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* Merge branch 'master' of git://git.denx.de/u-boot-dmTom Rini2015-04-23-25/+203
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| * dm: core: Select device tree control correctly for SPLSimon Glass2015-04-23-0/+10
| | | | | | | | | | | | | | Some boards will not use device tree for SPL even with driver model. Add the logic to support this. Signed-off-by: Simon Glass <sjg@chromium.org>
| * Move initf_malloc() to a common placeSimon Glass2015-04-23-0/+3
| | | | | | | | | | | | | | To allow this function to be used from SPL, move it to the malloc() code. Signed-off-by: Simon Glass <sjg@chromium.org>
| * fdt: Rename setup_fdt() and make it prepare alsoSimon Glass2015-04-23-1/+1
| | | | | | | | | | | | | | There is little reason to split these two functions. Bring them together which simplifies the init sequence. Signed-off-by: Simon Glass <sjg@chromium.org>
| * fdt: sandbox: Move setup code from board_f to fdtdecSimon Glass2015-04-23-0/+6
| | | | | | | | | | | | | | We want to be able to set up the device tree in SPL, so move this code to a common place. Signed-off-by: Simon Glass <sjg@chromium.org>
| * dm: Add a panic_str() function to reduce code sizeSimon Glass2015-04-23-0/+23
| | | | | | | | | | | | | | | | The printf() in panic() adds about 1.5KB of code size to SPL when compiled with Thumb-2. Provide a smaller version that does not support printf()-style arguments and use it in two commonly compiled places. Signed-off-by: Simon Glass <sjg@chromium.org>
| * dm: core: Remove unbind operations when not requiredSimon Glass2015-04-23-0/+8
| | | | | | | | | | | | | | | | The CONFIG_DM_DEVICE_REMOVE option takes out code related to removing devices. It should also remove the 'unbind' code since if we cannot remove we probably don't need to unbind. Signed-off-by: Simon Glass <sjg@chromium.org>
| * dm: core: Allow sequence alias support to be removed for SPLSimon Glass2015-04-23-0/+1
| | | | | | | | | | | | | | | | In many cases SPL only uses a single serial port and there is no need for alias sequence support. We will just use the serial port pointed to by stdout-path in the /chosen node. Signed-off-by: Simon Glass <sjg@chromium.org>
| * dm: core: precise comments for get/find device by namePrzemyslaw Marczak2015-04-22-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | The functions: - uclass_find_device_by_name() - uclass_get_device_by_name() searches the required device for the exactly given name. This patch, presice this fact for both function's comments. Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com> Cc: Simon Glass <sjg@chromium.org> Acked-by: Simon Glass <sjg@chromium.org>
| * dm: core: remove type 'static' of function uclass_get_device_tail()Przemyslaw Marczak2015-04-22-3/+18
| | | | | | | | | | | | | | | | | | | | | | Uclass API provides a few functions for get/find the device. To provide a complete function set of uclass-internal functions, for use by the drivers, the function uclass_get_device_tail() should be non-static. Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com> Cc: Simon Glass <sjg@chromium.org> Acked-by: Simon Glass <sjg@chromium.org>
| * dm: core: device: add function: dev_get_uclass_name()Przemyslaw Marczak2015-04-22-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | This commit extends the driver model device's API by function: - dev_get_uclass_name() And this function returns the device's uclass driver name if: - given dev pointer, is non_NULL otherwise, the NULL pointer is returned. Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com> Cc: Simon Glass <sjg@chromium.org> Acked-by: Simon Glass <sjg@chromium.org>
| * dm: core: device: add function: dev_get_driver_ops()Przemyslaw Marczak2015-04-22-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit extends the driver model device's API by function: - dev_get_driver_ops() And this function returns the device's driver's operations if given: - dev pointer, is non-NULL - dev->driver->ops pointer, is non-NULL in other case the, the NULL pointer is returned. Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com> Cc: Simon Glass <sjg@chromium.org> Acked-by: Simon Glass <sjg@chromium.org>
