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Ravi Sarawadib8224f42022-04-10 23:31:24 -07001config SOC_INTEL_METEORLAKE
2 bool
Ravi Sarawadi91ffac82022-05-07 16:37:09 -07003 help
Subrata Banik807d3332023-06-02 15:42:08 +05304 Intel Meteorlake support. Mainboards should specify the SoC
5 type using the `SOC_INTEL_METEORLAKE_*` options instead
6 of selecting this option directly.
7
Subrata Banik3a183bc2023-06-20 20:29:29 +05308config SOC_INTEL_METEORLAKE_U_H
Subrata Banik807d3332023-06-02 15:42:08 +05309 bool
10 select SOC_INTEL_METEORLAKE
11 help
Subrata Banik3a183bc2023-06-20 20:29:29 +053012 Choose this option if your mainboard has a MTL-U (9W or 15W)
13 or MTL-H (28W or 45W) SoC.
14
15 Note, the MTL-U/H-Processor Line offered in a 1-Chip Platform
16 that includes the Compute, SOC, GT, and IOE tile on the same
17 package.
Subrata Banik807d3332023-06-02 15:42:08 +053018
19config SOC_INTEL_METEORLAKE_S
20 bool
21 select SOC_INTEL_METEORLAKE
22 help
Subrata Banik3a183bc2023-06-20 20:29:29 +053023 Choose this option if your mainboard has a MTL-S (35W or 65W) SoC.
Subrata Banik807d3332023-06-02 15:42:08 +053024 Note, MTL-S SoC combines Compute, GFX, SoC, IOE and PCH die.
Ravi Sarawadib8224f42022-04-10 23:31:24 -070025
26if SOC_INTEL_METEORLAKE
27
28config CPU_SPECIFIC_OPTIONS
29 def_bool y
Ravi Sarawadi91ffac82022-05-07 16:37:09 -070030 select ACPI_INTEL_HARDWARE_SLEEP_VALUES
Ravi Sarawadib8224f42022-04-10 23:31:24 -070031 select ARCH_X86
32 select BOOT_DEVICE_SUPPORTS_WRITES
Ravi Sarawadi8069b5d2022-04-10 23:36:52 -070033 select CACHE_MRC_SETTINGS
34 select CPU_INTEL_COMMON
Subrata Banik1f5154e2022-12-06 18:21:50 +053035 select CPU_INTEL_COMMON_VOLTAGE
Ravi Sarawadi91ffac82022-05-07 16:37:09 -070036 select CPU_INTEL_FIRMWARE_INTERFACE_TABLE
37 select CPU_SUPPORTS_INTEL_TME
38 select CPU_SUPPORTS_PM_TIMER_EMULATION
Matt DeVillierdecbf7b2023-01-18 18:58:38 -060039 select DEFAULT_SOFTWARE_CONNECTION_MANAGER if MAINBOARD_HAS_CHROMEOS
Subrata Banike96993d2022-07-09 22:06:45 +000040 select DEFAULT_X2APIC_LATE_WORKAROUND
Saurabh Mishra16ba8e12022-11-22 13:35:08 +053041 select DISPLAY_FSP_VERSION_INFO_2
Ravi Sarawadie02fd832022-05-08 00:27:31 -070042 select DRIVERS_USB_ACPI
Sean Rhodes7bbc9a52022-07-18 11:31:00 +010043 select EDK2_CPU_TIMER_LIB if PAYLOAD_EDK2
Ravi Sarawadi91ffac82022-05-07 16:37:09 -070044 select FSP_COMPRESS_FSP_S_LZ4
45 select FAST_SPI_SUPPORTS_EXT_BIOS_WINDOW
Ravi Sarawadi8069b5d2022-04-10 23:36:52 -070046 select FSP_M_XIP
Ravi Sarawadi91ffac82022-05-07 16:37:09 -070047 select FSP_STATUS_GLOBAL_RESET_REQUIRED_3
