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12453 Discussions

ACP issue with Arria 10 device in linux.

Altera_Forum
Honored Contributor II
871 Views

Hi,  

 

Because HPS in Arria-10 is different to old devices, So have to open a new thread. 

 

 

commit 60fd5d498abedaee238effc63af806453bd87836 

Author: Matthew Gerlach <mgerlach@opensource.altera.com

Date: Tue Jul 14 18:14:59 2015 -0700 

 

 

 

 

current status: 

 

  1. The rtl code and linux device driver work fine without enable dma-coherent. 

  2. SMP bit set to 1 in ACTLR register, and the linux also SMP enabled, SCU enabled also set. 

  3. page set to cached, and shared. 

  4. dma-coherent flag in device tree with the device. 

  5. aruser set to 0x1f, arcache set to 0xf, arprot set to 1. 

 

 

Thanks. 

http://www.alteraforum.com/forum/attachment.php?attachmentid=12056&stc=1  

 

 

 

 

- 0xEE500000 | Section | | SP:0x2E500000 | NS=0, nG=0, S=1, AP=0x1, TEX=0x1, Domain=0, XN=1, C=1, B=1, PXN=0 

 

 

 

 

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