From: Sourav Poddar <sourav.poddar@ti.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCHv2 5/8] drivers: mtd: spi: Modify read/write command for sfl256s flash.
Date: Tue, 23 Jul 2013 20:23:05 +0530 [thread overview]
Message-ID: <51EE98D1.5010708@ti.com> (raw)
In-Reply-To: <20130723143023.GB7022@radagast>
On Tuesday 23 July 2013 08:00 PM, Felipe Balbi wrote:
> Hi,
>
> On Tue, Jul 23, 2013 at 07:53:06PM +0530, Sourav Poddar wrote:
>>> @@ -311,7 +341,7 @@ int spi_flash_cmd_read_fast(struct spi_flash *flash, u32 offset,
>>> debug("SF: read failed\n");
>>> break;
>>> }
>>> -
>>> +#endif
>>> offset += read_len;
>>> len -= read_len;
>>> data += read_len;
>> Elaborating a bit more on this,
>> There is a constrain on our hardware, which goes like this..
>>
>> As soon as the words transfered is 4096 bytes, the CS gets deasserted
>> automatically.
> constraint is 4096 *words*. If you're using anything other than 8-bits
> per word, your statement doesn't make sense.
>
Yes, sorry. Its 4096 words.
next prev parent reply other threads:[~2013-07-23 14:53 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-23 8:59 [U-Boot] [PATCHv2 0/8] qspi controller: Normal, quad and memory mapped read support Sourav Poddar
2013-07-23 8:59 ` [U-Boot] [PATCHv2 1/8] omap5: add qspi support Sourav Poddar
2013-07-23 8:59 ` [U-Boot] [PATCHv2 2/8] armv7: hw_data: change clock divider setting Sourav Poddar
2013-07-23 8:59 ` [U-Boot] [PATCHv2 3/8] spi: add TI QSPI driver Sourav Poddar
2013-07-23 9:23 ` Wolfgang Denk
2013-07-23 9:33 ` Sourav Poddar
2013-07-23 8:59 ` [U-Boot] [PATCHv2 4/8] dra7xx_evm: add SPL API, QSPI, and serial flash support Sourav Poddar
2013-07-23 8:59 ` [U-Boot] [PATCHv2 5/8] drivers: mtd: spi: Modify read/write command for sfl256s flash Sourav Poddar
2013-07-23 14:23 ` Sourav Poddar
2013-07-23 14:30 ` Felipe Balbi
2013-07-23 14:53 ` Sourav Poddar [this message]
2013-07-31 6:53 ` Sourav Poddar
2013-08-07 5:57 ` Sourav Poddar
2013-08-07 11:51 ` Jagan Teki
2013-08-07 12:04 ` Sourav Poddar
2013-08-07 15:05 ` Jagan Teki
2013-08-07 15:16 ` Sourav Poddar
2013-10-07 12:21 ` Jagan Teki
2013-10-07 12:28 ` Sourav Poddar
2013-10-07 12:29 ` Jagan Teki
2013-10-07 12:30 ` Sourav Poddar
2013-07-23 8:59 ` [U-Boot] [PATCHv2 6/8] drivers: mtd: qspi: Add quad read support Sourav Poddar
2013-07-23 9:28 ` Wolfgang Denk
2013-07-23 8:59 ` [U-Boot] [PATCHv2 7/8] driver: spi: Add memory mapped " Sourav Poddar
2013-07-23 9:29 ` Wolfgang Denk
2013-07-23 9:34 ` Sourav Poddar
2013-07-23 8:59 ` [U-Boot] [PATCHv2 8/8] README: qspi usecase and testing documentation Sourav Poddar
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=51EE98D1.5010708@ti.com \
--to=sourav.poddar@ti.com \
--cc=u-boot@lists.denx.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.