Pointer passed to print_spd_info() from meminit.c needs to be
dereferenced first, so this change dereferences it.
BUG=b:154352883
TEST="emerge-volteer coreboot chromeos-bootimage", flash and boot
volteer, login to kernel and execute the following cbmem command:
localhost ~ # cbmem -c | grep LPDDR4X
and verify it returns "SPD: module type is LPDDR4X"
Change-Id: I5ff64121f0d50947c4946e9e02460dfb7319d01a
Signed-off-by: Nick Vaccaro <nvaccaro@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40496
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
For DDR4, FSP expects channel 0 to set SPD for index 0 and channel 1
to set SPD for index 4. This change adds a helper macro to translate
DDR4 channel # to the index # that the FSP expects.
BUG=b:154445630
TEST=Verified that memory initialization for DDR4 is successful.
Change-Id: I2b6ea2433453a574970c1c33ff629fd54ff5d508
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40588
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kane Chen <kane.chen@intel.com>
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>
This change disables MrcSafeConfig option during MRC training.
MrcSafeConfig was enabled as part of the early testing.
Now with FSP 2527, there is no need to set this config anymore.
BUG=b:150357377
BRANCH=master
TEST=build and boot ripto/volteer
Signed-off-by: Srinidhi N Kaushik <srinidhi.n.kaushik@intel.com>
Change-Id: I4e4069d83754aaf1e4885d6912ab2a6d506c5269
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40106
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Wonkyu Kim <wonkyu.kim@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This change reorganizes memory initialization code for LPDDR4x on
TGL to allow sharing of code when adding support for other memory
types. In follow-up changes, support for DDR4 will be added.
1. It adds configuration for memory topology which is currently only
MEMORY_DOWN, however DDR4 requires more topologies to be
supported.
2. spd_info structure is organized to allow mixed topologies as well.
3. DQ/DQS maps are organized to reflect hardware configuration.
TEST=Verified that volteer still boots and memory initialization is
successful.
Signed-off-by: Furquan Shaikh <furquan@google.com>
Change-Id: Ib625f2ab30a6e1362a310d9abb3f2051f85c3013
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39865
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>
