diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/intel/elkhartlake_crb/variants/ehlcrb/devicetree.cb | 4 | ||||
| -rw-r--r-- | src/soc/intel/elkhartlake/Kconfig | 1 | ||||
| -rw-r--r-- | src/soc/intel/elkhartlake/acpi/southbridge.asl | 4 | ||||
| -rw-r--r-- | src/soc/intel/elkhartlake/acpi/tsn_glan.asl | 15 | ||||
| -rw-r--r-- | src/soc/intel/elkhartlake/chip.h | 16 | ||||
| -rw-r--r-- | src/soc/intel/elkhartlake/fsp_params.c | 35 |
6 files changed, 72 insertions, 3 deletions
diff --git a/src/mainboard/intel/elkhartlake_crb/variants/ehlcrb/devicetree.cb b/src/mainboard/intel/elkhartlake_crb/variants/ehlcrb/devicetree.cb index d6dca6772b..7c1d48aa14 100644 --- a/src/mainboard/intel/elkhartlake_crb/variants/ehlcrb/devicetree.cb +++ b/src/mainboard/intel/elkhartlake_crb/variants/ehlcrb/devicetree.cb @@ -140,6 +140,10 @@ chip soc/intel/elkhartlake [PchSerialIoIndexUART2] = 1, }" + # TSN GBE related UPDs + register "PchTsnGbeLinkSpeed" = "Tsn_2_5_Gbps" + register "PchTsnGbeSgmiiEnable" = "1" + # GPIO for SD card detect register "sdcard_cd_gpio" = "GPP_G5" diff --git a/src/soc/intel/elkhartlake/Kconfig b/src/soc/intel/elkhartlake/Kconfig index 139161bcd7..f440d3313d 100644 --- a/src/soc/intel/elkhartlake/Kconfig +++ b/src/soc/intel/elkhartlake/Kconfig @@ -35,6 +35,7 @@ config CPU_SPECIFIC_OPTIONS select REG_SCRIPT select PMC_GLOBAL_RESET_ENABLE_LOCK select PMC_LOW_POWER_MODE_PROGRAM + select PMC_EPOC select SOC_INTEL_COMMON select SOC_INTEL_COMMON_ACPI_WAKE_SOURCE select SOC_INTEL_COMMON_BLOCK diff --git a/src/soc/intel/elkhartlake/acpi/southbridge.asl b/src/soc/intel/elkhartlake/acpi/southbridge.asl index ccad7760a3..059f220c0c 100644 --- a/src/soc/intel/elkhartlake/acpi/southbridge.asl +++ b/src/soc/intel/elkhartlake/acpi/southbridge.asl @@ -44,5 +44,5 @@ /* EMMC/SD card */ #include "scs.asl" -/* GbE 0:1f.6 */ -#include <soc/intel/common/block/acpi/acpi/pch_glan.asl> +/* GbE 0:1e.4 */ +#include "tsn_glan.asl" diff --git a/src/soc/intel/elkhartlake/acpi/tsn_glan.asl b/src/soc/intel/elkhartlake/acpi/tsn_glan.asl new file mode 100644 index 0000000000..de4f0b66a4 --- /dev/null +++ b/src/soc/intel/elkhartlake/acpi/tsn_glan.asl @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +/* Intel PCH TSN Ethernet Controller 0:1e.4 */ + +Device(GTSN) { + Name(_ADR, 0x001E0004) + OperationRegion(TSRT,PCI_Config,0x00,0x100) + Field(TSRT,AnyAcc,NoLock,Preserve) + { + DVID, 16, + Offset(0x10), + TADL, 32, + TADH, 32, + } +} diff --git a/src/soc/intel/elkhartlake/chip.h b/src/soc/intel/elkhartlake/chip.h index e4c8e38fef..dbce712174 100644 --- a/src/soc/intel/elkhartlake/chip.h +++ b/src/soc/intel/elkhartlake/chip.h @@ -42,6 +42,12 @@ struct ehl_ibecc_config { uint16_t region_mask[MAX_IBECC_REGIONS]; }; +/* TSN GBE Link Speed: 0: 2.5Gbps, 1: 1Gbps */ +enum tsn_gbe_link_speed { + Tsn_2_5_Gbps, + Tsn_1_Gbps, +}; + struct soc_intel_elkhartlake_config { /* Common struct containing soc config data required by common code */ @@ -156,7 +162,7 @@ struct soc_intel_elkhartlake_config { * clksrc. */ uint8_t PcieClkSrcClkReq[CONFIG_MAX_PCIE_CLOCK_SRC]; -/* Enable PCIe Precision Time Measurement for Root Ports (disabled by default) */ + /* Enable PCIe Precision Time Measurement for Root Ports (disabled by default) */ uint8_t PciePtm[CONFIG_MAX_ROOT_PORTS]; /* Probe CLKREQ# signal before enabling CLKREQ# based power management. @@ -400,6 +406,14 @@ struct soc_intel_elkhartlake_config { * Values: 0x0 - 4s, 0x1 - 6s, 0x2 - 8s, 0x3 - 10s, 0x4 - 12s, 0x5 - 14s */ u8 PchPmPwrBtnOverridePeriod; + + /* GBE related */ + /* PCH TSN GBE Link Speed: 0: 2.5Gbps, 1: 1Gbps */ + enum tsn_gbe_link_speed PchTsnGbeLinkSpeed; + /* PCH TSN GBE SGMII Support: Disable (0) / Enable (1) */ + bool PchTsnGbeSgmiiEnable; + /* PCH TSN GBE Multiple Virtual Channel: Disable (0) / Enable (1) */ + bool PchTsnGbeMultiVcEnable; }; typedef struct soc_intel_elkhartlake_config config_t; diff --git a/src/soc/intel/elkhartlake/fsp_params.c b/src/soc/intel/elkhartlake/fsp_params.c index c7ac16ee60..e738d1125a 100644 --- a/src/soc/intel/elkhartlake/fsp_params.c +++ b/src/soc/intel/elkhartlake/fsp_params.c @@ -7,6 +7,7 @@ #include <fsp/util.h> #include <intelblocks/lpss.h> #include <intelblocks/mp_init.h> +#include <intelblocks/pmclib.h> #include <intelblocks/xdci.h> #include <intelpch/lockdown.h> #include <soc/intel/common/vbt.h> @@ -311,6 +312,40 @@ void platform_fsp_silicon_init_params_cb(FSPS_UPD *supd) params->PsfFusaConfigEnable = 0; } + /* PCH GBE config */ + /* + * Due to EHL GBE comes with time sensitive networking (TSN) + * capability integrated, EHL FSP is using PchTsnEnable instead of + * usual PchLanEnable flag for GBE control. Hence, force + * PchLanEnable to disable to avoid it being used in the future. + */ + params->PchLanEnable = 0x0; + params->PchTsnEnable = is_devfn_enabled(PCH_DEVFN_GBE); + if (params->PchTsnEnable) { + params->PchTsnGbeSgmiiEnable = config->PchTsnGbeSgmiiEnable; + params->PchTsnGbeMultiVcEnable = config->PchTsnGbeMultiVcEnable; + /* + * Currently EHL TSN GBE only supports link speed with 2 type of + * PCH XTAL frequency: 24 MHz and 38.4 MHz. + * These are the configs setup for PchTsnGbeLinkSpeed FSP-S UPD: + * 0: 24MHz 2.5Gbps, 1: 24MHz 1Gbps, 2: 38.4MHz 2.5Gbps, + * 3: 38.4MHz 1Gbps + */ + switch (pmc_get_xtal_freq()) { + case XTAL_24_MHZ: + params->PchTsnGbeLinkSpeed = (!!config->PchTsnGbeLinkSpeed); + break; + case XTAL_38_4_MHZ: + params->PchTsnGbeLinkSpeed = (!!config->PchTsnGbeLinkSpeed) + 0x2; + break; + case XTAL_19_2_MHZ: + default: + printk(BIOS_ERR, "XTAL not supported. Disabling PCH TSN GBE.\n"); + params->PchTsnEnable = 0; + devfn_disable(pci_root_bus(), PCH_DEVFN_GBE); + } + } + /* Override/Fill FSP Silicon Param for mainboard */ mainboard_silicon_init_params(params); } |