Re: [U-Boot] [PATCH 1/2] qspi:fsl implement AHB read

2015-01-08 Thread Jagan Teki
On 8 January 2015 at 15:48, Peng Fan peng@freescale.com wrote: Hi, Jagan On 1/8/2015 2:20 PM, Jagan Teki wrote: On 8 January 2015 at 08:10, Peng Fan peng@freescale.com wrote: The QSPI controller in i.MX 6SoloX and Vybrid supports reading data using IP register and AHB bus. The

Re: [U-Boot] [PATCH 1/2] qspi:fsl implement AHB read

2015-01-08 Thread Peng Fan
On 1/8/2015 7:21 PM, Jagan Teki wrote: On 8 January 2015 at 15:48, Peng Fan peng@freescale.com wrote: Hi, Jagan On 1/8/2015 2:20 PM, Jagan Teki wrote: On 8 January 2015 at 08:10, Peng Fan peng@freescale.com wrote: The QSPI controller in i.MX 6SoloX and Vybrid supports reading data

Re: [U-Boot] [PATCH 1/2] qspi:fsl implement AHB read

2015-01-08 Thread Peng Fan
Hi, Jagan On 1/8/2015 2:20 PM, Jagan Teki wrote: On 8 January 2015 at 08:10, Peng Fan peng@freescale.com wrote: The QSPI controller in i.MX 6SoloX and Vybrid supports reading data using IP register and AHB bus. The original driver only supports reading data from IP interface. The IC team

Re: [U-Boot] [PATCH 1/2] qspi:fsl implement AHB read

2015-01-08 Thread Jagan Teki
On 8 January 2015 at 17:10, Peng Fan peng@freescale.com wrote: On 1/8/2015 7:21 PM, Jagan Teki wrote: On 8 January 2015 at 15:48, Peng Fan peng@freescale.com wrote: Hi, Jagan On 1/8/2015 2:20 PM, Jagan Teki wrote: On 8 January 2015 at 08:10, Peng Fan peng@freescale.com wrote:

Re: [U-Boot] [PATCH 1/2] qspi:fsl implement AHB read

2015-01-07 Thread Jagan Teki
On 8 January 2015 at 08:10, Peng Fan peng@freescale.com wrote: The QSPI controller in i.MX 6SoloX and Vybrid supports reading data using IP register and AHB bus. The original driver only supports reading data from IP interface. The IC team suggests to use AHB read which is faster then IP

[U-Boot] [PATCH 1/2] qspi:fsl implement AHB read

2015-01-07 Thread Peng Fan
The QSPI controller in i.MX 6SoloX and Vybrid supports reading data using IP register and AHB bus. The original driver only supports reading data from IP interface. The IC team suggests to use AHB read which is faster then IP read. Using AHB read, we can directly memcpy, a missed access to the