diff --git a/src/cpu/kernels/CpuWeightsReshapeKernel.cpp b/src/cpu/kernels/CpuWeightsReshapeKernel.cpp
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+++ b/src/cpu/kernels/CpuWeightsReshapeKernel.cpp
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+/*
+ * Copyright (c) 2017-2021 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "src/cpu/kernels/CpuWeightsReshapeKernel.h"
+
+#include "arm_compute/core/Helpers.h"
+#include "arm_compute/core/Validate.h"
+#include "src/core/helpers/AutoConfiguration.h"
+#include "src/core/helpers/WindowHelpers.h"
+
+namespace arm_compute
+{
+namespace cpu
+{
+namespace kernels
+{
+namespace
+{
+TensorShape get_output_shape(const ITensorInfo *src, bool has_bias)
+{
+    TensorShape output_shape{ src->tensor_shape() };
+
+    output_shape.collapse(3);
+    const size_t tmp_dim = output_shape[0];
+    output_shape.set(0, output_shape[1]);
+    output_shape.set(1, tmp_dim + (has_bias ? 1 : 0));
+
+    return output_shape;
+}
+
+Status validate_arguments(const ITensorInfo *src, const ITensorInfo *biases, const ITensorInfo *dst)
+{
+    ARM_COMPUTE_RETURN_ERROR_ON_NULLPTR(src, dst);
+    //Note: ARM_COMPUTE_RETURN_ERROR_ON_CPU_F16_UNSUPPORTED(src) is not needed here as this kernel doesn't use CPU FP16 instructions.
+    ARM_COMPUTE_RETURN_ERROR_ON(src->data_type() == DataType::UNKNOWN);
+
+    if(biases != nullptr)
+    {
+        ARM_COMPUTE_RETURN_ERROR_ON(is_data_type_quantized_asymmetric(src->data_type()));
+        ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(src, biases);
+        ARM_COMPUTE_RETURN_ERROR_ON((src->num_dimensions() == 4) && (biases->num_dimensions() != 1));
+        ARM_COMPUTE_RETURN_ERROR_ON((src->num_dimensions() == 5) && (biases->num_dimensions() != 2));
+        ARM_COMPUTE_RETURN_ERROR_ON((src->num_dimensions() == 4) && (biases->dimension(0) != src->tensor_shape()[3]));
+        ARM_COMPUTE_RETURN_ERROR_ON((src->num_dimensions() == 5) && (biases->dimension(0) != src->tensor_shape()[3] || biases->dimension(1) != src->tensor_shape()[4]));
+    }
+
+    // Checks performed when output is configured
+    if(dst->total_size() != 0)
+    {
+        ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DIMENSIONS(dst->tensor_shape(), get_output_shape(src, biases != nullptr));
+        ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_DATA_TYPES(src, dst);
+        ARM_COMPUTE_RETURN_ERROR_ON_MISMATCHING_QUANTIZATION_INFO(src, dst);
+    }
+
+    return Status{};
+}
+} // namespace
+
+void CpuWeightsReshapeKernel::configure(const ITensorInfo *src, const ITensorInfo *biases, ITensorInfo *dst)
+{
+    ARM_COMPUTE_ERROR_ON_NULLPTR(src, dst);
+
+    // Output tensor auto inizialitation if not yet initialized
+    auto_init_if_empty(*dst, src->clone()->set_tensor_shape(get_output_shape(src, (biases != nullptr))));
+
+    // Perform validation step
+    ARM_COMPUTE_ERROR_THROW_ON(validate_arguments(src,
+                                                  biases,
+                                                  dst));
+
+    // Configure kernel
+    Window window = calculate_max_window(*src, Steps());
+    window.set(Window::DimX, Window::Dimension(0, src->dimension(0), src->dimension(0)));
+    window.set(Window::DimY, Window::Dimension(0, src->dimension(1), src->dimension(1)));
+    window.set(Window::DimZ, Window::Dimension(0, src->dimension(2), src->dimension(2)));
+    ICpuKernel::configure(window);
+}
+
+Status CpuWeightsReshapeKernel::validate(const ITensorInfo *src, const ITensorInfo *biases, const ITensorInfo *dst)
+{
+    ARM_COMPUTE_RETURN_ON_ERROR(validate_arguments(src, biases, dst));
+    return Status{};
+}
+
+void CpuWeightsReshapeKernel::run_op(ITensorPack &tensors, const Window &window, const ThreadInfo &info)
+{
+    ARM_COMPUTE_UNUSED(info);
+    ARM_COMPUTE_ERROR_ON_UNCONFIGURED_KERNEL(this);
+    ARM_COMPUTE_ERROR_ON_INVALID_SUBWINDOW(ICpuKernel::window(), window);
+
+    auto src    = tensors.get_const_tensor(TensorType::ACL_SRC);
+    auto biases = tensors.get_const_tensor(TensorType::ACL_BIAS);
+    auto dst    = tensors.get_tensor(TensorType::ACL_DST);
+
+    const unsigned int kernel_size_x   = src->info()->dimension(0);
+    const unsigned int kernel_size_y   = src->info()->dimension(1);
+    const unsigned int kernel_depth    = src->info()->dimension(2);
+    const unsigned int input_stride_x  = src->info()->strides_in_bytes().x();
+    const unsigned int input_stride_y  = src->info()->strides_in_bytes().y();
+    const unsigned int input_stride_z  = src->info()->strides_in_bytes().z();
+    const unsigned int output_stride_y = dst->info()->strides_in_bytes().y();
+
+    // Create iterators
+    Iterator in(src, window);
+    execute_window_loop(window, [&](const Coordinates & id)
+    {
+        // Get column index
+        const int kernel_idx = id[3];
+        const int kernel_idz = id[4];
+
+        // Setup pointers
+        const uint8_t *tmp_input_ptr        = in.ptr();
+        uint8_t       *tmp_output_ptr       = dst->ptr_to_element(Coordinates(kernel_idx, 0, kernel_idz));
+        const uint8_t *curr_input_row_ptr   = tmp_input_ptr;
+        const uint8_t *curr_input_depth_ptr = tmp_input_ptr;
+
+        // Linearize volume
+        for(unsigned int d = 0; d < kernel_depth; ++d)
+        {
+            for(unsigned int j = 0; j < kernel_size_y; ++j)
+            {
+                for(unsigned int i = 0; i < kernel_size_x; ++i)
+                {
+                    std::memcpy(tmp_output_ptr, tmp_input_ptr, src->info()->element_size());
+                    tmp_input_ptr += input_stride_x;
+                    tmp_output_ptr += output_stride_y;
+                }
+                curr_input_row_ptr += input_stride_y;
+                tmp_input_ptr = curr_input_row_ptr;
+            }
+            curr_input_depth_ptr += input_stride_z;
+            curr_input_row_ptr = curr_input_depth_ptr;
+            tmp_input_ptr      = curr_input_depth_ptr;
+        }
+
+        // Add bias
+        if(biases != nullptr)
+        {
+            std::memcpy(tmp_output_ptr, biases->ptr_to_element(Coordinates(kernel_idx, kernel_idz)), src->info()->element_size());
+        }
+    },
+    in);
+}
+const char *CpuWeightsReshapeKernel::name() const
+{
+    return "CpuWeightsReshapeKernel";
+}
+} // namespace kernels
+} // namespace cpu
+} // namespace arm_compute
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