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-rw-r--r--hw/arm/boot.c95
-rw-r--r--hw/arm/sbsa-ref.c21
-rw-r--r--hw/arm/smmuv3-internal.h38
-rw-r--r--hw/arm/smmuv3.c8
-rw-r--r--hw/arm/virt-acpi-build.c12
-rw-r--r--hw/arm/virt.c24
-rw-r--r--hw/misc/bcm2835_property.c2
-rw-r--r--hw/nvram/xlnx-bbram.c8
-rw-r--r--hw/nvram/xlnx-versal-efuse-ctrl.c8
-rw-r--r--hw/nvram/xlnx-zynqmp-efuse.c8
-rw-r--r--hw/timer/npcm7xx_timer.c3
11 files changed, 115 insertions, 112 deletions
diff --git a/hw/arm/boot.c b/hw/arm/boot.c
index 24fa169060..84ea6a807a 100644
--- a/hw/arm/boot.c
+++ b/hw/arm/boot.c
@@ -722,84 +722,35 @@ static void do_cpu_reset(void *opaque)
 
             cpu_set_pc(cs, entry);
         } else {
-            /* If we are booting Linux then we need to check whether we are
-             * booting into secure or non-secure state and adjust the state
-             * accordingly.  Out of reset, ARM is defined to be in secure state
-             * (SCR.NS = 0), we change that here if non-secure boot has been
-             * requested.
+            /*
+             * If we are booting Linux then we might need to do so at:
+             *  - AArch64 NS EL2 or NS EL1
+             *  - AArch32 Secure SVC (EL3)
+             *  - AArch32 NS Hyp (EL2)
+             *  - AArch32 NS SVC (EL1)
+             * Configure the CPU in the way boot firmware would do to
+             * drop us down to the appropriate level.
              */
-            if (arm_feature(env, ARM_FEATURE_EL3)) {
-                /* AArch64 is defined to come out of reset into EL3 if enabled.
-                 * If we are booting Linux then we need to adjust our EL as
-                 * Linux expects us to be in EL2 or EL1.  AArch32 resets into
-                 * SVC, which Linux expects, so no privilege/exception level to
-                 * adjust.
-                 */
-                if (env->aarch64) {
-                    env->cp15.scr_el3 |= SCR_RW;
-                    if (arm_feature(env, ARM_FEATURE_EL2)) {
-                        env->cp15.hcr_el2 |= HCR_RW;
-                        env->pstate = PSTATE_MODE_EL2h;
-                    } else {
-                        env->pstate = PSTATE_MODE_EL1h;
-                    }
-                    if (cpu_isar_feature(aa64_pauth, cpu)) {
-                        env->cp15.scr_el3 |= SCR_API | SCR_APK;
-                    }
-                    if (cpu_isar_feature(aa64_mte, cpu)) {
-                        env->cp15.scr_el3 |= SCR_ATA;
-                    }
-                    if (cpu_isar_feature(aa64_sve, cpu)) {
-                        env->cp15.cptr_el[3] |= R_CPTR_EL3_EZ_MASK;
-                        env->vfp.zcr_el[3] = 0xf;
-                    }
-                    if (cpu_isar_feature(aa64_sme, cpu)) {
-                        env->cp15.cptr_el[3] |= R_CPTR_EL3_ESM_MASK;
-                        env->cp15.scr_el3 |= SCR_ENTP2;
-                        env->vfp.smcr_el[3] = 0xf;
-                    }
-                    if (cpu_isar_feature(aa64_hcx, cpu)) {
-                        env->cp15.scr_el3 |= SCR_HXEN;
-                    }
-                    if (cpu_isar_feature(aa64_fgt, cpu)) {
-                        env->cp15.scr_el3 |= SCR_FGTEN;
-                    }
+            int target_el = arm_feature(env, ARM_FEATURE_EL2) ? 2 : 1;
 
