Fixes quite a few stack traces during the Linux boot process. Also provides the
clocks for devices added later, e.g. enet1.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
---
MAINTAINERS | 2 +
docs/system/arm/imx8mp-evk.rst | 1 +
include/hw/arm/fsl-imx8mp.h | 4 +
include/hw/misc/imx8mp_analog.h | 81 +++++++++++++++
include/hw/misc/imx8mp_ccm.h | 30 ++++++
hw/arm/fsl-imx8mp.c | 20 ++++
hw/misc/imx8mp_analog.c | 160 +++++++++++++++++++++++++++++
hw/misc/imx8mp_ccm.c | 175 ++++++++++++++++++++++++++++++++
hw/arm/Kconfig | 2 +
hw/misc/Kconfig | 6 ++
hw/misc/meson.build | 2 +
11 files changed, 483 insertions(+)
create mode 100644 include/hw/misc/imx8mp_analog.h
create mode 100644 include/hw/misc/imx8mp_ccm.h
create mode 100644 hw/misc/imx8mp_analog.c
create mode 100644 hw/misc/imx8mp_ccm.c
diff --git a/MAINTAINERS b/MAINTAINERS
index 8db59114bc..5b5b0d0bed 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -826,7 +826,9 @@ L: qemu-arm@nongnu.org
S: Maintained
F: hw/arm/imx8mp-evk.c
F: hw/arm/fsl-imx8mp.c
+F: hw/misc/imx8mp_*.c
F: include/hw/arm/fsl-imx8mp.h
+F: include/hw/misc/imx8mp_*.h
F: docs/system/arm/imx8mp-evk.rst
MPS2 / MPS3
diff --git a/docs/system/arm/imx8mp-evk.rst b/docs/system/arm/imx8mp-evk.rst
index a9c1fab390..e5039fc8c4 100644
--- a/docs/system/arm/imx8mp-evk.rst
+++ b/docs/system/arm/imx8mp-evk.rst
@@ -13,6 +13,7 @@ The ``imx8mp-evk`` machine implements the following devices:
* Up to 4 Cortex-A53 Cores
* Generic Interrupt Controller (GICv3)
* 4 UARTs
+ * Clock Tree
Boot options
------------
diff --git a/include/hw/arm/fsl-imx8mp.h b/include/hw/arm/fsl-imx8mp.h
index 57e23d1b69..ce5188e7f2 100644
--- a/include/hw/arm/fsl-imx8mp.h
+++ b/include/hw/arm/fsl-imx8mp.h
@@ -12,6 +12,8 @@
#include "cpu.h"
#include "hw/char/imx_serial.h"
#include "hw/intc/arm_gicv3_common.h"
+#include "hw/misc/imx8mp_analog.h"
+#include "hw/misc/imx8mp_ccm.h"
#include "qom/object.h"
#include "qemu/units.h"
@@ -32,6 +34,8 @@ struct FslImx8mpState {
ARMCPU cpu[FSL_IMX8MP_NUM_CPUS];
GICv3State gic;
+ IMX8MPCCMState ccm;
+ IMX8MPAnalogState analog;
IMXSerialState uart[FSL_IMX8MP_NUM_UARTS];
};
diff --git a/include/hw/misc/imx8mp_analog.h b/include/hw/misc/imx8mp_analog.h
new file mode 100644
index 0000000000..955f03215a
--- /dev/null
+++ b/include/hw/misc/imx8mp_analog.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2025 Bernhard Beschow <shentey@gmail.com>
+ *
+ * i.MX8MP ANALOG IP block emulation code
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef IMX8MP_ANALOG_H
+#define IMX8MP_ANALOG_H
+
+#include "qom/object.h"
+#include "hw/sysbus.h"
+
+enum IMX8MPAnalogRegisters {
+ ANALOG_AUDIO_PLL1_GEN_CTRL = 0x000 / 4,
+ ANALOG_AUDIO_PLL1_FDIV_CTL0 = 0x004 / 4,
+ ANALOG_AUDIO_PLL1_FDIV_CTL1 = 0x008 / 4,
+ ANALOG_AUDIO_PLL1_SSCG_CTRL = 0x00c / 4,
+ ANALOG_AUDIO_PLL1_MNIT_CTRL = 0x010 / 4,
+ ANALOG_AUDIO_PLL2_GEN_CTRL = 0x014 / 4,
+ ANALOG_AUDIO_PLL2_FDIV_CTL0 = 0x018 / 4,
+ ANALOG_AUDIO_PLL2_FDIV_CTL1 = 0x01c / 4,
+ ANALOG_AUDIO_PLL2_SSCG_CTRL = 0x020 / 4,
+ ANALOG_AUDIO_PLL2_MNIT_CTRL = 0x024 / 4,
+ ANALOG_VIDEO_PLL1_GEN_CTRL = 0x028 / 4,
+ ANALOG_VIDEO_PLL1_FDIV_CTL0 = 0x02c / 4,
+ ANALOG_VIDEO_PLL1_FDIV_CTL1 = 0x030 / 4,
+ ANALOG_VIDEO_PLL1_SSCG_CTRL = 0x034 / 4,
+ ANALOG_VIDEO_PLL1_MNIT_CTRL = 0x038 / 4,
+ ANALOG_DRAM_PLL_GEN_CTRL = 0x050 / 4,
+ ANALOG_DRAM_PLL_FDIV_CTL0 = 0x054 / 4,
+ ANALOG_DRAM_PLL_FDIV_CTL1 = 0x058 / 4,
+ ANALOG_DRAM_PLL_SSCG_CTRL = 0x05c / 4,
+ ANALOG_DRAM_PLL_MNIT_CTRL = 0x060 / 4,
+ ANALOG_GPU_PLL_GEN_CTRL = 0x064 / 4,
+ ANALOG_GPU_PLL_FDIV_CTL0 = 0x068 / 4,
+ ANALOG_GPU_PLL_LOCKD_CTRL = 0x06c / 4,
+ ANALOG_GPU_PLL_MNIT_CTRL = 0x070 / 4,
+ ANALOG_VPU_PLL_GEN_CTRL = 0x074 / 4,
+ ANALOG_VPU_PLL_FDIV_CTL0 = 0x078 / 4,
+ ANALOG_VPU_PLL_LOCKD_CTRL = 0x07c / 4,
+ ANALOG_VPU_PLL_MNIT_CTRL = 0x080 / 4,
+ ANALOG_ARM_PLL_GEN_CTRL = 0x084 / 4,
+ ANALOG_ARM_PLL_FDIV_CTL0 = 0x088 / 4,
+ ANALOG_ARM_PLL_LOCKD_CTRL = 0x08c / 4,
+ ANALOG_ARM_PLL_MNIT_CTRL = 0x090 / 4,
+ ANALOG_SYS_PLL1_GEN_CTRL = 0x094 / 4,
+ ANALOG_SYS_PLL1_FDIV_CTL0 = 0x098 / 4,
+ ANALOG_SYS_PLL1_LOCKD_CTRL = 0x09c / 4,
+ ANALOG_SYS_PLL1_MNIT_CTRL = 0x100 / 4,
+ ANALOG_SYS_PLL2_GEN_CTRL = 0x104 / 4,
+ ANALOG_SYS_PLL2_FDIV_CTL0 = 0x108 / 4,
+ ANALOG_SYS_PLL2_LOCKD_CTRL = 0x10c / 4,
+ ANALOG_SYS_PLL2_MNIT_CTRL = 0x110 / 4,
+ ANALOG_SYS_PLL3_GEN_CTRL = 0x114 / 4,
+ ANALOG_SYS_PLL3_FDIV_CTL0 = 0x118 / 4,
+ ANALOG_SYS_PLL3_LOCKD_CTRL = 0x11c / 4,
+ ANALOG_SYS_PLL3_MNIT_CTRL = 0x120 / 4,
+ ANALOG_OSC_MISC_CFG = 0x124 / 4,
+ ANALOG_ANAMIX_PLL_MNIT_CTL = 0x128 / 4,
+
+ ANALOG_DIGPROG = 0x800 / 4,
+ ANALOG_MAX,
+};
+
+#define TYPE_IMX8MP_ANALOG "imx8mp.analog"
+OBJECT_DECLARE_SIMPLE_TYPE(IMX8MPAnalogState, IMX8MP_ANALOG)
+
+struct IMX8MPAnalogState {
+ SysBusDevice parent_obj;
+
+ struct {
+ MemoryRegion container;
+ MemoryRegion analog;
+ } mmio;
+
+ uint32_t analog[ANALOG_MAX];
+};
+
+#endif /* IMX8MP_ANALOG_H */
diff --git a/include/hw/misc/imx8mp_ccm.h b/include/hw/misc/imx8mp_ccm.h
