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
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