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2020-07-07net: phy: realtek: Add support for RTL8201F PHY module.Amit Singh Tomar
This patch adds support for Realtek PHY RTL8201F 10/100Mbs (with variants: RTL8201FN and RTL8201FL) PHYceiver. It is present on Actions Semi Cubieboard7 board. Signed-off-by: Amit Singh Tomar <amittomer25@gmail.com>
2020-07-07clk: actions: Add Ethernet clocksAmit Singh Tomar
This commit adds clocks needed for ethernet operations for Actions OWL family of SoCs (S700 and S900). Signed-off-by: Amit Singh Tomar <amittomer25@gmail.com>
2020-07-07arm: actions: remove "CONFIG_SYS_SDRAM_SIZE" for Actions Owl Semi SoCsAmit Singh Tomar
Now that, we calculate SDRAM size by reading DDR registers, "CONFIG_SYS_SDRAM_SIZE" is no more needed. This commit removes "CONFIG_SYS_SDRAM_SIZE" from common configuration file. Signed-off-by: Amit Singh Tomar <amittomer25@gmail.com> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
2020-07-07Actions: OWL: Calculate SDRAM sizeAmit Singh Tomar
Calculate the SDRAM size from DDR capacity register registers instead of using hard-coded value. This is quite useful to get correct size on differnt boards based on Actions OWL family of SoCs (S700 and S900). There is no documentation available that talks about DDR registers, and this is very much taken from vendor source. This commit lets Linux boot on Cubieboard7-lite(based on S700). Signed-off-by: Amit Singh Tomar <amittomer25@gmail.com> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
2020-07-07image: Add support for ZSTD decompressionRobert Marko
This patch adds support for ZSTD decompression of FIT images. Signed-off-by: Robert Marko <robert.marko@sartura.hr> Cc: Luka Perkov <luka.perkov@sartura.hr>
2020-07-07cmd: blkls: Add blkls commandNiel Fourie
Add a command to print a list of available block device drivers, and for each, the list of known block devices. Signed-off-by: Niel Fourie <lusus@denx.de> Cc: Simon Glass <sjg@chromium.org> Cc: Stefan Roese <sr@denx.de> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Stefan Roese <sr@denx.de>
2020-07-07cmd: dm: Fixed/Added DM driver listing subcommandsNiel Fourie
Renamed dm "drivers" subcommand to "compat" (as it listed compatibility strings) and prevent it from segfaulting when drivers have no of_match populated. Added a new "drivers" subcommand to dump a list of all known DM drivers and for each, their uclass id, uclass driver and names of attached devices. Added a new "static" subcommand to dump a list of DM drivers with statically defined platform data. Signed-off-by: Niel Fourie <lusus@denx.de> Cc: Simon Glass <sjg@chromium.org> Cc: Sean Anderson <seanga2@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
2020-07-07cmd: fs: Add command to list supported fs typesNiel Fourie
Added command "fstypes" to list supported/included filesystems. Signed-off-by: Niel Fourie <lusus@denx.de> Cc: Simon Glass <sjg@chromium.org> Reviewed-by: Simon Glass <sjg@chromium.org> [trini: Limit to sandbox] Signed-off-by: Tom Rini <trini@konsulko.com>
2020-07-07cmd: part: Add subcommand to list supported partition tablesNiel Fourie
Add a subcommand "types" to the part command, which lists the supported partition table types. Signed-off-by: Niel Fourie <lusus@denx.de> Cc: Simon Glass <sjg@chromium.org> Reviewed-by: Simon Glass <sjg@chromium.org>
2020-07-07Merge tag 'u-boot-stm32-20200707' of ↵Tom Rini
https://gitlab.denx.de/u-boot/custodians/u-boot-stm - arch and board update for stm32mp15: - use OPP information in device tree for 800MHz/650MHz support - ram: inprovments of test command - solve boot on closed chip when access to DBGMCU_IDC is protected - stm32prog command: Add "device anme" during USB enumeration - update configs: activate WATCHDOG and 'env erase' command, increase teed partition, support SD card after NOR boot by default and use env info in env_check - some sboard cleanups: gpio hog in dh board, specific driver for type-c stusb1600 controller code in a driver move part of code in spl.c and in common directory - fix STM32 compatible for dwc_eth_qos driver - support of new pinctrl ops get_dir_flags/set_dir_flags in stm32 and stmfx drivers - vrefbuf: fix a possible overshoot when re-enabling
