mirror of
https://github.com/hardkernel/linux.git
synced 2026-06-06 02:50:49 +09:00
ea41602d3b
commit43d5f5d636upstream. The 32-bit memory resource is needed for non-prefetchable memory allocations on the PCIe bus, however with some cards (such as the SM768) the system fails to allocate memory from this. Checking the allocation against the datasheet, it looks like there has been a mis-calcualation of the resource for the first memory region (0x0060090000..0x0070ffffff) which in the data-sheet for the fu740 (v1p2) is from 0x0060000000..0x007fffffff. Changing this to allocate from 0x0060090000..0x007fffffff fixes the probing issues. Fixes:ae80d51480("riscv: dts: Add PCIe support for the SiFive FU740-C000 SoC") Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Greentime Hu <greentime.hu@sifive.com> Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> Cc: stable@vger.kernel.org Tested-by: Ron Economos <re@w6rz.net> # from IRC Reviewed-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.