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[PATCH v2 14/25] hw/arm/mps2-tz: Create and connect ARMSSE Clocks
From: |
Peter Maydell |
Subject: |
[PATCH v2 14/25] hw/arm/mps2-tz: Create and connect ARMSSE Clocks |
Date: |
Thu, 28 Jan 2021 11:41:34 +0000 |
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>
Message-id: 20210121190622.22000-15-peter.maydell@linaro.org
---
hw/arm/mps2-tz.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/hw/arm/mps2-tz.c b/hw/arm/mps2-tz.c
index 6a9eed9022a..7acdf490f28 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);
/*
--
2.20.1
- [PATCH v2 08/25] hw/timer/cmsdk-apb-dualtimer: Add Clock input, (continued)
- [PATCH v2 08/25] hw/timer/cmsdk-apb-dualtimer: Add Clock input, Peter Maydell, 2021/01/28
- [PATCH v2 10/25] hw/arm/armsse: Rename "MAINCLK" property to "MAINCLK_FRQ", Peter Maydell, 2021/01/28
- [PATCH v2 09/25] hw/watchdog/cmsdk-apb-watchdog: Add Clock input, Peter Maydell, 2021/01/28
- [PATCH v2 11/25] hw/arm/armsse: Wire up clocks, Peter Maydell, 2021/01/28
- [PATCH v2 13/25] hw/arm/mps2: Create and connect SYSCLK Clock, Peter Maydell, 2021/01/28
- [PATCH v2 12/25] hw/arm/mps2: Inline CMSDK_APB_TIMER creation, Peter Maydell, 2021/01/28
- [PATCH v2 16/25] hw/arm/stellaris: Convert SSYS to QOM device, Peter Maydell, 2021/01/28
- [PATCH v2 18/25] hw/timer/cmsdk-apb-timer: Convert to use Clock input, Peter Maydell, 2021/01/28
- [PATCH v2 19/25] hw/timer/cmsdk-apb-dualtimer: Convert to use Clock input, Peter Maydell, 2021/01/28
- [PATCH v2 15/25] hw/arm/musca: Create and connect ARMSSE Clocks, Peter Maydell, 2021/01/28
- [PATCH v2 14/25] hw/arm/mps2-tz: Create and connect ARMSSE Clocks,
Peter Maydell <=
- [PATCH v2 17/25] hw/arm/stellaris: Create Clock input for watchdog, Peter Maydell, 2021/01/28
- [PATCH v2 20/25] hw/watchdog/cmsdk-apb-watchdog: Convert to use Clock input, Peter Maydell, 2021/01/28
- [PATCH v2 22/25] hw/arm/armsse: Use Clock to set system_clock_scale, Peter Maydell, 2021/01/28
- [PATCH v2 21/25] tests/qtest/cmsdk-apb-watchdog-test: Test clock changes, Peter Maydell, 2021/01/28
- [PATCH v2 23/25] arm: Don't set freq properties on CMSDK timer, dualtimer, watchdog, ARMSSE, Peter Maydell, 2021/01/28
- [PATCH v2 24/25] arm: Remove frq properties on CMSDK timer, dualtimer, watchdog, ARMSSE, Peter Maydell, 2021/01/28
- [PATCH v2 25/25] hw/arm/stellaris: Remove board-creation reset of STELLARIS_SYS, Peter Maydell, 2021/01/28
- Re: [PATCH v2 00/25] Convert CMSDK timer, watchdog, dualtimer to Clock framework, Philippe Mathieu-Daudé, 2021/01/28