update to coreboot master on macbook21, and add vitali64's cstate 3 patch

improved battery life on macbook21

6 files changed, 195 insertions, 407 deletions

diff --git a/resources/coreboot/macbook21/blobs.list b/resources/coreboot/macbook21/blobs.list
new file mode 100644
index 00000000..05d3ee48
--- /dev/null
+++ b/resources/coreboot/macbook21/blobs.list
@@ -0,0 +1,22 @@
+src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x14/F14MicrocodePatch05000119.c
+3rdparty/arm-trusted-firmware/plat/mediatek/mt8173/drivers/spm/spm_hotplug.c
+3rdparty/arm-trusted-firmware/plat/mediatek/mt8173/drivers/spm/spm_mcdi.c
+3rdparty/arm-trusted-firmware/plat/mediatek/mt8173/drivers/spm/spm_suspend.c
+3rdparty/arm-trusted-firmware/plat/rockchip/rk3368/drivers/ddr/rk3368_ddr_reg_resume_V1.05.bin
+3rdparty/chromeec/test/legacy_nvmem_dump.h
+3rdparty/vboot/tests/futility/data/bios_link_mp.bin
+3rdparty/vboot/tests/futility/data/bios_peppy_mp.bin
+src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x14/F14MicrocodePatch0500000B.c
+src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x14/F14MicrocodePatch0500001A.c
+src/vendorcode/amd/agesa/f14/Proc/CPU/Family/0x14/F14MicrocodePatch05000029.c
+src/vendorcode/amd/agesa/f14/Proc/GNB/Nb/Family/0x14/F14NbSmuFirmware.h
+src/vendorcode/amd/agesa/f14/Proc/GNB/PCIe/Family/0x14/F14PcieAlibSsdt.h
+src/vendorcode/amd/agesa/f15tn/Proc/CPU/Family/0x15/TN/F15TnMicrocodePatch0600111F_Enc.c
+src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbInitTN/GnbSmuFirmwareTN.h
+src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbInitTN/PcieAlibSsdtTNFM2.h
+src/vendorcode/amd/agesa/f15tn/Proc/GNB/Modules/GnbInitTN/PcieAlibSsdtTNFS1.h
+src/vendorcode/amd/agesa/f16kb/Proc/CPU/Family/0x16/KB/F16KbId7001MicrocodePatch.c
+src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbInitKB/AlibSsdtKB.h
+src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbInitKB/GnbSamuPatchKB.h
+src/vendorcode/amd/agesa/f16kb/Proc/GNB/Modules/GnbInitKB/GnbSmuFirmwareKB.h
+3rdparty/chromeec/third_party/bmi260/accelgyro_bmi260_config_tbin.h
diff --git a/resources/coreboot/macbook21/board.cfg b/resources/coreboot/macbook21/board.cfg
index 19432151..b9de1e08 100644
--- a/resources/coreboot/macbook21/board.cfg
+++ b/resources/coreboot/macbook21/board.cfg
@@ -1,5 +1,6 @@
-cbtree="default"
+cbtree="macbook21"
 romtype="i945 laptop"
+cbrevision="acbbbede42dd00f93d8b39603dc7c052b389c43f"
 arch="x86_64"
 payload_grub="y"
 payload_grub_withseabios="y"
diff --git a/resources/coreboot/macbook21/config/libgfxinit_corebootfb b/resources/coreboot/macbook21/config/libgfxinit_corebootfb
index 70c02ddd..a7e8d67a 100644
--- a/resources/coreboot/macbook21/config/libgfxinit_corebootfb
+++ b/resources/coreboot/macbook21/config/libgfxinit_corebootfb
@@ -15,6 +15,7 @@ CONFIG_COMPILER_GCC=y
 # CONFIG_CCACHE is not set
 # CONFIG_FMD_GENPARSER is not set
 # CONFIG_UTIL_GENPARSER is not set
+# CONFIG_OPTION_BACKEND_NONE is not set
 CONFIG_USE_OPTION_TABLE=y
 CONFIG_STATIC_OPTION_TABLE=y
 CONFIG_COMPRESS_RAMSTAGE=y
@@ -26,16 +27,14 @@ CONFIG_USE_BLOBS=y
 # CONFIG_USE_QC_BLOBS is not set
 # CONFIG_COVERAGE is not set
 # CONFIG_UBSAN is not set
-# CONFIG_HAVE_ASAN_IN_ROMSTAGE is not set
-# CONFIG_ASAN_IN_ROMSTAGE is not set
 CONFIG_HAVE_ASAN_IN_RAMSTAGE=y
-# CONFIG_ASAN_IN_RAMSTAGE is not set
 # CONFIG_ASAN is not set
 # CONFIG_NO_STAGE_CACHE is not set
 CONFIG_TSEG_STAGE_CACHE=y
 # CONFIG_UPDATE_IMAGE is not set
 # CONFIG_BOOTSPLASH_IMAGE is not set
 # CONFIG_FW_CONFIG is not set
+# end of General setup
 
 #
 # Mainboard
@@ -121,6 +120,8 @@ CONFIG_MAINBOARD_SMBIOS_MANUFACTURER="Apple Inc."
 CONFIG_PRERAM_CBMEM_CONSOLE_SIZE=0xc00
 CONFIG_POST_IO=y
 CONFIG_OVERRIDE_DEVICETREE=""
+CONFIG_CMOS_DEFAULT_FILE="src/mainboard/$(MAINBOARDDIR)/cmos.default"
+CONFIG_CMOS_LAYOUT_FILE="src/mainboard/$(MAINBOARDDIR)/cmos.layout"
 CONFIG_BOOT_DEVICE_SPI_FLASH_BUS=0
 CONFIG_UART_FOR_CONSOLE=0
 # CONFIG_CONSOLE_POST is not set
@@ -138,8 +139,6 @@ CONFIG_SPI_FLASH_WINBOND=y
 CONFIG_DRIVERS_INTEL_WIFI=y
 CONFIG_CONSOLE_CBMEM_BUFFER_SIZE=0x20000
 CONFIG_CONSOLE_SERIAL=y
-# CONFIG_PCIEXP_HOTPLUG is not set
-CONFIG_CBFS_MCACHE_SIZE=0x2000
 CONFIG_MAINBOARD_SMBIOS_PRODUCT_NAME="MacBook2,1"
 CONFIG_PS2K_EISAID="PNP0303"
 CONFIG_PS2M_EISAID="PNP0F13"
@@ -170,11 +169,9 @@ CONFIG_POWER_STATE_OFF_AFTER_FAILURE=y
 # CONFIG_POWER_STATE_ON_AFTER_FAILURE is not set
 # CONFIG_POWER_STATE_PREVIOUS_AFTER_FAILURE is not set
 CONFIG_MAINBOARD_POWER_FAILURE_STATE=0
+# end of Mainboard
+
 CONFIG_SYSTEM_TYPE_LAPTOP=y
-# CONFIG_SYSTEM_TYPE_TABLET is not set
-# CONFIG_SYSTEM_TYPE_DETACHABLE is not set
-# CONFIG_SYSTEM_TYPE_CONVERTIBLE is not set
-# CONFIG_CBFS_AUTOGEN_ATTRIBUTES is not set
 
 #
 # Chipset
@@ -183,31 +180,28 @@ CONFIG_SYSTEM_TYPE_LAPTOP=y
 #
 # SoC
 #
+CONFIG_ARCH_ALL_STAGES_X86=y
 CONFIG_CHIPSET_DEVICETREE=""
+CONFIG_CBFS_MCACHE_SIZE=0x4000
 CONFIG_ROMSTAGE_ADDR=0x2000000
 CONFIG_VERSTAGE_ADDR=0x2000000
 CONFIG_RAMBASE=0xe00000
 CONFIG_CPU_ADDR_BITS=36
 CONFIG_SMM_RESERVED_SIZE=0x100000
 CONFIG_SMM_MODULE_STACK_SIZE=0x400
-# CONFIG_CHECK_REV_IN_OPROM_NAME is not set
 CONFIG_ACPI_CPU_STRING="\\_SB.CP%02d"
 CONFIG_EHCI_BAR=0xfef00000
-# CONFIG_SOC_CAVIUM_CN81XX is not set
 CONFIG_STACK_SIZE=0x1000
-# CONFIG_SOC_CAVIUM_COMMON is not set
 CONFIG_VBT_DATA_SIZE_KB=8
-# CONFIG_SOC_INTEL_GEMINILAKE is not set
-CONFIG_X86_TOP4G_BOOTMEDIA_MAP=y
 CONFIG_INTEL_GMA_BCLV_OFFSET=0xc8254
 CONFIG_INTEL_GMA_BCLV_WIDTH=16
 CONFIG_INTEL_GMA_BCLM_OFFSET=0xc8256
 CONFIG_INTEL_GMA_BCLM_WIDTH=16
-# CONFIG_PCIEXP_ASPM is not set
-# CONFIG_PCIEXP_COMMON_CLOCK is not set
 CONFIG_FIXED_MCHBAR_MMIO_BASE=0xfed14000
 CONFIG_FIXED_DMIBAR_MMIO_BASE=0xfed18000
 CONFIG_FIXED_EPBAR_MMIO_BASE=0xfed19000
+# CONFIG_PCIEXP_ASPM is not set
+# CONFIG_PCIEXP_COMMON_CLOCK is not set
 CONFIG_TTYS0_BASE=0x3f8
 CONFIG_TTYS0_LCS=3
 CONFIG_UART_PCI_ADDR=0x0
@@ -215,36 +209,15 @@ CONFIG_AZALIA_MAX_CODECS=3
 CONFIG_INTEL_HAS_TOP_SWAP=y
 # CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK is not set
 CONFIG_INTEL_TOP_SWAP_BOOTBLOCK_SIZE=0x10000
-# CONFIG_SOC_MEDIATEK_MT8173 is not set
-# CONFIG_SOC_MEDIATEK_MT8183 is not set
-# CONFIG_SOC_MEDIATEK_MT8192 is not set
-# CONFIG_SOC_MEDIATEK_MT8195 is not set
-# CONFIG_SOC_NVIDIA_TEGRA124 is not set
-# CONFIG_SOC_NVIDIA_TEGRA210 is not set
-# CONFIG_SOC_QUALCOMM_COMMON is not set
-# CONFIG_SOC_QC_IPQ40XX is not set
-# CONFIG_SOC_QC_IPQ806X is not set
-# CONFIG_SOC_QUALCOMM_QCS405 is not set
-# CONFIG_SOC_ROCKCHIP_RK3288 is not set
-# CONFIG_SOC_ROCKCHIP_RK3399 is not set
-# CONFIG_CPU_SAMSUNG_EXYNOS5250 is not set
-# CONFIG_CPU_SAMSUNG_EXYNOS5420 is not set
-# CONFIG_SOC_TI_AM335X is not set
-# CONFIG_SOC_UCB_RISCV is not set
 