new file mode 100644
index 0000000000..685c8582ff
--- /dev/null
+++ b/include/hw/misc/imx8mp_ccm.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2025 Bernhard Beschow <shentey@gmail.com>
+ *
+ * i.MX 8M Plus CCM IP block emulation code
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef IMX8MP_CCM_H
+#define IMX8MP_CCM_H
+
+#include "hw/misc/imx_ccm.h"
+#include "qom/object.h"
+
+enum IMX8MPCCMRegisters {
+ CCM_MAX = 0xc6fc / sizeof(uint32_t) + 1,
+};
+
+#define TYPE_IMX8MP_CCM "imx8mp.ccm"
+OBJECT_DECLARE_SIMPLE_TYPE(IMX8MPCCMState, IMX8MP_CCM)
+
+struct IMX8MPCCMState {
+ IMXCCMState parent_obj;
+
+ MemoryRegion iomem;
+
+ uint32_t ccm[CCM_MAX];
+};
+
+#endif /* IMX8MP_CCM_H */
diff --git a/hw/arm/fsl-imx8mp.c b/hw/arm/fsl-imx8mp.c
index 0836d82ca0..a1a8843b3b 100644
--- a/hw/arm/fsl-imx8mp.c
+++ b/hw/arm/fsl-imx8mp.c
@@ -200,6 +200,10 @@ static void fsl_imx8mp_init(Object *obj)
object_initialize_child(obj, "gic", &s->gic, TYPE_ARM_GICV3);
+ object_initialize_child(obj, "ccm", &s->ccm, TYPE_IMX8MP_CCM);
+
+ object_initialize_child(obj, "analog", &s->analog, TYPE_IMX8MP_ANALOG);
+
for (i = 0; i < FSL_IMX8MP_NUM_UARTS; i++) {
snprintf(name, NAME_SIZE, "uart%d", i + 1);
object_initialize_child(obj, name, &s->uart[i], TYPE_IMX_SERIAL);
@@ -308,6 +312,20 @@ static void fsl_imx8mp_realize(DeviceState *dev, Error **errp)
}
}
+ /* CCM */
+ if (!sysbus_realize(SYS_BUS_DEVICE(&s->ccm), errp)) {
+ return;
+ }
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->ccm), 0,
+ fsl_imx8mp_memmap[FSL_IMX8MP_CCM].addr);
+
+ /* Analog */
+ if (!sysbus_realize(SYS_BUS_DEVICE(&s->analog), errp)) {
+ return;
+ }
+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->analog), 0,
+ fsl_imx8mp_memmap[FSL_IMX8MP_ANA_PLL].addr);
+
/* UARTs */
for (i = 0; i < FSL_IMX8MP_NUM_UARTS; i++) {
static const struct {
@@ -333,6 +351,8 @@ static void fsl_imx8mp_realize(DeviceState *dev, Error **errp)
/* Unimplemented devices */
for (i = 0; i < ARRAY_SIZE(fsl_imx8mp_memmap); i++) {
switch (i) {
+ case FSL_IMX8MP_ANA_PLL:
+ case FSL_IMX8MP_CCM:
case FSL_IMX8MP_GIC_DIST:
case FSL_IMX8MP_GIC_REDIST:
case FSL_IMX8MP_RAM:
diff --git a/hw/misc/imx8mp_analog.c b/hw/misc/imx8mp_analog.c
new file mode 100644
index 0000000000..71333b3e9e
--- /dev/null
+++ b/hw/misc/imx8mp_analog.c
@@ -0,0 +1,160 @@
+/*
+ * Copyright (c) 2025 Bernhard Beschow <shentey@gmail.com>
+ *
+ * i.MX 8M Plus ANALOG IP block emulation code
+ *
+ * Based on hw/misc/imx7_ccm.c
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/log.h"
+
+#include "hw/misc/imx8mp_analog.h"
+#include "migration/vmstate.h"
+
+#define ANALOG_PLL_LOCK BIT(31)
+
+static void imx8mp_analog_reset(DeviceState *dev)
+{
+ IMX8MPAnalogState *s = IMX8MP_ANALOG(dev);
+
+ memset(s->analog, 0, sizeof(s->analog));
+
+ s->analog[ANALOG_AUDIO_PLL1_GEN_CTRL] = 0x00002010;
+ s->analog[ANALOG_AUDIO_PLL1_FDIV_CTL0] = 0x00145032;
+ s->analog[ANALOG_AUDIO_PLL1_FDIV_CTL1] = 0x00000000;
+ s->analog[ANALOG_AUDIO_PLL1_SSCG_CTRL] = 0x00000000;
+ s->analog[ANALOG_AUDIO_PLL1_MNIT_CTRL] = 0x00100103;
+ s->analog[ANALOG_AUDIO_PLL2_GEN_CTRL] = 0x00002010;
+ s->analog[ANALOG_AUDIO_PLL2_FDIV_CTL0] = 0x00145032;
+ s->analog[ANALOG_AUDIO_PLL2_FDIV_CTL1] = 0x00000000;
+ s->analog[ANALOG_AUDIO_PLL2_SSCG_CTRL] = 0x00000000;
+ s->analog[ANALOG_AUDIO_PLL2_MNIT_CTRL] = 0x00100103;
+ s->analog[ANALOG_VIDEO_PLL1_GEN_CTRL] = 0x00002010;
+ s->analog[ANALOG_VIDEO_PLL1_FDIV_CTL0] = 0x00145032;
+ s->analog[ANALOG_VIDEO_PLL1_FDIV_CTL1] = 0x00000000;
+ s->analog[ANALOG_VIDEO_PLL1_SSCG_CTRL] = 0x00000000;
+ s->analog[ANALOG_VIDEO_PLL1_MNIT_CTRL] = 0x00100103;
+ s->analog[ANALOG_DRAM_PLL_GEN_CTRL] = 0x00002010;
+ s->analog[ANALOG_DRAM_PLL_FDIV_CTL0] = 0x0012c032;
+ s->analog[ANALOG_DRAM_PLL_FDIV_CTL1] = 0x00000000;
+ s->analog[ANALOG_DRAM_PLL_SSCG_CTRL] = 0x00000000;
+ s->analog[ANALOG_DRAM_PLL_MNIT_CTRL] = 0x00100103;
+ s->analog[ANALOG_GPU_PLL_GEN_CTRL] = 0x00000810;
+ s->analog[ANALOG_GPU_PLL_FDIV_CTL0] = 0x000c8031;
+ s->analog[ANALOG_GPU_PLL_LOCKD_CTRL] = 0x0010003f;
+ s->analog[ANALOG_GPU_PLL_MNIT_CTRL] = 0x00280081;
+ s->analog[ANALOG_VPU_PLL_GEN_CTRL] = 0x00000810;
+ s->analog[ANALOG_VPU_PLL_FDIV_CTL0] = 0x0012c032;
+ s->analog[ANALOG_VPU_PLL_LOCKD_CTRL] = 0x0010003f;
+ s->analog[ANALOG_VPU_PLL_MNIT_CTRL] = 0x00280081;
+ s->analog[ANALOG_ARM_PLL_GEN_CTRL] = 0x00000810;
+ s->analog[ANALOG_ARM_PLL_FDIV_CTL0] = 0x000fa031;
+ s->analog[ANALOG_ARM_PLL_LOCKD_CTRL] = 0x0010003f;
+ s->analog[ANALOG_ARM_PLL_MNIT_CTRL] = 0x00280081;
+ s->analog[ANALOG_SYS_PLL1_GEN_CTRL] = 0x0aaaa810;
+ s->analog[ANALOG_SYS_PLL1_FDIV_CTL0] = 0x00190032;
+ s->analog[ANALOG_SYS_PLL1_LOCKD_CTRL] = 0x0010003f;
+ s->analog[ANALOG_SYS_PLL1_MNIT_CTRL] = 0x00280081;
+ s->analog[ANALOG_SYS_PLL2_GEN_CTRL] = 0x0aaaa810;
+ s->analog[ANALOG_SYS_PLL2_FDIV_CTL0] = 0x000fa031;
+ s->analog[ANALOG_SYS_PLL2_LOCKD_CTRL] = 0x0010003f;
