hw/arm/fsl-imx8mp: Implement clock tree

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>
Message-id: 20250223114708.1780-6-shentey@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

3 files changed, 115 insertions, 0 deletions

diff --git a/include/hw/arm/fsl-imx8mp.h b/include/hw/arm/fsl-imx8mp.h
index 57e23d1..ce5188e 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 0000000..955f032
--- /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 0000000..685c858
--- /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 */