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* dev/serial: Add Zynq UART kernel I/O supportSebastian Huber2024-04-045-138/+22
| | | | | | Replace the BSP_CONSOLE_MINOR BSP option for the Xilinx Zynq BSPs with the new BSP option ZYNQ_UART_KERNEL_IO_BASE_ADDR. Move the kernel I/O support to a shared file.
* dev/serial: Add ZYNQ_UART_[01]_BASE_ADDRSebastian Huber2024-04-042-2/+4
| | | | This helps to provide a shared implementation of the kernel I/O support.
* dev/serial: Simplify some Zynq UART functionsSebastian Huber2024-03-271-12/+3
| | | | | | Make the initialization and polled functions independent of the Termios context. This helps to implement the kernel I/O support without a dependency on the Termios framework.
* ZYNQ7000: Add support PYNQ, PicoZed, MicroZed, ZYBO and ZYBO Z7Bernd Moessner2023-11-2810-0/+40
| | | | | | | | | | | | | This patch adds basic support for the following boards: xilinx_zynq_pynq - PYNQ Z1 / Z2 xilinx_zynq_microzed - MicroZed 7010 / 7020 xilinx_zynq_picozed - PicoZed 7010 / 7015 / 7020 / 7030 xilinx_zynq_zybo - ZYBO xilinx_zynq_zybo_z7 - ZYBO Z7-10 / Z7-20 N.b. Arty Z7-20 is basically a PYNQ Z1 - different board color and updated Eth PHY.
* termios: Add <rtems/termiosdevice.h>Sebastian Huber2023-05-311-0/+1
| | | | | | | Add <rtems/termiosdevice.h> which does not depend on <rtems/libio.h> to provide rtems_termios_device_context and rtems_termios_device_handler. For polled serial device drivers, this removes a header file dependency to the full file system support.
* arm/xilinx-zynq: Initialize debug console onceSebastian Huber2023-05-261-0/+6
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* arm/xilinx-zynq: Do not provide legacy APISebastian Huber2023-05-261-1/+0
| | | | | The header file <rtems/irq.h> provides a legacy API. Do not provide it by default through <bsp/irq.h>.
* arm/xilinx-zynq: Improve Doxygen file commentsSebastian Huber2023-05-266-12/+64
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* Update company nameSebastian Huber2023-05-2012-12/+12
| | | | | The embedded brains GmbH & Co. KG is the legal successor of embedded brains GmbH.
* bsps/xilinx-zynq: Init debug console only onceSebastian Huber2022-07-011-4/+1
| | | | Initialize the debug console only once during early system initialization.
* bsp/arm/zynq: Cadence I2C has moved, update to the new pathChris Johns2022-02-171-1/+2
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* bsp_specs: Delete last remnants of these.Joel Sherrill2021-11-291-0/+0
| | | | Updates #3937.
* build: Remove old build systemSebastian Huber2021-09-212-49/+0
| | | | | Close #3250. Close #4081.
* bsps/zynq: Moved general i2c files to shared directoriesStephen Clark2021-09-093-616/+0
| | | | | Certain files related to the Zynq BSP's I2C driver are useable by the ZynqMP BSP as well. Moved these files to shared directory in anticipation of I2C support for ZynqMP.
* bsps/irq: Remove BSP_INTERRUPT_VECTOR_MAXSebastian Huber2021-06-241-1/+0
| | | | | | This define is no longer used. Update #3269.
* bsps/irq: Add BSP_INTERRUPT_VECTOR_COUNTSebastian Huber2021-06-241-0/+1
| | | | | | | | | | | | | Assert BSP_INTERRUPT_VECTOR_MAX + 1 == BSP_INTERRUPT_VECTOR_COUNT. After building all BSPs with this patch, BSP_INTERRUPT_VECTOR_MAX can be removed and replaced by BSP_INTERRUPT_VECTOR_COUNT. The BSP_INTERRUPT_VECTOR_COUNT allows a default implementation which supports no interrupt vector at all. Using COUNT instead of MAX may avoid some interpretation issues, for example is the maximum value a valid vector number or not. Update #3269.
* bsps/irq: Remove BSP_INTERRUPT_VECTOR_MINSebastian Huber2021-06-241-1/+0
| | | | | | | | | | Remove BSP_INTERRUPT_VECTOR_MIN and unconditionally let interrupt vector numbers start with zero. The BSP_INTERRUPT_VECTOR_MIN == 0 invariant was tested by the previous commit and building all BSPs. Update #3269.
* bsps: Replace bsp_specs with an empty fileSebastian Huber2021-01-281-9/+0
| | | | | | | This fixes an issue with the latest tool chain which adds the default linker script in the endfile specification. Update #3250.
* bsps/arm: Invalidate TLB in start.SSebastian Huber2020-12-231-4/+0
| | | | Update #4202.
* bsps/arm: Clear SCTLR[M, I, A, C] in start.SSebastian Huber2020-12-231-34/+3
| | | | | | | Initialize the data and unified cache levels. Invalidate the instruction cache levels. Update #4202.
* bsps/arm: Invalidate branch predictors earlierSebastian Huber2020-12-231-1/+0
| | | | | | | Make sure the branch predictors are invalidated before the first branch is executed. Update #4202.
* bsps: Move zynq-uart to bsps/sharedKinsey Moore2020-12-025-5/+5
| | | | | This moves the zynq-uart driver from bsps/arm/shared to bsps/shared to accomodate use by AArch64 BSPs.
* bsps: Break out AArch32 GICv3 supportKinsey Moore2020-10-052-2/+2
| | | | | This breaks out AArch32-specific code so that the shared GICv3 code can be reused by other architectures.
* testsuite: Add expected-fail to xilinx's zedboard, a9_qemu, zc702 and zc706Chris Johns2020-05-065-0/+40
| | | | Updates #2962
* arm/xilinx-zynq: Split console driver filesSebastian Huber2020-02-122-34/+60
| | | | | This avoids to pull in via printk() the Termios support which pulls in the file system support. This fixes a spconfig02 test failure.
* Use RTEMS_SYSINIT_ORDER_LAST_BUT_5Sebastian Huber2020-02-041-1/+1
| | | | | | | | Use RTEMS_SYSINIT_ORDER_LAST_BUT_5 instead of RTEMS_SYSINIT_ORDER_LAST to allow applications and support functions to place system initialization handlers behind the standard handlers. Update #3838.
* bsp/xilinx-zynq: Simplify linkcmds configSebastian Huber2019-10-231-3/+3
| | | | | | | Use NULL-pointer protection also for Qemu variant. Do all calculations in the linker command file. This is a preparation for the new build system.
* bsp/zynq-uart: Move Zynq UART driver to shared directoryJeff Kubascik2019-04-114-571/+0
| | | | | | This driver will be shared with the xilinx-zynqmp BSP. Update #3682.
* bsp/zynq-uart: Remove zynq_uart_instances from headerJeff Kubascik2019-04-113-3/+5
| | | | | | | This variable is BSP specific and should be removed from the driver header file. Update #3682.
* bsp/xilinx-zynq: Relicense to BSD-2-ClauseSebastian Huber2019-04-1017-153/+374
| | | | | | | | Relicense contributions from Chris Johns, Christian Mauderer, embedded brains GmbH, Joel Sherrill, OAR, Pavel Pisa, Ralf Kirchner, and Sebastian Huber. Update #3053.
* bsps: Adjust bsp.h Doxygen groupsSebastian Huber2019-03-084-13/+16
| | | | Update #3706.
* bsps: Adjust architecture Doxygen groupsSebastian Huber2019-03-041-1/+1
| | | | | | | | | | - Use CamelCase as it is not used in our C code. Enables simple search and replace. - Prefix with "RTEMS" to aid deployment and integration. It aids searching and sorting. Update #3706.