+ s->analog[ANALOG_SYS_PLL2_MNIT_CTRL] = 0x00280081;
+ s->analog[ANALOG_SYS_PLL3_GEN_CTRL] = 0x00000810;
+ s->analog[ANALOG_SYS_PLL3_FDIV_CTL0] = 0x000fa031;
+ s->analog[ANALOG_SYS_PLL3_LOCKD_CTRL] = 0x0010003f;
+ s->analog[ANALOG_SYS_PLL3_MNIT_CTRL] = 0x00280081;
+ s->analog[ANALOG_OSC_MISC_CFG] = 0x00000000;
+ s->analog[ANALOG_ANAMIX_PLL_MNIT_CTL] = 0x00000000;
+ s->analog[ANALOG_DIGPROG] = 0x00824010;
+
+ /* all PLLs need to be locked */
+ s->analog[ANALOG_AUDIO_PLL1_GEN_CTRL] |= ANALOG_PLL_LOCK;
+ s->analog[ANALOG_AUDIO_PLL2_GEN_CTRL] |= ANALOG_PLL_LOCK;
+ s->analog[ANALOG_VIDEO_PLL1_GEN_CTRL] |= ANALOG_PLL_LOCK;
+ s->analog[ANALOG_DRAM_PLL_GEN_CTRL] |= ANALOG_PLL_LOCK;
+ s->analog[ANALOG_GPU_PLL_GEN_CTRL] |= ANALOG_PLL_LOCK;
+ s->analog[ANALOG_VPU_PLL_GEN_CTRL] |= ANALOG_PLL_LOCK;
+ s->analog[ANALOG_ARM_PLL_GEN_CTRL] |= ANALOG_PLL_LOCK;
+ s->analog[ANALOG_SYS_PLL1_GEN_CTRL] |= ANALOG_PLL_LOCK;
+ s->analog[ANALOG_SYS_PLL2_GEN_CTRL] |= ANALOG_PLL_LOCK;
+ s->analog[ANALOG_SYS_PLL3_GEN_CTRL] |= ANALOG_PLL_LOCK;
+}
+
+static uint64_t imx8mp_analog_read(void *opaque, hwaddr offset, unsigned size)
+{
+ IMX8MPAnalogState *s = opaque;
+
+ return s->analog[offset >> 2];
+}
+
+static void imx8mp_analog_write(void *opaque, hwaddr offset,
+ uint64_t value, unsigned size)
+{
+ IMX8MPAnalogState *s = opaque;
+
+ if (offset >> 2 == ANALOG_DIGPROG) {
+ qemu_log_mask(LOG_GUEST_ERROR,
+ "Guest write to read-only ANALOG_DIGPROG register\n");
+ } else {
+ s->analog[offset >> 2] = value;
+ }
+}
+
+static const struct MemoryRegionOps imx8mp_analog_ops = {
+ .read = imx8mp_analog_read,
+ .write = imx8mp_analog_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
+ .impl = {
+ .min_access_size = 4,
+ .max_access_size = 4,
+ .unaligned = false,
+ },
+};
+
+static void imx8mp_analog_init(Object *obj)
+{
+ IMX8MPAnalogState *s = IMX8MP_ANALOG(obj);
+ SysBusDevice *sd = SYS_BUS_DEVICE(obj);
+
+ memory_region_init(&s->mmio.container, obj, TYPE_IMX8MP_ANALOG, 0x10000);
+
+ memory_region_init_io(&s->mmio.analog, obj, &imx8mp_analog_ops, s,
+ TYPE_IMX8MP_ANALOG, sizeof(s->analog));
+ memory_region_add_subregion(&s->mmio.container, 0, &s->mmio.analog);
+
+ sysbus_init_mmio(sd, &s->mmio.container);
+}
+
+static const VMStateDescription vmstate_imx8mp_analog = {
+ .name = TYPE_IMX8MP_ANALOG,
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (const VMStateField[]) {
+ VMSTATE_UINT32_ARRAY(analog, IMX8MPAnalogState, ANALOG_MAX),
+ VMSTATE_END_OF_LIST()
+ },
+};
+
+static void imx8mp_analog_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+
+ device_class_set_legacy_reset(dc, imx8mp_analog_reset);
+ dc->vmsd = &vmstate_imx8mp_analog;
+ dc->desc = "i.MX 8M Plus Analog Module";
+}
+
+static const TypeInfo imx8mp_ccm_types[] = {
+ {
+ .name = TYPE_IMX8MP_ANALOG,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(IMX8MPAnalogState),
+ .instance_init = imx8mp_analog_init,
+ .class_init = imx8mp_analog_class_init,
+ }
+};
+
+DEFINE_TYPES(imx8mp_ccm_types);
diff --git a/hw/misc/imx8mp_ccm.c b/hw/misc/imx8mp_ccm.c
new file mode 100644
index 0000000000..7c869ff86b
--- /dev/null
+++ b/hw/misc/imx8mp_ccm.c
@@ -0,0 +1,175 @@
+/*
+ * Copyright (c) 2025 Bernhard Beschow <shentey@gmail.com>
+ *
+ * i.MX 8M Plus CCM IP block emulation code
+ *
+ * Based on hw/misc/imx7_ccm.c
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/log.h"
+
+#include "hw/misc/imx8mp_ccm.h"
+#include "migration/vmstate.h"
+
+#include "trace.h"
+
+#define CKIH_FREQ 16000000 /* 16MHz crystal input */
+
+static void imx8mp_ccm_reset(DeviceState *dev)
+{
+ IMX8MPCCMState *s = IMX8MP_CCM(dev);
+
+ memset(s->ccm, 0, sizeof(s->ccm));
+}
+
+#define CCM_INDEX(offset) (((offset) & ~(hwaddr)0xF) / sizeof(uint32_t))
+#define CCM_BITOP(offset) ((offset) & (hwaddr)0xF)
+
+enum {
+ CCM_BITOP_NONE = 0x00,
+ CCM_BITOP_SET = 0x04,
+ CCM_BITOP_CLR = 0x08,
+ CCM_BITOP_TOG = 0x0C,
+};
+
+static uint64_t imx8mp_set_clr_tog_read(void *opaque, hwaddr offset,
+ unsigned size)
+{
+ const uint32_t *mmio = opaque;
+
+ return mmio[CCM_INDEX(offset)];
+}
+
+static void imx8mp_set_clr_tog_write(void *opaque, hwaddr offset,
+ uint64_t value, unsigned size)
+{
+ const uint8_t bitop = CCM_BITOP(offset);
+ const uint32_t index = CCM_INDEX(offset);
+ uint32_t *mmio = opaque;
+
+ switch (bitop) {
+ case CCM_BITOP_NONE:
+ mmio[index] = value;
+ break;
+ case CCM_BITOP_SET:
+ mmio[index] |= value;
+ break;
+ case CCM_BITOP_CLR:
+ mmio[index] &= ~value;
+ break;
+ case CCM_BITOP_TOG:
+ mmio[index] ^= value;
+ break;
+ };
+}
+
+static const struct MemoryRegionOps imx8mp_set_clr_tog_ops = {
+ .read = imx8mp_set_clr_tog_read,
+ .write = imx8mp_set_clr_tog_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
+ .impl = {
+ /*
+ * Our device would not work correctly if the guest was doing
+ * unaligned access. This might not be a limitation on the real
+ * device but in practice there is no reason for a guest to access
+ * this device unaligned.
