Hello,
this series adds U-Boot port to Xtensa, configurable processor architecture from Tensilica, Inc., now Cadence Design Systems Inc. It depends on the following patch series: - net/ethoc improvements http://lists.denx.de/pipermail/u-boot/2016-August/263040.html - drivers/sysreset: group sysreset drivers http://lists.denx.de/pipermail/u-boot/2016-August/263200.html
Two patches add proper xtensa bits: changes to shares files and contents of arch/xtensa. Next three patches add three sample xtensa CPU configurations: one without MMU, with MMUv2 and with MMUv3. One more patch adds xtfpga board family that consists of Avnet LX60, LX110 and LX200 and Xilinx ML605 and KC705 FPGA boards configured with xtensa bitstream.
The whole series is also available in the following git tree:
git://github.com/jcmvbkbc/u-boot-xtensa.git tags/xtensa-for-mainline-v4
The port has been done mainly by Chris Zankel. I've been maintaining it internally for some time now and I'll maintain it upstream.
Changes v3->v4: - use __attribute__((section(".data"))) with gd; - always define interrupt_init, enable_interrupts and disable_interrupts; - rebase to sysreset consolidation patch, move sysreset driver to drivers/sysreset.
Changes v2->v3: - move do_bdinfo refactoring and OpenCores ethernet patches to separate series;
- drop changes to the MAKEALL script; - refactor do_bdinfo; - fix wording of doc/README.xtensa; - rewrite memory exception handling part in doc/README.xtensa. - add bss clearing call to init_sequence_f;
- fix comment wording and stylistic issues; - drop {HAVE,SYS}_GENERIC_BOARD from Kconfig; - drop ASCDISP, display_printf and include/asm/xtensa.h; - drop 10 second delay in unhandled_exception; - don's silence invalid memory access, report and panic; - move bss clearing to c code; - drop custom do_reset implementation;
- fix core configuration files license; - add comment that core configuration files are autogenerated;
- drop LCD display support; - add reset driver; - add ethernet device configuration for DM_ETH driver; - enable phylib in defconfig;
Changes v1->v2: - code rebased to v2016.07-rc3; - the port now uses generic board; - timer_get_us is implemented for CPU cores that have CCOUNT option; - functional atomic.h is provided; - both windowed and call0 ABIs are supported; - noMMU, MMUv2 and MMUv3 cores are supported; - CONFIG_OF_CONTROL is supported and DTS for the latest XTFPGA boards are provided.
Chris Zankel (4): xtensa: add support for the xtensa processor architecture [1/2] xtensa: add support for the xtensa processor architecture [2/2] xtensa: add core information for the dc232b processor xtensa: add support for the 'xtfpga' evaluation board
Max Filippov (2): xtensa: add core information for the dc233c processor xtensa: add core information for the de212 processor
