include/linux/ti-emif-sram.h

Source file repositories/reference/linux-study-clean/include/linux/ti-emif-sram.h

File Facts

System
Linux kernel
Corpus path
include/linux/ti-emif-sram.h
Extension
.h
Size
4867 bytes
Lines
140
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

struct emif_regs_amx3 {
	u32 emif_sdcfg_val;
	u32 emif_timing1_val;
	u32 emif_timing2_val;
	u32 emif_timing3_val;
	u32 emif_ref_ctrl_val;
	u32 emif_zqcfg_val;
	u32 emif_pmcr_val;
	u32 emif_pmcr_shdw_val;
	u32 emif_rd_wr_level_ramp_ctrl;
	u32 emif_rd_wr_exec_thresh;
	u32 emif_cos_config;
	u32 emif_priority_to_cos_mapping;
	u32 emif_connect_id_serv_1_map;
	u32 emif_connect_id_serv_2_map;
	u32 emif_ocp_config_val;
	u32 emif_lpddr2_nvm_tim;
	u32 emif_lpddr2_nvm_tim_shdw;
	u32 emif_dll_calib_ctrl_val;
	u32 emif_dll_calib_ctrl_val_shdw;
	u32 emif_ddr_phy_ctlr_1;
	u32 emif_ext_phy_ctrl_vals[120];
};

struct ti_emif_pm_data {
	void __iomem *ti_emif_base_addr_virt;
	phys_addr_t ti_emif_base_addr_phys;
	unsigned long ti_emif_sram_config;
	struct emif_regs_amx3 *regs_virt;
	phys_addr_t regs_phys;
} __packed __aligned(8);

struct ti_emif_pm_functions {
	u32 save_context;
	u32 restore_context;
	u32 run_hw_leveling;
	u32 enter_sr;
	u32 exit_sr;
	u32 abort_sr;
} __packed __aligned(8);

static inline void ti_emif_asm_offsets(void)
{
	DEFINE(EMIF_SDCFG_VAL_OFFSET,
	       offsetof(struct emif_regs_amx3, emif_sdcfg_val));
	DEFINE(EMIF_TIMING1_VAL_OFFSET,
	       offsetof(struct emif_regs_amx3, emif_timing1_val));
	DEFINE(EMIF_TIMING2_VAL_OFFSET,
	       offsetof(struct emif_regs_amx3, emif_timing2_val));
	DEFINE(EMIF_TIMING3_VAL_OFFSET,
	       offsetof(struct emif_regs_amx3, emif_timing3_val));
	DEFINE(EMIF_REF_CTRL_VAL_OFFSET,
	       offsetof(struct emif_regs_amx3, emif_ref_ctrl_val));
	DEFINE(EMIF_ZQCFG_VAL_OFFSET,
	       offsetof(struct emif_regs_amx3, emif_zqcfg_val));
	DEFINE(EMIF_PMCR_VAL_OFFSET,
	       offsetof(struct emif_regs_amx3, emif_pmcr_val));
	DEFINE(EMIF_PMCR_SHDW_VAL_OFFSET,
	       offsetof(struct emif_regs_amx3, emif_pmcr_shdw_val));
	DEFINE(EMIF_RD_WR_LEVEL_RAMP_CTRL_OFFSET,
	       offsetof(struct emif_regs_amx3, emif_rd_wr_level_ramp_ctrl));
	DEFINE(EMIF_RD_WR_EXEC_THRESH_OFFSET,
	       offsetof(struct emif_regs_amx3, emif_rd_wr_exec_thresh));
	DEFINE(EMIF_COS_CONFIG_OFFSET,
	       offsetof(struct emif_regs_amx3, emif_cos_config));
	DEFINE(EMIF_PRIORITY_TO_COS_MAPPING_OFFSET,
	       offsetof(struct emif_regs_amx3, emif_priority_to_cos_mapping));
	DEFINE(EMIF_CONNECT_ID_SERV_1_MAP_OFFSET,
	       offsetof(struct emif_regs_amx3, emif_connect_id_serv_1_map));
	DEFINE(EMIF_CONNECT_ID_SERV_2_MAP_OFFSET,
	       offsetof(struct emif_regs_amx3, emif_connect_id_serv_2_map));
	DEFINE(EMIF_OCP_CONFIG_VAL_OFFSET,
	       offsetof(struct emif_regs_amx3, emif_ocp_config_val));
	DEFINE(EMIF_LPDDR2_NVM_TIM_OFFSET,
	       offsetof(struct emif_regs_amx3, emif_lpddr2_nvm_tim));
	DEFINE(EMIF_LPDDR2_NVM_TIM_SHDW_OFFSET,
	       offsetof(struct emif_regs_amx3, emif_lpddr2_nvm_tim_shdw));
	DEFINE(EMIF_DLL_CALIB_CTRL_VAL_OFFSET,
	       offsetof(struct emif_regs_amx3, emif_dll_calib_ctrl_val));
	DEFINE(EMIF_DLL_CALIB_CTRL_VAL_SHDW_OFFSET,
	       offsetof(struct emif_regs_amx3, emif_dll_calib_ctrl_val_shdw));
	DEFINE(EMIF_DDR_PHY_CTLR_1_OFFSET,
	       offsetof(struct emif_regs_amx3, emif_ddr_phy_ctlr_1));
	DEFINE(EMIF_EXT_PHY_CTRL_VALS_OFFSET,
	       offsetof(struct emif_regs_amx3, emif_ext_phy_ctrl_vals));
	DEFINE(EMIF_REGS_AMX3_SIZE, sizeof(struct emif_regs_amx3));

	BLANK();

	DEFINE(EMIF_PM_BASE_ADDR_VIRT_OFFSET,

Annotation

Implementation Notes