAL0_REGS_OFFSET,
569 0, mpic[42], 399193,
570 serial_hds[0], DEVICE_BIG_ENDIAN);
571 }
572
573 if (serial_hds[1]) {
574 serial_mm_init(ccsr_addr_space, MPC8544_SERIAL1_REGS_OFFSET,
575 0, mpic[42], 399193,
576 serial_hds[1], DEVICE_BIG_ENDIAN);
577 }
578
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));
585
586 /* PCI */
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));
597
598 pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci.0");
599 if (!pci_bus)
600 printf("couldn't create PCI controller!\n");
601
602 sysbus_mmio_map(SYS_BUS_DEVICE(dev), 1, MPC8544_PCI_IO);
603
604 if (pci_bus) {
605 /* Register network interfaces. */
606 for (i = 0; i < nb_nics; i++) {
607 pci_nic_init_nofail(&nd_table[i], "virtio", NULL);
608 }
609 }
610
611 /* Register spinning region */
612 sysbus_create_simple("e500-spin", MPC8544_SPIN_BASE, NULL);
613
614 /* Load kernel. */
615 if (params->kernel_filename) {
616 kernel_size = load_uimage(params->kernel_filename, &entry,
617 &loadaddr, NULL);
618 if (kernel_size < 0) {
619 kernel_size = load_elf(params->kernel_filename, NULL, NULL,
620 &elf_entry, &elf_lowaddr, NULL, 1,
621 ELF_MACHINE, 0);
622 entry = elf_entry;
623 loadaddr = elf_lowaddr;
624 }
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);
629 exit(1);
630 }
631
632 cur_base = loadaddr + kernel_size;
633
634 /* Reserve space for dtb */
635 dt_base = (cur_base + DTC_LOAD_PAD) & ~DTC_PAD_MASK;
636 cur_base += DTB_MAX_SIZE;
637 }
638
639 /* Load initrd. */
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);
644
645 if (initrd_size < 0) {
646 fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
647 params->initrd_filename);
648 exit(1);
649 }
650
651 cur_base = initrd_base + initrd_size;
652 }
653
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;
657 int dt_size;
658
659 dt_size = ppce500_load_device_tree(env, params, dt_base, initrd_base,
660 initrd_size);
661 if (dt_size < 0) {
662 fprintf(stderr, "couldn't load device tree\n");
663 exit(1);
664 }
665 assert(dt_size < DTB_MAX_SIZE);
666
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;
671 }
672
673 if (kvm_enabled()) {
674 kvmppc_init();
675 }
676 }
677
678 static int e500_ccsr_initfn(SysBusDevice *dev)
679 {
680 PPCE500CCSRState *ccsr;
681
682 ccsr = CCSR(dev);
683 memory_region_init(&ccsr->ccsr_space, "e500-ccsr",
684 MPC8544_CCSRBAR_SIZE);
685 return 0;
686 }
687
688 static void e500_ccsr_class_init(ObjectClass *klass, void *data)
689 {
690 SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
691 k->init = e500_ccsr_initfn;
692 }
693
694 static const TypeInfo e500_ccsr_info = {
695 .name = TYPE_CCSR,
696 .parent = TYPE_SYS_BUS_DEVICE,
697 .instance_size = sizeof(PPCE500CCSRState),
698 .class_init = e500_ccsr_class_init,
699 };
700
701 static void e500_register_types(void)
702 {
703 type_register_static(&e500_ccsr_info);
704 }
705
706 type_init(e500_register_types)