/* * Intel XScale PXA255/270 PC Card and CompactFlash Interface. * * Copyright (c) 2006 Openedhand Ltd. * Written by Andrzej Zaborowski <balrog@zabor.org> * * This code is licensed under the GPLv2. * * Contributions after 2012-01-13 are licensed under the terms of the * GNU GPL, version 2 or (at your option) any later version. */ #include "qemu/osdep.h" #include "hw/hw.h" #include "hw/sysbus.h" #include "hw/pcmcia.h" #include "hw/arm/pxa.h" #define TYPE_PXA2XX_PCMCIA "pxa2xx-pcmcia" #define PXA2XX_PCMCIA(obj) \ OBJECT_CHECK(PXA2xxPCMCIAState, obj, TYPE_PXA2XX_PCMCIA) struct PXA2xxPCMCIAState { SysBusDevice parent_obj; PCMCIASocket slot; MemoryRegion container_mem; MemoryRegion common_iomem; MemoryRegion attr_iomem; MemoryRegion iomem; qemu_irq irq; qemu_irq cd_irq; PCMCIACardState *card; }; static uint64_t pxa2xx_pcmcia_common_read(void *opaque, hwaddr offset, unsigned size) { PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque; PCMCIACardClass *pcc; if (s->slot.attached) { pcc = PCMCIA_CARD_GET_CLASS(s->card); return pcc->common_read(s->card, offset); } return 0; } static void pxa2xx_pcmcia_common_write(void *opaque, hwaddr offset, uint64_t value, unsigned size) { PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque; PCMCIACardClass *pcc; if (s->slot.attached) { pcc = PCMCIA_CARD_GET_CLASS(s->card); pcc->common_write(s->card, offset, value); } } static uint64_t pxa2xx_pcmcia_attr_read(void *opaque, hwaddr offset, unsigned size) { PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque; PCMCIACardClass *pcc; if (s->slot.attached) { pcc = PCMCIA_CARD_GET_CLASS(s->card); return pcc->attr_read(s->card, offset); } return 0; } static void pxa2xx_pcmcia_attr_write(void *opaque, hwaddr offset, uint64_t value, unsigned size) { PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque; PCMCIACardClass *pcc; if (s->slot.attached) { pcc = PCMCIA_CARD_GET_CLASS(s->card); pcc->attr_write(s->card, offset, value); } } static uint64_t pxa2xx_pcmcia_io_read(void *opaque, hwaddr offset, unsigned size) { PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque; PCMCIACardClass *pcc; if (s->slot.attached) { pcc = PCMCIA_CARD_GET_CLASS(s->card); return pcc->io_read(s->card, offset); } return 0; } static void pxa2xx_pcmcia_io_write(void *opaque, hwaddr offset, uint64_t value, unsigned size) { PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque; PCMCIACardClass *pcc; if (s->slot.attached) { pcc = PCMCIA_CARD_GET_CLASS(s->card); pcc->io_write(s->card, offset, value); } } static const MemoryRegionOps pxa2xx_pcmcia_common_ops = { .read = pxa2xx_pcmcia_common_read, .write = pxa2xx_pcmcia_common_write, .endianness = DEVICE_NATIVE_ENDIAN }; static const MemoryRegionOps pxa2xx_pcmcia_attr_ops = { .read = pxa2xx_pcmcia_attr_read, .write = pxa2xx_pcmcia_attr_write, .endianness = DEVICE_NATIVE_ENDIAN }; static const MemoryRegionOps pxa2xx_pcmcia_io_ops = { .read = pxa2xx_pcmcia_io_read, .write = pxa2xx_pcmcia_io_write, .endianness = DEVICE_NATIVE_ENDIAN }; static void pxa2xx_pcmcia_set_irq(void *opaque, int line, int level) { PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque; if (!s->irq) return; qemu_set_irq(s->irq, level); } PXA2xxPCMCIAState *pxa2xx_pcmcia_init(MemoryRegion *sysmem, hwaddr base) { DeviceState *dev; PXA2xxPCMCIAState *s; dev = qdev_create(NULL, TYPE_PXA2XX_PCMCIA); sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, base); s = PXA2XX_PCMCIA(dev); qdev_init_nofail(dev); return s; } static void pxa2xx_pcmcia_initfn(Object *obj) { SysBusDevice *sbd = SYS_BUS_DEVICE(obj); PXA2xxPCMCIAState *s = PXA2XX_PCMCIA(obj); memory_region_init(&s->container_mem, obj, "container", 0x10000000); sysbus_init_mmio(sbd, &s->container_mem); /* Socket I/O Memory Space */ memory_region_init_io(&s->iomem, obj, &pxa2xx_pcmcia_io_ops, s, "pxa2xx-pcmcia-io", 0x04000000); memory_region_add_subregion(&s->container_mem, 0x00000000, &s->iomem); /* Then next 64 MB is reserved */ /* Socket Attribute Memory Space */ memory_region_init_io(&s->attr_iomem, obj, &pxa2xx_pcmcia_attr_ops, s, "pxa2xx-pcmcia-attribute", 0x04000000); memory_region_add_subregion(&s->container_mem, 0x08000000, &s->attr_iomem); /* Socket Common Memory Space */ memory_region_init_io(&s->common_iomem, obj, &pxa2xx_pcmcia_common_ops, s, "pxa2xx-pcmcia-common", 0x04000000); memory_region_add_subregion(&s->container_mem, 0x0c000000, &s->common_iomem); s->slot.irq = qemu_allocate_irq(pxa2xx_pcmcia_set_irq, s, 0); object_property_add_link(obj, "card", TYPE_PCMCIA_CARD, (Object **)&s->card, NULL, /* read-only property */ 0, NULL); } /* Insert a new card into a slot */ int pxa2xx_pcmcia_attach(void *opaque, PCMCIACardState *card) { PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque; PCMCIACardClass *pcc; if (s->slot.attached) { return -EEXIST; } if (s->cd_irq) { qemu_irq_raise(s->cd_irq); } s->card = card; pcc = PCMCIA_CARD_GET_CLASS(s->card); s->slot.attached = true; s->card->slot = &s->slot; pcc->attach(s->card); return 0; } /* Eject card from the slot */ int pxa2xx_pcmcia_detach(void *opaque) { PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque; PCMCIACardClass *pcc; if (!s->slot.attached) { return -ENOENT; } pcc = PCMCIA_CARD_GET_CLASS(s->card); pcc->detach(s->card); s->card->slot = NULL; s->card = NULL; s->slot.attached = false; if (s->irq) { qemu_irq_lower(s->irq); } if (s->cd_irq) { qemu_irq_lower(s->cd_irq); } return 0; } /* Who to notify on card events */ void pxa2xx_pcmcia_set_irq_cb(void *opaque, qemu_irq irq, qemu_irq cd_irq) { PXA2xxPCMCIAState *s = (PXA2xxPCMCIAState *) opaque; s->irq = irq; s->cd_irq = cd_irq; } static const TypeInfo pxa2xx_pcmcia_type_info = { .name = TYPE_PXA2XX_PCMCIA, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(PXA2xxPCMCIAState), .instance_init = pxa2xx_pcmcia_initfn, }; static void pxa2xx_pcmcia_register_types(void) { type_register_static(&pxa2xx_pcmcia_type_info); } type_init(pxa2xx_pcmcia_register_types)