diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2021-01-28 11:41:34 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-01-29 15:54:43 +0000 |
| commit | dee1515bc370b79e366ec8bb60868711d5699f55 (patch) | |
| tree | 74b37fbae104b7001d850861d39645475df03c19 | |
| parent | 640ec258079ada0c3cd25b6f792f0b265f68a424 (diff) | |
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
| -rw-r--r-- | hw/arm/mps2-tz.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/hw/arm/mps2-tz.c b/hw/arm/mps2-tz.c index 6a9eed9022..7acdf490f2 100644 --- a/hw/arm/mps2-tz.c +++ b/hw/arm/mps2-tz.c @@ -62,6 +62,7 @@ #include "hw/net/lan9118.h" #include "net/net.h" #include "hw/core/split-irq.h" +#include "hw/qdev-clock.h" #include "qom/object.h" #define MPS2TZ_NUMIRQ 92 @@ -100,6 +101,8 @@ struct MPS2TZMachineState { qemu_or_irq uart_irq_orgate; DeviceState *lan9118; SplitIRQ cpu_irq_splitter[MPS2TZ_NUMIRQ]; + Clock *sysclk; + Clock *s32kclk; }; #define TYPE_MPS2TZ_MACHINE "mps2tz" @@ -110,6 +113,8 @@ OBJECT_DECLARE_TYPE(MPS2TZMachineState, MPS2TZMachineClass, MPS2TZ_MACHINE) /* Main SYSCLK frequency in Hz */ #define SYSCLK_FRQ 20000000 +/* Slow 32Khz S32KCLK frequency in Hz */ +#define S32KCLK_FRQ (32 * 1000) /* Create an alias of an entire original MemoryRegion @orig * located at @base in the memory map. @@ -396,6 +401,12 @@ static void mps2tz_common_init(MachineState *machine) 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, mmc->armsse_type); iotkitdev = DEVICE(&mms->iotkit); @@ -403,6 +414,8 @@ static void mps2tz_common_init(MachineState *machine) OBJECT(system_memory), &error_abort); qdev_prop_set_uint32(iotkitdev, "EXP_NUMIRQ", MPS2TZ_NUMIRQ); 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); /* |