TI中文支持网Part Number:DRA725
TI chip：dra725
TI sdk version：tisdk-rootfs-image-dra7xx-evm_vsdk_3_5
1、Switch machine test repeatedly, boot (14 v 1A 30 seconds) shutdown (0 v 10 seconds)
2、Phenomenon of the problem: After the test, The screen does not display, read the relevant register values, found DISPC_GFX_ATTRIBUTES values change
Relating to register:
|
Register |
Normal value |
fault value |
|
DISPC_CONFIG1 |
0x00000C04 |
NULL |
|
DISPC_CONFIG2 |
0x00000000 |
NULL |
|
DISPC_CONFIG3 |
0x00000000 |
NULL |
|
DISPC_GLOBAL_ALPHA |
0xFFFFFFFF |
NULL |
|
DISPC_TRANS_COLOR0 |
0x00000000 |
NULL |
|
DISPC_TRANS_COLOR1 |
0x00000000 |
NULL |
|
DISPC_TRANS_COLOR2 |
0x00000000 |
NULL |
|
DISPC_TRANS_COLOR3 |
0x00000000 |
NULL |
|
DISPC_GFX_ATTRIBUTES |
0x0E000891 |
0x0E0000A0 |
|
DISPC_VID1_ATTRIBUTES |
0x02288873 |
NULL |
|
DISPC_VID2_ATTRIBUTES |
0x06008400 |
NULL |
|
DISPC_VID3_ATTRIBUTES |
0x0A288A60 |
NULL |
Cherry Zhou：
Hi,
We've got the issue and escalated to e2e for more help, please see the link below:
https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1117607/dra725-repeated-power-up-down-tests-caused-register-values-to-change
,
Cherry Zhou：
Hi,
Didn't get it. What you mean by null in the above table? Are they not readable?
Thanks.
