2 * QEMU PowerPC e500-based platforms
4 * Copyright (C) 2009 Freescale Semiconductor, Inc. All rights reserved.
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.
17 #include "qemu/osdep.h"
18 #include "qapi/error.h"
20 #include "e500-ccsr.h"
22 #include "qemu/config-file.h"
24 #include "hw/char/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/ppc/openpic.h"
32 #include "hw/ppc/openpic_kvm.h"
33 #include "hw/ppc/ppc.h"
34 #include "hw/loader.h"
36 #include "hw/sysbus.h"
37 #include "exec/address-spaces.h"
38 #include "qemu/host-utils.h"
39 #include "qemu/option.h"
40 #include "hw/pci-host/ppce500.h"
41 #include "qemu/error-report.h"
42 #include "hw/platform-bus.h"
43 #include "hw/net/fsl_etsec/etsec.h"
45 #define EPAPR_MAGIC (0x45504150)
46 #define BINARY_DEVICE_TREE_FILE "mpc8544ds.dtb"
47 #define DTC_LOAD_PAD 0x1800000
48 #define DTC_PAD_MASK 0xFFFFF
49 #define DTB_MAX_SIZE (8 * 1024 * 1024)
50 #define INITRD_LOAD_PAD 0x2000000
51 #define INITRD_PAD_MASK 0xFFFFFF
53 #define RAM_SIZES_ALIGN (64UL << 20)
55 /* TODO: parameterize */
56 #define MPC8544_CCSRBAR_SIZE 0x00100000ULL
57 #define MPC8544_MPIC_REGS_OFFSET 0x40000ULL
58 #define MPC8544_MSI_REGS_OFFSET 0x41600ULL
59 #define MPC8544_SERIAL0_REGS_OFFSET 0x4500ULL
60 #define MPC8544_SERIAL1_REGS_OFFSET 0x4600ULL
61 #define MPC8544_PCI_REGS_OFFSET 0x8000ULL
62 #define MPC8544_PCI_REGS_SIZE 0x1000ULL
63 #define MPC8544_UTIL_OFFSET 0xe0000ULL
64 #define MPC8XXX_GPIO_OFFSET 0x000FF000ULL
65 #define MPC8XXX_GPIO_IRQ 47
74 static uint32_t *pci_map_create(void *fdt, uint32_t mpic, int first_slot,
75 int nr_slots, int *len)
81 int last_slot = first_slot + nr_slots;
84 *len = nr_slots * 4 * 7 * sizeof(uint32_t);
85 pci_map = g_malloc(*len);
87 for (slot = first_slot; slot < last_slot; slot++) {
88 for (pci_irq = 0; pci_irq < 4; pci_irq++) {
89 pci_map[i++] = cpu_to_be32(slot << 11);
90 pci_map[i++] = cpu_to_be32(0x0);
91 pci_map[i++] = cpu_to_be32(0x0);
92 pci_map[i++] = cpu_to_be32(pci_irq + 1);
93 pci_map[i++] = cpu_to_be32(mpic);
94 host_irq = ppce500_pci_map_irq_slot(slot, pci_irq);
95 pci_map[i++] = cpu_to_be32(host_irq + 1);
96 pci_map[i++] = cpu_to_be32(0x1);
100 assert((i * sizeof(uint32_t)) == *len);
105 static void dt_serial_create(void *fdt, unsigned long long offset,
106 const char *soc, const char *mpic,
107 const char *alias, int idx, bool defcon)
111 ser = g_strdup_printf("%s/serial@%llx", soc, offset);
112 qemu_fdt_add_subnode(fdt, ser);
113 qemu_fdt_setprop_string(fdt, ser, "device_type", "serial");
114 qemu_fdt_setprop_string(fdt, ser, "compatible", "ns16550");
115 qemu_fdt_setprop_cells(fdt, ser, "reg", offset, 0x100);
116 qemu_fdt_setprop_cell(fdt, ser, "cell-index", idx);
117 qemu_fdt_setprop_cell(fdt, ser, "clock-frequency", 0);
118 qemu_fdt_setprop_cells(fdt, ser, "interrupts", 42, 2);
119 qemu_fdt_setprop_phandle(fdt, ser, "interrupt-parent", mpic);
120 qemu_fdt_setprop_string(fdt, "/aliases", alias, ser);
124 * "linux,stdout-path" and "stdout" properties are deprecated by linux
125 * kernel. New platforms should only use the "stdout-path" property. Set
126 * the new property and continue using older property to remain
127 * compatible with the existing firmware.
