diff --git a/src/ethosu_driver.c b/src/ethosu_driver.c
index 4c1b100..84488e5 100644
--- a/src/ethosu_driver.c
+++ b/src/ethosu_driver.c
@@ -147,30 +147,51 @@
 };
 
 /******************************************************************************
- * Functions
+ * Variables
  ******************************************************************************/
 
-struct ethosu_driver ethosu_drv = {
-    .dev = {.base_address = NULL, .proto = 0, .pmccntr = {0}, .pmu_evcntr = {0, 0, 0, 0}, .pmu_evtypr = {0, 0, 0, 0}},
-    .abort_inference     = false,
-    .status_error        = false,
-    .dev_power_always_on = false};
-
 // Registered drivers linked list HEAD
 static struct ethosu_driver *registered_drivers = NULL;
 
-/*
- * Following section handles the minimal sempahore and mutex implementation in case of baremetal applications.
- * Weak symbols will be overwritten by RTOS definitions and implement true thread-safety. (Done in application layer)
- */
+/******************************************************************************
+ * Weak functions - Cache
+ *
+ * Default NOP operations. Override if available on the targeted device.
+ ******************************************************************************/
 
-// Baremetal sempahore implementation
+/*
+ * Flush/clean the data cache by address and size. Passing NULL as p argument
+ * expects the whole cache to be flushed.
+ */
+void __attribute__((weak)) ethosu_flush_dcache(uint32_t *p, size_t bytes)
+{
+    UNUSED(p);
+    UNUSED(bytes);
+}
+
+/*
+ * Invalidate the data cache by address and size. Passing NULL as p argument
+ * expects the whole cache to be invalidated.
+ */
+void __attribute__((weak)) ethosu_invalidate_dcache(uint32_t *p, size_t bytes)
+{
+    UNUSED(p);
+    UNUSED(bytes);
+}
+
+/******************************************************************************
+ * Weak functions - Semaphore/Mutex for multi NPU
+ *
+ * Following section handles the minimal sempahore and mutex implementation in
+ * case of baremetal applications. Weak symbols will be overridden by RTOS
+ * definitions and implement true thread-safety (in application layer).
+ ******************************************************************************/
+
 struct ethosu_semaphore_t
 {
     int count;
 };
 
-// Minimal needed declaration to allow baremetal functionality.
 static void *ethosu_mutex;
 static void *ethosu_semaphore;
 
@@ -215,39 +236,26 @@
     s->count++;
     __SEV();
 }
-// <--- End of semaphore and mutex implementations
 
-static int ethosu_soft_reset_and_restore(struct ethosu_driver *drv);
+/******************************************************************************
+ * Weak functions - Inference begin/end callbacks
+ ******************************************************************************/
 
-void __attribute__((weak)) ethosu_irq_handler(struct ethosu_driver *drv)
+void __attribute__((weak)) ethosu_inference_begin(struct ethosu_driver *drv, const void *inference_data)
 {
-    uint8_t irq_raised = 0;
-
-    LOG_DEBUG("Interrupt. status=0x%08x, qread=%d\n",
-              ethosu_read_reg(&drv->dev, NPU_REG_STATUS),
-              ethosu_read_reg(&drv->dev, NPU_REG_QREAD));
-
-    // Verify that interrupt has been raised
-    (void)ethosu_is_irq_raised(&drv->dev, &irq_raised);
-    assert(irq_raised == 1);
-    drv->irq_triggered = true;
-
-    // Clear interrupt
-    (void)ethosu_clear_irq_status(&drv->dev);
-
-    // Verify that interrupt has been successfully cleared
-    (void)ethosu_is_irq_raised(&drv->dev, &irq_raised);
-    assert(irq_raised == 0);
-
-    if (ethosu_status_has_error(&drv->dev))
-    {
-        ethosu_soft_reset_and_restore(drv);
-        drv->status_error = true;
-    }
-
-    ethosu_semaphore_give(drv->semaphore);
+    UNUSED(inference_data);
+    UNUSED(drv);
 }
 
+void __attribute__((weak)) ethosu_inference_end(struct ethosu_driver *drv, const void *inference_data)
+{
+    UNUSED(inference_data);
+    UNUSED(drv);
+}
+
+/******************************************************************************
+ * Static functions
+ ******************************************************************************/
 static inline void wait_for_irq(struct ethosu_driver *drv)
 {
     while (1)
@@ -262,31 +270,368 @@
     }
 }
 
-void __attribute__((weak)) ethosu_inference_begin(struct ethosu_driver *drv, const void *inference_data)
+static void npu_axi_init(struct ethosu_driver *drv)
 {
-    (void)inference_data;
-    (void)drv;
+    ethosu_dev_set_qconfig(&drv->dev, NPU_QCONFIG);
+
+    ethosu_dev_set_regioncfg(&drv->dev, 0, NPU_REGIONCFG_0);
+    ethosu_dev_set_regioncfg(&drv->dev, 1, NPU_REGIONCFG_1);
+    ethosu_dev_set_regioncfg(&drv->dev, 2, NPU_REGIONCFG_2);
+    ethosu_dev_set_regioncfg(&drv->dev, 3, NPU_REGIONCFG_3);
+    ethosu_dev_set_regioncfg(&drv->dev, 4, NPU_REGIONCFG_4);
+    ethosu_dev_set_regioncfg(&drv->dev, 5, NPU_REGIONCFG_5);
+    ethosu_dev_set_regioncfg(&drv->dev, 6, NPU_REGIONCFG_6);
+    ethosu_dev_set_regioncfg(&drv->dev, 7, NPU_REGIONCFG_7);
+
+    (void)ethosu_dev_set_axi_limit0(&drv->dev,
+                                    AXI_LIMIT0_MAX_BEATS_BYTES,
+                                    AXI_LIMIT0_MEM_TYPE,
+                                    AXI_LIMIT0_MAX_OUTSTANDING_READS,
+                                    AXI_LIMIT0_MAX_OUTSTANDING_WRITES);
+    (void)ethosu_dev_set_axi_limit1(&drv->dev,
+                                    AXI_LIMIT1_MAX_BEATS_BYTES,
+                                    AXI_LIMIT1_MEM_TYPE,
+                                    AXI_LIMIT1_MAX_OUTSTANDING_READS,
+                                    AXI_LIMIT1_MAX_OUTSTANDING_WRITES);
+    (void)ethosu_dev_set_axi_limit2(&drv->dev,
+                                    AXI_LIMIT2_MAX_BEATS_BYTES,
+                                    AXI_LIMIT2_MEM_TYPE,
+                                    AXI_LIMIT2_MAX_OUTSTANDING_READS,
+                                    AXI_LIMIT2_MAX_OUTSTANDING_WRITES);
+    (void)ethosu_dev_set_axi_limit3(&drv->dev,
+                                    AXI_LIMIT3_MAX_BEATS_BYTES,
+                                    AXI_LIMIT3_MEM_TYPE,
+                                    AXI_LIMIT3_MAX_OUTSTANDING_READS,
+                                    AXI_LIMIT3_MAX_OUTSTANDING_WRITES);
 }
 
-void __attribute__((weak)) ethosu_inference_end(struct ethosu_driver *drv, const void *inference_data)
+static void ethosu_register_driver(struct ethosu_driver *drv)
 {
-    (void)inference_data;
-    (void)drv;
+    // Register driver as new HEAD of list
+    drv->next          = registered_drivers;
+    registered_drivers = drv;
+
+    LOG_INFO("New NPU driver registered (handle: 0x%p, NPU: 0x%x)", drv, drv->dev.base_address);
 }
 
