8 tlbdbg command, Am4140 u-boot bootloader u-boot usage – Kontron AM4140 U-Boot Bootloader User Manual
Page 31

AM4140 U-Boot Bootloader
U-Boot Usage
ID 1052-0281, Rev. 1.0
Page 31
P R E L I M I N A R Y
3.8
tlbdbg Command
tlbdbg
FUNCTION:
Displays current configuration of TLB0 and TLB1
SYNTAX:
tlbdbg
where:
tlbdbg
command
DESCRIPTION:
This command provides information on the translation look-aside
buffers TLB0 ad TLB1 for debugging purposes during U-Boot
development or for debugging OS startup issues.
USAGE:
Display TLB0/TLB1 information
COMMAND / RESPONSE:
=> tlbdbg
TLBx Configuration Register : 04110200 101bc010
TLB0: [check 512 entries]
IDX PID EPN SIZE V TS RPN U0-U3 WIMGE UUUSSS
-------------------------------------------------------------
TLB1: [check 16 entries]
IDX PID EPN SIZE V TS RPN U0-U3 WIMGE UUUSSS
-------------------------------------------------------------
0d: 00 00000000 1GB V 0d -> 0_00000000 0000 ----- ---RWX
1d: 00 40000000 1GB V 0d -> 0_40000000 0000 ----- ---RWX
2d: 00 ffe00000 1MB V 0d -> f_ffe00000 0000 -I-G- ---RWX
3d: 00 80000000 1GB V 0d -> e_80000000 0000 -I-G- ---RWX
4d: 00 ffc00000 256kB V 0d -> e_ffc00000 0000 -I-G- ---RWX
5d: 00 f0000000 64MB V 0d -> f_f0000000 0000 -I-G- ---RWX
6d: 00 f8000000 16MB V 0d -> f_f8000000 0000 -I-G- ---RWX
7d: 00 ff000000 4kB V 0d -> f_ff000000 0000 -I-G- ---RWX
8d: 00 c0000000 256MB V 0d -> d_c0000000 0000 -I-G- ---RWX
9d: 00 d0000000 256MB V 0d -> d_d0000000 0000 -I-G- ---RWX
10d: 00 fffff000 4kB V 0d -> 0_1ffff000 0000 -I-G- ---RWX
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