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32237 commits

Author SHA1 Message Date
Marek Vasut
cd9b731771 arm: socfpga: Unbind CPU type from board type
The CONFIG_TARGET_SOCFPGA_CYCLONE5 and CONFIG_TARGET_SOCFPGA_ARRIA5
selected both a board and a CPU. This is not correct as these macros
are supposed to select only board.

All would be good, if QTS-generated header files didn't check for
these macros exactly to determine if the platform is Cyclone V or
Arria V. Thus, for the sake of compatibility with not well fleshed
out header file generator, this patch makes these two macros into
a stub config option and introduces new CONFIG_TARGET_SOCFPGA_CYCLONE5_SOCDK
and CONFIG_TARGET_SOCFPGA_ARRIA5_SOCDK targets, which select the
previous stub config option.

The result is that compatibility with QTS is preserved and the new
CONFIG_TARGET_* select actual target boards.

Signed-off-by: Marek Vasut <marex@denx.de>
2015-08-23 11:56:19 +02:00
Marek Vasut
ca62d2e1fc arm: socfpga: Move wrappers into platform directory
Move the wrappers for QTS-generated files into platform directory
out of the board directory. The trick here is to add -I to CFLAGS
such that it points to the board directory in source tree and thus
the qts/ directory there is still reachable.

Signed-off-by: Marek Vasut <marex@denx.de>
2015-08-23 11:56:19 +02:00
Marek Vasut
c2624240dd arm: socfpga: Do not enable gmac1 in Cyclone V dtsi
The GMAC which is enabled is purely board property, so do not enable
arbitrary GMAC in DT include files. Same goes for PHY mode, which is
again a board property. The CycloneV SoCDK does this correctly, but
SoCrates doesn't. This bug never manifested itself though, since all
the boards ever used the GMAC1 . This bug manifests itself only on
boards that utilise GMAC0.

Signed-off-by: Marek Vasut <marex@denx.de>
2015-08-23 11:56:19 +02:00
Marek Vasut
afe139938a arm: socfpga: Make the DT mmc node consistent
The socfpga_cyclone5.dtsi has an mmc0 node, socrates has mmc node.
This makes aliases not very usable, so make everything into mmc0.
Moreover, zap the useless mmc alias while at this.

Signed-off-by: Marek Vasut <marex@denx.de>
2015-08-23 11:56:19 +02:00
Marek Vasut
7e4d2fa2ed arm: socfpga: Fix delay in clock manager
This code claims it needs to wait 7us, yet it uses get_timer() function
which operates with millisecond granularity. Use timer_get_us() instead,
which operates with microsecond granularity.

Signed-off-by: Marek Vasut <marex@denx.de>
2015-08-23 11:56:19 +02:00
Marek Vasut
a8535c306c arm: socfpga: Fix delay in freeze controller
Based on observation, this udelay(20) was apparently too high and caused
subsequent failure to calibrate DDR when U-Boot was compiled with certain
toolchains. Lowering this delay fixed the problem.

Instead of permanently lowering the delay, calculate the correct delay
based on the original comment, that is, obtain EOSC1 frequency and use
it to calculate the precise delay.

Signed-off-by: Marek Vasut <marex@denx.de>
2015-08-23 11:56:19 +02:00
Marek Vasut
35e47b7132 ddr: altera: Repair uninited variable
Fix the following problem:
drivers/ddr/altera/sequencer.c: In function 'sdram_calibration_full':
drivers/ddr/altera/sequencer.c:1943:25: warning: 'found_failing_read' may be used uninitialized in this function [-Wmaybe-uninitialized]
  if (found_passing_read && found_failing_read)
                         ^
drivers/ddr/altera/sequencer.c:1803:26: note: 'found_failing_read' was declared here
  u32 found_passing_read, found_failing_read, initial_failing_dtap;
                          ^

Signed-off-by: Marek Vasut <marex@denx.de>
2015-08-23 11:56:19 +02:00
Marek Vasut
6d7a33301a ddr: altera: Replace float multiplication with integer one
This gem is really really rare, there was an actual float used in
the Altera DDR init code, which pulled in floating point ops from
the libgcc, just wow.