-static int handle_optimizer_config(struct ethosu_driver *drv, struct opt_cfg_s *opt_cfg_p);
+static int ethosu_deregister_driver(struct ethosu_driver *drv)
+{
+    struct ethosu_driver *cur   = registered_drivers;
+    struct ethosu_driver **prev = &registered_drivers;
+
+    while (cur != NULL)
+    {
+        if (cur == drv)
+        {
+            *prev = cur->next;
+            LOG_INFO("NPU driver handle %p deregistered.", drv);
+            return 0;
+        }
+
+        prev = &cur->next;
+        cur  = cur->next;
+    }
+
+    LOG_ERR("No NPU driver handle registered at address %p.", drv);
+
+    return -1;
+}
+
+static struct ethosu_driver *ethosu_find_and_reserve_driver(void)
+{
+    struct ethosu_driver *drv = registered_drivers;
+
+    while (drv != NULL)
+    {
+        if (!drv->reserved)
+        {
+            drv->reserved = true;
+            LOG_DEBUG("NPU driver handle %p reserved.", drv);
+            return drv;
+        }
+        drv = drv->next;
+    }
+
+    LOG_DEBUG("No NPU driver handle available.", drv);
+
+    return NULL;
+}
+
+static int ethosu_soft_reset_and_restore(struct ethosu_driver *drv)
+{
+
+    if (ETHOSU_SUCCESS != ethosu_dev_soft_reset(&drv->dev))
+    {
+        return -1;
+    }
+
+    set_clock_and_power_request(drv, ETHOSU_INFERENCE_REQUEST, ETHOSU_CLOCK_Q_ENABLE, ETHOSU_POWER_Q_DISABLE);
+
+    npu_axi_init(drv);
+    ethosu_dev_restore_pmu_config(&drv->dev);
+
+    return 0;
+}
+
+static int handle_optimizer_config(struct ethosu_driver *drv, struct opt_cfg_s *opt_cfg_p)
+{
+    struct ethosu_config cfg;
+    struct ethosu_id id;
+    int return_code = 0;
+
+    LOG_INFO("Optimizer release nbr: %d patch: %d", opt_cfg_p->da_data.rel_nbr, opt_cfg_p->da_data.patch_nbr);
+    LOG_INFO("Optimizer config cmd_stream_version: %d macs_per_cc: %d shram_size: %d custom_dma: %d",
+             opt_cfg_p->cmd_stream_version,
+             opt_cfg_p->macs_per_cc,
+             opt_cfg_p->shram_size,
+             opt_cfg_p->custom_dma);
+    LOG_INFO("Optimizer config Ethos-U version: %d.%d.%d",
+             opt_cfg_p->arch_major_rev,
+             opt_cfg_p->arch_minor_rev,
+             opt_cfg_p->arch_patch_rev);
+
+    (void)ethosu_dev_get_config(&drv->dev, &cfg);
+    (void)ethosu_dev_get_id(&drv->dev, &id);
+    LOG_INFO("Ethos-U config cmd_stream_version: %" PRIu32 " macs_per_cc: %" PRIu32 " shram_size: %" PRIu32
+             " custom_dma: %" PRIu32 "",
+             cfg.cmd_stream_version,
+             cfg.macs_per_cc,
+             cfg.shram_size,
+             cfg.custom_dma);
+    LOG_INFO("Ethos-U version: %" PRIu32 ".%" PRIu32 ".%" PRIu32 "",
+             id.arch_major_rev,
+             id.arch_minor_rev,
+             id.arch_patch_rev);
+
+    if ((cfg.macs_per_cc != opt_cfg_p->macs_per_cc) || (cfg.shram_size != opt_cfg_p->shram_size) ||
+        (cfg.cmd_stream_version != opt_cfg_p->cmd_stream_version) || (!cfg.custom_dma && opt_cfg_p->custom_dma))
+    {
+        if (cfg.macs_per_cc != opt_cfg_p->macs_per_cc)
+        {
+            LOG_ERR("NPU config mismatch: npu.macs_per_cc=%" PRIu32 " optimizer.macs_per_cc=%d",
+                    cfg.macs_per_cc,
+                    opt_cfg_p->macs_per_cc);
+        }
+        if (cfg.shram_size != opt_cfg_p->shram_size)
+        {
+            LOG_ERR("NPU config mismatch: npu.shram_size=%" PRIu32 " optimizer.shram_size=%d",
+                    cfg.shram_size,
+                    opt_cfg_p->shram_size);
+        }
+        if (cfg.cmd_stream_version != opt_cfg_p->cmd_stream_version)
+        {
+            LOG_ERR("NPU config mismatch: npu.cmd_stream_version=%" PRIu32 " optimizer.cmd_stream_version=%d",
+                    cfg.cmd_stream_version,
+                    opt_cfg_p->cmd_stream_version);
+        }
+        if (!cfg.custom_dma && opt_cfg_p->custom_dma)
+        {
+            LOG_ERR("NPU config mismatch: npu.custom_dma=%" PRIu32 " optimize.custom_dma=%d",
+                    cfg.custom_dma,
+                    opt_cfg_p->custom_dma);
+        }
+        return_code = -1;
+    }
+
+    if ((id.arch_major_rev != opt_cfg_p->arch_major_rev) || (id.arch_minor_rev < opt_cfg_p->arch_minor_rev))
+    {
+        LOG_ERR("NPU arch mismatch: npu.arch=%" PRIu32 ".%" PRIu32 ".%" PRIu32 " optimizer.arch=%d.%d.%d",
+                id.arch_major_rev,
+                id.arch_minor_rev,
+                id.arch_patch_rev,
+                opt_cfg_p->arch_major_rev,
+                opt_cfg_p->arch_minor_rev,
+                opt_cfg_p->arch_patch_rev);
+        return_code = -1;
+    }
+
+#if !defined(LOG_ENABLED)
+    UNUSED(opt_cfg_p);
+#endif
+    return return_code;
+}
+
 static int handle_command_stream(struct ethosu_driver *drv,
                                  const uint8_t *cmd_stream,
                                  const int cms_length,
                                  const uint64_t *base_addr,
                                  const size_t *base_addr_size,
-                                 const int num_base_addr);
-static int read_apb_reg(struct ethosu_driver *drv, uint16_t);
-static int dump_shram(struct ethosu_driver *drv);
-static void dump_npu_register(struct ethosu_driver *drv, int npu_reg, int npu_reg_end);
-static void dump_command_stream(const uint32_t *cmd_stream, const int cms_length, int qread);
-static void npu_axi_init(struct ethosu_driver *drv);
-static struct ethosu_driver *ethosu_find_and_reserve_driver(void);
+                                 const int num_base_addr)
+{
+    uint32_t qread           = 0;
+    uint32_t cms_bytes       = cms_length * BYTES_IN_32_BITS;
+    ptrdiff_t cmd_stream_ptr = (ptrdiff_t)cmd_stream;
+
+    LOG_INFO("handle_command_stream: cmd_stream=%p, cms_length %d", cmd_stream, cms_length);
+
+    if (0 != ((ptrdiff_t)cmd_stream & MASK_16_BYTE_ALIGN))
+    {
+        LOG_ERR("Command stream addr %p not aligned to 16 bytes", cmd_stream);
+        return -1;
+    }
+
+    bool base_addr_invalid = false;
+    for (int i = 0; i < num_base_addr; i++)
+    {
+        if (0 != (base_addr[i] & MASK_16_BYTE_ALIGN))
+        {
+            LOG_ERR("Base addr %d: 0x%llx not aligned to 16 bytes", i, base_addr[i]);
+            base_addr_invalid = true;
+        }
+    }
+
+    if (base_addr_invalid)
+    {
+        return -1;
+    }
+
+    /* Flush the cache if available on our CPU.
+     * The upcasting to uin32_t* is ok since the pointer never is dereferenced.
+     * The base_addr_size is null if invoking from prior to invoke_V2, in that case
+     * the whole cache is being flushed.
+     */
+
+    if (base_addr_size != NULL)
+    {
+        ethosu_flush_dcache((uint32_t *)cmd_stream_ptr, cms_bytes);
+        for (int i = 0; i < num_base_addr; i++)
+        {
+            ethosu_flush_dcache((uint32_t *)(uintptr_t)base_addr[i], base_addr_size[i]);
+        }
+    }
+    else
+    {
+        ethosu_flush_dcache(NULL, 0);
+    }
+
+    if (ETHOSU_SUCCESS != ethosu_dev_run_command_stream(&drv->dev, cmd_stream, cms_bytes, base_addr, num_base_addr))
+    {
+        return -1;
+    }
+
+    wait_for_irq(drv);
+
+    if (drv->status_error)
+    {
+        return -1;
+    }
+
+    if (base_addr_size != NULL)
+    {
+        for (int i = 0; i < num_base_addr; i++)
+        {
+            ethosu_invalidate_dcache((uint32_t *)(uintptr_t)base_addr[i], base_addr_size[i]);
+        }
+    }
+    else
+    {
+        ethosu_invalidate_dcache(NULL, 0);
+    }
+
+    qread = ethosu_dev_get_qread(&drv->dev);
+    if (qread != cms_bytes)
+    {
+        LOG_WARN("IRQ received but qread (%" PRIu32 ") not at end of stream (%" PRIu32 ").", qread, cms_bytes);
+        return -1;
+    }
+
+    return 0;
+}
+
+static int read_apb_reg(struct ethosu_driver *drv, uint16_t da_data)
+{
+    uint32_t *reg_p;
+    uint32_t start_address = (uint32_t)(da_data & APB_START_ADDR_MASK);
+    uint16_t num_reg       = (da_data >> APB_NUM_REG_BIT_SHIFT) + 1;
+
+    reg_p = (uint32_t *)malloc(num_reg * sizeof(uint32_t));
+    if (reg_p == NULL)
+    {
+        LOG_ERR("Memory allocation failed");
+        return -1;
+    }
+
+    if (ETHOSU_SUCCESS == ethosu_dev_read_apb_reg(&drv->dev, start_address, num_reg, reg_p))
+    {
+        for (int i = 0; i < num_reg; i++)
+        {
+            LOG_INFO(
+                "NPU_REG ADDR 0x%04" PRIu32 " = 0x%08" PRIu32 "", (start_address + (i * BYTES_IN_32_BITS)), reg_p[i]);
+        }
+    }
+    else
+    {
+        free(reg_p);
+        return -1;
+    }
+
+    free(reg_p);
+    return 0;
+}
+
+static int dump_shram(struct ethosu_driver *drv)
+{
+    struct ethosu_config cfg;
+    uint32_t *shram_p;
+    (void)ethosu_dev_get_config(&drv->dev, &cfg);
+
+    LOG_INFO("dump_shram size = %" PRIu32 " KB", cfg.shram_size);
+
+    shram_p = (uint32_t *)malloc(BYTES_1KB);
+    if (shram_p == NULL)
+    {
+        LOG_ERR("Memory allocation failed for shram data");
+        return -1;
+    }
+
+    for (uint32_t i = 0; i < cfg.shram_size; i++)
+    {
+        ethosu_dev_get_shram_data(&drv->dev, i, (uint32_t *)shram_p);
+        // Output 1KB of SHRAM
+        LOG_INFO("***SHRAM SECTION %" PRIu32 "***", i);
+        for (int j = 0; j < (BYTES_1KB / BYTES_IN_32_BITS); j++)
+        {
+            LOG_INFO("[0x%04" PRIx32 "] %" PRIx32 "", (i * 1024 + j * 4), shram_p[j]);
+        }
+    }
+    free(shram_p);
+
+    return 0;
+}
+
+/******************************************************************************
+ * Weak functions - Interrupt handler
+ ******************************************************************************/
+void __attribute__((weak)) ethosu_irq_handler(struct ethosu_driver *drv)
+{
+    uint8_t irq_raised = 0;
+
+    LOG_DEBUG("Interrupt. status=0x%08x, qread=%d", ethosu_dev_get_status(&drv->dev), ethosu_dev_get_qread(&drv->dev));
+
+    // Verify that interrupt has been raised
+    (void)ethosu_dev_is_irq_raised(&drv->dev, &irq_raised);
+    assert(irq_raised == 1);
+    drv->irq_triggered = true;
+
+    // Clear interrupt
+    (void)ethosu_dev_clear_irq_status(&drv->dev);
+
+    // Verify that interrupt has been successfully cleared
+    (void)ethosu_dev_is_irq_raised(&drv->dev, &irq_raised);
+    assert(irq_raised == 0);
+
+    if (ethosu_dev_status_has_error(&drv->dev))
+    {
+        ethosu_soft_reset_and_restore(drv);
+        drv->status_error = true;
+    }
+
+    ethosu_semaphore_give(drv->semaphore);
+}
+
+/******************************************************************************
+ * Functions API
+ ******************************************************************************/
 