| * dm: core: uclass: add function: uclass_get_device_by_name()Przemyslaw Marczak2015-04-22-0/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit extends the driver model uclass's API by function: - uclass_get_device_by_name() And this function returns the device if: - uclass with given ID, exists, - device with exactly given name(dev->name), exists, - device probe, doesn't return an error. The returned device is activated and ready to use. Note: This function returns the first device, which name is equal to the given one. This means, that using this function you must assume, that the device name is unique in the given uclass's ID device list. Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com> Cc: Simon Glass <sjg@chromium.org> Acked-by: Simon Glass <sjg@chromium.org>
| * dm: core: uclass: add function: uclass_find_device_by_name()Przemyslaw Marczak2015-04-22-23/+38
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit extends the driver model uclass's API by function: - uclass_find_device_by_name() And this function returns the device if: - uclass with given ID, exists, - device with exactly given name(dev->name), exists. The returned device is not activated - need to be probed before use. Note: This function returns the first device, which name is equal to the given one. This means, that using this function you must assume, that the device name is unique in the given uclass's ID device list. uclass-internal.h: cleanup - move the uclass_find_device_by_seq() declaration and description, near the other uclass_find*() functions. Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com> Cc: Simon Glass <sjg@chromium.org> Acked-by: Simon Glass <sjg@chromium.org>
| * dm: test: Add tests for device's uclass platform dataPrzemyslaw Marczak2015-04-22-0/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This test introduces new test structure type:dm_test_perdev_uc_pdata. The structure consists of three int values only. For the test purposes, three pattern values are defined by enum, starting with TEST_UC_PDATA_INTVAL1. This commit adds two test cases for uclass platform data: - Test: dm_test_autobind_uclass_pdata_alloc - this tests if: * uclass driver sets: .per_device_platdata_auto_alloc_size field * the devices's: dev->uclass_platdata is non-NULL - Test: dm_test_autobind_uclass_pdata_valid - this tests: * if the devices's: dev->uclass_platdata is non-NULL * the structure of type 'dm_test_perdev_uc_pdata' allocated at address pointed by dev->uclass_platdata. Each structure field, should be equal to proper pattern data, starting from .intval1 == TEST_UC_PDATA_INTVAL1. Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com> Cc: Simon Glass <sjg@chromium.org> Acked-by: Simon Glass <sjg@chromium.org>
| * dm: core: Extend struct udevice by '.uclass_platdata' field.Przemyslaw Marczak2015-04-22-1/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit adds 'uclass_platdata' field to 'struct udevice', which can be automatically allocated at bind. The allocation size is defined in 'struct uclass_driver' as 'per_device_platdata_auto_alloc_size'. New device's flag is added: DM_FLAG_ALLOC_UCLASS_PDATA, which is used for memory freeing at device unbind method. As for other udevice's fields, a complementary function is added: - dev_get_uclass_platdata() Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com> Cc: Simon Glass <sjg@chromium.org> Acked-by: Simon Glass <sjg@chromium.org>
| * dm: core: add internal functions for getting the device without probePrzemyslaw Marczak2015-04-22-0/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit extends the uclass-internal functions by: - uclass_find_first_device() - uclass_find_next_device() For both functions, the returned device is not probed. After some cleanup, the above functions are called by: - uclass_first_device() - uclass_next_device() for which, the returned device is probed. Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com> Cc: Simon Glass <sjg@chromium.org> Acked-by: Simon Glass <sjg@chromium.org>
* | colibri_vf: Enable USB support for Colibri VybridSanchayan Maity2015-04-23-0/+37
| | | | | | | | | | | | | | Enable USB support on Toradex Colibri Vybrid Modules. Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com> Acked-by: Marek Vasut <marex@denx.de>
* | ARM: vf610: Initial integration for Colibri VF50/VF61Sanchayan Maity2015-04-23-0/+234
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds initial support for Colibri VF50/VF61 based on Freescale Vybrid SoC. - CPU clocked at 396/500 MHz - DDR3 at 396MHz - for VF50, use PLL2 as memory clock (synchronous mode) - for VF61, use PLL1 as memory clock (asynchronous mode) - Console on UART0 (Colibri UART_A) - Ethernet on FEC1 - PLL5 based RMII clocking (E.g. No external crystal) - UART_A and UART_C I/O muxing - Boot from NAND by default Tested on Colibri VF50/VF61 booting using serial loader over UART. Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com> Acked-by: Stefan Agner <stefan@agner.ch>