 #
 # CPU
 #
-# CONFIG_CPU_AMD_AGESA is not set
-# CONFIG_CPU_AMD_PI is not set
-# CONFIG_CPU_ARMLTD_CORTEX_A9 is not set
 CONFIG_CPU_INTEL_MODEL_6EX=y
 CONFIG_CPU_INTEL_MODEL_6FX=y
 CONFIG_SOCKET_SPECIFIC_OPTIONS=y
 CONFIG_CPU_INTEL_SOCKET_M=y
 CONFIG_SSE2=y
-# CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE is not set
-# CONFIG_CPU_INTEL_TURBO_NOT_PACKAGE_SCOPED is not set
 CONFIG_CPU_INTEL_COMMON=y
 CONFIG_ENABLE_VMX=y
 CONFIG_SET_IA32_FC_LOCK_BIT=y
@@ -252,33 +225,25 @@ CONFIG_SET_MSR_AESNI_LOCK_BIT=y
 CONFIG_CPU_INTEL_COMMON_TIMEBASE=y
 CONFIG_CPU_INTEL_COMMON_SMM=y
 CONFIG_MICROCODE_UPDATE_PRE_RAM=y
-# CONFIG_PARALLEL_CPU_INIT is not set
 CONFIG_PARALLEL_MP=y
-# CONFIG_PARALLEL_MP_AP_WORK is not set
-# CONFIG_UDELAY_LAPIC is not set
+CONFIG_XAPIC_ONLY=y
+# CONFIG_X2APIC_ONLY is not set
+# CONFIG_X2APIC_RUNTIME is not set
 CONFIG_UDELAY_TSC=y
 CONFIG_TSC_MONOTONIC_TIMER=y
-# CONFIG_TSC_SYNC_LFENCE is not set
 CONFIG_TSC_SYNC_MFENCE=y
 CONFIG_SETUP_XIP_CACHE=y
 CONFIG_LOGICAL_CPUS=y
 CONFIG_HAVE_SMI_HANDLER=y
-# CONFIG_NO_SMM is not set
-# CONFIG_SMM_ASEG is not set
 CONFIG_SMM_TSEG=y
 CONFIG_SMM_MODULE_HEAP_SIZE=0x4000
 CONFIG_SMM_STUB_STACK_SIZE=0x400
 CONFIG_SMM_LAPIC_REMAP_MITIGATION=y
-# CONFIG_SERIALIZED_SMM_INITIALIZATION is not set
-# CONFIG_X86_AMD_FIXED_MTRRS is not set
-# CONFIG_X86_AMD_INIT_SIPI is not set
-# CONFIG_SOC_SETS_MSRS is not set
-# CONFIG_RESERVE_MTRRS_FOR_OS is not set
+CONFIG_CPU_INFO_V2=y
 CONFIG_SMP=y
 CONFIG_MMX=y
 CONFIG_SSE=y
 CONFIG_SUPPORT_CPU_UCODE_IN_CBFS=y
-# CONFIG_USES_MICROCODE_HEADER_FILES is not set
 # CONFIG_CPU_MICROCODE_CBFS_DEFAULT_BINS is not set
 # CONFIG_CPU_MICROCODE_CBFS_EXTERNAL_BINS is not set
 # CONFIG_CPU_MICROCODE_CBFS_EXTERNAL_HEADER is not set
@@ -287,42 +252,32 @@ CONFIG_CPU_MICROCODE_CBFS_NONE=y
 #
 # Northbridge
 #
-# CONFIG_NORTHBRIDGE_AMD_AGESA is not set
-# CONFIG_NORTHBRIDGE_AMD_PI is not set
 CONFIG_NORTHBRIDGE_SPECIFIC_OPTIONS=y
 CONFIG_NORTHBRIDGE_INTEL_I945=y
-# CONFIG_NORTHBRIDGE_INTEL_SUBTYPE_I945GC is not set
 CONFIG_NORTHBRIDGE_INTEL_SUBTYPE_I945GM=y
 CONFIG_I945_LVDS=y
-# CONFIG_OVERRIDE_CLOCK_DISABLE is not set
-# CONFIG_CHECK_SLFRCS_ON_RESUME is not set
 
 #
 # Southbridge
 #
-# CONFIG_AMD_SB_CIMX is not set
-# CONFIG_SOUTHBRIDGE_AMD_CIMX_SB800 is not set
 CONFIG_HPET_MIN_TICKS=0x80
+# CONFIG_PCIEXP_HOTPLUG is not set
 CONFIG_SOUTHBRIDGE_INTEL_I82801GX=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_RESET=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_RTC=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_PMCLIB=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_PMBASE=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_GPIO=y
-# CONFIG_SOUTHBRIDGE_INTEL_COMMON_ME is not set
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_HPET=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_EARLY_SMBUS=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_SMBUS=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_SPI=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_SPI_ICH7=y
-# CONFIG_SOUTHBRIDGE_INTEL_COMMON_SPI_ICH9 is not set
-# CONFIG_SOUTHBRIDGE_INTEL_COMMON_SPI_SILVERMONT is not set
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_PIRQ_ACPI_GEN=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_RCBA_PIRQ=y
 CONFIG_HAVE_INTEL_CHIPSET_LOCKDOWN=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_SMM=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_USB_DEBUG=y
-# CONFIG_INTEL_DESCRIPTOR_MODE_CAPABLE is not set
 CONFIG_INTEL_CHIPSET_LOCKDOWN=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_WATCHDOG=y
 CONFIG_FIXED_RCBA_MMIO_BASE=0xfed1c000
@@ -332,27 +287,11 @@ CONFIG_FIXED_SMBUS_IO_BASE=0x400
 #
 # Super I/O
 #
-# CONFIG_SUPERIO_ASPEED_AST2400 is not set
-# CONFIG_SUPERIO_ASPEED_COMMON_PRE_RAM is not set
-# CONFIG_SUPERIO_ASPEED_HAS_UART_DELAY_WORKAROUND is not set
-# CONFIG_SUPERIO_FINTEK_FAN_CONTROL is not set
 
 #
 # Embedded Controllers
 #
 CONFIG_EC_ACPI=y
-# CONFIG_EC_51NB_NPCE985LA0DX is not set
-# CONFIG_EC_GOOGLE_CHROMEEC_SKUID is not set
-# CONFIG_EC_GOOGLE_WILCO is not set
-# CONFIG_CAVIUM_BDK is not set
-# CONFIG_MAINBOARD_HAS_CHROMEOS is not set
-# CONFIG_GOOGLE_SMBIOS_MAINBOARD_VERSION is not set
-# CONFIG_UEFI_2_4_BINDING is not set
-# CONFIG_UDK_2015_BINDING is not set
-# CONFIG_UDK_2017_BINDING is not set
-# CONFIG_UDK_202005_BINDING is not set
-# CONFIG_USE_SIEMENS_HWILIB is not set
-# CONFIG_ARM_LPAE is not set
 CONFIG_ARCH_X86=y
 CONFIG_ARCH_BOOTBLOCK_X86_32=y
 CONFIG_ARCH_VERSTAGE_X86_32=y
@@ -360,31 +299,19 @@ CONFIG_ARCH_ROMSTAGE_X86_32=y
 CONFIG_ARCH_POSTCAR_X86_32=y
 CONFIG_ARCH_RAMSTAGE_X86_32=y
 CONFIG_ARCH_ALL_STAGES_X86_32=y
-# CONFIG_ARCH_POSTCAR_X86_64 is not set
-# CONFIG_USE_MARCH_586 is not set
 CONFIG_AP_IN_SIPI_WAIT=y
-# CONFIG_SIPI_VECTOR_IN_ROM is not set
 CONFIG_RAMTOP=0x1000000
+CONFIG_X86_TOP4G_BOOTMEDIA_MAP=y
 CONFIG_NUM_IPI_STARTS=2
 CONFIG_PC80_SYSTEM=y
-# CONFIG_BOOTBLOCK_DEBUG_SPINLOOP is not set
 CONFIG_HAVE_CMOS_DEFAULT=y
-CONFIG_CMOS_DEFAULT_FILE="src/mainboard/$(MAINBOARDDIR)/cmos.default"
-CONFIG_IOAPIC_INTERRUPTS_ON_FSB=y
-# CONFIG_IOAPIC_INTERRUPTS_ON_APIC_SERIAL_BUS is not set
-# CONFIG_HPET_ADDRESS_OVERRIDE is not set
 CONFIG_HPET_ADDRESS=0xfed00000
 CONFIG_POSTCAR_STAGE=y
-# CONFIG_VERSTAGE_DEBUG_SPINLOOP is not set
-# CONFIG_ROMSTAGE_DEBUG_SPINLOOP is not set
 CONFIG_BOOTBLOCK_SIMPLE=y
 # CONFIG_BOOTBLOCK_NORMAL is not set
-# CONFIG_COLLECT_TIMESTAMPS_NO_TSC is not set
 CONFIG_COLLECT_TIMESTAMPS_TSC=y
-# CONFIG_PAGING_IN_CACHE_AS_RAM is not set
-# CONFIG_IDT_IN_EVERY_STAGE is not set
 CONFIG_HAVE_CF9_RESET=y
-# CONFIG_PIRQ_ROUTE is not set
+# end of Chipset
 
 #
 # Devices
@@ -392,13 +319,9 @@ CONFIG_HAVE_CF9_RESET=y
 CONFIG_HAVE_VGA_TEXT_FRAMEBUFFER=y
 CONFIG_HAVE_LINEAR_FRAMEBUFFER=y
 CONFIG_MAINBOARD_HAS_NATIVE_VGA_INIT=y
-# CONFIG_MAINBOARD_FORCE_NATIVE_VGA_INIT is not set
-# CONFIG_VGA_ROM_RUN_DEFAULT is not set
-# CONFIG_MAINBOARD_HAS_LIBGFXINIT is not set
 CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT=y
 # CONFIG_VGA_ROM_RUN is not set
 # CONFIG_NO_GFX_INIT is not set
-# CONFIG_MULTIPLE_VGA_ADAPTERS is not set
 
 #
 # Display
@@ -407,13 +330,13 @@ CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT=y
 CONFIG_GENERIC_LINEAR_FRAMEBUFFER=y
 CONFIG_LINEAR_FRAMEBUFFER=y
 # CONFIG_BOOTSPLASH is not set
+# end of Display
+
 CONFIG_PCI=y
-# CONFIG_NO_MMCONF_SUPPORT is not set
 CONFIG_MMCONF_SUPPORT=y
 CONFIG_PCIX_PLUGIN_SUPPORT=y
 CONFIG_CARDBUS_PLUGIN_SUPPORT=y
 CONFIG_AZALIA_PLUGIN_SUPPORT=y
-# CONFIG_AZALIA_LOCK_DOWN_R_WO_GCAP is not set
 CONFIG_PCIEXP_PLUGIN_SUPPORT=y
 CONFIG_MMCONF_LENGTH=0x04000000
 CONFIG_PCI_ALLOW_BUS_MASTER=y
@@ -424,32 +347,18 @@ CONFIG_SUBSYSTEM_VENDOR_ID=0x0000
 CONFIG_SUBSYSTEM_DEVICE_ID=0x0000
 # CONFIG_INTEL_GMA_ADD_VBT is not set
 # CONFIG_SOFTWARE_I2C is not set
-# CONFIG_RESOURCE_ALLOCATOR_V3 is not set
 CONFIG_RESOURCE_ALLOCATOR_V4=y
-# CONFIG_XHCI_UTILS is not set
+# end of Devices
 
 #
 # Generic Drivers
 #
-# CONFIG_DRIVERS_AS3722_RTC is not set
-# CONFIG_CHROMEOS_CAMERA is not set
 CONFIG_CRB_TPM_BASE_ADDRESS=0xfed40000
-# CONFIG_MAINBOARD_HAS_CRB_TPM is not set
 # CONFIG_ELOG is not set
-# CONFIG_GIC is not set
-# CONFIG_IPMI_KCS is not set
-# CONFIG_DRIVERS_LENOVO_WACOM is not set
-# CONFIG_RT8168_GET_MAC_FROM_VPD is not set
-# CONFIG_RT8168_SUPPORT_LEGACY_VPD_MAC is not set
-# CONFIG_RT8168_SET_LED_MODE is not set
 # CONFIG_SMMSTORE is not set
-# CONFIG_SMMSTORE_IN_CBFS is not set
 CONFIG_SPI_FLASH=y
-# CONFIG_SPI_SDCARD is not set
 CONFIG_BOOT_DEVICE_SPI_FLASH_RW_NOMMAP=y
-# CONFIG_BOOT_DEVICE_SPI_FLASH_NO_EARLY_WRITES is not set
 CONFIG_BOOT_DEVICE_SPI_FLASH_RW_NOMMAP_EARLY=y
-# CONFIG_SPI_FLASH_DONT_INCLUDE_ALL_DRIVERS is not set
 # CONFIG_SPI_FLASH_NO_FAST_READ is not set
 CONFIG_SPI_FLASH_ADESTO=y
 CONFIG_SPI_FLASH_AMIC=y
@@ -460,85 +369,26 @@ CONFIG_SPI_FLASH_MACRONIX=y
 CONFIG_SPI_FLASH_SPANSION=y
 CONFIG_SPI_FLASH_SST=y
 CONFIG_SPI_FLASH_STMICRO=y
-# CONFIG_SPI_FLASH_HAS_VOLATILE_GROUP is not set
-# CONFIG_HAVE_EM100PRO_SPI_CONSOLE_SUPPORT is not set
 CONFIG_DRIVERS_UART=y
-# CONFIG_DRIVERS_UART_8250IO_SKIP_INIT is not set
-# CONFIG_NO_UART_ON_SUPERIO is not set
-# CONFIG_UART_OVERRIDE_INPUT_CLOCK_DIVIDER is not set
-# CONFIG_UART_OVERRIDE_REFCLK is not set
-# CONFIG_DRIVERS_UART_8250MEM is not set
-# CONFIG_DRIVERS_UART_8250MEM_32 is not set
-# CONFIG_HAVE_UART_SPECIAL is not set
 # CONFIG_DRIVERS_UART_OXPCIE is not set
-# CONFIG_DRIVERS_UART_PL011 is not set
-# CONFIG_UART_USE_REFCLK_AS_INPUT_CLOCK is not set
 CONFIG_HAVE_USBDEBUG=y
-# CONFIG_HAVE_USBDEBUG_OPTIONS is not set
 # CONFIG_USBDEBUG is not set
 # CONFIG_VPD is not set
-# CONFIG_DRIVERS_AMD_PI is not set
 # CONFIG_DRIVERS_GENERIC_CBFS_SERIAL is not set
 # CONFIG_DRIVERS_GENESYSLOGIC_GL9755 is not set
-# CONFIG_DRIVERS_GFX_GENERIC is not set
-# CONFIG_DRIVERS_I2C_GPIO_MUX is not set
-# CONFIG_DRIVERS_I2C_MAX98373 is not set
-# CONFIG_DRIVERS_I2C_MAX98390 is not set
-# CONFIG_DRIVERS_I2C_MAX98927 is not set
-# CONFIG_DRIVERS_I2C_PCA9538 is not set
-# CONFIG_DRIVERS_I2C_PCF8523 is not set
-# CONFIG_DRIVERS_I2C_PTN3460 is not set
-# CONFIG_DRIVERS_I2C_RT1011 is not set
-# CONFIG_DRIVERS_I2C_RT5663 is not set
-# CONFIG_DRIVERS_I2C_RTD2132 is not set
-# CONFIG_DRIVERS_I2C_RX6110SA is not set
-# CONFIG_DRIVERS_I2C_SX9310 is not set
-# CONFIG_DRIVERS_I2C_SX9324 is not set
-# CONFIG_DRIVERS_I2C_TAS5825M is not set
-# CONFIG_MAINBOARD_HAS_I2C_TPM_ATMEL is not set
-# CONFIG_MAINBOARD_HAS_I2C_TPM_CR50 is not set
-# CONFIG_MAINBOARD_HAS_I2C_TPM_GENERIC is not set
-# CONFIG_DRIVER_I2C_TPM_ACPI is not set
-# CONFIG_DRIVERS_INTEL_DPTF is not set
-# CONFIG_PLATFORM_USES_FSP2_0 is not set
-# CONFIG_PLATFORM_USES_FSP2_1 is not set
-# CONFIG_PLATFORM_USES_FSP2_2 is not set
-# CONFIG_INTEL_DDI is not set
+CONFIG_DRIVERS_I2C_CK505=y
 CONFIG_INTEL_EDID=y
 CONFIG_INTEL_INT15=y
 CONFIG_INTEL_GMA_ACPI=y
 CONFIG_INTEL_GMA_SSC_ALTERNATE_REF=y
-# CONFIG_INTEL_GMA_SWSMISCI is not set
-# CONFIG_DRIVER_INTEL_I210 is not set
-# CONFIG_DRIVERS_INTEL_ISH is not set
-# CONFIG_DRIVERS_INTEL_MIPI_CAMERA is not set
-# CONFIG_DRIVERS_INTEL_PMC is not set
-# CONFIG_HAVE_INTEL_PTT is not set
-# CONFIG_IPMI_OCP is not set
-# CONFIG_DRIVERS_LENOVO_HYBRID_GRAPHICS is not set
-# CONFIG_DRIVER_MAXIM_MAX77686 is not set
-# CONFIG_DRIVER_PARADE_PS8625 is not set
-# CONFIG_DRIVER_PARADE_PS8640 is not set
+CONFIG_INTEL_GMA_OPREGION_2_0=y
 # CONFIG_DRIVERS_PS2_KEYBOARD is not set
 CONFIG_DRIVERS_MC146818=y
-# CONFIG_MAINBOARD_HAS_LPC_TPM is not set
+# CONFIG_USE_PC_CMOS_ALTCENTURY is not set
 CONFIG_VGA=y
-# CONFIG_DRIVERS_RICOH_RCE822 is not set
-# CONFIG_DRIVER_SIEMENS_NC_FPGA is not set
-# CONFIG_NC_FPGA_NOTIFY_CB_READY is not set
 # CONFIG_DRIVERS_SIL_3114 is not set
-# CONFIG_MAINBOARD_HAS_SPI_TPM_CR50 is not set
-# CONFIG_MAINBOARD_HAS_SPI_TPM is not set
-# CONFIG_DRIVERS_TI_SN65DSI86BRIDGE is not set
-# CONFIG_DRIVER_TI_TPS65090 is not set
-# CONFIG_DRIVERS_TI_TPS65913_RTC is not set
-# CONFIG_DRIVERS_USB_ACPI is not set
-# CONFIG_DRIVERS_USB_PCI_XHCI is not set
 CONFIG_DRIVERS_WIFI_GENERIC=y
-# CONFIG_USE_SAR is not set
-# CONFIG_MP_SERVICES_PPI_V1 is not set
-# CONFIG_MP_SERVICES_PPI_V2 is not set
-# CONFIG_COMMONLIB_STORAGE is not set
+# end of Generic Drivers
 