129 qemu_fdt_setprop_string(fdt, "/chosen", "linux,stdout-path", ser);
130 qemu_fdt_setprop_string(fdt, "/chosen", "stdout-path", ser);
135 static void create_dt_mpc8xxx_gpio(void *fdt, const char *soc, const char *mpic)
137 hwaddr mmio0 = MPC8XXX_GPIO_OFFSET;
138 int irq0 = MPC8XXX_GPIO_IRQ;
139 gchar *node = g_strdup_printf("%s/gpio@%"PRIx64, soc, mmio0);
140 gchar *poweroff = g_strdup_printf("%s/power-off", soc);
143 qemu_fdt_add_subnode(fdt, node);
144 qemu_fdt_setprop_string(fdt, node, "compatible", "fsl,qoriq-gpio");
145 qemu_fdt_setprop_cells(fdt, node, "reg", mmio0, 0x1000);
146 qemu_fdt_setprop_cells(fdt, node, "interrupts", irq0, 0x2);
147 qemu_fdt_setprop_phandle(fdt, node, "interrupt-parent", mpic);
148 qemu_fdt_setprop_cells(fdt, node, "#gpio-cells", 2);
149 qemu_fdt_setprop(fdt, node, "gpio-controller", NULL, 0);
150 gpio_ph = qemu_fdt_alloc_phandle(fdt);
151 qemu_fdt_setprop_cell(fdt, node, "phandle", gpio_ph);
152 qemu_fdt_setprop_cell(fdt, node, "linux,phandle", gpio_ph);
155 qemu_fdt_add_subnode(fdt, poweroff);
156 qemu_fdt_setprop_string(fdt, poweroff, "compatible", "gpio-poweroff");
157 qemu_fdt_setprop_cells(fdt, poweroff, "gpios", gpio_ph, 0, 0);
163 typedef struct PlatformDevtreeData {
168 PlatformBusDevice *pbus;
169 } PlatformDevtreeData;
171 static int create_devtree_etsec(SysBusDevice *sbdev, PlatformDevtreeData *data)
173 eTSEC *etsec = ETSEC_COMMON(sbdev);
174 PlatformBusDevice *pbus = data->pbus;
175 hwaddr mmio0 = platform_bus_get_mmio_addr(pbus, sbdev, 0);
176 int irq0 = platform_bus_get_irqn(pbus, sbdev, 0);
177 int irq1 = platform_bus_get_irqn(pbus, sbdev, 1);
178 int irq2 = platform_bus_get_irqn(pbus, sbdev, 2);
179 gchar *node = g_strdup_printf("/platform/ethernet@%"PRIx64, mmio0);
180 gchar *group = g_strdup_printf("%s/queue-group", node);
181 void *fdt = data->fdt;
183 assert((int64_t)mmio0 >= 0);
188 qemu_fdt_add_subnode(fdt, node);
189 qemu_fdt_setprop_string(fdt, node, "device_type", "network");
190 qemu_fdt_setprop_string(fdt, node, "compatible", "fsl,etsec2");
191 qemu_fdt_setprop_string(fdt, node, "model", "eTSEC");
192 qemu_fdt_setprop(fdt, node, "local-mac-address", etsec->conf.macaddr.a, 6);
193 qemu_fdt_setprop_cells(fdt, node, "fixed-link", 0, 1, 1000, 0, 0);
195 qemu_fdt_add_subnode(fdt, group);
196 qemu_fdt_setprop_cells(fdt, group, "reg", mmio0, 0x1000);
197 qemu_fdt_setprop_cells(fdt, group, "interrupts",
198 data->irq_start + irq0, 0x2,
199 data->irq_start + irq1, 0x2,
200 data->irq_start + irq2, 0x2);
208 static void sysbus_device_create_devtree(SysBusDevice *sbdev, void *opaque)
210 PlatformDevtreeData *data = opaque;
211 bool matched = false;
213 if (object_dynamic_cast(OBJECT(sbdev), TYPE_ETSEC_COMMON)) {
214 create_devtree_etsec(sbdev, data);
219 error_report("Device %s is not supported by this machine yet.",
220 qdev_fw_name(DEVICE(sbdev)));
225 static void platform_bus_create_devtree(const PPCE500MachineClass *pmc,
226 void *fdt, const char *mpic)
228 gchar *node = g_strdup_printf("/platform@%"PRIx64, pmc->platform_bus_base);
229 const char platcomp[] = "qemu,platform\0simple-bus";
230 uint64_t addr = pmc->platform_bus_base;
231 uint64_t size = pmc->platform_bus_size;
232 int irq_start = pmc->platform_bus_first_irq;
233 PlatformBusDevice *pbus;
236 /* Create a /platform node that we can put all devices into */
238 qemu_fdt_add_subnode(fdt, node);
239 qemu_fdt_setprop(fdt, node, "compatible", platcomp, sizeof(platcomp));
241 /* Our platform bus region is less than 32bit big, so 1 cell is enough for
243 qemu_fdt_setprop_cells(fdt, node, "#size-cells", 1);
244 qemu_fdt_setprop_cells(fdt, node, "#address-cells", 1);
245 qemu_fdt_setprop_cells(fdt, node, "ranges", 0, addr >> 32, addr, size);