2020-07-07Merge tag 'u-boot-atmel-2020.10-a' of ↵Tom Rini
https://gitlab.denx.de/u-boot/custodians/u-boot-atmel First set of u-boot-atmel features for 2020.10 cycle
2020-07-07arm64: issue ISB after updating system registersVolodymyr Babchuk
ARM Architecture reference manual clearly states that PE pipeline should be flushed after changes to some system registers. Refer to paragraph "B2.3.5 Memory Barriers" at page B2-92 of "Arm Architecture Reference Manual ARMv8 for ARMv8-A Architecture Profile" (ARM DDI 0487B.a). Failing to issue instruction synchronization barrier can lead to spurious errors, like synchronous exception when accessing FPU registers. This is very prominent on CPUs with long instruction pipeline, like ARM Cortex A72. This change fixes the following U-Boot panic: "Synchronous Abort" handler, esr 0x1fe00000 elr: 00000000800948cc lr : 0000000080091e04 x0 : 00000000801ffdc8 x1 : 00000000000000c8 x2 : 00000000800979d4 x3 : 00000000801ffc60 x4 : 00000000801ffd40 x5 : ffffff80ffffffd8 x6 : 00000000801ffd70 x7 : 00000000801ffd70 x8 : 000000000000000a x9 : 0000000000000000 x10: 0000000000000044 x11: 0000000000000000 x12: 0000000000000000 x13: 0000000000000000 x14: 0000000000000000 x15: 0000000000000000 x16: 000000008008b2e0 x17: 0000000000000000 x18: 00000000801ffec0 x19: 00000000800957b0 x20: 00000000000000c8 x21: 00000000801ffdc8 x22: 000000008009909e x23: 0000000000000000 x24: 0000000000000000 x25: 0000000000000000 x26: 0000000000000000 x27: 0000000000000000 x28: 0000000000000000 x29: 00000000801ffc50 Code: a94417e4 a90217e4 a9051fe6 a90617e4 (3d801fe0) While executing instruction str q0, [sp, #112] in vsnprintf() prologue. This panic was observed only on Cortex A72 so far. This patch places ISBs on other strategic places as well. Also, this probably is the right fix for the issue workarounded in the commit 45f41c134baf ("ARM: uniphier: add weird workaround code for LD20") Reported-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> Suggested-by: Julien Grall <julien.grall.oss@gmail.com> Signed-off-by: Volodymyr Babchuk <volodymyr_babchuk@epam.com> CC: Tom Rini <trini@konsulko.com> CC: Masahiro Yamada <yamada.masahiro@socionext.com> CC: Stefano Stabellini <sstabellini@kernel.org> Reviewed-by: Julien Grall <julien@xen.org> Reviewed-by: Andre Przywara <andre.przywara@arm.com> Tested-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2020-07-07ram: stm32mp1: add size and addr parameter to test allPatrick Delaunay
Add size and addr parameter to test "All" to override the default value (4kB and STM32_DDR_BASE) used in tests with these optional parameters: [size] or [addr]. When other optional parameters are present before [addr], they are replaced by default value: - [loop] = "1" - [pattern] = "-" (new: force default pattern) Example to use: DDR>test 0 1 0x20000 DDR>test 0 1 0x1000000 0xD0000000 Reviewed-by: Patrice Chotard <patrice.chotard@st.com> Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2020-07-07ram: stm32mp1: use the DDR size by default in the test addressBusPatrick Delaunay
The test 4 = "AddressBus [size] [addr]" without parameter detects alias for any address bit only when: - size = real size of DDR - addr = start of DDR = 0xC0000000 These value must be the default value when parameters are absent. This patch sets bufsize to STM32_DDR_SIZE and get_bufsize() selects the correct value for bufsize when this parameter is absent = full size of the DDDR On EV1 board : DDR> test 4 running at 0xC0000000 length 0x40000000 On DK2 board DDR> test 4 running at 0xC0000000 length 0x20000000 Reviewed-by: Patrice Chotard <patrice.chotard@st.com> Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2020-07-07ram: stm32mp1: add parameter addr in test FrequencySelectivePatternPatrick Delaunay
