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gizmosphere/gizmo: Change the PCIe GPP to two x1 ports 

Gizmo sends two southbridge GPP PCIe lanes to its high speed
edge connector. This change will allow developers to create
two x1 slots on an extender card.

Change-Id: Iba6c1a4caf7846d12e3960775d7bc906ca8ff385
Signed-off-by: Dave Frodin <dave.frodin@se-eng.com>
Reviewed-on: http://review.coreboot.org/6499
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
Dave Frodin 2014-08-05 10:20:59 -06:00
parent 5103cc3d53
commit 70d4b5261e
2 changed files with 4 additions and 3 deletions
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5
src/mainboard/gizmosphere/gizmo/devicetree.cb
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@ -50,10 +50,11 @@ chip northbridge/amd/agesa/family14/root_complex
device pci 14.3 on end # LPC 0x439d device pci 14.3 on end # LPC 0x439d
device pci 14.4 on end # PCIB 0x4384, NOTE: this device must always be enabled or removed device pci 14.4 on end # PCIB 0x4384, NOTE: this device must always be enabled or removed
device pci 14.5 off end # USB 2 device pci 14.5 off end # USB 2
device pci 15.0 on end # PCIe PortA # PCIe x4 slot off of high speed edge connector device pci 15.0 on end # PCIe PortA # PCIe x1 to high speed edge connector
device pci 15.1 on end # PCIe PortB # PCIe x1 to high speed edge connector
device pci 16.0 off end # OHCI USB3 device pci 16.0 off end # OHCI USB3
device pci 16.2 off end # EHCI USB3 device pci 16.2 off end # EHCI USB3
register "gpp_configuration" = "0" #4:0:0:0 register "gpp_configuration" = "4" # GPP_CFGMODE_X1111
register "boot_switch_sata_ide" = "0" # 0: boot from SATA. 1: IDE register "boot_switch_sata_ide" = "0" # 0: boot from SATA. 1: IDE
end #southbridge/amd/cimx/sb800 end #southbridge/amd/cimx/sb800
device pci 18.0 on end device pci 18.0 on end

2
src/mainboard/gizmosphere/gizmo/platform_cfg.h
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@ -185,7 +185,7 @@
* GPP_CFGMODE_X2110 * GPP_CFGMODE_X2110
* GPP_CFGMODE_X1111 * GPP_CFGMODE_X1111
*/ */
#define GPP_CFGMODE GPP_CFGMODE_X4000 #define GPP_CFGMODE GPP_CFGMODE_X1111
/** /**
* @def NB_SB_GEN2 * @def NB_SB_GEN2