-                    /* AArch64 kernels never boot in secure mode */
-                    assert(!info->secure_boot);
-                    /* This hook is only supported for AArch32 currently:
-                     * bootloader_aarch64[] will not call the hook, and
-                     * the code above has already dropped us into EL2 or EL1.
-                     */
-                    assert(!info->secure_board_setup);
-                }
-
-                if (arm_feature(env, ARM_FEATURE_EL2)) {
-                    /* If we have EL2 then Linux expects the HVC insn to work */
-                    env->cp15.scr_el3 |= SCR_HCE;
-                }
-
-                /* Set to non-secure if not a secure boot */
-                if (!info->secure_boot &&
-                    (cs != first_cpu || !info->secure_board_setup)) {
-                    /* Linux expects non-secure state */
-                    env->cp15.scr_el3 |= SCR_NS;
-                    /* Set NSACR.{CP11,CP10} so NS can access the FPU */
-                    env->cp15.nsacr |= 3 << 10;
-                }
-            }
-
-            if (!env->aarch64 && !info->secure_boot &&
-                arm_feature(env, ARM_FEATURE_EL2)) {
+            if (env->aarch64) {
                 /*
-                 * This is an AArch32 boot not to Secure state, and
-                 * we have Hyp mode available, so boot the kernel into
-                 * Hyp mode. This is not how the CPU comes out of reset,
-                 * so we need to manually put it there.
+                 * AArch64 kernels never boot in secure mode, and we don't
+                 * support the secure_board_setup hook for AArch64.
                  */
-                cpsr_write(env, ARM_CPU_MODE_HYP, CPSR_M, CPSRWriteRaw);
+                assert(!info->secure_boot);
+                assert(!info->secure_board_setup);
+            } else {
+                if (arm_feature(env, ARM_FEATURE_EL3) &&
+                    (info->secure_boot ||
+                     (info->secure_board_setup && cs == first_cpu))) {
+                    /* Start this CPU in Secure SVC */
+                    target_el = 3;
+                }
             }
 
+            arm_emulate_firmware_reset(cs, target_el);
+
             if (cs == first_cpu) {
                 AddressSpace *as = arm_boot_address_space(cpu, info);
 
diff --git a/hw/arm/sbsa-ref.c b/hw/arm/sbsa-ref.c
index 3c7dfcd6dc..e8a82618f0 100644
--- a/hw/arm/sbsa-ref.c
+++ b/hw/arm/sbsa-ref.c
@@ -2,6 +2,7 @@
  * ARM SBSA Reference Platform emulation
  *
  * Copyright (c) 2018 Linaro Limited
+ * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
  * Written by Hongbo Zhang <hongbo.zhang@linaro.org>
  *
  * This program is free software; you can redistribute it and/or modify it
@@ -30,6 +31,7 @@
 #include "exec/hwaddr.h"
 #include "kvm_arm.h"
 #include "hw/arm/boot.h"
+#include "hw/arm/bsa.h"
 #include "hw/arm/fdt.h"
 #include "hw/arm/smmuv3.h"
 #include "hw/block/flash.h"
@@ -55,14 +57,6 @@
 #define NUM_SMMU_IRQS   4
 #define NUM_SATA_PORTS  6
 
-#define VIRTUAL_PMU_IRQ        7
-#define ARCH_GIC_MAINT_IRQ     9
-#define ARCH_TIMER_VIRT_IRQ    11
-#define ARCH_TIMER_S_EL1_IRQ   13
-#define ARCH_TIMER_NS_EL1_IRQ  14
-#define ARCH_TIMER_NS_EL2_IRQ  10
-#define ARCH_TIMER_NS_EL2_VIRT_IRQ  12
-
 enum {
     SBSA_FLASH,
     SBSA_MEM,
@@ -479,7 +473,7 @@ static void create_gic(SBSAMachineState *sms, MemoryRegion *mem)
      */
     for (i = 0; i < smp_cpus; i++) {
         DeviceState *cpudev = DEVICE(qemu_get_cpu(i));
-        int ppibase = NUM_IRQS + i * GIC_INTERNAL + GIC_NR_SGIS;
+        int intidbase = NUM_IRQS + i * GIC_INTERNAL;
         int irq;
         /*
          * Mapping from the output timer irq lines from the CPU to the
@@ -496,14 +490,17 @@ static void create_gic(SBSAMachineState *sms, MemoryRegion *mem)
         for (irq = 0; irq < ARRAY_SIZE(timer_irq); irq++) {
             qdev_connect_gpio_out(cpudev, irq,
                                   qdev_get_gpio_in(sms->gic,
-                                                   ppibase + timer_irq[irq]));
+                                                   intidbase + timer_irq[irq]));
         }
 
