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Descriptor Overview
4.1.4
Flash Descriptor Master Section
4.1.4.1
FLMSTR1—Flash Master 1 (Host CPU/ BIOS)
(Flash Descriptor Records)
Memory Address: FMBA + 000h
Bits
31:24
23:16
15:0
4.1.4.2
FLMSTR2—Flash Master 2 (Intel
(Flash Descriptor Records)
Memory Address: FMBA + 004h
Bits
31:24
23:16
15:0
4.1.4.3
FLMSTR3—Flash Master 3 (GbE)
(Flash Descriptor Records)
Memory Address: FMBA + 008h
Bits
31:24
23:16
15:0
523462
Master Region Write Access: Each bit [31:24] corresponds to Regions [7:0]. If the bit is set, this
master can erase and write that particular region through register accesses.
Bit 23 is a don't care as the primary master always has read/write permission to it's primary region
Master Region Read Access: Each bit [23:16] corresponds to Regions [7:0]. If the bit is set, this
master can read that particular region through register accesses.
Bit 17 is a don't care as the primary master always read/write permission to it's primary region.
Requester ID: This is the Requester ID (Bus/Device/Function Number_ of the Host CPU
For the host CPU, this should be set to Bus/Device/Function: 0/0/0
Master Region Write Access: Each bit [31:24] corresponds to Regions [7:0]. If the bit is set, this
master can erase and write that particular region through register accesses.
Bit 26 is a don't care as the primary master always has read/write permission to it's primary region
Master Region Read Access: Each bit [23:16] corresponds to Regions [7:0]. If the bit is set, this
master can read that particular region through register accesses.
Bit 18 is a don't care as the primary master always read/write permission to it's primary region.
Requester ID: This is the Requester ID (Bus/Device/Function Number_ of the ME
Master Region Write Access: Each bit [31:24] corresponds to Regions [7:0]. If the bit is set, this
master can erase and write that particular region through register accesses.
Bit 27 is a don't care as the primary master always has read/write permission to it's primary region
Master Region Read Access: Each bit [23:16] corresponds to Regions [7:0]. If the bit is set, this
master can read that particular region through register accesses.
Bit 19 is a don't care as the primary master always read/write permission to it's primary region.
Requester ID: This is the Requester ID (Bus/Device/Function Number_ of the GbE
Intel Confidential
Size: 32 bits
Description
ME)
®
Size:32 bits
Description
Size:32 bits
Description
31
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