diff options
author | Rudolf Marek <r.marek@assembler.cz> | 2013-05-04 00:08:34 +0200 |
---|---|---|
committer | Rudolf Marek <r.marek@assembler.cz> | 2013-05-14 15:53:14 +0200 |
commit | cd1cef44381be9e50182d693f118b8d636628a30 (patch) | |
tree | 112b415e78d7620e26348ba3365b029685b53082 /src/mainboard/amd/thatcher/PlatformGnbPcie.c | |
parent | 38c326d041218e65d156ce3dd3bfee39e73ceffa (diff) |
AMD Fam15tn boards: Document lane ID mapping from BKDG
To make it easier to fill in the values, place the table
from the BIOS and Kernel Developer’s Guide (BKDG) [1]
as a comment.
[1] http://www.coreboot.org/Datasheets#AMD_Fam15
Change-Id: I218f76e9fa2dc88d47af51ea6c062e315afb0000
Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-on: http://review.coreboot.org/3221
Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/mainboard/amd/thatcher/PlatformGnbPcie.c')
-rw-r--r-- | src/mainboard/amd/thatcher/PlatformGnbPcie.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/mainboard/amd/thatcher/PlatformGnbPcie.c b/src/mainboard/amd/thatcher/PlatformGnbPcie.c index 2aee86e049..383734129b 100644 --- a/src/mainboard/amd/thatcher/PlatformGnbPcie.c +++ b/src/mainboard/amd/thatcher/PlatformGnbPcie.c @@ -26,6 +26,51 @@ #define FILECODE PROC_GNB_PCIE_FAMILY_0X15_F15PCIECOMPLEXCONFIG_FILECODE +/* + * Lane ID Mapping (from Fam15h BKDG: Table 45: Lane Id Mapping) + * + * Lane Id + * 0 P_UMI_[T,R]X[P,N]0 - southbridge link, connect via dev 8 + * 1 P_UMI_[T,R]X[P,N]1 - southbridge link, connect via dev 8 + * 2 P_UMI_[T,R]X[P,N]2 - southbridge link, connect via dev 8 + * 3 P_UMI_[T,R]X[P,N]3 - southbridge link, connect via dev 8 + * 4 P_GPP_[T,R]X[P,N]0 - may connect to PCI dev 4 - 7 + * 5 P_GPP_[T,R]X[P,N]1 - may connect to PCI dev 4 - 7 + * 6 P_GPP_[T,R]X[P,N]2 - may connect to PCI dev 4 - 7 + * 7 P_GPP_[T,R]X[P,N]3 - may connect to PCI dev 4 - 7 + * 8 P_GFX_[T,R]X[P,N]0 - may be used to form GFX slot or DDI + * 9 P_GFX_[T,R]X[P,N]1 - may be used to form GFX slot or DDI + * 10 P_GFX_[T,R]X[P,N]2 - may be used to form GFX slot or DDI + * 11 P_GFX_[T,R]X[P,N]3 - may be used to form GFX slot or DDI + * 12 P_GFX_[T,R]X[P,N]4 - may be used to form GFX slot or DDI + * 13 P_GFX_[T,R]X[P,N]5 - may be used to form GFX slot or DDI + * 14 P_GFX_[T,R]X[P,N]6 - may be used to form GFX slot or DDI + * 15 P_GFX_[T,R]X[P,N]7 - may be used to form GFX slot or DDI + * 16 P_GFX_[T,R]X[P,N]8 - may be used to form GFX slot or DDI + * 17 P_GFX_[T,R]X[P,N]9 - may be used to form GFX slot or DDI + * 18 P_GFX_[T,R]X[P,N]10 - may be used to form GFX slot or DDI + * 19 P_GFX_[T,R]X[P,N]11 - may be used to form GFX slot or DDI + * 20 P_GFX_[T,R]X[P,N]12 - may be used to form GFX slot or DDI + * 21 P_GFX_[T,R]X[P,N]13 - may be used to form GFX slot or DDI + * 22 P_GFX_[T,R]X[P,N]14 - may be used to form GFX slot or DDI + * 23 P_GFX_[T,R]X[P,N]15 - may be used to form GFX slot or DDI + * 24 DP0_TX[P,N]0 - rest is just for DDI (graphics outputs) + * 25 DP0_TX[P,N]1 + * 26 DP0_TX[P,N]2 + * 27 DP0_TX[P,N]3 + * 28 DP1_TX[P,N]0 + * 29 DP1_TX[P,N]1 + * 30 DP1_TX[P,N]2 + * 31 DP1_TX[P,N]3 + * 32 DP2_TX[P,N]0 + * 33 DP2_TX[P,N]1 + * 34 DP2_TX[P,N]2 + * 35 DP2_TX[P,N]3 + * 36 DP2_TX[P,N]4 + * 37 DP2_TX[P,N]5 + * 38 DP2_TX[P,N]6 + */ + PCIe_PORT_DESCRIPTOR PortList [] = { /* PCIe port, Lanes 15:8, PCI Device Number 2, PCIE SLOT x8 */ { |