247 qemu_fdt_setprop_phandle(fdt, node, "interrupt-parent", mpic);
249 dev = qdev_find_recursive(sysbus_get_default(), TYPE_PLATFORM_BUS_DEVICE);
250 pbus = PLATFORM_BUS_DEVICE(dev);
252 /* We can only create dt nodes for dynamic devices when they're ready */
253 if (pbus->done_gathering) {
254 PlatformDevtreeData data = {
257 .irq_start = irq_start,
262 /* Loop through all dynamic sysbus devices and create nodes for them */
263 foreach_dynamic_sysbus_device(sysbus_device_create_devtree, &data);
269 static int ppce500_load_device_tree(PPCE500MachineState *pms,
277 MachineState *machine = MACHINE(pms);
278 const PPCE500MachineClass *pmc = PPCE500_MACHINE_GET_CLASS(pms);
279 CPUPPCState *env = first_cpu->env_ptr;
281 uint64_t mem_reg_property[] = { 0, cpu_to_be64(machine->ram_size) };
284 uint8_t hypercall[16];
285 uint32_t clock_freq = 400000000;
286 uint32_t tb_freq = 400000000;
288 char compatible_sb[] = "fsl,mpc8544-immr\0simple-bus";
296 uint32_t *pci_map = NULL;
298 uint32_t pci_ranges[14] =
300 0x2000000, 0x0, pmc->pci_mmio_bus_base,
301 pmc->pci_mmio_base >> 32, pmc->pci_mmio_base,
305 pmc->pci_pio_base >> 32, pmc->pci_pio_base,
308 QemuOpts *machine_opts = qemu_get_machine_opts();
309 const char *dtb_file = qemu_opt_get(machine_opts, "dtb");
310 const char *toplevel_compat = qemu_opt_get(machine_opts, "dt_compatible");
314 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, dtb_file);
319 fdt = load_device_tree(filename, &fdt_size);
327 fdt = create_device_tree(&fdt_size);
332 /* Manipulate device tree in memory. */
333 qemu_fdt_setprop_cell(fdt, "/", "#address-cells", 2);
334 qemu_fdt_setprop_cell(fdt, "/", "#size-cells", 2);
336 qemu_fdt_add_subnode(fdt, "/memory");
337 qemu_fdt_setprop_string(fdt, "/memory", "device_type", "memory");
338 qemu_fdt_setprop(fdt, "/memory", "reg", mem_reg_property,
339 sizeof(mem_reg_property));
341 qemu_fdt_add_subnode(fdt, "/chosen");
343 ret = qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-start",
346 fprintf(stderr, "couldn't set /chosen/linux,initrd-start\n");
349 ret = qemu_fdt_setprop_cell(fdt, "/chosen", "linux,initrd-end",
350 (initrd_base + initrd_size));
352 fprintf(stderr, "couldn't set /chosen/linux,initrd-end\n");
357 if (kernel_base != -1ULL) {
358 qemu_fdt_setprop_cells(fdt, "/chosen", "qemu,boot-kernel",
359 kernel_base >> 32, kernel_base,
360 kernel_size >> 32, kernel_size);
363 ret = qemu_fdt_setprop_string(fdt, "/chosen", "bootargs",
364 machine->kernel_cmdline);
366 fprintf(stderr, "couldn't set /chosen/bootargs\n");
369 /* Read out host's frequencies */
370 clock_freq = kvmppc_get_clockfreq();
371 tb_freq = kvmppc_get_tbfreq();
373 /* indicate KVM hypercall interface */
374 qemu_fdt_add_subnode(fdt, "/hypervisor");
375 qemu_fdt_setprop_string(fdt, "/hypervisor", "compatible",
377 kvmppc_get_hypercall(env, hypercall, sizeof(hypercall));
378 qemu_fdt_setprop(fdt, "/hypervisor", "hcall-instructions",
379 hypercall, sizeof(hypercall));
380 /* if KVM supports the idle hcall, set property indicating this */
381 if (kvmppc_get_hasidle(env)) {
382 qemu_fdt_setprop(fdt, "/hypervisor", "has-idle", NULL, 0);
386 /* Create CPU nodes */
387 qemu_fdt_add_subnode(fdt, "/cpus");
388 qemu_fdt_setprop_cell(fdt, "/cpus", "#address-cells", 1);
389 qemu_fdt_setprop_cell(fdt, "/cpus", "#size-cells", 0);
391 /* We need to generate the cpu nodes in reverse order, so Linux can pick
392 the first node as boot node and be happy */
393 for (i = smp_cpus - 1; i >= 0; i--) {
396 uint64_t cpu_release_addr = pmc->spin_base + (i * 0x20);
398 cpu = qemu_get_cpu(i);
404 cpu_name = g_strdup_printf("/cpus/PowerPC,8544@%x", i);
405 qemu_fdt_add_subnode(fdt, cpu_name);