 int ethosu_init(struct ethosu_driver *drv,
                 const void *base_address,
@@ -297,8 +642,8 @@
 {
     int return_code = 0;
 
-    LOG_INFO("%s. base_address=%p, fast_memory=%p, fast_memory_size=%zu, secure=%" PRIu32 ", privileged=%" PRIu32 "\n",
-             __FUNCTION__,
+    LOG_INFO("Initializing NPU: base_address=%p, fast_memory=%p, fast_memory_size=%zu, secure=%" PRIu32
+             ", privileged=%" PRIu32,
              base_address,
              fast_memory,
              fast_memory_size,
@@ -315,8 +660,6 @@
         ethosu_semaphore = ethosu_semaphore_create();
     }
 
-    ethosu_register_driver(drv);
-
     drv->fast_memory      = (uint32_t)fast_memory;
     drv->fast_memory_size = fast_memory_size;
     drv->irq_triggered    = false;
@@ -324,65 +667,49 @@
 
     if (ETHOSU_SUCCESS != ethosu_dev_init(&drv->dev, base_address, secure_enable, privilege_enable))
     {
-        LOG_ERR("Failed in ethosu_dev_init");
+        LOG_ERR("Failed to initialize Ethos-U device");
         return -1;
     }
 
     if (ETHOSU_SUCCESS !=
         set_clock_and_power_request(drv, ETHOSU_INFERENCE_REQUEST, ETHOSU_CLOCK_Q_DISABLE, ETHOSU_POWER_Q_DISABLE))
     {
-        LOG_ERR("Failed to disable clock-q & power-q for Ethos-U\n");
+        LOG_ERR("Failed to disable clock-q & power-q for Ethos-U");
         return -1;
     }
 
-    if (ETHOSU_SUCCESS != ethosu_soft_reset(&drv->dev))
+    if (ETHOSU_SUCCESS != ethosu_dev_soft_reset(&drv->dev))
     {
         return -1;
     }
 
-    if (ETHOSU_SUCCESS != ethosu_wait_for_reset(&drv->dev))
+    if (ETHOSU_SUCCESS != ethosu_dev_wait_for_reset(&drv->dev))
     {
-        LOG_ERR("Failed reset of Ethos-U\n");
+        LOG_ERR("Failed reset of Ethos-U");
         return -1;
     }
 
     drv->status_error = false;
 
+    ethosu_register_driver(drv);
+
     return return_code;
 }
 
-int ethosu_get_version(struct ethosu_driver *drv, struct ethosu_version *version)
+void ethosu_get_driver_version(struct ethosu_driver_version *ver)
 {
-    int return_code = 0;
+    assert(ver != NULL);
+    ver->major = ETHOSU_DRIVER_VERSION_MAJOR;
+    ver->minor = ETHOSU_DRIVER_VERSION_MINOR;
+    ver->patch = ETHOSU_DRIVER_VERSION_PATCH;
+}
 
-    if (NULL != version)
-    {
-        struct ethosu_id id;
-        struct ethosu_config cfg;
-        (void)ethosu_get_id(&drv->dev, &id);
-        (void)ethosu_get_config(&drv->dev, &cfg);
+void ethosu_get_hw_info(struct ethosu_driver *drv, struct ethosu_hw_info *hw)
+{
+    assert(hw != NULL);
 
-        version->id.version_status      = id.version_status;
-        version->id.version_minor       = id.version_minor;
-        version->id.version_major       = id.version_major;
-        version->id.product_major       = id.product_major;
-        version->id.arch_patch_rev      = id.arch_patch_rev;
-        version->id.arch_minor_rev      = id.arch_minor_rev;
-        version->id.arch_major_rev      = id.arch_major_rev;
-        version->id.driver_patch_rev    = ETHOSU_DRIVER_VERSION_PATCH;
-        version->id.driver_minor_rev    = ETHOSU_DRIVER_VERSION_MINOR;
-        version->id.driver_major_rev    = ETHOSU_DRIVER_VERSION_MAJOR;
-        version->cfg.macs_per_cc        = cfg.macs_per_cc;
-        version->cfg.cmd_stream_version = cfg.cmd_stream_version;
-        version->cfg.shram_size         = cfg.shram_size;
-        version->cfg.custom_dma         = cfg.custom_dma;
-    }
-    else
-    {
-        return_code = -1;
-    }
-
-    return return_code;
+    (void)ethosu_dev_get_id(&drv->dev, &hw->version);
+    (void)ethosu_dev_get_config(&drv->dev, &hw->cfg);
 }
 
 int ethosu_invoke(struct ethosu_driver *drv,
@@ -396,19 +723,17 @@
     const struct custom_data_s *data_end = custom_data_ptr + custom_data_size;
     int return_code                      = 0;
 
