nvidia-tegra-modules.git/drivers/platform/tegra/ari_mca.c, branch rtss22-ae NVIDIA's kernel modules to support tegra chips (used in Jetson boards) platform: tegra: skip debugfs init error 2017-08-21T05:35:27+00:00 Ian Chang ianc@nvidia.com 2017-08-17T15:07:20+00:00 be074319bdd9f199de80829e9d519551b24b35ca As ari_mac and tegra18_a57_serr driver are built as kernel module, debugfs_create_dir() will cause insmod faied on production user build. It leads tegra serror handler driver hit panic error. To fix it, skip debugfs_create_dir error in module init function. [ 11.149552] ari_mca_dbgfs_init: could not create 'tegra_mca' node [ 11.217260] denver_mca: Unknown symbol ari_clear_serr (err 0) [ 11.249045] tegra18_serr: Unknown symbol register_denver_mca_bank (err 0) [ 11.255861] tegra18_serr: Unknown symbol unregister_denver_mca_bank (err 0) [ 11.285160] **** A57 ECC: Enabled [ 11.288471] tegra18_a57_serr_init: on CPU 3 a A57 Core [ 11.293628] Unable to handle kernel paging request at virtual address ffffffbffc356cc8 [ 11.301529] pgd = ffffffc1df0cf000 [ 11.304922] [ffffffbffc356cc8] *pgd=0000000000000000, *pud=0000000000000000 bug 200338946 Change-Id: I555172190c84c442e52eba6901fa7ab4198085c8 Signed-off-by: Ian Chang <ianc@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1541110 Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com> Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com> 
As ari_mac and tegra18_a57_serr driver are built as kernel module, debugfs_create_dir()
will cause insmod faied on production user build. It leads tegra serror
handler driver hit panic error. To fix it, skip debugfs_create_dir error
in module init function.

[   11.149552] ari_mca_dbgfs_init: could not create 'tegra_mca' node
[   11.217260] denver_mca: Unknown symbol ari_clear_serr (err 0)
[   11.249045] tegra18_serr: Unknown symbol register_denver_mca_bank (err 0)
[   11.255861] tegra18_serr: Unknown symbol unregister_denver_mca_bank (err 0)
[   11.285160] **** A57 ECC: Enabled
[   11.288471] tegra18_a57_serr_init: on CPU 3 a A57 Core
[   11.293628] Unable to handle kernel paging request at virtual address ffffffbffc356cc8
[   11.301529] pgd = ffffffc1df0cf000
[   11.304922] [ffffffbffc356cc8] *pgd=0000000000000000, *pud=0000000000000000

bug  200338946

Change-Id: I555172190c84c442e52eba6901fa7ab4198085c8
Signed-off-by: Ian Chang <ianc@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1541110
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
platform: tegra: ari: resolve module dependence due to clear_serr symbol 2017-05-03T04:04:51+00:00 Joseph Lo josephl@nvidia.com 2017-04-27T02:07:42+00:00 228bcfa5f84c0fd7d97292ff1479944696477b04 When converting TEGRA_18X_SERROR to LKM, we found some symbols dependence in many drivers. And which causes the modules can not be inserted by changing any sequence. This can be fixed by moving the "tegra18_clear_serr" symbol to ari_mca driver and translating it to "ari_clear_serr". This is more likely the right place that it should be. Bug 200299501 Change-Id: I531e595decb1062f07d0f1cc6448c9eb089cf9f5 Signed-off-by: Joseph Lo <josephl@nvidia.com> Reviewed-on: http://git-master/r/1470915 Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Sachin Nikam <snikam@nvidia.com> 
When converting TEGRA_18X_SERROR to LKM, we found some symbols
dependence in many drivers. And which causes the modules can not be
inserted by changing any sequence.

This can be fixed by moving the "tegra18_clear_serr" symbol to ari_mca
driver and translating it to "ari_clear_serr". This is more likely the
right place that it should be.

