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-rw-r--r--hw/pl061.c336
1 files changed, 0 insertions, 336 deletions
diff --git a/hw/pl061.c b/hw/pl061.c
deleted file mode 100644
index a78e819..0000000
--- a/hw/pl061.c
+++ /dev/null
@@ -1,336 +0,0 @@
-/*
- * Arm PrimeCell PL061 General Purpose IO with additional
- * Luminary Micro Stellaris bits.
- *
- * Copyright (c) 2007 CodeSourcery.
- * Written by Paul Brook
- *
- * This code is licensed under the GPL.
- */
-
-#include "sysbus.h"
-
-//#define DEBUG_PL061 1
-
-#ifdef DEBUG_PL061
-#define DPRINTF(fmt, ...) \
-do { printf("pl061: " fmt , ## __VA_ARGS__); } while (0)
-#define BADF(fmt, ...) \
-do { fprintf(stderr, "pl061: error: " fmt , ## __VA_ARGS__); exit(1);} while (0)
-#else
-#define DPRINTF(fmt, ...) do {} while(0)
-#define BADF(fmt, ...) \
-do { fprintf(stderr, "pl061: error: " fmt , ## __VA_ARGS__);} while (0)
-#endif
-
-static const uint8_t pl061_id[12] =
- { 0x00, 0x00, 0x00, 0x00, 0x61, 0x10, 0x04, 0x00, 0x0d, 0xf0, 0x05, 0xb1 };
-static const uint8_t pl061_id_luminary[12] =
- { 0x00, 0x00, 0x00, 0x00, 0x61, 0x00, 0x18, 0x01, 0x0d, 0xf0, 0x05, 0xb1 };
-
-typedef struct {
- SysBusDevice busdev;
- MemoryRegion iomem;
- uint32_t locked;
- uint32_t data;
- uint32_t old_data;
- uint32_t dir;
- uint32_t isense;
- uint32_t ibe;
- uint32_t iev;
- uint32_t im;
- uint32_t istate;
- uint32_t afsel;
- uint32_t dr2r;
- uint32_t dr4r;
- uint32_t dr8r;
- uint32_t odr;
- uint32_t pur;
- uint32_t pdr;
- uint32_t slr;
- uint32_t den;
- uint32_t cr;
- uint32_t float_high;
- uint32_t amsel;
- qemu_irq irq;
- qemu_irq out[8];
- const unsigned char *id;
-} pl061_state;
-
-static const VMStateDescription vmstate_pl061 = {
- .name = "pl061",
- .version_id = 2,
- .minimum_version_id = 1,
- .fields = (VMStateField[]) {
- VMSTATE_UINT32(locked, pl061_state),
- VMSTATE_UINT32(data, pl061_state),
- VMSTATE_UINT32(old_data, pl061_state),
- VMSTATE_UINT32(dir, pl061_state),
- VMSTATE_UINT32(isense, pl061_state),
- VMSTATE_UINT32(ibe, pl061_state),
- VMSTATE_UINT32(iev, pl061_state),
- VMSTATE_UINT32(im, pl061_state),
- VMSTATE_UINT32(istate, pl061_state),
- VMSTATE_UINT32(afsel, pl061_state),
- VMSTATE_UINT32(dr2r, pl061_state),
- VMSTATE_UINT32(dr4r, pl061_state),
- VMSTATE_UINT32(dr8r, pl061_state),
- VMSTATE_UINT32(odr, pl061_state),
- VMSTATE_UINT32(pur, pl061_state),
- VMSTATE_UINT32(pdr, pl061_state),
- VMSTATE_UINT32(slr, pl061_state),
- VMSTATE_UINT32(den, pl061_state),
- VMSTATE_UINT32(cr, pl061_state),
- VMSTATE_UINT32(float_high, pl061_state),
- VMSTATE_UINT32_V(amsel, pl061_state, 2),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static void pl061_update(pl061_state *s)
-{
- uint8_t changed;
- uint8_t mask;
- uint8_t out;
- int i;
-
- /* Outputs float high. */
- /* FIXME: This is board dependent. */
- out = (s->data & s->dir) | ~s->dir;
- changed = s->old_data ^ out;
- if (!changed)
- return;
-
- s->old_data = out;
- for (i = 0; i < 8; i++) {
- mask = 1 << i;
- if (changed & mask) {
- DPRINTF("Set output %d = %d\n", i, (out & mask) != 0);
- qemu_set_irq(s->out[i], (out & mask) != 0);
- }
- }
-
- /* FIXME: Implement input interrupts. */
-}
-
-static uint64_t pl061_read(void *opaque, hwaddr offset,
- unsigned size)
-{
- pl061_state *s = (pl061_state *)opaque;
-
- if (offset >= 0xfd0 && offset < 0x1000) {
- return s->id[(offset - 0xfd0) >> 2];
- }
- if (offset < 0x400) {
- return s->data & (offset >> 2);
- }
- switch (offset) {
- case 0x400: /* Direction */
- return s->dir;
- case 0x404: /* Interrupt sense */
- return s->isense;
- case 0x408: /* Interrupt both edges */
- return s->ibe;
- case 0x40c: /* Interrupt event */
- return s->iev;
- case 0x410: /* Interrupt mask */
- return s->im;
- case 0x414: /* Raw interrupt status */
- return s->istate;
- case 0x418: /* Masked interrupt status */
- return s->istate | s->im;
- case 0x420: /* Alternate function select */
- return s->afsel;
- case 0x500: /* 2mA drive */
- return s->dr2r;
- case 0x504: /* 4mA drive */
- return s->dr4r;
- case 0x508: /* 8mA drive */
- return s->dr8r;
- case 0x50c: /* Open drain */
- return s->odr;