-    LOG_INFO("%s\n", __FUNCTION__);
-
     // First word in custom_data_ptr should contain "Custom Operator Payload 1"
     if (data_ptr->word != ETHOSU_FOURCC)
     {
-        LOG_ERR("Custom Operator Payload: %" PRIu32 " is not correct, expected %x\n", data_ptr->word, ETHOSU_FOURCC);
+        LOG_ERR("Custom Operator Payload: %" PRIu32 " is not correct, expected %x", data_ptr->word, ETHOSU_FOURCC);
         return -1;
     }
 
     // Custom data length must be a multiple of 32 bits
     if ((custom_data_size % BYTES_IN_32_BITS) != 0)
     {
-        LOG_ERR("ethosu_invoke ERROR custom_data_size=0x%x not a multiple of 4\n", custom_data_size);
+        LOG_ERR("custom_data_size=0x%x not a multiple of 4", custom_data_size);
         return -1;
     }
 
@@ -421,7 +746,7 @@
 
         if (base_addr_size != NULL && base_addr_size[FAST_MEMORY_BASE_ADDR_INDEX] > drv->fast_memory_size)
         {
-            LOG_ERR("Fast memory area too small. fast_memory_size=%u, base_addr_size=%u\n",
+            LOG_ERR("Fast memory area too small. fast_memory_size=%u, base_addr_size=%u",
                     drv->fast_memory_size,
                     base_addr_size[FAST_MEMORY_BASE_ADDR_INDEX]);
             return -1;
@@ -432,10 +757,10 @@
 
     if (!drv->dev_power_always_on)
     {
-        // Only soft reset if securty state or privilege level needs changing
-        if (drv->dev.proto != ethosu_read_reg(&drv->dev, NPU_REG_PROT))
+        // Only soft reset if security state or privilege level needs changing
+        if (ethosu_dev_prot_has_changed(&drv->dev))
         {
-            if (ETHOSU_SUCCESS != ethosu_soft_reset(&drv->dev))
+            if (ETHOSU_SUCCESS != ethosu_dev_soft_reset(&drv->dev))
             {
                 return -1;
             }
@@ -443,7 +768,7 @@
 
         drv->status_error = false;
         set_clock_and_power_request(drv, ETHOSU_INFERENCE_REQUEST, ETHOSU_CLOCK_Q_ENABLE, ETHOSU_POWER_Q_DISABLE);
-        ethosu_restore_pmu_config(&drv->dev);
+        ethosu_dev_restore_pmu_config(&drv->dev);
         npu_axi_init(drv);
     }
 
@@ -456,14 +781,14 @@
         switch (data_ptr->driver_action_command)
         {
         case OPTIMIZER_CONFIG:
-            LOG_INFO("ethosu_invoke OPTIMIZER_CONFIG\n");
+            LOG_DEBUG("OPTIMIZER_CONFIG");
             struct opt_cfg_s *opt_cfg_p = (struct opt_cfg_s *)data_ptr;
 
             ret = handle_optimizer_config(drv, opt_cfg_p);
             data_ptr += DRIVER_ACTION_LENGTH_32_BIT_WORD + OPTIMIZER_CONFIG_LENGTH_32_BIT_WORD;
             break;
         case COMMAND_STREAM:
-            LOG_INFO("ethosu_invoke COMMAND_STREAM\n");
+            LOG_DEBUG("COMMAND_STREAM");
             void *command_stream = (uint8_t *)(data_ptr) + sizeof(struct custom_data_s);
             int cms_length       = (data_ptr->reserved << 16) | data_ptr->length;
 
@@ -475,33 +800,28 @@
 
             if (return_code == -1 && drv->abort_inference)
             {
-                uint32_t qread = 0;
-                ethosu_get_qread(&drv->dev, &qread);
-                LOG_ERR("NPU timeout\n");
-                dump_command_stream(command_stream, cms_length, qread);
-                dump_npu_register(drv, 0x200, 0x2BF);
-                dump_npu_register(drv, 0x800, 0xB3F);
+                LOG_ERR("NPU timeout. qread=%" PRIu32, ethosu_dev_get_qread(&drv->dev));
                 dump_shram(drv);
             }
 
             data_ptr += DRIVER_ACTION_LENGTH_32_BIT_WORD + cms_length;
             break;
         case READ_APB_REG:
-            LOG_INFO("ethosu_invoke READ_APB_REG\n");
+            LOG_DEBUG("READ_APB_REG");
             ret = read_apb_reg(drv, data_ptr->driver_action_data);
             data_ptr += DRIVER_ACTION_LENGTH_32_BIT_WORD;
             break;
         case DUMP_SHRAM:
-            LOG_INFO("ethosu_invoke DUMP_SHRAM\n");
+            LOG_DEBUG("DUMP_SHRAM");
             ret = dump_shram(drv);
             data_ptr += DRIVER_ACTION_LENGTH_32_BIT_WORD;
             break;
         case NOP:
-            LOG_INFO("ethosu_invoke NOP\n");
+            LOG_DEBUG("NOP");
             data_ptr += DRIVER_ACTION_LENGTH_32_BIT_WORD;
             break;
         default:
-            LOG_ERR("ethosu_invoke UNSUPPORTED driver_action_command %d \n", data_ptr->driver_action_command);
+            LOG_ERR("UNSUPPORTED driver_action_command: %d ", data_ptr->driver_action_command);
             ret = -1;
             break;
         }
@@ -515,7 +835,7 @@
 
     if (!drv->status_error && !drv->dev_power_always_on)
     {
-        ethosu_save_pmu_counters(&drv->dev);
+        ethosu_dev_save_pmu_counters(&drv->dev);
         set_clock_and_power_request(drv, ETHOSU_INFERENCE_REQUEST, ETHOSU_CLOCK_Q_ENABLE, ETHOSU_POWER_Q_ENABLE);
     }
 
@@ -537,53 +857,6 @@
     }
 }
 
-int ethosu_register_driver(struct ethosu_driver *drv)
-{
-    // Safeguard check for if driver is already registered
-    struct ethosu_driver *cur = registered_drivers;
-    while (cur != NULL)
-    {
-        if (cur == drv)
-        {
-            LOG_ERR("%s: NPU driver at address %p is already registered.\n", __FUNCTION__, drv);
-            return -1;
-        }
-        cur = cur->next;
-    }
-
-    drv->next = registered_drivers;
-    // Designate new registered driver HEAD
-    registered_drivers = drv;
-
-    LOG_INFO("%s: New NPU driver at address %p is registered.\n", __FUNCTION__, drv);
-    return 0;
-}
-
-int ethosu_deregister_driver(struct ethosu_driver *drv)
-{
-    struct ethosu_driver *cur   = registered_drivers;
-    struct ethosu_driver **prev = &registered_drivers;
-
-    while (cur != NULL)
-    {
-        if (cur == drv)
-        {
-            *prev = cur->next;
-            LOG_INFO("%s: NPU driver at address %p is deregistered.\n", __FUNCTION__, drv);
-            return 0;
-        }
-
-        prev = &cur->next;
-        cur  = cur->next;
-    }
-
-    LOG_ERR("%s: NPU driver at address %p does not match a registered driver and therefore may not be deregistered.\n",
-            __FUNCTION__,
-            drv);
-
-    return -1;
-}
-
 struct ethosu_driver *ethosu_reserve_driver(void)
 {
     struct ethosu_driver *drv = NULL;
@@ -599,7 +872,7 @@
             break;
         }
 
-        LOG_INFO("%s - Waiting for driver \n", __FUNCTION__);
+        LOG_INFO("Waiting for NPU driver handle to become available...");
         ethosu_semaphore_take(ethosu_semaphore);
 
