From 35e76dde7708d0646c56eaf3b5c063b27d2add62 Mon Sep 17 00:00:00 2001 From: Michael Niewöhner Date: Sat, 2 Nov 2019 12:14:06 +0100 Subject: soc/intel/skylake: add soc implementation for ETR address API MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add soc implementation for the new ETR address API. Change-Id: Iae54af09347d693620b631721576e4b916ea0f0f Signed-off-by: Michael Niewöhner Reviewed-on: https://review.coreboot.org/c/coreboot/+/36569 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin --- src/soc/intel/skylake/pmutil.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/src/soc/intel/skylake/pmutil.c b/src/soc/intel/skylake/pmutil.c index 329cea9621..eb36e48ace 100644 --- a/src/soc/intel/skylake/pmutil.c +++ b/src/soc/intel/skylake/pmutil.c @@ -173,6 +173,16 @@ uintptr_t soc_read_pmc_base(void) return (uintptr_t) (pmc_mmio_regs()); } +uint32_t *soc_pmc_etr_addr(void) +{ + /* + * The pointer returned must not be cached, because the address depends on the + * MMCONF base address and the assigned PCI bus number, which both may change + * during the boot process! + */ + return pci_mmio_config32_addr(PCH_DEVFN_PMC << 12, ETR); +} + void soc_get_gpi_gpe_configs(uint8_t *dw0, uint8_t *dw1, uint8_t *dw2) { DEVTREE_CONST struct soc_intel_skylake_config *config; -- cgit v1.2.3