From mboxrd@z Thu Jan 1 00:00:00 1970 From: paweljarosz3691@gmail.com (=?UTF-8?Q?Pawe=c5=82_Jarosz?=) Date: Wed, 5 Oct 2016 08:09:17 +0200 Subject: [PATCH] ARM: dts: rockchip: Reserve unusable memory region on rk3066 In-Reply-To: <6239b970-09d3-f7ee-e6f5-c019eaedb725@rock-chips.com> References: <20161001140939.GA31220@vaio-ubuntu> <6239b970-09d3-f7ee-e6f5-c019eaedb725@rock-chips.com> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi W dniu 05.10.2016 o 04:27, Huang, Tao pisze: > Hi, Pawe?: > On 2016?10?01? 22:09, =?UTF-8?q?Pawe=C5=82=20Jarosz?= wrote: >> For some reason accessing memory region above 0xfe000000 freezes >> system on rk3066. There is similiar bug on later rockchip soc (rk3288) > RK3066 only support 2GB memory from 0x60000000 to 0xE0000000, can not access > above 0xfe000000. I think you mean 0x9F000000? Yes i meant 0x9F00000. Sorry for that. > I don't remember RK3066 has such limit. I will double check with our IC > design team. > Do you know which master can not access this memory area > [0x9F000000~0xA0000000)? I don't. > Could you please tell which board you're using (and how much memory it has) Rikomagic MK808 1GB RAM Thanks Pawel