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-rw-r--r--hw/puv3_ost.c151
1 files changed, 0 insertions, 151 deletions
diff --git a/hw/puv3_ost.c b/hw/puv3_ost.c
deleted file mode 100644
index 10a522adbb..0000000000
--- a/hw/puv3_ost.c
+++ /dev/null
@@ -1,151 +0,0 @@
-/*
- * OSTimer device simulation in PKUnity SoC
- *
- * Copyright (C) 2010-2012 Guan Xuetao
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation, or any later version.
- * See the COPYING file in the top-level directory.
- */
-#include "hw/sysbus.h"
-#include "hw/ptimer.h"
-
-#undef DEBUG_PUV3
-#include "hw/puv3.h"
-
-/* puv3 ostimer implementation. */
-typedef struct {
- SysBusDevice busdev;
- MemoryRegion iomem;
- QEMUBH *bh;
- qemu_irq irq;
- ptimer_state *ptimer;
-
- uint32_t reg_OSMR0;
- uint32_t reg_OSCR;
- uint32_t reg_OSSR;
- uint32_t reg_OIER;
-} PUV3OSTState;
-
-static uint64_t puv3_ost_read(void *opaque, hwaddr offset,
- unsigned size)
-{
- PUV3OSTState *s = opaque;
- uint32_t ret = 0;
-
- switch (offset) {
- case 0x10: /* Counter Register */
- ret = s->reg_OSMR0 - (uint32_t)ptimer_get_count(s->ptimer);
- break;
- case 0x14: /* Status Register */
- ret = s->reg_OSSR;
- break;
- case 0x1c: /* Interrupt Enable Register */
- ret = s->reg_OIER;
- break;
- default:
- DPRINTF("Bad offset %x\n", (int)offset);
- }
- DPRINTF("offset 0x%x, value 0x%x\n", offset, ret);
- return ret;
-}
-
-static void puv3_ost_write(void *opaque, hwaddr offset,
- uint64_t value, unsigned size)
-{
- PUV3OSTState *s = opaque;
-
- DPRINTF("offset 0x%x, value 0x%x\n", offset, value);
- switch (offset) {
- case 0x00: /* Match Register 0 */
- s->reg_OSMR0 = value;
- if (s->reg_OSMR0 > s->reg_OSCR) {
- ptimer_set_count(s->ptimer, s->reg_OSMR0 - s->reg_OSCR);
- } else {
- ptimer_set_count(s->ptimer, s->reg_OSMR0 +
- (0xffffffff - s->reg_OSCR));
- }
- ptimer_run(s->ptimer, 2);
- break;
- case 0x14: /* Status Register */
- assert(value == 0);
- if (s->reg_OSSR) {
- s->reg_OSSR = value;
- qemu_irq_lower(s->irq);
- }
- break;
- case 0x1c: /* Interrupt Enable Register */
- s->reg_OIER = value;
- break;
- default:
- DPRINTF("Bad offset %x\n", (int)offset);
- }
-}
-
-static const MemoryRegionOps puv3_ost_ops = {
- .read = puv3_ost_read,
- .write = puv3_ost_write,
- .impl = {
- .min_access_size = 4,
- .max_access_size = 4,
- },
- .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static void puv3_ost_tick(void *opaque)
-{
- PUV3OSTState *s = opaque;
-
- DPRINTF("ost hit when ptimer counter from 0x%x to 0x%x!\n",
- s->reg_OSCR, s->reg_OSMR0);
-
- s->reg_OSCR = s->reg_OSMR0;
- if (s->reg_OIER) {
- s->reg_OSSR = 1;
- qemu_irq_raise(s->irq);
- }
-}
-
-static int puv3_ost_init(SysBusDevice *dev)
-{
- PUV3OSTState *s = FROM_SYSBUS(PUV3OSTState, dev);
-
- s->reg_OIER = 0;
- s->reg_OSSR = 0;
- s->reg_OSMR0 = 0;
- s->reg_OSCR = 0;
-
- sysbus_init_irq(dev, &s->irq);
-
- s->bh = qemu_bh_new(puv3_ost_tick, s);
- s->ptimer = ptimer_init(s->bh);
- ptimer_set_freq(s->ptimer, 50 * 1000 * 1000);
-
- memory_region_init_io(&s->iomem, &puv3_ost_ops, s, "puv3_ost",
- PUV3_REGS_OFFSET);
- sysbus_init_mmio(dev, &s->iomem);
-
- return 0;
-}
-
-static void puv3_ost_class_init(ObjectClass *klass, void *data)
-{
- SysBusDeviceClass *sdc = SYS_BUS_DEVICE_CLASS(klass);
-
- sdc->init = puv3_ost_init;
-}
-
-static const TypeInfo puv3_ost_info = {
- .name = "puv3_ost",
- .parent = TYPE_SYS_BUS_DEVICE,
- .instance_size = sizeof(PUV3OSTState),
- .class_init = puv3_ost_class_init,
-};
-
-static void puv3_ost_register_type(void)
-{
- type_register_static(&puv3_ost_info);
-}
-
-type_init(puv3_ost_register_type)