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hw/arm/mps2-tz: Create and connect ARMSSE Clocks 

Create and connect the two clocks needed by the ARMSSE.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Luc Michel <luc@lmichel.fr>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20210128114145.20536-15-peter.maydell@linaro.org
Message-id: 20210121190622.22000-15-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2021-01-28 11:41:34 +00:00
parent 640ec25807
commit dee1515bc3
1 changed files with 13 additions and 0 deletions
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13
hw/arm/mps2-tz.c
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@ -62,6 +62,7 @@
#include "hw/net/lan9118.h" #include "hw/net/lan9118.h"
#include "net/net.h" #include "net/net.h"
#include "hw/core/split-irq.h" #include "hw/core/split-irq.h"
#include "hw/qdev-clock.h"
#include "qom/object.h" #include "qom/object.h"
#define MPS2TZ_NUMIRQ 92 #define MPS2TZ_NUMIRQ 92
@ -100,6 +101,8 @@ struct MPS2TZMachineState {
qemu_or_irq uart_irq_orgate; qemu_or_irq uart_irq_orgate;
DeviceState *lan9118; DeviceState *lan9118;
SplitIRQ cpu_irq_splitter[MPS2TZ_NUMIRQ]; SplitIRQ cpu_irq_splitter[MPS2TZ_NUMIRQ];
Clock *sysclk;
Clock *s32kclk;
}; };
#define TYPE_MPS2TZ_MACHINE "mps2tz" #define TYPE_MPS2TZ_MACHINE "mps2tz"
@ -110,6 +113,8 @@ OBJECT_DECLARE_TYPE(MPS2TZMachineState, MPS2TZMachineClass, MPS2TZ_MACHINE)
/* Main SYSCLK frequency in Hz */ /* Main SYSCLK frequency in Hz */
#define SYSCLK_FRQ 20000000 #define SYSCLK_FRQ 20000000
/* Slow 32Khz S32KCLK frequency in Hz */
#define S32KCLK_FRQ (32 * 1000)
/* Create an alias of an entire original MemoryRegion @orig /* Create an alias of an entire original MemoryRegion @orig
* located at @base in the memory map. * located at @base in the memory map.
@ -396,6 +401,12 @@ static void mps2tz_common_init(MachineState *machine)
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
/* These clocks don't need migration because they are fixed-frequency */
mms->sysclk = clock_new(OBJECT(machine), "SYSCLK");
clock_set_hz(mms->sysclk, SYSCLK_FRQ);
mms->s32kclk = clock_new(OBJECT(machine), "S32KCLK");
clock_set_hz(mms->s32kclk, S32KCLK_FRQ);
object_initialize_child(OBJECT(machine), TYPE_IOTKIT, &mms->iotkit, object_initialize_child(OBJECT(machine), TYPE_IOTKIT, &mms->iotkit,
mmc->armsse_type); mmc->armsse_type);
iotkitdev = DEVICE(&mms->iotkit); iotkitdev = DEVICE(&mms->iotkit);
@ -403,6 +414,8 @@ static void mps2tz_common_init(MachineState *machine)
OBJECT(system_memory), &error_abort); OBJECT(system_memory), &error_abort);
qdev_prop_set_uint32(iotkitdev, "EXP_NUMIRQ", MPS2TZ_NUMIRQ); qdev_prop_set_uint32(iotkitdev, "EXP_NUMIRQ", MPS2TZ_NUMIRQ);
qdev_prop_set_uint32(iotkitdev, "MAINCLK_FRQ", SYSCLK_FRQ); qdev_prop_set_uint32(iotkitdev, "MAINCLK_FRQ", SYSCLK_FRQ);
qdev_connect_clock_in(iotkitdev, "MAINCLK", mms->sysclk);
qdev_connect_clock_in(iotkitdev, "S32KCLK", mms->s32kclk);
sysbus_realize(SYS_BUS_DEVICE(&mms->iotkit), &error_fatal); sysbus_realize(SYS_BUS_DEVICE(&mms->iotkit), &error_fatal);
/* /*