upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support

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Haavard Skinnemoen d255bb0e78 SPI API improvements ... This patch gets rid of the spi_chipsel table and adds a handful of new functions that makes the SPI layer cleaner and more flexible. Instead of the spi_chipsel table, each board that wants to use SPI gets to implement three hooks: * spi_cs_activate(): Activates the chipselect for a given slave * spi_cs_deactivate(): Deactivates the chipselect for a given slave * spi_cs_is_valid(): Determines if the given bus/chipselect combination can be activated. Not all drivers may need those extra functions however. If that's the case, the board code may just leave them out (assuming they know what the driver needs) or rely on the linker to strip them out (assuming --gc-sections is being used.) To set up communication parameters for a given slave, the driver needs to call spi_setup_slave(). This returns a pointer to an opaque spi_slave struct which must be passed as a parameter to subsequent SPI calls. This struct can be freed by calling spi_free_slave(), but most driver probably don't want to do this. Before starting one or more SPI transfers, the driver must call spi_claim_bus() to gain exclusive access to the SPI bus and initialize the hardware. When all transfers are done, the driver must call spi_release_bus() to make the bus available to others, and possibly shut down the SPI controller hardware. spi_xfer() behaves mostly the same as before, but it now takes a spi_slave parameter instead of a spi_chipsel function pointer. It also got a new parameter, flags, which is used to specify chip select behaviour. This may be extended with other flags in the future. This patch has been build-tested on all powerpc and arm boards involved. I have not tested NIOS since I don't have a toolchain for it installed, so I expect some breakage there even though I've tried fixing up everything I could find by visual inspection. I have run-time tested this on AVR32 ATNGW100 using the atmel_spi and DataFlash drivers posted as a follow-up. I'd like some help testing other boards that use the existing SPI API. But most of all, I'd like some comments on the new API. Is this stuff usable for everyone? If not, why? Changed in v4: - Build fixes for various boards, drivers and commands - Provide common struct spi_slave definition that can be extended by drivers - Pass a struct spi_slave * to spi_cs_activate and spi_cs_deactivate - Make default bus and mode build-time configurable - Override default SPI bus ID and mode on mx32ads and imx31_litekit. Changed in v3: - Add opaque struct spi_slave for controller-specific data associated with a slave. - Add spi_claim_bus() and spi_release_bus() - Add spi_free_slave() - spi_setup() is now called spi_setup_slave() and returns a struct spi_slave - soft_spi now supports four SPI modes (CPOL|CPHA) - Add bus parameter to spi_setup_slave() - Convert the new i.MX32 SPI driver - Convert the new MC13783 RTC driver Changed in v2: - Convert the mpc8xxx_spi driver and the mpc8349emds board to the new API. Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com> Tested-by: Guennadi Liakhovetski <lg@denx.de>		17 years ago
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AtmarkTechno/suzaku	…
BuS/EB+MCF-EV123	Fix config files for out-of-tree building	17 years ago
LEOX/elpt860	Remove all the search paths from the .lds files.	17 years ago
MAI	Big white-space cleanup.	17 years ago
Marvell	Big white-space cleanup.	17 years ago
MigoR	Big white-space cleanup.	17 years ago
RPXClassic	Big white-space cleanup.	17 years ago
RPXlite	Big white-space cleanup.	17 years ago
RPXlite_dw	Big white-space cleanup.	17 years ago
RRvision	Big white-space cleanup.	17 years ago
a3000	Big white-space cleanup.	17 years ago
actux1	actua1/actua2/actua3: Fix multiple unused variable warnings	17 years ago
actux2	actua1/actua2/actua3: Fix multiple unused variable warnings	17 years ago
actux3	actua1/actua2/actua3: Fix multiple unused variable warnings	17 years ago
actux4	add AcTux-4 board support	17 years ago
adder	Big white-space cleanup.	17 years ago
ads5121	Make ads5121 out-of-tree compiling safe	17 years ago
adsvix	…
alaska	…
altera	…
amcc	SPI API improvements	17 years ago
amirix/ap1000	Big white-space cleanup.	17 years ago
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atmel	Merge remote branch 'u-boot-at91/for-1.3.4'	17 years ago
atum8548	Big white-space cleanup.	17 years ago
barco	Big white-space cleanup.	17 years ago
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bf533-ezkit	Big white-space cleanup.	17 years ago
bf533-stamp	Big white-space cleanup.	17 years ago
bf537-stamp	Blackfin: unify cpu and boot modes	17 years ago
bf561-ezkit	Blackfin: unify cpu and boot modes	17 years ago
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dbau1x00	[MIPS] <asm/mipsregs.h>: Update coprocessor register access macros	17 years ago
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eltec	Big white-space cleanup.	17 years ago
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freescale	SPI API improvements	17 years ago
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g2000	Big white-space cleanup.	17 years ago
gaisler	SPARC/LEON2: added support for Gaisler simulator GRSIM/TSIM for SPARC/LEON2 targets. See www.gaisler.com for information.	17 years ago