406 qemu_fdt_setprop_cell(fdt, cpu_name, "clock-frequency", clock_freq);
407 qemu_fdt_setprop_cell(fdt, cpu_name, "timebase-frequency", tb_freq);
408 qemu_fdt_setprop_string(fdt, cpu_name, "device_type", "cpu");
409 qemu_fdt_setprop_cell(fdt, cpu_name, "reg", i);
410 qemu_fdt_setprop_cell(fdt, cpu_name, "d-cache-line-size",
411 env->dcache_line_size);
412 qemu_fdt_setprop_cell(fdt, cpu_name, "i-cache-line-size",
413 env->icache_line_size);
414 qemu_fdt_setprop_cell(fdt, cpu_name, "d-cache-size", 0x8000);
415 qemu_fdt_setprop_cell(fdt, cpu_name, "i-cache-size", 0x8000);
416 qemu_fdt_setprop_cell(fdt, cpu_name, "bus-frequency", 0);
417 if (cpu->cpu_index) {
418 qemu_fdt_setprop_string(fdt, cpu_name, "status", "disabled");
419 qemu_fdt_setprop_string(fdt, cpu_name, "enable-method",
421 qemu_fdt_setprop_u64(fdt, cpu_name, "cpu-release-addr",
424 qemu_fdt_setprop_string(fdt, cpu_name, "status", "okay");
429 qemu_fdt_add_subnode(fdt, "/aliases");
430 /* XXX These should go into their respective devices' code */
431 soc = g_strdup_printf("/soc@%"PRIx64, pmc->ccsrbar_base);
432 qemu_fdt_add_subnode(fdt, soc);
433 qemu_fdt_setprop_string(fdt, soc, "device_type", "soc");
434 qemu_fdt_setprop(fdt, soc, "compatible", compatible_sb,
435 sizeof(compatible_sb));
436 qemu_fdt_setprop_cell(fdt, soc, "#address-cells", 1);
437 qemu_fdt_setprop_cell(fdt, soc, "#size-cells", 1);
438 qemu_fdt_setprop_cells(fdt, soc, "ranges", 0x0,
439 pmc->ccsrbar_base >> 32, pmc->ccsrbar_base,
440 MPC8544_CCSRBAR_SIZE);
441 /* XXX should contain a reasonable value */
442 qemu_fdt_setprop_cell(fdt, soc, "bus-frequency", 0);
444 mpic = g_strdup_printf("%s/pic@%llx", soc, MPC8544_MPIC_REGS_OFFSET);
445 qemu_fdt_add_subnode(fdt, mpic);
446 qemu_fdt_setprop_string(fdt, mpic, "device_type", "open-pic");
447 qemu_fdt_setprop_string(fdt, mpic, "compatible", "fsl,mpic");
448 qemu_fdt_setprop_cells(fdt, mpic, "reg", MPC8544_MPIC_REGS_OFFSET,
450 qemu_fdt_setprop_cell(fdt, mpic, "#address-cells", 0);
451 qemu_fdt_setprop_cell(fdt, mpic, "#interrupt-cells", 2);
452 mpic_ph = qemu_fdt_alloc_phandle(fdt);
453 qemu_fdt_setprop_cell(fdt, mpic, "phandle", mpic_ph);
454 qemu_fdt_setprop_cell(fdt, mpic, "linux,phandle", mpic_ph);
455 qemu_fdt_setprop(fdt, mpic, "interrupt-controller", NULL, 0);
458 * We have to generate ser1 first, because Linux takes the first
459 * device it finds in the dt as serial output device. And we generate
460 * devices in reverse order to the dt.
463 dt_serial_create(fdt, MPC8544_SERIAL1_REGS_OFFSET,
464 soc, mpic, "serial1", 1, false);
468 dt_serial_create(fdt, MPC8544_SERIAL0_REGS_OFFSET,
469 soc, mpic, "serial0", 0, true);
472 gutil = g_strdup_printf("%s/global-utilities@%llx", soc,
473 MPC8544_UTIL_OFFSET);
474 qemu_fdt_add_subnode(fdt, gutil);
475 qemu_fdt_setprop_string(fdt, gutil, "compatible", "fsl,mpc8544-guts");
476 qemu_fdt_setprop_cells(fdt, gutil, "reg", MPC8544_UTIL_OFFSET, 0x1000);
477 qemu_fdt_setprop(fdt, gutil, "fsl,has-rstcr", NULL, 0);
480 msi = g_strdup_printf("/%s/msi@%llx", soc, MPC8544_MSI_REGS_OFFSET);
481 qemu_fdt_add_subnode(fdt, msi);
482 qemu_fdt_setprop_string(fdt, msi, "compatible", "fsl,mpic-msi");
483 qemu_fdt_setprop_cells(fdt, msi, "reg", MPC8544_MSI_REGS_OFFSET, 0x200);
484 msi_ph = qemu_fdt_alloc_phandle(fdt);
485 qemu_fdt_setprop_cells(fdt, msi, "msi-available-ranges", 0x0, 0x100);
486 qemu_fdt_setprop_phandle(fdt, msi, "interrupt-parent", mpic);
487 qemu_fdt_setprop_cells(fdt, msi, "interrupts",
496 qemu_fdt_setprop_cell(fdt, msi, "phandle", msi_ph);
497 qemu_fdt_setprop_cell(fdt, msi, "linux,phandle", msi_ph);
500 pci = g_strdup_printf("/pci@%llx",
501 pmc->ccsrbar_base + MPC8544_PCI_REGS_OFFSET);
502 qemu_fdt_add_subnode(fdt, pci);
