system/dev/gpu/aml-gpu/s905d2-gpu.h

// Copyright 2018 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#pragma once

#include <soc/aml-s905d2/s905d2-hw.h>

#define CALCULATE_CLOCK(enabled, base, divisor) \
        ((!!(enabled) << 8) | (base << 9) | (divisor - 1))

enum {
    S905D2_XTAL        = 0,    // 24MHz
    S905D2_GP0         = 1,
    S905D2_HIFI        = 2,
    S905D2_FCLK_DIV2P5 = 3,    // 800 MHz
    S905D2_FCLK_DIV3   = 4,    // 666 MHz
    S905D2_FCLK_DIV4   = 5,    // 500 MHz
    S905D2_FCLK_DIV5   = 6,    // 400 MHz
    S905D2_FCLK_DIV7   = 7,    // 285.7 MHz
};

static aml_gpu_block_t s905d2_gpu_blocks = {
    .reset0_level_offset        = S905D2_RESET0_LEVEL,
    .reset0_mask_offset         = S905D2_RESET0_MASK,
    .reset2_level_offset        = S905D2_RESET2_LEVEL,
    .reset2_mask_offset         = S905D2_RESET2_MASK,
    .hhi_clock_cntl_offset      = 0x6C,
    .mhz500                     = CALCULATE_CLOCK(true, S905D2_FCLK_DIV4, 1),
};