Bug 200299501

Change-Id: I531e595decb1062f07d0f1cc6448c9eb089cf9f5
Signed-off-by: Joseph Lo <josephl@nvidia.com>
Reviewed-on: http://git-master/r/1470915
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
platform: tegra: ari: log and clear all MCA Errors 2017-04-07T20:47:57+00:00 Krishna Reddy vdumpa@nvidia.com 2017-04-04T20:40:33+00:00 75ece09fd81ca33fb0103d5a44f9e9b490bef6f2 Log and clear all MCA Errors. Add verbose mode so that default is non-verbose and only logs concise error info. Bug 200237846 Change-Id: Ice81a007ea21416a1fbe734c62bab4965721167b Signed-off-by: Krishna Reddy <vdumpa@nvidia.com> Signed-off-by: Sri Krishna chowdary <schowdary@nvidia.com> Reviewed-on: http://git-master/r/1455094 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com> GVS: Gerrit_Virtual_Submit 
Log and clear all MCA Errors.
Add verbose mode so that default is non-verbose and only
logs concise error info.

Bug 200237846

Change-Id: Ice81a007ea21416a1fbe734c62bab4965721167b
Signed-off-by: Krishna Reddy <vdumpa@nvidia.com>
Signed-off-by: Sri Krishna chowdary <schowdary@nvidia.com>
Reviewed-on: http://git-master/r/1455094
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
t18x: tegra: enable ari_mca only on T18X. 2017-03-24T00:18:34+00:00 Rohit Khanna rokhanna@nvidia.com 2017-03-09T18:39:33+00:00 1fd2fe770a7060e934b0b1d902938b5e7dc39195 ari_mca is only supported on T18x, thus disabling probe for other chips. Bug 1818681 Change-Id: Icbc35d82f309debf61db5046304b838ae5ba77bf Signed-off-by: Rohit Khanna <rokhanna@nvidia.com> Reviewed-on: http://git-master/r/1318115 Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Alexander Van Brunt <avanbrunt@nvidia.com> 
ari_mca is only supported on T18x, thus
disabling probe for other chips.

Bug 1818681

Change-Id: Icbc35d82f309debf61db5046304b838ae5ba77bf
Signed-off-by: Rohit Khanna <rokhanna@nvidia.com>
Reviewed-on: http://git-master/r/1318115
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alexander Van Brunt <avanbrunt@nvidia.com>
t18x: drivers: use soc/tegra/chip-id.h for soc header 2017-01-21T11:16:10+00:00 Shardar Shariff Md smohammed@nvidia.com 2017-01-20T19:24:50+00:00 d7b4f880d46ee1d65c2a8a73b32d3f8a04cc21e0 The soc tegra headers are unified and moved all the content of linux/tegra-soc.h to the soc/tegra/chip-id.h to have the single soc header for Tegra. Change-Id: I67a95258775e50add4ab9872e4525910b14ff99c Signed-off-by: Shardar Shariff Md <smohammed@nvidia.com> Reviewed-on: http://git-master/r/1291661 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com> 
The soc tegra headers are unified and moved all the content of
linux/tegra-soc.h to the soc/tegra/chip-id.h to have the
single soc header for Tegra.

Change-Id: I67a95258775e50add4ab9872e4525910b14ff99c
Signed-off-by: Shardar Shariff Md <smohammed@nvidia.com>
Reviewed-on: http://git-master/r/1291661
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
platform: tegra: ari: clear serror for poison errors only 2016-12-26T06:20:14+00:00 Krishna Reddy vdumpa@nvidia.com 2016-12-14T00:02:27+00:00 13c6dff9d2988e2d90861910da8ce587be157333 Clear serror for vpr, gsc, tzram, mts poison errors only. For other MCA errors, let the kernel panic and reboot as before. Bug 1767985 Change-Id: Ib5df115536086eb4196e5345c8a35844bf035d80 Signed-off-by: Krishna Reddy <vdumpa@nvidia.com> Reviewed-on: http://git-master/r/1271308 GVS: Gerrit_Virtual_Submit Reviewed-by: Sri Krishna Chowdary <schowdary@nvidia.com> 
Clear serror for vpr, gsc, tzram, mts poison errors only.
For other MCA errors, let the kernel panic and reboot as
before.

Bug 1767985

Change-Id: Ib5df115536086eb4196e5345c8a35844bf035d80
Signed-off-by: Krishna Reddy <vdumpa@nvidia.com>
Reviewed-on: http://git-master/r/1271308
GVS: Gerrit_Virtual_Submit
Reviewed-by: Sri Krishna Chowdary <schowdary@nvidia.com>
platform: tegra: ari: support serror clear 2016-12-05T20:37:20+00:00 Krishna Reddy vdumpa@nvidia.com 2016-11-09T22:59:38+00:00 451ff07991797932ec5e8c5b92c800f22b3d96df Add support necessary to clear SError. Bug 1767985 Change-Id: Ie3edd5f9c96c4a8f83b7432bbc06bb7ec5040348 Signed-off-by: Krishna Reddy <vdumpa@nvidia.com> Reviewed-on: http://git-master/r/1264077 GVS: Gerrit_Virtual_Submit Reviewed-by: Rohit Khanna <rokhanna@nvidia.com> 
Add support necessary to clear SError.

