Re: [linux-sunxi] Is it possible to boot the A13 chip without DDR3 RAM?

2015-10-06 Thread jonsm...@gmail.com
On Tue, Oct 6, 2015 at 3:09 AM, Alexis Jeandet wrote: > Hi Jon, > > On Monday, October 5, 2015 at 12:19:50 AM UTC+2, Jon Smirl wrote: >> >> On Sun, Oct 4, 2015 at 6:14 PM, jons...@gmail.com >> wrote: >> > On Sun, Oct 4, 2015 at 4:26 AM, Alexis Jeandet >> > wrote: >> >> >> >> Hi, >> >> On Saturda

Re: [linux-sunxi] Is it possible to boot the A13 chip without DDR3 RAM?

2015-10-06 Thread Alexis Jeandet
Hi Rock Slate, On Sunday, October 4, 2015 at 12:31:50 PM UTC+2, Rock Slate wrote: > > Hi Alexis, > > I am working on something extremely similar. What are you trying to do > with FPGA ? > > >>> In my lab we plan to develop a kind of tablet with a A20 and a FPGA. Then this tablet would be used f

Re: [linux-sunxi] Is it possible to boot the A13 chip without DDR3 RAM?

2015-10-06 Thread Alexis Jeandet
Hi Jon, On Monday, October 5, 2015 at 12:19:50 AM UTC+2, Jon Smirl wrote: > > On Sun, Oct 4, 2015 at 6:14 PM, jons...@gmail.com < > jons...@gmail.com > wrote: > > On Sun, Oct 4, 2015 at 4:26 AM, Alexis Jeandet > wrote: > >> > >> Hi, > >> On Saturday, October 3, 2015 at 1:39:55 PM UTC+2, Jon

Re: [linux-sunxi] Is it possible to boot the A13 chip without DDR3 RAM?

2015-10-04 Thread jonsm...@gmail.com
On Sun, Oct 4, 2015 at 6:14 PM, jonsm...@gmail.com wrote: > On Sun, Oct 4, 2015 at 4:26 AM, Alexis Jeandet > wrote: >> >> Hi, >> On Saturday, October 3, 2015 at 1:39:55 PM UTC+2, Jon Smirl wrote: >>> >>> On Sat, Oct 3, 2015 at 3:53 AM, Rock Slate wrote: >>> > Wow, that's a really detailed respo

Re: [linux-sunxi] Is it possible to boot the A13 chip without DDR3 RAM?

2015-10-04 Thread jonsm...@gmail.com
On Sun, Oct 4, 2015 at 4:26 AM, Alexis Jeandet wrote: > > Hi, > On Saturday, October 3, 2015 at 1:39:55 PM UTC+2, Jon Smirl wrote: >> >> On Sat, Oct 3, 2015 at 3:53 AM, Rock Slate wrote: >> > Wow, that's a really detailed response. Thanks a lot for the pointers. I >> > will definitely look into t

Re: [linux-sunxi] Is it possible to boot the A13 chip without DDR3 RAM?

2015-10-04 Thread Rock Slate
Hi Alexis, I am working on something extremely similar. What are you trying to do with FPGA ? On Sun, Oct 4, 2015 at 1:56 PM, Alexis Jeandet wrote: > > Hi, > On Saturday, October 3, 2015 at 1:39:55 PM UTC+2, Jon Smirl wrote: >> >> On Sat, Oct 3, 2015 at 3:53 AM, Rock Slate wrote: >> > Wow, tha

Re: [linux-sunxi] Is it possible to boot the A13 chip without DDR3 RAM?

2015-10-04 Thread Alexis Jeandet
Hi, On Saturday, October 3, 2015 at 1:39:55 PM UTC+2, Jon Smirl wrote: > > On Sat, Oct 3, 2015 at 3:53 AM, Rock Slate > wrote: > > Wow, that's a really detailed response. Thanks a lot for the pointers. I > > will definitely look into this and will let you know as I proceed. > > On other proces

Re: [linux-sunxi] Is it possible to boot the A13 chip without DDR3 RAM?

2015-10-03 Thread Rock Slate
Looks interesting :-) On Sat, Oct 3, 2015 at 5:09 PM, jonsm...@gmail.com wrote: > On Sat, Oct 3, 2015 at 3:53 AM, Rock Slate wrote: > > Wow, that's a really detailed response. Thanks a lot for the pointers. I > > will definitely look into this and will let you know as I proceed. > > On other pr

Re: [linux-sunxi] Is it possible to boot the A13 chip without DDR3 RAM?

2015-10-03 Thread jonsm...@gmail.com
On Sat, Oct 3, 2015 at 3:53 AM, Rock Slate wrote: > Wow, that's a really detailed response. Thanks a lot for the pointers. I > will definitely look into this and will let you know as I proceed. On other processors I have seen people attach SRAM to the LCD interface. That technique may be possible

Re: [linux-sunxi] Is it possible to boot the A13 chip without DDR3 RAM?

2015-10-03 Thread Rock Slate
Wow, that's a really detailed response. Thanks a lot for the pointers. I will definitely look into this and will let you know as I proceed. On Sat, Oct 3, 2015 at 1:16 PM, Siarhei Siamashka < siarhei.siamas...@gmail.com> wrote: > > On Sat, Oct 3, 2015 at 12:32 PM, Rock Slate > wrote: > > > > > H

Re: [linux-sunxi] Is it possible to boot the A13 chip without DDR3 RAM?

2015-10-03 Thread Siarhei Siamashka
> On Sat, Oct 3, 2015 at 12:32 PM, Rock Slate wrote: > > > Hi, > > > > Thanks for the reply. Both yes and no. The A13 comes in a nice friendly > > package which is easy to solder. However the FBGA on the DDR3 is really a > > nightmare. If not placed correctly, I would have to reball the chip and

Re: [linux-sunxi] Is it possible to boot the A13 chip without DDR3 RAM?

2015-10-03 Thread Rock Slate
On Sat, Oct 3, 2015 at 12:32 PM, Rock Slate wrote: > Hi, > > Thanks for the reply. Both yes and no. The A13 comes in a nice friendly > package which is easy to solder. However the FBGA on the DDR3 is really a > nightmare. If not placed correctly, I would have to reball the chip and > this is a li

Re: [linux-sunxi] Is it possible to boot the A13 chip without DDR3 RAM?

2015-10-02 Thread Siarhei Siamashka
On Sat, 3 Oct 2015 09:23:35 +0530 Rock Slate wrote: > Hi, > > In general I know the x86 architecture BIOS will refuse to boot if valid > ram space is not found. On linux I can use the BadRam kernel patches to > ignore bad areas of memory. However just out of curiosity, I am wondering > whether

[linux-sunxi] Is it possible to boot the A13 chip without DDR3 RAM?

2015-10-02 Thread Rock Slate
Hi, In general I know the x86 architecture BIOS will refuse to boot if valid ram space is not found. On linux I can use the BadRam kernel patches to ignore bad areas of memory. However just out of curiosity, I am wondering whether using the internal cache would be sufficient to run small programs