Since we don't support floating point operations the same way Linux
does not support them, replace this with an integer multiplication
and division combo. This removes some 2kiB of size from the SPL as
the floating point ops are no longer pulled in from libgcc.

This was detected by enabling CONFIG_USE_PRIVATE_LIBGCC=y , which
does not contain the floating point bits.

Signed-off-by: Marek Vasut <marex@denx.de>
2015-08-23 11:56:19 +02:00
Masahiro Yamada
8d77576371 ARM: davinci: remove support for cam_enc_4xx
This has not been converted to Generic Board, so should be removed.
(See doc/README.generic-board for details.)

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Heiko Schocher <hs@denx.de>
Acked-by: Marek Vasut <marex@denx.de>
2015-08-20 12:55:50 -04:00
Tom Rini
a5d338b2f2 Merge git://git.denx.de/u-boot-usb 2015-08-19 18:04:48 -04:00
Marek Vasut
7a1386f96b usb: dwc2: Rename to dwc2_usb
This driver is not used only on exynos, but also on Altera SoCFPGA,
HiSilicon SoCs, RPi etc, so rename it accordingly to prevent confusion.

Signed-off-by: Marek Vasut <marex@denx.de>
2015-08-19 22:31:39 +02:00
Marek Vasut
f522f9475f usb: dwc2: Add original Synopsys compat string
Add the Synopsys compatible string. This is used in SoCFPGA DT files.

Signed-off-by: Marek Vasut <marex@denx.de>
2015-08-19 22:31:39 +02:00
Kishon Vijay Abraham I
5df1315211 usb: gadget: ether: populate _reset_ callback
populate _reset_ callback to the USB ethernet gadget since UDC core
expects every gadget driver to have the reset callback. This shouldn't
be needed once the ethernet gadget driver is adapted to use the
composite driver.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
2015-08-19 22:30:31 +02:00
Kishon Vijay Abraham I
f181144361 usb: host: xhci-omap: invoke board_usb_cleanup in xhci_hcd_stop
xhci omap driver has board_usb_init in xhci_hcd_init but doesn't have
the corresponding cleanup function in xhci_hcd_stop.

Fix it here by invoking board_usb_cleanup() in xhci_hcd_stop().

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Marek Vasut <marex@denx.de>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
2015-08-19 22:30:31 +02:00
Kishon Vijay Abraham I
8bfc288c39 usb: gadget: ether: Perform board initialization from ethernet gadget driver
Ethernet gadget driver can be used both by both SPL and u-boot. Since
usb_eth_init() is the entry point for ethernet gadget driver, perform
board initialization there. Also perform the cleanup in usb_eth_halt.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Marek Vasut <marex@denx.de>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Lukasz Majewski <l.majewski@samsung.com>
2015-08-19 22:30:31 +02:00
Sergey Temerkhanov
a5ccda47f1 usb: xhci: Fix a potential NULL pointer dereference
This patch fixes a potential NULL pointer dereference arising on
non-present/non-initialized xHCI controllers and adds some error
handling to xHCI code

Signed-off-by: Sergey Temerkhanov <s.temerkhanov@gmail.com>
Signed-off-by: Radha Mohan Chintakuntla <rchintakuntla@cavium.com>
2015-08-19 22:30:20 +02:00
Stefan Roese
e8d056989a usb: spear: Add support for both SPEAr600 EHCI controllers
USB EHCI on SPEAr600 has not been tested for a while. The base controller
addresses are missing. This patch adds the defines to the header. And adds
the missing code.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Vipin Kumar <vk.vipin@gmail.com>
Cc: Marek Vasut <marex@denx.de>
2015-08-19 22:30:20 +02:00
Adrian Alonso
f0c89d5463 imx: usb: ehci-mx6: wait_for_bit to check reg status
Add wait_for_bit to check reg bit status and replace unbounded
loops to check usb command status

