From: Peter Maydell <peter.maydell@linaro.org>
To: qemu-arm@nongnu.org, qemu-devel@nongnu.org
Cc: "Luc Michel" <luc@lmichel.fr>,
	"Philippe Mathieu-Daudé" <f4bug@amsat.org>
Subject: [PATCH v2 14/25] hw/arm/mps2-tz: Create and connect ARMSSE Clocks
Date: Thu, 28 Jan 2021 11:41:34 +0000	[thread overview]
Message-ID: <20210128114145.20536-15-peter.maydell@linaro.org> (raw)
In-Reply-To: <20210128114145.20536-1-peter.maydell@linaro.org>
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
next prev parent reply	other threads:[~2021-01-28 11:52 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-28 11:41 [PATCH v2 00/25] Convert CMSDK timer, watchdog, dualtimer to Clock framework Peter Maydell
2021-01-28 11:41 ` [PATCH v2 01/25] ptimer: Add new ptimer_set_period_from_clock() function Peter Maydell
2021-01-28 14:38   ` Philippe Mathieu-Daudé
2021-01-28 11:41 ` [PATCH v2 02/25] clock: Add new clock_has_source() function Peter Maydell
2021-01-28 11:41 ` [PATCH v2 03/25] tests: Add a simple test of the CMSDK APB timer Peter Maydell
2021-01-28 11:41 ` [PATCH v2 04/25] tests: Add a simple test of the CMSDK APB watchdog Peter Maydell
2021-01-28 11:41 ` [PATCH v2 05/25] tests: Add a simple test of the CMSDK APB dual timer Peter Maydell
2021-01-28 13:38   ` Philippe Mathieu-Daudé
2021-01-28 18:57   ` Luc Michel
2021-01-28 11:41 ` [PATCH v2 06/25] hw/timer/cmsdk-apb-timer: Rename CMSDKAPBTIMER struct to CMSDKAPBTimer Peter Maydell
2021-01-28 11:41 ` [PATCH v2 07/25] hw/timer/cmsdk-apb-timer: Add Clock input Peter Maydell
2021-01-28 11:41 ` [PATCH v2 08/25] hw/timer/cmsdk-apb-dualtimer: " Peter Maydell
2021-01-28 11:41 ` [PATCH v2 09/25] hw/watchdog/cmsdk-apb-watchdog: " Peter Maydell
2021-01-28 11:41 ` [PATCH v2 10/25] hw/arm/armsse: Rename "MAINCLK" property to "MAINCLK_FRQ" Peter Maydell
2021-01-28 11:41 ` [PATCH v2 11/25] hw/arm/armsse: Wire up clocks Peter Maydell
2021-01-28 11:41 ` [PATCH v2 12/25] hw/arm/mps2: Inline CMSDK_APB_TIMER creation Peter Maydell
2021-01-28 11:41 ` [PATCH v2 13/25] hw/arm/mps2: Create and connect SYSCLK Clock Peter Maydell
2021-01-28 11:41 ` Peter Maydell [this message]
2021-01-28 11:41 ` [PATCH v2 15/25] hw/arm/musca: Create and connect ARMSSE Clocks Peter Maydell
2021-01-28 11:41 ` [PATCH v2 16/25] hw/arm/stellaris: Convert SSYS to QOM device Peter Maydell
2021-01-28 11:41 ` [PATCH v2 17/25] hw/arm/stellaris: Create Clock input for watchdog Peter Maydell
2021-01-28 11:41 ` [PATCH v2 18/25] hw/timer/cmsdk-apb-timer: Convert to use Clock input Peter Maydell
2021-01-28 11:41 ` [PATCH v2 19/25] hw/timer/cmsdk-apb-dualtimer: " Peter Maydell
2021-01-28 11:41 ` [PATCH v2 20/25] hw/watchdog/cmsdk-apb-watchdog: " Peter Maydell
2021-01-28 11:41 ` [PATCH v2 21/25] tests/qtest/cmsdk-apb-watchdog-test: Test clock changes Peter Maydell
2021-01-28 11:41 ` [PATCH v2 22/25] hw/arm/armsse: Use Clock to set system_clock_scale Peter Maydell
2021-01-28 18:57   ` Luc Michel
2021-01-28 11:41 ` [PATCH v2 23/25] arm: Don't set freq properties on CMSDK timer, dualtimer, watchdog, ARMSSE Peter Maydell
2021-01-28 11:41 ` [PATCH v2 24/25] arm: Remove frq " Peter Maydell
2021-01-28 11:41 ` [PATCH v2 25/25] hw/arm/stellaris: Remove board-creation reset of STELLARIS_SYS Peter Maydell
2021-01-28 13:39 ` [PATCH v2 00/25] Convert CMSDK timer, watchdog, dualtimer to Clock framework Philippe Mathieu-Daudé
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