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| * | | ARM: mmu64: allow to disable null pointer trap on zero pageMichael Tretter2020-10-224-1/+70
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Barebox uses the zero page to trap NULL pointer dereferences. However, if the SDRAM starts at address 0x0, this makes the first page of the SDRAM inaccessible and makes it impossible to load images to offset 0x0 in the SDRAM. Trapping NULL pointer dereferences on such systems is still desirable. Therefore, add a function to disable the traps if accessing the zero page is necessary and to re-enable the traps after the access is done. The zero_page_memcpy function simplifies copying to the SDRAM, because this is the most common required functionality, but memtest also accesses the zero page and does not use memcpy. Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | mci: stm32_sdmmc2: add support for SDMMC v2.0 as wellAhmad Fatoum2020-10-211-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | According to kernel commit 7a2a98be672b ("mmc: mmci: Add support for sdmmc variant revision 2.0")[0], v2.0 is completely backwards compatible with v1.1. Add the v2.0's periphid to have the driver work with both. [0]: https://lore.kernel.org/linux-arm-kernel/20200128090636.13689-10-ludovic.barre@st.com/T/#u Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | mfd: mc34704: fix register readingUwe Kleine-König2020-10-211-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | According to the data sheet (MC34704 Rev. 8.0, 12/2014) must always have the MSB set in the "Sub-address" byte for reads. This fixes reading out registers on a MC34704AEP chip. Fixes: 514387711f2d ("i2c: add driver for the MC34704 PMIC") Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | x86: configs: efi: enable some more useful optionsAhmad Fatoum2020-10-211-0/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Enable some more options to make the defconfig more widely applicable. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | commands: bootchooser: migrate menu entry to boot menuAhmad Fatoum2020-10-211-5/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While the bootchooser command is not required for boot with bootchooser, it's still boot related and is more likely to be looked for in the boot menu than the misc menu. The boot menu has other commands like uimage which do not boot either, but are boot-related. While at it, add some Kconfig help text. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | net: macb: fix compiler warning for 64 bit systemsMichael Tretter2020-10-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On arm64 the compiler prints the following warning, when the macb driver is enabled: warning: cast from pointer to integer of different size Add the same explicit cast as implemented for all other dma addresses in the macb driver. Fixes: befd110b5922 ("net: macb: init multiple dummy TX queues") Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | net: macb: adjust clk_tx rate for link speed changesMichael Tretter2020-10-191-0/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Changes of the link speed might require an adjustment of the clk_tx. Read the clk_tx from the device tree and change the rate if the link speed changes. If the clk_tx rate is already correct, changing the clock is not required and, thus, not being able to get the clock rate is not fatal. Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | net: macb: reduce DEBUG output to make it more usefulMichael Tretter2020-10-191-18/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The macb debugging output printed the function entry for various functions. Especially for *_recv() this debugging flooded the serial output while conveying very little information. Remove printing of the function calls to make enabling debugging for the macb driver more useful. Signed-off-by: Michael Tretter <m.tretter@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | | | Merge branch 'for-next/mips'Sascha Hauer2020-11-104-1/+222
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| * | | | MIPS: dtb: remove unused variable ``root''Du Huanpeng2020-10-221-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | the ``root'' is not used and cause a warning. Signed-off-by: Du Huanpeng <u74147@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | | MIPS: ls1b: enable pbl support for ls1bdev boardDu Huanpeng2020-10-213-0/+222
| | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Du Huanpeng <u74147@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | | | | Merge branch 'for-next/imx'Sascha Hauer2020-11-107-58/+248
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| * | | | | ddr: imx8m: add workaround for DDRPHY rank to rank issueLucas Stach2020-11-094-0/+181
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a port of upstream U-Boot commit b335966958a9. Sadly there is no more information to be found about the issue. The currently available errata documents don't mention this issue at all and the U-Boot commit doesn't tell much either, however this commit has been pointed out by NXP engineers as a solution to reports of board instabilities. | drivers: ddr: imx Workaround for i.MX8M DDRPHY rank to rank issue | | Add logic to automatically update umctl2's setting based | on phy training CDD value for rank to rank space issue | | Acked-by: Ye Li <ye.li@nxp.com> | Signed-off-by: Oliver Chen <Oliver.Chen@nxp.com> | Signed-off-by: Jacky Bai <ping.bai@nxp.com> | Signed-off-by: Peng Fan <peng.fan@nxp.com> Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Tested-by: Sascha Hauer <s.hauer@pengutronix.de> (on i.MX8MP) Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | | | ddr: imx8m: clean up entry pointsLucas Stach2020-11-093-46/+45
