Re: Can the ARM and DSP accessing the RAM simulatenously?

2007-01-18 Thread Andy Ngo
inux.davincidsp.com Sent: Thursday, January 18, 2007 12:48:58 PM Subject: RE: Can the ARM and DSP accessing the RAM simulatenously? Hi Folks, Maybe to help clarify this a bit from my point of view 1) You can only have one-bit of data from one point in memory on the traces for the DDR at any t

RE: Can the ARM and DSP accessing the RAM simulatenously?

2007-01-18 Thread Steve Spano
Behalf Of Griffis, Brad Sent: Thursday, January 18, 2007 3:13 PM To: Andy Ngo; Azbell, Brandon; davinci-linux-open-source@linux.davincidsp.com Subject: RE: Can the ARM and DSP accessing the RAM simulatenously? Juan is discussing this from a Linux threads perspective, not the actual interface

RE: Can the ARM and DSP accessing the RAM simulatenously?

2007-01-18 Thread Griffis, Brad
: Thursday, January 18, 2007 1:50 PM To: Griffis, Brad; Azbell, Brandon; davinci-linux-open-source@linux.davincidsp.com Subject: Re: Can the ARM and DSP accessing the RAM simulatenously? Hmm..., I just received an answer from a TI expert that says that the ARM and DSP can still access the DDR

Re: Can the ARM and DSP accessing the RAM simulatenously?

2007-01-18 Thread Andy Ngo
al Message From: "Griffis, Brad" <[EMAIL PROTECTED]> To: Andy Ngo <[EMAIL PROTECTED]>; davinci-linux-open-source@linux.davincidsp.com Sent: Thursday, January 18, 2007 9:27:36 AM Subject: RE: Can the ARM and DSP accessing the RAM simulatenously? Andy, You are correct that

RE: Can the ARM and DSP accessing the RAM simulatenously?

2007-01-18 Thread Griffis, Brad
re-use of code/data. Brad From: Andy Ngo [mailto:[EMAIL PROTECTED] Sent: Thursday, January 18, 2007 4:16 AM To: Griffis, Brad; Azbell, Brandon; davinci-linux-open-source@linux.davincidsp.com Subject: Re: Can the ARM and DSP accessing the RAM simulatenously

Re: Can the ARM and DSP accessing the RAM simulatenously?

2007-01-18 Thread Andy Ngo
: Wednesday, January 17, 2007 6:12:07 PM Subject: RE: Can the ARM and DSP accessing the RAM simulatenously? Andy, Perhaps the following info will help you in deciding whether to add a second RAM device. Keep in mind that both the ARM and DSP have cache. The cac

RE: Can the ARM and DSP accessing the RAM simulatenously?

2007-01-17 Thread Griffis, Brad
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Azbell, Brandon Sent: Wednesday, January 17, 2007 7:54 PM To: Andy Ngo; davinci-linux-open-source@linux.davincidsp.com Subject: RE: Can the ARM and DSP accessing the RAM simulatenously? Andy, The DM6446 has exactl

RE: Can the ARM and DSP accessing the RAM simulatenously?

2007-01-17 Thread Azbell, Brandon
Andy, The DM6446 has exactly 2 memory interface busses on it. One interfaces to DD2 memories and the other is the EMIFA, which can support Asynchronous SRAM and Flash. These 2 memory interfaces are completely independent of each other. At any given moment in time, one and only