#include "hw/ppc/pnv_xscom.h"
+#include "hw/isa/isa.h"
+#include "hw/char/serial.h"
+#include "hw/timer/mc146818rtc.h"
+
#include <libfdt.h>
#define FDT_MAX_SIZE 0x00100000
cpu_physical_memory_write(PNV_FDT_ADDR, fdt, fdt_totalsize(fdt));
}
+/* If we don't use the built-in LPC interrupt deserializer, we need
+ * to provide a set of qirqs for the ISA bus or things will go bad.
+ *
+ * Most machines using pre-Naples chips (without said deserializer)
+ * have a CPLD that will collect the SerIRQ and shoot them as a
+ * single level interrupt to the P8 chip. So let's setup a hook
+ * for doing just that.
+ *
+ * Note: The actual interrupt input isn't emulated yet, this will
+ * come with the PSI bridge model.
+ */
+static void pnv_lpc_isa_irq_handler_cpld(void *opaque, int n, int level)
+{
+ /* We don't yet emulate the PSI bridge which provides the external
+ * interrupt, so just drop interrupts on the floor
+ */
+}
+
+static void pnv_lpc_isa_irq_handler(void *opaque, int n, int level)
+{
+ /* XXX TODO */
+}
+
+static ISABus *pnv_isa_create(PnvChip *chip)
+{
+ PnvLpcController *lpc = &chip->lpc;
+ ISABus *isa_bus;
+ qemu_irq *irqs;
+ PnvChipClass *pcc = PNV_CHIP_GET_CLASS(chip);
+
+ /* let isa_bus_new() create its own bridge on SysBus otherwise
+ * devices speficied on the command line won't find the bus and
+ * will fail to create.
+ */
+ isa_bus = isa_bus_new(NULL, &lpc->isa_mem, &lpc->isa_io,
+ &error_fatal);
+
+ /* Not all variants have a working serial irq decoder. If not,
+ * handling of LPC interrupts becomes a platform issue (some
+ * platforms have a CPLD to do it).
+ */
+ if (pcc->chip_type == PNV_CHIP_POWER8NVL) {
+ irqs = qemu_allocate_irqs(pnv_lpc_isa_irq_handler, chip, ISA_NUM_IRQS);
+ } else {
+ irqs = qemu_allocate_irqs(pnv_lpc_isa_irq_handler_cpld, chip,
+ ISA_NUM_IRQS);
+ }
+
+ isa_bus_irqs(isa_bus, irqs);
+ return isa_bus;
+}
+
static void ppc_powernv_init(MachineState *machine)
{
PnvMachineState *pnv = POWERNV_MACHINE(machine);
object_property_set_bool(chip, true, "realized", &error_fatal);
}
g_free(chip_typename);
+
+ /* Instantiate ISA bus on chip 0 */
+ pnv->isa_bus = pnv_isa_create(pnv->chips[0]);
+
+ /* Create serial port */
+ serial_hds_isa_init(pnv->isa_bus, 0, MAX_SERIAL_PORTS);
+
+ /* Create an RTC ISA device too */
+ rtc_init(pnv->isa_bus, 2000, NULL);
}
/*