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#ifndef _SYSTRAKCER_H
#define _SYSTRAKCER_H
#include <linux/platform_device.h>
#define BUS_DBG_CON (BUS_DBG_BASE + 0x0000)
#define BUS_DBG_TIMER_CON (BUS_DBG_BASE + 0x0004)
#define BUS_DBG_TIMER (BUS_DBG_BASE + 0x0008)
#define BUS_DBG_WP (BUS_DBG_BASE + 0x000C)
#define BUS_DBG_WP_MASK (BUS_DBG_BASE + 0x0010)
#define BUS_DBG_MON (BUS_DBG_BASE + 0x0014)
#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_BUS_MHZ (266)
#define BUS_DBG_NUM_TRACKER (8)
#define BUS_DBG_CON_DEFAULT_VAL (0x00006036)
#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 (0x00000008)
#define BUS_DBG_CON_IRQ_AR_EN (0x00000010)
#define BUS_DBG_CON_IRQ_AW_EN (0x00000020)
#define BUS_DBG_CON_SW_RST_DN (0x00000040)
/* DE uses exotic name for ESO items... we use another human-readable name */
#define BUS_DBG_CON_IRQ_WP_EN (0x00000040)
#define BUS_DBG_CON_IRQ_CLR (0x00000080)
#define BUS_DBG_CON_IRQ_AR_STA (0x00000100)
#define BUS_DBG_CON_IRQ_AW_STA (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_EN (BUS_DBG_CON_IRQ_AR_EN | BUS_DBG_CON_IRQ_AW_EN | BUS_DBG_CON_IRQ_WP_EN)
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;
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);
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 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];
};
struct systracker_config_t
{
int state;
int enable_timeout;
int enable_slave_err;
int enable_wp;
int enable_irq;
int timeout_ms;
int wp_phy_address;
};
extern int tracker_dump(char *buf);
extern void dump_backtrace_entry_ramconsole_print(unsigned long where, unsigned long from, unsigned long frame);
extern void dump_regs(const char *fmt, const char v1, const unsigned int reg, const unsigned int reg_val);
extern struct mt_systracker_driver *get_mt_systracker_drv(void);
extern void __iomem *BUS_DBG_BASE;
extern int systracker_irq;
extern struct systracker_config_t track_config;
extern struct systracker_entry_t track_entry;
extern unsigned int is_systracker_irq_registered;
extern void save_entry(void);
extern void aee_dump_backtrace(struct pt_regs *regs, struct task_struct *tsk);
extern irqreturn_t systracker_isr(void);
extern int systracker_watchpoint_enable(void);
extern int systracker_set_watchpoint_addr(unsigned phy_addr);
extern void systracker_reset(void);
extern void systracker_enable(void);
extern void systracker_disable(void);
extern int systracker_handler(unsigned long addr, unsigned int fsr, struct pt_regs *regs);
extern int systracker_probe(struct platform_device *pdev);
extern int systracker_remove(struct platform_device *pdev);
extern int systracker_suspend(struct platform_device *pdev, pm_message_t state);
extern int systracker_resume(struct platform_device *pdev);
extern void systracker_reset(void);
extern void systracker_enable(void);
extern void systracker_test_cleanup(void);
//#define SYSTRACKER_TEST_SUIT //enable for driver poring test suit
//#define TRACKER_DEBUG 0
#endif
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