Hi folks, Update the MAINTAINERS file change. Thanks Aubrey for pointing out this old MAINTAINERS file.
Signed-off-by: Bryan Wu <[EMAIL PROTECTED]> --- Documentation/blackfin/00-INDEX | 11 ++ Documentation/blackfin/Filesystems | 169 +++++++++++++++++++++++++++++++ Documentation/blackfin/cache-lock.txt | 48 ++++++++ Documentation/blackfin/cachefeatures.txt | 65 +++++++++++ MAINTAINERS | 38 ++++++ 5 files changed, 331 insertions(+) Index: linux-2.6/Documentation/blackfin/00-INDEX =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ linux-2.6/Documentation/blackfin/00-INDEX 2007-02-06 11:37:24.000000000 +0800 @@ -0,0 +1,11 @@ +00-INDEX + - This file + +cache-lock.txt + - HOWTO for blackfin cache locking. + +cachefeatures.txt + - Supported cache features. + +Filesystems + - Requirements for mounting the root file system. Index: linux-2.6/Documentation/blackfin/Filesystems =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ linux-2.6/Documentation/blackfin/Filesystems 2007-02-06 11:37:24.000000000 +0800 @@ -0,0 +1,169 @@ +/* + * File: Documentation/blackfin/Filesystems + * Based on: + * Author: + * + * Created: + * Description: This file contains the simple DMA Implementation for Blackfin + * + * Rev: $Id: Filesystems 2384 2006-11-01 04:12:43Z magicyang $ + * + * Modified: + * Copyright 2004-2006 Analog Devices Inc. + * + * Bugs: Enter bugs at http://blackfin.uclinux.org/ + * + */ + + How to mount the root file system in uClinux/Blackfin + ----------------------------------------------------- + +1 Mounting EXT3 File system. + ------------------------ + + Creating an EXT3 File system for uClinux/Blackfin: + + +Please follow the steps to form the EXT3 File system and mount the same as root +file system. + +a Make an ext3 file system as large as you want the final root file + system. + + mkfs.ext3 /dev/ram0 <your-rootfs-size-in-1k-blocks> + +b Mount this Empty file system on a free directory as: + + mount -t ext3 /dev/ram0 ./test + where ./test is the empty directory. + +c Copy your root fs directory that you have so carefully made over. + + cp -af /tmp/my_final_rootfs_files/* ./test + + (For ex: cp -af uClinux-dist/romfs/* ./test) + +d If you have done everything right till now you should be able to see + the required "root" dir's (that's etc, root, bin, lib, sbin...) + +e Now unmount the file system + + umount ./test + +f Create the root file system image. + + dd if=/dev/ram0 bs=1k count=<your-rootfs-size-in-1k-blocks> \ + > ext3fs.img + + +Now you have to tell the kernel that will be mounting this file system as +rootfs. +So do a make menuconfig under kernel and select the Ext3 journaling file system +support under File system --> submenu. + + +2. Mounting EXT2 File system. + ------------------------- + +By default the ext2 file system image will be created if you invoke make from +the top uClinux-dist directory. + + +3. Mounting CRAMFS File System + ---------------------------- + +To create a CRAMFS file system image execute the command + + mkfs.cramfs ./test cramfs.img + + where ./test is the target directory. + + +4. Mounting ROMFS File System + -------------------------- + +To create a ROMFS file system image execute the command + + genromfs -v -V "ROMdisk" -f romfs.img -d ./test + + where ./test is the target directory + + +5. Mounting the JFFS2 Filesystem + ----------------------------- + +To create a compressed JFFS filesystem (JFFS2), please execute the command + + mkfs.jffs2 -d ./test -o jffs2.img + + where ./test is the target directory. + +However, please make sure the following is in your kernel config. + +/* + * RAM/ROM/Flash chip drivers + */ +#define CONFIG_MTD_CFI 1 +#define CONFIG_MTD_ROM 1 +/* + * Mapping drivers for chip access + */ +#define CONFIG_MTD_COMPLEX_MAPPINGS 1 +#define CONFIG_MTD_BF533 1 +#undef CONFIG_MTD_UCLINUX + +Through the u-boot boot loader, use the jffs2.img in the corresponding +partition made in linux-2.6.x/drivers/mtd/maps/bf533_flash.c. + +NOTE - Currently the Flash driver is available only for EZKIT. Watch out for a + STAMP driver soon. + + +6. Mounting the NFS File system + ----------------------------- + + For