Re: [U-Boot] [PATCH RESEND v2] armv7: Disable D cache for goni target (s5p)

2011-07-31 Thread Aneesh V
Hi Linus, On Sunday 31 July 2011 01:48 PM, Linus Walleij wrote: > Hi Aneesh, thanks for taking time for this! > > On Fri, Jul 29, 2011 at 12:13 PM, Aneesh V wrote: > >> 1. Drivers using DMA: >> i. Flush the buffer before initiating a memory to peripheral DMA. >> ii. Invalidate the buffer after a

Re: [U-Boot] [PATCH RESEND v2] armv7: Disable D cache for goni target (s5p)

2011-07-31 Thread Linus Walleij
Hi Aneesh, thanks for taking time for this! On Fri, Jul 29, 2011 at 12:13 PM, Aneesh V wrote: > 1. Drivers using DMA: > i. Flush the buffer before initiating a memory to peripheral DMA. > ii. Invalidate the buffer after a peripheral to memory DMA (before > MPU reads it) No problems with this. I

Re: [U-Boot] [PATCH RESEND v2] armv7: Disable D cache for goni target (s5p)

2011-07-29 Thread Aneesh V
Hi Chander, On Friday 29 July 2011 04:01 PM, Chander Kashyap wrote: > Hi Aneesh, > > On 29 July 2011 15:43, Aneesh V wrote: >> Hi Linus, >> >> On Friday 29 July 2011 04:04 AM, Linus Walleij wrote: >>> On Thu, Jul 28, 2011 at 7:04 AM, Minkyu Kangwrote: Dear Linus Walleij, On 18

Re: [U-Boot] [PATCH RESEND v2] armv7: Disable D cache for goni target (s5p)

2011-07-29 Thread Chander Kashyap
Hi Aneesh, On 29 July 2011 15:43, Aneesh V wrote: > Hi Linus, > > On Friday 29 July 2011 04:04 AM, Linus Walleij wrote: >> On Thu, Jul 28, 2011 at 7:04 AM, Minkyu Kang  wrote: >>> Dear Linus Walleij, >>> >>> On 18 July 2011 19:35, Linus Walleij  wrote: On Mon, Jul 18, 2011 at 9:23 AM, Lukasz

Re: [U-Boot] [PATCH RESEND v2] armv7: Disable D cache for goni target (s5p)

2011-07-29 Thread Aneesh V
Hi Linus, On Friday 29 July 2011 04:04 AM, Linus Walleij wrote: > On Thu, Jul 28, 2011 at 7:04 AM, Minkyu Kang wrote: >> Dear Linus Walleij, >> >> On 18 July 2011 19:35, Linus Walleij wrote: >>> On Mon, Jul 18, 2011 at 9:23 AM, Lukasz Majewski >>> wrote: >>> Disable D cache for goni targe

Re: [U-Boot] [PATCH RESEND v2] armv7: Disable D cache for goni target (s5p)

2011-07-28 Thread Chander Kashyap
Dear Minkyu, I am not able to retain environment saved on mmc card using setenv cmd when dcahe is enabled. By disabling it it works fine. On 28 July 2011 10:34, Minkyu Kang wrote: > Dear Linus Walleij, > > On 18 July 2011 19:35, Linus Walleij wrote: >> On Mon, Jul 18, 2011 at 9:23 AM, Lukasz Maj

Re: [U-Boot] [PATCH RESEND v2] armv7: Disable D cache for goni target (s5p)

2011-07-28 Thread Linus Walleij
On Thu, Jul 28, 2011 at 7:04 AM, Minkyu Kang wrote: > Dear Linus Walleij, > > On 18 July 2011 19:35, Linus Walleij wrote: >> On Mon, Jul 18, 2011 at 9:23 AM, Lukasz Majewski >> wrote: >> >>> Disable D cache for goni target (s5p) - rationale: >>> >>> 1. Before change introduced in commit >>> SHA

Re: [U-Boot] [PATCH RESEND v2] armv7: Disable D cache for goni target (s5p)

2011-07-27 Thread Minkyu Kang
Dear Linus Walleij, On 18 July 2011 19:35, Linus Walleij wrote: > On Mon, Jul 18, 2011 at 9:23 AM, Lukasz Majewski > wrote: > >> Disable D cache for goni target (s5p) - rationale: >> >> 1. Before change introduced in commit >> SHA1:c2dd0d45540397704de9b13287417d21049d34c6 the D-cache for >> GON

Re: [U-Boot] [PATCH RESEND v2] armv7: Disable D cache for goni target (s5p)

2011-07-18 Thread Linus Walleij
On Mon, Jul 18, 2011 at 9:23 AM, Lukasz Majewski wrote: > Disable D cache for goni target (s5p) - rationale: > > 1. Before change introduced in commit > SHA1:c2dd0d45540397704de9b13287417d21049d34c6 the D-cache for > GONI target was disabled. This change was supposed to > preserve this state. I

[U-Boot] [PATCH RESEND v2] armv7: Disable D cache for goni target (s5p)

2011-07-18 Thread Lukasz Majewski
Disable D cache for goni target (s5p) - rationale: 1. Before change introduced in commit SHA1:c2dd0d45540397704de9b13287417d21049d34c6 the D-cache for GONI target was disabled. This change was supposed to preserve this state. Signed-off-by: Lukasz Majewski Signed-off-by: Kyungmin Park Cc: Minky