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The DDRC address in the memory map and the TF-A parameter store address is the same for all i.MX8M* SoCs. The only difference (for now) is in the power up sequence. Add a enum for the DDRC type, so we can take different code paths in imx8m_ddr_init() depending on the SoC. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | | | ddr: imx8m: correct the pwrctl setting of selfref_enLucas Stach2020-11-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Port of upstream U-Boot commit: 1eb325af16e2 Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | | | ARM: dts: imx6qdl: pfla02: Remove eeprom nodeAlexander Shiyan2020-11-021-6/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The upstream dtsi now has a eeprom node, so no need to duplicate anymore. Let's keep the "page_size" property for a while. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | | | ARM: dts: imx6qdl: pfla02: document motivation for dropping supplyUwe Kleine-König2020-11-021-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In commit 84cf5cfa9a0e ("ARM: dts: imx6qdl: pfla02: Remove fec phy-supply") the phy-supply was removed. The motivation however was only given in the commit log. Add a comment accompanying the actual statement to remove the property to make this better findable. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | | | ARM: CCMX51: Add new module ID variantAlexander Shiyan2020-10-281-5/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds support for Digi ConnectCore module variant 0x15 Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | | | | | Merge branch 'for-next/imd-checksum'Sascha Hauer2020-11-107-17/+44
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| * | | | | | ARM: socfpga: xload: evaluate integrity of second stage barebox imagesUlrich Ölmann2020-11-051-2/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Do not hand over control to a second stage barebox if its embedded CRC checksum is invalid. Signed-off-by: Ulrich Ölmann <u.oelmann@pengutronix.de>
| * | | | | | bootstrap_read_disk(): optionally inform the caller of the buffer sizeUlrich Ölmann2020-06-224-5/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The size of the buffer allocated in the function is needed if it shall be inspected more closely later. Therefore optionally return it via a new pointer argument. Signed-off-by: Ulrich Ölmann <u.oelmann@pengutronix.de>
| * | | | | | bootstrap_read_devfs(): optionally inform the caller of the buffer sizeUlrich Ölmann2020-06-226-12/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The size of the buffer allocated in the function is needed if it shall be inspected more closely later. Therefore optionally return it via a new pointer argument. Signed-off-by: Ulrich Ölmann <u.oelmann@pengutronix.de>
* | | | | | | Merge branch 'for-next/dts'Sascha Hauer2020-11-101547-13554/+48905
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| * | | | | | | dts: update to v5.10-rc3Sascha Hauer2020-11-095-58/+164
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | | | | | dts: update to v5.10-rc2Sascha Hauer2020-11-09132-359/+780
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | | | | | dts: update to v5.10-rc1Sascha Hauer2020-11-091482-13361/+48185
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | | | | | | | Merge branch 'for-next/at91'Sascha Hauer2020-11-108-273/+228
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| * | | | | | | ARM: at91: remove at91sam9x5ek_defconfigSascha Hauer2020-10-191-91/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The at91sam9x5ek is now covered by the at91_multi_defconfig. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | | | | | ARM: at91: remove at91sam9263ek_defconfigSascha Hauer2020-10-191-88/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The at91sam9263ek is now covered by the at91_multi_defconfig. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | | | | | ARM: at91: define new at91_multi_defconfigAhmad Fatoum2020-10-194-84/+163
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We now have 5 boards supporting multi-image, so add a defconfig that covers these five boards: - Microchip KSZ-9477 EVB - Microchip SAMA5D27-SOM1-EK - Groboards Giantboard - Atmel AT91SAM9263-EK - Atmel AT91SAM9x5 Series Evaluation Kit Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | | | | | doc: at91: delete done TODOsAhmad Fatoum2020-10-191-9/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | e52a250d2381 ("ARM: boards: Harmonize barebox_arm_reset_vector() prototype") has unified the prototype, so we can drop this TODO item. Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | | | | | ARM: at91sam9x5ek: Update NAND partitioningSascha Hauer2020-10-191-0/+32
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The current NAND partitioning is derived from the kernel dts. A current barebox built with at91sam9x5ek_defconfig no longer fits into the barebox partition. Also a Kernel built with sama5_defconfig no longer fits into the kernel partition. This makes the board quite unusable for modern setups, so take the step and do an incompatible update of the partitioning. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | | | | | ARM: at91sam9263ek: Update NAND partitioningSascha Hauer2020-10-191-1/+33
| | |_|_|/ / / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The current NAND partitioning is derived from the kernel dts. A current barebox built with at91sam9263ek_defconfig no longer fits into the barebox partition. Also a Kernel built with sama5_defconfig no longer fits into the kernel partition. This makes the board quite unusable for modern setups, so take the step and do an incompatible update of the partitioning. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | | | | | | Release v2020.11.0v2020.11.0Sascha Hauer2020-11-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | | | | | | firmware: Fix dependencies for PBLSascha Hauer2020-11-051-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The firmware object files for PBL have the name %.gen.pbl.o, not pbl-%.gen.o. Fix The dependencies so that the object files for PBL get rebuilt when the firmware changes. Fixes: ff047395b9 ("kbuild: rename pbl object pbl-*.o to *.pbl.o") Reported-by: Rouven Czerwinski <r.czerwinski@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | | | | | | ARM: dts: am335x: Fix pinctrl valuesSascha Hauer2020-11-037-396/+396