Bug 1767985

Change-Id: Ie3edd5f9c96c4a8f83b7432bbc06bb7ec5040348
Signed-off-by: Krishna Reddy <vdumpa@nvidia.com>
Reviewed-on: http://git-master/r/1264077
GVS: Gerrit_Virtual_Submit
Reviewed-by: Rohit Khanna <rokhanna@nvidia.com>
t18x: fix decode of address type 2016-07-25T16:47:48+00:00 Rohit Khanna rokhanna@nvidia.com 2016-07-22T18:24:04+00:00 c63e87cdf03fa58b79a9757312f7f7145040ff5c From Cluster_Top_IAS 3.6.2.1: bit 41 - 0 : DRAM 1 : MMIO bit 40 - 0 : Secure 1 : NS (Non-Secure) Bug 200216371 Bug 200214536 Change-Id: I7c3ff44cee6fa098165220f4ece213bbf429dd0b Signed-off-by: Rohit Khanna <rokhanna@nvidia.com> Reviewed-on: http://git-master/r/1189707 Reviewed-by: Guy Sotomayor <gsotomayor@nvidia.com> Reviewed-by: Nitin Sehgal <nsehgal@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Alexander Van Brunt <avanbrunt@nvidia.com> 
From Cluster_Top_IAS 3.6.2.1:

bit 41 -
	0 : DRAM
	1 : MMIO

bit 40 -
	0 : Secure
	1 : NS (Non-Secure)

Bug 200216371
Bug 200214536

Change-Id: I7c3ff44cee6fa098165220f4ece213bbf429dd0b
Signed-off-by: Rohit Khanna <rokhanna@nvidia.com>
Reviewed-on: http://git-master/r/1189707
Reviewed-by: Guy Sotomayor <gsotomayor@nvidia.com>
Reviewed-by: Nitin Sehgal <nsehgal@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alexander Van Brunt <avanbrunt@nvidia.com>
t18x: add debugfs node for bridge errors 2016-02-02T23:49:20+00:00 Guy Sotomayor gsotomayor@nvidia.com 2015-12-14T22:21:50+00:00 57b9393d785404bd99ebb8f97f638683123386ac Added a debugfs node that reports the current status of the bridges in terms of what errors may be present but unreported. Change-Id: I31c3aa104afe60e696a688bd452331a30dac1322 Signed-off-by: Guy Sotomayor <gsotomayor@nvidia.com> Reviewed-on: http://git-master/r/922641 Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Alexander Van Brunt <avanbrunt@nvidia.com> 
Added a debugfs node that reports the current status of the bridges in
terms of what errors may be present but unreported.

Change-Id: I31c3aa104afe60e696a688bd452331a30dac1322
Signed-off-by: Guy Sotomayor <gsotomayor@nvidia.com>
Reviewed-on: http://git-master/r/922641
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alexander Van Brunt <avanbrunt@nvidia.com>
t18x: report device when an MCA occurs 2016-01-27T18:42:58+00:00 Guy Sotomayor gsotomayor@nvidia.com 2015-12-10T18:58:49+00:00 ff0da51ce7620d4cc5babce0ae2fca9b5673d8cc Report the device when an address falls within it's MMIO range. Change-Id: If47a9bacc5aae5656a4f0b3f32dc9904d5445911 Signed-off-by: Guy Sotomayor <gsotomayor@nvidia.com> Reviewed-on: http://git-master/r/921484 Reviewed-by: Richard Wiley <rwiley@nvidia.com> Reviewed-by: Automatic_Commit_Validation_User GVS: Gerrit_Virtual_Submit Reviewed-by: Alexander Van Brunt <avanbrunt@nvidia.com> 
Report the device when an address falls within it's MMIO range.

Change-Id: If47a9bacc5aae5656a4f0b3f32dc9904d5445911
Signed-off-by: Guy Sotomayor <gsotomayor@nvidia.com>
Reviewed-on: http://git-master/r/921484
Reviewed-by: Richard Wiley <rwiley@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alexander Van Brunt <avanbrunt@nvidia.com>