 #
 # Security
@@ -547,32 +397,35 @@ CONFIG_DRIVERS_WIFI_GENERIC=y
 #
 # Verified Boot (vboot)
 #
+# end of Verified Boot (vboot)
 
 #
 # Trusted Platform Module
 #
-CONFIG_USER_NO_TPM=y
+CONFIG_NO_TPM=y
+# end of Trusted Platform Module
 
 #
 # Memory initialization
 #
 CONFIG_PLATFORM_HAS_DRAM_CLEAR=y
 CONFIG_SECURITY_CLEAR_DRAM_ON_REGULAR_BOOT=y
+# end of Memory initialization
+
 # CONFIG_STM is not set
 CONFIG_BOOTMEDIA_LOCK_NONE=y
 # CONFIG_BOOTMEDIA_LOCK_CONTROLLER is not set
 # CONFIG_BOOTMEDIA_LOCK_CHIP is not set
-# CONFIG_ACPI_AMD_HARDWARE_SLEEP_VALUES is not set
+# CONFIG_BOOTMEDIA_SMM_BWP is not set
+# end of Security
+
 CONFIG_ACPI_HAVE_PCAT_8259=y
 CONFIG_ACPI_INTEL_HARDWARE_SLEEP_VALUES=y
 CONFIG_ACPI_SOC_NVS=y
-# CONFIG_ACPI_EINJ is not set
 CONFIG_HAVE_ACPI_TABLES=y
-# CONFIG_BOOT_DEVICE_NOT_SPI_FLASH is not set
 CONFIG_BOOT_DEVICE_SPI_FLASH=y
 CONFIG_BOOT_DEVICE_MEMORY_MAPPED=y
 CONFIG_BOOT_DEVICE_SUPPORTS_WRITES=y
-# CONFIG_RTC is not set
 
 #
 # Console
@@ -615,33 +468,25 @@ CONFIG_DEFAULT_CONSOLE_LOGLEVEL=0
 CONFIG_POST_DEVICE_NONE=y
 # CONFIG_POST_DEVICE_LPC is not set
 # CONFIG_POST_DEVICE_PCI_PCIE is not set
-# CONFIG_DEFAULT_POST_ON_LPC is not set
 CONFIG_POST_IO_PORT=0x80
-# CONFIG_NO_EARLY_BOOTBLOCK_POSTCODES is not set
-# CONFIG_HWBASE_DEBUG_CB is not set
 CONFIG_HWBASE_DEBUG_NULL=y
+# end of Console
+
 CONFIG_HAVE_ACPI_RESUME=y
-# CONFIG_DISABLE_ACPI_HIBERNATE is not set
 CONFIG_RESUME_PATH_SAME_AS_BOOT=y
-# CONFIG_NO_MONOTONIC_TIMER is not set
 CONFIG_HAVE_MONOTONIC_TIMER=y
-# CONFIG_TIMER_QUEUE is not set
 CONFIG_HAVE_OPTION_TABLE=y
-# CONFIG_PCI_IO_CFG_EXT is not set
 CONFIG_IOAPIC=y
 CONFIG_USE_WATCHDOG_ON_BOOT=y
-# CONFIG_GFXUMA is not set
 CONFIG_HAVE_MP_TABLE=y
-# CONFIG_ACPI_NHLT is not set
 
 #
 # System tables
 #
 CONFIG_GENERATE_MP_TABLE=y
-# CONFIG_GENERATE_PIRQ_TABLE is not set
 CONFIG_GENERATE_SMBIOS_TABLES=y
-# CONFIG_SMBIOS_PROVIDED_BY_MOBO is not set
 CONFIG_MAINBOARD_SERIAL_NUMBER="123456789"
+# end of System tables
 
 #
 # Payload
@@ -659,7 +504,6 @@ CONFIG_PAYLOAD_NONE=y
 # CONFIG_PAYLOAD_TIANOCORE is not set
 CONFIG_PAYLOAD_OPTIONS=""
 # CONFIG_PXE is not set
-# CONFIG_PAYLOAD_IS_FLAT_BINARY is not set
 CONFIG_COMPRESS_SECONDARY_PAYLOAD=y
 
 #
@@ -669,6 +513,8 @@ CONFIG_COMPRESS_SECONDARY_PAYLOAD=y
 # CONFIG_MEMTEST_SECONDARY_PAYLOAD is not set
 # CONFIG_NVRAMCUI_SECONDARY_PAYLOAD is not set
 # CONFIG_TINT_SECONDARY_PAYLOAD is not set
+# end of Secondary Payloads
+# end of Payload
 
 #
 # Debugging
@@ -677,6 +523,7 @@ CONFIG_COMPRESS_SECONDARY_PAYLOAD=y
 #
 # CPU Debug Settings
 #
+# CONFIG_DISPLAY_MTRRS is not set
 
 #
 # BLOB Debug Settings
@@ -693,25 +540,15 @@ CONFIG_HAVE_DEBUG_RAM_SETUP=y
 CONFIG_HAVE_DEBUG_SMBUS=y
 # CONFIG_DEBUG_SMBUS is not set
 # CONFIG_DEBUG_SMI is not set
-# CONFIG_DEBUG_MALLOC is not set
-# CONFIG_DEBUG_RESOURCES is not set
 # CONFIG_DEBUG_CONSOLE_INIT is not set
 # CONFIG_DEBUG_SPI_FLASH is not set
-# CONFIG_DEBUG_FUNC is not set
 # CONFIG_DEBUG_BOOT_STATE is not set
 # CONFIG_DEBUG_ADA_CODE is not set
 # CONFIG_HAVE_EM100_SUPPORT is not set
-# CONFIG_SPD_CACHE_IN_FMAP is not set
+# end of Debugging
+
 CONFIG_WARNINGS_ARE_ERRORS=y
-# CONFIG_POWER_BUTTON_DEFAULT_ENABLE is not set
-# CONFIG_POWER_BUTTON_DEFAULT_DISABLE is not set
-# CONFIG_POWER_BUTTON_FORCE_ENABLE is not set
-# CONFIG_POWER_BUTTON_FORCE_DISABLE is not set
-# CONFIG_POWER_BUTTON_IS_OPTIONAL is not set
-# CONFIG_REG_SCRIPT is not set
 CONFIG_MAX_REBOOT_CNT=3
-# CONFIG_NO_XIP_EARLY_STAGES is not set
-# CONFIG_EARLY_CBMEM_LIST is not set
 CONFIG_RELOCATABLE_MODULES=y
 CONFIG_HAVE_BOOTBLOCK=y
 CONFIG_HAVE_ROMSTAGE=y
diff --git a/resources/coreboot/macbook21/config/libgfxinit_txtmode b/resources/coreboot/macbook21/config/libgfxinit_txtmode
index abbcbb33..e166b65b 100644
--- a/resources/coreboot/macbook21/config/libgfxinit_txtmode
+++ b/resources/coreboot/macbook21/config/libgfxinit_txtmode
@@ -15,6 +15,7 @@ CONFIG_COMPILER_GCC=y
 # CONFIG_CCACHE is not set
 # CONFIG_FMD_GENPARSER is not set
 # CONFIG_UTIL_GENPARSER is not set
+# CONFIG_OPTION_BACKEND_NONE is not set
 CONFIG_USE_OPTION_TABLE=y
 CONFIG_STATIC_OPTION_TABLE=y
 CONFIG_COMPRESS_RAMSTAGE=y
@@ -26,16 +27,14 @@ CONFIG_USE_BLOBS=y
 # CONFIG_USE_QC_BLOBS is not set
 # CONFIG_COVERAGE is not set
 # CONFIG_UBSAN is not set
-# CONFIG_HAVE_ASAN_IN_ROMSTAGE is not set
-# CONFIG_ASAN_IN_ROMSTAGE is not set
 CONFIG_HAVE_ASAN_IN_RAMSTAGE=y
-# CONFIG_ASAN_IN_RAMSTAGE is not set
 # CONFIG_ASAN is not set
 # CONFIG_NO_STAGE_CACHE is not set
 CONFIG_TSEG_STAGE_CACHE=y
 # CONFIG_UPDATE_IMAGE is not set
 # CONFIG_BOOTSPLASH_IMAGE is not set
 # CONFIG_FW_CONFIG is not set
+# end of General setup
 