* | m68k: add architecture-specific u-boot.ldsangelo@sysam.it2015-04-23-0/+62
| | | | | | | | | | | | | | | | | | | | | | Add architecture-specific u-boot.lds and remove all board-specific u-boot.lds. All the .text customization that was board-specific have been moved inside the related include/configs, inside a LDS_BOARD_TEXT define. Signed-off-by: Angelo Dureghello <angelo@sysam.it>
* | fastboot: ARM: OMAP5: Enable reboot-bootloaderDileep Katta2015-04-23-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Implemented fb_set_reboot_flag() for OMAP5 to set an environment variable 'dofastboot' when reboot-bootloader called. This environment variable will be checked in boot command and fastboot will be called if the variable is set. If the bootcmd env variable of OMAP5 common is overwritten with board-specific command, then these changes will not apply. This was originally intended for DRA7 platform, but now applies to all OMAP5. Ref: http://git.omapzoom.org/?p=repo/u-boot.git;a=commit;h=19da2e436e9806259cf1f4988b9e046ab256bf2c Signed-off-by: Angela Stegmaier <angelabaker@ti.com> Signed-off-by: Dileep Katta <dileep.katta@linaro.org> Reviewed-by: Tom Rini <trini@konsulko.com> [trini: Make it check for !CONFIG_ENV_IS_NOWHERE as we can't saveenv() in that case] Signed-off-by: Tom Rini <trini@konsulko.com>
* | ARM: DRA7XX: Enable FastbootDileep Katta2015-04-23-2/+10
| | | | | | | | | | | | | | | | | | | | - Fastboot is enable by default for DRA7XX - This is based on following patch modified accordingly http://git.omapzoom.org/?p=repo/u-boot.git;a=commit;h=b2e04f92b5d91c708b6fd6b79d2266966ac51f4b Signed-off-by: Angela Stegmaier <angelabaker@ti.com> Signed-off-by: Dileep Katta <dileep.katta@linaro.org> Reviewed-by: Tom Rini <trini@konsulko.com>
* | gpio: mvmfp: support newer MFP bit definitionsXiang Wang2015-04-23-37/+53
| | | | | | | | | | | | | | | | | | | | | | 1. The bits 11..10 for mfp driver strength is only valid for aspen and old xscale family, for newer Marvell chip, this range has been moved to 12..11. 2. add sleep bit support Signed-off-by: Xiang Wang <wangx@marvell.com> [robh: rebase to current mainline] Signed-off-by: Rob Herring <robh@kernel.org>
* | davinci: add support for omapl138-lcdk boardPeter Howard2015-04-23-0/+330
| | | | | | | | | | | | Signed-off-by: Peter Howard <phoward@gme.net.au> [trini: Add config file, update for ..._ether_addr() -> ..._ethaddr() rename] Signed-off-by: Tom Rini <trini@konsulko.com>
* | cmd_led: Extend led command to support blinking and more ledsStefan Roese2015-04-23-0/+1
| | | | | | | | | | | | | | | | | | | | | | This patch extends the U-Boot "led" command to support automatic blinking by setting a blink frequency in milliseconds. Additionally the number of supported LEDs is increased to 6 (0...5). This will be used by the PCA9551 LED driver. Signed-off-by: Stefan Roese <sr@denx.de> Reviewed-by: Tom Rini <trini@konsulko.com>
* | ARM: integrator: move CONFIG_ARCH_CINTEGRATOR to KconfigMasahiro Yamada2015-04-23-1/+0
| | | | | | | | | | Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Linus Walleij <linus.walleij@linaro.org>
* | ARM: integrator: abolish CONFIG_INTEGRATORMasahiro Yamada2015-04-23-2/+0
| | | | | | | | | | | | | | Switch to CONFIG_ARCH_INTEGRATOR defined by Kconfig. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Linus Walleij <linus.walleij@linaro.org>
* | ARM: integrator: move board select into mach-integrator/KconfigMasahiro Yamada2015-04-23-1/+0
| | | | | | | | | | | | | | | | | | The board/SoC select menu in arch/arm/Kconfig is still cluttered. Add ARCH_INTEGRATOR into arch/arm/Kconfig and move the board select under arch/arm/mach-integrator. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Linus Walleij <linus.walleij@linaro.org>
* | vexpress64: use DM for all vexpress64 boardsLinus Walleij2015-04-23-16/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit d8bafe1310487ba0e0785997726b4792072178d3 "ARMv8: enable DM in vexpress64 board" only enabled DM for the simulated vexpress64 board (FVP) with the hardcoded clock value for the simulated board, causing a console regression on the Juno board which was using a different clock setting. Fix this by enabling DM for all vexpress64 boards, defining the clock frequency per-board, deleting the static array of PL01x ports from the config file and relying solely on the port defined in the boardfile using platform data. Cc: David Feng <fenghua@phytium.com.cn> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | board/BuR/tseries: reactivate NAND-boardHannes Petermaier2015-04-23-17/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The NAND-version has been become a bit orphan. Now we need to reactivate it, so bring necessary things: - loading devicetree - switch control signal to correct pins - setup pinmux - default-environment up to date. Signed-off-by: Hannes Petermaier <oe5hpm@oevsv.at>