Add a parameter addr in test FrequencySelectivePattern to select the base address used to execute the tests. Default value (when the parameter is absent) is STM32_DDR_BASE, selected in get_addr() function. Reviewed-by: Patrice Chotard <patrice.chotard@st.com> Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2020-07-07ram: stm32mp1: protect minimum value in get_bufsizePatrick Delaunay
Add protection on minimum value for result of get_bufsize and check the alignment of buffer size: only multiple min_size is allowed; only 4 bytes alignment was checked previously (value & 0x3). For example the "Random" test raises an issue when size is not 8 bytes aligned because address for buffer = address + size / 2 is not word aligned. This patch avoid test error for unsupported size value. Reviewed-by: Patrice Chotard <patrice.chotard@st.com> Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
2020-07-07stm32mp1: use the command env info in env_checkPatrick Delaunay
Activate CMD_NVEDIT_INFO and use the new command "env info -d -p -q" to automatically save the environment on first boot. This patch allows to remove the env_default variable. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07cmd: env: use ENV_IS_IN_DEVICE in env infoPatrick Delaunay
Use the define ENV_IS_IN_DEVICE to test if one the CONFIG_ENV_IS_IN_... is defined and correct the detection of persistent storage support in the command "env info" if CONFIG_ENV_IS_NOWHERE is activated. Since commit 60d5ed2593c9 ("env: allow ENV_IS_NOWHERE with other storage target") test CONFIG_ENV_IS_NOWHERE is not enough; see also commit 953db29a1e9c6 ("env: enable saveenv command when one CONFIG_ENV_IS_IN is activated"). This patch avoids issue for this command in stm32mp1 platform. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07board: dh_stm32mp1: update the gpio hog supportPatrick Delaunay
This patch update the current gpio hog implementation with the new API gpio_hog_probe_all() activated with CONFIG_GPIO_HOG. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07board: st: move type-c stusb1600 controller code in a driverPatrick Delaunay
Migrate the ST Microelectronics STUSB160X Type-C controller code in a generic I2C driver in st/common, based on Linux one in : drivers/usb/typec/stusb160x.c This patch simplifies the stm32mp1 board code and allows to reuse this STUSB160X driver in other boards. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07configs: stm32mp1: only support SD card after NOR in bootcmd_stm32mpPatrick Delaunay
In the boot command used in ST boards, bootcmd_stm32mp, only support the SD card as second stage, where is found the bootfs with DISTRO. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07arm: stm32mp: protect DBGMCU_IDC access with BSECPatrick Delaunay
As debugger must be totally closed on Sec closed chip, the DBGMCU_IDC register is no more accessible (self hosted debug is disabled with OTP). This patch adds a function bsec_dbgswenable() to check if the DBGMCU registers are available before to access them: BSEC_DENABLE.DBGSWENABLE = self hosted debug status. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07arm: stm32mp: stm32prog: add "Device Name" in iproduct during DFU USB ↵Patrick Delaunay
enumeration Add "Device Name" in iproduct during DFU USB enumeration to have this information in STM32CubeProgrammer trace (this tools is compatible with @Name since v2.3) Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07board: st: stm32mp1: increase teed partitionPatrick Delaunay
With TEE 3.7.0, the partition teed (OP-TEE pageable code and data) need to increase up to 512KB in NOR device. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07stm32mp1: configs: activate CMD_ERASEENVPatrick Delaunay
Activate the command env erase to reset the environment with the command: > env erase it is simpler than: > env default -a > env save Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07power: regulator: stm32: vrefbuf: fix a possible overshoot when re-enablingFabrice Gasnier