Subrata Banike88bee72022-06-27 16:51:44 +053048 select FSP_USES_CB_DEBUG_EVENT_HANDLER
49 select FSPS_HAS_ARCH_UPD
Ravi Sarawadi91ffac82022-05-07 16:37:09 -070050 select GENERIC_GPIO_LIB
Subrata Banike88bee72022-06-27 16:51:44 +053051 select HAVE_DEBUG_RAM_SETUP
Ravi Sarawadi91ffac82022-05-07 16:37:09 -070052 select HAVE_FSP_GOP
Eran Mitrani222903e2022-12-19 11:27:10 -080053 select HAVE_HYPERTHREADING
Subrata Banikc0f4b122022-12-06 14:03:07 +053054 select HAVE_INTEL_COMPLIANCE_TEST_MODE
Ravi Sarawadi91ffac82022-05-07 16:37:09 -070055 select HAVE_SMI_HANDLER
Ravi Sarawadib8224f42022-04-10 23:31:24 -070056 select IDT_IN_EVERY_STAGE
Subrata Banik0d6d2282022-07-09 22:17:02 +000057 select INTEL_DESCRIPTOR_MODE_CAPABLE
Ravi Sarawadi91ffac82022-05-07 16:37:09 -070058 select INTEL_GMA_ACPI
Ravi Sarawadi8069b5d2022-04-10 23:36:52 -070059 select INTEL_GMA_ADD_VBT if RUN_FSP_GOP
Dinesh Gehlot0d76a302022-12-09 07:24:08 +000060 select INTEL_GMA_OPREGION_2_1
Subrata Banik0d6d2282022-07-09 22:17:02 +000061 select IOAPIC
Ravi Sarawadi91ffac82022-05-07 16:37:09 -070062 select MICROCODE_BLOB_UNDISCLOSED
Subrata Banika2473192023-02-22 13:03:04 +000063 select MP_SERVICES_PPI_V2
Subrata Banik0d6d2282022-07-09 22:17:02 +000064 select MRC_SETTINGS_PROTECT
Subrata Banik0d6d2282022-07-09 22:17:02 +000065 select PARALLEL_MP_AP_WORK
Ravi Sarawadi91ffac82022-05-07 16:37:09 -070066 select PLATFORM_USES_FSP2_3
67 select PMC_GLOBAL_RESET_ENABLE_LOCK
Ravi Sarawadib8224f42022-04-10 23:31:24 -070068 select SOC_INTEL_COMMON
Ravi Sarawadie02fd832022-05-08 00:27:31 -070069 select SOC_INTEL_COMMON_ACPI_WAKE_SOURCE
Ravi Sarawadi8069b5d2022-04-10 23:36:52 -070070 select SOC_INTEL_COMMON_BLOCK
Ravi Sarawadie02fd832022-05-08 00:27:31 -070071 select SOC_INTEL_COMMON_BLOCK_ACPI
72 select SOC_INTEL_COMMON_BLOCK_ACPI_CPPC
Sridhar Siricillad1237da2022-12-09 01:13:45 +053073 select SOC_INTEL_COMMON_BLOCK_ACPI_CPU_HYBRID
Ravi Sarawadie02fd832022-05-08 00:27:31 -070074 select SOC_INTEL_COMMON_BLOCK_ACPI_GPIO
Subrata Banik2a2488f2022-12-05 20:28:42 +053075 select SOC_INTEL_COMMON_BLOCK_ACPI_LPIT
Ravi Sarawadie02fd832022-05-08 00:27:31 -070076 select SOC_INTEL_COMMON_BLOCK_ACPI_PEP
77 select SOC_INTEL_COMMON_BLOCK_ACPI_PEP_LPM_REQ
Ravi Sarawadib8224f42022-04-10 23:31:24 -070078 select SOC_INTEL_COMMON_BLOCK_CAR
Ravi Sarawadi8069b5d2022-04-10 23:36:52 -070079 select SOC_INTEL_COMMON_BLOCK_CHIP_CONFIG
Subrata Banik00b682e2022-09-14 17:58:51 -070080 select SOC_INTEL_COMMON_BLOCK_CNVI
Ravi Sarawadib8224f42022-04-10 23:31:24 -070081 select SOC_INTEL_COMMON_BLOCK_CPU
