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The bug is hard to find. We were adding the feature of fan control. We
met some strange things which could not be explained. Like, sometimes
adding printk let the error disappear. Then we traced the code by hardware
debug tool (HDT). It turned out the data in stack was overwritten.
The values of AccessWidthxx are
{ AccessWidth8 = 1,
AccessWidth16,
AccessWidth32,}
For the case of AccessWidth8, we only need to access the index/data
once. But ReadECmsg and WriteECmsg did the loop twice, 1 more time
than they are supposed to do. The data in stack next to "Value" would
be overwritten.
For all the cases, the code should be
OpFlag = OpFlag & 0x7f;
switch (OpFlag) {
case 1: /* AccessWidth8 */
OpFlag = 0;break;
case 2: /* AccessWidth16 */
OpFlag = 1;break;
case 3: /* AccessWidth32 */
OpFlag = 3;break;
case 4: /* AccessWidth64 */
OpFlag = 7;break;
default:
error;
}
Actually, the caller only takes AccessWidth8 as the parameter. We can ignore other
cases for now.
That is an AGESA bug. AMD's AGESA team own this code. They have given the
response that they are going to update this in next release. I presume let them
decide the proper way to fix that. Before that, I change the code as little
as possible to make it run without crash.
Change-Id: I566f74c242ce93f4569eedf69ca07d2fb7fb368d
Signed-off-by: Zheng Bao <zheng.bao@amd.com>
Signed-off-by: Zheng Bao <fishbaozi@gmail.com>
Reviewed-on: http://review.coreboot.org/4297
Reviewed-by: Bruce Griffith <Bruce.Griffith@se-eng.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
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The platform initialization (PI) code v1.0.0.7 for Kabini has some
enhancements like ECC DIMM support, new CPU microcode rev 0700010B, FCH
bug fix (RTC) and so on.
Use the name Kabini instead of Kerala everywhere.
Note, the former PI code was indeed version v1.0.0.0 instead of v0.0.1.0
as used in `AGESA_VERSION_STRING`.
Change-Id: I186de1aef222cd35ea69efa93967a3ffb8da7248
Signed-off-by: WANG Siyuan <SiYuan.Wang@amd.com>
Signed-off-by: WANG Siyuan <wangsiyuanbuaa@gmail.com>
Reviewed-on: http://review.coreboot.org/3935
Tested-by: build bot (Jenkins)
Reviewed-by: Bruce Griffith <Bruce.Griffith@se-eng.com>
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src/southbridge/amd/agesa/hudson/Kconfig config default value,
mainboard Kconfig config value for specific mainboard.
bit 1,0 - pin 0
bit 3,2 - pin 1
bit 5,4 - pin 2
bit 7,6 - pin 3
Change-Id: I54a87cf734685515a3e1850838ca7d94387172ce
Signed-off-by: WANG Siyuan <SiYuan.Wang@amd.com>
Signed-off-by: WANG Siyuan <wangsiyuanbuaa@gmail.com>
Reviewed-on: http://review.coreboot.org/3879
Tested-by: build bot (Jenkins)
Reviewed-by: Bruce Griffith <Bruce.Griffith@se-eng.com>
Reviewed-by: Dave Frodin <dave.frodin@se-eng.com>
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Copied from a similar commit for Family 10h AGESA [1]
Remove the fourth argument in the comments. Luckily the compiler,
at least gcc, warns about a wrong number of arguments, and therefore
no incorrect code resulted from the wrong documentation.
[1] 07e0f1b AMD AGESA: Fix argument list for `PCIE_DDI_DATA_INITIALIZER` in comments
[2] fc47bfa Revert "AMD f14 vendorcode: Fix warning"
Change-Id: I3806e368a823e4a40d22e99b91bf3598d9ed2f15
Signed-off-by: Bruce Griffith <bruce.griffith@se-eng.com>
Reviewed-on: http://review.coreboot.org/3840
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martin@se-eng.com>
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This is the same patch as an earlier one applied to family 15 [1].
Static analysis often flags case statements that do not include
a terminating "break;" statement. Eclipse's CODAN is an example
of this. This changelist modifies amdlib.c to terminate
case statements with "break;".
[1] e44a89f amd/agesa/f15/Lib/amdlib.c: Add missing breaks ...
Change-Id: Ibd1ae6f2b52fde07de3d978d174975f4d93647ab
Signed-off-by: Bruce Griffith <Bruce.Griffith@se-eng.com>
Reviewed-on: http://review.coreboot.org/3839
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martin@se-eng.com>
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Add CONST modifiers to read-only pass-by-reference function
parameters in AGESA. This allows the use of "const" modifiers
on the declaration of lookup tables that are pass-by-reference.
These will be used to identify tables that are copied onto the
HEAP but don't need to be.
This same change was made for AMD Trinity APUs (Family15tn) [1].
[1] 283ba78 AGESA: Add "const" modifier to function parameters
Change-Id: I2bdd9fc5e027e938de9df0f923b95da934bb48dc
Signed-off-by: Bruce Griffith <Bruce.Griffith@se-eng.com>
Reviewed-by: Dave Frodin <dave.frodin@se-eng.com>
Tested-by: Bruce Griffith <bruce.griffith@se-eng.com>
Reviewed-on: http://review.coreboot.org/3837
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marc.jones@se-eng.com>
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This changelist was cherry-picked from merged community code
for Parmer [1] and the paths modified so that the Parmer
modification is applied against Olive Hill.
[1] 0086162 AMD SATA: Correct _them implement_ ... in comments
Change-Id: I9849e9a75dacfde15331c4200d72343a59036f14
Signed-off-by: Bruce Griffith <bruce.griffith@se-eng.com>
Reviewed-on: http://review.coreboot.org/3841
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
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Change-Id: Icb6f64e2e3cfd678fb4fb4f13f0e4b678d5acc4a
Signed-off-by: Siyuan Wang <SiYuan.Wang@amd.com>
Signed-off-by: Siyuan Wang <wangsiyuanbuaa@gmail.com>
Reviewed-by: Nick Dill <nick.dill@se-eng.com>
Tested-by: Bruce Griffith <bruce.griffith@se-eng.com>
Reviewed-on: http://review.coreboot.org/3836
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martin.roth@se-eng.com>
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