+ */
+ .min_access_size = 4,
+ .max_access_size = 4,
+ .unaligned = false,
+ },
+};
+
+static void imx8mp_ccm_init(Object *obj)
+{
+ SysBusDevice *sd = SYS_BUS_DEVICE(obj);
+ IMX8MPCCMState *s = IMX8MP_CCM(obj);
+
+ memory_region_init_io(&s->iomem,
+ obj,
+ &imx8mp_set_clr_tog_ops,
+ s->ccm,
+ TYPE_IMX8MP_CCM ".ccm",
+ sizeof(s->ccm));
+
+ sysbus_init_mmio(sd, &s->iomem);
+}
+
+static const VMStateDescription vmstate_imx8mp_ccm = {
+ .name = TYPE_IMX8MP_CCM,
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (const VMStateField[]) {
+ VMSTATE_UINT32_ARRAY(ccm, IMX8MPCCMState, CCM_MAX),
+ VMSTATE_END_OF_LIST()
+ },
+};
+
+static uint32_t imx8mp_ccm_get_clock_frequency(IMXCCMState *dev, IMXClk clock)
+{
+ /*
+ * This function is "consumed" by GPT emulation code. Some clocks
+ * have fixed frequencies and we can provide requested frequency
+ * easily. However for CCM provided clocks (like IPG) each GPT
+ * timer can have its own clock root.
+ * This means we need additional information when calling this
+ * function to know the requester's identity.
+ */
+ uint32_t freq = 0;
+
+ switch (clock) {
+ case CLK_NONE:
+ break;
+ case CLK_32k:
+ freq = CKIL_FREQ;
+ break;
+ case CLK_HIGH:
+ freq = CKIH_FREQ;
+ break;
+ case CLK_IPG:
+ case CLK_IPG_HIGH:
+ /*
+ * For now we don't have a way to figure out the device this
+ * function is called for. Until then the IPG derived clocks
+ * are left unimplemented.
+ */
+ qemu_log_mask(LOG_GUEST_ERROR, "[%s]%s: Clock %d Not implemented\n",
+ TYPE_IMX8MP_CCM, __func__, clock);
+ break;
+ default:
+ qemu_log_mask(LOG_GUEST_ERROR, "[%s]%s: unsupported clock %d\n",
+ TYPE_IMX8MP_CCM, __func__, clock);
+ break;
+ }
+
+ trace_ccm_clock_freq(clock, freq);
+
+ return freq;
+}
+
+static void imx8mp_ccm_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ IMXCCMClass *ccm = IMX_CCM_CLASS(klass);
+
+ device_class_set_legacy_reset(dc, imx8mp_ccm_reset);
+ dc->vmsd = &vmstate_imx8mp_ccm;
+ dc->desc = "i.MX 8M Plus Clock Control Module";
+
+ ccm->get_clock_frequency = imx8mp_ccm_get_clock_frequency;
+}
+
+static const TypeInfo imx8mp_ccm_types[] = {
+ {
+ .name = TYPE_IMX8MP_CCM,
+ .parent = TYPE_IMX_CCM,
+ .instance_size = sizeof(IMX8MPCCMState),
+ .instance_init = imx8mp_ccm_init,
+ .class_init = imx8mp_ccm_class_init,
+ },
+};
+
+DEFINE_TYPES(imx8mp_ccm_types);
diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig
index e22916df57..0079c51734 100644
--- a/hw/arm/Kconfig
+++ b/hw/arm/Kconfig
@@ -580,6 +580,8 @@ config FSL_IMX7
config FSL_IMX8MP
bool
select ARM_GIC
+ select FSL_IMX8MP_ANALOG
+ select FSL_IMX8MP_CCM
select IMX
select UNIMP
diff --git a/hw/misc/Kconfig b/hw/misc/Kconfig
index 4271e2f4ac..82bd68b4bb 100644
--- a/hw/misc/Kconfig
+++ b/hw/misc/Kconfig
@@ -78,6 +78,12 @@ config IMX
select SSI
select USB_EHCI_SYSBUS
+config FSL_IMX8MP_ANALOG
+ bool
+
+config FSL_IMX8MP_CCM
+ bool
+
config STM32_RCC
bool
diff --git a/hw/misc/meson.build b/hw/misc/meson.build
index 55f493521b..f9285cf2f1 100644
--- a/hw/misc/meson.build
+++ b/hw/misc/meson.build
@@ -55,6 +55,8 @@ system_ss.add(when: 'CONFIG_AXP2XX_PMU', if_true: files('axp2xx.c'))
system_ss.add(when: 'CONFIG_REALVIEW', if_true: files('arm_sysctl.c'))
system_ss.add(when: 'CONFIG_ECCMEMCTL', if_true: files('eccmemctl.c'))
system_ss.add(when: 'CONFIG_EXYNOS4', if_true: files('exynos4210_pmu.c', 'exynos4210_clk.c', 'exynos4210_rng.c'))
+system_ss.add(when: 'CONFIG_FSL_IMX8MP_ANALOG', if_true: files('imx8mp_analog.c'))
+system_ss.add(when: 'CONFIG_FSL_IMX8MP_CCM', if_true: files('imx8mp_ccm.c'))
system_ss.add(when: 'CONFIG_IMX', if_true: files(
'imx25_ccm.c',
'imx31_ccm.c',
--
2.48.1
Am 4. Februar 2025 09:20:59 UTC schrieb Bernhard Beschow <shentey@gmail.com>:
>Fixes quite a few stack traces during the Linux boot process. Also provides the
>clocks for devices added later, e.g. enet1.
