diff options
| -rw-r--r-- | src/cpu/Makefile.inc | 5 | ||||
| -rw-r--r-- | src/drivers/intel/fsp2_0/Kconfig | 15 | ||||
| -rw-r--r-- | src/soc/intel/apollolake/fspcar.c | 11 | ||||
| -rw-r--r-- | src/soc/intel/cannonlake/bootblock/bootblock.c | 17 | ||||
| -rw-r--r-- | src/soc/intel/denverton_ns/Kconfig | 8 | ||||
| -rw-r--r-- | src/soc/intel/denverton_ns/bootblock/bootblock.c | 17 | ||||
| -rw-r--r-- | src/soc/intel/skylake/fspcar.c | 17 |
7 files changed, 50 insertions, 40 deletions
diff --git a/src/cpu/Makefile.inc b/src/cpu/Makefile.inc index b80c30d72b..4b5d67b908 100644 --- a/src/cpu/Makefile.inc +++ b/src/cpu/Makefile.inc @@ -59,9 +59,4 @@ $(obj)/cpu_microcode_blob.bin: $$(wildcard $$(cpu_microcode_bins)) cpu_microcode_blob.bin-file ?= $(obj)/cpu_microcode_blob.bin cpu_microcode_blob.bin-type := microcode - -ifneq ($(CONFIG_CPU_MICROCODE_CBFS_LOC),) -cpu_microcode_blob.bin-COREBOOT-position := $(CONFIG_CPU_MICROCODE_CBFS_LOC) -else cpu_microcode_blob.bin-align := 16 -endif diff --git a/src/drivers/intel/fsp2_0/Kconfig b/src/drivers/intel/fsp2_0/Kconfig index 1fd4b0cae1..77382d3674 100644 --- a/src/drivers/intel/fsp2_0/Kconfig +++ b/src/drivers/intel/fsp2_0/Kconfig @@ -37,21 +37,6 @@ config ADD_FSP_BINARIES Add the FSP-M and FSP-S binaries to CBFS. Currently coreboot does not use the FSP-T binary and it is not added. -config CPU_MICROCODE_CBFS_LEN - hex "Microcode update region length in bytes" - depends on FSP_CAR - default 0x0 - help - The length in bytes of the microcode update region. - -config CPU_MICROCODE_CBFS_LOC - hex "Microcode update base address in CBFS" - depends on FSP_CAR - default 0x0 - help - The location (base address) in CBFS that contains the - microcode update binary. - config FSP_T_CBFS string "Name of FSP-T in CBFS" depends on FSP_CAR diff --git a/src/soc/intel/apollolake/fspcar.c b/src/soc/intel/apollolake/fspcar.c index 8b1089f397..a284116bac 100644 --- a/src/soc/intel/apollolake/fspcar.c +++ b/src/soc/intel/apollolake/fspcar.c @@ -25,6 +25,17 @@ const FSPT_UPD temp_ram_init_params = { .FsptCommonUpd = { .Revision = 0, .Reserved = {0}, + /* + * It is a requirement for firmware to have Firmware Interface Table + * (FIT), which contains pointers to each microcode update. + * The microcode update is loaded for all logical processors before + * cpu reset vector. + * + * All SoC since Gen-4 has above mechanism in place to load microcode + * even before hitting CPU reset vector. Hence skipping FSP-T loading + * microcode after CPU reset by passing '0' value to + * FSPT_UPD.MicrocodeRegionBase and FSPT_UPD.MicrocodeRegionLength. + */ .MicrocodeRegionBase = 0, .MicrocodeRegionLength = 0, .CodeRegionBase = diff --git a/src/soc/intel/cannonlake/bootblock/bootblock.c b/src/soc/intel/cannonlake/bootblock/bootblock.c index 653ba30563..9f8539766c 100644 --- a/src/soc/intel/cannonlake/bootblock/bootblock.c +++ b/src/soc/intel/cannonlake/bootblock/bootblock.c @@ -30,10 +30,19 @@ const FSPT_UPD temp_ram_init_params = { .Reserved = {0}, }, .FsptCoreUpd = { - .MicrocodeRegionBase = - (uint32_t)CONFIG_CPU_MICROCODE_CBFS_LOC, - .MicrocodeRegionSize = - (uint32_t)CONFIG_CPU_MICROCODE_CBFS_LEN, + /* + * It is a requirement for firmware to have Firmware Interface Table + * (FIT), which