         qdev_connect_gpio_out_named(cpudev, "gicv3-maintenance-interrupt", 0,
-                                    qdev_get_gpio_in(sms->gic, ppibase
+                                    qdev_get_gpio_in(sms->gic,
+                                                     intidbase
                                                      + ARCH_GIC_MAINT_IRQ));
+
         qdev_connect_gpio_out_named(cpudev, "pmu-interrupt", 0,
-                                    qdev_get_gpio_in(sms->gic, ppibase
+                                    qdev_get_gpio_in(sms->gic,
+                                                     intidbase
                                                      + VIRTUAL_PMU_IRQ));
 
         sysbus_connect_irq(gicbusdev, i, qdev_get_gpio_in(cpudev, ARM_CPU_IRQ));
diff --git a/hw/arm/smmuv3-internal.h b/hw/arm/smmuv3-internal.h
index 648c2e37a2..6076025ad6 100644
--- a/hw/arm/smmuv3-internal.h
+++ b/hw/arm/smmuv3-internal.h
@@ -38,33 +38,71 @@ REG32(IDR0,                0x0)
     FIELD(IDR0, S1P,         1 , 1)
     FIELD(IDR0, TTF,         2 , 2)
     FIELD(IDR0, COHACC,      4 , 1)
+    FIELD(IDR0, BTM,         5 , 1)
+    FIELD(IDR0, HTTU,        6 , 2)
+    FIELD(IDR0, DORMHINT,    8 , 1)
+    FIELD(IDR0, HYP,         9 , 1)
+    FIELD(IDR0, ATS,         10, 1)
+    FIELD(IDR0, NS1ATS,      11, 1)
     FIELD(IDR0, ASID16,      12, 1)
+    FIELD(IDR0, MSI,         13, 1)
+    FIELD(IDR0, SEV,         14, 1)
+    FIELD(IDR0, ATOS,        15, 1)
+    FIELD(IDR0, PRI,         16, 1)
+    FIELD(IDR0, VMW,         17, 1)
     FIELD(IDR0, VMID16,      18, 1)
+    FIELD(IDR0, CD2L,        19, 1)
+    FIELD(IDR0, VATOS,       20, 1)
     FIELD(IDR0, TTENDIAN,    21, 2)
+    FIELD(IDR0, ATSRECERR,   23, 1)
     FIELD(IDR0, STALL_MODEL, 24, 2)
     FIELD(IDR0, TERM_MODEL,  26, 1)
     FIELD(IDR0, STLEVEL,     27, 2)
+    FIELD(IDR0, RME_IMPL,    30, 1)
 
 REG32(IDR1,                0x4)
     FIELD(IDR1, SIDSIZE,      0 , 6)
+    FIELD(IDR1, SSIDSIZE,     6 , 5)
+    FIELD(IDR1, PRIQS,        11, 5)
     FIELD(IDR1, EVENTQS,      16, 5)
     FIELD(IDR1, CMDQS,        21, 5)
+    FIELD(IDR1, ATTR_PERMS_OVR, 26, 1)
+    FIELD(IDR1, ATTR_TYPES_OVR, 27, 1)
+    FIELD(IDR1, REL,          28, 1)
+    FIELD(IDR1, QUEUES_PRESET, 29, 1)
+    FIELD(IDR1, TABLES_PRESET, 30, 1)
+    FIELD(IDR1, ECMDQ,        31, 1)
 
