liminix-fork/devices/gl-ar750.nix

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# GL.INet GL-AR750 "Creta" travel router
# - QCA9531 @650Mhz SoC
# - dual band wireless: IEEE 802.11a/b/g/n/ac
# - two 10/100Mbps LAN ports and one WAN
# - 128MB DDR2 RAM / 16MB NOR Flash
# - "ath79" soc family
# https://www.gl-inet.com/products/gl-ar750/
# I like GL.iNet devices because they're relatively accessible to
# DIY users: the serial port connections have headers preinstalled
# and don't need soldering
{
system = {
crossSystem = {
config = "mips-unknown-linux-musl";
gcc = {
abi = "32";
arch = "mips32"; # maybe mips_24kc-
};
};
};
kernel = rec {
checkedConfig = {
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"MIPS_ELF_APPENDED_DTB" = "y";
OF = "y";
USE_OF = "y";
ATH79 = "y";
SOC_QCA955X = "y"; # actually QCA9531, is this even right?
LIMINIX = "y";
SERIAL_8250_CONSOLE = "y";
SERIAL_8250 = "y";
SERIAL_CORE_CONSOLE = "y";
# need this to open console device at boot. dmesg goes from
# [ 0.272934] Warning: unable to open an initial console.
# to
# [ 0.247413] printk: console [ttyS0] disabled
# [ 0.25200] 18020000.uart: ttyS0 at MMIO 0x1802000 (irq = 10, base_baud = 1562500) is a 16550A
SERIAL_OF_PLATFORM = "y";
CONSOLE_LOGLEVEL_DEFAULT = "8";
CONSOLE_LOGLEVEL_QUIET = "4";
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# "empty" initramfs source should create an initial
# filesystem that has a /dev/console node and not much
# else. Note that pid 1 is started *before* the root
# filesystem is mounted and it expects /dev/console to
# be present already
BLK_DEV_INITRD = "n";
};
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config = {
CPU_LITTLE_ENDIAN= "n";
CPU_BIG_ENDIAN= "y";
ATH79 = "y";
MIPS_ELF_APPENDED_DTB = "y";
# INITRAMFS_SOURCE = "\"\"";
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# this is all copied from nixwrt ath79 config. Clearly not all
# of it is device config, some of it is wifi config or
# installation method config or ...
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"CMDLINE_PARTITION" = "y";
"DEBUG_INFO" = "y";
"EARLY_PRINTK" = "y";
"FW_LOADER" = "y";
# we don't have a user helper, so we get multiple 60s pauses
# at boot time unless we disable trying to call it
"FW_LOADER_USER_HELPER" = "n";
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"MODULE_SIG" = "y";
"MTD_CMDLINE_PARTS" = "y";
"PARTITION_ADVANCED" = "y";
"PRINTK_TIME" = "y";
"SQUASHFS" = "y";
"SQUASHFS_XZ" = "y";
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# "ASN1" = "y";
# "ASYMMETRIC_KEY_TYPE" = "y";
# "ASYMMETRIC_PUBLIC_KEY_SUBTYPE" = "y";
# "CRC_CCITT" = "y";
# "CRYPTO" = "y";
# "CRYPTO_ARC4" = "y";
# "CRYPTO_CBC" = "y";
# "CRYPTO_CCM" = "y";
# "CRYPTO_CMAC" = "y";
# "CRYPTO_GCM" = "y";
# "CRYPTO_HASH_INFO" = "y";
# "CRYPTO_LIB_ARC4" = "y";
# "CRYPTO_RSA" = "y";
# "CRYPTO_SHA1" = "y";
# "ENCRYPTED_KEYS" = "y";
# "KEYS" = "y";
};
};
outputs.default = "directory";
boot = {
loadAddress = "0x80060000";
entryPoint = "0x80060000";
};
}