diff options
author | Stefano Babic <sbabic@denx.de> | 2016-06-18 10:24:54 +0200 |
---|---|---|
committer | Stefano Babic <sbabic@denx.de> | 2016-06-18 10:25:13 +0200 |
commit | dc557e9a1fe00ca9d884bd88feef5bebf23fede4 (patch) | |
tree | ec09fdf8f7c4c44e30f4b38b7459a2cbbb71d094 /drivers/core/Kconfig | |
parent | d2ba7a6adcef6e6f8c4418c7b0caf9d7ab98a6d4 (diff) | |
parent | 6b3943f1b04be60f147ee540fbd72c4c7ea89f80 (diff) | |
download | talos-obmc-uboot-dc557e9a1fe00ca9d884bd88feef5bebf23fede4.tar.gz talos-obmc-uboot-dc557e9a1fe00ca9d884bd88feef5bebf23fede4.zip |
Merge branch 'master' of git://git.denx.de/u-boot
Signed-off-by: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'drivers/core/Kconfig')
-rw-r--r-- | drivers/core/Kconfig | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/core/Kconfig b/drivers/core/Kconfig index c5c9d2a42e..87495614c2 100644 --- a/drivers/core/Kconfig +++ b/drivers/core/Kconfig @@ -178,4 +178,27 @@ config SPL_OF_TRANSLATE used for the address translation. This function is faster and smaller in size than fdt_translate_address(). +config OF_ISA_BUS + bool + depends on OF_TRANSLATE + help + Is this option is enabled then support for the ISA bus will + be included for addresses read from DT. This is something that + should be known to be required or not based upon the board + being targetted, and whether or not it makes use of an ISA bus. + + The bus is matched based upon its node name equalling "isa". The + busses #address-cells should equal 2, with the first cell being + used to hold flags & flag 0x1 indicating that the address range + should be accessed using I/O port in/out accessors. The second + cell holds the offset into ISA bus address space. The #size-cells + property should equal 1, and of course holds the size of the + address range used by a device. + + If this option is not enabled then support for the ISA bus is + not included and any such busses used in DT will be treated as + typical simple-bus compatible busses. This will lead to + mistranslation of device addresses, so ensure that this is + enabled if your board does include an ISA bus. + endmenu |