 #
 # Mainboard
@@ -121,6 +120,8 @@ CONFIG_MAINBOARD_SMBIOS_MANUFACTURER="Apple Inc."
 CONFIG_PRERAM_CBMEM_CONSOLE_SIZE=0xc00
 CONFIG_POST_IO=y
 CONFIG_OVERRIDE_DEVICETREE=""
+CONFIG_CMOS_DEFAULT_FILE="src/mainboard/$(MAINBOARDDIR)/cmos.default"
+CONFIG_CMOS_LAYOUT_FILE="src/mainboard/$(MAINBOARDDIR)/cmos.layout"
 CONFIG_BOOT_DEVICE_SPI_FLASH_BUS=0
 CONFIG_UART_FOR_CONSOLE=0
 # CONFIG_CONSOLE_POST is not set
@@ -138,8 +139,6 @@ CONFIG_SPI_FLASH_WINBOND=y
 CONFIG_DRIVERS_INTEL_WIFI=y
 CONFIG_CONSOLE_CBMEM_BUFFER_SIZE=0x20000
 CONFIG_CONSOLE_SERIAL=y
-# CONFIG_PCIEXP_HOTPLUG is not set
-CONFIG_CBFS_MCACHE_SIZE=0x2000
 CONFIG_MAINBOARD_SMBIOS_PRODUCT_NAME="MacBook2,1"
 CONFIG_PS2K_EISAID="PNP0303"
 CONFIG_PS2M_EISAID="PNP0F13"
@@ -170,11 +169,9 @@ CONFIG_POWER_STATE_OFF_AFTER_FAILURE=y
 # CONFIG_POWER_STATE_ON_AFTER_FAILURE is not set
 # CONFIG_POWER_STATE_PREVIOUS_AFTER_FAILURE is not set
 CONFIG_MAINBOARD_POWER_FAILURE_STATE=0
+# end of Mainboard
+
 CONFIG_SYSTEM_TYPE_LAPTOP=y
-# CONFIG_SYSTEM_TYPE_TABLET is not set
-# CONFIG_SYSTEM_TYPE_DETACHABLE is not set
-# CONFIG_SYSTEM_TYPE_CONVERTIBLE is not set
-# CONFIG_CBFS_AUTOGEN_ATTRIBUTES is not set
 
 #
 # Chipset
@@ -183,31 +180,28 @@ CONFIG_SYSTEM_TYPE_LAPTOP=y
 #
 # SoC
 #
+CONFIG_ARCH_ALL_STAGES_X86=y
 CONFIG_CHIPSET_DEVICETREE=""
+CONFIG_CBFS_MCACHE_SIZE=0x4000
 CONFIG_ROMSTAGE_ADDR=0x2000000
 CONFIG_VERSTAGE_ADDR=0x2000000
 CONFIG_RAMBASE=0xe00000
 CONFIG_CPU_ADDR_BITS=36
 CONFIG_SMM_RESERVED_SIZE=0x100000
 CONFIG_SMM_MODULE_STACK_SIZE=0x400
-# CONFIG_CHECK_REV_IN_OPROM_NAME is not set
 CONFIG_ACPI_CPU_STRING="\\_SB.CP%02d"
 CONFIG_EHCI_BAR=0xfef00000
-# CONFIG_SOC_CAVIUM_CN81XX is not set
 CONFIG_STACK_SIZE=0x1000
-# CONFIG_SOC_CAVIUM_COMMON is not set
 CONFIG_VBT_DATA_SIZE_KB=8
-# CONFIG_SOC_INTEL_GEMINILAKE is not set
-CONFIG_X86_TOP4G_BOOTMEDIA_MAP=y
 CONFIG_INTEL_GMA_BCLV_OFFSET=0xc8254
 CONFIG_INTEL_GMA_BCLV_WIDTH=16
 CONFIG_INTEL_GMA_BCLM_OFFSET=0xc8256
 CONFIG_INTEL_GMA_BCLM_WIDTH=16
-# CONFIG_PCIEXP_ASPM is not set
-# CONFIG_PCIEXP_COMMON_CLOCK is not set
 CONFIG_FIXED_MCHBAR_MMIO_BASE=0xfed14000
 CONFIG_FIXED_DMIBAR_MMIO_BASE=0xfed18000
 CONFIG_FIXED_EPBAR_MMIO_BASE=0xfed19000
+# CONFIG_PCIEXP_ASPM is not set
+# CONFIG_PCIEXP_COMMON_CLOCK is not set
 CONFIG_TTYS0_BASE=0x3f8
 CONFIG_TTYS0_LCS=3
 CONFIG_UART_PCI_ADDR=0x0
@@ -215,36 +209,15 @@ CONFIG_AZALIA_MAX_CODECS=3
 CONFIG_INTEL_HAS_TOP_SWAP=y
 # CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK is not set
 CONFIG_INTEL_TOP_SWAP_BOOTBLOCK_SIZE=0x10000
-# CONFIG_SOC_MEDIATEK_MT8173 is not set
-# CONFIG_SOC_MEDIATEK_MT8183 is not set
-# CONFIG_SOC_MEDIATEK_MT8192 is not set
-# CONFIG_SOC_MEDIATEK_MT8195 is not set
-# CONFIG_SOC_NVIDIA_TEGRA124 is not set
-# CONFIG_SOC_NVIDIA_TEGRA210 is not set
-# CONFIG_SOC_QUALCOMM_COMMON is not set
-# CONFIG_SOC_QC_IPQ40XX is not set
-# CONFIG_SOC_QC_IPQ806X is not set
-# CONFIG_SOC_QUALCOMM_QCS405 is not set
-# CONFIG_SOC_ROCKCHIP_RK3288 is not set
-# CONFIG_SOC_ROCKCHIP_RK3399 is not set
-# CONFIG_CPU_SAMSUNG_EXYNOS5250 is not set
-# CONFIG_CPU_SAMSUNG_EXYNOS5420 is not set
-# CONFIG_SOC_TI_AM335X is not set
-# CONFIG_SOC_UCB_RISCV is not set
 
 #
 # CPU
 #
-# CONFIG_CPU_AMD_AGESA is not set
-# CONFIG_CPU_AMD_PI is not set
-# CONFIG_CPU_ARMLTD_CORTEX_A9 is not set
 CONFIG_CPU_INTEL_MODEL_6EX=y
 CONFIG_CPU_INTEL_MODEL_6FX=y
 CONFIG_SOCKET_SPECIFIC_OPTIONS=y
 CONFIG_CPU_INTEL_SOCKET_M=y
 CONFIG_SSE2=y
-# CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE is not set
-# CONFIG_CPU_INTEL_TURBO_NOT_PACKAGE_SCOPED is not set
 CONFIG_CPU_INTEL_COMMON=y
 CONFIG_ENABLE_VMX=y
 CONFIG_SET_IA32_FC_LOCK_BIT=y
@@ -252,33 +225,25 @@ CONFIG_SET_MSR_AESNI_LOCK_BIT=y
 CONFIG_CPU_INTEL_COMMON_TIMEBASE=y
 CONFIG_CPU_INTEL_COMMON_SMM=y
 CONFIG_MICROCODE_UPDATE_PRE_RAM=y
-# CONFIG_PARALLEL_CPU_INIT is not set
 CONFIG_PARALLEL_MP=y
-# CONFIG_PARALLEL_MP_AP_WORK is not set
-# CONFIG_UDELAY_LAPIC is not set
+CONFIG_XAPIC_ONLY=y
+# CONFIG_X2APIC_ONLY is not set
+# CONFIG_X2APIC_RUNTIME is not set
 CONFIG_UDELAY_TSC=y
 CONFIG_TSC_MONOTONIC_TIMER=y
-# CONFIG_TSC_SYNC_LFENCE is not set
 CONFIG_TSC_SYNC_MFENCE=y
 CONFIG_SETUP_XIP_CACHE=y
 CONFIG_LOGICAL_CPUS=y
 CONFIG_HAVE_SMI_HANDLER=y
-# CONFIG_NO_SMM is not set
-# CONFIG_SMM_ASEG is not set
 CONFIG_SMM_TSEG=y
 CONFIG_SMM_MODULE_HEAP_SIZE=0x4000
 CONFIG_SMM_STUB_STACK_SIZE=0x400
 CONFIG_SMM_LAPIC_REMAP_MITIGATION=y
-# CONFIG_SERIALIZED_SMM_INITIALIZATION is not set
-# CONFIG_X86_AMD_FIXED_MTRRS is not set
-# CONFIG_X86_AMD_INIT_SIPI is not set
-# CONFIG_SOC_SETS_MSRS is not set
-# CONFIG_RESERVE_MTRRS_FOR_OS is not set
+CONFIG_CPU_INFO_V2=y
 CONFIG_SMP=y
 CONFIG_MMX=y
 CONFIG_SSE=y
 CONFIG_SUPPORT_CPU_UCODE_IN_CBFS=y
-# CONFIG_USES_MICROCODE_HEADER_FILES is not set
 # CONFIG_CPU_MICROCODE_CBFS_DEFAULT_BINS is not set
 # CONFIG_CPU_MICROCODE_CBFS_EXTERNAL_BINS is not set
 # CONFIG_CPU_MICROCODE_CBFS_EXTERNAL_HEADER is not set
@@ -287,42 +252,32 @@ CONFIG_CPU_MICROCODE_CBFS_NONE=y
 #
 # Northbridge
 #
-# CONFIG_NORTHBRIDGE_AMD_AGESA is not set
-# CONFIG_NORTHBRIDGE_AMD_PI is not set
 CONFIG_NORTHBRIDGE_SPECIFIC_OPTIONS=y
 CONFIG_NORTHBRIDGE_INTEL_I945=y
-# CONFIG_NORTHBRIDGE_INTEL_SUBTYPE_I945GC is not set
 CONFIG_NORTHBRIDGE_INTEL_SUBTYPE_I945GM=y
 CONFIG_I945_LVDS=y
-# CONFIG_OVERRIDE_CLOCK_DISABLE is not set
-# CONFIG_CHECK_SLFRCS_ON_RESUME is not set
 
