[U-Boot] [PATCH v3 3/9] sf: Update EON flash params
Bin Meng
bmeng.cn at gmail.com
Thu Dec 11 03:33:01 CET 2014
Hi Jagan,
On Thu, Dec 11, 2014 at 2:31 AM, Jagan Teki <jagannadh.teki at gmail.com> wrote:
> Hi Bin,
>
> On 10 December 2014 at 18:21, Bin Meng <bmeng.cn at gmail.com> wrote:
>> Update supported read commands for EON flash parts to RD_EXTN and
>> QUAD_IO_FAST per datasheet. Also update flash sector size to 4KiB
>> as long as flash supports sector erase (20h) command.
>>
>> Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
>> ---
>>
>> drivers/mtd/spi/sf_params.c | 8 ++++----
>> 1 file changed, 4 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/mtd/spi/sf_params.c b/drivers/mtd/spi/sf_params.c
>> index cc4cd60..3e5c6e0 100644
>> --- a/drivers/mtd/spi/sf_params.c
>> +++ b/drivers/mtd/spi/sf_params.c
>> @@ -26,10 +26,10 @@ const struct spi_flash_params spi_flash_params_table[] = {
>> {"AT25DF321A", 0x1f4701, 0x0, 4 * 1024, 1024, RD_NORM, SECT_4K},
>> #endif
>> #ifdef CONFIG_SPI_FLASH_EON /* EON */
>> - {"EN25Q32B", 0x1c3016, 0x0, 64 * 1024, 64, RD_NORM, 0},
>> - {"EN25Q64", 0x1c3017, 0x0, 64 * 1024, 128, RD_NORM, SECT_4K},
>> - {"EN25Q128B", 0x1c3018, 0x0, 64 * 1024, 256, RD_NORM, 0},
>> - {"EN25S64", 0x1c3817, 0x0, 64 * 1024, 128, RD_NORM, 0},
>> + {"EN25Q32B", 0x1c3016, 0x0, 4 * 1024, 1024, RD_EXTN | QUAD_IO_FAST, SECT_4K},
>> + {"EN25Q64", 0x1c3017, 0x0, 4 * 1024, 2048, RD_EXTN | QUAD_IO_FAST, SECT_4K},
>> + {"EN25Q128B", 0x1c3018, 0x0, 4 * 1024, 4096, RD_EXTN | QUAD_IO_FAST, SECT_4K},
>> + {"EN25S64", 0x1c3817, 0x0, 4 * 1024, 2048, RD_EXTN | QUAD_IO_FAST, SECT_4K},
>
> Did you test this QUAD_IO_FAST ?
>
No because I don't have a board running U-Boot which has an EON flash
mounted. These updates are purely based on the flash datasheet.
[snip]
Regards,
Bin
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