-/*
+/*
* Arm PrimeCell PL080/PL081 DMA controller
*
* Copyright (c) 2006 CodeSourcery.
* Written by Paul Brook
*
- * This code is licenced under the GPL.
+ * This code is licensed under the GPL.
*/
-#include "vl.h"
+#include "sysbus.h"
#define PL080_MAX_CHANNELS 8
#define PL080_CONF_E 0x1
} pl080_channel;
typedef struct {
- uint32_t base;
+ SysBusDevice busdev;
+ MemoryRegion iomem;
uint8_t tc_int;
uint8_t tc_mask;
uint8_t err_int;
int nchannels;
/* Flag to avoid recursive DMA invocations. */
int running;
- void *pic;
- int irq;
+ qemu_irq irq;
} pl080_state;
+static const VMStateDescription vmstate_pl080_channel = {
+ .name = "pl080_channel",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT32(src, pl080_channel),
+ VMSTATE_UINT32(dest, pl080_channel),
+ VMSTATE_UINT32(lli, pl080_channel),
+ VMSTATE_UINT32(ctrl, pl080_channel),
+ VMSTATE_UINT32(conf, pl080_channel),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static const VMStateDescription vmstate_pl080 = {
+ .name = "pl080",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT8(tc_int, pl080_state),
+ VMSTATE_UINT8(tc_mask, pl080_state),
+ VMSTATE_UINT8(err_int, pl080_state),
+ VMSTATE_UINT8(err_mask, pl080_state),
+ VMSTATE_UINT32(conf, pl080_state),
+ VMSTATE_UINT32(sync, pl080_state),
+ VMSTATE_UINT32(req_single, pl080_state),
+ VMSTATE_UINT32(req_burst, pl080_state),
+ VMSTATE_UINT8(tc_int, pl080_state),
+ VMSTATE_UINT8(tc_int, pl080_state),
+ VMSTATE_UINT8(tc_int, pl080_state),
+ VMSTATE_STRUCT_ARRAY(chan, pl080_state, PL080_MAX_CHANNELS,
+ 1, vmstate_pl080_channel, pl080_channel),
+ VMSTATE_INT32(running, pl080_state),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
static const unsigned char pl080_id[] =
{ 0x80, 0x10, 0x04, 0x0a, 0x0d, 0xf0, 0x05, 0xb1 };
{
if ((s->tc_int & s->tc_mask)
|| (s->err_int & s->err_mask))
- pic_set_irq_new(s->pic, s->irq, 1);
+ qemu_irq_raise(s->irq);
else
- pic_set_irq_new(s->pic, s->irq, 1);
+ qemu_irq_lower(s->irq);
}
static void pl080_run(pl080_state *s)
int src_id;
int dest_id;
int size;
- char buff[4];
+ uint8_t buff[4];
uint32_t req;
s->tc_mask = 0;
if ((s->conf & PL080_CONF_E) == 0)
return;
-cpu_abort(cpu_single_env, "DMA active\n");
+hw_error("DMA active\n");
/* If we are already in the middle of a DMA operation then indicate that
there may be new DMA requests and return immediately. */
if (s->running) {
continue;
flow = (ch->conf >> 11) & 7;
if (flow >= 4) {
- cpu_abort(cpu_single_env,
+ hw_error(
"pl080_run: Peripheral flow control not implemented\n");
}
src_id = (ch->conf >> 1) & 0x1f;
if (size == 0) {
/* Transfer complete. */
if (ch->lli) {
- ch->src = ldl_phys(ch->lli);
- ch->dest = ldl_phys(ch->lli + 4);
- ch->ctrl = ldl_phys(ch->lli + 12);
- ch->lli = ldl_phys(ch->lli + 8);
+ ch->src = ldl_le_phys(ch->lli);
+ ch->dest = ldl_le_phys(ch->lli + 4);
+ ch->ctrl = ldl_le_phys(ch->lli + 12);
+ ch->lli = ldl_le_phys(ch->lli + 8);
} else {
ch->conf &= ~PL080_CCONF_E;
}
}
}
-static uint32_t pl080_read(void *opaque, target_phys_addr_t offset)
+static uint64_t pl080_read(void *opaque, target_phys_addr_t offset,
+ unsigned size)
{
pl080_state *s = (pl080_state *)opaque;
uint32_t i;
uint32_t mask;
- offset -= s->base;
if (offset >= 0xfe0 && offset < 0x1000) {
if (s->nchannels == 8) {
