CS5535 datasheet(307/555 Pages) NSC

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DIVIL Register Descriptions (Continued)

5.6.1.6

GeodeLink Device Diagnostic MSR (DIVIL_GLD_MSR_DIAG)

This register is reserved for internal use by National and should not be written to.

5.6.2

DIVIL Specific MSRs

Refer to Section 4.6 "Diverse Integration Logic" on page 96 for an explanation and block diagram of the address compari-

son mechanism of the base address and the address lines.

Note that the I/O space 04FFh-0000h is off limits to I/O LBARs.

5.6.2.1

Local BAR - IRQ Mapper (DIVIL_LBAR_IRQ)

See Section 4.6.1 "LBARs and Comparators" on page 97 for operational details.

The IRQ Mapper takes 32 bytes of I/O space. Use of this LBAR is optional. The IRQ Mapper is always available via MSR

space.

1:0

PMODE0

Power Mode for GeodeLink Adapter GeodeLink Interface. See bits [31:30] for

decode.

MSR Address

51400005h

Type

R/W

Reset Value

00000000_00000000h

MSR Address

51400008h

Type

R/W

Reset Value

00000000_00000000h

DIVIL_LBAR_IRQ Register Map

63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32

RSVD

IO_MASK

RSVD

31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10

87654321

RSVD

BASE_ADDR

RSVD

DIVIL_MSR_LBAR_IRQ Bit Descriptions

Bit

Name

Description

63:49

RSVD

Reserved. Reads return 0; writes have no effect.

RSVD

Reserved. Always write 0.

47:44

IO_MASK

I/O Address Mask Value. See discussion in Section 4.6.1 "LBARs and Comparators"

on page 97.

43:33

RSVD

Reserved. Reads return 0; writes have no effect.

LBAR_EN

LBAR Enable.

0: Disable address detection by this LBAR.

1: Enable address detection by this LBAR.

31:20

RSVD

Reserved. Reads return 0; writes have no effect.

RSVD

Reserved. Always write 0.

DIVIL_GLD_MSR_PM Bit Descriptions (Continued)

Bit

Name

Description

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