cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

fuse.h (3238B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright (C) 2010 Google, Inc.
      4 * Copyright (c) 2013, NVIDIA CORPORATION.  All rights reserved.
      5 *
      6 * Author:
      7 *	Colin Cross <ccross@android.com>
      8 */
      9
     10#ifndef __DRIVERS_MISC_TEGRA_FUSE_H
     11#define __DRIVERS_MISC_TEGRA_FUSE_H
     12
     13#include <linux/dmaengine.h>
     14#include <linux/types.h>
     15
     16struct nvmem_cell_lookup;
     17struct nvmem_device;
     18struct tegra_fuse;
     19
     20struct tegra_fuse_info {
     21	u32 (*read)(struct tegra_fuse *fuse, unsigned int offset);
     22	unsigned int size;
     23	unsigned int spare;
     24};
     25
     26struct tegra_fuse_soc {
     27	void (*init)(struct tegra_fuse *fuse);
     28	void (*speedo_init)(struct tegra_sku_info *info);
     29	int (*probe)(struct tegra_fuse *fuse);
     30
     31	const struct tegra_fuse_info *info;
     32
     33	const struct nvmem_cell_lookup *lookups;
     34	unsigned int num_lookups;
     35
     36	const struct attribute_group *soc_attr_group;
     37
     38	bool clk_suspend_on;
     39};
     40
     41struct tegra_fuse {
     42	struct device *dev;
     43	void __iomem *base;
     44	phys_addr_t phys;
     45	struct clk *clk;
     46	struct reset_control *rst;
     47
     48	u32 (*read_early)(struct tegra_fuse *fuse, unsigned int offset);
     49	u32 (*read)(struct tegra_fuse *fuse, unsigned int offset);
     50	const struct tegra_fuse_soc *soc;
     51
     52	/* APBDMA on Tegra20 */
     53	struct {
     54		struct mutex lock;
     55		struct completion wait;
     56		struct dma_chan *chan;
     57		struct dma_slave_config config;
     58		dma_addr_t phys;
     59		u32 *virt;
     60	} apbdma;
     61
     62	struct nvmem_device *nvmem;
     63	struct nvmem_cell_lookup *lookups;
     64};
     65
     66void tegra_init_revision(void);
     67void tegra_init_apbmisc(void);
     68
     69u32 __init tegra_fuse_read_spare(unsigned int spare);
     70u32 __init tegra_fuse_read_early(unsigned int offset);
     71
     72u8 tegra_get_major_rev(void);
     73u8 tegra_get_minor_rev(void);
     74
     75extern const struct attribute_group tegra_soc_attr_group;
     76
     77#ifdef CONFIG_ARCH_TEGRA_2x_SOC
     78void tegra20_init_speedo_data(struct tegra_sku_info *sku_info);
     79#endif
     80
     81#ifdef CONFIG_ARCH_TEGRA_3x_SOC
     82void tegra30_init_speedo_data(struct tegra_sku_info *sku_info);
     83#endif
     84
     85#ifdef CONFIG_ARCH_TEGRA_114_SOC
     86void tegra114_init_speedo_data(struct tegra_sku_info *sku_info);
     87#endif
     88
     89#if defined(CONFIG_ARCH_TEGRA_124_SOC) || defined(CONFIG_ARCH_TEGRA_132_SOC)
     90void tegra124_init_speedo_data(struct tegra_sku_info *sku_info);
     91#endif
     92
     93#ifdef CONFIG_ARCH_TEGRA_210_SOC
     94void tegra210_init_speedo_data(struct tegra_sku_info *sku_info);
     95#endif
     96
     97#ifdef CONFIG_ARCH_TEGRA_2x_SOC
     98extern const struct tegra_fuse_soc tegra20_fuse_soc;
     99#endif
    100
    101#ifdef CONFIG_ARCH_TEGRA_3x_SOC
    102extern const struct tegra_fuse_soc tegra30_fuse_soc;
    103#endif
    104
    105#ifdef CONFIG_ARCH_TEGRA_114_SOC
    106extern const struct tegra_fuse_soc tegra114_fuse_soc;
    107#endif
    108
    109#if defined(CONFIG_ARCH_TEGRA_124_SOC) || defined(CONFIG_ARCH_TEGRA_132_SOC)
    110extern const struct tegra_fuse_soc tegra124_fuse_soc;
    111#endif
    112
    113#ifdef CONFIG_ARCH_TEGRA_210_SOC
    114extern const struct tegra_fuse_soc tegra210_fuse_soc;
    115#endif
    116
    117#ifdef CONFIG_ARCH_TEGRA_186_SOC
    118extern const struct tegra_fuse_soc tegra186_fuse_soc;
    119#endif
    120
    121#if IS_ENABLED(CONFIG_ARCH_TEGRA_194_SOC) || \
    122    IS_ENABLED(CONFIG_ARCH_TEGRA_234_SOC)
    123extern const struct attribute_group tegra194_soc_attr_group;
    124#endif
    125
    126#ifdef CONFIG_ARCH_TEGRA_194_SOC
    127extern const struct tegra_fuse_soc tegra194_fuse_soc;
    128#endif
    129
    130#ifdef CONFIG_ARCH_TEGRA_234_SOC
    131extern const struct tegra_fuse_soc tegra234_fuse_soc;
    132#endif
    133
    134#endif