Signed-off-by: Adrian Alonso <aalonso@freescale.com>
2015-08-19 22:30:20 +02:00
Adrian Alonso
35554fc9a1 imx: usb: ehci-mx6: add usb support for imx7d soc
Extend ehci-mx6 usb driver to support imx7d usb

Signed-off-by: Adrian Alonso <aalonso@freescale.com>
2015-08-19 22:30:20 +02:00
Adrian Alonso
74f0610eb4 imx: usb: ehci-mx6: document board specific functions
Document target board specific functions

board_ehci_hcd_init - override usb phy mode
board_ehci_hcd_init - set usb vbus voltage
board_ehci_power - enables/disables usb vbus voltage

Signed-off-by: Adrian Alonso <aalonso@freescale.com>
2015-08-19 22:30:20 +02:00
Adrian Alonso
e38ff30a55 imx: usb: ehci-mx6: reg accessor cleanups
Cleanup read/write register access, use clr/set bits_le32

Signed-off-by: Adrian Alonso <aalonso@freescale.com>
2015-08-19 22:30:19 +02:00
Michal Simek
d1221462fe zynqmp: enable CONFIG_NET_RANDOM_ETHADDR
We have to set a MAC address to use network.
Otherwise, the tftpboot command fails with the following message:

  Gem.e000b000 Waiting for PHY auto negotiation to complete........ done
  *** ERROR: `ethaddr' not set

Since commit 92ac520821 ("net: Remove all references to
CONFIG_ETHADDR and friends"), we can not use CONFIG_ETHADDR.

The easiest way to set a MAC address is to enable
CONFIG_NET_RANDOM_ETHADDR.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2015-08-19 11:28:21 +02:00
Michal Simek
f0600af212 ARM: dts: Rename memory@0 to memory
zynq-7000.dtsi include skeleton.dtsi which contains memory node with
base address and size zero. If you add memory@0 node to the platform DTS
in final DTB there are two memory nodes and U-Boot works with the first
one (with zeros) which end up in failing in dram_init because size is
zero.
Platform memory node should rewrite default memory node setup from
skeleton.dtsi that's why platfroms needs to also use memory as node name
instead of memory@0.

Reported-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2015-08-19 11:28:15 +02:00
Masahiro Yamada
739968f2ad zynq: enable CONFIG_NET_RANDOM_ETHADDR
We have to set a MAC address to use network.
Otherwise, the tftpboot command fails with the following message:

  Gem.e000b000 Waiting for PHY auto negotiation to complete........ done
  *** ERROR: `ethaddr' not set

Since commit 92ac520821 ("net: Remove all references to
CONFIG_ETHADDR and friends"), we can not use CONFIG_ETHADDR.

The easiest way to set a MAC address is to enable
CONFIG_NET_RANDOM_ETHADDR.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2015-08-19 11:27:54 +02:00
Michal Simek
98b532b420 zynq: Make CONFIG_OF_EMBED default case
Use embedded DTB to let users use u-boot instead of u-boot-dtb.bin.
And fix SPL to use this target.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2015-08-19 11:27:48 +02:00
Siva Durga Prasad Paladugu
16fa00a711 zynqmp: usb: Add usb dwc3 driver support for zynqmp
Added usb dwc3 driver support for zynqmp
this also supports the DFU and LTHOR to download
the linux images on to RAM and cen be booted from
those linux images.

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2015-08-19 11:27:30 +02:00
Masahiro Yamada
ff560a1305 ARM: zynq: drop "optional" from board select in favor of ZC702
One disadvantage of commit a26cd04920 (arch: Make board selection
choices optional) is that Kconfig could create such an insane
.config file that no board is selected.

