soc/intel/alderlake: Create separate Kconfig for CLKSRC and CLKREQ
As per Hardware Architecture Specification (HAS) ADL-P has 7 CLKSRC
and 10 CLKREQ (7 SRCCLK is internal and 3 SRCCLK from external CLK chip).
ADL-M has 6 SRCCLK and CLKREQ (no external CLK chip).
Change-Id: I7d223c165f819669722cbc80245fa8ec20372352
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50130
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/intel/alderlake/Kconfig b/src/soc/intel/alderlake/Kconfig
index 7289e02..806c91b 100644
--- a/src/soc/intel/alderlake/Kconfig
+++ b/src/soc/intel/alderlake/Kconfig
@@ -139,10 +139,15 @@
int
default MAX_PCH_ROOT_PORTS
-config MAX_PCIE_CLOCKS
+config MAX_PCIE_CLOCK_SRC
int
- default 10 if SOC_INTEL_ALDERLAKE_PCH_M
- default 12
+ default 6 if SOC_INTEL_ALDERLAKE_PCH_M
+ default 7
+
+config MAX_PCIE_CLOCK_REQ
+ int
+ default 6 if SOC_INTEL_ALDERLAKE_PCH_M
+ default 10
config SMM_TSEG_SIZE
hex
diff --git a/src/soc/intel/alderlake/chip.h b/src/soc/intel/alderlake/chip.h
index 70ceba7..0f932ce 100644
--- a/src/soc/intel/alderlake/chip.h
+++ b/src/soc/intel/alderlake/chip.h
@@ -131,10 +131,10 @@
/* PCIe output clocks type to PCIe devices.
* 0-23: PCH rootport, 0x70: LAN, 0x80: unspecified but in use,
* 0xFF: not used */
- uint8_t PcieClkSrcUsage[CONFIG_MAX_PCIE_CLOCKS];
+ uint8_t PcieClkSrcUsage[CONFIG_MAX_PCIE_CLOCK_SRC];
/* PCIe ClkReq-to-ClkSrc mapping, number of clkreq signal assigned to
* clksrc. */
- uint8_t PcieClkSrcClkReq[CONFIG_MAX_PCIE_CLOCKS];
+ uint8_t PcieClkSrcClkReq[CONFIG_MAX_PCIE_CLOCK_REQ];
/* Probe CLKREQ# signal before enabling CLKREQ# based power management.*/
uint8_t PcieRpClkReqDetect[CONFIG_MAX_PCH_ROOT_PORTS];