* | stm32f4: Add support for stm32f429-discovery boardrev13@wp.pl2015-04-22-0/+106
| | | | | | | | | | Signed-off-by: Kamil Lulko <rev13@wp.pl> Reviewed-by: Tom Rini <trini@konsulko.com>
* | ARMv7M: Add STM32F4 supportrev13@wp.pl2015-04-22-0/+2
| | | | | | | | | | Signed-off-by: Kamil Lulko <rev13@wp.pl> Reviewed-by: Tom Rini <trini@konsulko.com>
* | gunzip: add gzwrite routine for extracting compresed images to block deviceEric Nelson2015-04-22-0/+39
|/ | | | | | | | | | Initial filesystem images are generally highly compressible. Add a routine gzwrite that allows gzip-compressed images to be written to block devices. Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com> Reviewed-by: Tom Rini <trini@ti.com>
* Merge branch 'master' of git://git.denx.de/u-boot-netTom Rini2015-04-20-0/+1
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| * net/phy: fixup for get_phy_idShengzhou Liu2015-04-20-0/+1
| | | | | | | | | | | | | | | | commit 3c6928fd7b0f84 "net: phy: fix warnings with W=1" caused some PHYs(e.g. CS4315/CS4340) not working. This patch fixes the warning and make those special PHYs working as well. Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
* | Merge branch 'master' of git://git.denx.de/u-boot-mpc85xxTom Rini2015-04-20-9/+70
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| * powerpc/mpc8641hpcn: Move environment to avoid conflictScott Wood2015-04-20-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | U-Boot on this board grew a long time ago past the 384 KiB that it reserves for the U-Boot image, before the environment. Thus, saveenv overwrites the U-Boot image and bricks the board. I tried to find out when U-Boot grew beyond this point, but there is a long stretch in the history where this board did not build -- and AFAICT when it did fit in 384 KiB, it was missing vital features such as fdt support. Turning off CONFIG_VIDEO was not enough to make it fit. Thus, I don't think we have any choice other than to move the environment. Signed-off-by: Scott Wood <scottwood@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
| * board/t2080rdb: enable CONFIG_PHY_AQUANTIAShengzhou Liu2015-04-20-1/+1
| | | | | | | | | | | | | | CONFIG_PHY_AQ1202 is no longer needed, use CONFIG_PHY_AQUANTIA. Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
| * powerpc/mpc85xx: Remove some dead codeScott Wood2015-04-20-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | U-Boot does not have system calls (the services it exposes to standalone commands use a different mechanism), so the syscall handler is dead code. It's also broken code, as it assumes it is located at 0xc00 -- while even before the patch to stop relocating exception vectors to 0, U-Boot had the syscall at 0x900. The critical and machine check return paths are never called -- the regular exception return path is used instead, which works because xSRR0/1 have already been saved and can be restored via the regular SRR0/1 (we don't care too much in U-Boot about taking a critical/mcheck inside another exception prolog/epilog). Also remove a few other small unused functions. Signed-off-by: Scott Wood <scottwood@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
| * powerpc/mpc85xx: Don't relocate exception vectorsScott Wood2015-04-20-4/+42
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Booke does not require exception vectors to be located at address zero. U-Boot was doing so anyway, simply because that's how it had been done on other PPC. The downside of this is that once the OS is loaded to address zero, the exception vectors have been overwritten -- which makes it difficult to diagnose a crash that happens after that point. The IVOR setup and trap entry code is simplified somewhat as a result. Also, there is no longer a need to align individual exceptions on 0x100 byte boundaries. Signed-off-by: Scott Wood <scottwood@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
| * powerpc/t2080rdb: update ddr to support 1866MT/sShengzhou Liu2015-04-20-0/+5
| | | | | | | | | | | | | | | | Support SODIMM D3XP12081XL10AA 1866MT/s on T2080RDB. Enable CONFIG_CMD_MEMTEST as well. Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
