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path: root/drivers/mtd/spi/sf_ops.c
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* sf: sf_ops: Stop leaking memoryMarek Vasut2014-08-06-0/+1
| | | | | | | | | It's usually a common pattern to free() the memory that we allocated. Implement this here to stop leaking memory. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
* sf: ops: Squash the malloc+memset comboJagannadha Sutradharudu Teki2014-03-17-2/+6
| | | | | | | Squash the malloc()+memset() combo in favor of calloc(). Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com> Acked-by: Marek Vasut <marex@denx.de>
* sf: Add CONFIG_SF_DUAL_FLASHJagannadha Sutradharudu Teki2014-01-12-4/+10
| | | | | | | This config will use for defining greater than single flash support. currently - DUAL_STACKED and DUAL_PARALLEL. Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
* sf: Add dual memories support - DUAL_PARALLELJagannadha Sutradharudu Teki2014-01-12-2/+6
| | | | | | | | | This patch added support for accessing dual memories in parallel connection with single chipselect line from controller. For more info - see doc/SPI/README.dual-flash Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
* sf: Add dual memories support - DUAL_STACKEDJagannadha Sutradharudu Teki2014-01-12-10/+47
| | | | | | | | | This patch added support for accessing dual memories in stacked connection with single chipselect line from controller. For more info - see doc/SPI/README.dual-flash Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
* sf: ops: Unify read_ops bank configurationJagannadha Sutradharudu Teki2014-01-12-8/+5
| | | | | | Unified the bar code from read_ops into a spi_flash_bar() Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
* sf: Code cleanupsJagannadha Sutradharudu Teki2014-01-12-3/+3
| | | | | | | - comment typo's - func args have a proper names Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
* sf: Divide flash register ops from QEB codeJagannadha Sutradharudu Teki2014-01-11-49/+26
| | | | | | | QEB code comprises of couple of flash register read/write operations, this patch moved flash register operations on to sf_op Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
* sf: Add macronix set QEB supportJagannadha Sutradharudu Teki2014-01-11-0/+26
| | | | | | | This patch adds set QEB support for macronix flash devices which are trying to program/read quad operations. Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
* sf: Discover read dummy_byteJagannadha Sutradharudu Teki2014-01-11-7/+9
| | | | | | | Discovered the read dummy_byte based on the configured read command. Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
* sf: Set quad enable bit supportJagannadha Sutradharudu Teki2014-01-11-0/+26
| | | | | | | | | | | | | This patch provides support to set the quad enable bit on flash. quad enable bit needs to set before performing any quad IO operations on respective SPI flashes. Currently added set quad enable bit for winbond and spansion flash devices. stmicro flash doesn't require to set as qeb is volatile. remaining flash devices support will add in future patches. Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
* sf: ops: Add configuration register writing supportJagannadha Sutradharudu Teki2014-01-11-0/+24
| | | | | | | | | This patch provides support to program a flash config register. Configuration register contains the control bits used to configure the different configurations and security features of a device. Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
* sf: Add quad read/write commands supportJagannadha Sutradharudu Teki2014-01-11-1/+1
| | | | | | | | This patch add quad commands support like - QUAD_PAGE_PROGRAM => for write program - QUAD_OUTPUT_FAST ->> for read program Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
* sf: Add extended read commands supportJagannadha Sutradharudu Teki2014-01-11-1/+1
| | | | | | | | | | | Current sf uses FAST_READ command, this patch adds support to use the different/extended read command. This implementation will determine the fastest command by taking the supported commands from the flash and the controller, controller is always been a priority. Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
* driver: mtd: sf_ops: claim bus while doing memcpyPoddar, Sourav2013-12-19-0/+6
| | | | | | | | | | claim spi bus while doing memory copy, this will set up the spi controller device control register before doing a memory read. Signed-off-by: Sourav Poddar <sourav.poddar@ti.com> Tested-by: Yebio Mesfin <ymesfin@ti.com> Reviewed-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
* sf: Add GPL-2.0+ SPDX-License-Identifier for missing onesJagannadha Sutradharudu Teki2013-10-16-1/+1
| | | | | | | | Added GPL-2.0+ SPDX-License-Identifier for missed sf source files. Signed-off-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com> Signed-off-by: Bo Shen <voice.shen@atmel.com>
* sf: Minor cleanups.Jagannadha Sutradharudu Teki2013-10-16-1/+1
| | | | | | | | | - Add comments. - Renamed few macros. - Add tabs. Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com> Signed-off-by: Bo Shen <voice.shen@atmel.com>
* sf_ops: Unify bank_sel calculation codeJagannadha Sutradharudu Teki2013-10-16-16/+20
| | | | | | | Unified the bank_sel calculation code for erase and write ops. Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
* sf: Add memory mapped read supportPoddar, Sourav2013-10-07-0/+2
| | | | | | | | | | | | | | | | | | Qspi controller can have a memory mapped port which can be used for data read. Added support to enable memory mapped port read. This patch enables the following: - It enables exchange of memory map address between mtd and qspi through the introduction of "memory_map" flag. - Add support to communicate to the driver that memory mapped transfer is to be started through introduction of new flags like "SPI_XFER_MEM_MAP" and "SPI_XFER_MEM_MAP_END". This will enable the spi controller to do memory mapped configurations if required. Signed-off-by: Sourav Poddar <sourav.poddar@ti.com> Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
* sf: Rename spi_flash filesJagannadha Sutradharudu Teki2013-10-07-0/+403
Renamed: spi_flash.c -> sf.c spi_flash_internal.h -> sf_internal.h spi_flash_ops.c -> sf_ops.c spi_flash_probe.c -> sf_probe.c Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
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