kernel.git/arch/c6x/kernel/dma.c, branch linux-3.18.y Hosts the 0x221E linux distro kernel. https://git.0xinfinity.dev/distro/kernel.git/atom?h=linux-3.18.y 2011-10-06T23:47:37Z C6X: memory management and DMA support 2011-10-06T23:47:37Z Aurelien Jacquiot 2011-10-04T16:17:19Z urn:sha1:14aa7e8bf6d84c9a42c48e7f93472d830f694b1e Original port to early 2.6 kernel using TI COFF toolchain. Brought up to date by Mark Salter <msalter@redhat.com> The C6X architecture currently lacks an MMU so memory management is relatively simple. There is no bus snooping between L2 and main memory but coherent DMA memory is supported by making regions of main memory uncached. If such a region is desired, it can be specified on the commandline with a "memdma=" argument. Signed-off-by: Aurelien Jacquiot <a-jacquiot@ti.com> Signed-off-by: Mark Salter <msalter@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de>