Quick Reference For Dma Programming; Dma Quick Reference For Internal Peripherals - Intel PXA255 Developer's Manual

5.2.2

Quick Reference for DMA Programming

Use Table 5-5
Table 5-5. DMA Quick Reference for Internal Peripherals (Sheet 1 of 2)
Unit Function
receive
I2S
transmit
receive
BTUART
transmit
receive
FFUART
transmit
microphone
modem
receive
AC97 modem
transmit
audio receive
audio transmit
receive
SSP
transmit
receive
FICP
transmit
receive
STUART
transmit
receive
MMC
transmit
Intel® PXA255 Processor Developer's Manual
as a quick reference sheet for programming the DMA.
Width
FIFO Address
(bytes)
0x4040_0080 4
0x4040_0080 4
0x4020_0000 1
0x4020_0000 1
0x4010_0000 1
0x4010_0000 1
0x4050_0060 4
0x4050_0140 4
0x4050_0140 4
0x4050_0040 4
0x4050_0040 4
0x4100_0010 2
0x4100_0010 2
0x4080_000C 1
0x4080_000C 1
0x4070_0000 1
0x4070_0000 1
0x4110_0040 1
0x4110_0044 1
DCMD.
Burst Size
Width
(bytes)
(binary)
11 8, 16, 32
11 8, 16, 32
01 8, 16, 32
8, 16, 32 or
01
trailing
01 8, 16, 32
8, 16, 32 or
01
trailing
11 8, 16, 32
11 8, 16, 32
11 8, 16, 32
11 8, 16, 32
11 8, 16, 32
10 8, 16
10 8, 16
01 8, 16, 32
8, 16, 32 or
01
trailing
01 8, 16, 32
8, 16, 32, or
01
trailing
01 32 or trailing
01 32 or trailing
DMA Controller
Source
or DRCMR
Target
Source 0x4000_0108
Target 0x4000_010c
Source 0x4000_0110
Target 0x4000_0114
Source 0x4000_0118
Target 0x4000_011c
Source 0x4000_0120
Source 0x4000_0124
Target 0x4000_0128
Source 0x4000_012c
Target 0x4000_0130
Source 0x4000_0134
Target 0x4000_0138
Source 0x4000_0144
Target 0x4000_0148
Source 0x4000_014c
Target 0x4000_0150
Source 0x4000_0154
Target 0x4000_0158
5-13