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Timur Tabi 55b05237b9 p1022ds: use weak CFI flash accessors when DIU is enabled 
On the Freescale P1022, the DIU and the LBC share address pins, which means
that when the DIU is active (e.g. the console is on the DVI display), NOR flash
cannot be accessed.  So we use the weak accessor function feature of the CFI
flash code to temporarily switch the pin mux from DIU to LBC whenever we want
to read or write flash.  This has a significant performance penalty, but it's
the only way to make it work.

This change allows the 'saveenv' command to work when the video display is
enabled.  Erasing flash and writing to flash (with the 'cp' command) works,
but reading from flash (with the 'md' and 'cp' commands) does not.  Also, while
flash is being written, the video display will be blank.

Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Anatolij Gustschin <agust@denx.de>
2010-09-25 14:42:11 +02:00
..
asm-generic x86: Fix support for booting bzImage 2010-05-06 00:17:01 +02:00
bedbug Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
configs p1022ds: use weak CFI flash accessors when DIU is enabled 2010-09-25 14:42:11 +02:00
cramfs Fix endianess problem in cramfs code (cramfs is always host-endian in Linux) 2008-03-03 22:08:08 +01:00
galileo rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
jffs2 fdt_support: add partitions fixup in mtd node 2010-03-21 22:44:59 +01:00
linux USB-CDC: Fix coding style issues 2010-09-20 21:57:17 +02:00
lzma Rename lib_generic/ to lib/ 2010-04-13 09:13:04 +02:00
mtd cfi_flash: Simplify dynamic flash bank number detection 2010-09-20 15:08:51 +02:00
pcmcia
u-boot Rename lib_generic/ to lib/ 2010-04-13 09:13:04 +02:00
usb mod change 755 => 644 for multiple files 2010-03-21 22:22:53 +01:00
.gitignore update include/asm/ gitignore after move 2010-05-07 00:17:30 +02:00
74xx_7xx.h powerpc: Move duplicated BAT defines to mmu.h 2009-02-10 00:27:40 +01:00
_exports.h Remove support for CONFIG_HAS_UID and "forceenv" command 2010-09-19 19:29:47 +02:00
ACEX1K.h fpga: Remove relocation fixups 2009-10-03 10:17:56 +02:00
addr_map.h Introduce addr_map library 2008-12-15 22:05:36 +01:00
ahci.h Update Freescale copyrights to remove "All Rights Reserved" 2009-07-29 09:59:22 +02:00
ali512x.h Move ali512x.h 2009-03-20 22:39:13 +01:00
altera.h fpga: Remove relocation fixups 2009-10-03 10:17:56 +02:00
amba_clcd.h video: add amba-clcd prime-cell 2010-01-27 21:23:14 +01:00
ambapp.h Coding Style cleanup; update CHANGELOG 2008-04-13 09:59:26 -07:00
api_public.h API: Improve glue mid-layer of the API demo application. 2009-02-18 00:39:44 +01:00
arm925t.h
armcoremodule.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
at45.h at91: rename DATAFLASH_MMC_SELECT to CONFIG_DATAFLASH_MMC_SELECT 2009-04-04 20:42:19 +02:00
at91rm9200_i2c.h
at91rm9200_net.h
ata.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
atmel_lcdc.h Add ATMEL LCD driver 2008-05-10 11:44:55 +02:00
bcd.h Replace BCD2BIN and BIN2BCD macros with inline functions 2009-08-25 12:57:55 +02:00
bcm5221.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
bmp_layout.h
bus_vcxk.h new video driver for bus vcxk framebuffers 2009-07-26 13:17:21 +02:00
bzlib.h
circbuf.h
clps7111.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
command.h relocation: fixup cmdtable 2010-09-19 19:29:51 +02:00
common.h Remove unused CONFIG_SERIAL_SOFTWARE_FIFO feature 2010-09-23 09:02:05 +02:00
commproc.h Drop support for GTH board 2010-07-17 20:47:08 +02:00
compiler.h include/compiler.h: remove redundant declaration of errno 2010-06-20 02:21:58 +02:00
