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hw/arm/musca: Wire up PL031 RTC 

Wire up the PL031 RTC for the Musca board.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Peter Maydell 2019-02-21 18:17:47 +00:00
parent 33293e5049
commit 4db6a761a5
1 changed files with 23 additions and 3 deletions
hw/arm
musca.c

26
hw/arm/musca.c
View File

@ -30,6 +30,7 @@
#include "hw/misc/tz-mpc.h"
#include "hw/misc/tz-ppc.h"
#include "hw/misc/unimp.h"
#include "hw/timer/pl031.h"
#define MUSCA_NUMIRQ_MAX 96
#define MUSCA_PPC_MAX 3
@ -73,7 +74,7 @@ typedef struct {
UnimplementedDeviceState spi;
UnimplementedDeviceState scc;
UnimplementedDeviceState timer;
UnimplementedDeviceState rtc;
PL031State rtc;
UnimplementedDeviceState pvt;
UnimplementedDeviceState sdio;
UnimplementedDeviceState gpio;
@ -98,6 +99,14 @@ typedef struct {
*/
#define SYSCLK_FRQ 40000000
static qemu_irq get_sse_irq_in(MuscaMachineState *mms, int irqno)
{
/* Return a qemu_irq which will signal IRQ n to all CPUs in the SSE. */
assert(irqno < MUSCA_NUMIRQ_MAX);
return qdev_get_gpio_in(DEVICE(&mms->cpu_irq_splitter[irqno]), 0);
}
/*
* Most of the devices in the Musca board sit behind Peripheral Protection
* Controllers. These data structures define the layout of which devices
@ -265,6 +274,17 @@ static MemoryRegion *make_mpc(MuscaMachineState *mms, void *opaque,
return sysbus_mmio_get_region(SYS_BUS_DEVICE(mpc), 0);
}
static MemoryRegion *make_rtc(MuscaMachineState *mms, void *opaque,
const char *name, hwaddr size)
{
PL031State *rtc = opaque;
sysbus_init_child_obj(OBJECT(mms), name, rtc, sizeof(mms->rtc), TYPE_PL031);
object_property_set_bool(OBJECT(rtc), true, "realized", &error_fatal);
sysbus_connect_irq(SYS_BUS_DEVICE(rtc), 0, get_sse_irq_in(mms, 39));
return sysbus_mmio_get_region(SYS_BUS_DEVICE(rtc), 0);
}
static MemoryRegion *make_musca_a_devs(MuscaMachineState *mms, void *opaque,
const char *name, hwaddr size)
{
@ -287,7 +307,7 @@ static MemoryRegion *make_musca_a_devs(MuscaMachineState *mms, void *opaque,
{ "i2c1", make_unimp_dev, &mms->i2c[1], 0x5000, 0x1000 },
{ "i2s", make_unimp_dev, &mms->i2s, 0x6000, 0x1000 },
{ "pwm0", make_unimp_dev, &mms->pwm[0], 0x7000, 0x1000 },
{ "rtc", make_unimp_dev, &mms->rtc, 0x8000, 0x1000 },
{ "rtc", make_rtc, &mms->rtc, 0x8000, 0x1000 },
{ "qspi", make_unimp_dev, &mms->qspi, 0xa000, 0x1000 },
{ "timer", make_unimp_dev, &mms->timer, 0xb000, 0x1000 },
{ "scc", make_unimp_dev, &mms->scc, 0xc000, 0x1000 },
@ -447,7 +467,7 @@ static void musca_init(MachineState *machine)
{ "spi", make_unimp_dev, &mms->spi, 0x4010a000, 0x1000 },
{ "scc", make_unimp_dev, &mms->scc, 0x5010b000, 0x1000 },
{ "timer", make_unimp_dev, &mms->timer, 0x4010c000, 0x1000 },
{ "rtc", make_unimp_dev, &mms->rtc, 0x4010d000, 0x1000 },
{ "rtc", make_rtc, &mms->rtc, 0x4010d000, 0x1000 },
{ "pvt", make_unimp_dev, &mms->pvt, 0x4010e000, 0x1000 },
{ "sdio", make_unimp_dev, &mms->sdio, 0x4010f000, 0x1000 },
},