On Mon, Mar 11, 2013 at 10:14:59AM +0100, Steffen Trumtrar wrote: > Add basic support for the Xilinx Zynq-7000 EPP architecture. > The Zynq-7000 is an embedded processing platform that combines a Cortex A9 > dualcore MPSoC with an Artix-7 FPGA. > > Signed-off-by: Steffen Trumtrar <s.trumtrar@xxxxxxxxxxxxxx> > --- > arch/arm/Kconfig | 5 + > arch/arm/Makefile | 2 + > arch/arm/mach-zynq/Kconfig | 31 +++++ > arch/arm/mach-zynq/Makefile | 1 + > arch/arm/mach-zynq/clocksource.c | 58 +++++++++ > arch/arm/mach-zynq/devices.c | 14 +++ > arch/arm/mach-zynq/include/mach/barebox.lds.h | 9 ++ > arch/arm/mach-zynq/include/mach/debug_ll.h | 34 ++++++ > arch/arm/mach-zynq/include/mach/devices.h | 13 ++ > .../arm/mach-zynq/include/mach/zynq-flash-header.h | 40 +++++++ > arch/arm/mach-zynq/include/mach/zynq7000-regs.h | 132 +++++++++++++++++++++ > arch/arm/mach-zynq/zynq.c | 41 +++++++ > include/asm-generic/barebox.lds.h | 3 +- > 13 files changed, 382 insertions(+), 1 deletion(-) > create mode 100644 arch/arm/mach-zynq/Kconfig > create mode 100644 arch/arm/mach-zynq/Makefile > create mode 100644 arch/arm/mach-zynq/clocksource.c > create mode 100644 arch/arm/mach-zynq/devices.c > create mode 100644 arch/arm/mach-zynq/include/mach/barebox.lds.h > create mode 100644 arch/arm/mach-zynq/include/mach/debug_ll.h > create mode 100644 arch/arm/mach-zynq/include/mach/devices.h > create mode 100644 arch/arm/mach-zynq/include/mach/zynq-flash-header.h > create mode 100644 arch/arm/mach-zynq/include/mach/zynq7000-regs.h > create mode 100644 arch/arm/mach-zynq/zynq.c > > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig > index 28332ec..8431fa8 100644 > --- a/arch/arm/Kconfig > +++ b/arch/arm/Kconfig > @@ -110,6 +110,10 @@ config ARCH_TEGRA > select CPU_ARM926T > select HAS_DEBUG_LL > > +config ARCH_ZYNQ > + bool "Xilinx Zynq-based boards" > + select HAS_DEBUG_LL > + > endchoice > > source arch/arm/cpu/Kconfig > @@ -126,6 +130,7 @@ source arch/arm/mach-pxa/Kconfig > source arch/arm/mach-samsung/Kconfig > source arch/arm/mach-versatile/Kconfig > source arch/arm/mach-tegra/Kconfig > +source arch/arm/mach-zynq/Kconfig > > config ARM_ASM_UNIFIED > bool > diff --git a/arch/arm/Makefile b/arch/arm/Makefile > index fcb2969..ceb45dc 100644 > --- a/arch/arm/Makefile > +++ b/arch/arm/Makefile > @@ -64,6 +64,7 @@ machine-$(CONFIG_ARCH_PXA) := pxa > machine-$(CONFIG_ARCH_SAMSUNG) := samsung > machine-$(CONFIG_ARCH_VERSATILE) := versatile > machine-$(CONFIG_ARCH_TEGRA) := tegra > +machine-$(CONFIG_ARCH_ZYNQ) := zynq > > # Board directory name. This list is sorted alphanumerically > # by CONFIG_* macro name. > @@ -157,6 +158,7 @@ board-$(CONFIG_MACH_SABRELITE) := freescale-mx6-sabrelite > board-$(CONFIG_MACH_TX53) := karo-tx53 > board-$(CONFIG_MACH_GUF_VINCELL) := guf-vincell > board-$(CONFIG_MACH_EFIKA_MX_SMARTBOOK) := efika-mx-smartbook > +board-$(CONFIG_MACH_ZEDBOARD) := avnet-zedboard > > machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y)) > > diff --git a/arch/arm/mach-zynq/Kconfig b/arch/arm/mach-zynq/Kconfig > new file mode 100644 > index 0000000..8eb67d2 > --- /dev/null > +++ b/arch/arm/mach-zynq/Kconfig > @@ -0,0 +1,31 @@ > +if ARCH_ZYNQ > + > +config ARCH_TEXT_BASE > + hex > + default 0x1ff00000 if MACH_ZEDBOARD > + > +config BOARDINFO > + default "ZedBoard" if MACH_ZEDBOARD > + > +choice > + prompt "Xilinx Zynq type board" > + > +config ARCH_ZYNQ7000 > + bool "Zynq-7000" > + select CPU_V7 > + select DRIVER_SERIAL_CADENCE > + > +endchoice > + > +if ARCH_ZYNQ7000 > + > +choice > + prompt "Zynq-7000 Board Type" > + > +config MACH_ZEDBOARD > + bool "Avnet Zynq-7000 ZedBoard" > + > +endchoice > +endif > + > +endif > diff --git a/arch/arm/mach-zynq/Makefile b/arch/arm/mach-zynq/Makefile > new file mode 100644 > index 0000000..5d632b8 > --- /dev/null > +++ b/arch/arm/mach-zynq/Makefile > @@ -0,0 +1 @@ > +obj-y += zynq.o devices.o clocksource.o > diff --git a/arch/arm/mach-zynq/clocksource.c b/arch/arm/mach-zynq/clocksource.c > new file mode 100644 > index 0000000..300a73e > --- /dev/null > +++ b/arch/arm/mach-zynq/clocksource.c > @@ -0,0 +1,58 @@ > +/* > + * (C) Copyright 2012 Steffen Trumtrar <s.trumtrar@xxxxxxxxxxxxxx> > + * > + * This program is free software; you can redistribute it and/or > + * modify it under the terms of the GNU General Public License as > + * published by the Free Software Foundation; either version 2 of > + * the License, or (at your option) any later version. > + * > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + * > + */ > + > +#include <clock.h> > +#include <common.h> > +#include <init.h> > +#include <io.h> > +#include <mach/zynq7000-regs.h> > + > +#define PRIVATE_TIMER_COUNTER 0x04 > +#define PRIVATE_TIMER_CONTROL 0x08 > + > +#define TIMER_CTRL_TIMER_EN 0x1 > +#define TIMER_CTRL_AUTO_RELOAD 0x2 > +#define TIMER_PRESCALER_SHIFT 0x8 > +#define TIMER_PRESCALER 0xFF Did you decide against the use of the existing smp_twd driver? Was there a particular reason it wasn't suitable? Josh _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
