--- /dev/null
+/*
+ * 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 "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, NULL, &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, NULL, &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, NULL, &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)
Code Review / kvmfornfv.git / blobdiff