u-boot/drivers/mtd
Cooper Jr., Franklin 6e1eb089be mtd: nand: am335x_spl_bch: Incorporate tWB delay in nand_command function
Various commands to NAND flash results in the NAND flash becoming busy.
For those commands the SoC should wait until the NAND indicates it is
no longer busy before sending further commands. However, there is a delay
between the time the SoC sends its last command and when the NAND flash
sets its Ready/Busy Pin. This delay (tWB) must be respected or the SoC may
falsely assume the flash is ready when in reality it just hasn't had enough
time to indicate that it is busy.

Properly delaying by tWB is already done for nand_command/nand_command_lp
in nand_base.c including the version of it in the Linux kernel. Therefore,
this patch brings the handling of tWB delay inline to nand_base.c

Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
[trini: Reformat comments slightly]
Signed-off-by: Tom Rini <trini@konsulko.com>
2017-04-08 21:34:50 -04:00
..
nand mtd: nand: am335x_spl_bch: Incorporate tWB delay in nand_command function 2017-04-08 21:34:50 -04:00
onenand treewide: replace #include <asm/errno.h> with <linux/errno.h> 2016-09-23 17:55:42 -04:00
spi Merge branch 'master' of git://git.denx.de/u-boot-sunxi 2017-04-06 20:40:24 -04:00
ubi mtd: ubi: Select RBTREE option from MTD_UBI Kconfig entry 2017-04-07 11:23:45 +05:30
ubispl spl: Lightweight UBI and UBI fastmap support 2016-07-22 09:53:00 -04:00
altera_qspi.c dm: core: Replace of_offset with accessor 2017-02-08 06:12:14 -07:00
at45.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
cfi_flash.c dm: core: Replace of_offset with accessor 2017-02-08 06:12:14 -07:00
cfi_mtd.c treewide: replace #include <asm/errno.h> with <linux/errno.h> 2016-09-23 17:55:42 -04:00
dataflash.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
ftsmc020.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
jedec_flash.c mtd: Handle 29LV800BT 2014-11-19 08:48:41 +01:00
Kconfig flash: complete CONFIG_SYS_NO_FLASH move with renaming 2017-02-12 14:30:25 -05:00
Makefile drivers: mtd: add Microchip PIC32 internal non-CFI flash driver. 2016-05-21 01:25:50 +02:00
mtd-uclass.c dm: implement a MTD uclass 2015-11-12 08:26:58 +08:00
mtd_uboot.c mtd: uboot: Add meaningful error message 2015-11-12 13:17:28 -05:00
mtdconcat.c kbuild: force to define __UBOOT__ in all the C sources 2014-09-16 12:23:56 -04:00
mtdcore.c compat: Remove is_power_of_2() definition 2015-11-05 16:46:59 -05:00
mtdcore.h mtd, ubi, ubifs: resync with Linux-3.14 2014-08-25 19:25:55 -04:00
mtdpart.c treewide: replace #include <asm/errno.h> with <linux/errno.h> 2016-09-23 17:55:42 -04:00
mw_eeprom.c Update i386 code (sc520_cdp) 2008-09-09 11:48:53 +02:00
pic32_flash.c dm: core: Replace of_offset with accessor 2017-02-08 06:12:14 -07:00
st_smi.c flash: complete CONFIG_SYS_NO_FLASH move with renaming 2017-02-12 14:30:25 -05:00
stm32_flash.c stm32: stm32_flash: add memory barrier during flash write 2016-04-11 20:48:23 -04:00
stm32_flash.h stm32: stm32f4: move flash driver to mtd driver location 2016-03-26 18:49:28 -04:00