* Rework initialization and interrupt stack supportSebastian Huber2018-06-271-3/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Statically initialize the interrupt stack area (_Configuration_Interrupt_stack_area_begin, _Configuration_Interrupt_stack_area_end, and _Configuration_Interrupt_stack_size) via <rtems/confdefs.h>. Place the interrupt stack area in a special section ".rtemsstack.interrupt". Let BSPs define the optimal placement of this section in their linker command files (e.g. in a fast on-chip memory). This change makes makes the CPU_HAS_SOFTWARE_INTERRUPT_STACK and CPU_HAS_HARDWARE_INTERRUPT_STACK CPU port defines superfluous, since the low level initialization code has all information available via global symbols. This change makes the CPU_ALLOCATE_INTERRUPT_STACK CPU port define superfluous, since the interrupt stacks are allocated by confdefs.h for all architectures. There is no need for BSP-specific linker command file magic (except the section placement), see previous ARM linker command file as a bad example. Remove _CPU_Install_interrupt_stack(). Initialize the hardware interrupt stack in _CPU_Initialize() if necessary (e.g. m68k_install_interrupt_stack()). The optional _CPU_Interrupt_stack_setup() is still useful to customize the registration of the interrupt stack area in the per-CPU information. The initialization stack can reuse the interrupt stack, since * interrupts are disabled during the sequential system initialization, and * the boot_card() function does not return. This stack resuse saves memory. Changes per architecture: arm: * Mostly replace the linker symbol based configuration of stacks with the standard <rtems/confdefs.h> configuration via CONFIGURE_INTERRUPT_STACK_SIZE. The size of the FIQ, ABT and UND mode stack is still defined via linker symbols. These modes are rarely used in applications and the default values provided by the BSP should be sufficient in most cases. * Remove the bsp_processor_count linker symbol hack used for the SMP support. This is possible since the interrupt stack area is now allocated by the linker and not allocated from the heap. This makes some configure.ac stuff obsolete. Remove the now superfluous BSP variants altcycv_devkit_smp and realview_pbx_a9_qemu_smp. bfin: * Remove unused magic linker command file allocation of initialization stack. Maybe a previous linker command file copy and paste problem? In the start.S the initialization stack is set to a hard coded value. lm32, m32c, mips, nios2, riscv, sh, v850: * Remove magic linker command file allocation of initialization stack. Reuse interrupt stack for initialization stack. m68k: * Remove magic linker command file allocation of initialization stack. Reuse interrupt stack for initialization stack. powerpc: * Remove magic linker command file allocation of initialization stack. Reuse interrupt stack for initialization stack. * Used dedicated memory region (REGION_RTEMSSTACK) for the interrupt stack on BSPs using the shared linkcmds.base (replacement for REGION_RWEXTRA). sparc: * Remove the hard coded initialization stack. Use the interrupt stack for the initialization stack on the boot processor. This saves 16KiB of RAM. Update #3459.
* Add _CPU_Counter_frequency()Sebastian Huber2018-06-151-2/+0
| | | | | | | | | | Add rtems_counter_frequency() API function. Use it to initialize the counter value converter via the new system initialization step (RTEMS_SYSINIT_CPU_COUNTER). This decouples the counter implementation and the counter converter. It avoids an unnecessary pull in of the 64-bit integer division from libgcc. Update #3456.
* bsps: Move documentation, etc. files to bspsSebastian Huber2018-04-261-0/+13
| | | | | | This patch is a part of the BSP source reorganization. Update #3285.
* bsps: Move I2C drivers to bspsSebastian Huber2018-04-231-0/+469
| | | | | | This patch is a part of the BSP source reorganization. Update #3285.
* bsps: Move make/custom/* files to bspsSebastian Huber2018-04-235-0/+23
| | | | | | | | | Adjust various build files. Remove automatic generation of the c/src/lib/libbsp/*/acinclude.m4 files from bootstrap script. This patch is a part of the BSP source reorganization. Update #3285.
* bsps: Move startup files to bspsSebastian Huber2018-04-207-0/+289
| | | | | | | | Adjust build support files to new directory layout. This patch is a part of the BSP source reorganization. Update #3285.
* bsps: Move console drivers to bspsSebastian Huber2018-04-203-0/+441
| | | | | | This patch is a part of the BSP source reorganization. Update #3285.
* Remove make preinstallChris Johns2018-01-259-0/+621
A speciality of the RTEMS build system was the make preinstall step. It copied header files from arbitrary locations into the build tree. The header files were included via the -Bsome/build/tree/path GCC command line option. This has at least seven problems: * The make preinstall step itself needs time and disk space. * Errors in header files show up in the build tree copy. This makes it hard for editors to open the right file to fix the error. * There is no clear relationship between source and build tree header files. This makes an audit of the build process difficult. * The visibility of all header files in the build tree makes it difficult to enforce API barriers. For example it is discouraged to use BSP-specifics in the cpukit. * An introduction of a new build system is difficult. * Include paths specified by the -B option are system headers. This may suppress warnings. * The parallel build had sporadic failures on some hosts. This patch removes the make preinstall step. All installed header files are moved to dedicated include directories in the source tree. Let @RTEMS_CPU@ be the target architecture, e.g. arm, powerpc, sparc, etc. Let @RTEMS_BSP_FAMILIY@ be a BSP family base directory, e.g. erc32, imx, qoriq, etc. The new cpukit include directories are: * cpukit/include * cpukit/score/cpu/@RTEMS_CPU@/include * cpukit/libnetworking The new BSP include directories are: * bsps/include * bsps/@RTEMS_CPU@/include * bsps/@RTEMS_CPU@/@RTEMS_BSP_FAMILIY@/include There are build tree include directories for generated files. The include directory order favours the most general header file, e.g. it is not possible to override general header files via the include path order. The "bootstrap -p" option was removed. The new "bootstrap -H" option should be used to regenerate the "headers.am" files. Update #3254.
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