Initial commit

.gitignore

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+/_build/
+/images/

.gitmodules

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+[submodule "aimee-os"]
+	path = aimee-os
+	url = https://git.pyrocufflink.net/aimeeos/aimee-os

Makefile

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+basemake := $(MAKE) $(MAKEFLAGS) -C aimee-os CONFIGDIR=$(CURDIR) O=$(CURDIR)/_build
+
+all:
+	$(basemake)
+
+.PHONY: all

aimee-os

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+Subproject commit 79e69cf70df3586bd4ef4b15f577b42719380f38

build.packages

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+sys-boot/raspberrypi-firmware
+sys-boot/u-boot

config

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+target=aarch64-unknown-linux-gnu
+profile=default/linux/arm64/23.0/systemd
+kernel_pkg=sys-kernel/raspberrypi-sources
+kernel_defconfig=bcm2835
+device_tree=broadcom/bcm2711-rpi-4-b.dtb

config.txt

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+arm_64bit=1
+
+start_x=1
+
+bootcode_delay=0
+boot_delay=0
+
+gpu_mem=32
+
+kernel=u-boot.bin
+
+enable_uart=1
+dtoverlay=miniuart-bt
+
+dtparam i2c_arm=on
+
+device_tree=bcm2711-rpi-4-b.dtb

linux.config

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+CONFIG_BTRFS_FS=y
+
+CONFIG_OVERLAY_FS=m
+
+CONFIG_MISC_FILESYSTEMS=y
+CONFIG_SQUASHFS=y
+CONFIG_SQUASHFS_XATTR=y
+CONFIG_SQUASHFS_ZSTD=y
+
+CONFIG_EFI=y
+CONFIG_EFI_STUB=y
+
+CONFIG_PCI=y
+CONFIG_PCIE_BRCMSTB=y
+CONFIG_BLK_DEV_NVME=y
+
+CONFIG_FW_LOADER_COMPRESS=y
+
+CONFIG_I2C=y
+CONFIG_I2C_CHARDEV=m
+CONFIG_I2C_MUX=m
+CONFIG_I2C_MUX_GPMUX=m
+CONFIG_I2C_MUX_PINCTRL=m
+CONFIG_I2C_BCM2708=m
+CONFIG_I2C_BCM2835=m
+CONFIG_I2C_BRCMSTB=m
+
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_DRV_PCF85063=m
+
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_LEDS_TRIGGER_DISK=y
+CONFIG_LEDS_TRIGGER_ACTIVITY=y
+
+CONFIG_WLAN=y
+CONFIG_WLAN_VENDOR_BROADCOM=y
+CONFIG_CFG80211=m
+CONFIG_MAC80211=m
+CONFIG_BRCM_FMAC=m
+CONFIG_BT=m
+
+# CONFIG_KSM is not set
+
+CONFIG_IPV6=y
+CONFIG_IPV6_SIT=m
+CONFIG_IPV6_SIT_6RD=m
+
+# CONFIG_MEDIA_CEC_SUPPORT is not set
+# CONFIG_MEDIA_SUPPORT is not set
+
+# CONFIG_SOUND is not set
+# CONFIG_SND is not set
+# CONFIG_SND_SOC is not set
+
+CONFIG_AUDIT=y
+CONFIG_SECURITY=y
+CONFIG_SECURITY_NETWORK=y
+CONFIG_SECURITY_SELINUX=y
+CONFIG_DEFAULT_SECURITY_SELINUX=y
+# DEFAULT_SECURITY_DAC is not set
+
+CONFIG_POSIX_MQUEUE=y
+CONFIG_MEMCG=y
+CONFIG_CGROUP_PIDS=y
+CONFIG_BLK_CGROUP=y
+
+CONFIG_USB_DWC2=m
+CONFIG_USB_DWC2_PCI=m
+CONFIG_USB_ACM=m
+CONFIG_USB_SERIAL=m
+CONFIG_USB_SERIAL_CP210X=m

portage/package.license/raspberrypi-firmware

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+sys-boot/raspberrypi-firmware raspberrypi-videocore-bin

portage/package.use/grub

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+sys-boot/grub -* GRUB_PLATFORMS: -* efi-64