 #define SMMU_IDR1_SIDSIZE 16
 #define SMMU_CMDQS   19
 #define SMMU_EVENTQS 19
 
 REG32(IDR2,                0x8)
+     FIELD(IDR2, BA_VATOS, 0, 10)
+
 REG32(IDR3,                0xc)
      FIELD(IDR3, HAD,         2, 1);
+     FIELD(IDR3, PBHA,        3, 1);
+     FIELD(IDR3, XNX,         4, 1);
+     FIELD(IDR3, PPS,         5, 1);
+     FIELD(IDR3, MPAM,        7, 1);
+     FIELD(IDR3, FWB,         8, 1);
+     FIELD(IDR3, STT,         9, 1);
      FIELD(IDR3, RIL,        10, 1);
      FIELD(IDR3, BBML,       11, 2);
+     FIELD(IDR3, E0PD,       13, 1);
+     FIELD(IDR3, PTWNNC,     14, 1);
+     FIELD(IDR3, DPT,        15, 1);
+
 REG32(IDR4,                0x10)
+
 REG32(IDR5,                0x14)
      FIELD(IDR5, OAS,         0, 3);
      FIELD(IDR5, GRAN4K,      4, 1);
      FIELD(IDR5, GRAN16K,     5, 1);
      FIELD(IDR5, GRAN64K,     6, 1);
+     FIELD(IDR5, VAX,        10, 2);
+     FIELD(IDR5, STALL_MAX,  16, 16);
 
 #define SMMU_IDR5_OAS 4
 
diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c
index 6f2b2bd45f..c3871ae067 100644
--- a/hw/arm/smmuv3.c
+++ b/hw/arm/smmuv3.c
@@ -278,15 +278,19 @@ static void smmuv3_init_regs(SMMUv3State *s)
     s->idr[1] = FIELD_DP32(s->idr[1], IDR1, EVENTQS, SMMU_EVENTQS);
     s->idr[1] = FIELD_DP32(s->idr[1], IDR1, CMDQS,   SMMU_CMDQS);
 
-    s->idr[3] = FIELD_DP32(s->idr[3], IDR3, RIL, 1);
     s->idr[3] = FIELD_DP32(s->idr[3], IDR3, HAD, 1);
+    if (FIELD_EX32(s->idr[0], IDR0, S2P)) {
+        /* XNX is a stage-2-specific feature */
+        s->idr[3] = FIELD_DP32(s->idr[3], IDR3, XNX, 1);
+    }
+    s->idr[3] = FIELD_DP32(s->idr[3], IDR3, RIL, 1);
     s->idr[3] = FIELD_DP32(s->idr[3], IDR3, BBML, 2);
 
+    s->idr[5] = FIELD_DP32(s->idr[5], IDR5, OAS, SMMU_IDR5_OAS); /* 44 bits */
     /* 4K, 16K and 64K granule support */
     s->idr[5] = FIELD_DP32(s->idr[5], IDR5, GRAN4K, 1);
     s->idr[5] = FIELD_DP32(s->idr[5], IDR5, GRAN16K, 1);
     s->idr[5] = FIELD_DP32(s->idr[5], IDR5, GRAN64K, 1);
-    s->idr[5] = FIELD_DP32(s->idr[5], IDR5, OAS, SMMU_IDR5_OAS); /* 44 bits */
 