>
>Signed-off-by: Bernhard Beschow <shentey@gmail.com>
>---
> MAINTAINERS | 2 +
> docs/system/arm/imx8mp-evk.rst | 1 +
> include/hw/arm/fsl-imx8mp.h | 4 +
> include/hw/misc/imx8mp_analog.h | 81 +++++++++++++++
> include/hw/misc/imx8mp_ccm.h | 30 ++++++
> hw/arm/fsl-imx8mp.c | 20 ++++
> hw/misc/imx8mp_analog.c | 160 +++++++++++++++++++++++++++++
> hw/misc/imx8mp_ccm.c | 175 ++++++++++++++++++++++++++++++++
> hw/arm/Kconfig | 2 +
> hw/misc/Kconfig | 6 ++
> hw/misc/meson.build | 2 +
> 11 files changed, 483 insertions(+)
> create mode 100644 include/hw/misc/imx8mp_analog.h
> create mode 100644 include/hw/misc/imx8mp_ccm.h
> create mode 100644 hw/misc/imx8mp_analog.c
> create mode 100644 hw/misc/imx8mp_ccm.c
>
>diff --git a/MAINTAINERS b/MAINTAINERS
>index 8db59114bc..5b5b0d0bed 100644
>--- a/MAINTAINERS
>+++ b/MAINTAINERS
>@@ -826,7 +826,9 @@ L: qemu-arm@nongnu.org
> S: Maintained
> F: hw/arm/imx8mp-evk.c
> F: hw/arm/fsl-imx8mp.c
>+F: hw/misc/imx8mp_*.c
> F: include/hw/arm/fsl-imx8mp.h
>+F: include/hw/misc/imx8mp_*.h
> F: docs/system/arm/imx8mp-evk.rst
>
> MPS2 / MPS3
>diff --git a/docs/system/arm/imx8mp-evk.rst b/docs/system/arm/imx8mp-evk.rst
>index a9c1fab390..e5039fc8c4 100644
>--- a/docs/system/arm/imx8mp-evk.rst
>+++ b/docs/system/arm/imx8mp-evk.rst
>@@ -13,6 +13,7 @@ The ``imx8mp-evk`` machine implements the following devices:
> * Up to 4 Cortex-A53 Cores
> * Generic Interrupt Controller (GICv3)
> * 4 UARTs
>+ * Clock Tree
>
> Boot options
> ------------
>diff --git a/include/hw/arm/fsl-imx8mp.h b/include/hw/arm/fsl-imx8mp.h
>index 57e23d1b69..ce5188e7f2 100644
>--- a/include/hw/arm/fsl-imx8mp.h
>+++ b/include/hw/arm/fsl-imx8mp.h
>@@ -12,6 +12,8 @@
> #include "cpu.h"
> #include "hw/char/imx_serial.h"
> #include "hw/intc/arm_gicv3_common.h"
>+#include "hw/misc/imx8mp_analog.h"
>+#include "hw/misc/imx8mp_ccm.h"
> #include "qom/object.h"
> #include "qemu/units.h"
>
>@@ -32,6 +34,8 @@ struct FslImx8mpState {
>
> ARMCPU cpu[FSL_IMX8MP_NUM_CPUS];
> GICv3State gic;
>+ IMX8MPCCMState ccm;
>+ IMX8MPAnalogState analog;
> IMXSerialState uart[FSL_IMX8MP_NUM_UARTS];
> };
>
>diff --git a/include/hw/misc/imx8mp_analog.h b/include/hw/misc/imx8mp_analog.h
>new file mode 100644
>index 0000000000..955f03215a
>--- /dev/null
>+++ b/include/hw/misc/imx8mp_analog.h
>@@ -0,0 +1,81 @@
>+/*
>+ * Copyright (c) 2025 Bernhard Beschow <shentey@gmail.com>
>+ *
>+ * i.MX8MP ANALOG IP block emulation code
>+ *
>+ * SPDX-License-Identifier: GPL-2.0-or-later
>+ */
>+
>+#ifndef IMX8MP_ANALOG_H
>+#define IMX8MP_ANALOG_H
>+
>+#include "qom/object.h"
>+#include "hw/sysbus.h"
>+
>+enum IMX8MPAnalogRegisters {
>+ ANALOG_AUDIO_PLL1_GEN_CTRL = 0x000 / 4,
>+ ANALOG_AUDIO_PLL1_FDIV_CTL0 = 0x004 / 4,
>+ ANALOG_AUDIO_PLL1_FDIV_CTL1 = 0x008 / 4,
>+ ANALOG_AUDIO_PLL1_SSCG_CTRL = 0x00c / 4,
>+ ANALOG_AUDIO_PLL1_MNIT_CTRL = 0x010 / 4,
>+ ANALOG_AUDIO_PLL2_GEN_CTRL = 0x014 / 4,
>+ ANALOG_AUDIO_PLL2_FDIV_CTL0 = 0x018 / 4,
>+ ANALOG_AUDIO_PLL2_FDIV_CTL1 = 0x01c / 4,
>+ ANALOG_AUDIO_PLL2_SSCG_CTRL = 0x020 / 4,
>+ ANALOG_AUDIO_PLL2_MNIT_CTRL = 0x024 / 4,
>+ ANALOG_VIDEO_PLL1_GEN_CTRL = 0x028 / 4,
>+ ANALOG_VIDEO_PLL1_FDIV_CTL0 = 0x02c / 4,
>+ ANALOG_VIDEO_PLL1_FDIV_CTL1 = 0x030 / 4,
>+ ANALOG_VIDEO_PLL1_SSCG_CTRL = 0x034 / 4,
>+ ANALOG_VIDEO_PLL1_MNIT_CTRL = 0x038 / 4,
>+ ANALOG_DRAM_PLL_GEN_CTRL = 0x050 / 4,
>+ ANALOG_DRAM_PLL_FDIV_CTL0 = 0x054 / 4,
>+ ANALOG_DRAM_PLL_FDIV_CTL1 = 0x058 / 4,
>+ ANALOG_DRAM_PLL_SSCG_CTRL = 0x05c / 4,
>+ ANALOG_DRAM_PLL_MNIT_CTRL = 0x060 / 4,
>+ ANALOG_GPU_PLL_GEN_CTRL = 0x064 / 4,
>+ ANALOG_GPU_PLL_FDIV_CTL0 = 0x068 / 4,
>+ ANALOG_GPU_PLL_LOCKD_CTRL = 0x06c / 4,
>+ ANALOG_GPU_PLL_MNIT_CTRL = 0x070 / 4,
>+ ANALOG_VPU_PLL_GEN_CTRL = 0x074 / 4,
>+ ANALOG_VPU_PLL_FDIV_CTL0 = 0x078 / 4,
>+ ANALOG_VPU_PLL_LOCKD_CTRL = 0x07c / 4,
>+ ANALOG_VPU_PLL_MNIT_CTRL = 0x080 / 4,
>+ ANALOG_ARM_PLL_GEN_CTRL = 0x084 / 4,
>+ ANALOG_ARM_PLL_FDIV_CTL0 = 0x088 / 4,
>+ ANALOG_ARM_PLL_LOCKD_CTRL = 0x08c / 4,
>+ ANALOG_ARM_PLL_MNIT_CTRL = 0x090 / 4,
>+ ANALOG_SYS_PLL1_GEN_CTRL = 0x094 / 4,
>+ ANALOG_SYS_PLL1_FDIV_CTL0 = 0x098 / 4,
>+ ANALOG_SYS_PLL1_LOCKD_CTRL = 0x09c / 4,
>+ ANALOG_SYS_PLL1_MNIT_CTRL = 0x100 / 4,
>+ ANALOG_SYS_PLL2_GEN_CTRL = 0x104 / 4,
>+ ANALOG_SYS_PLL2_FDIV_CTL0 = 0x108 / 4,
>+ ANALOG_SYS_PLL2_LOCKD_CTRL = 0x10c / 4,
>+ ANALOG_SYS_PLL2_MNIT_CTRL = 0x110 / 4,
>+ ANALOG_SYS_PLL3_GEN_CTRL = 0x114 / 4,
>+ ANALOG_SYS_PLL3_FDIV_CTL0 = 0x118 / 4,
>+ ANALOG_SYS_PLL3_LOCKD_CTRL = 0x11c / 4,
>+ ANALOG_SYS_PLL3_MNIT_CTRL = 0x120 / 4,
>+ ANALOG_OSC_MISC_CFG = 0x124 / 4,
>+ ANALOG_ANAMIX_PLL_MNIT_CTL = 0x128 / 4,
>+
>+ ANALOG_DIGPROG = 0x800 / 4,
>+ ANALOG_MAX,
>+};
>+
>+#define TYPE_IMX8MP_ANALOG "imx8mp.analog"
>+OBJECT_DECLARE_SIMPLE_TYPE(IMX8MPAnalogState, IMX8MP_ANALOG)
>+
>+struct IMX8MPAnalogState {
>+ SysBusDevice parent_obj;
>+
>+ struct {
>+ MemoryRegion container;
>+ MemoryRegion analog;
>+ } mmio;
>+
>+ uint32_t analog[ANALOG_MAX];
>+};
>+
>+#endif /* IMX8MP_ANALOG_H */
>diff --git a/include/hw/misc/imx8mp_ccm.h b/include/hw/misc/imx8mp_ccm.h
>new file mode 100644
>index 0000000000..685c8582ff
>--- /dev/null
>+++ b/include/hw/misc/imx8mp_ccm.h