- case 0x510: /* Pull-up */
- return s->pur;
- case 0x514: /* Pull-down */
- return s->pdr;
- case 0x518: /* Slew rate control */
- return s->slr;
- case 0x51c: /* Digital enable */
- return s->den;
- case 0x520: /* Lock */
- return s->locked;
- case 0x524: /* Commit */
- return s->cr;
- case 0x528: /* Analog mode select */
- return s->amsel;
- default:
- qemu_log_mask(LOG_GUEST_ERROR,
- "pl061_read: Bad offset %x\n", (int)offset);
- return 0;
- }
-}
-
-static void pl061_write(void *opaque, hwaddr offset,
- uint64_t value, unsigned size)
-{
- pl061_state *s = (pl061_state *)opaque;
- uint8_t mask;
-
- if (offset < 0x400) {
- mask = (offset >> 2) & s->dir;
- s->data = (s->data & ~mask) | (value & mask);
- pl061_update(s);
- return;
- }
- switch (offset) {
- case 0x400: /* Direction */
- s->dir = value & 0xff;
- break;
- case 0x404: /* Interrupt sense */
- s->isense = value & 0xff;
- break;
- case 0x408: /* Interrupt both edges */
- s->ibe = value & 0xff;
- break;
- case 0x40c: /* Interrupt event */
- s->iev = value & 0xff;
- break;
- case 0x410: /* Interrupt mask */
- s->im = value & 0xff;
- break;
- case 0x41c: /* Interrupt clear */
- s->istate &= ~value;
- break;
- case 0x420: /* Alternate function select */
- mask = s->cr;
- s->afsel = (s->afsel & ~mask) | (value & mask);
- break;
- case 0x500: /* 2mA drive */
- s->dr2r = value & 0xff;
- break;
- case 0x504: /* 4mA drive */
- s->dr4r = value & 0xff;
- break;
- case 0x508: /* 8mA drive */
- s->dr8r = value & 0xff;
- break;
- case 0x50c: /* Open drain */
- s->odr = value & 0xff;
- break;
- case 0x510: /* Pull-up */
- s->pur = value & 0xff;
- break;
- case 0x514: /* Pull-down */
- s->pdr = value & 0xff;
- break;
- case 0x518: /* Slew rate control */
- s->slr = value & 0xff;
- break;
- case 0x51c: /* Digital enable */
- s->den = value & 0xff;
- break;
- case 0x520: /* Lock */
- s->locked = (value != 0xacce551);
- break;
- case 0x524: /* Commit */
- if (!s->locked)
- s->cr = value & 0xff;
- break;
- case 0x528:
- s->amsel = value & 0xff;
- break;
- default:
- qemu_log_mask(LOG_GUEST_ERROR,
- "pl061_write: Bad offset %x\n", (int)offset);
- }
- pl061_update(s);
-}
-
-static void pl061_reset(pl061_state *s)
-{
- s->locked = 1;
- s->cr = 0xff;
-}
-
-static void pl061_set_irq(void * opaque, int irq, int level)
-{
- pl061_state *s = (pl061_state *)opaque;
- uint8_t mask;
-
- mask = 1 << irq;
- if ((s->dir & mask) == 0) {
- s->data &= ~mask;
- if (level)
- s->data |= mask;
- pl061_update(s);
- }
-}
-
-static const MemoryRegionOps pl061_ops = {
- .read = pl061_read,
- .write = pl061_write,
- .endianness = DEVICE_NATIVE_ENDIAN,
-};
-
-static int pl061_init(SysBusDevice *dev, const unsigned char *id)
-{
- pl061_state *s = FROM_SYSBUS(pl061_state, dev);
- s->id = id;
- memory_region_init_io(&s->iomem, &pl061_ops, s, "pl061", 0x1000);
- sysbus_init_mmio(dev, &s->iomem);
- sysbus_init_irq(dev, &s->irq);
- qdev_init_gpio_in(&dev->qdev, pl061_set_irq, 8);
- qdev_init_gpio_out(&dev->qdev, s->out, 8);
- pl061_reset(s);
- return 0;
-}
-
-static int pl061_init_luminary(SysBusDevice *dev)
-{
- return pl061_init(dev, pl061_id_luminary);
-}
-
-static int pl061_init_arm(SysBusDevice *dev)
-{
- return pl061_init(dev, pl061_id);
-}
-
-static void pl061_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
-
- k->init = pl061_init_arm;
- dc->vmsd = &vmstate_pl061;
-}
-
-static const TypeInfo pl061_info = {
- .name = "pl061",
- .parent = TYPE_SYS_BUS_DEVICE,
- .instance_size = sizeof(pl061_state),
- .class_init = pl061_class_init,
-};
-
-static void pl061_luminary_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
-
- k->init = pl061_init_luminary;
- dc->vmsd = &vmstate_pl061;
-}
-
-static const TypeInfo pl061_luminary_info = {
- .name = "pl061_luminary",
- .parent = TYPE_SYS_BUS_DEVICE,
- .instance_size = sizeof(pl061_state),
- .class_init = pl061_luminary_class_init,
-};
-
-static void pl061_register_types(void)
-{
- type_register_static(&pl061_info);
- type_register_static(&pl061_luminary_info);
-}
-
-type_init(pl061_register_types)
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-07 01:21:08 +0000