config_cmd_all.h config_cmd_all.h: Sort entries alphabetically 2010-04-10 22:19:42 +02:00
config_cmd_default.h Add 'editenv' command 2009-10-27 20:58:25 +01:00
config_defaults.h gzip/zlib: make features optional 2010-01-26 00:04:57 +01:00
crc.h
da9030.h
dataflash.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
ddr_spd.h powerpc/8xxx: Enable DDR3 RDIMM support 2010-07-26 13:16:10 -05:00
div64.h Add a do_div() wrapper macro, lldiv(). 2009-01-24 00:23:09 +01:00
dm9000.h Add config option for disabling DM9000-SROM support. 2009-06-08 22:57:21 -07:00
dm9161.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
dp83848.h [ARM] TI DaVinci support, hopefully final 2007-08-10 20:26:18 +02:00
ds1722.h Misc ds1722 fixups 2009-09-04 21:54:52 +02:00
ds4510.h Add support for Maxim's DS4510 I2C device 2009-01-24 01:47:50 +01:00
dtt.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
e500.h ppc/p4080: Determine various chip frequencies on CoreNet platforms 2009-09-24 12:05:29 -05:00
elf.h compiler.h: unify system ifdef cruft here 2009-07-19 21:41:46 +02:00
environment.h New implementation for internal handling of environment variables. 2010-09-19 19:29:48 +02:00
errno.h Add basic errno support. 2010-09-19 19:29:47 +02:00
exports.h Remove support for CONFIG_HAS_UID and "forceenv" command 2010-09-19 19:29:47 +02:00
ext2fs.h
fat.h fs/fat: Big code cleanup. 2010-07-24 20:54:46 +02:00
fdc.h
fdt.h powerpc: Fix bootm to boot up again with a Ramdisk 2008-09-13 02:03:38 +02:00
fdt_support.h fdt: Add function to alloc phandle values 2010-07-26 13:07:56 -05:00
fis.h ata: add the fis struct for SATA 2008-03-26 23:38:54 +01:00
flash.h cfi_flash: Simplify dynamic flash bank number detection 2010-09-20 15:08:51 +02:00
fpga.h fpga: Remove relocation fixups 2009-10-03 10:17:56 +02:00
fsl_diu_fb.h fsl_diu_fb: further refactoring of FSL DIU code 2010-09-25 13:10:03 +02:00
fsl_esdhc.h ppc/85xx: PIO Support for FSL eSDHC Controller Driver 2010-04-23 21:02:30 -05:00
fsl_nfc.h Add MX25 support to nand_spl fsl nfc driver 2010-01-27 14:22:41 -06:00
fsl_pmic.h MX: Added Freescale Power Management Driver 2010-05-05 09:48:41 +02:00
hush.h hush: add showvar command for hush shell. 2008-10-18 21:54:02 +02:00
hwconfig.h Add simple hwconfig infrastructure 2009-07-16 22:23:53 +02:00
i2c.h fsl_i2c: Added a callpoint for i2c_board_late_init 2010-04-19 07:46:35 +02:00
i8042.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
ide.h mucmc52, uc101: delete ata@3a00 node, if no CF card is detected 2009-09-25 01:22:13 +02:00
image.h Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
iomux.h stdio/device: rework function naming convention 2009-07-18 00:27:46 +02:00
ioports.h Stop using immap_t for cpm offset on 85xx 2007-12-11 22:34:19 -06:00
keyboard.h
kgdb.h Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
ks8721.h Add support for Eukrea CPUAT91 SBC 2009-10-13 06:17:35 -05:00
lcd.h Enable PXAFB for PXA27X and PXA3XX 2010-07-14 22:41:39 +02:00
lcdvideo.h
lh7a40x.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
lh7a400.h
lh7a404.h
libata.h ata: update the libata.h from ata.h of linux kernel 2008-04-13 23:20:16 -07:00
libfdt.h libfdt: Fix C++ compile-time cast error on gnu 4.2.1 2009-04-01 19:30:27 -04:00
libfdt_env.h compiler.h: unify system ifdef cruft here 2009-07-19 21:41:46 +02:00
linux_logo.h
lmb.h lmb: only force on arches that use it 2010-01-21 22:26:00 +01:00
logbuff.h Avoid initrd and logbuffer area overlaps 2008-06-03 19:34:19 +02:00
lpd7a400_cpld.h
lxt971a.h Remove duplicate definitions in include/lxt971a.h. 2008-07-06 23:44:34 -07:00
lynxkdi.h
