cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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of_memory.h (1716B)


      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 * OpenFirmware helpers for memory drivers
      4 *
      5 * Copyright (C) 2012 Texas Instruments, Inc.
      6 * Copyright (C) 2020 Krzysztof Kozlowski <krzk@kernel.org>
      7 */
      8
      9#ifndef __LINUX_MEMORY_OF_REG_H
     10#define __LINUX_MEMORY_OF_REG_H
     11
     12#if defined(CONFIG_OF) && defined(CONFIG_DDR)
     13const struct lpddr2_min_tck *of_get_min_tck(struct device_node *np,
     14					    struct device *dev);
     15const struct lpddr2_timings *of_get_ddr_timings(struct device_node *np_ddr,
     16						struct device *dev,
     17						u32 device_type, u32 *nr_frequencies);
     18const struct lpddr3_min_tck *of_lpddr3_get_min_tck(struct device_node *np,
     19						   struct device *dev);
     20const struct lpddr3_timings *
     21of_lpddr3_get_ddr_timings(struct device_node *np_ddr,
     22			  struct device *dev, u32 device_type, u32 *nr_frequencies);
     23
     24const struct lpddr2_info *of_lpddr2_get_info(struct device_node *np,
     25					     struct device *dev);
     26#else
     27static inline const struct lpddr2_min_tck
     28	*of_get_min_tck(struct device_node *np, struct device *dev)
     29{
     30	return NULL;
     31}
     32
     33static inline const struct lpddr2_timings
     34	*of_get_ddr_timings(struct device_node *np_ddr, struct device *dev,
     35	u32 device_type, u32 *nr_frequencies)
     36{
     37	return NULL;
     38}
     39
     40static inline const struct lpddr3_min_tck
     41	*of_lpddr3_get_min_tck(struct device_node *np, struct device *dev)
     42{
     43	return NULL;
     44}
     45
     46static inline const struct lpddr3_timings
     47	*of_lpddr3_get_ddr_timings(struct device_node *np_ddr,
     48	struct device *dev, u32 device_type, u32 *nr_frequencies)
     49{
     50	return NULL;
     51}
     52
     53static inline const struct lpddr2_info
     54	*of_lpddr2_get_info(struct device_node *np, struct device *dev)
     55{
     56	return NULL;
     57}
     58#endif /* CONFIG_OF && CONFIG_DDR */
     59
     60#endif /* __LINUX_MEMORY_OF_REG_ */