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Hi all,
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<p style="margin-top:0; margin-bottom:0">I have an AMD Bettong demoboard supported by coreboot and the default configuration works ok.</p>
<p style="margin-top:0; margin-bottom:0">I've been able to boot a debian8 with a 4.17.1 kernel using the SeaBios payload. Now I've connected</p>
<p style="margin-top:0; margin-bottom:0">a TPM 1.2 to the LPC bus and I've done the next changes to the coreboot master code</p>
<p style="margin-top:0; margin-bottom:0">(<span>ae05d095b36ac835a6b1a221e6858065e5486888</span>)</p>
<p style="margin-top:0; margin-bottom:0"><br>
</p>
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<div>--- src/mainboard/amd/bettong/devicetree.cb 2018-05-10 09:39:18.000000000 +0200<br>
+++ src/mainboard/amd/bettong/devicetree.cb 2018-06-18 15:13:53.761093194 +0200<br>
@@ -52,7 +52,11 @@<br>
end<br>
end # SM<br>
#device pci 14.2 on end # HDA 0x4383<br>
- device pci 14.3 on end # LPC 0x439d<br>
+ device pci 14.3 on # LPC 0x439d<br>
+ chip drivers/pc80/tpm<br>
+ device pnp 0c31.0 on end<br>
+ end # LPC TPM<br>
+ end<br>
device pci 14.7 on end # SD<br>
end #chip southbridge/amd/pi/hudson<br>
<br>
--- src/mainboard/amd/bettong/Kconfig 2018-05-10 09:39:18.000000000 +0200<br>
+++ src/mainboard/amd/bettong/Kconfig 2018-06-18 12:36:10.014905977 +0200<br>
@@ -27,7 +27,9 @@<br>
select HAVE_ACPI_TABLES<br>
select BOARD_ROMSIZE_KB_8192<br>
select GFXUMA<br>
-<br>
+ select MAINBOARD_HAS_LPC_TPM<br>
+ select TPM<br>
+ <br>
config MAINBOARD_DIR<br>
string<br>
default amd/bettong<br>
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<div>--- src/mainboard/amd/bettong/romstage.c 2018-05-10 09:39:18.000000000 +0200<br>
+++ src/mainboard/amd/bettong/romstage.c 2018-06-22 09:57:09.650663554 +0200<br>
@@ -24,6 +24,7 @@<br>
#include <northbridge/amd/pi/agesawrapper.h><br>
#include <northbridge/amd/pi/agesawrapper_call.h><br>
#include <southbridge/amd/pi/hudson/hudson.h><br>
+#include <security/tpm/tis.h><br>
<br>
void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)<br>
{<br>
@@ -67,6 +68,8 @@<br>
post_code(0x41);<br>
AGESAWRAPPER(amdinitenv);<br>
<br>
+ init_tpm(false);<br>
+<br>
if (acpi_is_wakeup_s4()) {<br>
outb(0xEE, PM_INDEX);<br>
outb(0x8, PM_DATA);<br>
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<p></p>
<p style="margin-top:0; margin-bottom:0">Now the demoboard boots and a new option for TPM is displayed on screen (t for TPM actions),</p>
<p style="margin-top:0; margin-bottom:0">the grub is loaded ok, but the kernel complains with the next lines I've been able to write down</p>
<p style="margin-top:0; margin-bottom:0">from a pic I took with the phone.</p>
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<div>object-220)<br>
ACPI Error: Method parse/execution failed \, AE_NOT_FOUND (20180313/psparse-516)<br>
ACPI Error: Invalid zero thread count in method (20180313/dsmethod-760)<br>
ACPI Error: Invalid OwnerId: 0x00 (20180313/utownerid-156)<br>
ACPI Error: AE_NOT_FOUND, (SSDT:COREBOOT) while loading table (20180313/tbxfload-197)<br>
ACPI Error: 1 table load failures, 3 successful (20180313/tbxfload-215)<br>
ACPI BIOS Error (bug): Failure looking up [\_SB.PCI0._CRS.TOM1], AE_NOT_FOUND (20180313/psargs-330)<br>
ACPI Error: Method parse/execution failed \_SB.PCI0._CRS, AE_NOT_FOUND (20180313/psparse-516)<br>
ACPI BIOS Error (bug): Failure looking up [\_SB.PCI0._CRS.TOM1], AE_NOT_FOUND (20180313/psargs-330)<br>
ACPI Error: Method parse/execution failed \_SB.PCI0._CRS, AE_NOT_FOUND (20180313/psparse-516)<br>
ACPI BIOS Error (bug): Failure looking up [\_SB.PCI0._CRS.TOM1], AE_NOT_FOUND (20180313/psargs-330)<br>
ACPI Error: Method parse/execution failed \_SB.PCI0._CRS, AE_NOT_FOUND (20180313/psparse-516)<br>
acpi PNP0A08:00: Bus 0000:00 not present in PCI namespace<br>
Loading, please wait...</div>
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<p></p>
<p style="margin-top:0; margin-bottom:0">Anybody could help me to make the board boots again?<br>
</p>
<p style="margin-top:0; margin-bottom:0"><br>
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<p style="margin-top:0; margin-bottom:0">Regards</p>
<p style="margin-top:0; margin-bottom:0">Jorge<br>
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