>@@ -0,0 +1,30 @@
>+/*
>+ * Copyright (c) 2025 Bernhard Beschow <shentey@gmail.com>
>+ *
>+ * i.MX 8M Plus CCM IP block emulation code
>+ *
>+ * SPDX-License-Identifier: GPL-2.0-or-later
>+ */
>+
>+#ifndef IMX8MP_CCM_H
>+#define IMX8MP_CCM_H
>+
>+#include "hw/misc/imx_ccm.h"
>+#include "qom/object.h"
>+
>+enum IMX8MPCCMRegisters {
>+ CCM_MAX = 0xc6fc / sizeof(uint32_t) + 1,
>+};
>+
>+#define TYPE_IMX8MP_CCM "imx8mp.ccm"
>+OBJECT_DECLARE_SIMPLE_TYPE(IMX8MPCCMState, IMX8MP_CCM)
>+
>+struct IMX8MPCCMState {
>+ IMXCCMState parent_obj;
>+
>+ MemoryRegion iomem;
>+
>+ uint32_t ccm[CCM_MAX];
>+};
>+
>+#endif /* IMX8MP_CCM_H */
>diff --git a/hw/arm/fsl-imx8mp.c b/hw/arm/fsl-imx8mp.c
>index 0836d82ca0..a1a8843b3b 100644
>--- a/hw/arm/fsl-imx8mp.c
>+++ b/hw/arm/fsl-imx8mp.c
>@@ -200,6 +200,10 @@ static void fsl_imx8mp_init(Object *obj)
>
> object_initialize_child(obj, "gic", &s->gic, TYPE_ARM_GICV3);
>
>+ object_initialize_child(obj, "ccm", &s->ccm, TYPE_IMX8MP_CCM);
>+
>+ object_initialize_child(obj, "analog", &s->analog, TYPE_IMX8MP_ANALOG);
>+
> for (i = 0; i < FSL_IMX8MP_NUM_UARTS; i++) {
> snprintf(name, NAME_SIZE, "uart%d", i + 1);
> object_initialize_child(obj, name, &s->uart[i], TYPE_IMX_SERIAL);
>@@ -308,6 +312,20 @@ static void fsl_imx8mp_realize(DeviceState *dev, Error **errp)
> }
> }
>
>+ /* CCM */
>+ if (!sysbus_realize(SYS_BUS_DEVICE(&s->ccm), errp)) {
>+ return;
>+ }
>+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->ccm), 0,
>+ fsl_imx8mp_memmap[FSL_IMX8MP_CCM].addr);
>+
>+ /* Analog */
>+ if (!sysbus_realize(SYS_BUS_DEVICE(&s->analog), errp)) {
>+ return;
>+ }
>+ sysbus_mmio_map(SYS_BUS_DEVICE(&s->analog), 0,
>+ fsl_imx8mp_memmap[FSL_IMX8MP_ANA_PLL].addr);
>+
> /* UARTs */
> for (i = 0; i < FSL_IMX8MP_NUM_UARTS; i++) {
> static const struct {
>@@ -333,6 +351,8 @@ static void fsl_imx8mp_realize(DeviceState *dev, Error **errp)
> /* Unimplemented devices */
> for (i = 0; i < ARRAY_SIZE(fsl_imx8mp_memmap); i++) {
> switch (i) {
>+ case FSL_IMX8MP_ANA_PLL:
>+ case FSL_IMX8MP_CCM:
> case FSL_IMX8MP_GIC_DIST:
> case FSL_IMX8MP_GIC_REDIST:
> case FSL_IMX8MP_RAM:
>diff --git a/hw/misc/imx8mp_analog.c b/hw/misc/imx8mp_analog.c
>new file mode 100644
>index 0000000000..71333b3e9e
>--- /dev/null
>+++ b/hw/misc/imx8mp_analog.c
>@@ -0,0 +1,160 @@
>+/*
>+ * Copyright (c) 2025 Bernhard Beschow <shentey@gmail.com>
>+ *
>+ * i.MX 8M Plus ANALOG IP block emulation code
>+ *
>+ * Based on hw/misc/imx7_ccm.c
>+ *
>+ * SPDX-License-Identifier: GPL-2.0-or-later
>+ */
>+
>+#include "qemu/osdep.h"
>+#include "qemu/log.h"
>+
>+#include "hw/misc/imx8mp_analog.h"
>+#include "migration/vmstate.h"
>+
>+#define ANALOG_PLL_LOCK BIT(31)
>+
>+static void imx8mp_analog_reset(DeviceState *dev)
>+{
>+ IMX8MPAnalogState *s = IMX8MP_ANALOG(dev);
>+
>+ memset(s->analog, 0, sizeof(s->analog));
>+
>+ s->analog[ANALOG_AUDIO_PLL1_GEN_CTRL] = 0x00002010;
>+ s->analog[ANALOG_AUDIO_PLL1_FDIV_CTL0] = 0x00145032;
>+ s->analog[ANALOG_AUDIO_PLL1_FDIV_CTL1] = 0x00000000;
>+ s->analog[ANALOG_AUDIO_PLL1_SSCG_CTRL] = 0x00000000;
>+ s->analog[ANALOG_AUDIO_PLL1_MNIT_CTRL] = 0x00100103;
>+ s->analog[ANALOG_AUDIO_PLL2_GEN_CTRL] = 0x00002010;
>+ s->analog[ANALOG_AUDIO_PLL2_FDIV_CTL0] = 0x00145032;
>+ s->analog[ANALOG_AUDIO_PLL2_FDIV_CTL1] = 0x00000000;
>+ s->analog[ANALOG_AUDIO_PLL2_SSCG_CTRL] = 0x00000000;
>+ s->analog[ANALOG_AUDIO_PLL2_MNIT_CTRL] = 0x00100103;
>+ s->analog[ANALOG_VIDEO_PLL1_GEN_CTRL] = 0x00002010;
>+ s->analog[ANALOG_VIDEO_PLL1_FDIV_CTL0] = 0x00145032;
>+ s->analog[ANALOG_VIDEO_PLL1_FDIV_CTL1] = 0x00000000;
>+ s->analog[ANALOG_VIDEO_PLL1_SSCG_CTRL] = 0x00000000;
>+ s->analog[ANALOG_VIDEO_PLL1_MNIT_CTRL] = 0x00100103;
>+ s->analog[ANALOG_DRAM_PLL_GEN_CTRL] = 0x00002010;
>+ s->analog[ANALOG_DRAM_PLL_FDIV_CTL0] = 0x0012c032;
>+ s->analog[ANALOG_DRAM_PLL_FDIV_CTL1] = 0x00000000;
>+ s->analog[ANALOG_DRAM_PLL_SSCG_CTRL] = 0x00000000;
>+ s->analog[ANALOG_DRAM_PLL_MNIT_CTRL] = 0x00100103;
>+ s->analog[ANALOG_GPU_PLL_GEN_CTRL] = 0x00000810;
>+ s->analog[ANALOG_GPU_PLL_FDIV_CTL0] = 0x000c8031;
>+ s->analog[ANALOG_GPU_PLL_LOCKD_CTRL] = 0x0010003f;
>+ s->analog[ANALOG_GPU_PLL_MNIT_CTRL] = 0x00280081;
>+ s->analog[ANALOG_VPU_PLL_GEN_CTRL] = 0x00000810;
>+ s->analog[ANALOG_VPU_PLL_FDIV_CTL0] = 0x0012c032;
>+ s->analog[ANALOG_VPU_PLL_LOCKD_CTRL] = 0x0010003f;
>+ s->analog[ANALOG_VPU_PLL_MNIT_CTRL] = 0x00280081;
>+ s->analog[ANALOG_ARM_PLL_GEN_CTRL] = 0x00000810;
>+ s->analog[ANALOG_ARM_PLL_FDIV_CTL0] = 0x000fa031;
>+ s->analog[ANALOG_ARM_PLL_LOCKD_CTRL] = 0x0010003f;
>+ s->analog[ANALOG_ARM_PLL_MNIT_CTRL] = 0x00280081;
>+ s->analog[ANALOG_SYS_PLL1_GEN_CTRL] = 0x0aaaa810;
>+ s->analog[ANALOG_SYS_PLL1_FDIV_CTL0] = 0x00190032;
>+ s->analog[ANALOG_SYS_PLL1_LOCKD_CTRL] = 0x0010003f;
>+ s->analog[ANALOG_SYS_PLL1_MNIT_CTRL] = 0x00280081;
>+ s->analog[ANALOG_SYS_PLL2_GEN_CTRL] = 0x0aaaa810;
>+ s->analog[ANALOG_SYS_PLL2_FDIV_CTL0] = 0x000fa031;
>+ s->analog[ANALOG_SYS_PLL2_LOCKD_CTRL] = 0x0010003f;
>+ s->analog[ANALOG_SYS_PLL2_MNIT_CTRL] = 0x00280081;
>+ s->analog[ANALOG_SYS_PLL3_GEN_CTRL] = 0x00000810;
>+ s->analog[ANALOG_SYS_PLL3_FDIV_CTL0] = 0x000fa031;
