blob: fae1232b0ce20e4fbc093155663312a1e0b915ba [file] [log] [blame]
/* Copyright (c) 2011-2013, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _CORESIGHT_PRIV_H
#define _CORESIGHT_PRIV_H
#include <linux/bitops.h>
/* Coresight management registers (0xF00-0xFCC)
* 0xFA0 - 0xFA4: Management registers in PFTv1.0
* Trace registers in PFTv1.1
*/
#define CORESIGHT_ITCTRL (0xF00)
#define CORESIGHT_CLAIMSET (0xFA0)
#define CORESIGHT_CLAIMCLR (0xFA4)
#define CORESIGHT_LAR (0xFB0)
#define CORESIGHT_LSR (0xFB4)
#define CORESIGHT_AUTHSTATUS (0xFB8)
#define CORESIGHT_DEVID (0xFC8)
#define CORESIGHT_DEVTYPE (0xFCC)
#define CORESIGHT_UNLOCK (0xC5ACCE55)
#define TIMEOUT_US (100)
#define BM(lsb, msb) ((BIT(msb) - BIT(lsb)) + BIT(msb))
#define BMVAL(val, lsb, msb) ((val & BM(lsb, msb)) >> lsb)
#define BVAL(val, n) ((val & BIT(n)) >> n)
#ifdef CONFIG_CORESIGHT_FUSE
extern bool coresight_fuse_access_disabled(void);
extern bool coresight_fuse_apps_access_disabled(void);
#else
static inline bool coresight_fuse_access_disabled(void) { return false; }
static inline bool coresight_fuse_apps_access_disabled(void) { return false; }
#endif
#ifdef CONFIG_CORESIGHT_CSR
extern void msm_qdss_csr_enable_bam_to_usb(void);
extern void msm_qdss_csr_disable_bam_to_usb(void);
extern void msm_qdss_csr_disable_flush(void);
extern int coresight_csr_hwctrl_set(uint64_t addr, uint32_t val);
extern void coresight_csr_set_byte_cntr(uint32_t);
#else
static inline void msm_qdss_csr_enable_bam_to_usb(void) {}
static inline void msm_qdss_csr_disable_bam_to_usb(void) {}
static inline void msm_qdss_csr_disable_flush(void) {}
static inline int coresight_csr_hwctrl_set(uint64_t addr,
uint32_t val) { return -ENOSYS; }
static inline void coresight_csr_set_byte_cntr(uint32_t val) {}
#endif
#ifdef CONFIG_CORESIGHT_ETM
extern unsigned int etm_readl_cp14(uint32_t off);
extern void etm_writel_cp14(uint32_t val, uint32_t off);
#else
static inline unsigned int etm_readl_cp14(uint32_t off) { return 0; }
static inline void etm_writel_cp14(uint32_t val, uint32_t off) {}
#endif
#endif