Texas Instruments Dual/Single Socket CardBus and UntraMedia Controller PCI7621 User Manual
Page 70

3−14
Table 3−9. EEPROM Loading Map
SERIAL ROM
OFFSET
BYTE DESCRIPTION
00h
CardBus function indicator (00h)
01h
Number of bytes (20h)
PCI 04h, command register, function 0, bits 8, 6−5, 2−0
02h
[7]
Command
register, bit 8
[6]
Command
register, bit 6
[5]
Command
register, bit 5
[4:3]
RSVD
[2]
Command
register, bit 2
[1]
Command
register, bit 1
[0]
Command
register, bit 0
PCI 04h, command register, function 1, bits 8, 6−5, 2−0
03h
[7]
Command
register, bit 8
[6]
Command
register, bit 6
[5]
Command
register, bit 5
[4:3]
RSVD
[2]
Command
register, bit 2
[1]
Command
register, bit 1
[0]
Command
register, bit 0
04h
PCI 40h, subsystem vendor ID, byte 0
05h
PCI 41h, subsystem vendor ID, byte 1
06h
PCI 42h, subsystem ID, byte 0
07h
PCI 43h, subsystem ID, byte 1
08h
PCI 44h, PC Card 16-bit I/F legacy mode base address register, byte 0, bits 7−1
09h
PCI 45h, PC Card 16-bit I/F legacy mode base address register, byte 1
0Ah
PCI 46h, PC Card 16-bit I/F legacy mode base address register, byte 2
0Bh
PCI 47h, PC Card 16-bit I/F legacy mode base address register, byte 3
0Ch
PCI 80h, system control, function 0, byte 0, bits 6−0
0Dh
PCI 80h, system control, function 1, byte 0, bit 2
0Eh
PCI 81h, system control, byte 1, bits 7,6
0Fh
Reserved nonloadable (PCI 82h, system control, byte 2)
10h
PCI 83h, system control, byte 3, bits 7−2, 0
11h
PCI 8Ch, MFUNC routing, byte 0
12h
PCI 8Dh, MFUNC routing, byte 1
13h
PCI 8Eh, MFUNC routing, byte 2
14h
PCI 8Fh, MFUNC routing, byte 3
15h
PCI 90h, retry status, bits 7, 6
16h
PCI 91h, card control, bit 7
17h
PCI 92h, device control, bits 6, 5, 3−0 (bit 0 must be programmed to 0)
18h
PCI 93h, diagnostic, bits 4−0
19h
PCI A2h, power-management capabilities, function 0, bit 15 (bit 7 of EEPROM offset 16h corresponds to bit 15)
1Ah
PCI A2h, power-management capabilities, function 1, bit 15 (bit 7 of EEPROM offset 16h corresponds to bit 15)
1Bh
CB Socket + 0Ch, function 0 socket force event, bit 27 (bit 3 of EEPROM offset 17h corresponds to bit 27)
1Ch
CB Socket + 0Ch, function 1 socket force event, bit 27 (bit 3 of EEPROM offset 18h corresponds to bit 27)
1Dh
ExCA 00h, ExCA identification and revision, bits 7−0
1Eh
PCI 86h, general control, byte 0, bits 7−0
1Fh
PCI 87h, general control, byte 1, bits 7, 6 (can only be set to 1 if bits 1:0 = 01), 4−0
20h
PCI 89h, GPE enable, bits 7, 6, 4−0
21h
PCI 8Bh, general-purpose output, bits 4−0
22h
1394 OHCI function indicator (02h)
23h
Number of bytes (17h)
24h
PCI 3Fh, maximum latency bits 7−4
PCI 3Eh, minimum grant, bits 3−0