u-boot-brain/drivers/mtd
Daniel Schwierzeck 55edb9d4d5 mtd: cfi_flash: fix polling for bit XSR.7 on Intel chips
flash_full_status_check() checks bit XSR.7 on Intel chips. This
should be done by only checking bit 7 and not by comparing the
whole status byte or word with 0x80.

This fixes the non-working block erase in the pflash emulation
of Qemu when used with the MIPS Malta board. MIPS Malta uses x32
mode to access the pflash device. In x32 mode Qemu mirrors the
lower 16 bits of the status word into the upper 16 bits. Thus
the CFI driver gets a status word of 0x8080 in x32 mode. If
flash_full_status_check() uses flash_isequal(), then it polls for
XSR.7 by comparing 0x8080 with 0x80 which never becomes true.

Reported-by: Alon Bar-Lev <alon.barlev@gmail.com>
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Signed-off-by: Stefan Roese <sr@denx.de>
2016-07-20 11:13:26 +02:00
..
nand Various, unrelated tree-wide typo fixes. 2016-07-16 09:43:12 -04:00
onenand mtd, ubi, ubifs: resync with Linux-3.14 2014-08-25 19:25:55 -04:00
spi sunxi: Support booting from SPI flash 2016-07-15 08:34:34 +02:00
ubi mtd, ubi: set free_count to zero before walking through erase list 2016-04-22 11:47:37 +02:00
altera_qspi.c altera_qspi: allow ctrl-c to abort the erase ops 2015-12-28 09:32:43 +08:00
at45.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
cfi_flash.c mtd: cfi_flash: fix polling for bit XSR.7 on Intel chips 2016-07-20 11:13:26 +02:00
cfi_mtd.c mtd, cfi, ubi: add missing writebufsize initialization 2014-11-19 07:54:04 +01:00
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 drivers: mtd: add Microchip PIC32 internal non-CFI flash driver. 2016-05-21 01:25:50 +02:00
Makefile drivers: mtd: add Microchip PIC32 internal non-CFI flash driver. 2016-05-21 01:25:50 +02:00
mtd_uboot.c mtd: uboot: Add meaningful error message 2015-11-12 13:17:28 -05:00
mtd-uclass.c dm: implement a MTD uclass 2015-11-12 08:26:58 +08:00
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 mtd: Introduce mtd_block_isreserved() 2015-08-25 22:53:57 -05:00
mw_eeprom.c Update i386 code (sc520_cdp) 2008-09-09 11:48:53 +02:00
pic32_flash.c drivers: mtd: add Microchip PIC32 internal non-CFI flash driver. 2016-05-21 01:25:50 +02:00
st_smi.c Add GPL-2.0+ SPDX-License-Identifier to source files 2013-07-24 09:44:38 -04:00
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