[U-Boot] [PATCH v5 07/13] README: document standard image variables
With these documented, we can start pushing towards standardizing their use across boards. Signed-off-by: Jason Hobbs Cc: Mike Frysinger --- new in v4 changes in v5: - moved the doc into README alongside the other environment variables. README | 19 +++ 1 files changed, 19 insertions(+), 0 deletions(-) diff --git a/README b/README index 0886987..da4a230 100644 --- a/README +++ b/README @@ -3507,6 +3507,25 @@ List of environment variables (most likely not complete): Ethernet is encapsulated/received over 802.1q VLAN tagged frames. +The following image location variables contain the location of images +used in booting. The "Image" column gives the role of the image and is +not an environment variable name. The other columns are environment +variable names. "File Name" gives the name of the file on a TFTP +server, "RAM Address" gives the location in RAM the image will be +loaded to, and "Flash Location" gives the image's address in NOR +flash or offset in NAND flash. + +*Note* - these variables don't have to be defined for all boards, some +boards currenlty use other variables for these purposes, and some +boards use these variables for other purposes. + +Image File NameRAM Address Flash Location +- ---- -- +u-boot u-boot u-boot_addr_r u-boot_addr +Linux kernelbootfile kernel_addr_r kernel_addr +device tree blobfdtfile fdt_addr_rfdt_addr +ramdisk ramdiskfile ramdisk_addr_rramdisk_addr + The following environment variables may be used and automatically updated by the network boot commands ("bootp" and "rarpboot"), depending the information provided by your boot server: -- 1.7.0.4 ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
Re: [U-Boot] [PATCH v5 07/13] README: document standard image variables
Dear "Jason Hobbs", In message <1314805054-16250-8-git-send-email-jason.ho...@calxeda.com> you wrote: > With these documented, we can start pushing towards standardizing their > use across boards. > > Signed-off-by: Jason Hobbs > Cc: Mike Frysinger > --- > new in v4 > > changes in v5: > - moved the doc into README alongside the other environment variables. > > README | 19 +++ > 1 files changed, 19 insertions(+), 0 deletions(-) > > diff --git a/README b/README > index 0886987..da4a230 100644 > --- a/README > +++ b/README > @@ -3507,6 +3507,25 @@ List of environment variables (most likely not > complete): > Ethernet is encapsulated/received over 802.1q > VLAN tagged frames. Applied, thanks. Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de No one wants war. -- Kirk, "Errand of Mercy", stardate 3201.7 ___ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot