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ramips: RT-N56U support fixes and factory image creation

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Signed-off-by: Mikko Hissa <mikko.hissa@werzek.com>

SVN-Revision: 41224
This commit is contained in:
John Crispin
2014-06-16 18:57:20 +00:00
parent 28277caccb
commit dc5fe5f73f
6 changed files with 353 additions and 3 deletions
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17
target/linux/ramips/base-files/lib/preinit/04_disable_wnce2001_flash_checksumming → target/linux/ramips/base-files/lib/preinit/04_handle_checksumming
View File

@@ -5,7 +5,7 @@
# this, so we make sure to zero checksum and size to be checksummed before
# that happens, so this needs to run very early during boot.
do_wnce2001_checksumming_disable() {
do_checksumming_disable() {
. /lib/ramips.sh
local board=$(ramips_board_name)
@@ -35,9 +35,22 @@ do_wnce2001_checksumming_disable() {
echo "Checksum is already zero, nothing to do."
fi
;;
rt-n56u)
echo "Board is ASUS RT-N56U, replacing uImage header..."
local firmware_mtd=$(find_mtd_part firmware)
local rootfs_mtd=$(find_mtd_part rootfs)
local rootfs_data_mtd=$(find_mtd_part rootfs_data)
local rootfs_len=$(grep \"rootfs\" /proc/mtd | awk -F' ' '{print "0x"$2}')
local rootfs_data_len=$(grep \"rootfs_data\" /proc/mtd | awk -F' ' '{print "0x"$2}')
local offset=$(echo "$rootfs_len $rootfs_data_len 0x40" | awk -F' ' '{printf "%i",$1-$2-$3}')
local signature=$(dd if=$rootfs_mtd skip=$offset bs=1 count=4 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"')
if [ "$signature" == "27051956" ]; then
dd conv=notrunc if=$rootfs_mtd skip=$offset of=$firmware_mtd bs=1 count=64 2>/dev/null
fi
;;
esac
return 0
}
boot_hook_add preinit_main do_wnce2001_checksumming_disable
boot_hook_add preinit_main do_checksumming_disable

8
target/linux/ramips/dts/RTN56U.dts
View File

@@ -43,12 +43,20 @@
host-bridge {
pci-bridge@1 {
status = "okay";
wmac@0,0 {
compatible = "ralink,rt2880-pci", "pciclass060400", "pciclass0604";
reg = < 0x10000 0 0 0 0 >;
ralink,eeprom = "rt2x00pci_1_0.eeprom";
};
};
};
};
wmac@10180000 {
status = "okay";
ralink,2ghz = <0>;
ralink,eeprom = "soc_wmac.eeprom";
};
ehci@101c0000 {

8
target/linux/ramips/image/Makefile
View File

@@ -665,7 +665,13 @@ Image/Build/Profile/DIR645=$(call BuildFirmware/Seama/$(1),$(1),dir-645,DIR-645,
omniembhpm_mtd_size=16449536
Image/Build/Profile/OMNIEMBHPM=$(call BuildFirmware/CustomFlash/$(1),$(1),omni-emb-hpm,OMNI-EMB-HPM,$(omniembhpm_mtd_size))
Image/Build/Profile/RTN56U=$(call BuildFirmware/Default8M/$(1),$(1),rt-n56u,RTN56U)
define BuildFirmware/RTN56U/squashfs
$(call BuildFirmware/Default8M/$(1),$(1),rt-n56u,RTN56U)
-mkrtn56uimg -s $(call sysupname,$(1),rt-n56u)
-cp $(call sysupname,$(1),rt-n56u) $(call imgname,$(1),rt-n56u)-factory.bin
-mkrtn56uimg -f $(call imgname,$(1),rt-n56u)-factory.bin
endef
Image/Build/Profile/RTN56U=$(call BuildFirmware/RTN56U/$(1),$(1),rt-n56u,RTN56U)
Image/Build/Profile/TEW691GR=$(call BuildFirmware/UMedia/$(1),$(1),tew-691gr,TEW-691GR,0x026910)

28
target/linux/ramips/patches-3.10/0135-mtd-add-rtn56u-support.patch Normal file
View File

@@ -0,0 +1,28 @@
--- a/drivers/mtd/mtdpart.c 2014-04-27 10:09:21.566294160 +0300
+++ b/drivers/mtd/mtdpart.c 2014-06-09 11:27:48.952211672 +0300
@@ -793,8 +793,11 @@
{
struct {
__be32 magic;
- __be32 pad[2];
+ __be32 pad0[2];
__be32 size;
+ __be32 pad1[4];
+ __be32 name[7];
+ __be32 kern_size;
} hdr;
size_t len;
@@ -804,7 +807,11 @@
if (len != sizeof(hdr) || hdr.magic != cpu_to_be32(UBOOT_MAGIC))
return;
- len = be32_to_cpu(hdr.size) + 0x40;
+ if (hdr.kern_size != 0 && hdr.name[0] == 0)
+ len = be32_to_cpu(hdr.kern_size);
+ else
+ len = be32_to_cpu(hdr.size) + 0x40;
+
__mtd_add_partition(master, "rootfs", part->offset + len,
part->mtd.size - len, false);
}