From 60c54cc017becb842156644bcda2591a13ba10bc Mon Sep 17 00:00:00 2001 From: Paul Menzel Date: Wed, 1 May 2013 16:36:56 +0200 Subject: cpu/amd/agesa/Kconfig: Select LAPIC_MONOTONIC_TIMER Thanks to Aaron Durbin coreboot provides monotonic timers. Select the LAPIC monotonic timer for the AMD AGESA CPUs. The following is an excerpt from serial log of the ASRock E350M1. $ grep usec seriallog-20130502_100902.log 01.016: Root Device init 1578 usecs 01.029: CPU_CLUSTER: 0 init 112415 usecs 01.029: PCI: 00:00.0 init 3240 usecs 01.088: PCI: 00:01.0 init 104572 usecs 01.088: PCI: 00:01.1 init 1663 usecs 01.088: PCI: 00:11.0 init 1662 usecs 01.088: PCI: 00:14.0 init 1662 usecs 01.088: PCI: 00:14.3 init 8665 usecs 01.088: PCI: 00:14.4 init 1665 usecs 01.088: PCI: 00:18.0 init 1662 usecs 01.088: PCI: 00:18.1 init 1663 usecs 01.088: PCI: 00:18.2 init 1663 usecs 01.088: PCI: 00:18.3 init 1663 usecs 01.088: PCI: 00:18.4 init 1663 usecs 01.088: PCI: 00:18.5 init 1665 usecs 01.088: PCI: 00:18.6 init 1664 usecs 01.088: PCI: 00:18.7 init 1663 usecs 01.088: PNP: 002e.2 init 1576 usecs 01.088: PNP: 002e.5 init 1577 usecs 01.088: PNP: 002e.a init 1590 usecs 01.088: PNP: 002e.b init 30144 usecs 01.088: PCI: 03:00.0 init 1663 usecs So the graphics device needs around 100 ms for being initialized. The full serial log is in the Gerrit comments. Change-Id: Ia7b3012e51fcf94b0f22290cdef2b4424295ad6d Signed-off-by: Paul Menzel Reviewed-on: http://review.coreboot.org/3172 Tested-by: build bot (Jenkins) Reviewed-by: Dave Frodin Reviewed-by: Marc Jones --- src/cpu/amd/agesa/Kconfig | 1 + 1 file changed, 1 insertion(+) (limited to 'src') diff --git a/src/cpu/amd/agesa/Kconfig b/src/cpu/amd/agesa/Kconfig index 37b376aa89..c660470aff 100644 --- a/src/cpu/amd/agesa/Kconfig +++ b/src/cpu/amd/agesa/Kconfig @@ -27,6 +27,7 @@ config CPU_AMD_AGESA default n select TSC_SYNC_LFENCE select UDELAY_LAPIC + select LAPIC_MONOTONIC_TIMER if CPU_AMD_AGESA -- cgit v1.2.3