diff options
Diffstat (limited to 'arch/arm/mach-octeontx/clock.c')
-rw-r--r-- | arch/arm/mach-octeontx/clock.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/mach-octeontx/clock.c b/arch/arm/mach-octeontx/clock.c new file mode 100644 index 0000000000..9da21077ec --- /dev/null +++ b/arch/arm/mach-octeontx/clock.c @@ -0,0 +1,35 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2018 Marvell International Ltd. + * + * https://spdx.org/licenses + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/board.h> +#include <asm/arch/clock.h> + +/** + * Returns the I/O clock speed in Hz + */ +u64 octeontx_get_io_clock(void) +{ + union rst_boot rst_boot; + + rst_boot.u = readq(RST_BOOT); + + return rst_boot.s.pnr_mul * PLL_REF_CLK; +} + +/** + * Returns the core clock speed in Hz + */ +u64 octeontx_get_core_clock(void) +{ + union rst_boot rst_boot; + + rst_boot.u = readq(RST_BOOT); + + return rst_boot.s.c_mul * PLL_REF_CLK; +} |