/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2019 MediaTek Inc. */ #ifndef __SYSTRAKCER_V2_H__ #define __SYSTRAKCER_V2_H__ #include #define BUS_DBG_CON (BUS_DBG_BASE) #define BUS_DBG_CON_INFRA (BUS_DBG_INFRA_BASE) #define BUS_DBG_TIMER_CON0 (BUS_DBG_BASE + 0x0004) #define BUS_DBG_TIMER_CON1 (BUS_DBG_BASE + 0x0008) #define BUS_DBG_TIMER_R0 (BUS_DBG_BASE + 0x000C) #define BUS_DBG_TIMER_R1 (BUS_DBG_BASE + 0x0010) #define BUS_DBG_WP (BUS_DBG_BASE + 0x0014) #define BUS_DBG_WP_MASK (BUS_DBG_BASE + 0x0018) #define BUS_DBG_MON (BUS_DBG_BASE + 0x001C) #define BUS_DBG_W_TRACK_DATA_VALID (BUS_DBG_BASE + 0x0020) #define BUS_DBG_AR_TRACK_L(__n) (BUS_DBG_BASE + 0x0100 + 8 * (__n)) #define BUS_DBG_AR_TRACK_H(__n) (BUS_DBG_BASE + 0x0104 + 8 * (__n)) #define BUS_DBG_AR_TRANS_TID(__n) (BUS_DBG_BASE + 0x0180 + 4 * (__n)) #define BUS_DBG_AW_TRACK_L(__n) (BUS_DBG_BASE + 0x0200 + 8 * (__n)) #define BUS_DBG_AW_TRACK_H(__n) (BUS_DBG_BASE + 0x0204 + 8 * (__n)) #define BUS_DBG_AW_TRANS_TID(__n) (BUS_DBG_BASE + 0x0280 + 4 * (__n)) #define BUS_DBG_W_TRACK_DATA6 (BUS_DBG_BASE + 0x02D8) #define BUS_DBG_W_TRACK_DATA7 (BUS_DBG_BASE + 0x02DC) #define BUS_DBG_BUS_MHZ (266) #define BUS_DBG_NUM_TRACKER (8) #define BUS_DBG_CON_BUS_DBG_EN (0x00000001) #define BUS_DBG_CON_TIMEOUT_EN (0x00000002) #define BUS_DBG_CON_SLV_ERR_EN (0x00000004) #define BUS_DBG_CON_WP_EN (0x00000108) #define BUS_DBG_CON_IRQ_AR_EN (0x00000010) #define BUS_DBG_CON_IRQ_AW_EN (0x00000020) #define BUS_DBG_CON_SW_RST_DN (0x00000040) /* more human-readable register name than above one */ #define BUS_DBG_CON_IRQ_WP_EN (0x00000040) #define BUS_DBG_CON_IRQ_CLR (0x00000080) #define BUS_DBG_CON_IRQ_AR_STA0 (0x00000100) #define BUS_DBG_CON_IRQ_AW_STA0 (0x00000200) #define BUS_DBG_CON_IRQ_WP_STA (0x00000400) #define BUS_DBG_CON_WDT_RST_EN (0x00001000) #define BUS_DBG_CON_HALT_ON_EN (0x00002000) #define BUS_DBG_CON_BUS_OT_EN (0x00004000) #define BUS_DBG_CON_SW_RST (0x00010000) #define BUS_DBG_CON_IRQ_AR_STA1 (0x00100000) #define BUS_DBG_CON_IRQ_AW_STA1 (0x00200000) #define BUS_DBG_CON_TIMEOUT_CLR (0x00800000) /* detect all stages of timeout */ #define BUS_DBG_CON_TIMEOUT \ (BUS_DBG_CON_IRQ_AR_STA0 | BUS_DBG_CON_IRQ_AW_STA0| \ BUS_DBG_CON_IRQ_AR_STA1 | BUS_DBG_CON_IRQ_AW_STA1) #define BUS_DBG_CON_IRQ_EN \ (BUS_DBG_CON_IRQ_AR_EN | BUS_DBG_CON_IRQ_AW_EN | \ BUS_DBG_CON_IRQ_WP_EN) #define BUS_DBG_MAX_TIMEOUT_VAL (0xffffffff) static inline unsigned int extract_n2mbits(unsigned int input, int n, int m) { /* * 1. ~0 = 1111 1111 1111 1111 1111 1111 1111 1111 * 2. ~0 << (m - n + 1) = 1111 1111 1111 1111 1100 0000 0000 0000 * // assuming we are extracting 14 bits, the +1 is added * for inclusive selection * 3. ~(~0 << (m - n + 1)) = 0000 0000 0000 0000 0011 1111 1111 1111 */ int mask; if (n > m) { n = n + m; m = n - m; n = n - m; } mask = ~(~0 << (m - n + 1)); return ((input >> n) & mask); } struct mt_systracker_driver { struct platform_driver driver; struct platform_device device; u32 support_2_stage_timeout; void (*reset_systracker)(void); int (*enable_watchpoint)(void); int (*disable_watchpoint)(void); int (*set_watchpoint_address)(unsigned int wp_phy_address); void (*enable_systracker)(void); void (*disable_systracker)(void); int (*test_systracker)(void); int (*systracker_probe)(struct platform_device *pdev); unsigned int (*systracker_timeout_value)(void); unsigned int (*systracker_timeout2_value)(void); int (*systracker_remove)(struct platform_device *pdev); int (*systracker_suspend)(struct platform_device *pdev, pm_message_t state); int (*systracker_resume)(struct platform_device *pdev); int (*systracker_hook_fault)(void); int (*systracker_test_init)(void); void (*systracker_test_cleanup)(void); void (*systracker_wp_test)(void); void (*systracker_read_timeout_test)(void); void (*systracker_write_timeout_test)(void); void (*systracker_withrecord_test)(void); void (*systracker_notimeout_test)(void); }; struct systracker_entry_t { unsigned int dbg_con; unsigned int dbg_con_infra; unsigned int ar_track_l[BUS_DBG_NUM_TRACKER]; unsigned int ar_track_h[BUS_DBG_NUM_TRACKER]; unsigned int ar_trans_tid[BUS_DBG_NUM_TRACKER]; unsigned int aw_track_l[BUS_DBG_NUM_TRACKER]; unsigned int aw_track_h[BUS_DBG_NUM_TRACKER]; unsigned int aw_trans_tid[BUS_DBG_NUM_TRACKER]; unsigned int w_track_data6; unsigned int w_track_data7; unsigned int w_track_data_valid; }; struct systracker_config_t { int state; int enable_timeout; int enable_slave_err; int enable_wp; int enable_irq; int timeout_ms; int timeout2_ms; int wp_phy_address; }; int tracker_dump(char *buf); void dump_backtrace_entry_ramconsole_print (unsigned long where, unsigned long from, unsigned long frame); void dump_regs (const char *fmt, const char v1, const unsigned int reg, const unsigned int reg_val); static void save_entry(void); static int systracker_probe(struct platform_device *pdev); static int systracker_remove(struct platform_device *pdev); static int systracker_suspend (struct platform_device *pdev, pm_message_t state); static int systracker_resume(struct platform_device *pdev); static void systracker_reset(void); static void systracker_enable(void); static void systracker_disable(void); int systracker_set_watchpoint_addr(unsigned int phy_addr); int systracker_watchpoint_disable(void); int systracker_watchpoint_enable(void); /* #define SYSTRACKER_TEST_SUIT */ /* enable for driver poring test suit */ /* #define TRACKER_DEBUG 0 */ #endif