malloc.h Consolidate arch-specific mem_malloc_init() implementations 2009-09-04 21:47:07 +02:00
mb862xx.h video: mb862xx: improve board-specific Lime configuration 2009-10-31 12:13:28 +01:00
mc13892.h MX: Added definition file for MC13892 2010-05-05 09:48:41 +02:00
MCD_dma.h ColdFire: Add MCF547x_8x dma code and header files 2008-01-17 14:59:42 -06:00
MCD_progCheck.h ColdFire: Add MCF547x_8x dma code and header files 2008-01-17 14:59:42 -06:00
MCD_tasksInit.h ColdFire: Add MCF547x_8x dma code and header files 2008-01-17 14:59:42 -06:00
mg_disk.h mflash: Initial mflash support 2009-04-03 23:47:06 +02:00
mii_phy.h
miiphy.h miiphy: constify device name 2010-08-09 11:52:29 -07:00
mk48t59.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
mmc.h AT91: MCI: add SD/MMC driver using mmc framework 2010-09-03 11:19:01 +02:00
mpc5xx.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
mpc5xxx.h mpc5xxx: Remove all references to MGT5100 2010-03-21 22:44:42 +01:00
mpc5xxx_sdma.h Move MPC5xxx_FEC driver to drivers/net 2008-08-29 13:58:07 -06:00
mpc8xx.h
mpc8xx_irq.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
mpc83xx.h 83xx: Remove warmboot parameter from PCI init functions 2010-09-23 21:14:42 +02:00
mpc85xx.h 83xx/85xx/86xx: LBC register cleanup 2010-07-16 10:55:09 -05:00
mpc86xx.h mpc86xx: set the DDR BATs after calculating true DDR size 2010-03-30 10:50:22 -05:00
mpc106.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
mpc824x.h powerpc: Move duplicated BAT defines to mmu.h 2009-02-10 00:27:40 +01:00
mpc8220.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
mpc8260.h
mpc8260_irq.h
mtd_node.h fdt_support: add partitions fixup in mtd node 2010-03-21 22:44:59 +01:00
nand.h NAND: environment offset in OOB (CONFIG_ENV_OFFSET_OOB) 2010-07-12 13:56:46 -05:00
net.h Integrate USB gadget layer and USB CDC driver layer 2010-09-20 21:57:16 +02:00
netdev.h mvgbe: support SoCs other than kirkwood 2010-07-12 23:40:31 -07:00
nios2-epcs.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
nios2-io.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
nios2-yanu.h nios2: Added support to YANU UART 2010-03-21 22:44:42 +01:00
nios2.h
nomadik.h include/nomadik.h: add physical address for cldc 2010-01-27 21:23:23 +01:00
ns7520_eth.h Remove duplicate definitions in include/lxt971a.h. 2008-07-06 23:44:34 -07:00
ns9750_bbus.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
ns9750_eth.h Remove duplicate definitions in include/lxt971a.h. 2008-07-06 23:44:34 -07:00
ns9750_mem.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
ns9750_ser.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
ns9750_sys.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
ns16550.h Move arch/ppc to arch/powerpc 2010-04-21 23:42:38 +02:00
ns87308.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
onenand_uboot.h Flex-OneNAND driver support 2009-11-13 16:56:18 -06:00
part.h mflash: Initial mflash support 2009-04-03 23:47:06 +02:00
pc_keyb.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
pca953x.h Add support for PCA953x I2C gpio devices 2008-12-19 18:11:49 -06:00
pca9564.h Prepare v2010.03-rc1 2010-03-12 23:06:04 +01:00
pci.h pci/fsl_pci_init: Use PCIe capability to determine if controller is PCIe 2009-08-28 17:12:36 -05:00
pci_ids.h video: sm501: add support for SM501 chips on PCI bus 2010-06-14 12:29:26 +02:00
pcmcia.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
post.h mpc5121: pdm360ng: add coprocessor POST 2010-04-24 22:56:41 +02:00
ppc_asm.tmpl powerpc: fix wrong comment at GOT definitions 2010-06-29 23:03:40 +02:00
ppc_defs.h
ps2mult.h Rename common ns16550 constants with UART_ prefix to prevent conflicts 2009-04-03 22:34:07 +02:00
