Altera SoCAL  16.0
The Altera SoC Abstraction Layer (SoCAL) API Reference Manual
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Register : Register 452 (System Time - Seconds Update Register) - System_Time_Seconds_Update

Description

The System Time - Seconds Update register, along with the System Time - Nanoseconds Update register, initializes or updates the system time maintained by the MAC. You must write both of these registers before setting the TSINIT or TSUPDT bits in the Timestamp Control register.

Register Layout

Bits Access Reset Description
[31:0] RW 0x0 Timestamp Second

Field : Timestamp Second - tss

The value in this field indicates the time in seconds to be initialized or added to the system time.

Field Access Macros:

#define ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_TSS_LSB   0
 
#define ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_TSS_MSB   31
 
#define ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_TSS_WIDTH   32
 
#define ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_TSS_SET_MSK   0xffffffff
 
#define ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_TSS_CLR_MSK   0x00000000
 
#define ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_TSS_RESET   0x0
 
#define ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_TSS_GET(value)   (((value) & 0xffffffff) >> 0)
 
#define ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_TSS_SET(value)   (((value) << 0) & 0xffffffff)
 

Data Structures

struct  ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_s
 

Macros

#define ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_OFST   0x710
 
#define ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_ADDR(base)   ALT_CAST(void *, (ALT_CAST(char *, (base)) + ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_OFST))
 

Typedefs

typedef struct
ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_s 
ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_t
 

Data Structure Documentation

struct ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_s

WARNING: The C register and register group struct declarations are provided for convenience and illustrative purposes. They should, however, be used with caution as the C language standard provides no guarantees about the alignment or atomicity of device memory accesses. The recommended practice for writing hardware drivers is to use the SoCAL access macros and alt_read_word() and alt_write_word() functions.

The struct declaration for register ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE.

Data Fields
uint32_t tss: 32 Timestamp Second

Macro Definitions

#define ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_TSS_LSB   0

The Least Significant Bit (LSB) position of the ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_TSS register field.

#define ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_TSS_MSB   31

The Most Significant Bit (MSB) position of the ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_TSS register field.

#define ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_TSS_WIDTH   32

The width in bits of the ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_TSS register field.

#define ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_TSS_SET_MSK   0xffffffff

The mask used to set the ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_TSS register field value.

#define ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_TSS_CLR_MSK   0x00000000

The mask used to clear the ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_TSS register field value.

#define ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_TSS_RESET   0x0

The reset value of the ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_TSS register field.

#define ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_TSS_GET (   value)    (((value) & 0xffffffff) >> 0)

Extracts the ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_TSS field value from a register.

#define ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_TSS_SET (   value)    (((value) << 0) & 0xffffffff)

Produces a ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_TSS register field value suitable for setting the register.

#define ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_OFST   0x710

The byte offset of the ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE register from the beginning of the component.

#define ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_ADDR (   base)    ALT_CAST(void *, (ALT_CAST(char *, (base)) + ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE_OFST))

The address of the ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE register.

Typedef Documentation