Ravi Sarawadi91ffac82022-05-07 16:37:09 -070082 select SOC_INTEL_COMMON_BLOCK_CPU_MPINIT
83 select SOC_INTEL_COMMON_BLOCK_CPU_SMMRELOCATE
84 select SOC_INTEL_COMMON_BLOCK_DTT
85 select SOC_INTEL_COMMON_BLOCK_GPIO_DUAL_ROUTE_SUPPORT
Subrata Banik247dd0e2023-03-16 18:31:13 +053086 select SOC_INTEL_COMMON_BLOCK_GPIO_IOSTANDBY
Subrata Banikbae1de12022-07-21 13:43:37 +000087 select SOC_INTEL_COMMON_BLOCK_GPIO_LOCK_USING_PCR
Jamie Ryub6c32d72022-08-03 01:13:33 -070088 select SOC_INTEL_COMMON_BLOCK_GPIO_PMODE_4BITS
Ravi Sarawadib8224f42022-04-10 23:31:24 -070089 select SOC_INTEL_COMMON_BLOCK_GSPI_VERSION_2
Ravi Sarawadi91ffac82022-05-07 16:37:09 -070090 select SOC_INTEL_COMMON_BLOCK_HDA
Subrata Banik98b69672022-11-23 14:46:16 +053091 select SOC_INTEL_COMMON_BLOCK_HECI1_DISABLE_USING_PMC_IPC
Ravi Sarawadi91ffac82022-05-07 16:37:09 -070092 select SOC_INTEL_COMMON_BLOCK_IPU
93 select SOC_INTEL_COMMON_BLOCK_IOE_P2SB
Kapil Porwalcca3c902022-12-19 23:57:15 +053094 select SOC_INTEL_COMMON_BLOCK_IRQ
Dinesh Gehlotef2e4fc2023-02-20 13:15:13 +000095 select SOC_INTEL_COMMON_BLOCK_ME_SPEC_18
Ravi Sarawadi8069b5d2022-04-10 23:36:52 -070096 select SOC_INTEL_COMMON_BLOCK_MEMINIT
Ravi Sarawadi91ffac82022-05-07 16:37:09 -070097 select SOC_INTEL_COMMON_BLOCK_PCIE_RTD3
98 select SOC_INTEL_COMMON_BLOCK_PMC_EPOC
99 select SOC_INTEL_COMMON_BLOCK_POWER_LIMIT
Ravi Sarawadib8224f42022-04-10 23:31:24 -0700100 select SOC_INTEL_COMMON_BLOCK_SA
Ravi Sarawadi91ffac82022-05-07 16:37:09 -0700101 select SOC_INTEL_COMMON_BLOCK_SMM
102 select SOC_INTEL_COMMON_BLOCK_SMM_IO_TRAP
Ravi Sarawadi91ffac82022-05-07 16:37:09 -0700103 select SOC_INTEL_COMMON_BLOCK_THERMAL_BEHIND_PMC
Ravi Sarawadi91ffac82022-05-07 16:37:09 -0700104 select SOC_INTEL_COMMON_BLOCK_XHCI
105 select SOC_INTEL_COMMON_BLOCK_XHCI_ELOG
106 select SOC_INTEL_COMMON_BASECODE
Subrata Banik30a01142023-03-22 00:35:42 +0530107 select SOC_INTEL_COMMON_BASECODE_RAMTOP
Ravi Sarawadi91ffac82022-05-07 16:37:09 -0700108 select SOC_INTEL_COMMON_FSP_RESET
Angel Ponseb90c512022-07-18 14:41:24 +0200109 select SOC_INTEL_COMMON_PCH_CLIENT
Ravi Sarawadib8224f42022-04-10 23:31:24 -0700110 select SOC_INTEL_COMMON_RESET
Ravi Sarawadi91ffac82022-05-07 16:37:09 -0700111 select SOC_INTEL_COMMON_BLOCK_IOC
Subrata Banik38793342023-04-19 18:38:03 +0530112 select SOC_INTEL_CSE_SEND_EOP_LATE if !MAINBOARD_HAS_CHROMEOS
Ravi Sarawadi91ffac82022-05-07 16:37:09 -0700113 select SOC_INTEL_CSE_SET_EOP
Wonkyu Kima8884892022-08-10 14:10:03 -0700114 select SOC_INTEL_GFX_NON_PREFETCHABLE_MMIO
Ravi Sarawadi91ffac82022-05-07 16:37:09 -0700115 select SOC_INTEL_MEM_MAPPED_PM_CONFIGURATION