| |_|/ / / / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Linux 27c90e5e48d0 ("ARM: dts: am33xx-l4: change #pinctrl-cells from 1 to 2") changes #pinctrl-cells from 1 to 2. With this we need three values per pin. the upstream dts files use the AM33XX_PADCONF() macro which handles this change, but the barebox dts files do not use this, so we have to add an additional value. This patch is a purely mechanical version, a more fine grained version would drop the nodes/dts files we duplicated from upstream. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | | | | | ARM: bootm: Add lower bound check of kernel in SDRAMAlexander Shiyan2020-10-281-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In get_kernel_addresses(), we add the lower bound check of kernel position. Kernel address cannot be lower than SDRAM start. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | | | | | usb: Fix initial max packet sizeSascha Hauer2020-10-271-3/+5
| |_|/ / / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In case the USB device is a full speed device we have to set dev->epmaxpacketin[0] and dev->epmaxpacketout[0] before doing a get_descriptor_len() because otherwise it's unset during that call. Fixes: 6d1d95a386 ("usb: factor out a usb_setup_descriptor() function") Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | | | | Documentation: aarch64-qemu-virt: note physical target supportAhmad Fatoum2020-10-211-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The documentation structure is a bit unfortunate because it says 4.1. Aarch64, but lists only a single virtual board. Fix this by: - Removing the Aarch64 heading, as there are more boards outside it - Explicitly note that this documentation page only refers to the virtual target Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | | | | Documentation: x86: note EFI supportAhmad Fatoum2020-10-211-0/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Most users are better served by using the EFI support. Add an info box to nudge them into the correct direction. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | | | | Documentation: glossary: add some extra infoAhmad Fatoum2020-10-211-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Besides expanding the acronyms, a short description text can be useful. Add one where appropriate and sort the list alphabetically. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | | | | Documentation: boards: stm32mp: search engine optimizationAhmad Fatoum2020-10-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The vendor calls it STM32MP1. Have this name appear in the documentation as well to be easier found during web search. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | | | | Documentation: smhfs: fix some typosAhmad Fatoum2020-10-211-4/+4
| |_|_|/ |/| | | | | | | | | | | | | | | | | | | | | | | There are a few typos in the document. Fix them. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | | | sandbox: fix link error when UBSAN is selected without ASANAhmad Fatoum2020-10-191-6/+1
|/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | dc7f1fce6747 ("sandbox: fix SANDBOX_UNWIND dependency to be KASAN only") already restricted ARCH_HAS_STACK_DUMP to be dependent only on AddressSanitizer being available. This change got lost by an erroneous merge conflict resolution in 39bdcdfb814a ("Merge branch 'for-next/misc' into master"). Fix it up. Fixes: 39bdcdfb814a ("Merge branch 'for-next/misc' into master") Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | | Merge branch 'for-next/sandbox' into masterSascha Hauer2020-10-1425-232/+629
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| * | | sandbox: defconfig: enable new generic featuresAhmad Fatoum2020-10-131-2/+43
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Recent commits have modified sandbox for easier support of many common features: - block devices - watchdogs - reset source - reboot mode - barebox state Enable those in defconfig along with some other useful options. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | sandbox: dts: include state node by defaultAhmad Fatoum2020-10-133-50/+47
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For testing barebox-state, it would be nice to have a state pre-configured out-of-the-box. Add one to sandbox.dts. Because the barebox message on an non-configured state can looks quite scary, add an init script that tells the user that all is well. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | sandbox: add watchdog driverAhmad Fatoum2020-10-135-0/+117
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add SIGALRM based watchdog driver. This can reset barebox if stuck and plays nicely with $global.system.reset. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | sandbox: dts: implement reboot modeAhmad Fatoum2020-10-131-1/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Having a default reboot mode in the device tree allows testing the functionality out of sandbox without prior setup. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * | | sandbox: power: implement reset source supportAhmad Fatoum2020-10-132-1/+25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We can differentiate between POR and RST by explicitly storing RST as reset reason when we invoke the reset handler. Do so. Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>