portage/savedconfig/sys-boot/u-boot

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+CONFIG_ARM=y
+CONFIG_ARCH_BCM283X=y
+CONFIG_TEXT_BASE=0x00080000
+CONFIG_TARGET_RPI_4=y
+CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
+CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0x7fffe30
+CONFIG_ENV_SIZE=0x4000
+CONFIG_DEFAULT_DEVICE_TREE="bcm2711-rpi-4-b"
+CONFIG_SYS_PROMPT="U-Boot> "
+CONFIG_DM_RESET=y
+CONFIG_SYS_LOAD_ADDR=0x1000000
+CONFIG_DISTRO_DEFAULTS=y
+CONFIG_OF_BOARD_SETUP=y
+CONFIG_USE_PREBOOT=y
+CONFIG_PREBOOT="pci enum; usb start;"
+# CONFIG_DISPLAY_CPUINFO is not set
+# CONFIG_DISPLAY_BOARDINFO is not set
+CONFIG_MISC_INIT_R=y
+CONFIG_FDT_SIMPLEFB=y
+CONFIG_SYS_PBSIZE=1049
+CONFIG_CMD_DFU=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_PCI=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_FS_UUID=y
+CONFIG_ENV_FAT_DEVICE_AND_PART="0:1"
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+CONFIG_TFTP_TSIZE=y
+CONFIG_DM_DMA=y
+CONFIG_DFU_MMC=y
+CONFIG_SYS_DFU_DATA_BUF_SIZE=0x100000
+CONFIG_SYS_DFU_MAX_FILE_SIZE=0x200000
+CONFIG_BCM2835_GPIO=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_SDMA=y
+CONFIG_MMC_SDHCI_BCM2835=y
+CONFIG_BCMGENET=y
+CONFIG_PCI=y
+CONFIG_PCI_BRCMSTB=y
+CONFIG_PINCTRL=y
+# CONFIG_PINCTRL_GENERIC is not set
+CONFIG_DM_RNG=y
+CONFIG_RNG_IPROC200=y
+# CONFIG_REQUIRE_SERIAL_CONSOLE is not set
+CONFIG_SYSINFO=y
+CONFIG_SYSINFO_SMBIOS=y
+CONFIG_USB=y
+CONFIG_DM_USB_GADGET=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_PCI=y
+CONFIG_USB_KEYBOARD=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_MANUFACTURER="FSL"
+CONFIG_USB_GADGET_VENDOR_NUM=0x0525
+CONFIG_USB_GADGET_PRODUCT_NUM=0xa4a5
+CONFIG_USB_GADGET_DWC2_OTG=y
+CONFIG_USB_GADGET_DOWNLOAD=y
+CONFIG_VIDEO=y
+# CONFIG_VIDEO_BPP8 is not set
+# CONFIG_VIDEO_BPP16 is not set
+CONFIG_SYS_WHITE_ON_BLACK=y
+CONFIG_VIDEO_BCM2835=y
+CONFIG_CONSOLE_SCROLL_LINES=10
+CONFIG_PHYS_TO_BUS=y
+CONFIG_OF_LIBFDT_OVERLAY=y
+
+# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_BOOTDELAY=-2
+# CONFIG_ISO_PARTITION is not set
+CONFIG_EFI_PARTITION=y
+CONFIG_FS_EXT4=y
+CONFIG_FS_FAT=y
+# CONFIG_ENV_IS_IN_FAT is not set
+# CONFIG_ENV_IS_IN_EXT4 is not set
+CONFIG_ENV_IS_NOWHERE=y
+CONFIG_CMD_SETEXPR=y
+CONFIG_CMD_FILEENV=y
+CONFIG_CMD_SQUASHFS=y
+CONFIG_LZO=y
+
+# CONFIG_DOS_PARTITION is not set
+CONFIG_USB_STORAGE=y
+CONFIG_USB_FUNCTION_MASS_STORAGE=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_GENERIC=y
+CONFIG_USB_OHCI_HCD=y
+
+CONFIG_USB_XHCI_BRCM=y
+
+CONFIG_NVME_PCI=y
+CONFIG_CMD_NVME=y
+CONFIG_NVME=y
+CONFIG_CMD_USB_MASS_STORAGE=y
+
+CONFIG_CMD_BOOTEFI=y
+CONFIG_EFI_LOADER=y
+
+CONFIG_LMB_MAX_REGIONS=16

post-build.sh

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+# vim: set ft=sh sw=4 ts=4 sts=4 et :
+
+cp -uv \
+    /usr/${target}/boot/*.bin \
+    /usr/${target}/boot/*.dat \
+    /usr/${target}/boot/*.elf \
+    /usr/${target}/usr/share/u-boot/u-boot.bin \
+    "${CONFIGDIR}"/config.txt \
+    "$1"/efi-part/