4  * Copyright (C) 2014 Freescale Semiconductor, Inc. All rights reserved.
23 #include "hw/platform-bus.h"
24 #include "hw/qdev-properties.h"
26 #include "qemu/error-report.h"
31  * Returns the PlatformBus IRQ number for a SysBusDevice irq number or -1 if
40     for (i = 0; i < pbus->num_irqs; i++) {  in platform_bus_get_irqn()
41         if (pbus->irqs[i] == sbirq) {  in platform_bus_get_irqn()
47     return -1;  in platform_bus_get_irqn()
52  * -1 if the region is not mapped on this Platform bus.
57     MemoryRegion *pbus_mr = &pbus->mmio;  in platform_bus_get_mmio_addr()
64         return -1;  in platform_bus_get_mmio_addr()
71         return -1;  in platform_bus_get_mmio_addr()
89         for (i = 0; i < pbus->num_irqs; i++) {  in platform_bus_count_irqs()
90             if (pbus->irqs[i] == sbirq) {  in platform_bus_count_irqs()
91                 bitmap_set(pbus->used_irqs, i, 1);  in platform_bus_count_irqs()
104     bitmap_zero(pbus->used_irqs, pbus->num_irqs);  in plaform_bus_refresh_irqs()
111     int max_irqs = pbus->num_irqs;  in platform_bus_map_irq()
119     irqn = find_first_zero_bit(pbus->used_irqs, max_irqs);  in platform_bus_map_irq()
125     set_bit(irqn, pbus->used_irqs);  in platform_bus_map_irq()
126     sysbus_connect_irq(sbdev, n, pbus->irqs[irqn]);  in platform_bus_map_irq()
134     uint64_t alignment = (1ULL << (63 - clz64(size + size - 1)));  in platform_bus_map_mmio()
147     for (off = 0; off < pbus->mmio_size; off += alignment) {  in platform_bus_map_mmio()
148         MemoryRegion *mr = memory_region_find(&pbus->mmio, off, size).mr;  in platform_bus_map_mmio()
164     memory_region_add_subregion(&pbus->mmio, off, sbdev_mr);  in platform_bus_map_mmio()
193     memory_region_init(&pbus->mmio, OBJECT(dev), "platform bus",  in platform_bus_realize()
194                        pbus->mmio_size);  in platform_bus_realize()
195     sysbus_init_mmio(d, &pbus->mmio);  in platform_bus_realize()
197     pbus->used_irqs = bitmap_new(pbus->num_irqs);  in platform_bus_realize()
198     pbus->irqs = g_new0(qemu_irq, pbus->num_irqs);  in platform_bus_realize()
199     for (i = 0; i < pbus->num_irqs; i++) {  in platform_bus_realize()
200         sysbus_init_irq(d, &pbus->irqs[i]);  in platform_bus_realize()
203     /* some devices might be initialized before so update used IRQs map */  in platform_bus_realize()
217     dc->realize = platform_bus_realize;  in platform_bus_class_init()