aboutsummaryrefslogtreecommitdiff
path: root/hw/pcmcia
diff options
context:
space:
mode:
Diffstat (limited to 'hw/pcmcia')
-rw-r--r--hw/pcmcia/Makefile.objs2
-rw-r--r--hw/pcmcia/pcmcia.c24
-rw-r--r--hw/pcmcia/pxa2xx.c229
3 files changed, 255 insertions, 0 deletions
diff --git a/hw/pcmcia/Makefile.objs b/hw/pcmcia/Makefile.objs
new file mode 100644
index 0000000000..4eac060c93
--- /dev/null
+++ b/hw/pcmcia/Makefile.objs
@@ -0,0 +1,2 @@
+common-obj-y += pcmcia.o
+obj-$(CONFIG_PXA2XX) += pxa2xx.o
diff --git a/hw/pcmcia/pcmcia.c b/hw/pcmcia/pcmcia.c
new file mode 100644
index 0000000000..78efe5a67a
--- /dev/null
+++ b/hw/pcmcia/pcmcia.c
@@ -0,0 +1,24 @@
+/*
+ * PCMCIA emulation
+ *
+ * Copyright 2013 SUSE LINUX Products GmbH
+ */
+
+#include "qemu-common.h"
+#include "hw/hw.h"
+#include "hw/pcmcia.h"
+
+static const TypeInfo pcmcia_card_type_info = {
+ .name = TYPE_PCMCIA_CARD,
+ .parent = TYPE_DEVICE,
+ .instance_size = sizeof(PCMCIACardState),
+ .abstract = true,
+ .class_size = sizeof(PCMCIACardClass),
+};
+
+static void pcmcia_register_types(void)
+{
+ type_register_static(&pcmcia_card_type_info);
+}
+
+type_init(pcmcia_register_types)
diff --git a/hw/pcmcia/pxa2xx.c b/hw/pcmcia/pxa2xx.c
new file mode 100644
index 0000000000..2c515bee06
--- /dev/null
+++ b/hw/pcmcia/pxa2xx.c
@@ -0,0 +1,229 @@
+/*
+ * 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/pcmcia.h"
+#include "hw/arm/pxa.h"
+
+
+struct PXA2xxPCMCIAState {
+ PCMCIASocket slot;
+ PCMCIACardState *card;
+ MemoryRegion common_iomem;
+ MemoryRegion attr_iomem;
+ MemoryRegion iomem;
+
+ qemu_irq irq;
+ qemu_irq cd_irq;
+};
+
+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)
+{
+ PXA2xxPCMCIAState *s;
+
+ s = (PXA2xxPCMCIAState *)
+ g_malloc0(sizeof(PXA2xxPCMCIAState));
+
+ /* 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(sysmem, base | 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(sysmem, base | 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(sysmem, base | 0x0c000000,
+ &s->common_iomem);
+
+ if (base == 0x30000000)
+ s->slot.slot_string = "PXA PC Card Socket 1";
+ else
+ s->slot.slot_string = "PXA PC Card Socket 0";
+ s->slot.irq = qemu_allocate_irqs(pxa2xx_pcmcia_set_irq, s, 1)[0];
+ pcmcia_socket_register(&s->slot);
+
+ return s;
+}
+
+/* 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;
+}
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-26 01:08:30 +0000