On Fri, 23 Nov 2018 14:35:53 +0100, Michael Tretter wrote: > Add support for the Xilinx Zynq Ultrascale+ MPSoC architecture (ZynqMP) > and the Xilinx ZCU104 board. > > Barebox is booted as BL33 in EL-1 and expects that a BL2 (i.e. the FSBL) > already took care of initializing the RAM. Also for debug_ll, the UART > is expected to be already setup correctly. > > Thus, you have to add the Barebox binary to a boot image as described in > "Chapter 11: Boot and Configuration" of "Zynq Ultrascale+ Device > Technical Reference Manual". > > The ENTRY_FUNCTION macro cannot be used in aarch64, because aarch64 does > not specify the __naked__ attribute and gcc add a function prologue to > the entry function which writes to the stack, but the stack is not set > up. Thus, the entry has to be implemented in assembly. > > Signed-off-by: Michael Tretter <m.tretter@xxxxxxxxxxxxxx> > --- > arch/arm/Kconfig | 14 +++++++ > arch/arm/Makefile | 1 + > arch/arm/boards/Makefile | 1 + > arch/arm/boards/xilinx-zcu104/Makefile | 2 + > arch/arm/boards/xilinx-zcu104/board.c | 25 ++++++++++++ > arch/arm/boards/xilinx-zcu104/lowlevel.c | 30 +++++++++++++++ > arch/arm/boards/xilinx-zcu104/lowlevel_init.S | 32 ++++++++++++++++ > arch/arm/configs/zynqmp_defconfig | 38 +++++++++++++++++++ > arch/arm/dts/Makefile | 1 + > arch/arm/mach-zynqmp/Kconfig | 9 +++++ > arch/arm/mach-zynqmp/Makefile | 1 + > arch/arm/mach-zynqmp/include/mach/debug_ll.h | 30 +++++++++++++++ > arch/arm/mach-zynqmp/zynqmp.c | 22 +++++++++++ > images/Makefile | 1 + > images/Makefile.zynqmp | 7 ++++ > 15 files changed, 214 insertions(+) > create mode 100644 arch/arm/boards/xilinx-zcu104/Makefile > create mode 100644 arch/arm/boards/xilinx-zcu104/board.c > create mode 100644 arch/arm/boards/xilinx-zcu104/lowlevel.c > create mode 100644 arch/arm/boards/xilinx-zcu104/lowlevel_init.S > create mode 100644 arch/arm/configs/zynqmp_defconfig > create mode 100644 arch/arm/mach-zynqmp/Kconfig > create mode 100644 arch/arm/mach-zynqmp/Makefile > create mode 100644 arch/arm/mach-zynqmp/include/mach/debug_ll.h > create mode 100644 arch/arm/mach-zynqmp/zynqmp.c > create mode 100644 images/Makefile.zynqmp > [...] > diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile > index 503d9b18f9..0ac3124c8c 100644 > --- a/arch/arm/dts/Makefile > +++ b/arch/arm/dts/Makefile > @@ -119,6 +119,7 @@ pbl-dtb-$(CONFIG_MACH_ZII_VF610_DEV) += \ > pbl-dtb-$(CONFIG_MACH_AT91SAM9263EK_DT) += at91sam9263ek.dtb.o > pbl-dtb-$(CONFIG_MACH_MICROCHIP_KSZ9477_EVB) += at91-microchip-ksz9477-evb.dtb.o > pbl-dtb-$(CONFIG_MACH_AT91SAM9X5EK) += at91sam9x5ek.dtb.o > +pbl-dtb-$(CONFIG_MACH_XILINX_ZCU104) += zynqmp-zcu104-revA.dtb.o I forgot to add the dts file for barebox to the patch. Will do in v2. Michael > > pbl-dtb-$(CONFIG_MACH_ZII_IMX7D_RPU2) += imx7d-zii-rpu2.dtb.o > _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