>+ s->analog[ANALOG_SYS_PLL3_LOCKD_CTRL] = 0x0010003f;
>+ s->analog[ANALOG_SYS_PLL3_MNIT_CTRL] = 0x00280081;
>+ s->analog[ANALOG_OSC_MISC_CFG] = 0x00000000;
>+ s->analog[ANALOG_ANAMIX_PLL_MNIT_CTL] = 0x00000000;
>+ s->analog[ANALOG_DIGPROG] = 0x00824010;
>+
>+ /* all PLLs need to be locked */
>+ s->analog[ANALOG_AUDIO_PLL1_GEN_CTRL] |= ANALOG_PLL_LOCK;
>+ s->analog[ANALOG_AUDIO_PLL2_GEN_CTRL] |= ANALOG_PLL_LOCK;
>+ s->analog[ANALOG_VIDEO_PLL1_GEN_CTRL] |= ANALOG_PLL_LOCK;
>+ s->analog[ANALOG_DRAM_PLL_GEN_CTRL] |= ANALOG_PLL_LOCK;
>+ s->analog[ANALOG_GPU_PLL_GEN_CTRL] |= ANALOG_PLL_LOCK;
>+ s->analog[ANALOG_VPU_PLL_GEN_CTRL] |= ANALOG_PLL_LOCK;
>+ s->analog[ANALOG_ARM_PLL_GEN_CTRL] |= ANALOG_PLL_LOCK;
>+ s->analog[ANALOG_SYS_PLL1_GEN_CTRL] |= ANALOG_PLL_LOCK;
>+ s->analog[ANALOG_SYS_PLL2_GEN_CTRL] |= ANALOG_PLL_LOCK;
>+ s->analog[ANALOG_SYS_PLL3_GEN_CTRL] |= ANALOG_PLL_LOCK;
>+}
>+
>+static uint64_t imx8mp_analog_read(void *opaque, hwaddr offset, unsigned size)
>+{
>+ IMX8MPAnalogState *s = opaque;
>+
>+ return s->analog[offset >> 2];
>+}
>+
>+static void imx8mp_analog_write(void *opaque, hwaddr offset,
>+ uint64_t value, unsigned size)
>+{
>+ IMX8MPAnalogState *s = opaque;
>+
>+ if (offset >> 2 == ANALOG_DIGPROG) {
>+ qemu_log_mask(LOG_GUEST_ERROR,
>+ "Guest write to read-only ANALOG_DIGPROG register\n");
>+ } else {
>+ s->analog[offset >> 2] = value;
>+ }
>+}
>+
>+static const struct MemoryRegionOps imx8mp_analog_ops = {
>+ .read = imx8mp_analog_read,
>+ .write = imx8mp_analog_write,
>+ .endianness = DEVICE_NATIVE_ENDIAN,
>+ .impl = {
>+ .min_access_size = 4,
>+ .max_access_size = 4,
>+ .unaligned = false,
>+ },
>+};
>+
>+static void imx8mp_analog_init(Object *obj)
>+{
>+ IMX8MPAnalogState *s = IMX8MP_ANALOG(obj);
>+ SysBusDevice *sd = SYS_BUS_DEVICE(obj);
>+
>+ memory_region_init(&s->mmio.container, obj, TYPE_IMX8MP_ANALOG, 0x10000);
>+
>+ memory_region_init_io(&s->mmio.analog, obj, &imx8mp_analog_ops, s,
>+ TYPE_IMX8MP_ANALOG, sizeof(s->analog));
>+ memory_region_add_subregion(&s->mmio.container, 0, &s->mmio.analog);
>+
>+ sysbus_init_mmio(sd, &s->mmio.container);
>+}
>+
>+static const VMStateDescription vmstate_imx8mp_analog = {
>+ .name = TYPE_IMX8MP_ANALOG,
>+ .version_id = 1,
>+ .minimum_version_id = 1,
>+ .fields = (const VMStateField[]) {
>+ VMSTATE_UINT32_ARRAY(analog, IMX8MPAnalogState, ANALOG_MAX),
>+ VMSTATE_END_OF_LIST()
>+ },
>+};
>+
>+static void imx8mp_analog_class_init(ObjectClass *klass, void *data)
>+{
>+ DeviceClass *dc = DEVICE_CLASS(klass);
>+
>+ device_class_set_legacy_reset(dc, imx8mp_analog_reset);
>+ dc->vmsd = &vmstate_imx8mp_analog;
>+ dc->desc = "i.MX 8M Plus Analog Module";
>+}
>+
>+static const TypeInfo imx8mp_ccm_types[] = {
>+ {
>+ .name = TYPE_IMX8MP_ANALOG,
>+ .parent = TYPE_SYS_BUS_DEVICE,
>+ .instance_size = sizeof(IMX8MPAnalogState),
>+ .instance_init = imx8mp_analog_init,
>+ .class_init = imx8mp_analog_class_init,
>+ }
>+};
>+
>+DEFINE_TYPES(imx8mp_ccm_types);
s/imx8mp_ccm_types/imx8mp_analog_types/ will be fixed in next iteration
>diff --git a/hw/misc/imx8mp_ccm.c b/hw/misc/imx8mp_ccm.c
>new file mode 100644
>index 0000000000..7c869ff86b
>--- /dev/null
>+++ b/hw/misc/imx8mp_ccm.c
>@@ -0,0 +1,175 @@
>+/*
>+ * Copyright (c) 2025 Bernhard Beschow <shentey@gmail.com>
>+ *
>+ * i.MX 8M Plus CCM IP block emulation code
>+ *
>+ * Based on hw/misc/imx7_ccm.c
>+ *
>+ * SPDX-License-Identifier: GPL-2.0-or-later
>+ */
>+
>+#include "qemu/osdep.h"
>+#include "qemu/log.h"
>+
>+#include "hw/misc/imx8mp_ccm.h"
>+#include "migration/vmstate.h"
>+
>+#include "trace.h"
>+
>+#define CKIH_FREQ 16000000 /* 16MHz crystal input */
>+
>+static void imx8mp_ccm_reset(DeviceState *dev)
>+{
>+ IMX8MPCCMState *s = IMX8MP_CCM(dev);
>+
>+ memset(s->ccm, 0, sizeof(s->ccm));
>+}
>+
>+#define CCM_INDEX(offset) (((offset) & ~(hwaddr)0xF) / sizeof(uint32_t))
>+#define CCM_BITOP(offset) ((offset) & (hwaddr)0xF)
>+
>+enum {
>+ CCM_BITOP_NONE = 0x00,
>+ CCM_BITOP_SET = 0x04,
>+ CCM_BITOP_CLR = 0x08,
>+ CCM_BITOP_TOG = 0x0C,
>+};
>+
>+static uint64_t imx8mp_set_clr_tog_read(void *opaque, hwaddr offset,
>+ unsigned size)
>+{
>+ const uint32_t *mmio = opaque;
>+
>+ return mmio[CCM_INDEX(offset)];
>+}
>+
>+static void imx8mp_set_clr_tog_write(void *opaque, hwaddr offset,
>+ uint64_t value, unsigned size)
>+{
>+ const uint8_t bitop = CCM_BITOP(offset);
>+ const uint32_t index = CCM_INDEX(offset);
>+ uint32_t *mmio = opaque;
>+
>+ switch (bitop) {
>+ case CCM_BITOP_NONE:
>+ mmio[index] = value;
>+ break;
>+ case CCM_BITOP_SET:
>+ mmio[index] |= value;
>+ break;
>+ case CCM_BITOP_CLR:
>+ mmio[index] &= ~value;
>+ break;
>+ case CCM_BITOP_TOG:
>+ mmio[index] ^= value;
>+ break;
>+ };
>+}
>+
>+static const struct MemoryRegionOps imx8mp_set_clr_tog_ops = {
>+ .read = imx8mp_set_clr_tog_read,
>+ .write = imx8mp_set_clr_tog_write,
>+ .endianness = DEVICE_NATIVE_ENDIAN,
>+ .impl = {
>+ /*
>+ * Our device would not work correctly if the guest was doing
>+ * unaligned access. This might not be a limitation on the real
>+ * device but in practice there is no reason for a guest to access
>+ * this device unaligned.
