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Diffstat (limited to 'hw/sparc64/sun4u.c')
-rw-r--r--hw/sparc64/sun4u.c193
1 files changed, 113 insertions, 80 deletions
diff --git a/hw/sparc64/sun4u.c b/hw/sparc64/sun4u.c
index 1672f256e7..ec45ec2801 100644
--- a/hw/sparc64/sun4u.c
+++ b/hw/sparc64/sun4u.c
@@ -27,7 +27,9 @@
#include "cpu.h"
#include "hw/hw.h"
#include "hw/pci/pci.h"
+#include "hw/pci/pci_bridge.h"
#include "hw/pci/pci_bus.h"
+#include "hw/pci/pci_host.h"
#include "hw/pci-host/apb.h"
#include "hw/i386/pc.h"
#include "hw/char/serial.h"
@@ -46,17 +48,9 @@
#include "hw/ide/pci.h"
#include "hw/loader.h"
#include "elf.h"
+#include "trace.h"
#include "qemu/cutils.h"
-//#define DEBUG_EBUS
-
-#ifdef DEBUG_EBUS
-#define EBUS_DPRINTF(fmt, ...) \
- do { printf("EBUS: " fmt , ## __VA_ARGS__); } while (0)
-#else
-#define EBUS_DPRINTF(fmt, ...)
-#endif
-
#define KERNEL_LOAD_ADDR 0x00404000
#define CMDLINE_ADDR 0x003ff000
#define PROM_SIZE_MAX (4 * 1024 * 1024)
@@ -81,11 +75,19 @@ struct hwdef {
};
typedef struct EbusState {
- PCIDevice pci_dev;
+ /*< private >*/
+ PCIDevice parent_obj;
+
+ ISABus *isa_bus;
+ qemu_irq isa_bus_irqs[ISA_NUM_IRQS];
+ uint64_t console_serial_base;
MemoryRegion bar0;
MemoryRegion bar1;
} EbusState;
+#define TYPE_EBUS "ebus"
+#define EBUS(obj) OBJECT_CHECK(EbusState, (obj), TYPE_EBUS)
+
void DMA_init(ISABus *bus, int high_page_enable)
{
}
@@ -203,48 +205,72 @@ typedef struct ResetData {
uint64_t prom_addr;
} ResetData;
-static void isa_irq_handler(void *opaque, int n, int level)
+static void ebus_isa_irq_handler(void *opaque, int n, int level)
{
- static const int isa_irq_to_ivec[16] = {
- [1] = 0x29, /* keyboard */
- [4] = 0x2b, /* serial */
- [6] = 0x27, /* floppy */
- [7] = 0x22, /* parallel */
- [12] = 0x2a, /* mouse */
- };
- qemu_irq *irqs = opaque;
- int ivec;
-
- assert(n < ARRAY_SIZE(isa_irq_to_ivec));
- ivec = isa_irq_to_ivec[n];
- EBUS_DPRINTF("Set ISA IRQ %d level %d -> ivec 0x%x\n", n, level, ivec);
- if (ivec) {
- qemu_set_irq(irqs[ivec], level);
+ EbusState *s = EBUS(opaque);
+ qemu_irq irq = s->isa_bus_irqs[n];
+
+ /* Pass ISA bus IRQs onto their gpio equivalent */
+ trace_ebus_isa_irq_handler(n, level);
+ if (irq) {
+ qemu_set_irq(irq, level);
}
}
/* EBUS (Eight bit bus) bridge */
-static ISABus *
-pci_ebus_init(PCIDevice *pci_dev, qemu_irq *irqs)
+static void ebus_realize(PCIDevice *pci_dev, Error **errp)
{
+ EbusState *s = EBUS(pci_dev);
+ DeviceState *dev;
qemu_irq *isa_irq;
- ISABus *isa_bus;
+ DriveInfo *fd[MAX_FD];
+ int i;
- isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(pci_dev), "isa.0"));
- isa_irq = qemu_allocate_irqs(isa_irq_handler, irqs, 16);
- isa_bus_irqs(isa_bus, isa_irq);
- return isa_bus;
-}
+ s->isa_bus = isa_bus_new(DEVICE(pci_dev), get_system_memory(),
+ pci_address_space_io(pci_dev), errp);
+ if (!s->isa_bus) {
+ error_setg(errp, "unable to instantiate EBUS ISA bus");
+ return;
+ }
-static void pci_ebus_realize(PCIDevice *pci_dev, Error **errp)
-{
- EbusState *s = DO_UPCAST(EbusState, pci_dev, pci_dev);
+ /* ISA bus */
+ isa_irq = qemu_allocate_irqs(ebus_isa_irq_handler, s, ISA_NUM_IRQS);
+ isa_bus_irqs(s->isa_bus, isa_irq);
