| /* |
| * Copyright (c) 2017 Jean-Paul Etienne <fractalclone@gmail.com> |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| /** |
| * @file SoC configuration macros for the SiFive Freedom processor |
| */ |
| |
| #ifndef __RISCV_SIFIVE_FREEDOM_U500_SOC_H_ |
| #define __RISCV_SIFIVE_FREEDOM_U500_SOC_H_ |
| |
| /* |
| * On FE310 and FU540, peripherals such as SPI, UART, I2C and PWM are clocked |
| * by TLCLK, which is derived from CORECLK. |
| */ |
| #define SIFIVE_TLCLK_BASE_FREQUENCY \ |
| DT_PROP_BY_PHANDLE_IDX(DT_NODELABEL(tlclk), clocks, 0, clock_frequency) |
| #define SIFIVE_TLCLK_DIVIDER DT_PROP(DT_NODELABEL(tlclk), clock_div) |
| #define SIFIVE_PERIPHERAL_CLOCK_FREQUENCY \ |
| (SIFIVE_TLCLK_BASE_FREQUENCY / SIFIVE_TLCLK_DIVIDER) |
| |
| #endif /* __RISCV_SIFIVE_FREEDOM_U500_SOC_H_ */ |
