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authorEdward O'Callaghan <quasisec@google.com>2020-02-21 16:08:04 +1100
committerEdward O'Callaghan <quasisec@chromium.org>2020-02-28 03:28:30 +0000
commitfa043c4e9d8ee07aba02eb9c7bdbe41e4848f5a9 (patch)
tree9198da9d5c3006256a53e22be84662851b3f5969
parentd51665600e0ddbd4e1ae7144e29d179287ec285f (diff)
soc/intel/cannonlake: Plumb TetonGlacierMode into dt
The following plumbs through the enabling of Intel's TetonGlacierMode allows for reconfiguring the PCIe lanes at runtime for hybrid drives to be accessable via devicetree. BUG=b:149171631 BRANCH=none TEST=Swap between x4 NVMe drives and 2x2 Teton Glacier hybrid drives and run lsblk, lspci, and nvme tools to confirm dynamic PCIe configuration on Puff. Change-Id: Id9a72161494db6a4da4abd3302b06df7c70634ab Signed-off-by: Edward O'Callaghan <quasisec@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/38846 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
-rw-r--r--src/soc/intel/cannonlake/chip.h3
-rw-r--r--src/soc/intel/cannonlake/fsp_params.c3
2 files changed, 6 insertions, 0 deletions
diff --git a/src/soc/intel/cannonlake/chip.h b/src/soc/intel/cannonlake/chip.h
index fd37d26492..752ec1f315 100644
--- a/src/soc/intel/cannonlake/chip.h
+++ b/src/soc/intel/cannonlake/chip.h
@@ -242,6 +242,9 @@ struct soc_intel_cannonlake_config {
* Setting to 0 (default) disables Heci1 and hides the device from OS */
uint8_t HeciEnabled;
+ /* Enables support for Teton Glacier hybrid storage device */
+ uint8_t TetonGlacierMode;
+
/* PL1 Override value in Watts */
uint32_t tdp_pl1_override;
/* PL2 Override value in Watts */
diff --git a/src/soc/intel/cannonlake/fsp_params.c b/src/soc/intel/cannonlake/fsp_params.c
index f1b8446f48..80918f12d9 100644
--- a/src/soc/intel/cannonlake/fsp_params.c
+++ b/src/soc/intel/cannonlake/fsp_params.c
@@ -374,6 +374,9 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd)
#endif
params->Device4Enable = config->Device4Enable;
+ /* Teton Glacier hybrid storage support */
+ params->TetonGlacierMode = config->TetonGlacierMode;
+
/* VrConfig Settings for 5 domains
* 0 = System Agent, 1 = IA Core, 2 = Ring,
* 3 = GT unsliced, 4 = GT sliced */