>+ */
>+ .min_access_size = 4,
>+ .max_access_size = 4,
>+ .unaligned = false,
>+ },
>+};
>+
>+static void imx8mp_ccm_init(Object *obj)
>+{
>+ SysBusDevice *sd = SYS_BUS_DEVICE(obj);
>+ IMX8MPCCMState *s = IMX8MP_CCM(obj);
>+
>+ memory_region_init_io(&s->iomem,
>+ obj,
>+ &imx8mp_set_clr_tog_ops,
>+ s->ccm,
>+ TYPE_IMX8MP_CCM ".ccm",
>+ sizeof(s->ccm));
>+
>+ sysbus_init_mmio(sd, &s->iomem);
>+}
>+
>+static const VMStateDescription vmstate_imx8mp_ccm = {
>+ .name = TYPE_IMX8MP_CCM,
>+ .version_id = 1,
>+ .minimum_version_id = 1,
>+ .fields = (const VMStateField[]) {
>+ VMSTATE_UINT32_ARRAY(ccm, IMX8MPCCMState, CCM_MAX),
>+ VMSTATE_END_OF_LIST()
>+ },
>+};
>+
>+static uint32_t imx8mp_ccm_get_clock_frequency(IMXCCMState *dev, IMXClk clock)
>+{
>+ /*
>+ * This function is "consumed" by GPT emulation code. Some clocks
>+ * have fixed frequencies and we can provide requested frequency
>+ * easily. However for CCM provided clocks (like IPG) each GPT
>+ * timer can have its own clock root.
>+ * This means we need additional information when calling this
>+ * function to know the requester's identity.
>+ */
>+ uint32_t freq = 0;
>+
>+ switch (clock) {
>+ case CLK_NONE:
>+ break;
>+ case CLK_32k:
>+ freq = CKIL_FREQ;
>+ break;
>+ case CLK_HIGH:
>+ freq = CKIH_FREQ;
>+ break;
>+ case CLK_IPG:
>+ case CLK_IPG_HIGH:
>+ /*
>+ * For now we don't have a way to figure out the device this
>+ * function is called for. Until then the IPG derived clocks
>+ * are left unimplemented.
>+ */
>+ qemu_log_mask(LOG_GUEST_ERROR, "[%s]%s: Clock %d Not implemented\n",
>+ TYPE_IMX8MP_CCM, __func__, clock);
>+ break;
>+ default:
>+ qemu_log_mask(LOG_GUEST_ERROR, "[%s]%s: unsupported clock %d\n",
>+ TYPE_IMX8MP_CCM, __func__, clock);
>+ break;
>+ }
>+
>+ trace_ccm_clock_freq(clock, freq);
>+
>+ return freq;
>+}
>+
>+static void imx8mp_ccm_class_init(ObjectClass *klass, void *data)
>+{
>+ DeviceClass *dc = DEVICE_CLASS(klass);
>+ IMXCCMClass *ccm = IMX_CCM_CLASS(klass);
>+
>+ device_class_set_legacy_reset(dc, imx8mp_ccm_reset);
>+ dc->vmsd = &vmstate_imx8mp_ccm;
>+ dc->desc = "i.MX 8M Plus Clock Control Module";
>+
>+ ccm->get_clock_frequency = imx8mp_ccm_get_clock_frequency;
>+}
>+
>+static const TypeInfo imx8mp_ccm_types[] = {
>+ {
>+ .name = TYPE_IMX8MP_CCM,
>+ .parent = TYPE_IMX_CCM,
>+ .instance_size = sizeof(IMX8MPCCMState),
>+ .instance_init = imx8mp_ccm_init,
>+ .class_init = imx8mp_ccm_class_init,
>+ },
>+};
>+
>+DEFINE_TYPES(imx8mp_ccm_types);
>diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig
>index e22916df57..0079c51734 100644
>--- a/hw/arm/Kconfig
>+++ b/hw/arm/Kconfig
>@@ -580,6 +580,8 @@ config FSL_IMX7
> config FSL_IMX8MP
> bool
> select ARM_GIC
>+ select FSL_IMX8MP_ANALOG
>+ select FSL_IMX8MP_CCM
> select IMX
> select UNIMP
>
>diff --git a/hw/misc/Kconfig b/hw/misc/Kconfig
>index 4271e2f4ac..82bd68b4bb 100644
>--- a/hw/misc/Kconfig
>+++ b/hw/misc/Kconfig
>@@ -78,6 +78,12 @@ config IMX
> select SSI
> select USB_EHCI_SYSBUS
>
>+config FSL_IMX8MP_ANALOG
>+ bool
>+
>+config FSL_IMX8MP_CCM
>+ bool
>+
> config STM32_RCC
> bool
>
>diff --git a/hw/misc/meson.build b/hw/misc/meson.build
>index 55f493521b..f9285cf2f1 100644
>--- a/hw/misc/meson.build
>+++ b/hw/misc/meson.build
>@@ -55,6 +55,8 @@ system_ss.add(when: 'CONFIG_AXP2XX_PMU', if_true: files('axp2xx.c'))
> system_ss.add(when: 'CONFIG_REALVIEW', if_true: files('arm_sysctl.c'))
> system_ss.add(when: 'CONFIG_ECCMEMCTL', if_true: files('eccmemctl.c'))
> system_ss.add(when: 'CONFIG_EXYNOS4', if_true: files('exynos4210_pmu.c', 'exynos4210_clk.c', 'exynos4210_rng.c'))
>+system_ss.add(when: 'CONFIG_FSL_IMX8MP_ANALOG', if_true: files('imx8mp_analog.c'))
>+system_ss.add(when: 'CONFIG_FSL_IMX8MP_CCM', if_true: files('imx8mp_ccm.c'))
> system_ss.add(when: 'CONFIG_IMX', if_true: files(
> 'imx25_ccm.c',
> 'imx31_ccm.c',
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