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gth2	[MIPS] <asm/mipsregs.h>: Update coprocessor register access macros	17 years ago
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hermes	Big white-space cleanup.	17 years ago
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hmi1001	HMI1001: fix compile problem.	17 years ago
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imx31_litekit	Big white-space cleanup.	17 years ago
imx31_phycore	Big white-space cleanup.	17 years ago
incaip	Use jr as register jump instruction	17 years ago
inka4x0	inka4x0: remove dead code	17 years ago
innokom	Big white-space cleanup.	17 years ago
integratorap	Big white-space cleanup.	17 years ago
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lubbock	Big white-space cleanup.	17 years ago
lwmon	Big white-space cleanup.	17 years ago
lwmon5	Big white-space cleanup.	17 years ago
m501sk	use correct at91rm9200 register name in m501sk board	17 years ago
m5271evb	Big white-space cleanup.	17 years ago
m5272c3	Big white-space cleanup.	17 years ago
m5282evb	Big white-space cleanup.	17 years ago
mbx8xx	Big white-space cleanup.	17 years ago
mcc200	[new uImage] Update naming convention for bootm/uImage related code	17 years ago
mgcoge	mgcoge: update board configuration	17 years ago
mgsuvd	Big white-space cleanup.	17 years ago
ml2	Big white-space cleanup.	17 years ago
modnet50	…
motionpro	…
mousse	Big white-space cleanup.	17 years ago
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mpc8540eval	Big white-space cleanup.	17 years ago
mpl	Big white-space cleanup.	17 years ago
mpr2	Coding Style cleanup; update CHANGELOG	17 years ago
ms7720se	sh: Fix board name in MS7720SE's config.mk	17 years ago
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munices	Big white-space cleanup.	17 years ago
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mx31ads	mx31ads: fix 32kHz clock handling	17 years ago
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pb1x00	[MIPS] <asm/mipsregs.h>: Update coprocessor register access macros	17 years ago
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prodrive	Big white-space cleanup.	17 years ago
psyent	…
purple	Fix some whitespace issues	17 years ago
pxa255_idp	Big white-space cleanup.	17 years ago
qemu-mips	[MIPS] <asm/mipsregs.h>: Update coprocessor register access macros	17 years ago
quad100hd	ppc4xx: Add the Harris QUAD100HD AMCC 405EP-based board	17 years ago
quantum	Big white-space cleanup.	17 years ago
r2dplus	sh: Add support Renesas Solutions R2D plus board	17 years ago
r360mpi	Big white-space cleanup.	17 years ago
r7780mp	Big white-space cleanup.	17 years ago
rattler	…
rbc823	Big white-space cleanup.	17 years ago
rmu	Big white-space cleanup.	17 years ago
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rsdproto	Big white-space cleanup.	17 years ago
sacsng	SPI API improvements	17 years ago
sandburst	Big white-space cleanup.	17 years ago
sandpoint	Big white-space cleanup.	17 years ago
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sbc8349	Remove erroneous or extra spd.h #includers.	17 years ago
sbc8548	Big white-space cleanup.	17 years ago
sbc8560	Big white-space cleanup.	17 years ago
sbc8641d	Big white-space cleanup.	17 years ago
sc3	Big white-space cleanup.	17 years ago
sc520_cdp	Big white-space cleanup.	17 years ago
sc520_spunk	Big white-space cleanup.	17 years ago
scb9328	scb9328: Fix flash warning: type qualifiers ignored on function return type	17 years ago
shannon	…
siemens	Big white-space cleanup.	17 years ago
sixnet	Big white-space cleanup.	17 years ago
sl8245	Big white-space cleanup.	17 years ago
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smdk2410	Big white-space cleanup.	17 years ago
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socrates	socrates: changes to support FDT	17 years ago
sorcery	…
spc1920	Big white-space cleanup.	17 years ago
spd8xx	Big white-space cleanup.	17 years ago
ssv	SPI API improvements	17 years ago
stxgp3	Big white-space cleanup.	17 years ago
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sx1	…
tb0229	[MIPS] Introduce _machine_restart	17 years ago
total5200	Big white-space cleanup.	17 years ago
tqm8xx	Big white-space cleanup.	17 years ago
tqm85xx	Remove all the search paths from the .lds files.	17 years ago
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tqm5200	Big white-space cleanup.	17 years ago
tqm8260	Big white-space cleanup.	17 years ago
tqm8272	TQM8272: fix out-of-tree building	17 years ago
trab	Big white-space cleanup.	17 years ago
trizepsiv	Fix defined but not used build warning	17 years ago
uc100	Big white-space cleanup.	17 years ago
uc101	…
utx8245	Big white-space cleanup.	17 years ago
v37	Big white-space cleanup.	17 years ago
v38b	Fix config files for out-of-tree building	17 years ago
versatile	Big white-space cleanup.	17 years ago
voiceblue	Big white-space cleanup.	17 years ago
w7o	Big white-space cleanup.	17 years ago
wepep250	Big white-space cleanup.	17 years ago
westel/amx860	Big white-space cleanup.	17 years ago
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xilinx	Big white-space cleanup.	17 years ago
xm250	ARM: remove useless function board_post_init	17 years ago
xpedite1k	Big white-space cleanup.	17 years ago
xsengine	Big white-space cleanup.	17 years ago
zeus	Big white-space cleanup.	17 years ago
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zylonite	…