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Altera SoCAL
16.0
The Altera SoC Abstraction Layer (SoCAL) API Reference Manual
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These registers are present only in case of Scatter/Gather DMA. These registers are implemented in RAM instead of flop-based implementation. Holds the current buffer address. This register is updated as and when the data transfer for the corresponding end point is in progress. This register is present only in Scatter/Gather DMA mode. Otherwise this field is reserved.
Register Layout
Bits | Access | Reset | Description |
---|---|---|---|
[31:0] | RW | 0x0 | Host Channel 0 DMA Buffer Address |
Field : Host Channel 0 DMA Buffer Address - hcdmab0 | |
These registers are present only in case of Scatter/Gather DMA. These registers are implemented in RAM instead of flop-based implementation. Holds the current buffer address. This register is updated as and when the data transfer for the corresponding end point is in progress. This register is present only in Scatter/Gather DMA mode. Otherwise this field is reserved. Field Access Macros: | |
#define | ALT_USB_HOST_HCDMAB0_HCDMAB0_LSB 0 |
#define | ALT_USB_HOST_HCDMAB0_HCDMAB0_MSB 31 |
#define | ALT_USB_HOST_HCDMAB0_HCDMAB0_WIDTH 32 |
#define | ALT_USB_HOST_HCDMAB0_HCDMAB0_SET_MSK 0xffffffff |
#define | ALT_USB_HOST_HCDMAB0_HCDMAB0_CLR_MSK 0x00000000 |
#define | ALT_USB_HOST_HCDMAB0_HCDMAB0_RESET 0x0 |
#define | ALT_USB_HOST_HCDMAB0_HCDMAB0_GET(value) (((value) & 0xffffffff) >> 0) |
#define | ALT_USB_HOST_HCDMAB0_HCDMAB0_SET(value) (((value) << 0) & 0xffffffff) |
Data Structures | |
struct | ALT_USB_HOST_HCDMAB0_s |
Macros | |
#define | ALT_USB_HOST_HCDMAB0_OFST 0x118 |
#define | ALT_USB_HOST_HCDMAB0_ADDR(base) ALT_CAST(void *, (ALT_CAST(char *, (base)) + ALT_USB_HOST_HCDMAB0_OFST)) |
Typedefs | |
typedef struct ALT_USB_HOST_HCDMAB0_s | ALT_USB_HOST_HCDMAB0_t |
struct ALT_USB_HOST_HCDMAB0_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_USB_HOST_HCDMAB0.
Data Fields | ||
---|---|---|
uint32_t | hcdmab0: 32 | Host Channel 0 DMA Buffer Address |
#define ALT_USB_HOST_HCDMAB0_HCDMAB0_LSB 0 |
The Least Significant Bit (LSB) position of the ALT_USB_HOST_HCDMAB0_HCDMAB0 register field.
#define ALT_USB_HOST_HCDMAB0_HCDMAB0_MSB 31 |
The Most Significant Bit (MSB) position of the ALT_USB_HOST_HCDMAB0_HCDMAB0 register field.
#define ALT_USB_HOST_HCDMAB0_HCDMAB0_WIDTH 32 |
The width in bits of the ALT_USB_HOST_HCDMAB0_HCDMAB0 register field.
#define ALT_USB_HOST_HCDMAB0_HCDMAB0_SET_MSK 0xffffffff |
The mask used to set the ALT_USB_HOST_HCDMAB0_HCDMAB0 register field value.
#define ALT_USB_HOST_HCDMAB0_HCDMAB0_CLR_MSK 0x00000000 |
The mask used to clear the ALT_USB_HOST_HCDMAB0_HCDMAB0 register field value.
#define ALT_USB_HOST_HCDMAB0_HCDMAB0_RESET 0x0 |
The reset value of the ALT_USB_HOST_HCDMAB0_HCDMAB0 register field.
#define ALT_USB_HOST_HCDMAB0_HCDMAB0_GET | ( | value | ) | (((value) & 0xffffffff) >> 0) |
Extracts the ALT_USB_HOST_HCDMAB0_HCDMAB0 field value from a register.
#define ALT_USB_HOST_HCDMAB0_HCDMAB0_SET | ( | value | ) | (((value) << 0) & 0xffffffff) |
Produces a ALT_USB_HOST_HCDMAB0_HCDMAB0 register field value suitable for setting the register.
#define ALT_USB_HOST_HCDMAB0_OFST 0x118 |
The byte offset of the ALT_USB_HOST_HCDMAB0 register from the beginning of the component.
#define ALT_USB_HOST_HCDMAB0_ADDR | ( | base | ) | ALT_CAST(void *, (ALT_CAST(char *, (base)) + ALT_USB_HOST_HCDMAB0_OFST)) |
The address of the ALT_USB_HOST_HCDMAB0 register.
typedef struct ALT_USB_HOST_HCDMAB0_s ALT_USB_HOST_HCDMAB0_t |
The typedef declaration for register ALT_USB_HOST_HCDMAB0.