hps_osc_clk 

         The register selects the IO from which we want to route the external oscillator clock to clock manager.The reset value of this register is 3F and this selects value 1'b0. Hence,upon reset none of the IOs are selected and zero is routed to clock manager.
Module Instance Base Address Register Address
i_dedio_pinmux_csr 0xFFD13000 0xFFD13358

Size: 32

Offset: 0x358

Access: RW

Important: The value of a reserved bit must be maintained in software. When you modify registers containing reserved bit fields, you must use a read-modify-write operation to preserve state and prevent indeterminate system behavior.
Bit Fields
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16

Reserved

15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0

Reserved

reg

RW 0x3F

hps_osc_clk Fields

Bit Name Description Access Reset
5:0 reg 
The register selects the IO from which we want to route the external oscillator clock to clock manager.The reset value of this register is 3F and this selects value 1'b0. Hence,upon reset none of the IOs are selected and zero is routed to clock manager.
Value Description
0 Selects IO0
1 Selects IO1
2 Selects IO2
3 Selects IO3
4 Selects IO4
5 Selects IO5
6 Selects IO6
7 Selects IO7
8 Selects IO8
9 Selects IO9
10 Selects IO10
11 Selects IO11
12 Selects IO12
13 Selects IO13
14 Selects IO14
15 Selects IO15
16 Selects IO16
17 Selects IO17
18 Selects IO18
19 Selects IO19
20 Selects IO20
21 Selects IO21
22 Selects IO22
23 Selects IO23
24 Selects IO24
25 Selects IO25
26 Selects IO26
27 Selects IO27
28 Selects IO28
29 Selects IO29
30 Selects IO30
31 Selects IO31
32 Selects IO32
33 Selects IO33
34 Selects IO34
35 Selects IO35
36 Selects IO36
37 Selects IO37
38 Selects IO38
39 Selects IO39
40 Selects IO40
41 Selects IO41
42 Selects IO42
43 Selects IO43
44 Selects IO44
45 Selects IO45
46 Selects IO46
47 Selects IO47
RW 0x3F