Rip off the "optional" again in favor of ZC702 as the default
target.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2015-08-19 11:27:21 +02:00
Siva Durga Prasad Paladugu
84696ff57b board: Xilinx: zynqmp: Define checkboard() function
Define checkboard() function for zynqMP

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2015-08-19 11:26:59 +02:00
Michal Simek
be1a8c27c4 configs: zynqmp: Enable networking by default for EP108
Enable networking for EP108 by default.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2015-08-19 11:26:51 +02:00
Michal Simek
bb446b7a98 ARM: zynqmp_ep: Enable ethernet for EP
Enable gem0 and setup phy addr for EP.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2015-08-19 11:26:23 +02:00
Michal Simek
37ecd04fe3 ARM: zynqmp: Add platform specific arch_get_page_table
Based on the patch:
"armv8: caches: Added routine to set non cacheable region"
(sha1: dad17fd510)
it is necessary to add platform specific hook.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2015-08-19 11:25:50 +02:00
Michal Simek
cb526c1c88 zynqmp: Enable U-Boot run in EL3
Enable Secure IOU setup to enable U-Boot to run in EL3 without
setting from ATF.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
2015-08-19 11:23:13 +02:00
Masahiro Yamada
0f9258228e of: clean up OF_CONTROL ifdef conditionals
We have flipped CONFIG_SPL_DISABLE_OF_CONTROL.  We have cleansing
devices, $(SPL_) and CONFIG_IS_ENABLED(), so we are ready to clear
away the ugly logic in include/fdtdec.h:

 #ifdef CONFIG_OF_CONTROL
 # if defined(CONFIG_SPL_BUILD) && !defined(SPL_OF_CONTROL)
 #  define OF_CONTROL 0
 # else
 #  define OF_CONTROL 1
 # endif
 #else
 # define OF_CONTROL 0
 #endif

Now CONFIG_IS_ENABLED(OF_CONTROL) is the substitute.  It refers to
CONFIG_OF_CONTROL for U-boot proper and CONFIG_SPL_OF_CONTROL for
SPL.

Also, we no longer have to cancel CONFIG_OF_CONTROL in
include/config_uncmd_spl.h and scripts/Makefile.spl.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
2015-08-18 13:46:05 -04:00
Masahiro Yamada
dffb86e468 of: flip CONFIG_SPL_DISABLE_OF_CONTROL into CONFIG_SPL_OF_CONTROL
As we discussed a couple of times, negative CONFIG options make our
life difficult; CONFIG_SYS_NO_FLASH, CONFIG_SYS_DCACHE_OFF, ...
and here is another one.

Now, there are three boards enabling OF_CONTROL on SPL:
 - socfpga_arria5_defconfig
 - socfpga_cyclone5_defconfig
 - socfpga_socrates_defconfig

This commit adds CONFIG_SPL_OF_CONTROL for them and deletes
CONFIG_SPL_DISABLE_OF_CONTROL from the other boards to invert
the logic.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2015-08-18 13:46:04 -04:00
Masahiro Yamada
cc7aebe819 fdtdec: fix OF_CONTROL switch
There is no case where defined(SPL_DISABLE_OF_CONTROL) is true.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2015-08-18 13:46:04 -04:00
Masahiro Yamada
0a5804b53a dm: drop CONFIG_DM_DEVICE_REMOVE from uncmd list
We do not want to compile the DM remove code for SPL.  Currently,
we undef it in include/config_uncmd_spl.h (for C files) and in
scripts/Makefile.uncmd_spl (for Makefiles).  This is really ugly.

This commit demonstrates how we can deprecate those two files.

