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drivers/rtc/rtc-imxdi.c: add more known register bits 

Intended for monitoring and controlling the security features.  These bits
are required to bring this unit back to live after a security violation
event was detected.  The code to bring it back to live will follow after a
vendor clearance.

Signed-off-by: Juergen Borleis <jbe@pengutronix.de>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Juergen Borleis 2015-02-13 14:40:45 -08:00 committed by Linus Torvalds
parent 6df17a6577
commit 46edeffa1f
1 changed files with 40 additions and 4 deletions
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44
drivers/rtc/rtc-imxdi.c
View File

@ -50,22 +50,58 @@
#define DCAMR_UNSET 0xFFFFFFFF /* doomsday - 1 sec */
#define DCR 0x10 /* Control Reg */
#define DCR_TDCHL (1 << 30) /* Tamper-detect configuration hard lock */
#define DCR_TDCSL (1 << 29) /* Tamper-detect configuration soft lock */
#define DCR_KSSL (1 << 27) /* Key-select soft lock */
#define DCR_MCHL (1 << 20) /* Monotonic-counter hard lock */
#define DCR_MCSL (1 << 19) /* Monotonic-counter soft lock */
#define DCR_TCHL (1 << 18) /* Timer-counter hard lock */
#define DCR_TCSL (1 << 17) /* Timer-counter soft lock */
#define DCR_FSHL (1 << 16) /* Failure state hard lock */
#define DCR_TCE (1 << 3) /* Time Counter Enable */
#define DCR_MCE (1 << 2) /* Monotonic Counter Enable */
#define DSR 0x14 /* Status Reg */
#define DSR_WBF (1 << 10) /* Write Busy Flag */
#define DSR_WNF (1 << 9) /* Write Next Flag */
#define DSR_WCF (1 << 8) /* Write Complete Flag */
#define DSR_WTD (1 << 23) /* Wire-mesh tamper detected */
#define DSR_ETBD (1 << 22) /* External tamper B detected */
#define DSR_ETAD (1 << 21) /* External tamper A detected */
#define DSR_EBD (1 << 20) /* External boot detected */
#define DSR_SAD (1 << 19) /* SCC alarm detected */
#define DSR_TTD (1 << 18) /* Temperatur tamper detected */
#define DSR_CTD (1 << 17) /* Clock tamper detected */
#define DSR_VTD (1 << 16) /* Voltage tamper detected */
#define DSR_WBF (1 << 10) /* Write Busy Flag (synchronous) */
#define DSR_WNF (1 << 9) /* Write Next Flag (synchronous) */
#define DSR_WCF (1 << 8) /* Write Complete Flag (synchronous)*/
#define DSR_WEF (1 << 7) /* Write Error Flag */
#define DSR_CAF (1 << 4) /* Clock Alarm Flag */
#define DSR_MCO (1 << 3) /* monotonic counter overflow */
#define DSR_TCO (1 << 2) /* time counter overflow */
#define DSR_NVF (1 << 1) /* Non-Valid Flag */
#define DSR_SVF (1 << 0) /* Security Violation Flag */
#define DIER 0x18 /* Interrupt Enable Reg */
#define DIER 0x18 /* Interrupt Enable Reg (synchronous) */
#define DIER_WNIE (1 << 9) /* Write Next Interrupt Enable */
#define DIER_WCIE (1 << 8) /* Write Complete Interrupt Enable */
#define DIER_WEIE (1 << 7) /* Write Error Interrupt Enable */
#define DIER_CAIE (1 << 4) /* Clock Alarm Interrupt Enable */
#define DIER_SVIE (1 << 0) /* Security-violation Interrupt Enable */
#define DMCR 0x1c /* DryIce Monotonic Counter Reg */
#define DTCR 0x28 /* DryIce Tamper Configuration Reg */
#define DTCR_MOE (1 << 9) /* monotonic overflow enabled */
#define DTCR_TOE (1 << 8) /* time overflow enabled */
#define DTCR_WTE (1 << 7) /* wire-mesh tamper enabled */
#define DTCR_ETBE (1 << 6) /* external B tamper enabled */
#define DTCR_ETAE (1 << 5) /* external A tamper enabled */
#define DTCR_EBE (1 << 4) /* external boot tamper enabled */
#define DTCR_SAIE (1 << 3) /* SCC enabled */
#define DTCR_TTE (1 << 2) /* temperature tamper enabled */
#define DTCR_CTE (1 << 1) /* clock tamper enabled */
#define DTCR_VTE (1 << 0) /* voltage tamper enabled */
#define DGPR 0x3c /* DryIce General Purpose Reg */
/**
* struct imxdi_dev - private imxdi rtc data