Ravi Sarawadib8224f42022-04-10 23:31:24 -0700116 select SSE2
117 select SUPPORT_CPU_UCODE_IN_CBFS
118 select TSC_MONOTONIC_TIMER
119 select UDELAY_TSC
Ronak Kanabar8e38a672023-06-08 16:43:08 +0530120 select UDK_202302_BINDING
Subrata Banik2921a222023-02-28 10:08:27 +0000121 select X86_CLFLUSH_CAR
Subrata Banik6a22c5f2022-11-21 17:39:57 +0530122 select X86_INIT_NEED_1_SIPI
Pratikkumar Prajapati20ce9012022-12-19 17:41:39 -0800123 select INTEL_KEYLOCKER
Ravi Sarawadi91ffac82022-05-07 16:37:09 -0700124
Subrata Banik8e158592022-12-13 12:16:52 +0530125config SOC_INTEL_METEORLAKE_TCSS_USB4_SUPPORT
126 bool
127 default y
128 select SOC_INTEL_COMMON_BLOCK_TCSS
129 select SOC_INTEL_COMMON_BLOCK_USB4
130 select SOC_INTEL_COMMON_BLOCK_USB4_PCIE
131 select SOC_INTEL_COMMON_BLOCK_USB4_XHCI
132
Subrata Banik43004212022-12-13 12:20:47 +0530133config METEORLAKE_CAR_ENHANCED_NEM
134 bool
135 default y if !INTEL_CAR_NEM
136 select INTEL_CAR_NEM_ENHANCED
137 select CAR_HAS_SF_MASKS
138 select COS_MAPPED_TO_MSB
139 select CAR_HAS_L3_PROTECTED_WAYS
140
Ravi Sarawadi91ffac82022-05-07 16:37:09 -0700141config MAX_CPUS
142 int
143 default 22
Ravi Sarawadib8224f42022-04-10 23:31:24 -0700144
145config DCACHE_RAM_BASE
146 default 0xfef00000
147
148config DCACHE_RAM_SIZE
149 default 0xc0000
150 help
151 The size of the cache-as-ram region required during bootblock
152 and/or romstage.
153
154config DCACHE_BSP_STACK_SIZE
155 hex
156 default 0x80400
157 help
158 The amount of anticipated stack usage in CAR by bootblock and
159 other stages. In the case of FSP_USES_CB_STACK default value will be
160 sum of FSP-M stack requirement(512KiB) and CB romstage stack requirement
161 (~1KiB).
162
163config FSP_TEMP_RAM_SIZE
164 hex
165 default 0x20000
166 help
167 The amount of anticipated heap usage in CAR by FSP.
168 Refer to Platform FSP integration guide document to know
169 the exact FSP requirement for Heap setup.
170
Ravi Sarawadi91ffac82022-05-07 16:37:09 -0700171config CHIPSET_DEVICETREE
172 string
173 default "soc/intel/meteorlake/chipset.cb"
174
175config EXT_BIOS_WIN_BASE
176 default 0xf8000000
177
178config EXT_BIOS_WIN_SIZE
179 default 0x2000000
180
Ravi Sarawadib8224f42022-04-10 23:31:24 -0700181config IFD_CHIPSET
182 string
Subrata Banikd624e742022-07-06 06:45:57 +0000183 default "mtl"
Ravi Sarawadib8224f42022-04-10 23:31:24 -0700184
185config IED_REGION_SIZE
186 hex
187 default 0x400000
188
189config HEAP_SIZE
190 hex
191 default 0x10000
192
Subrata Banika33bcb92022-07-06 07:07:26 +0000193# Intel recommends reserving the PCIe TBT root port resources as below:
