| // Copyright 2022 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. |
| |
| #include <algorithm> |
| #include <iterator> |
| |
| #include <soc/aml-meson/aml-meson-pll.h> |
| |
| namespace amlogic_clock { |
| |
| void LoadInitConfig(const fdf::MmioView view, const meson_clk_pll_data_t config) { |
| for (uint32_t i = 0; i < config.init_count; i++) { |
| view.Write32(config.init_regs[i].def, config.init_regs[i].reg_offset); |
| if (config.init_regs[i].delay_us) { |
| zx_nanosleep(zx_deadline_after(ZX_USEC(config.init_regs[i].delay_us))); |
| } |
| } |
| } |
| |
| zx_status_t FetchRateTable(uint64_t hz, const cpp20::span<const hhi_pll_rate_t> rates_table, |
| const hhi_pll_rate_t** pll_rate) { |
| for (uint32_t i = 0; i < rates_table.size(); i++) { |
| if (hz == rates_table[i].rate) { |
| *pll_rate = &rates_table[i]; |
| return ZX_OK; |
| } |
| } |
| |
| return ZX_ERR_NOT_FOUND; |
| } |
| |
| } // namespace amlogic_clock |
