![]() |
Altera SoCAL
16.0
The Altera SoC Abstraction Layer (SoCAL) API Reference Manual
|
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 |
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 |
#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.
The typedef declaration for register ALT_EMAC_GMAC_SYS_TIME_SECS_UPDATE.