Ravi Sarawadi91ffac82022-05-07 16:37:09 -0700194# - 42 buses
195# - 194 MiB Non-prefetchable memory
196# - 448 MiB Prefetchable memory
197if SOC_INTEL_ENABLE_USB4_PCIE_RESOURCES
198
199config PCIEXP_HOTPLUG_BUSES
200 int
201 default 42
202
203config PCIEXP_HOTPLUG_MEM
204 hex
205 default 0xc200000
206
207config PCIEXP_HOTPLUG_PREFETCH_MEM
208 hex
209 default 0x1c000000
210
211endif # SOC_INTEL_ENABLE_USB4_PCIE_RESOURCES
212
213config MAX_TBT_ROOT_PORTS
214 int
215 default 4
216
217config MAX_ROOT_PORTS
218 int
219 default 12
220
221config MAX_PCIE_CLOCK_SRC
222 int
223 default 9
224
225config SMM_TSEG_SIZE
226 hex
227 default 0x800000
228
229config SMM_RESERVED_SIZE
230 hex
231 default 0x200000
232
Ravi Sarawadib8224f42022-04-10 23:31:24 -0700233config PCR_BASE_ADDRESS
234 hex
235 default 0xe0000000
236 help
237 This option allows you to select MMIO Base Address of sideband bus.
238
239config ECAM_MMCONF_BASE_ADDRESS
240 default 0xc0000000
241
Sridhar Siricillad9c82692023-01-05 17:08:17 +0530242config SOC_INTEL_PERFORMANCE_CORE_SCALE_FACTOR
243 int
244 default 125
245
246config SOC_INTEL_EFFICIENT_CORE_SCALE_FACTOR
247 int
248 default 100
249
Ravi Sarawadib8224f42022-04-10 23:31:24 -0700250config CPU_BCLK_MHZ
251 int
252 default 100
253
254config SOC_INTEL_COMMON_BLOCK_GSPI_CLOCK_MHZ
255 int
256 default 120
257
258config CPU_XTAL_HZ
259 default 38400000
260
261config DRIVERS_I2C_DESIGNWARE_CLOCK_MHZ
262 int
263 default 133
264
265config SOC_INTEL_COMMON_BLOCK_GSPI_MAX
266 int
Subrata Banike54a8fd2022-07-06 12:54:48 +0000267 default 3
Ravi Sarawadib8224f42022-04-10 23:31:24 -0700268
269config SOC_INTEL_I2C_DEV_MAX
270 int
271 default 6
272
273config SOC_INTEL_UART_DEV_MAX
274 int
275 default 3
276
Ravi Sarawadi91ffac82022-05-07 16:37:09 -0700277config SOC_INTEL_USB2_DEV_MAX
278 int
279 default 10
280
281config SOC_INTEL_USB3_DEV_MAX
282 int
283 default 2
284
Ravi Sarawadib8224f42022-04-10 23:31:24 -0700285config CONSOLE_UART_BASE_ADDRESS
286 hex
Ravi Sarawadi91ffac82022-05-07 16:37:09 -0700287 default 0xfe02c000
Ravi Sarawadib8224f42022-04-10 23:31:24 -0700288 depends on INTEL_LPSS_UART_FOR_CONSOLE
289
Ravi Sarawadi91ffac82022-05-07 16:37:09 -0700290config VBT_DATA_SIZE_KB
291 int
292 default 9
293
Ravi Sarawadib8224f42022-04-10 23:31:24 -0700294# Clock divider parameters for 115200 baud rate
Angel Pons054ff5e2022-06-26 10:19:53 +0200295# Baudrate = (UART source clock * M) /(N *16)
Wonkyu Kim60d9b892022-10-10 23:01:38 -0700296# MTL UART source clock: 100MHz
Ravi Sarawadib8224f42022-04-10 23:31:24 -0700297config SOC_INTEL_COMMON_LPSS_UART_CLK_M_VAL
298 hex
299 default 0x25a
300
301config SOC_INTEL_COMMON_LPSS_UART_CLK_N_VAL
302 hex
303 default 0x7fff
304
Ravi Sarawadi8069b5d2022-04-10 23:36:52 -0700305config VBOOT
Ravi Sarawadi91ffac82022-05-07 16:37:09 -0700306 select VBOOT_SEPARATE_VERSTAGE
Ravi Sarawadi8069b5d2022-04-10 23:36:52 -0700307 select VBOOT_MUST_REQUEST_DISPLAY
308 select VBOOT_STARTS_IN_BOOTBLOCK
309 select VBOOT_VBNV_CMOS
310 select VBOOT_VBNV_CMOS_BACKUP_TO_FLASH
311 select VBOOT_X86_SHA256_ACCELERATION
312
Subrata Banikfebd3d72022-05-30 13:59:25 +0530313# Default hash block size is 1KiB. Increasing it to 4KiB to improve
314# hashing time as well as read time.