 #
 # Southbridge
 #
-# CONFIG_AMD_SB_CIMX is not set
-# CONFIG_SOUTHBRIDGE_AMD_CIMX_SB800 is not set
 CONFIG_HPET_MIN_TICKS=0x80
+# CONFIG_PCIEXP_HOTPLUG is not set
 CONFIG_SOUTHBRIDGE_INTEL_I82801GX=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_RESET=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_RTC=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_PMCLIB=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_PMBASE=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_GPIO=y
-# CONFIG_SOUTHBRIDGE_INTEL_COMMON_ME is not set
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_HPET=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_EARLY_SMBUS=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_SMBUS=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_SPI=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_SPI_ICH7=y
-# CONFIG_SOUTHBRIDGE_INTEL_COMMON_SPI_ICH9 is not set
-# CONFIG_SOUTHBRIDGE_INTEL_COMMON_SPI_SILVERMONT is not set
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_PIRQ_ACPI_GEN=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_RCBA_PIRQ=y
 CONFIG_HAVE_INTEL_CHIPSET_LOCKDOWN=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_SMM=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_USB_DEBUG=y
-# CONFIG_INTEL_DESCRIPTOR_MODE_CAPABLE is not set
 CONFIG_INTEL_CHIPSET_LOCKDOWN=y
 CONFIG_SOUTHBRIDGE_INTEL_COMMON_WATCHDOG=y
 CONFIG_FIXED_RCBA_MMIO_BASE=0xfed1c000
@@ -332,27 +287,11 @@ CONFIG_FIXED_SMBUS_IO_BASE=0x400
 #
 # Super I/O
 #
-# CONFIG_SUPERIO_ASPEED_AST2400 is not set
-# CONFIG_SUPERIO_ASPEED_COMMON_PRE_RAM is not set
-# CONFIG_SUPERIO_ASPEED_HAS_UART_DELAY_WORKAROUND is not set
-# CONFIG_SUPERIO_FINTEK_FAN_CONTROL is not set
 
 #
 # Embedded Controllers
 #
 CONFIG_EC_ACPI=y
-# CONFIG_EC_51NB_NPCE985LA0DX is not set
-# CONFIG_EC_GOOGLE_CHROMEEC_SKUID is not set
-# CONFIG_EC_GOOGLE_WILCO is not set
-# CONFIG_CAVIUM_BDK is not set
-# CONFIG_MAINBOARD_HAS_CHROMEOS is not set
-# CONFIG_GOOGLE_SMBIOS_MAINBOARD_VERSION is not set
-# CONFIG_UEFI_2_4_BINDING is not set
-# CONFIG_UDK_2015_BINDING is not set
-# CONFIG_UDK_2017_BINDING is not set
-# CONFIG_UDK_202005_BINDING is not set
-# CONFIG_USE_SIEMENS_HWILIB is not set
-# CONFIG_ARM_LPAE is not set
 CONFIG_ARCH_X86=y
 CONFIG_ARCH_BOOTBLOCK_X86_32=y
 CONFIG_ARCH_VERSTAGE_X86_32=y
@@ -360,31 +299,19 @@ CONFIG_ARCH_ROMSTAGE_X86_32=y
 CONFIG_ARCH_POSTCAR_X86_32=y
 CONFIG_ARCH_RAMSTAGE_X86_32=y
 CONFIG_ARCH_ALL_STAGES_X86_32=y
-# CONFIG_ARCH_POSTCAR_X86_64 is not set
-# CONFIG_USE_MARCH_586 is not set
 CONFIG_AP_IN_SIPI_WAIT=y
-# CONFIG_SIPI_VECTOR_IN_ROM is not set
 CONFIG_RAMTOP=0x1000000
+CONFIG_X86_TOP4G_BOOTMEDIA_MAP=y
 CONFIG_NUM_IPI_STARTS=2
 CONFIG_PC80_SYSTEM=y
-# CONFIG_BOOTBLOCK_DEBUG_SPINLOOP is not set
 CONFIG_HAVE_CMOS_DEFAULT=y
-CONFIG_CMOS_DEFAULT_FILE="src/mainboard/$(MAINBOARDDIR)/cmos.default"
-CONFIG_IOAPIC_INTERRUPTS_ON_FSB=y
-# CONFIG_IOAPIC_INTERRUPTS_ON_APIC_SERIAL_BUS is not set
-# CONFIG_HPET_ADDRESS_OVERRIDE is not set
 CONFIG_HPET_ADDRESS=0xfed00000
 CONFIG_POSTCAR_STAGE=y
-# CONFIG_VERSTAGE_DEBUG_SPINLOOP is not set
-# CONFIG_ROMSTAGE_DEBUG_SPINLOOP is not set
 CONFIG_BOOTBLOCK_SIMPLE=y
 # CONFIG_BOOTBLOCK_NORMAL is not set
-# CONFIG_COLLECT_TIMESTAMPS_NO_TSC is not set
 CONFIG_COLLECT_TIMESTAMPS_TSC=y
-# CONFIG_PAGING_IN_CACHE_AS_RAM is not set
-# CONFIG_IDT_IN_EVERY_STAGE is not set
 CONFIG_HAVE_CF9_RESET=y
-# CONFIG_PIRQ_ROUTE is not set
+# end of Chipset
 
 #
 # Devices
@@ -392,26 +319,22 @@ CONFIG_HAVE_CF9_RESET=y
 CONFIG_HAVE_VGA_TEXT_FRAMEBUFFER=y
 CONFIG_HAVE_LINEAR_FRAMEBUFFER=y
 CONFIG_MAINBOARD_HAS_NATIVE_VGA_INIT=y
-# CONFIG_MAINBOARD_FORCE_NATIVE_VGA_INIT is not set
-# CONFIG_VGA_ROM_RUN_DEFAULT is not set
-# CONFIG_MAINBOARD_HAS_LIBGFXINIT is not set
 CONFIG_MAINBOARD_DO_NATIVE_VGA_INIT=y
 # CONFIG_VGA_ROM_RUN is not set
 # CONFIG_NO_GFX_INIT is not set
-# CONFIG_MULTIPLE_VGA_ADAPTERS is not set
 
 #
 # Display
 #
 CONFIG_VGA_TEXT_FRAMEBUFFER=y
 # CONFIG_GENERIC_LINEAR_FRAMEBUFFER is not set
+# end of Display
+
 CONFIG_PCI=y
-# CONFIG_NO_MMCONF_SUPPORT is not set
 CONFIG_MMCONF_SUPPORT=y
 CONFIG_PCIX_PLUGIN_SUPPORT=y
 CONFIG_CARDBUS_PLUGIN_SUPPORT=y
 CONFIG_AZALIA_PLUGIN_SUPPORT=y
-# CONFIG_AZALIA_LOCK_DOWN_R_WO_GCAP is not set
 CONFIG_PCIEXP_PLUGIN_SUPPORT=y
 CONFIG_MMCONF_LENGTH=0x04000000
 CONFIG_PCI_ALLOW_BUS_MASTER=y
@@ -422,32 +345,18 @@ CONFIG_SUBSYSTEM_VENDOR_ID=0x0000
 CONFIG_SUBSYSTEM_DEVICE_ID=0x0000
 # CONFIG_INTEL_GMA_ADD_VBT is not set
 # CONFIG_SOFTWARE_I2C is not set
-# CONFIG_RESOURCE_ALLOCATOR_V3 is not set
 CONFIG_RESOURCE_ALLOCATOR_V4=y
-# CONFIG_XHCI_UTILS is not set
+# end of Devices
 