mounting the NFS please do the following in the kernel config. + + In Networking Support --> Networking options --> TCP/IP networking --> + IP: kernel level autoconfiguration + + Enable BOOTP Support. + + In Kernel hacking --> Compiled-in kernel boot parameter add the following + + root=/dev/nfs rw ip=bootp + + In File system --> Network File system, Enable + + NFS file system support --> NFSv3 client support + Root File system on NFS + + in uClibc menuconfig, do the following + In Networking Support + enable Remote Procedure Call (RPC) support + Full RPC Support + + On the Host side, ensure that /etc/dhcpd.conf looks something like this + + ddns-update-style ad-hoc; + allow bootp; + subnet 10.100.4.0 netmask 255.255.255.0 { + default-lease-time 122209600; + max-lease-time 31557600; + group { + host bf533 { + hardware ethernet 00:CF:52:49:C3:01; + fixed-address 10.100.4.50; + option root-path "/home/nfsmount"; + } + } + + ensure that /etc/exports looks something like this + /home/nfsmount *(rw,no_root_squash,no_all_squash) + + run the following commands as root (may differ depending on your + distribution) : + - service nfs start + - service portmap start + - service dhcpd start + - /usr/sbin/exportfs Index: linux-2.6/Documentation/blackfin/cache-lock.txt =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ linux-2.6/Documentation/blackfin/cache-lock.txt 2007-02-06 11:37:24.000000000 +0800 @@ -0,0 +1,48 @@ +/* + * File: Documentation/blackfin/cache-lock.txt + * Based on: + * Author: + * + * Created: + * Description: This file contains the simple DMA Implementation for Blackfin + * + * Rev: $Id: cache-lock.txt 2384 2006-11-01 04:12:43Z magicyang $ + * + * Modified: + * Copyright 2004-2006 Analog Devices Inc. + * + * Bugs: Enter bugs at http://blackfin.uclinux.org/ + * + */ + +How to lock your code in cache in uClinux/blackfin +-------------------------------------------------- + +There are only a few steps required to lock your code into the cache. +Currently you can lock the code by Way. + +Below are the interface provided for locking the cache. + + +1. cache_grab_lock(int Ways); + +This function grab the lock for locking your code into the cache specified +by Ways. + + +2. cache_lock(int Ways); + +This function should be called after your critical code has been executed. +Once the critical code exits, the code is now loaded into the cache. This +function locks the code into the cache. + + +So, the example sequence will be: + + cache_grab_lock(WAY0_L); /* Grab the lock */ + + critical_code(); /* Execute the code of interest */ + + cache_lock(WAY0_L); /* Lock the cache */ + +Where WAY0_L signifies WAY0 locking. Index: linux-2.6/Documentation/blackfin/cachefeatures.txt =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ linux-2.6/Documentation/blackfin/cachefeatures.txt 2007-02-06 11:37:24.000000000 +0800 @@ -0,0 +1,65 @@ +/* + * File: Documentation/blackfin/cachefeatures.txt + * Based on: + * Author: + * + * Created: + * Description: This file contains the simple DMA Implementation for Blackfin + * + * Rev: $Id: cachefeatures.txt 2384 2006-11-01 04:12:43Z magicyang $ + * + * Modified: + * Copyright 2004-2006 Analog Devices Inc. + * + * Bugs: Enter bugs at http://blackfin.uclinux.org/ + * + */ + + - Instruction and Data cache initialization. + icache_init(); + dcache_init(); + + - Instruction and Data cache Invalidation Routines, when flushing the + same is not required. + _icache_invalidate(); + _dcache_invalidate(); + + Also, for invalidating the entire instruction and data cache, the below + routines are provided (another method for invalidation, refer page no 267 and 287 of + ADSP-BF533 Hardware Reference manual) + + invalidate_entire_dcache(); + invalidate_entire_icache(); + + -External Flushing of Instruction and data cache routines. + + flush_instruction_cache(); + flush_data_cache(); + + - Internal Flushing of Instruction and Data Cache. + + icplb_flush(); + dcplb_flush(); + + - Locking the cache. + + cache_grab_lock(); + cache_lock(); + + Please refer linux-2.6.x/Documentation/blackfin/cache-lock.txt for how to + lock the cache. + + Locking the cache is optional feature. + + - Miscellaneous cache functions. + + flush_cache_all(); + flush_cache_mm(); + invalidate_dcache_range(); + flush_dcache_range(); + flush_dcache_page(); + flush_cache_range(); + flush_cache_page(); + invalidate_dcache_range(); + flush_page_to_ram(); + Index: linux-2.6/MAINTAINERS =================================================================== --- linux-2.6.orig/MAINTAINERS 2007-02-06 02:54:24.000000000 +0800 +++ linux-2.6/MAINTAINERS 2007-02-06 11:39:47.000000000 +0800 @@ -637,6 +637,44 @@ W: http://www.linux-ax25.org/ S: Maintained +BLACKFIN ARCHITECTURE +P: Aubrey Li +M: [EMAIL PROTECTED] +P: Bernd Schmidt +M: [EMAIL PROTECTED] +P: Bryan Wu +M: [EMAIL PROTECTED] +P: Grace Pan +M: [EMAIL PROTECTED] +P: Michael Hennerich +M: [EMAIL PROTECTED] +P: Mike Frysinger +M: [EMAIL PROTECTED] +P: Jean Lv +M: [EMAIL PROTECTED] +P: Jerry Zeng +M: [EMAIL PROTECTED] +P: Jie Zhang +M: [EMAIL PROTECTED] +P: Robin Getz +M: [EMAIL PROTECTED] +P: Roy Huang +M: [EMAIL PROTECTED] +P: Sonic Zhang +M: [EMAIL PROTECTED] +P: Yi Li +M: [EMAIL PROTECTED] +L: [EMAIL PROTECTED] +W: http://blackfin.uclinux.org +S: Supported + +BLACKFIN SERIAL DRIVER +P: Aubrey Li +M: [EMAIL PROTECTED] +L: [EMAIL PROTECTED] +W: http://blackfin.uclinux.org +S: Supported + BAYCOM/HDLCDRV DRIVERS FOR AX.25 P: Thomas Sailer M: [EMAIL PROTECTED] --- Thanks a lot Best Regards Bryan Wu <[EMAIL PROTECTED]> On Tue, 2007-02-06 at 11:20 +0800, Wu, Bryan wrote: > Hi everyone, > > This is the documents patch for Blackfin arch, also includes the MAINTAINERS > file change. > > Thank Mike, I update this patch and regenerate it in -p1 format. > > Sorry for starting a new thread, because I switch to a new email client. > > Signed-off-by: Bryan Wu <[EMAIL PROTECTED]> > --- > Documentation/blackfin/00-INDEX | 11 ++ > Documentation/blackfin/Filesystems | 169 > +++++++++++++++++++++++++++++++ > Documentation/blackfin/cache-lock.txt | 48 ++++++++ > Documentation/blackfin/cachefeatures.txt | 65 +++++++++++ > MAINTAINERS | 30 +++++ > 5 files changed, 323 insertions(+) > Index: linux-2.6/Documentation/blackfin/00-INDEX > =================================================================== > --- /dev/null 1970-01-01 00:00:00.000000000 +0000 > +++ linux-2.6/Documentation/blackfin/00-INDEX 2007-02-06 01:20:13.000000000 > +0800 > @@ -0,0 +1,11 @@ > +00-INDEX > + - This file > + > +cache-lock.txt > + - HOWTO for blackfin cache locking. > + > +cachefeatures.txt > + - Supported cache features. > + > +Filesystems > + - Requirements for mounting the root file system. > Index: linux-2.6/Documentation/blackfin/Filesystems > =================================================================== > --- /dev/null 1970-01-01 00:00:00.000000000 +0000 > +++ linux-2.6/Documentation/blackfin/Filesystems 2007-02-06 > 01:20:13.000000000 +0800 > @@ -0,0 +1,169 @@ > +/* > + * File: Documentation/blackfin/Filesystems > + * Based on: > + * Author: > + * > + * Created: > + * Description: This file contains the simple DMA Implementation for > Blackfin > + * > + * Rev: $Id: Filesystems 2384 2006-11-01 04:12:43Z magicyang $ > + * > + * Modified: > + * Copyright 2004-2006 Analog Devices Inc. > + * > + * Bugs: Enter bugs at http://blackfin.uclinux.org/ > + * > + */ > + > + How to mount the root file system in uClinux/Blackfin > + ----------------------------------------------------- > + > +1 Mounting EXT3 File system. > + ------------------------ > + > + Creating an EXT3 File system for uClinux/Blackfin: > + > + > +Please follow the steps to form the EXT3 File system and mount the same as > root > +file system. > + > +a Make an ext3 file system as large as you want the final root file > + system. > + > + mkfs.ext3 /dev/ram0 <your-rootfs-size-in-1k-blocks> > + > +b Mount this Empty file system on a free directory as: > + > + mount -t ext3 /dev/ram0 ./test > + where ./test is the empty directory. > + > +c Copy your root fs directory that you have so carefully made over. > + > + cp -af /tmp/my_final_rootfs_files/* ./test > + > + (For ex: cp -af uClinux-dist/romfs/* ./test) > + > +d