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Altera SoCAL
16.0
The Altera SoC Abstraction Layer (SoCAL) API Reference Manual
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The GMII Data register stores Write data to be written to the PHY register located at the address specified in Register 4 (GMII Address Register). This register also stores the Read data from the PHY register located at the address specified by Register 4.
Register Layout
Bits | Access | Reset | Description |
---|---|---|---|
[15:0] | RW | 0x0 | GMII Data |
[31:16] | ??? | 0x0 | UNDEFINED |
Field : GMII Data - gd | |
This field contains the 16-bit data value read from the PHY or RevMII after a Management Read operation or the 16-bit data value to be written to the PHY or RevMII before a Management Write operation. Field Access Macros: | |
#define | ALT_EMAC_GMAC_GMII_DATA_GD_LSB 0 |
#define | ALT_EMAC_GMAC_GMII_DATA_GD_MSB 15 |
#define | ALT_EMAC_GMAC_GMII_DATA_GD_WIDTH 16 |
#define | ALT_EMAC_GMAC_GMII_DATA_GD_SET_MSK 0x0000ffff |
#define | ALT_EMAC_GMAC_GMII_DATA_GD_CLR_MSK 0xffff0000 |
#define | ALT_EMAC_GMAC_GMII_DATA_GD_RESET 0x0 |
#define | ALT_EMAC_GMAC_GMII_DATA_GD_GET(value) (((value) & 0x0000ffff) >> 0) |
#define | ALT_EMAC_GMAC_GMII_DATA_GD_SET(value) (((value) << 0) & 0x0000ffff) |
Data Structures | |
struct | ALT_EMAC_GMAC_GMII_DATA_s |
Macros | |
#define | ALT_EMAC_GMAC_GMII_DATA_OFST 0x14 |
#define | ALT_EMAC_GMAC_GMII_DATA_ADDR(base) ALT_CAST(void *, (ALT_CAST(char *, (base)) + ALT_EMAC_GMAC_GMII_DATA_OFST)) |
Typedefs | |
typedef struct ALT_EMAC_GMAC_GMII_DATA_s | ALT_EMAC_GMAC_GMII_DATA_t |
struct ALT_EMAC_GMAC_GMII_DATA_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_GMII_DATA.
Data Fields | ||
---|---|---|
uint32_t | gd: 16 | GMII Data |
uint32_t | __pad0__: 16 | UNDEFINED |
#define ALT_EMAC_GMAC_GMII_DATA_GD_LSB 0 |
The Least Significant Bit (LSB) position of the ALT_EMAC_GMAC_GMII_DATA_GD register field.
#define ALT_EMAC_GMAC_GMII_DATA_GD_MSB 15 |
The Most Significant Bit (MSB) position of the ALT_EMAC_GMAC_GMII_DATA_GD register field.
#define ALT_EMAC_GMAC_GMII_DATA_GD_WIDTH 16 |
The width in bits of the ALT_EMAC_GMAC_GMII_DATA_GD register field.
#define ALT_EMAC_GMAC_GMII_DATA_GD_SET_MSK 0x0000ffff |
The mask used to set the ALT_EMAC_GMAC_GMII_DATA_GD register field value.
#define ALT_EMAC_GMAC_GMII_DATA_GD_CLR_MSK 0xffff0000 |
The mask used to clear the ALT_EMAC_GMAC_GMII_DATA_GD register field value.
#define ALT_EMAC_GMAC_GMII_DATA_GD_RESET 0x0 |
The reset value of the ALT_EMAC_GMAC_GMII_DATA_GD register field.
#define ALT_EMAC_GMAC_GMII_DATA_GD_GET | ( | value | ) | (((value) & 0x0000ffff) >> 0) |
Extracts the ALT_EMAC_GMAC_GMII_DATA_GD field value from a register.
#define ALT_EMAC_GMAC_GMII_DATA_GD_SET | ( | value | ) | (((value) << 0) & 0x0000ffff) |
Produces a ALT_EMAC_GMAC_GMII_DATA_GD register field value suitable for setting the register.
#define ALT_EMAC_GMAC_GMII_DATA_OFST 0x14 |
The byte offset of the ALT_EMAC_GMAC_GMII_DATA register from the beginning of the component.
#define ALT_EMAC_GMAC_GMII_DATA_ADDR | ( | base | ) | ALT_CAST(void *, (ALT_CAST(char *, (base)) + ALT_EMAC_GMAC_GMII_DATA_OFST)) |
The address of the ALT_EMAC_GMAC_GMII_DATA register.
typedef struct ALT_EMAC_GMAC_GMII_DATA_s ALT_EMAC_GMAC_GMII_DATA_t |
The typedef declaration for register ALT_EMAC_GMAC_GMII_DATA.