+ qdev_init_gpio_out_named(DEVICE(s), s->isa_bus_irqs, "isa-irq",
+ ISA_NUM_IRQS);
- if (!isa_bus_new(DEVICE(pci_dev), get_system_memory(),
- pci_address_space_io(pci_dev), errp)) {
- return;
+ /* Serial ports */
+ i = 0;
+ if (s->console_serial_base) {
+ serial_mm_init(pci_address_space(pci_dev), s->console_serial_base,
+ 0, NULL, 115200, serial_hds[i], DEVICE_BIG_ENDIAN);
+ i++;
}
+ serial_hds_isa_init(s->isa_bus, i, MAX_SERIAL_PORTS);
+
+ /* Parallel ports */
+ parallel_hds_isa_init(s->isa_bus, MAX_PARALLEL_PORTS);
+ /* Keyboard */
+ isa_create_simple(s->isa_bus, "i8042");
+
+ /* Floppy */
+ for (i = 0; i < MAX_FD; i++) {
+ fd[i] = drive_get(IF_FLOPPY, 0, i);
+ }
+ dev = DEVICE(isa_create(s->isa_bus, TYPE_ISA_FDC));
+ if (fd[0]) {
+ qdev_prop_set_drive(dev, "driveA", blk_by_legacy_dinfo(fd[0]),
+ &error_abort);
+ }
+ if (fd[1]) {
+ qdev_prop_set_drive(dev, "driveB", blk_by_legacy_dinfo(fd[1]),
+ &error_abort);
+ }
+ qdev_prop_set_uint32(dev, "dma", -1);
+ qdev_init_nofail(dev);
+
+ /* PCI */
pci_dev->config[0x04] = 0x06; // command = bus master, pci mem
pci_dev->config[0x05] = 0x00;
pci_dev->config[0x06] = 0xa0; // status = fast back-to-back, 66MHz, no error
@@ -260,22 +286,30 @@ static void pci_ebus_realize(PCIDevice *pci_dev, Error **errp)
pci_register_bar(pci_dev, 1, PCI_BASE_ADDRESS_SPACE_IO, &s->bar1);
}
+static Property ebus_properties[] = {
+ DEFINE_PROP_UINT64("console-serial-base", EbusState,
+ console_serial_base, 0),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
static void ebus_class_init(ObjectClass *klass, void *data)
{
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+ DeviceClass *dc = DEVICE_CLASS(klass);
- k->realize = pci_ebus_realize;
+ k->realize = ebus_realize;
k->vendor_id = PCI_VENDOR_ID_SUN;
k->device_id = PCI_DEVICE_ID_SUN_EBUS;
k->revision = 0x01;
k->class_id = PCI_CLASS_BRIDGE_OTHER;
+ dc->props = ebus_properties;
}
static const TypeInfo ebus_info = {
- .name = "ebus",
+ .name = TYPE_EBUS,
.parent = TYPE_PCI_DEVICE,
- .instance_size = sizeof(EbusState),
.class_init = ebus_class_init,
+ .instance_size = sizeof(EbusState),
.interfaces = (InterfaceInfo[]) {
{ INTERFACE_CONVENTIONAL_PCI_DEVICE },
{ },
@@ -431,14 +465,12 @@ static void sun4uv_init(MemoryRegion *address_space_mem,
Nvram *nvram;
unsigned int i;
uint64_t initrd_addr, initrd_size, kernel_addr, kernel_size, kernel_entry;
+ APBState *apb;
PCIBus *pci_bus, *pci_busA, *pci_busB;
PCIDevice *ebus, *pci_dev;
- ISABus *isa_bus;
SysBusDevice *s;
- qemu_irq *ivec_irqs, *pbm_irqs;
DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
- DriveInfo *fd[MAX_FD];
- DeviceState *dev;
+ DeviceState *iommu, *dev;
FWCfgState *fw_cfg;
NICInfo *nd;
MACAddr macaddr;
@@ -447,14 +479,31 @@ static void sun4uv_init(MemoryRegion *address_space_mem,
/* init CPUs */
cpu = sparc64_cpu_devinit(machine->cpu_type, hwdef->prom_addr);
+ /* IOMMU */
+ iommu = qdev_create(NULL, TYPE_SUN4U_IOMMU);
+ qdev_init_nofail(iommu);
+
/* set up devices */
ram_init(0, machine->ram_size);
prom_init(hwdef->prom_addr, bios_name);
- ivec_irqs = qemu_allocate_irqs(sparc64_cpu_set_ivec_irq, cpu, IVEC_MAX);
- pci_bus = pci_apb_init(APB_SPECIAL_BASE, APB_MEM_BASE, ivec_irqs, &pci_busA,