 #
 # Generic Drivers
 #
-# CONFIG_DRIVERS_AS3722_RTC is not set
-# CONFIG_CHROMEOS_CAMERA is not set
 CONFIG_CRB_TPM_BASE_ADDRESS=0xfed40000
-# CONFIG_MAINBOARD_HAS_CRB_TPM is not set
 # CONFIG_ELOG is not set
-# CONFIG_GIC is not set
-# CONFIG_IPMI_KCS is not set
-# CONFIG_DRIVERS_LENOVO_WACOM is not set
-# CONFIG_RT8168_GET_MAC_FROM_VPD is not set
-# CONFIG_RT8168_SUPPORT_LEGACY_VPD_MAC is not set
-# CONFIG_RT8168_SET_LED_MODE is not set
 # CONFIG_SMMSTORE is not set
-# CONFIG_SMMSTORE_IN_CBFS is not set
 CONFIG_SPI_FLASH=y
-# CONFIG_SPI_SDCARD is not set
 CONFIG_BOOT_DEVICE_SPI_FLASH_RW_NOMMAP=y
-# CONFIG_BOOT_DEVICE_SPI_FLASH_NO_EARLY_WRITES is not set
 CONFIG_BOOT_DEVICE_SPI_FLASH_RW_NOMMAP_EARLY=y
-# CONFIG_SPI_FLASH_DONT_INCLUDE_ALL_DRIVERS is not set
 # CONFIG_SPI_FLASH_NO_FAST_READ is not set
 CONFIG_SPI_FLASH_ADESTO=y
 CONFIG_SPI_FLASH_AMIC=y
@@ -458,85 +367,26 @@ CONFIG_SPI_FLASH_MACRONIX=y
 CONFIG_SPI_FLASH_SPANSION=y
 CONFIG_SPI_FLASH_SST=y
 CONFIG_SPI_FLASH_STMICRO=y
-# CONFIG_SPI_FLASH_HAS_VOLATILE_GROUP is not set
-# CONFIG_HAVE_EM100PRO_SPI_CONSOLE_SUPPORT is not set
 CONFIG_DRIVERS_UART=y
-# CONFIG_DRIVERS_UART_8250IO_SKIP_INIT is not set
-# CONFIG_NO_UART_ON_SUPERIO is not set
-# CONFIG_UART_OVERRIDE_INPUT_CLOCK_DIVIDER is not set
-# CONFIG_UART_OVERRIDE_REFCLK is not set
-# CONFIG_DRIVERS_UART_8250MEM is not set
-# CONFIG_DRIVERS_UART_8250MEM_32 is not set
-# CONFIG_HAVE_UART_SPECIAL is not set
 # CONFIG_DRIVERS_UART_OXPCIE is not set
-# CONFIG_DRIVERS_UART_PL011 is not set
-# CONFIG_UART_USE_REFCLK_AS_INPUT_CLOCK is not set
 CONFIG_HAVE_USBDEBUG=y
-# CONFIG_HAVE_USBDEBUG_OPTIONS is not set
 # CONFIG_USBDEBUG is not set
 # CONFIG_VPD is not set
-# CONFIG_DRIVERS_AMD_PI is not set
 # CONFIG_DRIVERS_GENERIC_CBFS_SERIAL is not set
 # CONFIG_DRIVERS_GENESYSLOGIC_GL9755 is not set
-# CONFIG_DRIVERS_GFX_GENERIC is not set
-# CONFIG_DRIVERS_I2C_GPIO_MUX is not set
-# CONFIG_DRIVERS_I2C_MAX98373 is not set
-# CONFIG_DRIVERS_I2C_MAX98390 is not set
-# CONFIG_DRIVERS_I2C_MAX98927 is not set
-# CONFIG_DRIVERS_I2C_PCA9538 is not set
-# CONFIG_DRIVERS_I2C_PCF8523 is not set
-# CONFIG_DRIVERS_I2C_PTN3460 is not set
-# CONFIG_DRIVERS_I2C_RT1011 is not set
-# CONFIG_DRIVERS_I2C_RT5663 is not set
-# CONFIG_DRIVERS_I2C_RTD2132 is not set
-# CONFIG_DRIVERS_I2C_RX6110SA is not set
-# CONFIG_DRIVERS_I2C_SX9310 is not set
-# CONFIG_DRIVERS_I2C_SX9324 is not set
-# CONFIG_DRIVERS_I2C_TAS5825M is not set
-# CONFIG_MAINBOARD_HAS_I2C_TPM_ATMEL is not set
-# CONFIG_MAINBOARD_HAS_I2C_TPM_CR50 is not set
-# CONFIG_MAINBOARD_HAS_I2C_TPM_GENERIC is not set
-# CONFIG_DRIVER_I2C_TPM_ACPI is not set
-# CONFIG_DRIVERS_INTEL_DPTF is not set
-# CONFIG_PLATFORM_USES_FSP2_0 is not set
-# CONFIG_PLATFORM_USES_FSP2_1 is not set
-# CONFIG_PLATFORM_USES_FSP2_2 is not set
-# CONFIG_INTEL_DDI is not set
+CONFIG_DRIVERS_I2C_CK505=y
 CONFIG_INTEL_EDID=y
 CONFIG_INTEL_INT15=y
 CONFIG_INTEL_GMA_ACPI=y
 CONFIG_INTEL_GMA_SSC_ALTERNATE_REF=y
-# CONFIG_INTEL_GMA_SWSMISCI is not set
-# CONFIG_DRIVER_INTEL_I210 is not set
-# CONFIG_DRIVERS_INTEL_ISH is not set
-# CONFIG_DRIVERS_INTEL_MIPI_CAMERA is not set
-# CONFIG_DRIVERS_INTEL_PMC is not set
-# CONFIG_HAVE_INTEL_PTT is not set
-# CONFIG_IPMI_OCP is not set
-# CONFIG_DRIVERS_LENOVO_HYBRID_GRAPHICS is not set
-# CONFIG_DRIVER_MAXIM_MAX77686 is not set
-# CONFIG_DRIVER_PARADE_PS8625 is not set
-# CONFIG_DRIVER_PARADE_PS8640 is not set
+CONFIG_INTEL_GMA_OPREGION_2_0=y
 # CONFIG_DRIVERS_PS2_KEYBOARD is not set
 CONFIG_DRIVERS_MC146818=y
-# CONFIG_MAINBOARD_HAS_LPC_TPM is not set
+# CONFIG_USE_PC_CMOS_ALTCENTURY is not set
 CONFIG_VGA=y
-# CONFIG_DRIVERS_RICOH_RCE822 is not set
-# CONFIG_DRIVER_SIEMENS_NC_FPGA is not set
-# CONFIG_NC_FPGA_NOTIFY_CB_READY is not set
 # CONFIG_DRIVERS_SIL_3114 is not set
-# CONFIG_MAINBOARD_HAS_SPI_TPM_CR50 is not set
-# CONFIG_MAINBOARD_HAS_SPI_TPM is not set
-# CONFIG_DRIVERS_TI_SN65DSI86BRIDGE is not set
-# CONFIG_DRIVER_TI_TPS65090 is not set
-# CONFIG_DRIVERS_TI_TPS65913_RTC is not set
-# CONFIG_DRIVERS_USB_ACPI is not set
-# CONFIG_DRIVERS_USB_PCI_XHCI is not set
 CONFIG_DRIVERS_WIFI_GENERIC=y
-# CONFIG_USE_SAR is not set
-# CONFIG_MP_SERVICES_PPI_V1 is not set
-# CONFIG_MP_SERVICES_PPI_V2 is not set
-# CONFIG_COMMONLIB_STORAGE is not set
+# end of Generic Drivers
 
 #
 # Security
@@ -545,32 +395,35 @@ CONFIG_DRIVERS_WIFI_GENERIC=y
 #
 # Verified Boot (vboot)
 #
+# end of Verified Boot (vboot)
 
 #
 # Trusted Platform Module
 #
-CONFIG_USER_NO_TPM=y
+CONFIG_NO_TPM=y
+# end of Trusted Platform Module
 
 #
 # Memory initialization
 #
 CONFIG_PLATFORM_HAS_DRAM_CLEAR=y
 CONFIG_SECURITY_CLEAR_DRAM_ON_REGULAR_BOOT=y
+# end of Memory initialization
+
 # CONFIG_STM is not set
 CONFIG_BOOTMEDIA_LOCK_NONE=y
 # CONFIG_BOOTMEDIA_LOCK_CONTROLLER is not set
 # CONFIG_BOOTMEDIA_LOCK_CHIP is not set
-# CONFIG_ACPI_AMD_HARDWARE_SLEEP_VALUES is not set
+# CONFIG_BOOTMEDIA_SMM_BWP is not set
+# end of Security
+
 CONFIG_ACPI_HAVE_PCAT_8259=y
 CONFIG_ACPI_INTEL_HARDWARE_SLEEP_VALUES=y
 CONFIG_ACPI_SOC_NVS=y
-# CONFIG_ACPI_EINJ is not set
 CONFIG_HAVE_ACPI_TABLES=y
-# CONFIG_BOOT_DEVICE_NOT_SPI_FLASH is not set
 CONFIG_BOOT_DEVICE_SPI_FLASH=y
 CONFIG_BOOT_DEVICE_MEMORY_MAPPED=y
 CONFIG_BOOT_DEVICE_SUPPORTS_WRITES=y
-# CONFIG_RTC is not set
 
