diff options
Diffstat (limited to 'drivers/soc/tegra/fuse/fuse.h')
| -rw-r--r-- | drivers/soc/tegra/fuse/fuse.h | 95 |
1 files changed, 66 insertions, 29 deletions
diff --git a/drivers/soc/tegra/fuse/fuse.h b/drivers/soc/tegra/fuse/fuse.h index 3a398bf3572c..10c2076d5089 100644 --- a/drivers/soc/tegra/fuse/fuse.h +++ b/drivers/soc/tegra/fuse/fuse.h @@ -19,53 +19,90 @@ #ifndef __DRIVERS_MISC_TEGRA_FUSE_H #define __DRIVERS_MISC_TEGRA_FUSE_H -#define TEGRA_FUSE_BASE 0x7000f800 -#define TEGRA_FUSE_SIZE 0x400 +#include <linux/dmaengine.h> +#include <linux/types.h> -int tegra_fuse_create_sysfs(struct device *dev, int size, - u32 (*readl)(const unsigned int offset)); +struct tegra_fuse; + +struct tegra_fuse_info { + u32 (*read)(struct tegra_fuse *fuse, unsigned int offset); + unsigned int size; + unsigned int spare; +}; + +struct tegra_fuse_soc { + void (*init)(struct tegra_fuse *fuse); + void (*speedo_init)(struct tegra_sku_info *info); + int (*probe)(struct tegra_fuse *fuse); + + const struct tegra_fuse_info *info; +}; + +struct tegra_fuse { + struct device *dev; + void __iomem *base; + phys_addr_t phys; + struct clk *clk; + + u32 (*read_early)(struct tegra_fuse *fuse, unsigned int offset); + u32 (*read)(struct tegra_fuse *fuse, unsigned int offset); + const struct tegra_fuse_soc *soc; + + /* APBDMA on Tegra20 */ + struct { + struct mutex lock; + struct completion wait; + struct dma_chan *chan; + struct dma_slave_config config; + dma_addr_t phys; + u32 *virt; + } apbdma; +}; -bool tegra30_spare_fuse(int bit); -u32 tegra30_fuse_readl(const unsigned int offset); -void tegra30_init_fuse_early(void); void tegra_init_revision(void); void tegra_init_apbmisc(void); +bool __init tegra_fuse_read_spare(unsigned int spare); +u32 __init tegra_fuse_read_early(unsigned int offset); + #ifdef CONFIG_ARCH_TEGRA_2x_SOC void tegra20_init_speedo_data(struct tegra_sku_info *sku_info); -bool tegra20_spare_fuse_early(int spare_bit); -void tegra20_init_fuse_early(void); -u32 tegra20_fuse_early(const unsigned int offset); -#else -static inline void tegra20_init_speedo_data(struct tegra_sku_info *sku_info) {} -static inline bool tegra20_spare_fuse_early(int spare_bit) -{ - return false; -} -static inline void tegra20_init_fuse_early(void) {} -static inline u32 tegra20_fuse_early(const unsigned int offset) -{ - return 0; -} #endif - #ifdef CONFIG_ARCH_TEGRA_3x_SOC void tegra30_init_speedo_data(struct tegra_sku_info *sku_info); -#else -static inline void tegra30_init_speedo_data(struct tegra_sku_info *sku_info) {} #endif #ifdef CONFIG_ARCH_TEGRA_114_SOC void tegra114_init_speedo_data(struct tegra_sku_info *sku_info); -#else -static inline void tegra114_init_speedo_data(struct tegra_sku_info *sku_info) {} #endif -#ifdef CONFIG_ARCH_TEGRA_124_SOC +#if defined(CONFIG_ARCH_TEGRA_124_SOC) || defined(CONFIG_ARCH_TEGRA_132_SOC) void tegra124_init_speedo_data(struct tegra_sku_info *sku_info); -#else -static inline void tegra124_init_speedo_data(struct tegra_sku_info *sku_info) {} +#endif + +#ifdef CONFIG_ARCH_TEGRA_210_SOC +void tegra210_init_speedo_data(struct tegra_sku_info *sku_info); +#endif + +#ifdef CONFIG_ARCH_TEGRA_2x_SOC +extern const struct tegra_fuse_soc tegra20_fuse_soc; +#endif + +#ifdef CONFIG_ARCH_TEGRA_3x_SOC +extern const struct tegra_fuse_soc tegra30_fuse_soc; +#endif + +#ifdef CONFIG_ARCH_TEGRA_114_SOC +extern const struct tegra_fuse_soc tegra114_fuse_soc; +#endif + +#if defined(CONFIG_ARCH_TEGRA_124_SOC) || defined(CONFIG_ARCH_TEGRA_132_SOC) +extern const struct tegra_fuse_soc tegra124_fuse_soc; +#endif + +#ifdef CONFIG_ARCH_TEGRA_210_SOC +extern const struct tegra_fuse_soc tegra210_fuse_soc; #endif #endif |