| * T4240RDB: Enable CONFIG_SYS_CORTINA_FW_IN_NOR configChunhe Lan2015-04-20-0/+1
| | | | | | | | | | | | | | | | | | Now cortina driver uses macro CONFIG_SYS_CORTINA_FW_IN_NOR to define that firmware of cortina driver is stored in the nor flash. Signed-off-by: Chunhe Lan <Chunhe.Lan@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
| * board/t208xrdb: VID supportYing Zhang2015-04-20-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | The fuse status register provides the values from on-chip voltage ID efuses programmed at the factory. These values define the voltage requirements for the chip. u-boot reads FUSESR and translates the values into the appropriate commands to set the voltage output value of an external voltage regulator. Signed-off-by: Ying Zhang <b40530@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
| * qemu-ppce500: Add support for 64bit CCSR mapAlexander Graf2015-04-20-1/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | QEMU 2.3 changes the address layout of the CCSR map in the PV ppce500 machine to reside in higher address space. Unfortunately, this exposed a glitch in u-boot for ppce500: While providing a function to dynamically evaluate the CCSR region's position in physical address space, we never used it. Plus we forgot to support 64bit physical addresses. This patch fixes that mishap, making u-boot work fine with latest QEMU again. Signed-off-by: Alexander Graf <agraf@suse.de> Reviewed-by: Scott Wood <scottwood@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
* | Merge branch 'master' of git://git.denx.de/u-boot-videoTom Rini2015-04-20-5/+42
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| * | video, lg4573: add support for the lg4573 displayHeiko Schocher2015-04-20-0/+4
| | | | | | | | | | | | Signed-off-by: Heiko Schocher <hs@denx.de>
| * | common/lcd_console: introduce display/framebuffer rotationHannes Petermaier2015-04-18-5/+38
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Sometimes, for example if the display is mounted in portrait mode or even if it is mounted landscape but rotated by 180 degrees, we need to rotate our content of the display respectively the framebuffer, so that user can read the messages which are printed out. For this we introduce the feature called "CONFIG_LCD_ROTATION", this may be defined in the board-configuration if needed. After this the lcd_console will be initialized with a given rotation from "vl_rot" out of "vidinfo_t" which is provided by the board specific code. If CONFIG_LCD_ROTATION is not defined, the console will be initialized with 0 degrees rotation. Signed-off-by: Hannes Petermaier <hannes.petermaier@br-automation.com> Signed-off-by: Hannes Petermaier <oe5hpm@oevsv.at> Acked-by: Nikita Kiryanov <nikita@compulab.co.il> [agust: fixed 'struct vidinfo' has no member named 'vl_rot' errors] Signed-off-by: Anatolij Gustschin <agust@denx.de>
* | | sandbox: add config_distro_defaults and config_distro_bootcmdSjoerd Simons2015-04-19-8/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make the sandbox setup more generic/examplary by including config_distro_defaults.h and config_distro_bootcmd.h. Among other things this makes it easy to test whether images will boot though with the standard distro bootcmds by running e.g: u-boot -c 'host bind 0 myimage.img ; boot' By default there are 2 target host devices to emulate device with multiple storage devices (e.g. internal ("host 0") and external ("host 1") and verify that the prioritization and fallbacks do work correctly. Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk> Reviewed by: Simon Glass <sjg@chromium.org> Acked-by: Simon Glass <sjg@chromium.org>
* | | config: Add default client arch defines for intel architecturesSjoerd Simons2015-04-19-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Define default PXE client architecture identifiers for IA32 (0x0 aka Intel x86PC) and Intel x86-64 (0x9 aka EFI x86-64). This prepares for usage for config_distro_defaults in the sandbox architecture Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
* | | config_distro_bootcmd.h: Add shared block definition for the host interfaceSjoerd Simons2015-04-19-0/+13
| |/ |/| | | | | | | | | | | | | | | Define the common shared block environment for the host interface in preperation for the sandbox build to use config_distro_bootcmd. Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk> Acked-by: Simon Glass <sjg@chromium.org> Acked-by: Stephen Warren <swarren@nvidia.com>