radeon.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
reiserfs.h
rtc.h Switch from per-driver to common definition of bin2bcd and bcd2bin 2009-08-25 12:57:55 +02:00
s6e63d6.h A driver for the S6E63D6 SPI display controller from Samsung 2009-02-24 10:00:28 +01:00
s_record.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
SA-1100.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
sata.h SATA: do not auto-initialize during boot 2009-01-27 23:42:39 +01:00
scsi.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
search.h Add hash table support as base for new environment code 2010-09-19 19:29:47 +02:00
sed156x.h
sed13806.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
serial.h Merge branch 'master' of git://git.denx.de/u-boot-samsung 2010-09-08 00:03:22 +02:00
sha1.h Add support for calculating hashes with watchdog triggering 2008-04-25 00:01:06 +02:00
sha256.h include/sha256.h: fix file permissions. 2008-07-06 01:21:46 +02:00
sja1000.h Add minimal SJA1000 header for basic CAN mode 2009-11-17 13:19:58 +01:00
sm501.h
smiLynxEM.h
spartan2.h fpga: Remove relocation fixups 2009-10-03 10:17:56 +02:00
spartan3.h add block write function to spartan3 slave serial load 2010-03-24 11:08:43 -05:00
spd.h
spd_sdram.h
spi.h Move conditional compilation of MPC8XXX SPI driver to Makefile 2008-07-01 21:02:11 +02:00
spi_flash.h spi_flash.h: pull in linux/types.h for u## types 2009-11-24 23:40:39 +01:00
status_led.h Remove HMI10 board support 2010-09-19 21:28:25 +02:00
stdio_dev.h console: unify printing current devices 2009-07-19 01:02:46 +02:00
stratixII.h fpga: Remove relocation fixups 2009-10-03 10:17:56 +02:00
sym53c8xx.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
systemace.h
timestamp.h Update U-Boot's build timestamp on every compile 2008-12-06 23:36:43 +01:00
tsec.h tsec: Add TSEC_FIBER flag 2010-01-31 22:34:34 -08:00
tsi108.h
tsi148.h Add support for the Tundra TSI148 VME-bridge 2009-07-19 11:21:08 +02:00
twl4030.h ARMV7: OMAP: add convenience function to set TWL4030 regulator voltages 2010-09-08 14:50:23 -04:00
twl6030.h ARMV7: Add support for the TWL6030 I2C power chip used in OMAP4 systems 2010-08-05 10:11:30 -04:00
tws.h drivers/twserial: Add protocol driver for "three wire serial" interface. 2009-03-30 09:38:36 +02:00
ubi_uboot.h UBI: Fix problem in UBI/Linux "compatibility layer" 2010-05-19 10:57:24 +02:00
universe.h
usb.h musb: MSC host support for AM35x 2010-08-12 16:40:00 +02:00
usb_cdc_acm.h
usb_defs.h Prepare USB layer for ehci 2009-01-28 19:57:27 +01:00
usbdescriptors.h USB add macros for debugging usb device setup. 2009-12-20 12:47:37 +01:00
usbdevice.h USB add macros for debugging usb device setup. 2009-12-20 12:47:37 +01:00
version.h Makefile: fix "error: version_autogenerated.h: No such file or directory" 2008-05-13 23:15:52 +02:00
vfd_logo.h
video.h
video_ad7176.h
video_ad7177.h
video_ad7179.h
video_easylogo.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
video_fb.h video: cleanup comments in cfb_console.c and video_fb.h 2010-07-17 00:05:14 +02:00
video_font.h
video_logo.h Big white-space cleanup. 2008-05-21 00:14:08 +02:00
virtex2.h fpga: Remove relocation fixups 2009-10-03 10:17:56 +02:00
vsc7385.h Cleanup coding style, update CHANGELOG 2008-03-26 11:48:46 +01:00
vxworks.h Make sure that argv[] argument pointers are not modified. 2010-07-04 23:55:42 +02:00
w83c553f.h rename CFG_ macros to CONFIG_SYS 2008-10-18 21:54:03 +02:00
watchdog.h nios: remove nios-32 arch 2010-05-28 10:56:04 -04:00
xilinx.h add block write function to spartan3 slave serial load 2010-03-24 11:08:43 -05:00
xyzModem.h