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From: Michael Tretter <m.tretter@pengutronix.de>
To: barebox@lists.infradead.org
Subject: Re: [PATCH 3/3] ARM: zynqmp: add support for Xilinx ZCU104 board
Date: Fri, 23 Nov 2018 15:38:59 +0100	[thread overview]
Message-ID: <20181123153859.4e48edb8@litschi.hi.pengutronix.de> (raw)
In-Reply-To: <20181123133553.24761-4-m.tretter@pengutronix.de>



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@pengutronix.de>
> ---
>  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
>  

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  parent reply	other threads:[~2018-11-23 14:39 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-23 13:35 [PATCH 0/3] Xilinx Zynq Ultrascale+ MPSoC support Michael Tretter
2018-11-23 13:35 ` [PATCH 1/3] ARM: lib64: .gitignore barebox.lds Michael Tretter
2018-11-23 13:35 ` [PATCH 2/3] ARM: aarch64: compile with general-regs-only Michael Tretter
2018-11-23 13:48   ` Rouven Czerwinski
2018-11-23 13:35 ` [PATCH 3/3] ARM: zynqmp: add support for Xilinx ZCU104 board Michael Tretter
2018-11-23 13:55   ` Rouven Czerwinski
2018-11-26 10:37     ` Roland Hieber
2018-11-23 14:38   ` Michael Tretter [this message]
2018-11-23 15:08   ` Oleksij Rempel
2018-11-23 18:27     ` Michael Tretter
2018-11-23 18:41       ` Oleksij Rempel

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