315config VBOOT_HASH_BLOCK_SIZE
316 hex
317 default 0x1000
318
Ravi Sarawadib8224f42022-04-10 23:31:24 -0700319config CBFS_SIZE
320 hex
321 default 0x200000
322
323config PRERAM_CBMEM_CONSOLE_SIZE
324 hex
Subrata Banikdeebd942023-05-08 10:29:42 +0000325 default 0x16000 if BUILDING_WITH_DEBUG_FSP
Subrata Banik7d1995c2022-05-30 13:56:13 +0530326 default 0x2000
Ravi Sarawadib8224f42022-04-10 23:31:24 -0700327
Kapil Porwal1eb44252023-01-18 01:10:04 +0530328config CONSOLE_CBMEM_BUFFER_SIZE
329 hex
Subrata Banikdeebd942023-05-08 10:29:42 +0000330 default 0x100000 if BUILDING_WITH_DEBUG_FSP
Kapil Porwal1eb44252023-01-18 01:10:04 +0530331 default 0x40000
332
Ravi Sarawadi8069b5d2022-04-10 23:36:52 -0700333config FSP_HEADER_PATH
334 string "Location of FSP headers"
335 default "src/vendorcode/intel/fsp/fsp2_0/meteorlake/"
336
337config FSP_FD_PATH
338 string
339 depends on FSP_USE_REPO
340 default "3rdparty/fsp/MeteorLakeFspBinPkg/Fsp.fd"
341
342config SOC_INTEL_METEORLAKE_DEBUG_CONSENT
343 int "Debug Consent for MTL"
344 # USB DBC is more common for developers so make this default to 3 if
345 # SOC_INTEL_DEBUG_CONSENT=y
Subrata Banik653e1572022-07-20 12:26:24 +0000346 default 3 if SOC_INTEL_DEBUG_CONSENT
Ravi Sarawadi8069b5d2022-04-10 23:36:52 -0700347 default 0
348 help
349 This is to control debug interface on SOC.
350 Setting non-zero value will allow to use DBC or DCI to debug SOC.
351 PlatformDebugConsent in FspmUpd.h has the details.
352
353 Desired platform debug type are
354 0:Disabled, 1:Enabled (DCI OOB+[DbC]), 2:Enabled (DCI OOB),
355 3:Enabled (USB3 DbC), 4:Enabled (XDP/MIPI60), 5:Enabled (USB2 DbC),
356 6:Enable (2-wire DCI OOB), 7:Manual
357
358config DATA_BUS_WIDTH
359 int
360 default 128
361
362config DIMMS_PER_CHANNEL
363 int
364 default 2
365
366config MRC_CHANNEL_WIDTH
367 int
368 default 16
369
Ravi Sarawadi91ffac82022-05-07 16:37:09 -0700370config SOC_INTEL_GFX_FRAMEBUFFER_OFFSET
371 hex
372 default 0x800000
373
Kapil Porwale988cc22023-01-16 16:41:49 +0000374config FSP_PUBLISH_MBP_HOB
375 bool
376 default n if CHROMEOS
377 default y
378 help
379 This is to control creation of ME_BIOS_PAYLOAD_HOB (MBP HOB) by FSP.
380 Disabling it for the platforms, which do not use MBP HOB, can improve the boot time.
381
Subrata Banik6ee454a2023-03-30 21:01:44 +0530382config BUILDING_WITH_DEBUG_FSP
383 bool "Debug FSP is used for the build"
384 default n
385 help
386 Set this option if debug build of FSP is used.
387
Subrata Banikfa85b0f2023-04-02 15:31:06 +0530388config DROP_CPU_FEATURE_PROGRAM_IN_FSP
389 bool
Subrata Banik03ff5db2023-04-02 15:44:13 +0530390 default y if MP_SERVICES_PPI_V2_NOOP || CHROMEOS
Subrata Banikfa85b0f2023-04-02 15:31:06 +0530391 default n
392 help
393 This is to avoid FSP running basic CPU feature programming on BSP
394 and on APs using the "CpuFeaturesPei.efi" module. The feature programming
395 includes enabling x2APIC, MCA, MCE and Turbo etc.
396
397 Most of these feature programming are getting performed today in scope
398 of coreboot doing MP Init. Running these redundant programming in scope
399 of FSP (when `USE_FSP_FEATURE_PROGRAM_ON_APS` config is enabled) would
400 results in CPU exception.
401
402 SoC users to select this config after dropping "CpuFeaturesPei.ffs" module
403 from FSP-S Firmware Volume (FV). Upon selection, coreboot runs those additional
404 feature programming on BSP and APs.
405
406 This feature is default enabled, in case of "coreboot running MP init"
407 aka MP_SERVICES_PPI_V2_NOOP config is selected.
408
Ravi Sarawadi31e0aeb2022-10-12 00:05:41 -0700409config PCIE_LTR_MAX_SNOOP_LATENCY
410 hex
411 default 0x100f
412 help
413 Latency tolerance reporting, max snoop latency value defaults to 15.73 ms.
414
415config PCIE_LTR_MAX_NO_SNOOP_LATENCY
416 hex
417 default 0x100f
418 help
419 Latency tolerance reporting, max non-snoop latency value defaults to 15.73 ms.
420
Ravi Sarawadib8224f42022-04-10 23:31:24 -0700421endif