diff options
author | Adrian Chadd <adrian@FreeBSD.org> | 2011-11-24 04:39:01 +0000 |
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committer | Adrian Chadd <adrian@FreeBSD.org> | 2011-11-24 04:39:01 +0000 |
commit | 35d1603e8ad9c3d674793813e38147c990853efa (patch) | |
tree | f82f4611db557288aaa72c2df65f2b847c42a7e6 | |
parent | 5c85f74c6488dc1da9b3d9b099388838e4bb318b (diff) | |
download | src-35d1603e8ad9c3d674793813e38147c990853efa.tar.gz src-35d1603e8ad9c3d674793813e38147c990853efa.zip |
Flesh out a geom_map setup, so the kernel can be squeezed _onto_ the device.
The default flash layout gives only 1 megabyte for the kernel, gzipped.
The uboot firmware running on this device only supports gzip, not lzma, so
we actually _do_ have to try and slim the kernel down a bit.
But, since I can't actually do that at the present, I'm opting to:
* extend the kernel from 1mb to 2mb;
* have rootfs fill the rest of that, save 64k;
* eventually I'll hide a 64k config partition at the end, between the
end of rootfs and the ART (radio configuration data.)
The uboot firmware doesn't care about the partition layout. It just
expects the kernel application image to sit at 0xbf020000 (right after
the 128k uboot image.) The uboot header isn't actually read either -
it's "faked" from a "tplink" flash image header. So as long as the
map configuration here matches what is being written out via the
tplink firmware generator, everything is a-ok.
Notes
Notes:
svn path=/head/; revision=227921
-rw-r--r-- | sys/mips/conf/TP-WN1043ND | 13 | ||||
-rw-r--r-- | sys/mips/conf/TP-WN1043ND.hints | 54 |
2 files changed, 61 insertions, 6 deletions
diff --git a/sys/mips/conf/TP-WN1043ND b/sys/mips/conf/TP-WN1043ND index cc68a31525dc..cb0d6f518eee 100644 --- a/sys/mips/conf/TP-WN1043ND +++ b/sys/mips/conf/TP-WN1043ND @@ -20,11 +20,12 @@ options MSDOSFS options GEOM_PART_BSD options GEOM_PART_MBR -# Just make sure the thing boots off of the first attached SCSI device for now! -#options ROOTDEVNAME=\"ufs:da0a\" -# Or an MDROOT for testing. -options MD_ROOT -options MD_ROOT_SIZE=5120 +# uzip - to boot natively from flash device geom_uzip options GEOM_UZIP -options ROOTDEVNAME=\"ufs:/dev/md0.uzip\" + +# Used for the static uboot partition map +device geom_map + +# Boot off of the rootfs, as defined in the geom_map setup. +options ROOTDEVNAME=\"ufs:map/rootfs.uzip\" diff --git a/sys/mips/conf/TP-WN1043ND.hints b/sys/mips/conf/TP-WN1043ND.hints index e43d7b9b9d17..fbaead5c8c4e 100644 --- a/sys/mips/conf/TP-WN1043ND.hints +++ b/sys/mips/conf/TP-WN1043ND.hints @@ -17,3 +17,57 @@ hint.arge.1.phymask=0x0 # Where the ART is hint.ath.0.eepromaddr=0x1fff1000 + +# +# Define a slightly custom flash layout. + +# The default flash layout: +# +# 128k: uboot +# 1024k: kernel +# 4096k: rootfs +# 2880k: unknown +# 64k: ART +# +# from printenv: +# bootargs=console=ttyS0,115200 root=31:02 rootfstype=jffs2 init=/sbin/init +# mtdparts=ar9100-nor0:128k(u-boot),1024k(kernel),4096k(rootfs),64k(art) + +# This isn't a lot of space! +# So: +# 128k: uboot +# 2048k: kernel +# 5888k: rootfs +# (todo: 64k: config) +# 64k: ART + +hint.map.0.at="flash/spi0" +hint.map.0.start=0x00000000 +hint.map.0.end=0x000200000 +hint.map.0.name="uboot" +hint.map.0.readonly=1 + +hint.map.1.at="flash/spi0" +hint.map.1.start=0x00020000 +hint.map.1.end=0x00220000 +hint.map.1.name="kernel" +hint.map.1.readonly=1 + +hint.map.2.at="flash/spi0" +hint.map.2.start=0x00220000 +#hint.map.2.end=0x007e0000 +hint.map.2.end=0x007f0000 +hint.map.2.name="rootfs" +hint.map.2.readonly=1 + +#hint.map.3.at="flash/spi0" +#hint.map.3.start=0x007e0000 +#hint.map.3.end=0x007f0000 +#hint.map.3.name="cfg" +#hint.map.3.readonly=1 + +hint.map.4.at="flash/spi0" +hint.map.4.start=0x007f0000 +hint.map.4.end=0x00800000 +hint.map.4.name="art" +hint.map.4.readonly=1 |