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authorAndrey Petrov <anpetrov@fb.com>2019-07-29 14:41:35 -0700
committerMartin Roth <martinroth@google.com>2019-08-14 03:34:42 +0000
commitf377fafd941a44252c4c7527ba08f798d222e7ff (patch)
treec90e095c3234bf0ecb4abc2ccb6a8f1107fb7c37 /src/soc/intel/common/block/imc/Kconfig
parentc0193c92379e19add78e4e3668fd222e4d041672 (diff)
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 <anpetrov@fb.com> Change-Id: Idbcda1c2273b9a5721fcd9470b4de182192779e7 Reviewed-on: https://review.coreboot.org/c/coreboot/+/34678 Reviewed-by: David Hendricks <david.hendricks@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/intel/common/block/imc/Kconfig')
-rw-r--r--src/soc/intel/common/block/imc/Kconfig7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/imc/Kconfig b/src/soc/intel/common/block/imc/Kconfig
new file mode 100644
index 0000000000..490b80ebeb
--- /dev/null
+++ b/src/soc/intel/common/block/imc/Kconfig
@@ -0,0 +1,7 @@
+config SOC_INTEL_COMMON_BLOCK_IMC
+ bool
+ depends on MMCONF_SUPPORT
+ default n
+ help
+ Driver for communication with Integrated Memory Controller that is found on
+ some Xeon server processors.