There maybe an overshoot: - when disabling, then re-enabling vrefbuf too quickly - or upon platform reset as external capacitor maybe slow discharging (VREFBUF is HiZ at reset by default). VREFBUF is used by ADC/DAC on some boards. An overshoot on the reference voltage make the conversions inaccurate for a short period of time. So: - Don't put the VREFBUF in HiZ when disabling, to force an active discharge. - Enforce a 1ms OFF/ON delay, also upon reset Penalty is a 1ms delay is applied (even for a cold boot), when enabling VREFBUF. Fixes: 93cf0ae7758d ("power: regulator: Add support for stm32-vrefbuf") Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com> Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
2020-07-07configs: stm32mp1: activate WATCHDOGPatrick Delaunay
As kernel v5.6 have a solution since so we will be able to enable the watchdog at boot time. It is reloaded by the watchdog framework (if CONFIG_WATCHDOG_HANDLE_BOOT_ENABLED is set) and until the userspace watchdog daemon takes over control. Need presence of kernel patch 85fdc63fe256 ("drivers: watchdog: stm32_iwdg: set WDOG_HW_RUNNING at probe") integrated in v5.6-rc1. This patch revert the previous commit ca351e705a5c ("stm32mp1: deactivate WATCHDOG in defconfig"). Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07pinctrl: stm32: add information on pin configurationPatrick Delaunay
Add information on pin configuration used for pinmux command: - bias configuration for output (disable, pull up, pull down) - otype for input (open drain or push pull) Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07pinctrl: stmfx: add information on pin configurationPatrick Delaunay
Add information on pin configuration used for pinmux command. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07gpio: stmfx: add ops get_dir_flagsPatrick Delaunay
Add support of ops get_dir_flags() to read dir flags from STMFX registers. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07gpio: stmfx: add ops set_dir_flagPatrick Delaunay
Manage the flags for GPIO configuration: - open_drain, push_pull - pull_up, pull_down Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07gpio: stmfx: add function stmfx_read_reg and stmfx_write_regPatrick Delaunay
Add the helper functions stmfx_read_reg() and stmfx_write_reg() to avoid duplicated code for access to stmfx's register with mask. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07gpio: stmfx: rename function used to change pin configurationPatrick Delaunay
Rename the two function used to change the pin configuration from stmfx_pinctrl_.. stmfx_conf_... to clarify the function usage. No functional change. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07gpio: stmfx: move function to prepare new ops introductionPatrick Delaunay
Move the functions stmfx_pinctrl_set_pupd and stmfx_pinctrl_set_type; they can be used by the new ops get_dir_flags and set_dir_flags introduced by next patch. No functional change. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07gpio: stm32: add ops get_dir_flagsPatrick Delaunay
Add ops get_dir_flags() to read dir flags from GPIO registers. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07gpio: stm32: add ops set_dir_flagsPatrick Delaunay
Manage flags for GPIO configuration: - open_drain, open_source, push_pull - pull_up, pull_down Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07board: stm32mp1: update the gpio hog supportPatrick Delaunay
This patch updates the current gpio hog implementation and uses the new API gpio_hog_probe_all(), activated with CONFIG_GPIO_HOG. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07configs: stm32mp1: activate CONFIG_GPIO_HOGPatrick Delaunay
This patch activates the new configuration CONFIG_GPIO_HOG. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07board: stm32mp1: move the function board_debug_uart_init in spl.cPatrick Delaunay
Move the debug function board_debug_uart_init in spl.c as the debug_uart_init() function is called in arch_cpu_init() only for SPL and remove the board.c file. For TFABOOT, the UART TX pin configuration is done in TF-A. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07ARM: dts: stm32mp1: use OPP information for PLL1 settings in SPLPatrick Delaunay
