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| author | Daniel Schwierzeck <daniel.schwierzeck@gmail.com> | 2015-04-27 07:42:04 +0200 |
|---|---|---|
| committer | Jagan Teki <jteki@openedev.com> | 2015-06-30 00:40:11 +0530 |
| commit | 9fe6d8716e090f3b2dd3f4604acfced124b8a2fc (patch) | |
| tree | 1748f1f1fe2457e26d4ff1d725a9a8d36a5a0f53 /README | |
| parent | ecfbaa869aa8bd318a017e557faefac2353e9a60 (diff) | |
mtd, spi: Add MTD layer driver
Add MTD layer driver for spi, original patch from:
http://git.denx.de/?p=u-boot/u-boot-mips.git;a=commitdiff;h=bb246819cdc90493dd7089eaa51b9e639765cced
Changes from Heiko Schocher against this patch:
- Remove compile error if not defining CONFIG_SPI_FLASH_MTD:
LD drivers/mtd/spi/built-in.o
drivers/mtd/spi/sf_probe.o: In function `spi_flash_mtd_unregister':
/home/hs/abb/imx6/u-boot/drivers/mtd/spi/sf_internal.h:168: multiple definition of `spi_flash_mtd_unregister'
drivers/mtd/spi/sf_params.o:/home/hs/abb/imx6/u-boot/drivers/mtd/spi/sf_internal.h:168: first defined here
drivers/mtd/spi/sf_ops.o: In function `spi_flash_mtd_unregister':
/home/hs/abb/imx6/u-boot/drivers/mtd/spi/sf_internal.h:168: multiple definition of `spi_flash_mtd_unregister'
drivers/mtd/spi/sf_params.o:/home/hs/abb/imx6/u-boot/drivers/mtd/spi/sf_internal.h:168: first defined here
make[1]: *** [drivers/mtd/spi/built-in.o] Fehler 1
make: *** [drivers/mtd/spi] Fehler 2
- Add a README entry.
- Add correct writebufsize, to fit with Linux v3.14
MTD, UBI/UBIFS sync.
Note (From Jagan): For testing raw mtd parition erase/read/write operations
using cmd_sf, sf_mtd should be required to register the spi flash device to
MTD layer but the sf_mtd_info ops were not required until and unless if we
use any flash filesystem layer say for example UBI. Due to this the foot-print
got increased ~290bytes in non-UBI case here that should be acceptible.
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Signed-off-by: Heiko Schocher <hs@denx.de>
Tested-by: Jagannadh Teki <jteki@openedev.com>
Reviewed-by: Jagannadh Teki <jteki@openedev.com>
Diffstat (limited to 'README')
| -rw-r--r-- | README | 9 |
1 files changed, 9 insertions, 0 deletions
@@ -3090,6 +3090,15 @@ CBFS (Coreboot Filesystem) support memories can be connected with a given cs line. Currently Xilinx Zynq qspi supports these type of connections. + CONFIG_SPI_FLASH_MTD spi-flash MTD layer + + Define this option to use mtd support for spi flash layer, this + adapter is for translating mtd_read/mtd_write commands into + spi_flash_read/spi_flash_write commands. It is not intended to + use it within sf_cmd or the SPI flash subsystem. Such an adapter + is needed for subsystems like UBI which can only operate on top + of the MTD layer. + - SystemACE Support: CONFIG_SYSTEMACE |