503 qemu_fdt_setprop_cell(fdt, pci, "cell-index", 0);
504 qemu_fdt_setprop_string(fdt, pci, "compatible", "fsl,mpc8540-pci");
505 qemu_fdt_setprop_string(fdt, pci, "device_type", "pci");
506 qemu_fdt_setprop_cells(fdt, pci, "interrupt-map-mask", 0xf800, 0x0,
508 pci_map = pci_map_create(fdt, qemu_fdt_get_phandle(fdt, mpic),
509 pmc->pci_first_slot, pmc->pci_nr_slots,
511 qemu_fdt_setprop(fdt, pci, "interrupt-map", pci_map, len);
512 qemu_fdt_setprop_phandle(fdt, pci, "interrupt-parent", mpic);
513 qemu_fdt_setprop_cells(fdt, pci, "interrupts", 24, 2);
514 qemu_fdt_setprop_cells(fdt, pci, "bus-range", 0, 255);
515 for (i = 0; i < 14; i++) {
516 pci_ranges[i] = cpu_to_be32(pci_ranges[i]);
518 qemu_fdt_setprop_cell(fdt, pci, "fsl,msi", msi_ph);
519 qemu_fdt_setprop(fdt, pci, "ranges", pci_ranges, sizeof(pci_ranges));
520 qemu_fdt_setprop_cells(fdt, pci, "reg",
521 (pmc->ccsrbar_base + MPC8544_PCI_REGS_OFFSET) >> 32,
522 (pmc->ccsrbar_base + MPC8544_PCI_REGS_OFFSET),
524 qemu_fdt_setprop_cell(fdt, pci, "clock-frequency", 66666666);
525 qemu_fdt_setprop_cell(fdt, pci, "#interrupt-cells", 1);
526 qemu_fdt_setprop_cell(fdt, pci, "#size-cells", 2);
527 qemu_fdt_setprop_cell(fdt, pci, "#address-cells", 3);
528 qemu_fdt_setprop_string(fdt, "/aliases", "pci0", pci);
531 if (pmc->has_mpc8xxx_gpio) {
532 create_dt_mpc8xxx_gpio(fdt, soc, mpic);
536 if (pmc->has_platform_bus) {
537 platform_bus_create_devtree(pmc, fdt, mpic);
541 pmc->fixup_devtree(fdt);
543 if (toplevel_compat) {
544 qemu_fdt_setprop(fdt, "/", "compatible", toplevel_compat,
545 strlen(toplevel_compat) + 1);
550 qemu_fdt_dumpdtb(fdt, fdt_size);
551 cpu_physical_memory_write(addr, fdt, fdt_size);
561 typedef struct DeviceTreeParams {
562 PPCE500MachineState *machine;
571 static void ppce500_reset_device_tree(void *opaque)
573 DeviceTreeParams *p = opaque;
574 ppce500_load_device_tree(p->machine, p->addr, p->initrd_base,
575 p->initrd_size, p->kernel_base, p->kernel_size,
579 static void ppce500_init_notify(Notifier *notifier, void *data)
581 DeviceTreeParams *p = container_of(notifier, DeviceTreeParams, notifier);
582 ppce500_reset_device_tree(p);
585 static int ppce500_prep_device_tree(PPCE500MachineState *machine,
592 DeviceTreeParams *p = g_new(DeviceTreeParams, 1);
593 p->machine = machine;
595 p->initrd_base = initrd_base;
596 p->initrd_size = initrd_size;
597 p->kernel_base = kernel_base;
598 p->kernel_size = kernel_size;
600 qemu_register_reset(ppce500_reset_device_tree, p);
601 p->notifier.notify = ppce500_init_notify;
602 qemu_add_machine_init_done_notifier(&p->notifier);
604 /* Issue the device tree loader once, so that we get the size of the blob */
605 return ppce500_load_device_tree(machine, addr, initrd_base, initrd_size,
606 kernel_base, kernel_size, true);
609 /* Create -kernel TLB entries for BookE. */
610 hwaddr booke206_page_size_to_tlb(uint64_t size)
612 return 63 - clz64(size >> 10);
615 static int booke206_initial_map_tsize(CPUPPCState *env)
617 struct boot_info *bi = env->load_info;
621 /* Our initial TLB entry needs to cover everything from 0 to
622 the device tree top */
623 dt_end = bi->dt_base + bi->dt_size;
624 ps = booke206_page_size_to_tlb(dt_end) + 1;
626 /* e500v2 can only do even TLB size bits */
632 static uint64_t mmubooke_initial_mapsize(CPUPPCState *env)
636 tsize = booke206_initial_map_tsize(env);
637 return (1ULL << 10 << tsize);
640 static void mmubooke_create_initial_mapping(CPUPPCState *env)
642 ppcmas_tlb_t *tlb = booke206_get_tlbm(env, 1, 0, 0);
646 ps = booke206_initial_map_tsize(env);
647 size = (ps << MAS1_TSIZE_SHIFT);
648 tlb->mas1 = MAS1_VALID | size;
651 tlb->mas7_3 |= MAS3_UR | MAS3_UW | MAS3_UX | MAS3_SR | MAS3_SW | MAS3_SX;
653 env->tlb_dirty = true;