- &pci_busB, &pbm_irqs);
+ /* Init APB (PCI host bridge) */
+ apb = APB_DEVICE(qdev_create(NULL, TYPE_APB));
+ qdev_prop_set_uint64(DEVICE(apb), "special-base", APB_SPECIAL_BASE);
+ qdev_prop_set_uint64(DEVICE(apb), "mem-base", APB_MEM_BASE);
+ object_property_set_link(OBJECT(apb), OBJECT(iommu), "iommu", &error_abort);
+ qdev_init_nofail(DEVICE(apb));
+
+ /* Wire up PCI interrupts to CPU */
+ for (i = 0; i < IVEC_MAX; i++) {
+ qdev_connect_gpio_out_named(DEVICE(apb), "ivec-irq", i,
+ qdev_get_gpio_in_named(DEVICE(cpu), "ivec-irq", i));
+ }
+
+ pci_bus = PCI_HOST_BRIDGE(apb)->bus;
+ pci_busA = pci_bridge_get_sec_bus(apb->bridgeA);
+ pci_busB = pci_bridge_get_sec_bus(apb->bridgeB);
/* Only in-built Simba PBMs can exist on the root bus, slot 0 on busA is
reserved (leaving no slots free after on-board devices) however slots
@@ -463,20 +512,22 @@ static void sun4uv_init(MemoryRegion *address_space_mem,
pci_busA->slot_reserved_mask = 0xfffffff1;
pci_busB->slot_reserved_mask = 0xfffffff0;
- ebus = pci_create_multifunction(pci_busA, PCI_DEVFN(1, 0), true, "ebus");
+ ebus = pci_create_multifunction(pci_busA, PCI_DEVFN(1, 0), true, TYPE_EBUS);
+ qdev_prop_set_uint64(DEVICE(ebus), "console-serial-base",
+ hwdef->console_serial_base);
qdev_init_nofail(DEVICE(ebus));
- isa_bus = pci_ebus_init(ebus, pbm_irqs);
-
- i = 0;
- if (hwdef->console_serial_base) {
- serial_mm_init(address_space_mem, hwdef->console_serial_base, 0,
- NULL, 115200, serial_hds[i], DEVICE_BIG_ENDIAN);
- i++;
- }
-
- serial_hds_isa_init(isa_bus, i, MAX_SERIAL_PORTS);
- parallel_hds_isa_init(isa_bus, MAX_PARALLEL_PORTS);
+ /* Wire up "well-known" ISA IRQs to APB legacy obio IRQs */
+ qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 7,
+ qdev_get_gpio_in_named(DEVICE(apb), "pbm-irq", OBIO_LPT_IRQ));
+ qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 6,
+ qdev_get_gpio_in_named(DEVICE(apb), "pbm-irq", OBIO_FDD_IRQ));
+ qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 1,
+ qdev_get_gpio_in_named(DEVICE(apb), "pbm-irq", OBIO_KBD_IRQ));
+ qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 12,
+ qdev_get_gpio_in_named(DEVICE(apb), "pbm-irq", OBIO_MSE_IRQ));
+ qdev_connect_gpio_out_named(DEVICE(ebus), "isa-irq", 4,
+ qdev_get_gpio_in_named(DEVICE(apb), "pbm-irq", OBIO_SER_IRQ));
pci_dev = pci_create_simple(pci_busA, PCI_DEVFN(2, 0), "VGA");
@@ -516,24 +567,6 @@ static void sun4uv_init(MemoryRegion *address_space_mem,
qdev_init_nofail(&pci_dev->qdev);
pci_ide_create_devs(pci_dev, hd);
- isa_create_simple(isa_bus, "i8042");
-
- /* Floppy */
- for(i = 0; i < MAX_FD; i++) {
- fd[i] = drive_get(IF_FLOPPY, 0, i);
- }
- dev = DEVICE(isa_create(isa_bus, TYPE_ISA_FDC));
- if (fd[0]) {
- qdev_prop_set_drive(dev, "driveA", blk_by_legacy_dinfo(fd[0]),
- &error_abort);
- }
- if (fd[1]) {
- qdev_prop_set_drive(dev, "driveB", blk_by_legacy_dinfo(fd[1]),
- &error_abort);
- }
- qdev_prop_set_uint32(dev, "dma", -1);
- qdev_init_nofail(dev);
-
/* Map NVRAM into I/O (ebus) space */
nvram = m48t59_init(NULL, 0, 0, NVRAM_SIZE, 1968, 59);
s = SYS_BUS_DEVICE(nvram);
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-19 06:19:27 +0000