hw/intc: Remove omap2-intc device

Remove the OMAP2 specific code from omap_intc.c.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20240903160751.4100218-41-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2024-09-03 17:07:38 +01:00
parent aeaf7bb5aa
commit 7955b50ba1
1 changed files with 0 additions and 276 deletions

View File

@ -50,8 +50,6 @@ struct OMAPIntcState {
int level_only;
uint32_t size;
uint8_t revision;
/* state */
uint32_t new_agr[2];
int sir_intr[2];
@ -133,26 +131,6 @@ static void omap_set_intr(void *opaque, int irq, int req)
}
}
/* Simplified version with no edge detection */
static void omap_set_intr_noedge(void *opaque, int irq, int req)
{
OMAPIntcState *ih = opaque;
uint32_t rise;
struct omap_intr_handler_bank_s *bank = &ih->bank[irq >> 5];
int n = irq & 31;
if (req) {
rise = ~bank->inputs & (1 << n);
if (rise) {
bank->irqs |= bank->inputs |= rise;
omap_inth_update(ih, 0);
omap_inth_update(ih, 1);
}
} else
bank->irqs = (bank->inputs &= ~(1 << n)) | bank->swi;
}
static uint64_t omap_inth_read(void *opaque, hwaddr addr,
unsigned size)
{
@ -420,259 +398,6 @@ static const TypeInfo omap_intc_info = {
.class_init = omap_intc_class_init,
};
static uint64_t omap2_inth_read(void *opaque, hwaddr addr,
unsigned size)
{
OMAPIntcState *s = opaque;
int offset = addr;
int bank_no, line_no;
struct omap_intr_handler_bank_s *bank = NULL;
if ((offset & 0xf80) == 0x80) {
bank_no = (offset & 0x60) >> 5;
if (bank_no < s->nbanks) {
offset &= ~0x60;
bank = &s->bank[bank_no];
} else {
OMAP_BAD_REG(addr);
return 0;
}
}
switch (offset) {
case 0x00: /* INTC_REVISION */
return s->revision;
case 0x10: /* INTC_SYSCONFIG */
return (s->autoidle >> 2) & 1;
case 0x14: /* INTC_SYSSTATUS */
return 1; /* RESETDONE */
case 0x40: /* INTC_SIR_IRQ */
return s->sir_intr[0];
case 0x44: /* INTC_SIR_FIQ */
return s->sir_intr[1];
case 0x48: /* INTC_CONTROL */
return (!s->mask) << 2; /* GLOBALMASK */
case 0x4c: /* INTC_PROTECTION */
return 0;
case 0x50: /* INTC_IDLE */
return s->autoidle & 3;
/* Per-bank registers */
case 0x80: /* INTC_ITR */
return bank->inputs;
case 0x84: /* INTC_MIR */
return bank->mask;
case 0x88: /* INTC_MIR_CLEAR */
case 0x8c: /* INTC_MIR_SET */
return 0;
case 0x90: /* INTC_ISR_SET */
return bank->swi;
case 0x94: /* INTC_ISR_CLEAR */
return 0;
case 0x98: /* INTC_PENDING_IRQ */
return bank->irqs & ~bank->mask & ~bank->fiq;
case 0x9c: /* INTC_PENDING_FIQ */
return bank->irqs & ~bank->mask & bank->fiq;
/* Per-line registers */
case 0x100 ... 0x300: /* INTC_ILR */
bank_no = (offset - 0x100) >> 7;
if (bank_no > s->nbanks)
break;
bank = &s->bank[bank_no];
line_no = (offset & 0x7f) >> 2;
return (bank->priority[line_no] << 2) |
((bank->fiq >> line_no) & 1);
}
OMAP_BAD_REG(addr);
return 0;
}
static void omap2_inth_write(void *opaque, hwaddr addr,
uint64_t value, unsigned size)
{
OMAPIntcState *s = opaque;
int offset = addr;
int bank_no, line_no;
struct omap_intr_handler_bank_s *bank = NULL;
if ((offset & 0xf80) == 0x80) {
bank_no = (offset & 0x60) >> 5;
if (bank_no < s->nbanks) {
offset &= ~0x60;
bank = &s->bank[bank_no];
} else {
OMAP_BAD_REG(addr);
return;
}
}
switch (offset) {
case 0x10: /* INTC_SYSCONFIG */
s->autoidle &= 4;
s->autoidle |= (value & 1) << 2;
if (value & 2) { /* SOFTRESET */
omap_inth_reset(DEVICE(s));
}
return;
case 0x48: /* INTC_CONTROL */
s->mask = (value & 4) ? 0 : ~0; /* GLOBALMASK */
if (value & 2) { /* NEWFIQAGR */
qemu_set_irq(s->parent_intr[1], 0);