     } while (1);
@@ -607,54 +880,18 @@
     return drv;
 }
 
-static struct ethosu_driver *ethosu_find_and_reserve_driver(void)
-{
-    struct ethosu_driver *drv = registered_drivers;
-
-    while (drv != NULL)
-    {
-        if (!drv->reserved)
-        {
-            drv->reserved = true;
-            LOG_INFO("%s - Driver %p reserved.\n", __FUNCTION__, drv);
-            return drv;
-        }
-        drv = drv->next;
-    }
-
-    LOG_INFO("%s: No available drivers.\n", __FUNCTION__, drv);
-
-    return NULL;
-}
-
 void ethosu_release_driver(struct ethosu_driver *drv)
 {
     ethosu_mutex_lock(ethosu_mutex);
     if (drv != NULL && drv->reserved)
     {
         drv->reserved = false;
-        LOG_INFO("%s - Driver %p released\n", __FUNCTION__, drv);
+        LOG_DEBUG("NPU driver handle %p released", drv);
         ethosu_semaphore_give(ethosu_semaphore);
     }
     ethosu_mutex_unlock(ethosu_mutex);
 }
 
-static int ethosu_soft_reset_and_restore(struct ethosu_driver *drv)
-{
-
-    if (ETHOSU_SUCCESS != ethosu_soft_reset(&drv->dev))
-    {
-        return -1;
-    }
-
-    set_clock_and_power_request(drv, ETHOSU_INFERENCE_REQUEST, ETHOSU_CLOCK_Q_ENABLE, ETHOSU_POWER_Q_DISABLE);
-
-    npu_axi_init(drv);
-    ethosu_restore_pmu_config(&drv->dev);
-
-    return 0;
-}
-
 enum ethosu_error_codes set_clock_and_power_request(struct ethosu_driver *drv,
                                                     enum ethosu_request_clients client,
                                                     enum ethosu_clock_q_request clock_request,
@@ -685,603 +922,7 @@
     power_request = drv->power_request == 0 ? ETHOSU_POWER_Q_ENABLE : ETHOSU_POWER_Q_DISABLE;
 
     // Set clock and power
-    enum ethosu_error_codes ret = ethosu_set_clock_and_power(&drv->dev, clock_request, power_request);
+    enum ethosu_error_codes ret = ethosu_dev_set_clock_and_power(&drv->dev, clock_request, power_request);
 
