Table 3-39, Table 3-40 – Kontron COMe-cP2020 User Manual
Page 58
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COMe-P2020 User Guide
58
Table 3-39:
0x300: Default Boot ROM Location Configuration Register
ACTION
D7
D6
D5
D4
D3
D2
D1
D0
READ
NU
NU
NU
NU
cfg_rom_loc[0:3]
WRITE
NU
NU
NU
NU
NU
POWER UP
1
1
1
1
1
1
1
1
BITFIELD
DESCRIPTION
[D3-D0]
0000
PCI Express 1
0001
PCI Express 1
0010
Serial RapidIO 1
0011
Serial RapidIO 2
0100
DDR Controller
0101
PCI Express 3
0110
On-chip boot ROM-SPI configuration
0111
On-chip boot ROM-eSDHC configuration
1000
Local bus FCM-8-bit NAND flash small page
1001
Reserved
1010
Local bus FCM-8-bit NAND flash large page
1011
Reserved
1100
Reserved
1101
Local bus GPCM-8-bit
1110
Local bus GPCM-16-bit ROM
1111
Local bus GPCM-16-bit ROM (default)
Table 3-40:
0x301: Default Host/Agent Configuration Register
ACTION
D7
D6
D5
D4
D3
D2
D1
D0
READ
NU
NU
NU
NU
NU
cfg_host_agt[0:2]
WRITE
NU
NU
NU
NU
NU
POWER UP
0
0
0
0
0
1
1
1
BITFIELD
DESCRIPTION
[D0-D2]
000
P2020 acts as an agent on all its PCI Express and SRIO interfaces.
001
P2020 acts as an agent on PCI Express 1 or host on Serial RapidIO 2.
P2020 acts as a host on PCI Express 2/Serial RapidIO 1.P2020 acts as a host on PCI Express 3
010
P2020 acts as a host on PCI Express 1 or agent on Serial RapidIO 2.
P2020 acts as an agent on PCI Express 2/Serial RapidIO 1.
P2020 acts as a host on PCI Express 3
011
P2020 acts as a host on PCI Express 1/Serial RapidIO 2.
P2020 acts as a host on PCI Express 2/Serial RapidIO 1.
P2020 acts as an agent on PCI Express 3
100
P2020 acts as an agent on PCI Express 1/Serial RapidIO 2.
P2020 acts as an agent on PCI Express 2/Serial RapidIO 1.
P2020 acts as a host on PCI Express 3
101
P2020 acts as an agent on PCI Express 1 or host on Serial RapidIO 2.
P2020 acts as a host on PCI Express 2/Serial RapidIO 1.
P2020 acts as an agent on PCI Express
110
P2020 acts as a host on PCI Express 1 or agent on Serial RapidIO 2.
P2020 acts as an agent on PCI Express 2/Serial RapidIO 1.
P2020 acts as an agent on PCI Express
111
P2020 acts as the host processor/root complex for all PCI Express/Serial
RapidIO interfaces.