mtk-lk/platform/common/include/latch.h

/* Copyright Statement:
*
* This software/firmware and related documentation ("MediaTek Software") are
* protected under relevant copyright laws. The information contained herein
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* and information contained herein, in whole or in part, shall be strictly prohibited.
*/
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#ifndef __LATCH_H__
#define __LATCH_H__

/* a 32KB buffer is sufficient for lastpc, lastbus, return stack */
#define LATCH_BUF_LENGTH    0x8000
#ifdef MTK_SMC_ID_MGMT
#include "mtk_secure_api.h"
#else
#define MTK_SIP_LK_LASTBUS  0x82000107
#endif
#define LASTBSU_SMC_INIT    0
#define LASTBSU_SMC_CHECK_HANG  1
#define LASTBSU_SMC_MONITOR_GET 2

enum {
	LASTPC_V1 = 0,
	LASTPC_V2,
};

/* platform-dependent configs for lastpc */
struct plt_cfg_pc_latch {
	unsigned int nr_max_core;
	unsigned int nr_max_big_core;
	unsigned int mp0_dbg_ctrl;
	unsigned int mp0_dbg_flag;
	unsigned int mp1_dbg_ctrl;
	unsigned int mp1_dbg_flag;
	unsigned int anake_core_dbg_sel;
	unsigned int anake_core_dbg_mon;
	unsigned int spm_pwr_sts;
	int (*dump)(const struct plt_cfg_pc_latch *self, char *buf, int *wp);
	unsigned int bypass_sram_flag0;
	unsigned long plat_sram_flag0;
	unsigned int version;
};

/* platform-dependent configs for lastbus */
struct lastbus_mcusys_offsets {
	unsigned int bus_mcu_m0;
	unsigned int bus_mcu_s1;
	unsigned int bus_mcu_m0_m;
	unsigned int bus_mcu_s1_m;
};

struct lastbus_perisys_offsets {
	unsigned int bus_peri_r0;
	unsigned int bus_peri_r1;
	unsigned int bus_peri_mon;
};

struct lastbus_infrasys_offsets {
	unsigned int bus_infra_ctrl;
	unsigned int bus_infra_mask_l;
	unsigned int bus_infra_mask_h;
	unsigned int bus_infra_snapshot;
};

struct plt_cfg_bus_latch;

struct lastbus_ops {
	int (*init)(const struct plt_cfg_bus_latch *self);
	int (*is_timeout)(const struct plt_cfg_bus_latch *self);
	int (*dump)(const struct plt_cfg_bus_latch *self, char *buf, int *wp);
};

struct plt_cfg_bus_latch {
	unsigned int supported;
	unsigned int num_master_port;
	unsigned int num_slave_port;
	unsigned int num_perisys_mon;
	unsigned int num_infrasys_mon;
	unsigned int secure_perisys;
	unsigned int perisys_enable;
	unsigned int perisys_timeout;
	unsigned int perisys_eventmask;
	unsigned int infrasys_enable;
	unsigned int infrasys_config;
	struct lastbus_ops mcusys_ops;
	struct lastbus_ops perisys_ops;
	struct lastbus_ops infrasys_ops;
	struct lastbus_mcusys_offsets mcusys_offsets;
	struct lastbus_perisys_offsets perisys_offsets;
	struct lastbus_infrasys_offsets infrasys_offsets;
	unsigned int infra_timeout_26m;
	unsigned int peri_timeout_26m;
};

struct plt_cfg_cache_latch;

struct cache_ops {
	int (*init)(struct plt_cfg_cache_latch *self);
	int (*has_error)(struct plt_cfg_cache_latch *self);
	int (*dump)(struct plt_cfg_cache_latch *self, char *buf, int *wp);
	int (*reset)(struct plt_cfg_cache_latch *self);
};

struct cache_reg_info {
	unsigned int ctrl_offset;
	unsigned int ctrl_mask;
	unsigned int dump_offset;
	unsigned int dump_length;
};

struct plt_cfg_cache_latch {
	unsigned int support_level;
	struct cache_ops ops;
	struct cache_reg_info reg_info;
};

struct plt_cfg_l2_parity_latch {
	unsigned int supported;
	unsigned int mp0_l2_cache_parity1_rdata;
	unsigned int mp0_l2_cache_parity2_rdata;
	unsigned int mp1_l2_cache_parity1_rdata;
	unsigned int mp1_l2_cache_parity2_rdata;
};

struct plt_cfg_big_core {
	unsigned int cpuid;
	unsigned int nr_circular_buffer_entry;
	unsigned long circular_buffer_addr;
};

struct plt_circular_buffer_op {
	void (*unlock)(void);
	void (*lock)(void);
};

extern int plt_get_cluster_id(unsigned int cpu_id, unsigned int *core_id_in_cluster);
extern unsigned long plt_get_cpu_power_status_at_wdt(void);
extern const struct plt_cfg_pc_latch cfg_pc_latch;
extern const struct plt_cfg_bus_latch cfg_bus_latch;
extern const struct plt_cfg_l2_parity_latch cfg_l2_parity_latch;
extern const struct plt_cfg_big_core cfg_big_core[];

extern struct plt_circular_buffer_op circular_buffer_op;
extern int g_is_64bit_kernel;

void latch_lastbus_init(void);
#endif