This patch allows to switch the CPU frequency to 800MHz on the ST Microelectronics board (DK1/DK2 and EV1) or dh electronics SOM using the STM32MP15x SOC and when it is supported by the HW (for STM32MP15xD and STM32MP15xF). Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07board: stm32mp1: update vddcore in SPLPatrick Delaunay
For board using STPMIC1, the vddcore is provided by BUCK1 of STPMIC1 and need to be updated for 800MHz support and only after the clock tree initialization. The VDDCORE voltage value is provided by clock driver, saved in global variable opp_voltage_mv and udpated in SPL board_early_init_f(), just after clock tree initialization. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07board: st: stpmic1: add function stpmic1_initPatrick Delaunay
Add a function stmpic_init to early initialize the PMIC STPMIC1 - keep vdd on during the reset cycle (to avoid issue when backup battery is absent) - Check if debug is enabled to program PMIC according to the bit This patch allows to remove the compilation of spl.c file from stm32mp1 board in dh_stm32mp1. CONFIG_SPL_BOARD_INIT is removed as the new function is called earlier in SPL, in the function board_early_init_f. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07arm: stm32mp: add weak function to save vddcorePatrick Delaunay
Add a weak functions to save the vddcore voltage value provided in the OPP node when the clock tree is initialized. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07stm32mp1: clk: configure pll1 with OPPPatrick Delaunay
The PLL1 node (st,pll1) is optional in device tree, the max supported frequency define in OPP node is used when the node is absent. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07board: st: create common file stpmic1.cPatrick Delaunay
Move function board_ddr_power_init() in a new file stpmic1 in board/st/common to avoid duplicated code in each board using stpmic1 Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07ARM: dts: stm32: add cpufreq support on stm32mp15xPatrick Delaunay
This commit adds cpufreq support on stm32mp15x SOC. STM32 cpufreq uses operating points V2 bindings (no legacy). Nvmem cells have to be used to know the chip version and then which OPPs are available. Note that STM32 cpufreq driver is mainly based on "cpufreq-dt" driver. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07arm: stm32mp: spl: add bsec driver in SPLPatrick Delaunay
Add the bsec driver in SPL, as it is needed by SOC part number detection to found the supported OPP. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07net: dwc_eth_qos: update the compatible supported for STM32Patrick Delaunay
Update the compatible associated with the STM32 MPU glue in the DWC ethernet driver. The supported compatible is the specific "st,stm32mp1-dwmac" as indicated in Linux binding Documentation/devicetree/bindings/net/stm32-dwmac.txt and not the "snps,dwmac-4.20a" only used to the select IP version. This glue is implemented in Linux kernel in: drivers/net/ethernet/stmicro/stmmac/dwmac-stm32.c For information in stm32mp151.dtsi, the 2 compatibles are supported: ethernet0: ethernet@5800a000 { compatible = "st,stm32mp1-dwmac", "snps,dwmac-4.20a"; ... }; Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
2020-07-07fs: fat: fix fat iterationChristian Gmeiner
According to the FAT specification it is valid to have files with an attribute value of 0x0. This fixes a regression where different U-Boot versions are showing different amount of files on the same storage device. With this change U-Boot shows the same number of files and folders as Linux and Windows. Fixes: 39606d462c ("fs: fat: handle deleted directory entries correctly") Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
2020-07-07common/board_f: Respect original FDT size while relocatingOleksandr Andrushchenko
While relocating FDT we reserve some memory for the new FDT and set the size of the FDT with that respect. But FDT may be placed at the end of the RAM leading to memory access beyond it. Fix this by copying exact FDT size bytes, not the reserved size. Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> Reviewed-by: Simon Glass <sjg@chromium.org>