XRS10L220 Datasheet, PDF (29/38 Pages) Exar Corporation – SERIAL ATA II: PORT MULTIPLIER / PORT SELECTOR

REV. 1.02
EXSTOR - 1 XRS10L220
SERIAL ATA II: PORT MULTIPLIER / PORT SELECTOR
5.3 XRS10L220 Device Generic Registers
This section outlines generic registers relating to the XRS10L220 as a whole. These registers are accessed
through MDIO device 0.
ADDRESS
HEX
BIT(S)
0.0004 3:0
0.0030 7:0
0.0031 7:0
0.0032 7:0
TABLE 15: RESET CONTROL SIGNALS
NAME
TYPE RESET VALUE
DESCRIPTION
resetPLLB_reg[3:0]
RW
revision_id[7:0]
R/O
device_id [15:8]
R/O
device_id [7:0
R/O
0x0F
0x01
0x83
0x07
Resets the PLL portion of the macros
0x00 = PLL reset
0x0F = clears PLL reset
Deivice Revision ID
Device ID MSB
Device ID LSB
ADDRESS
HEX
0.009A
BIT(S)
7:3
2
1
0
TABLE 16: SATA PORT SELECTOR REGISTERS
NAME
TYPE RESET VALUE
DESCRIPTION
Reserved
RW
p_host_sel
RW
p_side_mthd
RW
p_sel_mthd
RW
00100
0
0
0
DO NOT MODIFY
Side band port selection
1 = Select Host port 1
0 = Select Host port 0
1 = p_host_sel based sideband selection
0 = external pin based sideband selection
Please refer to Table 2, “Host Port
Selection,” on page 6
REGISTER BIT(S)
GSCR(0)
Product
Identifier
31 - 16
15 - 0
TABLE 17: PORT MULTIPLIER SATA STANDARD REGISTERS
NAME
TYPE
DEFAULT
VALUE
DESCRIPTION
Device ID
R/O 0x8307 Device ID allocated by the vendor.
Vendor ID
R/O 0x13A8 Vendor ID allocated by the PCI-SIG of the vendor
that produced the Port Multiplier.
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