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ath79: airtight c-75: use second flash chip

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The flash capacity is divided in two flash chips and currently only
first is used. Increase available space for OpenWrt by additional 16 MiB
using mtd-concat driver. Because U-Boot might not be able to load kernel
image spanned through two flash chips, the size of kernel is limited
to space available on first first chip.

Cc: Vladimir Georgievsky <vladimir.georgievsky@yahoo.com>
Signed-off-by: Tomasz Maciej Nowak <tmn505@gmail.com>
This commit is contained in:
Tomasz Maciej Nowak 2020-12-17 17:24:27 +01:00 committed by Adrian Schmutzler
parent 0d96d36841
commit 13581a5fa7
2 changed files with 23 additions and 6 deletions
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26
target/linux/ath79/dts/qca9550_airtight_c-75.dts
View File

@ -41,6 +41,23 @@
linux,default-trigger = "phy1tpt";
};
};
virtual_flash {
compatible = "mtd-concat";
devices = <&concat0 &concat1>;
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "firmware";
reg = <0x0 0x1f90000>;
compatible = "denx,uimage";
};
};
};
};
&eth0 {
@ -118,10 +135,9 @@
read-only;
};
partition@60000 {
label = "firmware";
concat0: partition@60000 {
label = "reserved1";
reg = <0x060000 0xf90000>;
compatible = "denx,uimage";
};
art: partition@ff0000 {
@ -142,8 +158,8 @@
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "opt";
concat1: partition@0 {
label = "reserved2";
reg = <0x0 0x1000000>;
};
};

3
target/linux/ath79/image/generic.mk
View File

@ -246,7 +246,8 @@ define Device/airtight_c-75
DEVICE_ALT1_VENDOR := WatchGuard
DEVICE_ALT1_MODEL := AP320
DEVICE_PACKAGES := ath10k-firmware-qca988x-ct kmod-ath10k-ct kmod-usb2
IMAGE_SIZE := 15936k
IMAGE_SIZE := 32320k
KERNEL_SIZE := 15936k
endef
TARGET_DEVICES += airtight_c-75