     return ret;
 }
-
-static int handle_optimizer_config(struct ethosu_driver *drv, struct opt_cfg_s *opt_cfg_p)
-{
-    struct ethosu_config cfg;
-    struct ethosu_id id;
-    int return_code = 0;
-
-    LOG_INFO("handle_optimizer_config:\n");
-    LOG_INFO("Optimizer release nbr: %d patch: %d\n", opt_cfg_p->da_data.rel_nbr, opt_cfg_p->da_data.patch_nbr);
-    LOG_INFO("Optimizer config cmd_stream_version: %d macs_per_cc: %d shram_size: %d custom_dma: %d\n",
-             opt_cfg_p->cmd_stream_version,
-             opt_cfg_p->macs_per_cc,
-             opt_cfg_p->shram_size,
-             opt_cfg_p->custom_dma);
-    LOG_INFO("Optimizer config Ethos-U version: %d.%d.%d\n",
-             opt_cfg_p->arch_major_rev,
-             opt_cfg_p->arch_minor_rev,
-             opt_cfg_p->arch_patch_rev);
-
-    (void)ethosu_get_config(&drv->dev, &cfg);
-    (void)ethosu_get_id(&drv->dev, &id);
-    LOG_INFO("Ethos-U config cmd_stream_version: %" PRIu32 " macs_per_cc: %" PRIu32 " shram_size: %" PRIu32
-             " custom_dma: %" PRIu32 "\n",
-             cfg.cmd_stream_version,
-             cfg.macs_per_cc,
-             cfg.shram_size,
-             cfg.custom_dma);
-    LOG_INFO("Ethos-U version: %" PRIu32 ".%" PRIu32 ".%" PRIu32 "\n",
-             id.arch_major_rev,
-             id.arch_minor_rev,
-             id.arch_patch_rev);
-
-    if ((cfg.macs_per_cc != opt_cfg_p->macs_per_cc) || (cfg.shram_size != opt_cfg_p->shram_size) ||
-        (cfg.cmd_stream_version != opt_cfg_p->cmd_stream_version) || (!cfg.custom_dma && opt_cfg_p->custom_dma))
-    {
-        if (cfg.macs_per_cc != opt_cfg_p->macs_per_cc)
-        {
-            LOG_ERR("NPU config mismatch: npu.macs_per_cc=%" PRIu32 " optimizer.macs_per_cc=%d\n",
-                    cfg.macs_per_cc,
-                    opt_cfg_p->macs_per_cc);
-        }
-        if (cfg.shram_size != opt_cfg_p->shram_size)
-        {
-            LOG_ERR("NPU config mismatch: npu.shram_size=%" PRIu32 " optimizer.shram_size=%d\n",
-                    cfg.shram_size,
-                    opt_cfg_p->shram_size);
-        }
-        if (cfg.cmd_stream_version != opt_cfg_p->cmd_stream_version)
-        {
-            LOG_ERR("NPU config mismatch: npu.cmd_stream_version=%" PRIu32 " optimizer.cmd_stream_version=%d\n",
-                    cfg.cmd_stream_version,
-                    opt_cfg_p->cmd_stream_version);
-        }
-        if (!cfg.custom_dma && opt_cfg_p->custom_dma)
-        {
-            LOG_ERR("NPU config mismatch: npu.custom_dma=%" PRIu32 " optimize.custom_dma=%d\n",
-                    cfg.custom_dma,
-                    opt_cfg_p->custom_dma);
-        }
-        return_code = -1;
-    }
-
-    if ((id.arch_major_rev != opt_cfg_p->arch_major_rev) || (id.arch_minor_rev < opt_cfg_p->arch_minor_rev))
-    {
-        LOG_ERR("NPU arch mismatch: npu.arch=%" PRIu32 ".%" PRIu32 ".%" PRIu32 " optimizer.arch=%d.%d.%d\n",
-                id.arch_major_rev,
-                id.arch_minor_rev,
-                id.arch_patch_rev,
-                opt_cfg_p->arch_major_rev,
-                opt_cfg_p->arch_minor_rev,
-                opt_cfg_p->arch_patch_rev);
-        return_code = -1;
-    }
-
-#if !defined(LOG_ENABLED)
-    UNUSED(opt_cfg_p);
-#endif
-    return return_code;
-}
-
-static void npu_axi_init(struct ethosu_driver *drv)
-{
-    ethosu_set_qconfig(&drv->dev, NPU_QCONFIG);
-
-    ethosu_set_regioncfg(&drv->dev, 0, NPU_REGIONCFG_0);
-    ethosu_set_regioncfg(&drv->dev, 1, NPU_REGIONCFG_1);
-    ethosu_set_regioncfg(&drv->dev, 2, NPU_REGIONCFG_2);
-    ethosu_set_regioncfg(&drv->dev, 3, NPU_REGIONCFG_3);
-    ethosu_set_regioncfg(&drv->dev, 4, NPU_REGIONCFG_4);
-    ethosu_set_regioncfg(&drv->dev, 5, NPU_REGIONCFG_5);
-    ethosu_set_regioncfg(&drv->dev, 6, NPU_REGIONCFG_6);
-    ethosu_set_regioncfg(&drv->dev, 7, NPU_REGIONCFG_7);
-
-    (void)ethosu_set_axi_limit0(&drv->dev,
-                                AXI_LIMIT0_MAX_BEATS_BYTES,
-                                AXI_LIMIT0_MEM_TYPE,
-                                AXI_LIMIT0_MAX_OUTSTANDING_READS,
-                                AXI_LIMIT0_MAX_OUTSTANDING_WRITES);
-    (void)ethosu_set_axi_limit1(&drv->dev,
-                                AXI_LIMIT1_MAX_BEATS_BYTES,
-                                AXI_LIMIT1_MEM_TYPE,
-                                AXI_LIMIT1_MAX_OUTSTANDING_READS,
-                                AXI_LIMIT1_MAX_OUTSTANDING_WRITES);
-    (void)ethosu_set_axi_limit2(&drv->dev,
-                                AXI_LIMIT2_MAX_BEATS_BYTES,
-                                AXI_LIMIT2_MEM_TYPE,
-                                AXI_LIMIT2_MAX_OUTSTANDING_READS,
-                                AXI_LIMIT2_MAX_OUTSTANDING_WRITES);
-    (void)ethosu_set_axi_limit3(&drv->dev,
-                                AXI_LIMIT3_MAX_BEATS_BYTES,
-                                AXI_LIMIT3_MEM_TYPE,
-                                AXI_LIMIT3_MAX_OUTSTANDING_READS,
-                                AXI_LIMIT3_MAX_OUTSTANDING_WRITES);
-}
-
-/* Default implementation to flush the data cache. Override if available on the targeted device.
- * Passing NULL as p argument expects the whole cache to be flushed.
- */
-void __attribute__((weak)) ethosu_flush_dcache(uint32_t *p, size_t bytes)
-{
-    (void)p;
-    (void)bytes;
-}
-
-/* Default implementation to invalidate the data cache. Override if available on the targeted device.
- * Passing NULL as p argument expects the whole cache to be flushed.
- */
-void __attribute__((weak)) ethosu_invalidate_dcache(uint32_t *p, size_t bytes)
-{
-    (void)p;
-    (void)bytes;
-}
-
-static int handle_command_stream(struct ethosu_driver *drv,
-                                 const uint8_t *cmd_stream,
-                                 const int cms_length,
-                                 const uint64_t *base_addr,
-                                 const size_t *base_addr_size,
-                                 const int num_base_addr)
-{
-    uint32_t qread           = 0;
-    uint32_t cms_bytes       = cms_length * BYTES_IN_32_BITS;
-    ptrdiff_t cmd_stream_ptr = (ptrdiff_t)cmd_stream;
-
-    LOG_INFO("handle_command_stream: cmd_stream=%p, cms_length %d\n", cmd_stream, cms_length);
-
-    if (0 != ((ptrdiff_t)cmd_stream & MASK_16_BYTE_ALIGN))
-    {
-        LOG_ERR("Error: Command stream addr %p not aligned to 16 bytes\n", cmd_stream);
-        return -1;
-    }
-
-    bool base_addr_invalid = false;
-    for (int i = 0; i < num_base_addr; i++)
-    {
-        if (0 != (base_addr[i] & MASK_16_BYTE_ALIGN))
-        {
-            LOG_ERR("Error: Base addr %d: 0x%llx not aligned to 16 bytes\n", i, base_addr[i]);
-            base_addr_invalid = true;
-        }
-    }
-
-    if (base_addr_invalid)
-    {
-        return -1;
-    }
-
-    /* Flush the cache if available on our CPU.
-     * The upcasting to uin32_t* is ok since the pointer never is dereferenced.