656 static void ppce500_cpu_reset_sec(void *opaque)
658 PowerPCCPU *cpu = opaque;
659 CPUState *cs = CPU(cpu);
663 /* Secondary CPU starts in halted state for now. Needs to change when
664 implementing non-kernel boot. */
666 cs->exception_index = EXCP_HLT;
669 static void ppce500_cpu_reset(void *opaque)
671 PowerPCCPU *cpu = opaque;
672 CPUState *cs = CPU(cpu);
673 CPUPPCState *env = &cpu->env;
674 struct boot_info *bi = env->load_info;
678 /* Set initial guest state. */
680 env->gpr[1] = (16<<20) - 8;
681 env->gpr[3] = bi->dt_base;
684 env->gpr[6] = EPAPR_MAGIC;
685 env->gpr[7] = mmubooke_initial_mapsize(env);
688 env->nip = bi->entry;
689 mmubooke_create_initial_mapping(env);
692 static DeviceState *ppce500_init_mpic_qemu(PPCE500MachineState *pms,
698 MachineState *machine = MACHINE(pms);
699 const PPCE500MachineClass *pmc = PPCE500_MACHINE_GET_CLASS(pms);
701 dev = qdev_create(NULL, TYPE_OPENPIC);
702 object_property_add_child(OBJECT(machine), "pic", OBJECT(dev),
704 qdev_prop_set_uint32(dev, "model", pmc->mpic_version);
705 qdev_prop_set_uint32(dev, "nb_cpus", smp_cpus);
707 qdev_init_nofail(dev);
708 s = SYS_BUS_DEVICE(dev);
711 for (i = 0; i < smp_cpus; i++) {
712 for (j = 0; j < OPENPIC_OUTPUT_NB; j++) {
713 sysbus_connect_irq(s, k++, irqs[i][j]);
720 static DeviceState *ppce500_init_mpic_kvm(const PPCE500MachineClass *pmc,
721 qemu_irq **irqs, Error **errp)
727 dev = qdev_create(NULL, TYPE_KVM_OPENPIC);
728 qdev_prop_set_uint32(dev, "model", pmc->mpic_version);
730 object_property_set_bool(OBJECT(dev), true, "realized", &err);
732 error_propagate(errp, err);
733 object_unparent(OBJECT(dev));
738 if (kvm_openpic_connect_vcpu(dev, cs)) {
739 fprintf(stderr, "%s: failed to connect vcpu to irqchip\n",
748 static DeviceState *ppce500_init_mpic(PPCE500MachineState *pms,
752 MachineState *machine = MACHINE(pms);
753 const PPCE500MachineClass *pmc = PPCE500_MACHINE_GET_CLASS(pms);
754 DeviceState *dev = NULL;
760 if (machine_kernel_irqchip_allowed(machine)) {
761 dev = ppce500_init_mpic_kvm(pmc, irqs, &err);
763 if (machine_kernel_irqchip_required(machine) && !dev) {
764 error_reportf_err(err,
765 "kernel_irqchip requested but unavailable: ");
771 dev = ppce500_init_mpic_qemu(pms, irqs);
774 s = SYS_BUS_DEVICE(dev);
775 memory_region_add_subregion(ccsr, MPC8544_MPIC_REGS_OFFSET,
781 static void ppce500_power_off(void *opaque, int line, int on)
784 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_SHUTDOWN);
788 void ppce500_init(MachineState *machine)
790 MemoryRegion *address_space_mem = get_system_memory();
791 MemoryRegion *ram = g_new(MemoryRegion, 1);
792 PPCE500MachineState *pms = PPCE500_MACHINE(machine);
793 const PPCE500MachineClass *pmc = PPCE500_MACHINE_GET_CLASS(machine);
795 CPUPPCState *env = NULL;
797 hwaddr kernel_base = -1LL;
800 hwaddr initrd_base = 0;
804 const char *payload_name;
805 bool kernel_as_payload;
806 hwaddr bios_entry = 0;
807 target_long payload_size;
808 struct boot_info *boot_info;
811 /* irq num for pin INTA, INTB, INTC and INTD is 1, 2, 3 and
813 unsigned int pci_irq_nrs[PCI_NUM_PINS] = {1, 2, 3, 4};
815 DeviceState *dev, *mpicdev;
816 CPUPPCState *firstenv = NULL;
817 MemoryRegion *ccsr_addr_space;
819 PPCE500CCSRState *ccsr;
821 irqs = g_malloc0(smp_cpus * sizeof(qemu_irq *));
822 irqs[0] = g_malloc0(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
823 for (i = 0; i < smp_cpus; i++) {
828 cpu = POWERPC_CPU(cpu_create(machine->cpu_type));
832 if (env->mmu_model != POWERPC_MMU_BOOKE206) {
833 error_report("MMU model %i not supported by this machine",
842 irqs[i] = irqs[0] + (i * OPENPIC_OUTPUT_NB);
843 input = (qemu_irq *)env->irq_inputs;
844 irqs[i][OPENPIC_OUTPUT_INT] = input[PPCE500_INPUT_INT];
