| Message ID | 1513858377-20729-2-git-send-email-prabhakar.kushwaha@nxp.com |
|---|---|
| State | Superseded |
| Delegated to: | Jagannadha Sutradharudu Teki |
| Headers | show
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Ip=[192.88.168.50]; Helo=[tx30smr01.am.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN3PR03MB2353 Cc: suresh.gupta@nxp.com Subject: [U-Boot] [PATCH 1/3][v2] sf: Add support of 1-2-2, 1-4-4 IO READ protocols X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion <u-boot.lists.denx.de> List-Unsubscribe: <https://lists.denx.de/options/u-boot>, <mailto:u-boot-request@lists.denx.de?subject=unsubscribe> List-Archive: <http://lists.denx.de/pipermail/u-boot/> List-Post: <mailto:u-boot@lists.denx.de> List-Help: <mailto:u-boot-request@lists.denx.de?subject=help> List-Subscribe: <https://lists.denx.de/listinfo/u-boot>, <mailto:u-boot-request@lists.denx.de?subject=subscribe> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" <u-boot-bounces@lists.denx.de> |
| Series |
sf: Update spi-nor framework
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expand
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diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c index 51e28bf..4ff8d8b 100644 --- a/drivers/mtd/spi/spi_flash.c +++ b/drivers/mtd/spi/spi_flash.c @@ -1071,8 +1071,12 @@ int spi_flash_scan(struct spi_flash *flash) flash->read_cmd = CMD_READ_ARRAY_FAST; if (spi->mode & SPI_RX_SLOW) flash->read_cmd = CMD_READ_ARRAY_SLOW; + else if (spi->mode & SPI_RX_QUAD && info->flags & RD_QUADIO) + flash->read_cmd = CMD_READ_QUAD_IO_FAST; else if (spi->mode & SPI_RX_QUAD && info->flags & RD_QUAD) flash->read_cmd = CMD_READ_QUAD_OUTPUT_FAST; + else if (spi->mode & SPI_RX_DUAL && info->flags & RD_DUALIO) + flash->read_cmd = CMD_READ_DUAL_IO_FAST; else if (spi->mode & SPI_RX_DUAL && info->flags & RD_DUAL) flash->read_cmd = CMD_READ_DUAL_OUTPUT_FAST;
IO READ protocols transfers both address and data on multiple data bits. 1-2-2(DUAL IO), 1-4-4(QUAD IO) transfer address on 2 data bits or 4 bits per rising edge of SCK respectively. This patch update spi_nor_flash_parameter->spi_nor_read_command array based on DUAL or QUAD IO flag enabled in flash_info for a flash. Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com> --- Changes for v2: none drivers/mtd/spi/spi_flash.c | 4 ++++ 1 file changed, 4 insertions(+)