Re: [U-Boot] [PATCH 2/5] ls2080: Disable dcache during ddr init

2016-05-18 Thread Prabhakar Kushwaha
Hi Alex, > -Original Message- > From: U-Boot [mailto:u-boot-boun...@lists.denx.de] On Behalf Of > Alexander Graf > Sent: Friday, May 13, 2016 5:52 PM > To: u-boot@lists.denx.de > Subject: [U-Boot] [PATCH 2/5] ls2080: Disable dcache during ddr init > > While try

Re: [U-Boot] [PATCH 2/5] ls2080: Disable dcache during ddr init

2016-05-13 Thread Alexander Graf
On 13.05.16 18:28, York Sun wrote: > On 05/13/2016 05:21 AM, Alexander Graf wrote: >> While trying something completely different I saw the DDR probe hang on >> boot reliably depending on how big my code ended up. Adding simple "nop" >> instructions in my code (completely unrelated) flow made the

Re: [U-Boot] [PATCH 2/5] ls2080: Disable dcache during ddr init

2016-05-13 Thread York Sun
On 05/13/2016 05:21 AM, Alexander Graf wrote: > While trying something completely different I saw the DDR probe hang on > boot reliably depending on how big my code ended up. Adding simple "nop" > instructions in my code (completely unrelated) flow made the DDR probe > work again. > > So we're acc

[U-Boot] [PATCH 2/5] ls2080: Disable dcache during ddr init

2016-05-13 Thread Alexander Graf
While trying something completely different I saw the DDR probe hang on boot reliably depending on how big my code ended up. Adding simple "nop" instructions in my code (completely unrelated) flow made the DDR probe work again. So we're accessing some RAM - probably the page table - and rely on th