 #
 # Console
@@ -613,33 +466,25 @@ CONFIG_DEFAULT_CONSOLE_LOGLEVEL=0
 CONFIG_POST_DEVICE_NONE=y
 # CONFIG_POST_DEVICE_LPC is not set
 # CONFIG_POST_DEVICE_PCI_PCIE is not set
-# CONFIG_DEFAULT_POST_ON_LPC is not set
 CONFIG_POST_IO_PORT=0x80
-# CONFIG_NO_EARLY_BOOTBLOCK_POSTCODES is not set
-# CONFIG_HWBASE_DEBUG_CB is not set
 CONFIG_HWBASE_DEBUG_NULL=y
+# end of Console
+
 CONFIG_HAVE_ACPI_RESUME=y
-# CONFIG_DISABLE_ACPI_HIBERNATE is not set
 CONFIG_RESUME_PATH_SAME_AS_BOOT=y
-# CONFIG_NO_MONOTONIC_TIMER is not set
 CONFIG_HAVE_MONOTONIC_TIMER=y
-# CONFIG_TIMER_QUEUE is not set
 CONFIG_HAVE_OPTION_TABLE=y
-# CONFIG_PCI_IO_CFG_EXT is not set
 CONFIG_IOAPIC=y
 CONFIG_USE_WATCHDOG_ON_BOOT=y
-# CONFIG_GFXUMA is not set
 CONFIG_HAVE_MP_TABLE=y
-# CONFIG_ACPI_NHLT is not set
 
 #
 # System tables
 #
 CONFIG_GENERATE_MP_TABLE=y
-# CONFIG_GENERATE_PIRQ_TABLE is not set
 CONFIG_GENERATE_SMBIOS_TABLES=y
-# CONFIG_SMBIOS_PROVIDED_BY_MOBO is not set
 CONFIG_MAINBOARD_SERIAL_NUMBER="123456789"
+# end of System tables
 
 #
 # Payload
@@ -657,7 +502,6 @@ CONFIG_PAYLOAD_NONE=y
 # CONFIG_PAYLOAD_TIANOCORE is not set
 CONFIG_PAYLOAD_OPTIONS=""
 # CONFIG_PXE is not set
-# CONFIG_PAYLOAD_IS_FLAT_BINARY is not set
 CONFIG_COMPRESS_SECONDARY_PAYLOAD=y
 
 #
@@ -667,6 +511,8 @@ CONFIG_COMPRESS_SECONDARY_PAYLOAD=y
 # CONFIG_MEMTEST_SECONDARY_PAYLOAD is not set
 # CONFIG_NVRAMCUI_SECONDARY_PAYLOAD is not set
 # CONFIG_TINT_SECONDARY_PAYLOAD is not set
+# end of Secondary Payloads
+# end of Payload
 
 #
 # Debugging
@@ -675,6 +521,7 @@ CONFIG_COMPRESS_SECONDARY_PAYLOAD=y
 #
 # CPU Debug Settings
 #
+# CONFIG_DISPLAY_MTRRS is not set
 
 #
 # BLOB Debug Settings
@@ -691,25 +538,15 @@ CONFIG_HAVE_DEBUG_RAM_SETUP=y
 CONFIG_HAVE_DEBUG_SMBUS=y
 # CONFIG_DEBUG_SMBUS is not set
 # CONFIG_DEBUG_SMI is not set
-# CONFIG_DEBUG_MALLOC is not set
-# CONFIG_DEBUG_RESOURCES is not set
 # CONFIG_DEBUG_CONSOLE_INIT is not set
 # CONFIG_DEBUG_SPI_FLASH is not set
-# CONFIG_DEBUG_FUNC is not set
 # CONFIG_DEBUG_BOOT_STATE is not set
 # CONFIG_DEBUG_ADA_CODE is not set
 # CONFIG_HAVE_EM100_SUPPORT is not set
-# CONFIG_SPD_CACHE_IN_FMAP is not set
+# end of Debugging
+
 CONFIG_WARNINGS_ARE_ERRORS=y
-# CONFIG_POWER_BUTTON_DEFAULT_ENABLE is not set
-# CONFIG_POWER_BUTTON_DEFAULT_DISABLE is not set
-# CONFIG_POWER_BUTTON_FORCE_ENABLE is not set
-# CONFIG_POWER_BUTTON_FORCE_DISABLE is not set
-# CONFIG_POWER_BUTTON_IS_OPTIONAL is not set
-# CONFIG_REG_SCRIPT is not set
 CONFIG_MAX_REBOOT_CNT=3
-# CONFIG_NO_XIP_EARLY_STAGES is not set
-# CONFIG_EARLY_CBMEM_LIST is not set
 CONFIG_RELOCATABLE_MODULES=y
 CONFIG_HAVE_BOOTBLOCK=y
 CONFIG_HAVE_ROMSTAGE=y
diff --git a/resources/coreboot/macbook21/patches/0001-apple-macbook21-Set-default-VRAM-to-64MiB-instead-of.patch b/resources/coreboot/macbook21/patches/0001-apple-macbook21-Set-default-VRAM-to-64MiB-instead-of.patch
new file mode 100644
index 00000000..e1b0ee03
--- /dev/null
+++ b/resources/coreboot/macbook21/patches/0001-apple-macbook21-Set-default-VRAM-to-64MiB-instead-of.patch
@@ -0,0 +1,23 @@
+From 4ab0850279e98ccd715fca75813407046e9eac27 Mon Sep 17 00:00:00 2001
+From: Leah Rowe <leah@retroboot.org>
+Date: Fri, 19 Mar 2021 05:54:58 +0000
+Subject: [PATCH 1/2] apple/macbook21: Set default VRAM to 64MiB instead of
+ 8MiB
+
+---
+ src/mainboard/apple/macbook21/cmos.default | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/mainboard/apple/macbook21/cmos.default b/src/mainboard/apple/macbook21/cmos.default
+index cf1bc4566e..dc0df3b6d6 100644
+--- a/src/mainboard/apple/macbook21/cmos.default
++++ b/src/mainboard/apple/macbook21/cmos.default
+@@ -5,4 +5,4 @@ boot_devices=''
+ boot_default=0x40
+ cmos_defaults_loaded=Yes
+ lpt=Enable
+-gfx_uma_size=8M
++gfx_uma_size=64M
+-- 
+2.25.1
+
diff --git a/resources/coreboot/macbook21/patches/0002-add-c3-and-clockgen-to-apple-macbook21.patch b/resources/coreboot/macbook21/patches/0002-add-c3-and-clockgen-to-apple-macbook21.patch
new file mode 100644
index 00000000..0921ab8c
--- /dev/null
+++ b/resources/coreboot/macbook21/patches/0002-add-c3-and-clockgen-to-apple-macbook21.patch
@@ -0,0 +1,68 @@
+From 3b03c7ce6499165959f1335a6b4d66d576c6b7ff Mon Sep 17 00:00:00 2001
+From: Vitali64 <5405891-vitali64yt@users.noreply.gitlab.com>
+Date: Wed, 27 Oct 2021 13:36:01 +0200
+Subject: [PATCH 2/2] add c3 and clockgen to apple/macbook21
+
+---
+ src/mainboard/apple/macbook21/Kconfig       |  1 +
+ src/mainboard/apple/macbook21/cstates.c     | 13 +++++++++++++
+ src/mainboard/apple/macbook21/devicetree.cb |  6 ++++++
+ 3 files changed, 20 insertions(+)
+
+diff --git a/src/mainboard/apple/macbook21/Kconfig b/src/mainboard/apple/macbook21/Kconfig
+index 5f5ffde588..27377b737c 100644
+--- a/src/mainboard/apple/macbook21/Kconfig
++++ b/src/mainboard/apple/macbook21/Kconfig
+@@ -16,6 +16,7 @@ config BOARD_SPECIFIC_OPTIONS
+ 	select HAVE_ACPI_TABLES
+ 	select HAVE_ACPI_RESUME
+ 	select I945_LVDS
++	select DRIVERS_I2C_CK505
+ 
+ config MAINBOARD_DIR
+ 	default "apple/macbook21"
+diff --git a/src/mainboard/apple/macbook21/cstates.c b/src/mainboard/apple/macbook21/cstates.c
+index 13d06f0839..88b8669c61 100644
+--- a/src/mainboard/apple/macbook21/cstates.c
++++ b/src/mainboard/apple/macbook21/cstates.c
+@@ -29,6 +29,19 @@ static const acpi_cstate_t cst_entries[] = {
+ 			.addrh = 0,
+ 		}
+ 	},
++	{
++		.ctype = 3,
++		.latency = 17,
++		.power = 250,
++		.resource = {
++			.space_id = ACPI_ADDRESS_SPACE_FIXED,
++			.bit_width = ACPI_FFIXEDHW_VENDOR_INTEL,
++			.bit_offset = ACPI_FFIXEDHW_CLASS_MWAIT,
++			.access_size = ACPI_ACCESS_SIZE_UNDEFINED,
++			.addrl = 0x20,
++			.addrh = 0,
++		}
++	},
+ };
+ 
+ int get_cst_entries(const acpi_cstate_t **entries)
+diff --git a/src/mainboard/apple/macbook21/devicetree.cb b/src/mainboard/apple/macbook21/devicetree.cb
+index bcce778cb1..16025d6fbb 100644
+--- a/src/mainboard/apple/macbook21/devicetree.cb
++++ b/src/mainboard/apple/macbook21/devicetree.cb
+@@ -104,7 +104,13 @@ chip northbridge/intel/i945
+ 			end
+ 			device pci 1f.3 on # SMBUS
+ 				subsystemid 0x8086 0x7270
++				chip drivers/i2c/ck505
++					register "mask" = "{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }"
++					register "regs" = "{ 0x77, 0x77, 0x2d, 0x00, 0x21, 0x10, 0x3b, 0x06, 0x07, 0x0f, 0xf0, 0x01, 0x1e, 0x7f, 0x80, 0x80, 0x10, 0x08, 0x04, 0x01 }"
++					device i2c 69 on end
++				end
+ 			end
++
+ 		end
+ 	end
+ end
+-- 
+2.25.1
+