     s->cmdq.base = deposit64(s->cmdq.base, 0, 5, SMMU_CMDQS);
     s->cmdq.prod = 0;
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 6b674231c2..9ce136cd88 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -601,21 +601,21 @@ build_gtdt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
      * The interrupt values are the same with the device tree when adding 16
      */
     /* Secure EL1 timer GSIV */
-    build_append_int_noprefix(table_data, ARCH_TIMER_S_EL1_IRQ + 16, 4);
+    build_append_int_noprefix(table_data, ARCH_TIMER_S_EL1_IRQ, 4);
     /* Secure EL1 timer Flags */
     build_append_int_noprefix(table_data, irqflags, 4);
     /* Non-Secure EL1 timer GSIV */
-    build_append_int_noprefix(table_data, ARCH_TIMER_NS_EL1_IRQ + 16, 4);
+    build_append_int_noprefix(table_data, ARCH_TIMER_NS_EL1_IRQ, 4);
     /* Non-Secure EL1 timer Flags */
     build_append_int_noprefix(table_data, irqflags |
                               1UL << 2, /* Always-on Capability */
                               4);
     /* Virtual timer GSIV */
-    build_append_int_noprefix(table_data, ARCH_TIMER_VIRT_IRQ + 16, 4);
+    build_append_int_noprefix(table_data, ARCH_TIMER_VIRT_IRQ, 4);
     /* Virtual Timer Flags */
     build_append_int_noprefix(table_data, irqflags, 4);
     /* Non-Secure EL2 timer GSIV */
-    build_append_int_noprefix(table_data, ARCH_TIMER_NS_EL2_IRQ + 16, 4);
+    build_append_int_noprefix(table_data, ARCH_TIMER_NS_EL2_IRQ, 4);
     /* Non-Secure EL2 timer Flags */
     build_append_int_noprefix(table_data, irqflags, 4);
     /* CntReadBase Physical address */
@@ -729,9 +729,9 @@ build_madt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
     for (i = 0; i < MACHINE(vms)->smp.cpus; i++) {
         ARMCPU *armcpu = ARM_CPU(qemu_get_cpu(i));
         uint64_t physical_base_address = 0, gich = 0, gicv = 0;
-        uint32_t vgic_interrupt = vms->virt ? PPI(ARCH_GIC_MAINT_IRQ) : 0;
+        uint32_t vgic_interrupt = vms->virt ? ARCH_GIC_MAINT_IRQ : 0;
         uint32_t pmu_interrupt = arm_feature(&armcpu->env, ARM_FEATURE_PMU) ?
-                                             PPI(VIRTUAL_PMU_IRQ) : 0;
+                                             VIRTUAL_PMU_IRQ : 0;
 
         if (vms->gic_version == VIRT_GIC_VERSION_2) {
             physical_base_address = memmap[VIRT_GIC_CPU].base;
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 15e74249f9..ebc9f3fdb1 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -366,10 +366,14 @@ static void fdt_add_timer_nodes(const VirtMachineState *vms)
     }
     qemu_fdt_setprop(ms->fdt, "/timer", "always-on", NULL, 0);
     qemu_fdt_setprop_cells(ms->fdt, "/timer", "interrupts",
-                       GIC_FDT_IRQ_TYPE_PPI, ARCH_TIMER_S_EL1_IRQ, irqflags,
-                       GIC_FDT_IRQ_TYPE_PPI, ARCH_TIMER_NS_EL1_IRQ, irqflags,
-                       GIC_FDT_IRQ_TYPE_PPI, ARCH_TIMER_VIRT_IRQ, irqflags,
-                       GIC_FDT_IRQ_TYPE_PPI, ARCH_TIMER_NS_EL2_IRQ, irqflags);
+                           GIC_FDT_IRQ_TYPE_PPI,
+                           INTID_TO_PPI(ARCH_TIMER_S_EL1_IRQ), irqflags,
+                           GIC_FDT_IRQ_TYPE_PPI,
+                           INTID_TO_PPI(ARCH_TIMER_NS_EL1_IRQ), irqflags,
+                           GIC_FDT_IRQ_TYPE_PPI,
+                           INTID_TO_PPI(ARCH_TIMER_VIRT_IRQ), irqflags,
+                           GIC_FDT_IRQ_TYPE_PPI,
+                           INTID_TO_PPI(ARCH_TIMER_NS_EL2_IRQ), irqflags);
 }
 
 static void fdt_add_cpu_nodes(const VirtMachineState *vms)
@@ -800,7 +804,7 @@ static void create_gic(VirtMachineState *vms, MemoryRegion *mem)
      */
     for (i = 0; i < smp_cpus; i++) {
         DeviceState *cpudev = DEVICE(qemu_get_cpu(i));
-        int ppibase = NUM_IRQS + i * GIC_INTERNAL + GIC_NR_SGIS;
+        int intidbase = NUM_IRQS + i * GIC_INTERNAL;
         /* Mapping from the output timer irq lines from the CPU to the
          * GIC PPI inputs we use for the virt board.
          */
@@ -814,22 +818,22 @@ static void create_gic(VirtMachineState *vms, MemoryRegion *mem)
         for (unsigned irq = 0; irq < ARRAY_SIZE(timer_irq); irq++) {
             qdev_connect_gpio_out(cpudev, irq,
                                   qdev_get_gpio_in(vms->gic,
-                                                   ppibase + timer_irq[irq]));
+                                                   intidbase + timer_irq[irq]));
         }
 
