![]() |
Altera SoCAL
16.0
The Altera SoC Abstraction Layer (SoCAL) API Reference Manual
|
DMA Addressing.
Register Layout
Bits | Access | Reset | Description |
---|---|---|---|
[31:0] | RW | Unknown | DMA Address |
Field : DMA Address - diepdma5 | |
Holds the start address of the external memory for storing or fetching endpoint data. for control endpoints, this field stores control OUT data packets as well as SETUP transaction data packets. When more than three SETUP packets are received back-to-back, the SETUP data packet in the memory is overwritten. This register is incremented on every AHB transaction. The application can give only a DWORD-aligned address. When Scatter/Gather DMA mode is not enabled, the application programs the start address value in this field. When Scatter/Gather DMA mode is enabled, this field indicates the base pointer for the descriptor list. Field Access Macros: | |
#define | ALT_USB_DEV_DIEPDMA5_DIEPDMA5_LSB 0 |
#define | ALT_USB_DEV_DIEPDMA5_DIEPDMA5_MSB 31 |
#define | ALT_USB_DEV_DIEPDMA5_DIEPDMA5_WIDTH 32 |
#define | ALT_USB_DEV_DIEPDMA5_DIEPDMA5_SET_MSK 0xffffffff |
#define | ALT_USB_DEV_DIEPDMA5_DIEPDMA5_CLR_MSK 0x00000000 |
#define | ALT_USB_DEV_DIEPDMA5_DIEPDMA5_RESET 0x0 |
#define | ALT_USB_DEV_DIEPDMA5_DIEPDMA5_GET(value) (((value) & 0xffffffff) >> 0) |
#define | ALT_USB_DEV_DIEPDMA5_DIEPDMA5_SET(value) (((value) << 0) & 0xffffffff) |
Data Structures | |
struct | ALT_USB_DEV_DIEPDMA5_s |
Macros | |
#define | ALT_USB_DEV_DIEPDMA5_OFST 0x1b4 |
#define | ALT_USB_DEV_DIEPDMA5_ADDR(base) ALT_CAST(void *, (ALT_CAST(char *, (base)) + ALT_USB_DEV_DIEPDMA5_OFST)) |
Typedefs | |
typedef struct ALT_USB_DEV_DIEPDMA5_s | ALT_USB_DEV_DIEPDMA5_t |
struct ALT_USB_DEV_DIEPDMA5_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_DEV_DIEPDMA5.
Data Fields | ||
---|---|---|
uint32_t | diepdma5: 32 | DMA Address |
#define ALT_USB_DEV_DIEPDMA5_DIEPDMA5_LSB 0 |
The Least Significant Bit (LSB) position of the ALT_USB_DEV_DIEPDMA5_DIEPDMA5 register field.
#define ALT_USB_DEV_DIEPDMA5_DIEPDMA5_MSB 31 |
The Most Significant Bit (MSB) position of the ALT_USB_DEV_DIEPDMA5_DIEPDMA5 register field.
#define ALT_USB_DEV_DIEPDMA5_DIEPDMA5_WIDTH 32 |
The width in bits of the ALT_USB_DEV_DIEPDMA5_DIEPDMA5 register field.
#define ALT_USB_DEV_DIEPDMA5_DIEPDMA5_SET_MSK 0xffffffff |
The mask used to set the ALT_USB_DEV_DIEPDMA5_DIEPDMA5 register field value.
#define ALT_USB_DEV_DIEPDMA5_DIEPDMA5_CLR_MSK 0x00000000 |
The mask used to clear the ALT_USB_DEV_DIEPDMA5_DIEPDMA5 register field value.
#define ALT_USB_DEV_DIEPDMA5_DIEPDMA5_RESET 0x0 |
The reset value of the ALT_USB_DEV_DIEPDMA5_DIEPDMA5 register field is UNKNOWN.
#define ALT_USB_DEV_DIEPDMA5_DIEPDMA5_GET | ( | value | ) | (((value) & 0xffffffff) >> 0) |
Extracts the ALT_USB_DEV_DIEPDMA5_DIEPDMA5 field value from a register.
#define ALT_USB_DEV_DIEPDMA5_DIEPDMA5_SET | ( | value | ) | (((value) << 0) & 0xffffffff) |
Produces a ALT_USB_DEV_DIEPDMA5_DIEPDMA5 register field value suitable for setting the register.
#define ALT_USB_DEV_DIEPDMA5_OFST 0x1b4 |
The byte offset of the ALT_USB_DEV_DIEPDMA5 register from the beginning of the component.
#define ALT_USB_DEV_DIEPDMA5_ADDR | ( | base | ) | ALT_CAST(void *, (ALT_CAST(char *, (base)) + ALT_USB_DEV_DIEPDMA5_OFST)) |
The address of the ALT_USB_DEV_DIEPDMA5 register.
typedef struct ALT_USB_DEV_DIEPDMA5_s ALT_USB_DEV_DIEPDMA5_t |
The typedef declaration for register ALT_USB_DEV_DIEPDMA5.