soc/intel/alderlake: Add support for power cycle and SLP signal duration

The UPDs for PM power cycle duration and SLP_* signal durations are all
identical to Tiger Lake, so add similar support, but use enums instead
of comments to represent the durations symbolically.

BUG=b:184799383

Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Change-Id: I4a531f042658894bcbc6a76eff453c06e90d66b0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57891
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/alderlake/chip.h

@@ -438,6 +438,55 @@ struct soc_intel_alderlake_config {
 	struct vr_config domain_vr_config[NUM_VR_DOMAINS];
 
 	uint16_t MaxDramSpeed;
+
+	enum {
+		SLP_S3_ASSERTION_DEFAULT,
+		SLP_S3_ASSERTION_60_US,
+		SLP_S3_ASSERTION_1_MS,
+		SLP_S3_ASSERTION_50_MS,
+		SLP_S3_ASSERTION_2_S,
+	} pch_slp_s3_min_assertion_width;
+
+	enum {
+		SLP_S4_ASSERTION_DEFAULT,
+		SLP_S4_ASSERTION_1S,
+		SLP_S4_ASSERTION_2S,
+		SLP_S4_ASSERTION_3S,
+		SLP_S4_ASSERTION_4S,
+	} pch_slp_s4_min_assertion_width;
+
+	enum {
+		SLP_SUS_ASSERTION_DEFAULT,
+		SLP_SUS_ASSERTION_0_MS,
+		SLP_SUS_ASSERTION_500_MS,
+		SLP_SUS_ASSERTION_1_S,
+		SLP_SUS_ASSERTION_4_S,
+	} pch_slp_sus_min_assertion_width;
+
+	enum {
+		SLP_A_ASSERTION_DEFAULT,
+		SLP_A_ASSERTION_0_MS,
+		SLP_A_ASSERTION_4_S,
+		SLP_A_ASSERTION_98_MS,
+		SLP_A_ASSERTION_2_S,
+	} pch_slp_a_min_assertion_width;
+
+	/*
+	 * PCH PM Reset Power Cycle Duration
+	 * NOTE: Duration programmed in the PchPmPwrCycDur should never be smaller than the
+	 * stretch duration programmed in the following registers:
+	 *  - GEN_PMCON_A.SLP_S3_MIN_ASST_WDTH (PchPmSlpS3MinAssert)
+	 *  - GEN_PMCON_A.S4MAW (PchPmSlpS4MinAssert)
+	 *  - PM_CFG.SLP_A_MIN_ASST_WDTH (PchPmSlpAMinAssert)
+	 *  - PM_CFG.SLP_LAN_MIN_ASST_WDTH
+	 */
+	enum {
+		POWER_CYCLE_DURATION_DEFAULT,
+		POWER_CYCLE_DURATION_1S,
+		POWER_CYCLE_DURATION_2S,
+		POWER_CYCLE_DURATION_3S,
+		POWER_CYCLE_DURATION_4S,
+	} pch_reset_power_cycle_duration;
 };
 
 typedef struct soc_intel_alderlake_config config_t;