845 irqs[i][OPENPIC_OUTPUT_CINT] = input[PPCE500_INPUT_CINT];
846 env->spr_cb[SPR_BOOKE_PIR].default_value = cs->cpu_index = i;
847 env->mpic_iack = pmc->ccsrbar_base + MPC8544_MPIC_REGS_OFFSET + 0xa0;
849 ppc_booke_timers_init(cpu, 400000000, PPC_TIMER_E500);
851 /* Register reset handler */
854 struct boot_info *boot_info;
855 boot_info = g_malloc0(sizeof(struct boot_info));
856 qemu_register_reset(ppce500_cpu_reset, cpu);
857 env->load_info = boot_info;
860 qemu_register_reset(ppce500_cpu_reset_sec, cpu);
866 /* Fixup Memory size on a alignment boundary */
867 ram_size &= ~(RAM_SIZES_ALIGN - 1);
868 machine->ram_size = ram_size;
870 /* Register Memory */
871 memory_region_allocate_system_memory(ram, NULL, "mpc8544ds.ram", ram_size);
872 memory_region_add_subregion(address_space_mem, 0, ram);
874 dev = qdev_create(NULL, "e500-ccsr");
875 object_property_add_child(qdev_get_machine(), "e500-ccsr",
877 qdev_init_nofail(dev);
879 ccsr_addr_space = &ccsr->ccsr_space;
880 memory_region_add_subregion(address_space_mem, pmc->ccsrbar_base,
883 mpicdev = ppce500_init_mpic(pms, ccsr_addr_space, irqs);
887 serial_mm_init(ccsr_addr_space, MPC8544_SERIAL0_REGS_OFFSET,
888 0, qdev_get_gpio_in(mpicdev, 42), 399193,
889 serial_hd(0), DEVICE_BIG_ENDIAN);
893 serial_mm_init(ccsr_addr_space, MPC8544_SERIAL1_REGS_OFFSET,
894 0, qdev_get_gpio_in(mpicdev, 42), 399193,
895 serial_hd(1), DEVICE_BIG_ENDIAN);
898 /* General Utility device */
899 dev = qdev_create(NULL, "mpc8544-guts");
900 qdev_init_nofail(dev);
901 s = SYS_BUS_DEVICE(dev);
902 memory_region_add_subregion(ccsr_addr_space, MPC8544_UTIL_OFFSET,
903 sysbus_mmio_get_region(s, 0));
906 dev = qdev_create(NULL, "e500-pcihost");
907 object_property_add_child(qdev_get_machine(), "pci-host", OBJECT(dev),
909 qdev_prop_set_uint32(dev, "first_slot", pmc->pci_first_slot);
910 qdev_prop_set_uint32(dev, "first_pin_irq", pci_irq_nrs[0]);
911 qdev_init_nofail(dev);
912 s = SYS_BUS_DEVICE(dev);
913 for (i = 0; i < PCI_NUM_PINS; i++) {
914 sysbus_connect_irq(s, i, qdev_get_gpio_in(mpicdev, pci_irq_nrs[i]));
917 memory_region_add_subregion(ccsr_addr_space, MPC8544_PCI_REGS_OFFSET,
918 sysbus_mmio_get_region(s, 0));
920 pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci.0");
922 printf("couldn't create PCI controller!\n");
925 /* Register network interfaces. */
926 for (i = 0; i < nb_nics; i++) {
927 pci_nic_init_nofail(&nd_table[i], pci_bus, "virtio-net-pci", NULL);
931 /* Register spinning region */
932 sysbus_create_simple("e500-spin", pmc->spin_base, NULL);
934 if (pmc->has_mpc8xxx_gpio) {
935 qemu_irq poweroff_irq;
937 dev = qdev_create(NULL, "mpc8xxx_gpio");
938 s = SYS_BUS_DEVICE(dev);
939 qdev_init_nofail(dev);
940 sysbus_connect_irq(s, 0, qdev_get_gpio_in(mpicdev, MPC8XXX_GPIO_IRQ));
941 memory_region_add_subregion(ccsr_addr_space, MPC8XXX_GPIO_OFFSET,
942 sysbus_mmio_get_region(s, 0));
944 /* Power Off GPIO at Pin 0 */
945 poweroff_irq = qemu_allocate_irq(ppce500_power_off, NULL, 0);
946 qdev_connect_gpio_out(dev, 0, poweroff_irq);
949 /* Platform Bus Device */
950 if (pmc->has_platform_bus) {
951 dev = qdev_create(NULL, TYPE_PLATFORM_BUS_DEVICE);
952 dev->id = TYPE_PLATFORM_BUS_DEVICE;
953 qdev_prop_set_uint32(dev, "num_irqs", pmc->platform_bus_num_irqs);
954 qdev_prop_set_uint32(dev, "mmio_size", pmc->platform_bus_size);
955 qdev_init_nofail(dev);
956 s = SYS_BUS_DEVICE(dev);
958 for (i = 0; i < pmc->platform_bus_num_irqs; i++) {
959 int irqn = pmc->platform_bus_first_irq + i;
960 sysbus_connect_irq(s, i, qdev_get_gpio_in(mpicdev, irqn));
963 memory_region_add_subregion(address_space_mem,
964 pmc->platform_bus_base,
965 sysbus_mmio_get_region(s, 0));
969 * Smart firmware defaults ahead!