contains pointers to each microcode update. + * The microcode update is loaded for all logical processors before + * cpu reset vector. + * + * All SoC since Gen-4 has above mechanism in place to load microcode + * even before hitting CPU reset vector. Hence skipping FSP-T loading + * microcode after CPU reset by passing '0' value to + * FSPT_UPD.MicrocodeRegionBase and FSPT_UPD.MicrocodeRegionLength. + */ + .MicrocodeRegionBase = 0, + .MicrocodeRegionLength = 0, .CodeRegionBase = (uint32_t)(0x100000000ULL - CONFIG_ROM_SIZE), .CodeRegionSize = (uint32_t)CONFIG_ROM_SIZE, diff --git a/src/soc/intel/denverton_ns/Kconfig b/src/soc/intel/denverton_ns/Kconfig index 0ce0d5bdd1..713aae60df 100644 --- a/src/soc/intel/denverton_ns/Kconfig +++ b/src/soc/intel/denverton_ns/Kconfig @@ -108,14 +108,6 @@ config DCACHE_BSP_STACK_SIZE hex default 0x10000 -config CPU_MICROCODE_CBFS_LOC - hex - default 0xfff20040 - -config CPU_MICROCODE_CBFS_LEN - hex - default 0x0ff80 - config CPU_BCLK_MHZ int default 100 diff --git a/src/soc/intel/denverton_ns/bootblock/bootblock.c b/src/soc/intel/denverton_ns/bootblock/bootblock.c index f75de1f2d0..47c76b5acd 100644 --- a/src/soc/intel/denverton_ns/bootblock/bootblock.c +++ b/src/soc/intel/denverton_ns/bootblock/bootblock.c @@ -31,10 +31,19 @@ const FSPT_UPD temp_ram_init_params = { .Reserved = {0}, }, .FsptCoreUpd = { - .MicrocodeRegionBase = - (UINT32)CONFIG_CPU_MICROCODE_CBFS_LOC, - .MicrocodeRegionLength = - (UINT32)CONFIG_CPU_MICROCODE_CBFS_LEN, + /* + * It is a requirement for firmware to have Firmware Interface Table + * (FIT), which contains pointers to each microcode update. + * The microcode update is loaded for all logical processors before + * cpu reset vector. + * + * All SoC since Gen-4 has above mechanism in place to load microcode + * even before hitting CPU reset vector. Hence skipping FSP-T loading + * microcode after CPU reset by passing '0' value to + * FSPT_UPD.MicrocodeRegionBase and FSPT_UPD.MicrocodeRegionLength. + */ + .MicrocodeRegionBase = 0, + .MicrocodeRegionLength = 0, .CodeRegionBase = (UINT32)(0x100000000ULL - CONFIG_ROM_SIZE), .CodeRegionLength = (UINT32)CONFIG_ROM_SIZE, diff --git a/src/soc/intel/skylake/fspcar.c b/src/soc/intel/skylake/fspcar.c index a4c3726492..0d27f57698 100644 --- a/src/soc/intel/skylake/fspcar.c +++ b/src/soc/intel/skylake/fspcar.c @@ -23,10 +23,19 @@ const FSPT_UPD temp_ram_init_params = { .Reserved = {0}, }, .FsptCoreUpd = { - .MicrocodeRegionBase = - (uint32_t)CONFIG_CPU_MICROCODE_CBFS_LOC, - .MicrocodeRegionSize = - (uint32_t)CONFIG_CPU_MICROCODE_CBFS_LEN, + /* + * It is a requirement for firmware to have Firmware Interface Table + * (FIT), which contains pointers to each microcode update. + * The microcode update is loaded for all logical processors before + * cpu reset vector. + * + * All SoC since Gen-4 has above mechanism in place to load microcode + * even before hitting CPU reset vector. Hence skipping FSP-T loading + * microcode after CPU reset by passing '0' value to + * FSPT_UPD.MicrocodeRegionBase and FSPT_UPD.MicrocodeRegionLength. + */ + .MicrocodeRegionBase = 0, + .MicrocodeRegionLength = 0, .CodeRegionBase = (uint32_t)(0x100000000ULL - CONFIG_ROM_SIZE), .CodeRegionSize = (uint32_t)CONFIG_ROM_SIZE, |