         if (vms->gic_version != VIRT_GIC_VERSION_2) {
             qemu_irq irq = qdev_get_gpio_in(vms->gic,
-                                            ppibase + ARCH_GIC_MAINT_IRQ);
+                                            intidbase + ARCH_GIC_MAINT_IRQ);
             qdev_connect_gpio_out_named(cpudev, "gicv3-maintenance-interrupt",
                                         0, irq);
         } else if (vms->virt) {
             qemu_irq irq = qdev_get_gpio_in(vms->gic,
-                                            ppibase + ARCH_GIC_MAINT_IRQ);
+                                            intidbase + ARCH_GIC_MAINT_IRQ);
             sysbus_connect_irq(gicbusdev, i + 4 * smp_cpus, irq);
         }
 
         qdev_connect_gpio_out_named(cpudev, "pmu-interrupt", 0,
-                                    qdev_get_gpio_in(vms->gic, ppibase
+                                    qdev_get_gpio_in(vms->gic, intidbase
                                                      + VIRTUAL_PMU_IRQ));
 
         sysbus_connect_irq(gicbusdev, i, qdev_get_gpio_in(cpudev, ARM_CPU_IRQ));
@@ -1989,7 +1993,7 @@ static void virt_cpu_post_init(VirtMachineState *vms, MemoryRegion *sysmem)
             if (pmu) {
                 assert(arm_feature(&ARM_CPU(cpu)->env, ARM_FEATURE_PMU));
                 if (kvm_irqchip_in_kernel()) {
-                    kvm_arm_pmu_set_irq(cpu, PPI(VIRTUAL_PMU_IRQ));
+                    kvm_arm_pmu_set_irq(cpu, VIRTUAL_PMU_IRQ);
                 }
                 kvm_arm_pmu_init(cpu);
             }
diff --git a/hw/misc/bcm2835_property.c b/hw/misc/bcm2835_property.c
index 4ed9faa54a..ff55a4e2cd 100644
--- a/hw/misc/bcm2835_property.c
+++ b/hw/misc/bcm2835_property.c
@@ -12,7 +12,7 @@
 #include "migration/vmstate.h"
 #include "hw/irq.h"
 #include "hw/misc/bcm2835_mbox_defs.h"
-#include "hw/misc/raspberrypi-fw-defs.h"
+#include "hw/arm/raspberrypi-fw-defs.h"
 #include "sysemu/dma.h"
 #include "qemu/log.h"
 #include "qemu/module.h"
diff --git a/hw/nvram/xlnx-bbram.c b/hw/nvram/xlnx-bbram.c
index c6b484cc85..e18e7770e1 100644
--- a/hw/nvram/xlnx-bbram.c
+++ b/hw/nvram/xlnx-bbram.c
@@ -2,6 +2,7 @@
  * QEMU model of the Xilinx BBRAM Battery Backed RAM
  *
  * Copyright (c) 2014-2021 Xilinx Inc.
+ * Copyright (c) 2023 Advanced Micro Devices, Inc.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -416,9 +417,9 @@ static RegisterAccessInfo bbram_ctrl_regs_info[] = {
     }
 };
 
-static void bbram_ctrl_reset(DeviceState *dev)
+static void bbram_ctrl_reset_hold(Object *obj)
 {
-    XlnxBBRam *s = XLNX_BBRAM(dev);
+    XlnxBBRam *s = XLNX_BBRAM(obj);
     unsigned int i;
 
     for (i = 0; i < ARRAY_SIZE(s->regs_info); ++i) {
@@ -522,8 +523,9 @@ static Property bbram_ctrl_props[] = {
 static void bbram_ctrl_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
+    ResettableClass *rc = RESETTABLE_CLASS(klass);
 