Use $(SPL_) for the entry in the Makfile and CONFIG_IS_ENABLED()
in C files.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2015-08-18 13:46:04 -04:00
Masahiro Yamada
e00e8b3989 led: unify obj-$(CONFIG_LED) and obj-$(CONFIG_SPL_LED) entries
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Stefano Babic <sbabic@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
2015-08-18 13:46:03 -04:00
Masahiro Yamada
f0cd245448 led: rename CONFIG_SPL_LED_SUPPORT to CONFIG_SPL_LED
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2015-08-18 13:46:03 -04:00
Masahiro Yamada
26d5fa805d ram: unify obj-$(CONFIG_RAM) and obj-$(CONFIG_SPL_RAM) entries
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2015-08-18 13:46:02 -04:00
Masahiro Yamada
40c9abbd6b ram: rename CONFIG_SPL_RAM_SUPPORT to CONFIG_SPL_RAM
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2015-08-18 13:46:02 -04:00
Masahiro Yamada
5525958346 clk: unify obj-$(CONFIG_CLK) and obj-$(CONFIG_SPL_CLK) entries
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Stefano Babic <sbabic@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
2015-08-18 13:46:02 -04:00
Masahiro Yamada
0543589118 clk: rename CONFIG_SPL_CLK_SUPPORT to CONFIG_SPL_CLK
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Stefano Babic <sbabic@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
2015-08-18 13:46:01 -04:00
Masahiro Yamada
040906f68d dm: unify obj-$(CONFIG_DM) and obj-$(CONFIG_SPL_DM) entries
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2015-08-18 13:46:01 -04:00
Masahiro Yamada
d6c2ac5b75 spl: move SPL driver entries to driver/Makefile
Just preparing for upcoming cleaning.

The board-specific linker script  board/vpac270/u-boot-spl.lds
has been touched to avoid build error.  It does not change the
size of spl/u-boot-spl.bin for this board, so it should be OK.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Stefano Babic <sbabic@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
2015-08-18 13:46:00 -04:00
Masahiro Yamada
8be60f06c2 linux/kconfig.h: add CPP macros useful for per-image config options
The previous commit introduced a useful macro used in makefiles,
in order to reference to different variables (CONFIG_... or
CONFIG_SPL_...) depending on the build context.

Per-image config option control is a PITA in C sources, too.
Here are some macros useful in C/CPP expressions.

CONFIG_IS_ENABLED(FOO) can be used as a shorthand for

  (!defined(CONFIG_SPL_BUILD) && defined(CONFIG_FOO)) || \
   (defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_FOO))

For example, it is useful to describe C code as follows,

  #if CONFIG_IS_ENABLED(OF_CONTROL)
      (device tree code)
  #else
      (board file code)
  #endif

The ifdef conditional above is switched by CONFIG_OF_CONTROL during
the U-Boot proper building (CONFIG_SPL_BUILD is not defined), and by
CONFIG_SPL_OF_CONTROL during SPL building (CONFIG_SPL_BUILD is
defined).

The macro can be used in C context as well, so you can also write the
equivalent code as follows:

  if (CONFIG_IS_ENABLED(OF_CONTROL)) {
      (device tree code)
  } else {
      (board file code)
  }

Another useful macro is CONFIG_VALUE().
CONFIG_VALUE(FOO) is expanded into CONFIG_FOO if CONFIG_SPL_BUILD is
undefined, and into CONFIG_SPL_FOO if CONFIG_SPL_BUILD is defined.

You can write as follows:

  text_base = CONFIG_VALUE(TEXT_BASE);

instead of:

  #ifdef CONFIG_SPL_BUILD
      text_base = CONFIG_SPL_TEXT_BASE;
  #else
      text_base = CONFIG_TEXT_BASE;
  #endif

This commit also adds slight hacking on fixdep so that it can
output a correct list of fixed dependencies.

If the fixdep finds CONFIG_IS_ENABLED(FOO) in a source file,
we want
    $(wildcard include/config/foo.h)
in the U-boot proper building context, while we want
    $(wildcard include/config/spl/foo.h)
in the SPL build context.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2015-08-18 13:46:00 -04:00
Masahiro Yamada
04a5c40601 kbuild: add a makefile macro useful with per-image config options
Commit e02ee2548a ("kconfig: switch to single .config
configuration") made the configuration itself pretty simple,
instead, we lost the way to systematically enable/disable config
options for each image independently.

Our current strategy is, put entries into Makefile.spl for options
we need separate enabling, or once enable the options globally in
Kconfig and then undef them in Makefile.uncmd_spl if we do not want
to compile the features for SPL at all.  Things are getting really
messy.  Besides, "ifdef CONFIG_SPL_BUILD" are sprinkled everywhere
in makefiles.