-     * The base_addr_size is null if invoking from prior to invoke_V2, in that case
-     * the whole cache is being flushed.
-     */
-
-    if (base_addr_size != NULL)
-    {
-        ethosu_flush_dcache((uint32_t *)cmd_stream_ptr, cms_bytes);
-        for (int i = 0; i < num_base_addr; i++)
-        {
-            ethosu_flush_dcache((uint32_t *)(uintptr_t)base_addr[i], base_addr_size[i]);
-        }
-    }
-    else
-    {
-        ethosu_flush_dcache(NULL, 0);
-    }
-
-    if (ETHOSU_SUCCESS != ethosu_run_command_stream(&drv->dev, cmd_stream, cms_bytes, base_addr, num_base_addr))
-    {
-        return -1;
-    }
-
-    wait_for_irq(drv);
-
-    if (drv->status_error)
-    {
-        return -1;
-    }
-
-    if (base_addr_size != NULL)
-    {
-        for (int i = 0; i < num_base_addr; i++)
-        {
-            ethosu_invalidate_dcache((uint32_t *)(uintptr_t)base_addr[i], base_addr_size[i]);
-        }
-    }
-    else
-    {
-        ethosu_invalidate_dcache(NULL, 0);
-    }
-
-    (void)ethosu_get_qread(&drv->dev, &qread);
-    if (qread != cms_bytes)
-    {
-        LOG_WARN(
-            "Failure: IRQ received but qread (%" PRIu32 ") not at end of stream (%" PRIu32 ").\n", qread, cms_bytes);
-        return -1;
-    }
-
-    return 0;
-}
-
-static int read_apb_reg(struct ethosu_driver *drv, uint16_t da_data)
-{
-    uint32_t *reg_p;
-    uint32_t start_address = (uint32_t)(da_data & APB_START_ADDR_MASK);
-    uint16_t num_reg       = (da_data >> APB_NUM_REG_BIT_SHIFT) + 1;
-
-    reg_p = (uint32_t *)malloc(num_reg * sizeof(uint32_t));
-    if (reg_p == NULL)
-    {
-        LOG_INFO("read_apb_reg, Error! memory not allocated.");
-        return -1;
-    }
-
-    if (ETHOSU_SUCCESS == ethosu_read_apb_reg(&drv->dev, start_address, num_reg, reg_p))
-    {
-        for (int i = 0; i < num_reg; i++)
-        {
-            LOG_INFO(
-                "NPU_REG ADDR 0x%04" PRIu32 " = 0x%08" PRIu32 "\n", (start_address + (i * BYTES_IN_32_BITS)), reg_p[i]);
-        }
-    }
-    else
-    {
-        free(reg_p);
-        return -1;
-    }
-
-    free(reg_p);
-    return 0;
-}
-
-static int dump_shram(struct ethosu_driver *drv)
-{
-    struct ethosu_config cfg;
-    uint32_t *shram_p;
-    (void)ethosu_get_config(&drv->dev, &cfg);
-
-    LOG_INFO("dump_shram size = %" PRIu32 " KB\n", cfg.shram_size);
-
-    shram_p = (uint32_t *)malloc(BYTES_1KB);
-    if (shram_p == NULL)
-    {
-        LOG_ERR("read_shram, Error! memory not allocated.");
-        return -1;
-    }
-
-    for (uint32_t i = 0; i < cfg.shram_size; i++)
-    {
-        ethosu_get_shram_data(&drv->dev, i, (uint32_t *)shram_p);
-        // Output 1KB of SHRAM
-        LOG_INFO("***SHRAM SECTION %" PRIu32 "***\n", i);
-        for (int j = 0; j < (BYTES_1KB / BYTES_IN_32_BITS); j++)
-        {
-            LOG_INFO("[0x%04" PRIx32 "] %" PRIx32 "\n", (i * 1024 + j * 4), shram_p[j]);
-        }
-    }
-    free(shram_p);
-
-    return 0;
-}
-
-typedef struct
-{
-    int number;
-    const char *name;
-} name_lookup_t;
-
-static const name_lookup_t npu_reg_name_tbl[] = {
-    {0x200, "KERNEL_X"},
-    {0x204, "KERNEL_Y"},
-    {0x208, "KERNEL_W_M1"},
-    {0x20C, "KERNEL_H_M1"},
-    {0x210, "OFM_CBLK_WIDTH_M1"},
-    {0x214, "OFM_CBLK_HEIGHT_M1"},
-    {0x218, "OFM_CBLK_DEPTH_M1"},
-    {0x21c, "IFM_CBLK_DEPTH_M1"},
-    {0x220, "OFM_X"},
-    {0x224, "OFM_Y"},
-    {0x228, "OFM_Z"},
-    {0x22C, "IFM_Z"},
-    {0x230, "PAD_TOP"},
-    {0x234, "PAD_LEFT"},
-    {0x238, "IFM_CBLK_WIDTH"},
-    {0x23C, "IFM_CBLK_HEIGHT"},
-    {0x240, "DMA_IFM_SRC"},
-    {0x244, "DMA_IFM_SRC_HI"},
-    {0x248, "DMA_IFM_DST"},
-    {0x24c, "DMA_OFM_SRC"},
-    {0x250, "DMA_OFM_DST"},
-    {0x254, "DMA_OFM_DST_HI"},
-    {0x258, "DMA_WEIGHT_SRC"},
-    {0x25c, "DMA_WEIGHT_SRC_HI"},
-    {0x260, "DMA_CMD_SRC"},
-    {0x264, "DMA_CMD_SRC_HI"},
-    {0x268, "DMA_CMD_SIZE"},
-    {0x26c, "DMA_M2M_SRC"},
-    {0x270, "DMA_M2M_SRC_HI"},
-    {0x274, "DMA_M2M_DST"},
-    {0x278, "DMA_M2M_DST_HI"},
-    {0x27c, "CURRENT_QREAD"},
-    {0x280, "DMA_SCALE_SRC"},
-    {0x284, "DMA_SCALE_SRC_HI"},
-    {0x2BC, "CURRENT_CMD"},
-    {0x800, "IFM_PAD_TOP"},
-    {0x804, "IFM_PAD_LEFT"},
-    {0x808, "IFM_PAD_RIGHT"},
-    {0x80C, "IFM_PAD_BOTTOM"},
-    {0x810, "IFM_DEPTH_M1"},
-    {0x814, "IFM_PRECISION"},
-    {0x81C, "IFM_UPSCALE"},
-    {0x824, "IFM_ZERO_POINT"},
-    {0x828, "IFM_WIDTH0_M1"},
-    {0x82C, "IFM_HEIGHT0_M1"},
-    {0x830, "IFM_HEIGHT1_M1"},
-    {0x834, "IFM_IB_END"},
-    {0x83C, "IFM_REGION"},
-    {0x844, "OFM_WIDTH_M1"},
-    {0x848, "OFM_HEIGHT_M1"},
-    {0x84C, "OFM_DEPTH_M1"},
-    {0x850, "OFM_PRECISION"},
-    {0x854, "OFM_BLK_WIDTH_M1"},
-    {0x858, "OFM_BLK_HEIGHT_M1"},
-    {0x85C, "OFM_BLK_DEPTH_M1"},
-    {0x860, "OFM_ZERO_POINT"},
-    {0x868, "OFM_WIDTH0_M1"},
-    {0x86C, "OFM_HEIGHT0_M1"},
-    {0x870, "OFM_HEIGHT1_M1"},
-    {0x87C, "OFM_REGION"},
-    {0x880, "KERNEL_WIDTH_M1"},
-    {0x884, "KERNEL_HEIGHT_M1"},
-    {0x888, "KERNEL_STRIDE"},
-    {0x88C, "PARALLEL_MODE"},
-    {0x890, "ACC_FORMAT"},
-    {0x894, "ACTIVATION"},
-    {0x898, "ACTIVATION_MIN"},
-    {0x89C, "ACTIVATION_MAX"},
-    {0x8A0, "WEIGHT_REGION"},
-    {0x8A4, "SCALE_REGION"},
-    {0x8B4, "AB_START"},
-    {0x8BC, "BLOCKDEP"},
-    {0x8C0, "DMA0_SRC_REGION"},
-    {0x8C4, "DMA0_DST_REGION"},
-    {0x8C8, "DMA0_SIZE0"},
-    {0x8CC, "DMA0_SIZE1"},
-    {0x900, "IFM2_BROADCAST"},
-    {0x904, "IFM2_SCALAR"},
-    {0x924, "IFM2_ZERO_POINT"},
-    {0x928, "IFM2_WIDTH0_M1"},
-    {0x92C, "IFM2_HEIGHT0_M1"},
-    {0x930, "IFM2_HEIGHT1_M1"},
-    {0x934, "IFM2_IB_START"},
-    {0x93C, "IFM2_REGION"},
-    {0xA00, "IFM_BASE0"},
-    {0xA04, "IFM_BASE0_HI"},
-    {0xA08, "IFM_BASE1"},
-    {0xA0C, "IFM_BASE1_HI"},
-    {0xA10, "IFM_BASE2"},
-    {0xA14, "IFM_BASE2_HI"},
-    {0xA18, "IFM_BASE3"},
-    {0xA1C, "IFM_BASE3_HI"},
-    {0xA20, "IFM_STRIDE_X"},
-    {0xA24, "IFM_STRIDE_X_HI"},
-    {0xA28, "IFM_STRIDE_Y"},
-    {0xA2C, "IFM_STRIDE_Y_HI"},
-    {0xA30, "IFM_STRIDE_C"},
-    {0xA34, "IFM_STRIDE_C_HI"},
-    {0xA40, "OFM_BASE0"},
-    {0xA44, "OFM_BASE0_HI"},
-    {0xA48, "OFM_BASE1"},
-    {0xA4C, "OFM_BASE1_HI"},
-    {0xA50, "OFM_BASE2"},
-    {0xA54, "OFM_BASE2_HI"},
-    {0xA58, "OFM_BASE3"},
-    {0xA5C, "OFM_BASE3_HI"},
-    {0xA60, "OFM_STRIDE_X"},
-    {0xA64, "OFM_STRIDE_X_HI"},
-    {0xA68, "OFM_STRIDE_Y"},
-    {0xA6C, "OFM_STRIDE_Y_HI"},
-    {0xA70, "OFM_STRIDE_C"},
-    {0xA74, "OFM_STRIDE_C_HI"},
-    {0xA80, "WEIGHT_BASE"},
-    {0xA84, "WEIGHT_BASE_HI"},
-    {0xA88, "WEIGHT_LENGTH"},
-    {0xA8C, "WEIGHT_LENGTH_HI"},
-    {0xA90, "SCALE_BASE"},
-    {0xA94, "SCALE_BASE_HI"},
-    {0xA98, "SCALE_LENGTH"},
-    {0xAA0, "OFM_SCALE"},
-    {0xAA4, "OFM_SCALE_SHIFT"},
-    {0xAA8, "OPA_SCALE "},
-    {0xAB0, "OPB_SCALE"},
-    {0xAC0, "DMA0_SRC"},
-    {0xAC4, "DMA0_SRC_HI"},
