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author | Tom Rini <trini@konsulko.com> | 2016-05-25 20:22:48 -0400 |
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committer | Tom Rini <trini@konsulko.com> | 2016-05-25 20:22:48 -0400 |
commit | 6523dbf7cce8d8c903346f756e0e41e46ce6d6b9 (patch) | |
tree | 0e099cd46a629e7723ed76d386bfaa8fe16d6453 /drivers/core | |
parent | f9a90ace21c52a5a6948b9f3a0d8fe088e47a595 (diff) | |
parent | 4349b55b9953d0bb591f13ca9985edf591348ced (diff) | |
download | talos-obmc-uboot-6523dbf7cce8d8c903346f756e0e41e46ce6d6b9.tar.gz talos-obmc-uboot-6523dbf7cce8d8c903346f756e0e41e46ce6d6b9.zip |
Merge branch 'master' of git://git.denx.de/u-boot-mips
Diffstat (limited to 'drivers/core')
-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 |