This commit adds a variable to help describe makefile simpler.

$(SPL_) evaluates to "SPL_" during the SPL build, while to an empty
string during building U-boot proper.

So, you can write

  obj-$(CONFIG_$(SPL_)FOO) += foo.o

instead of

  ifdef CONFIG_SPL_BUILD
  obj-$(CONFIG_SPL_FOO) += foo.o
  else
  obj-$(CONFIG_FOO) += foo.o
  endif

If CONFIG_SPL_FOO does not exist in Kconfig, it is equivalent to

  ifndef CONFIG_SPL_BUILD
  obj-$(CONFIG_SPL_FOO) += foo.o
  endif

This is the pattern we often see in our current makefiles.

To take advantage of this macro, we should prefix SPL_ for the SPL
version of the option when we need independent control between
U-boot and SPL.  With this naming scheme, I hope our makefiles will
be much simplified.

It means we want to rename existing config options as follows
in the long run:

  CONFIG_SPL_SERIAL_SUPPORT     -> CONFIG_SPL_SERIAL
  CONFIG_SPL_I2C_SUPPORT        -> CONFIG_SPL_I2C
  CONFIG_SPL_GPIO_SUPPORT       -> CONFIG_SPL_GPIO
  CONFIG_SPL_SPI_SUPPORT        -> CONFIG_SPL_SPI
  CONFIG_SPL_DISABLE_OF_CONTROL -> CONFIG_SPL_OF_CONTROL
                                      (inverting the logic)

Then drivers/Makefile would be re-worked as follows:

  obj-$(CONFIG_$(SPL_)SERIAL)  += serial/
  obj-$(CONFIG_$(SPL_)I2C)     += i2c/
  obj-$(CONFIG_$(SPL_)GPIO)    += gpio/
  obj-$(CONFIG_$(SPL_)SPI)     += spi/
     ...

Eventually, SPL-specialized entries in Makefile.spl would go away.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2015-08-18 13:46:00 -04:00
Masahiro Yamada
29974f7737 kbuild: fixdep: optimize code slightly
If the target string matches "CONFIG_", move the pointer p
forward.  This saves several 7-chars adjustments.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2015-08-18 13:45:59 -04:00
Stephen Warren
04812605f3 fs-test.sh: minor fixes
- Re-direct stderr into the log files, so any errors U-Boot emits are
  visible in the logs. This is relevant if the "reset" shell command
  attempts to report that it's not supported on the sandbox board.
- Fix test_fs_nonfs() to name the files it created differently for each
  invocation. Otherwise, the logs from different tests overwrite
  each-other.

Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Suriyan Ramasami <suriyan.r@gmail.com>
2015-08-18 13:45:59 -04:00
Vladimir Zapolskiy
ea16c6a13b i2c: lpc32xx: correct sanity check for requested bus speed
LPC32xx has 3 I2C bus controllers, 2 of them are used as generic ones
and their parent clock is HCLK and CLK_HI/CLK_LO registers are 10 bit
wide. This means that if HCLK is 104MHz, then minimal configurable I2C
clock speed is about 51KHz.

Only USB OTG I2C bus controller CLK registers are 8 bit wide, thus in
assumption that peripheral clock is 13MHz it allows to set the minimal
bus speed about 25.5KHz.

Check for negative half clock value is removed since it is always false.

The change fixes the following problem for I2C busses 0 and 1:

  => i2c dev 0
  Setting bus to 0
  => i2c speed 100000
  Setting bus speed to 100000 Hz
  Failure changing bus speed (-22)

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Tested-by: Sylvain Lemieux <slemieux@tycoint.com>
2015-08-18 13:45:59 -04:00
Vladimir Zapolskiy
554b0e0d82 lpc32xx: add common USB OHCI defines for all LPC32xx boards
The change adds a number of macro definitions used by USB OHCI driver,
if CONFIG_USB_OHCI_LPC32XX is selected from a board config file.

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Tested-by: Sylvain Lemieux <slemieux@tycoint.com>
2015-08-18 13:45:58 -04:00