-    {0xAC8, "DMA0_DST"},
-    {0xACC, "DMA0_DST_HI"},
-    {0xAD0, "DMA0_LEN"},
-    {0xAD4, "DMA0_LEN_HI"},
-    {0xAD8, "DMA0_SKIP0"},
-    {0xADC, "DMA0_SKIP0_HI"},
-    {0xAE0, "DMA0_SKIP1"},
-    {0xAE4, "DMA0_SKIP1_HI"},
-    {0xB00, "IFM2_BASE0"},
-    {0xB04, "IFM2_BASE0_HI"},
-    {0xB08, "IFM2_BASE1"},
-    {0xB0C, "IFM2_BASE1_HI"},
-    {0xB10, "IFM2_BASE2"},
-    {0xB14, "IFM2_BASE2_HI"},
-    {0xB18, "IFM2_BASE3"},
-    {0xB1C, "IFM2_BASE3_HI"},
-    {0xB20, "IFM2_STRIDE_X"},
-    {0xB24, "IFM2_STRIDE_X_HI"},
-    {0xB28, "IFM2_STRIDE_Y"},
-    {0xB2C, "IFM2_STRIDE_Y_HI"},
-    {0xB30, "IFM2_STRIDE_C"},
-    {0xB34, "IFM2_STRIDE_C_HI"},
-    {0xB40, "WEIGHT1_BASE"},
-    {0xB44, "WEIGHT1_BASE_HI"},
-    {0xB48, "WEIGHT1_LENGTH"},
-    {0xB4C, "WEIGHT1_LENGTH_HI"},
-    {0xB50, "SCALE1_BASE"},
-    {0xB54, "SCALE1_BASE_HI"},
-    {0xB58, "SCALE1_LENGTH"},
-};
-
-static const char *lookup_name(const name_lookup_t *lookup_table, int lookup_table_count, int find)
-{
-    int n;
-    for (n = 0; n < lookup_table_count; n++)
-    {
-        if (lookup_table[n].number == find)
-        {
-            return lookup_table[n].name;
-        }
-    }
-    // Not found
-    return 0;
-}
-
-static void dump_npu_register(struct ethosu_driver *drv, int npu_reg, int npu_reg_end)
-{
-    unsigned int reg_val;
-    const char *reg_name;
-    int npu_reg_name_tbl_count = sizeof(npu_reg_name_tbl) / sizeof(npu_reg_name_tbl[0]);
-
-    LOG_INFO("dump_register %X - %X\n", npu_reg, npu_reg_end);
-    for (; npu_reg <= npu_reg_end; npu_reg += sizeof(int))
-    {
-        reg_val  = ethosu_read_reg(&drv->dev, npu_reg);
-        reg_name = lookup_name(npu_reg_name_tbl, npu_reg_name_tbl_count, npu_reg);
-        LOG_INFO("[0x%.4X] 0x%.8X\t%s\n", npu_reg, reg_val, (reg_name) ? reg_name : "");
-    }
-}
-
-static const name_lookup_t cmd0_name_tbl[] = {
-    {0x000, "NPU_OP_STOP"},
-    {0x001, "NPU_OP_IRQ"},
-    {0x002, "NPU_OP_CONV"},
-    {0x003, "NPU_OP_DEPTHWISE"},
-    {0x004, "NPU_OP_VECTOR_PROD"},
-    {0x005, "NPU_OP_POOL"},
-    {0x006, "NPU_OP_ELEMENTWISE"},
-    {0x010, "NPU_OP_DMA_START"},
-    {0x011, "NPU_OP_DMA_WAIT"},
-    {0x012, "NPU_OP_KERNEL_WAIT"},
-    {0x100, "NPU_SET_IFM_PAD_TOP"},
-    {0x101, "NPU_SET_IFM_PAD_LEFT"},
-    {0x102, "NPU_SET_IFM_PAD_RIGHT"},
-    {0x103, "NPU_SET_IFM_PAD_BOTTOM"},
-    {0x104, "NPU_SET_IFM_DEPTH_M1"},
-    {0x105, "NPU_SET_IFM_PRECISION"},
-    {0x107, "NPU_SET_IFM_UPSCALE"},
-    {0x109, "NPU_SET_IFM_ZERO_POINT"},
-    {0x10A, "NPU_SET_IFM_WIDTH0_M1"},
-    {0x10B, "NPU_SET_IFM_HEIGHT0_M1"},
-    {0x10C, "NPU_SET_IFM_HEIGHT1_M1"},
-    {0x10D, "NPU_SET_IFM_IB_END"},
-    {0x10F, "NPU_SET_IFM_REGION"},
-    {0x110, "NPU_SET_OFM_BATCH_SIZE_M1"},
-    {0x111, "NPU_SET_OFM_WIDTH_M1"},
-    {0x112, "NPU_SET_OFM_HEIGHT_M1"},
-    {0x113, "NPU_SET_OFM_DEPTH_M1"},
-    {0x114, "NPU_SET_OFM_PRECISION"},
-    {0x115, "NPU_SET_OFM_BLK_WIDTH_M1"},
-    {0x116, "NPU_SET_OFM_BLK_HEIGHT_M1"},
-    {0x117, "NPU_SET_OFM_BLK_DEPTH_M1"},
-    {0x118, "NPU_SET_OFM_ZERO_POINT"},
-    {0x11A, "NPU_SET_OFM_WIDTH0_M1"},
-    {0x11B, "NPU_SET_OFM_HEIGHT0_M1"},
-    {0x11C, "NPU_SET_OFM_HEIGHT1_M1"},
-    {0x11F, "NPU_SET_OFM_REGION"},
-    {0x120, "NPU_SET_KERNEL_WIDTH_M1"},
-    {0x121, "NPU_SET_KERNEL_HEIGHT_M1"},
-    {0x122, "NPU_SET_KERNEL_STRIDE"},
-    {0x124, "NPU_SET_ACC_FORMAT"},
-    {0x125, "NPU_SET_ACTIVATION"},
-    {0x126, "NPU_SET_ACTIVATION_MIN"},
-    {0x127, "NPU_SET_ACTIVATION_MAX"},
-    {0x128, "NPU_SET_WEIGHT_REGION"},
-    {0x129, "NPU_SET_SCALE_REGION"},
-    {0x12D, "NPU_SET_AB_START"},
-    {0x12F, "NPU_SET_BLOCKDEP"},
-    {0x130, "NPU_SET_DMA0_SRC_REGION"},
-    {0x131, "NPU_SET_DMA0_DST_REGION"},
-    {0x180, "NPU_SET_IFM2_BROADCAST"},
-    {0x181, "NPU_SET_IFM2_SCALAR"},
-    {0x185, "NPU_SET_IFM2_PRECISION"},
-    {0x189, "NPU_SET_IFM2_ZERO_POINT"},
-    {0x18A, "NPU_SET_IFM2_WIDTH0_M1"},
-    {0x18B, "NPU_SET_IFM2_HEIGHT0_M1"},
-    {0x18C, "NPU_SET_IFM2_HEIGHT1_M1"},
-    {0x18D, "NPU_SET_IFM2_IB_START"},
-    {0x18F, "NPU_SET_IFM2_REGION"},
-};
-
-static const name_lookup_t cmd1_name_tbl[] = {
-    {0x000, "NPU_SET_IFM_BASE0"},     {0x001, "NPU_SET_IFM_BASE1"},     {0x002, "NPU_SET_IFM_BASE2"},
-    {0x003, "NPU_SET_IFM_BASE3"},     {0x004, "NPU_SET_IFM_STRIDE_X"},  {0x005, "NPU_SET_IFM_STRIDE_Y"},
-    {0x006, "NPU_SET_IFM_STRIDE_C"},  {0x007, "NPU_SET_IFM_STRIDE_N"},  {0x010, "NPU_SET_OFM_BASE0"},
-    {0x011, "NPU_SET_OFM_BASE1"},     {0x012, "NPU_SET_OFM_BASE2"},     {0x013, "NPU_SET_OFM_BASE3"},
-    {0x014, "NPU_SET_OFM_STRIDE_X"},  {0x015, "NPU_SET_OFM_STRIDE_Y"},  {0x016, "NPU_SET_OFM_STRIDE_C"},
-    {0x017, "NPU_SET_OFM_STRIDE_N"},  {0x020, "NPU_SET_WEIGHT_BASE"},   {0x021, "NPU_SET_WEIGHT_LENGTH"},
-    {0x022, "NPU_SET_SCALE_BASE"},    {0x023, "NPU_SET_SCALE_LENGTH"},  {0x024, "NPU_SET_OFM_SCALE"},
-    {0x025, "NPU_SET_OPA_SCALE"},     {0x026, "NPU_SET_OPB_SCALE"},     {0x030, "NPU_SET_DMA0_SRC"},
-    {0x031, "NPU_SET_DMA0_DST"},      {0x032, "NPU_SET_DMA0_LEN"},      {0x080, "NPU_SET_IFM2_BASE0"},
-    {0x081, "NPU_SET_IFM2_BASE1"},    {0x082, "NPU_SET_IFM2_BASE2"},    {0x083, "NPU_SET_IFM2_BASE3"},
-    {0x084, "NPU_SET_IFM2_STRIDE_X"}, {0x085, "NPU_SET_IFM2_STRIDE_Y"}, {0x086, "NPU_SET_IFM2_STRIDE_C"},
-};
-
-static void dump_command_stream(const uint32_t *cmd_stream, const int cms_length, int qread)
-{
-    int n;
-    int offset;
-    uint32_t cmd_val;
-    const uint8_t *cmd_ptr;
-    const char *cmd_name;
-    int cmd0_name_tbl_count = sizeof(cmd0_name_tbl) / sizeof(cmd0_name_tbl[0]);
-    int cmd1_name_tbl_count = sizeof(cmd1_name_tbl) / sizeof(cmd1_name_tbl[0]);
-
-    LOG_INFO("dump_command_stream cmd_stream = 0x%8p cms_length = %d\n", cmd_stream, cms_length);
-    for (n = 0; n < cms_length; n++)
-    {
-        // Offset
-        offset = n * sizeof(int);
-        LOG_INFO("[%.4d] ", offset);
-        // Command
-        cmd_ptr = (const uint8_t *)&cmd_stream[n];
-        LOG_INFO("0x%.2X 0x%.2X 0x%.2X 0x%.2X ", cmd_ptr[0], cmd_ptr[1], cmd_ptr[2], cmd_ptr[3]);
-        // Command name and payload
-        if (cmd_stream[n] & 0x4000)
-        {
-            cmd_name = lookup_name(cmd1_name_tbl, cmd1_name_tbl_count, cmd_stream[n] & 0x3FF);
-            n++;
-            cmd_val = cmd_stream[n];
-            cmd_ptr = (const uint8_t *)&cmd_stream[n];
-            LOG_INFO("0x%.2X 0x%.2X 0x%.2X 0x%.2X ", cmd_ptr[0], cmd_ptr[1], cmd_ptr[2], cmd_ptr[3]);
-        }
-        else
-        {
-            cmd_val  = cmd_stream[n] >> 16;
-            cmd_name = lookup_name(cmd0_name_tbl, cmd0_name_tbl_count, cmd_stream[n] & 0x3FF);
-        }
-        if (cmd_name)
-        {
-            LOG_INFO("\t%s 0x%.8" PRIX32, cmd_name, cmd_val);
-        }
-        if (offset == qread)
-        {
-            LOG_INFO(" <<== QREAD\n");
-        }
-        else
-        {
-            LOG_INFO("\n");
-        }
-    }
-}