From f377fafd941a44252c4c7527ba08f798d222e7ff Mon Sep 17 00:00:00 2001 From: Andrey Petrov Date: Mon, 29 Jul 2019 14:41:35 -0700 Subject: common/block/imc: Add Integrated Memory Controller (IMC) driver IMC is found on certain Xeon processors. On such platforms SPDs are not connected to SMBus on PCH but to dedicated IMC-owned pins. The purpose of this driver is to expose access to the i2c/smbus controller associated with IMC. Datasheet used: Intel Xeon Processor D-1500 Product Family, Volume 2, reference 332051-001 This driver is largely based on i2c-imc.c Linux driver. https://lwn.net/Articles/685475/ TEST=single/double reads and single writes on Xeon-D1500. Hardware: Open Compute Project Monolake platform. Signed-off-by: Andrey Petrov Change-Id: Idbcda1c2273b9a5721fcd9470b4de182192779e7 Reviewed-on: https://review.coreboot.org/c/coreboot/+/34678 Reviewed-by: David Hendricks Tested-by: build bot (Jenkins) --- src/soc/intel/fsp_broadwell_de/Kconfig | 3 +++ 1 file changed, 3 insertions(+) (limited to 'src/soc/intel/fsp_broadwell_de') diff --git a/src/soc/intel/fsp_broadwell_de/Kconfig b/src/soc/intel/fsp_broadwell_de/Kconfig index 98969752b3..7783f78599 100644 --- a/src/soc/intel/fsp_broadwell_de/Kconfig +++ b/src/soc/intel/fsp_broadwell_de/Kconfig @@ -26,6 +26,9 @@ config CPU_SPECIFIC_OPTIONS select TSC_CONSTANT_RATE select HAVE_FSP_BIN select CPU_INTEL_FIRMWARE_INTERFACE_TABLE + select SOC_INTEL_COMMON + select SOC_INTEL_COMMON_BLOCK + select SOC_INTEL_COMMON_BLOCK_IMC config VBOOT select VBOOT_STARTS_IN_ROMSTAGE -- cgit v1.2.3