LSI LSI53C1000, Technical Manual

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PCI Configuration Registers 4-11
Registers: 0x1C–0x1F
Base Address Register Three (BAR3) (SCRIPTS RAM)
Read/Write
BAR3 Base Address Register Three [31:0]
This base address register, in conjunction with Base
Address Register Four (BAR4) (SCRIPTS RAM) , is used
to map the SCRIPTS RAM into memory space and
represents the lower 32 bits of the memory address.
Bits [12:0] are hardwired to 0b0000000000100. The
default value of this register is 0x00000004. The
LSI53C1000 requires 8192 bytes of memory space for
SCRIPTS RAM. For detailed information on the operation
of this register, refer to the PCI 2.2 specification.
Registers: 0x20–0x23
Base Address Register Four (BAR4) (SCRIPTS RAM)
Read/Write
BAR4 Base Address Register Four [31:0]
This base address register, in conjunction with Base
Address Register Three (BAR3) (SCRIPTS RAM) , is
used to map the SCRIPTS RAM into memory space and
represents the upper 32 bits of the memory address. The
default value of this register is 0x00000000. The
LSI53C1000 requires 8192 bytes of memory space for
SCRIPTS RAM. For detailed information on the operation
of this register, refer to the PCI 2.2 specification.
31 0
BAR3
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0
31 0
BAR4
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0