return pl080_id[(offset - 0xfe0) >> 2];
return s->sync;
default:
bad_offset:
- cpu_abort(cpu_single_env, "pl080_read: Bad offset %x\n", offset);
+ hw_error("pl080_read: Bad offset %x\n", (int)offset);
return 0;
}
}
static void pl080_write(void *opaque, target_phys_addr_t offset,
- uint32_t value)
+ uint64_t value, unsigned size)
{
pl080_state *s = (pl080_state *)opaque;
int i;
- offset -= s->base;
if (offset >= 0x100 && offset < 0x200) {
i = (offset & 0xe0) >> 5;
if (i >= s->nchannels)
case 10: /* SoftLBReq */
case 11: /* SoftLSReq */
/* ??? Implement these. */
- cpu_abort(cpu_single_env, "pl080_write: Soft DMA not implemented\n");
+ hw_error("pl080_write: Soft DMA not implemented\n");
break;
case 12: /* Configuration */
s->conf = value;
if (s->conf & (PL080_CONF_M1 | PL080_CONF_M1)) {
- cpu_abort(cpu_single_env,
- "pl080_write: Big-endian DMA not implemented\n");
+ hw_error("pl080_write: Big-endian DMA not implemented\n");
}
pl080_run(s);
break;
break;
default:
bad_offset:
- cpu_abort(cpu_single_env, "pl080_write: Bad offset %x\n", offset);
+ hw_error("pl080_write: Bad offset %x\n", (int)offset);
}
pl080_update(s);
}
-static CPUReadMemoryFunc *pl080_readfn[] = {
- pl080_read,
- pl080_read,
- pl080_read
+static const MemoryRegionOps pl080_ops = {
+ .read = pl080_read,
+ .write = pl080_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
+static int pl08x_init(SysBusDevice *dev, int nchannels)
+{
+ pl080_state *s = FROM_SYSBUS(pl080_state, dev);
+
+ memory_region_init_io(&s->iomem, &pl080_ops, s, "pl080", 0x1000);
+ sysbus_init_mmio(dev, &s->iomem);
+ sysbus_init_irq(dev, &s->irq);
+ s->nchannels = nchannels;
+ return 0;
+}
+
+static int pl080_init(SysBusDevice *dev)
+{
+ return pl08x_init(dev, 8);
+}
+
+static int pl081_init(SysBusDevice *dev)
+{
+ return pl08x_init(dev, 2);
+}
+
+static void pl080_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+
+ k->init = pl080_init;
+ dc->no_user = 1;
+ dc->vmsd = &vmstate_pl080;
+}
+
+static TypeInfo pl080_info = {
+ .name = "pl080",
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(pl080_state),
+ .class_init = pl080_class_init,
};
-static CPUWriteMemoryFunc *pl080_writefn[] = {
- pl080_write,
- pl080_write,
- pl080_write
+static void pl081_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+
+ k->init = pl081_init;
+ dc->no_user = 1;
+ dc->vmsd = &vmstate_pl080;
+}
+
+static TypeInfo pl081_info = {
+ .name = "pl081",
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(pl080_state),
+ .class_init = pl081_class_init,
};
/* The PL080 and PL081 are the same except for the number of channels
they implement (8 and 2 respectively). */
-void *pl080_init(uint32_t base, void *pic, int irq, int nchannels)
+static void pl080_register_types(void)
{
- int iomemtype;
- pl080_state *s;
-
- s = (pl080_state *)qemu_mallocz(sizeof(pl080_state));
- iomemtype = cpu_register_io_memory(0, pl080_readfn,
- pl080_writefn, s);
- cpu_register_physical_memory(base, 0x00000fff, iomemtype);
- s->base = base;
- s->pic = pic;
- s->irq = irq;
- s->nchannels = nchannels;
- /* ??? Save/restore. */
- return s;
+ type_register_static(&pl080_info);
+ type_register_static(&pl081_info);
}
+type_init(pl080_register_types)
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