4.1.3.1 Memory Region R Base Address Register (0x00000000 + 16×R)
The Memory Region R Base Address Register (Figure 4-8) is written by the host to set the base address of memory region R. This memory region will store a number of descriptors of a particular size as determined by the Memory Region R Control Register. Note: In KeyStone I, memory region base addresses must be set in ascending order, i.e. region 0 must be at a lower address than region 1, region 1 must be at a lower address than region 2, etc. In KeyStone II, this restriction is removed, and memory regions need not be programmed in order (i.e. you can program regions 1, 2, 3, 5, and not 4).
Figure 4-8 Memory Region R Base Address Register (0x00000000 + 16×R)
Legend: R/W = Read/Write; - n = value after reset |
Table 4-10 Memory Region R Base Address Register Field Descriptions
Bit |
Field |
Description |
31-0 |
REGR_BASE |
This field contains the base address of the memory region R. |