ARM: dts: artpec: disable Accelerator Coherency Port

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

Accesses via 0x80000000 go through the ACP instead of using the DDR
directly.

Unfortunately the ACP has proven to be the cause of complete system
hangs. Disabling the ACP makes these problems go away.

Signed-off-by: Niklas Cassel <niklas.cassel@axis.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

authored by

Niklas Cassel and committed by

Arnd Bergmann 8 years ago 0fc12374 661e50bc

+1 -2

1 changed file

expand all

arch

arm

boot

dts

artpec6.dtsi

+1 -2

arch/arm/boot/dts/artpec6.dtsi

··· 185 185 #address-cells = <0x1>; 186 186 #size-cells = <0x1>; 187 187 ranges; 188 - dma-ranges = <0x80000000 0x00000000 0x40000000>; 189 - dma-coherent; 188 + dma-ranges; 190 189 191 190 ethernet: ethernet@f8010000 { 192 191 clock-names = "phy_ref_clk", "apb_pclk";