971 * We follow the following table to select which payload we execute.
973 * -kernel | -bios | payload
974 * ---------+-------+---------
980 * This ensures backwards compatibility with how we used to expose
981 * -kernel to users but allows them to run through u-boot as well.
983 kernel_as_payload = false;
984 if (bios_name == NULL) {
985 if (machine->kernel_filename) {
986 payload_name = machine->kernel_filename;
987 kernel_as_payload = true;
989 payload_name = "u-boot.e500";
992 payload_name = bios_name;
995 filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, payload_name);
997 payload_size = load_elf(filename, NULL, NULL, &bios_entry, &loadaddr, NULL,
998 1, PPC_ELF_MACHINE, 0, 0);
999 if (payload_size < 0) {
1001 * Hrm. No ELF image? Try a uImage, maybe someone is giving us an
1002 * ePAPR compliant kernel
1004 payload_size = load_uimage(filename, &bios_entry, &loadaddr, NULL,
1006 if (payload_size < 0) {
1007 error_report("qemu: could not load firmware '%s'", filename);
1014 if (kernel_as_payload) {
1015 kernel_base = loadaddr;
1016 kernel_size = payload_size;
1019 cur_base = loadaddr + payload_size;
1020 if (cur_base < (32 * 1024 * 1024)) {
1021 /* u-boot occupies memory up to 32MB, so load blobs above */
1022 cur_base = (32 * 1024 * 1024);
1025 /* Load bare kernel only if no bios/u-boot has been provided */
1026 if (machine->kernel_filename && !kernel_as_payload) {
1027 kernel_base = cur_base;
1028 kernel_size = load_image_targphys(machine->kernel_filename,
1030 ram_size - cur_base);
1031 if (kernel_size < 0) {
1032 error_report("could not load kernel '%s'",
1033 machine->kernel_filename);
1037 cur_base += kernel_size;
1041 if (machine->initrd_filename) {
1042 initrd_base = (cur_base + INITRD_LOAD_PAD) & ~INITRD_PAD_MASK;
1043 initrd_size = load_image_targphys(machine->initrd_filename, initrd_base,
1044 ram_size - initrd_base);
1046 if (initrd_size < 0) {
1047 error_report("could not load initial ram disk '%s'",
1048 machine->initrd_filename);
1052 cur_base = initrd_base + initrd_size;
1056 * Reserve space for dtb behind the kernel image because Linux has a bug
1057 * where it can only handle the dtb if it's within the first 64MB of where
1058 * <kernel> starts. dtb cannot not reach initrd_base because INITRD_LOAD_PAD
1059 * ensures enough space between kernel and initrd.
1061 dt_base = (loadaddr + payload_size + DTC_LOAD_PAD) & ~DTC_PAD_MASK;
1062 if (dt_base + DTB_MAX_SIZE > ram_size) {
1063 error_report("qemu: not enough memory for device tree");
1067 dt_size = ppce500_prep_device_tree(pms, dt_base,
1068 initrd_base, initrd_size,
1069 kernel_base, kernel_size);
1071 error_report("couldn't load device tree");
1074 assert(dt_size < DTB_MAX_SIZE);
1076 boot_info = env->load_info;
1077 boot_info->entry = bios_entry;
1078 boot_info->dt_base = dt_base;
1079 boot_info->dt_size = dt_size;
1082 static void e500_ccsr_initfn(Object *obj)
1084 PPCE500CCSRState *ccsr = CCSR(obj);
1085 memory_region_init(&ccsr->ccsr_space, obj, "e500-ccsr",
1086 MPC8544_CCSRBAR_SIZE);
1089 static const TypeInfo e500_ccsr_info = {
1091 .parent = TYPE_SYS_BUS_DEVICE,
1092 .instance_size = sizeof(PPCE500CCSRState),
1093 .instance_init = e500_ccsr_initfn,
1096 static const TypeInfo ppce500_info = {
1097 .name = TYPE_PPCE500_MACHINE,
1098 .parent = TYPE_MACHINE,
1100 .class_size = sizeof(PPCE500MachineClass),
1103 static void e500_register_types(void)
1105 type_register_static(&e500_ccsr_info);
1106 type_register_static(&ppce500_info);
1109 type_init(e500_register_types)