From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001 From: Angelos Mouzakitis Date: Tue, 10 Oct 2023 14:33:42 +0000 Subject: Add submodule dependency files Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec --- roms/u-boot/arch/arm/include/asm/utils.h | 39 ++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 roms/u-boot/arch/arm/include/asm/utils.h (limited to 'roms/u-boot/arch/arm/include/asm/utils.h') diff --git a/roms/u-boot/arch/arm/include/asm/utils.h b/roms/u-boot/arch/arm/include/asm/utils.h new file mode 100644 index 000000000..eee60c50e --- /dev/null +++ b/roms/u-boot/arch/arm/include/asm/utils.h @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * (C) Copyright 2010 + * Texas Instruments, + * Aneesh V + */ +#ifndef _UTILS_H_ +#define _UTILS_H_ + +static inline s32 log_2_n_round_up(u32 n) +{ + s32 log2n = -1; + u32 temp = n; + + while (temp) { + log2n++; + temp >>= 1; + } + + if (n & (n - 1)) + return log2n + 1; /* not power of 2 - round up */ + else + return log2n; /* power of 2 */ +} + +static inline s32 log_2_n_round_down(u32 n) +{ + s32 log2n = -1; + u32 temp = n; + + while (temp) { + log2n++; + temp >>= 1; + } + + return log2n; +} + +#endif -- cgit 1.2.3-korg