s->new_agr[1] = ~0;
omap_inth_update(s, 1);
}
if (value & 1) { /* NEWIRQAGR */
qemu_set_irq(s->parent_intr[0], 0);
s->new_agr[0] = ~0;
omap_inth_update(s, 0);
}
return;
case 0x4c: /* INTC_PROTECTION */
/* TODO: Make a bitmap (or sizeof(char)map) of access privileges
* for every register, see Chapter 3 and 4 for privileged mode. */
if (value & 1)
fprintf(stderr, "%s: protection mode enable attempt\n",
__func__);
return;
case 0x50: /* INTC_IDLE */
s->autoidle &= ~3;
s->autoidle |= value & 3;
return;
/* Per-bank registers */
case 0x84: /* INTC_MIR */
bank->mask = value;
omap_inth_update(s, 0);
omap_inth_update(s, 1);
return;
case 0x88: /* INTC_MIR_CLEAR */
bank->mask &= ~value;
omap_inth_update(s, 0);
omap_inth_update(s, 1);
return;
case 0x8c: /* INTC_MIR_SET */
bank->mask |= value;
return;
case 0x90: /* INTC_ISR_SET */
bank->irqs |= bank->swi |= value;
omap_inth_update(s, 0);
omap_inth_update(s, 1);
return;
case 0x94: /* INTC_ISR_CLEAR */
bank->swi &= ~value;
bank->irqs = bank->swi & bank->inputs;
return;
/* Per-line registers */
case 0x100 ... 0x300: /* INTC_ILR */
bank_no = (offset - 0x100) >> 7;
if (bank_no > s->nbanks)
break;
bank = &s->bank[bank_no];
line_no = (offset & 0x7f) >> 2;
bank->priority[line_no] = (value >> 2) & 0x3f;
bank->fiq &= ~(1 << line_no);
bank->fiq |= (value & 1) << line_no;
return;
case 0x00: /* INTC_REVISION */
case 0x14: /* INTC_SYSSTATUS */
case 0x40: /* INTC_SIR_IRQ */
case 0x44: /* INTC_SIR_FIQ */
case 0x80: /* INTC_ITR */
case 0x98: /* INTC_PENDING_IRQ */
case 0x9c: /* INTC_PENDING_FIQ */
OMAP_RO_REG(addr);
return;
}
OMAP_BAD_REG(addr);
}
static const MemoryRegionOps omap2_inth_mem_ops = {
.read = omap2_inth_read,
.write = omap2_inth_write,
.endianness = DEVICE_NATIVE_ENDIAN,
.valid = {
.min_access_size = 4,
.max_access_size = 4,
},
};
static void omap2_intc_init(Object *obj)
{
DeviceState *dev = DEVICE(obj);
OMAPIntcState *s = OMAP_INTC(obj);
SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
s->level_only = 1;
s->nbanks = 3;
sysbus_init_irq(sbd, &s->parent_intr[0]);
sysbus_init_irq(sbd, &s->parent_intr[1]);
qdev_init_gpio_in(dev, omap_set_intr_noedge, s->nbanks * 32);
memory_region_init_io(&s->mmio, obj, &omap2_inth_mem_ops, s,
"omap2-intc", 0x1000);
sysbus_init_mmio(sbd, &s->mmio);
}
static void omap2_intc_realize(DeviceState *dev, Error **errp)
{
OMAPIntcState *s = OMAP_INTC(dev);
if (!s->iclk) {
error_setg(errp, "omap2-intc: iclk not connected");
return;
}
if (!s->fclk) {
error_setg(errp, "omap2-intc: fclk not connected");
return;
}
}
static Property omap2_intc_properties[] = {
DEFINE_PROP_UINT8("revision", OMAPIntcState,
revision, 0x21),
DEFINE_PROP_END_OF_LIST(),
};
static void omap2_intc_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
device_class_set_legacy_reset(dc, omap_inth_reset);
device_class_set_props(dc, omap2_intc_properties);
/* Reason: pointer property "iclk", "fclk" */
dc->user_creatable = false;
dc->realize = omap2_intc_realize;
}
static const TypeInfo omap2_intc_info = {
.name = "omap2-intc",
.parent = TYPE_OMAP_INTC,
.instance_init = omap2_intc_init,
.class_init = omap2_intc_class_init,
};
static const TypeInfo omap_intc_type_info = {
.name = TYPE_OMAP_INTC,
.parent = TYPE_SYS_BUS_DEVICE,
@ -684,7 +409,6 @@ static void omap_intc_register_types(void)
{
type_register_static(&omap_intc_type_info);
type_register_static(&omap_intc_info);
type_register_static(&omap2_intc_info);
}
type_init(omap_intc_register_types)