MAINTAINERS | 5 + Makefile | 10 +- arch/Kconfig | 6 + arch/xtensa/Kconfig | 21 + arch/xtensa/Makefile | 8 + arch/xtensa/config.mk | 12 + arch/xtensa/cpu/Makefile | 9 + arch/xtensa/cpu/cpu.c | 49 ++ arch/xtensa/cpu/exceptions.c | 44 ++ arch/xtensa/cpu/start.S | 677 ++++++++++++++++++++++++++ arch/xtensa/cpu/u-boot.lds | 116 +++++ arch/xtensa/dts/Makefile | 15 + arch/xtensa/dts/include/dt-bindings | 1 + arch/xtensa/dts/kc705.dts | 15 + arch/xtensa/dts/kc705_nommu.dts | 17 + arch/xtensa/dts/ml605.dts | 15 + arch/xtensa/dts/ml605_nommu.dts | 18 + arch/xtensa/dts/xtfpga-flash-128m.dtsi | 28 ++ arch/xtensa/dts/xtfpga-flash-16m.dtsi | 28 ++ arch/xtensa/dts/xtfpga.dtsi | 137 ++++++ arch/xtensa/include/asm/addrspace.h | 31 ++ arch/xtensa/include/asm/arch-dc232b/core.h | 423 ++++++++++++++++ arch/xtensa/include/asm/arch-dc232b/tie-asm.h | 121 +++++ arch/xtensa/include/asm/arch-dc232b/tie.h | 130 +++++ arch/xtensa/include/asm/arch-dc233c/core.h | 454 +++++++++++++++++ arch/xtensa/include/asm/arch-dc233c/tie-asm.h | 173 +++++++ arch/xtensa/include/asm/arch-dc233c/tie.h | 130 +++++ arch/xtensa/include/asm/arch-de212/core.h | 573 ++++++++++++++++++++++ arch/xtensa/include/asm/arch-de212/tie-asm.h | 150 ++++++ arch/xtensa/include/asm/arch-de212/tie.h | 116 +++++ arch/xtensa/include/asm/asmmacro.h | 152 ++++++ arch/xtensa/include/asm/atomic.h | 55 +++ arch/xtensa/include/asm/bitops.h | 36 ++ arch/xtensa/include/asm/bootparam.h | 54 ++ arch/xtensa/include/asm/byteorder.h | 83 ++++ arch/xtensa/include/asm/cache.h | 25 + arch/xtensa/include/asm/cacheasm.h | 211 ++++++++ arch/xtensa/include/asm/config.h | 24 + arch/xtensa/include/asm/errno.h | 1 + arch/xtensa/include/asm/global_data.h | 20 + arch/xtensa/include/asm/io.h | 148 ++++++ arch/xtensa/include/asm/ldscript.h | 222 +++++++++ arch/xtensa/include/asm/linkage.h | 4 + arch/xtensa/include/asm/misc.h | 20 + arch/xtensa/include/asm/posix_types.h | 74 +++ arch/xtensa/include/asm/processor.h | 11 + arch/xtensa/include/asm/ptrace.h | 133 +++++ arch/xtensa/include/asm/regs.h | 95 ++++ arch/xtensa/include/asm/relocate.h | 14 + arch/xtensa/include/asm/sections.h | 12 + arch/xtensa/include/asm/string.h | 10 + arch/xtensa/include/asm/system.h | 27 + arch/xtensa/include/asm/types.h | 60 +++ arch/xtensa/include/asm/u-boot.h | 41 ++ arch/xtensa/include/asm/unaligned.h | 6 + arch/xtensa/lib/Makefile | 10 + arch/xtensa/lib/bootm.c | 197 ++++++++ arch/xtensa/lib/cache.c | 60 +++ arch/xtensa/lib/misc.S | 179 +++++++ arch/xtensa/lib/relocate.c | 18 + arch/xtensa/lib/time.c | 121 +++++ board/cadence/xtfpga/Kconfig | 39 ++ board/cadence/xtfpga/MAINTAINERS | 7 + board/cadence/xtfpga/Makefile | 7 + board/cadence/xtfpga/README | 125 +++++ board/cadence/xtfpga/xtfpga.c | 115 +++++ cmd/bdinfo.c | 8 + common/board_f.c | 12 +- common/image.c | 1 + configs/xtfpga_defconfig | 22 + doc/README.xtensa | 97 ++++ drivers/sysreset/Makefile | 1 + drivers/sysreset/sysreset_xtfpga.c | 37 ++ examples/standalone/stubs.c | 47 ++ include/configs/xtfpga.h | 268 ++++++++++ include/image.h | 1 + include/linux/stat.h | 4 +- 77 files changed, 6440 insertions(+), 6 deletions(-) create mode 100644 arch/xtensa/Kconfig create mode 100644 arch/xtensa/Makefile create mode 100644 arch/xtensa/config.mk create mode 100644 arch/xtensa/cpu/Makefile create mode 100644 arch/xtensa/cpu/cpu.c create mode 100644 arch/xtensa/cpu/exceptions.c create mode 100644 arch/xtensa/cpu/start.S create