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P5040/P5020 Reference Design Board User Guide, Rev. 0
Freescale Semiconductor
63
Programming Model
Figure 39. Configuration Sequencer Status Register (PX_VSTAT)
7.1.19
P5040/P5020RDB Status Register (PX_HSTAT)
The P5040/P5020RDB status register can be used to monitor optional connectivity.
Figure 40. P5040/P5020RDBP5040/P5020RDB Status Register (PX_HSTAT)
7.1.20
OCM Control/Status Register (PX_OCMCSR)
The OCM control/status register is a general-purpose R/W register that communicates between
P5040/P5020 and the FPGA GMSA processor.
0
1
2
3
4
5
6
7
R
—
—
—
—
—
—
—
BUSY
W
Reset
0
0
0
0
0
0
0
0
Offset
0x11
Table 46. PX_VSTAT Field Descriptions
Bits
Name
Description
0–6
—
Reserved
7
BUSY
• 0 - VELA sequencer is idle.
• 1 - VELA sequencer is busy.
0
1
2
3
4
5
6
7
R
—
—
—
—
—
—
PRESENT
_1588
NAND_TYPE
W
Reset
0
0
0
0
0
0
1
1
Offset
0x12
Table 47. PX_HSTAT Field Descriptions
Bits
Name
Description
0–5
—
Reserved
6
PRESENT_1588
• 0 - Detects 1588 riser card
• 1 - No riser card
7
NAND_TYPE
• 0 - Micron MT29F4G08ABADAWP:D
• 1 - Numonix NAND08GW3B2CN1E