On Wed, Jun 17, 2015 at 03:02:03PM +0200, Stefan Agner wrote:
> On 2015-06-09 22:07, Sebastian Andrzej Siewior wrote:
> > yeah, do you have any numbers by chance?
>
> Just reevaluated the "performance optimizations". On a VF610 SoC (with
> L2 cache) the improvements increase performance by 2.5% an
On 2015-06-09 22:07, Sebastian Andrzej Siewior wrote:
> On 2015-06-03 17:05:16 [+0200], Stefan Agner wrote:
>> As Boris guessed correctly, the reason I used the raw variant was due to
>> performance improvements due to the barrier. However, I will use
>
> yeah, do you have any numbers by chance?
>
On 2015-06-09 22:31:07 [+0200], Stefan Agner wrote:
> > have the endian swap. So an abstraction like you provided earlier
> > would be nice :)
>
> What do you mean by that?
Something like you did for the reader where you have:
|static inline u32 vf610_nfc_read(struct vf610_nfc *nfc, uint reg)
|{
On 2015-06-09 22:07, Sebastian Andrzej Siewior wrote:
> On 2015-06-03 17:05:16 [+0200], Stefan Agner wrote:
>> As Boris guessed correctly, the reason I used the raw variant was due to
>> performance improvements due to the barrier. However, I will use
>
> yeah, do you have any numbers by chance?
On 2015-06-03 17:05:16 [+0200], Stefan Agner wrote:
> As Boris guessed correctly, the reason I used the raw variant was due to
> performance improvements due to the barrier. However, I will use
yeah, do you have any numbers by chance?
> {read|write}l_relaxed instead, which should offer endian abs
On 2015-06-03 17:09:33 [+0200], Stefan Agner wrote:
> Hm, so on PPC the boot ROM is making use of the HW ECC controller, is
> this correct?
On MPC5125, yes.
> --
> Stefan
Sebastian
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On 2015-06-03 15:08, Sebastian Andrzej Siewior wrote:
> On 2015-03-25 17:28:24 [+0100], Stefan Agner wrote:
>> diff --git a/drivers/mtd/nand/vf610_nfc.c b/drivers/mtd/nand/vf610_nfc.c
>> new file mode 100644
>> index 000..23c1510
>> --- /dev/null
>> +++ b/drivers/mtd/nand/vf610_nfc.c
>> @@ -0,0
On 2015-06-03 14:03, Sebastian Andrzej Siewior wrote:
> On Wed, Jun 03, 2015 at 11:45:50AM +0200, Stefan Agner wrote:
>> On 2015-06-03 10:10, Sebastian Andrzej Siewior wrote:
>> > On 2015-03-25 17:28:24 [+0100], Stefan Agner wrote:
>> >> diff --git a/drivers/mtd/nand/vf610_nfc.c b/drivers/mtd/nand/
On 2015-03-25 17:28:24 [+0100], Stefan Agner wrote:
> diff --git a/drivers/mtd/nand/vf610_nfc.c b/drivers/mtd/nand/vf610_nfc.c
> new file mode 100644
> index 000..23c1510
> --- /dev/null
> +++ b/drivers/mtd/nand/vf610_nfc.c
> @@ -0,0 +1,686 @@
…
> +static inline u32 vf610_nfc_read(struct vf610_
On Wed, Jun 03, 2015 at 11:45:50AM +0200, Stefan Agner wrote:
> On 2015-06-03 10:10, Sebastian Andrzej Siewior wrote:
> > On 2015-03-25 17:28:24 [+0100], Stefan Agner wrote:
> >> diff --git a/drivers/mtd/nand/vf610_nfc.c b/drivers/mtd/nand/vf610_nfc.c
> >> new file mode 100644
> >> index 000..2
On 2015-06-03 10:10, Sebastian Andrzej Siewior wrote:
> On 2015-03-25 17:28:24 [+0100], Stefan Agner wrote:
>> diff --git a/drivers/mtd/nand/vf610_nfc.c b/drivers/mtd/nand/vf610_nfc.c
>> new file mode 100644
>> index 000..23c1510
>> --- /dev/null
>> +++ b/drivers/mtd/nand/vf610_nfc.c
> …
>> +st
On 2015-03-25 17:28:24 [+0100], Stefan Agner wrote:
> diff --git a/drivers/mtd/nand/vf610_nfc.c b/drivers/mtd/nand/vf610_nfc.c
> new file mode 100644
> index 000..23c1510
> --- /dev/null
> +++ b/drivers/mtd/nand/vf610_nfc.c
…
> +static void vf610_nfc_addr_cycle(struct vf610_nfc *nfc, int column
Hi Brian,
Thanks for the review!
FYI, in between I have some patches pending which enable ONFI and some
other minor improvements. Those changes already went upstream in U-Boot,
I will port them to the Linux version.
Hence the next version will also include those changes...
FWIW, the U-boot thre
Hi Stefan,
Late review...
On Wed, Mar 25, 2015 at 05:28:24PM +0100, Stefan Agner wrote:
> This driver supports Freescale NFC (NAND flash controller) found on
> Vybrid (VF610), MPC5125, MCF54418 and Kinetis K70.
>
> Limitations:
> - DMA and pipelining not used
> - Pages larger than 2k are not sup
This driver supports Freescale NFC (NAND flash controller) found on
Vybrid (VF610), MPC5125, MCF54418 and Kinetis K70.
Limitations:
- DMA and pipelining not used
- Pages larger than 2k are not supported
- No hardware ECC
The driver has only been tested on Vybrid (VF610).
Signed-off-by: Bill Prin
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