If you have done everything right till now you should be able to see > + the required "root" dir's (that's etc, root, bin, lib, sbin...) > + > +e Now unmount the file system > + > + umount ./test > + > +f Create the root file system image. > + > + dd if=/dev/ram0 bs=1k count=<your-rootfs-size-in-1k-blocks> \ > + > ext3fs.img > + > + > +Now you have to tell the kernel that will be mounting this file system as > +rootfs. > +So do a make menuconfig under kernel and select the Ext3 journaling file > system > +support under File system --> submenu. > + > + > +2. Mounting EXT2 File system. > + ------------------------- > + > +By default the ext2 file system image will be created if you invoke make from > +the top uClinux-dist directory. > + > + > +3. Mounting CRAMFS File System > + ---------------------------- > + > +To create a CRAMFS file system image execute the command > + > + mkfs.cramfs ./test cramfs.img > + > + where ./test is the target directory. > + > + > +4. Mounting ROMFS File System > + -------------------------- > + > +To create a ROMFS file system image execute the command > + > + genromfs -v -V "ROMdisk" -f romfs.img -d ./test > + > + where ./test is the target directory > + > + > +5. Mounting the JFFS2 Filesystem > + ----------------------------- > + > +To create a compressed JFFS filesystem (JFFS2), please execute the command > + > + mkfs.jffs2 -d ./test -o jffs2.img > + > + where ./test is the target directory. > + > +However, please make sure the following is in your kernel config. > + > +/* > + * RAM/ROM/Flash chip drivers > + */ > +#define CONFIG_MTD_CFI 1 > +#define CONFIG_MTD_ROM 1 > +/* > + * Mapping drivers for chip access > + */ > +#define CONFIG_MTD_COMPLEX_MAPPINGS 1 > +#define CONFIG_MTD_BF533 1 > +#undef CONFIG_MTD_UCLINUX > + > +Through the u-boot boot loader, use the jffs2.img in the corresponding > +partition made in linux-2.6.x/drivers/mtd/maps/bf533_flash.c. > + > +NOTE - Currently the Flash driver is available only for EZKIT. Watch > out for a > + STAMP driver soon. > + > + > +6. Mounting the NFS File system > + ----------------------------- > + > + For mounting the NFS please do the following in the kernel config. > + > + In Networking Support --> Networking options --> TCP/IP networking --> > + IP: kernel level autoconfiguration > + > + Enable BOOTP Support. > + > + In Kernel hacking --> Compiled-in kernel boot parameter add the > following > + > + root=/dev/nfs rw ip=bootp > + > + In File system --> Network File system, Enable > + > + NFS file system support --> NFSv3 client support > + Root File system on NFS > + > + in uClibc menuconfig, do the following > + In Networking Support > + enable Remote Procedure Call (RPC) support > + Full RPC Support > + > + On the Host side, ensure that /etc/dhcpd.conf looks something like this > + > + ddns-update-style ad-hoc; > + allow bootp; > + subnet 10.100.4.0 netmask 255.255.255.0 { > + default-lease-time 122209600; > + max-lease-time 31557600; > + group { > + host bf533 { > + hardware ethernet 00:CF:52:49:C3:01; > + fixed-address 10.100.4.50; > + option root-path "/home/nfsmount"; > + } > + } > + > + ensure that /etc/exports looks something like this > + /home/nfsmount *(rw,no_root_squash,no_all_squash) > + > + run the following commands as root (may differ depending on your > + distribution) : > + - service nfs start > + - service portmap start > + - service dhcpd start > + - /usr/sbin/exportfs > Index: linux-2.6/Documentation/blackfin/cache-lock.txt > =================================================================== > --- /dev/null 1970-01-01 00:00:00.000000000 +0000 > +++ linux-2.6/Documentation/blackfin/cache-lock.txt 2007-02-06 > 01:20:13.000000000 +0800 > @@ -0,0 +1,48 @@ > +/* > + * File: Documentation/blackfin/cache-lock.txt > + * Based on: > + * Author: > + * > + * Created: > + * Description: This file contains the simple DMA Implementation for > Blackfin > + * > + * Rev: $Id: cache-lock.txt 2384 2006-11-01 04:12:43Z magicyang $ > + * > + * Modified: > + * Copyright 2004-2006 Analog Devices Inc. > + * > + * Bugs: Enter bugs at http://blackfin.uclinux.org/ > + * > + */ > + > +How to lock your code in cache in uClinux/blackfin > +-------------------------------------------------- > + > +There are only a few steps required to lock your code into the cache. > +Currently you can lock the code by Way. > + > +Below are the interface provided for locking the cache. > + > + > +1. cache_grab_lock(int Ways); > + > +This function grab the lock for locking your code into the cache specified > +by Ways. > + > + > +2. cache_lock(int Ways); > + > +This function should be called after your critical code has been executed. > +Once the critical code exits, the code is now loaded into the cache. This > +function locks the code into the cache. > + > + > +So, the example sequence will be: > + > + cache_grab_lock(WAY0_L); /* Grab the lock */ > + > + critical_code(); /* Execute the code of interest */ > + > + cache_lock(WAY0_L); /* Lock the cache */ > + > +Where WAY0_L signifies WAY0 locking. > Index: linux-2.6/Documentation/blackfin/cachefeatures.txt > =================================================================== > --- /dev/null 1970-01-01 00:00:00.000000000 +0000 > +++ linux-2.6/Documentation/blackfin/cachefeatures.txt 2007-02-06 > 01:20:13.000000000 +0800 > @@ -0,0 +1,65 @@ > +/* > + * File: Documentation/blackfin/cachefeatures.txt > + * Based on: > + * Author: > + * > + * Created: > + * Description: This file contains the simple DMA Implementation for > Blackfin > + * > + * Rev: $Id: cachefeatures.txt 2384 2006-11-01 04:12:43Z magicyang $ > + * > + * Modified: > + * Copyright 2004-2006 Analog Devices Inc. > + * > + * Bugs: Enter bugs at http://blackfin.uclinux.org/ > + * > + */ > + > + - Instruction and Data cache initialization. > + icache_init(); > + dcache_init(); > + > + - Instruction and Data cache Invalidation Routines, when flushing the > + same is not required. > + _icache_invalidate(); > + _dcache_invalidate(); > + > + Also, for invalidating the entire instruction and data cache, the below > + routines are provided (another method for invalidation, refer page no > 267 and 287 of > + ADSP-BF533 Hardware Reference manual) > + > + invalidate_entire_dcache(); > + invalidate_entire_icache(); > + > + -External Flushing of Instruction and data cache routines. > + > + flush_instruction_cache(); > + flush_data_cache(); > + > + - Internal Flushing of Instruction and Data Cache. > + > + icplb_flush(); > + dcplb_flush(); > + > + - Locking the cache. > + > + cache_grab_lock(); > + cache_lock(); > + > + Please refer linux-2.6.x/Documentation/blackfin/cache-lock.txt for how > to > + lock the cache. > + > + Locking the cache is optional feature. > + > + - Miscellaneous cache functions. > + > + flush_cache_all(); > + flush_cache_mm(); > + invalidate_dcache_range(); > + flush_dcache_range(); > + flush_dcache_page(); > + flush_cache_range(); > + flush_cache_page(); > + invalidate_dcache_range(); > + flush_page_to_ram(); > + > Index: linux-2.6/MAINTAINERS > =================================================================== > --- linux-2.6.orig/MAINTAINERS 2007-02-06 01:13:42.000000000 +0800 > +++ linux-2.6/MAINTAINERS 2007-02-06 02:19:15.000000000 +0800 > @@ -637,6 +637,36 @@ > W: http://www.linux-ax25.org/ > S: Maintained > > +BLACKFIN ARCHITECTURE > +P: Aubery Li > +M: [EMAIL PROTECTED] > +P: Bernd Schmidt > +M: [EMAIL PROTECTED] > +P: Bryan Wu > +M: [EMAIL PROTECTED] > +P: Michael Hennerich > +M: [EMAIL PROTECTED] > +P: Mike Frysinger > +M: [EMAIL PROTECTED] > +P: Jie Zhang > +M: [EMAIL PROTECTED] > +P: Robin Getz > +M: [EMAIL PROTECTED] > +P: Roy Huang > +M: [EMAIL PROTECTED] > +P: Sonic Zhang > +M: [EMAIL PROTECTED] > +L: [EMAIL PROTECTED] > +W: http://blackfin.uclinux.org > +S: Supported > + > +BLACKFIN SERIAL DRIVER > +P: Sonic Zhang > +M: [EMAIL PROTECTED] > +L: [EMAIL PROTECTED] > +W: http://blackfin.uclinux.org > +S: Supported > + > BAYCOM/HDLCDRV DRIVERS FOR AX.25 > P: Thomas Sailer > M: [EMAIL PROTECTED] > --- > > Thanks a lot > Best Regards > Bryan Wu <[EMAIL PROTECTED]> > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to [EMAIL PROTECTED] > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