mode 100644 arch/xtensa/cpu/u-boot.lds create mode 100644 arch/xtensa/dts/Makefile create mode 120000 arch/xtensa/dts/include/dt-bindings create mode 100644 arch/xtensa/dts/kc705.dts create mode 100644 arch/xtensa/dts/kc705_nommu.dts create mode 100644 arch/xtensa/dts/ml605.dts create mode 100644 arch/xtensa/dts/ml605_nommu.dts create mode 100644 arch/xtensa/dts/xtfpga-flash-128m.dtsi create mode 100644 arch/xtensa/dts/xtfpga-flash-16m.dtsi create mode 100644 arch/xtensa/dts/xtfpga.dtsi create mode 100644 arch/xtensa/include/asm/addrspace.h create mode 100644 arch/xtensa/include/asm/arch-dc232b/core.h create mode 100644 arch/xtensa/include/asm/arch-dc232b/tie-asm.h create mode 100644 arch/xtensa/include/asm/arch-dc232b/tie.h create mode 100644 arch/xtensa/include/asm/arch-dc233c/core.h create mode 100644 arch/xtensa/include/asm/arch-dc233c/tie-asm.h create mode 100644 arch/xtensa/include/asm/arch-dc233c/tie.h create mode 100644 arch/xtensa/include/asm/arch-de212/core.h create mode 100644 arch/xtensa/include/asm/arch-de212/tie-asm.h create mode 100644 arch/xtensa/include/asm/arch-de212/tie.h create mode 100644 arch/xtensa/include/asm/asmmacro.h create mode 100644 arch/xtensa/include/asm/atomic.h create mode 100644 arch/xtensa/include/asm/bitops.h create mode 100644 arch/xtensa/include/asm/bootparam.h create mode 100644 arch/xtensa/include/asm/byteorder.h create mode 100644 arch/xtensa/include/asm/cache.h create mode 100644 arch/xtensa/include/asm/cacheasm.h create mode 100644 arch/xtensa/include/asm/config.h create mode 100644 arch/xtensa/include/asm/errno.h create mode 100644 arch/xtensa/include/asm/global_data.h create mode 100644 arch/xtensa/include/asm/io.h create mode 100644 arch/xtensa/include/asm/ldscript.h create mode 100644 arch/xtensa/include/asm/linkage.h create mode 100644 arch/xtensa/include/asm/misc.h create mode 100644 arch/xtensa/include/asm/posix_types.h create mode 100644 arch/xtensa/include/asm/processor.h create mode 100644 arch/xtensa/include/asm/ptrace.h create mode 100644 arch/xtensa/include/asm/regs.h create mode 100644 arch/xtensa/include/asm/relocate.h create mode 100644 arch/xtensa/include/asm/sections.h create mode 100644 arch/xtensa/include/asm/string.h create mode 100644 arch/xtensa/include/asm/system.h create mode 100644 arch/xtensa/include/asm/types.h create mode 100644 arch/xtensa/include/asm/u-boot.h create mode 100644 arch/xtensa/include/asm/unaligned.h create mode 100644 arch/xtensa/lib/Makefile create mode 100644 arch/xtensa/lib/bootm.c create mode 100644 arch/xtensa/lib/cache.c create mode 100644 arch/xtensa/lib/misc.S create mode 100644 arch/xtensa/lib/relocate.c create mode 100644 arch/xtensa/lib/time.c create mode 100644 board/cadence/xtfpga/Kconfig create mode 100644 board/cadence/xtfpga/MAINTAINERS create mode 100644 board/cadence/xtfpga/Makefile create mode 100644 board/cadence/xtfpga/README create mode 100644 board/cadence/xtfpga/xtfpga.c create mode 100644 configs/xtfpga_defconfig create mode 100644 doc/README.xtensa create mode 100644 drivers/sysreset/sysreset_xtfpga.c create mode 100644 include/configs/xtfpga.h