-    dc->reset = bbram_ctrl_reset;
+    rc->phases.hold = bbram_ctrl_reset_hold;
     dc->realize = bbram_ctrl_realize;
     dc->vmsd = &vmstate_bbram_ctrl;
     device_class_set_props(dc, bbram_ctrl_props);
diff --git a/hw/nvram/xlnx-versal-efuse-ctrl.c b/hw/nvram/xlnx-versal-efuse-ctrl.c
index b35ba65ab5..beb5661c35 100644
--- a/hw/nvram/xlnx-versal-efuse-ctrl.c
+++ b/hw/nvram/xlnx-versal-efuse-ctrl.c
@@ -2,6 +2,7 @@
  * QEMU model of the Versal eFuse controller
  *
  * Copyright (c) 2020 Xilinx Inc.
+ * Copyright (c) 2023 Advanced Micro Devices, Inc.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -657,9 +658,9 @@ static void efuse_ctrl_register_reset(RegisterInfo *reg)
     register_reset(reg);
 }
 
-static void efuse_ctrl_reset(DeviceState *dev)
+static void efuse_ctrl_reset_hold(Object *obj)
 {
-    XlnxVersalEFuseCtrl *s = XLNX_VERSAL_EFUSE_CTRL(dev);
+    XlnxVersalEFuseCtrl *s = XLNX_VERSAL_EFUSE_CTRL(obj);
     unsigned int i;
 
     for (i = 0; i < ARRAY_SIZE(s->regs_info); ++i) {
@@ -749,8 +750,9 @@ static Property efuse_ctrl_props[] = {
 static void efuse_ctrl_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
+    ResettableClass *rc = RESETTABLE_CLASS(klass);
 
-    dc->reset = efuse_ctrl_reset;
+    rc->phases.hold = efuse_ctrl_reset_hold;
     dc->realize = efuse_ctrl_realize;
     dc->vmsd = &vmstate_efuse_ctrl;
     device_class_set_props(dc, efuse_ctrl_props);
diff --git a/hw/nvram/xlnx-zynqmp-efuse.c b/hw/nvram/xlnx-zynqmp-efuse.c
index 228ba0bbfa..3db5f98ec1 100644
--- a/hw/nvram/xlnx-zynqmp-efuse.c
+++ b/hw/nvram/xlnx-zynqmp-efuse.c
@@ -2,6 +2,7 @@
  * QEMU model of the ZynqMP eFuse
  *
  * Copyright (c) 2015 Xilinx Inc.
+ * Copyright (c) 2023 Advanced Micro Devices, Inc.
  *
  * Written by Edgar E. Iglesias <edgari@xilinx.com>
  *
@@ -769,9 +770,9 @@ static void zynqmp_efuse_register_reset(RegisterInfo *reg)
     register_reset(reg);
 }
 
-static void zynqmp_efuse_reset(DeviceState *dev)
+static void zynqmp_efuse_reset_hold(Object *obj)
 {
-    XlnxZynqMPEFuse *s = XLNX_ZYNQMP_EFUSE(dev);
+    XlnxZynqMPEFuse *s = XLNX_ZYNQMP_EFUSE(obj);
     unsigned int i;
 
     for (i = 0; i < ARRAY_SIZE(s->regs_info); ++i) {
@@ -837,8 +838,9 @@ static Property zynqmp_efuse_props[] = {
 static void zynqmp_efuse_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
+    ResettableClass *rc = RESETTABLE_CLASS(klass);
 
-    dc->reset = zynqmp_efuse_reset;
+    rc->phases.hold = zynqmp_efuse_reset_hold;
     dc->realize = zynqmp_efuse_realize;
     dc->vmsd = &vmstate_efuse;
     device_class_set_props(dc, zynqmp_efuse_props);
diff --git a/hw/timer/npcm7xx_timer.c b/hw/timer/npcm7xx_timer.c
index 32f5e021f8..a8bd93aeb2 100644
--- a/hw/timer/npcm7xx_timer.c
+++ b/hw/timer/npcm7xx_timer.c
@@ -138,6 +138,9 @@ static int64_t npcm7xx_timer_count_to_ns(NPCM7xxTimer *t, uint32_t count)
 /* Convert a time interval in nanoseconds to a timer cycle count. */
 static uint32_t npcm7xx_timer_ns_to_count(NPCM7xxTimer *t, int64_t ns)
 {
+    if (ns < 0) {
+        return 0;
+    }
     return clock_ns_to_ticks(t->ctrl->clock, ns) /
         npcm7xx_tcsr_prescaler(t->tcsr);
 }