[U-Boot] [PATCH 4/4 v2] xilinx: Add new Zynq board
Joe Hershberger
joe.hershberger at gmail.com
Tue Aug 14 17:48:18 CEST 2012
Hi Michal,
On Tue, Aug 14, 2012 at 7:15 AM, Michal Simek <monstr at monstr.eu> wrote:
> Add support for Xilinx Zynq board.
>
> Signed-off-by: Michal Simek <monstr at monstr.eu>
>
> ---
> v2: Forget to also add config file
> ---
> board/xilinx/zynq/Makefile | 57 +++++++++++++++++
> board/xilinx/zynq/board.c | 64 +++++++++++++++++++
> board/xilinx/zynq/lowlevel_init.S | 27 ++++++++
This lowlevel_init.S should be in arch/arm/cpu/armv7/zynq/
> boards.cfg | 1 +
> include/configs/zynq.h | 124 +++++++++++++++++++++++++++++++++++++
> 5 files changed, 273 insertions(+), 0 deletions(-)
> create mode 100644 board/xilinx/zynq/Makefile
> create mode 100644 board/xilinx/zynq/board.c
> create mode 100644 board/xilinx/zynq/lowlevel_init.S
> create mode 100644 include/configs/zynq.h
>
> diff --git a/board/xilinx/zynq/Makefile b/board/xilinx/zynq/Makefile
> new file mode 100644
> index 0000000..373a8a7
> --- /dev/null
> +++ b/board/xilinx/zynq/Makefile
> @@ -0,0 +1,57 @@
> +#
> +# (C) Copyright 2000-2006
> +# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
> +#
> +# See file CREDITS for list of people who contributed to this
> +# project.
> +#
> +# 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.
> +#
> +# You should have received a copy of the GNU General Public License
> +# along with this program; if not, write to the Free Software
> +# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
> +# MA 02111-1307 USA
> +#
> +
> +include $(TOPDIR)/config.mk
> +ifneq ($(OBJTREE),$(SRCTREE))
> +$(shell mkdir -p $(obj)../common)
> +endif
> +
> +LIB = $(obj)lib$(BOARD).o
> +
> +COBJS-y := board.o
> +
> +COBJS := $(sort $(COBJS-y))
> +
> +SOBJS := lowlevel_init.o
> +
> +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
> +OBJS := $(addprefix $(obj),$(COBJS))
> +SOBJS := $(addprefix $(obj),$(SOBJS))
> +
> +$(LIB): $(obj).depend $(OBJS) $(SOBJS)
> + $(call cmd_link_o_target, $(OBJS) $(SOBJS))
> +
> +clean:
> + rm -f $(SOBJS) $(OBJS)
> +
> +distclean: clean
> + rm -f $(LIB) core *.bak $(obj).depend
> +
> +#########################################################################
> +
> +# defines $(obj).depend target
> +include $(SRCTREE)/rules.mk
> +
> +sinclude $(obj).depend
> +
> +#########################################################################
> diff --git a/board/xilinx/zynq/board.c b/board/xilinx/zynq/board.c
> new file mode 100644
> index 0000000..716fcfe
> --- /dev/null
> +++ b/board/xilinx/zynq/board.c
Are you thinking that this will be the one and only Zynq board?
Perhaps a layout like what Xilinx has in their branch is more
appropriate.
http://git.xilinx.com/?p=u-boot-xarm.git;a=history;f=board/xilinx/zynq_common;hb=refs/heads/master
> @@ -0,0 +1,64 @@
> +/*
> + * (C) Copyright 2012 Michal Simek <monstr at monstr.eu>
> + *
> + * See file CREDITS for list of people who contributed to this
> + * project.
> + *
> + * 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.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
> + * MA 02111-1307 USA
> + */
> +
> +#include <common.h>
> +#include <netdev.h>
> +
> +DECLARE_GLOBAL_DATA_PTR;
> +
> +int board_init(void)
> +{
> + icache_enable();
> +
> + return 0;
> +}
> +
> +int board_late_init(void)
> +{
> + return 0;
> +}
> +
> +#ifdef CONFIG_CMD_NET
> +int board_eth_init(bd_t *bis)
> +{
> + int ret = 0;
> +
> +#if defined(CONFIG_XILINX_GEM) && defined(CONFIG_XPSS_GEM_BASEADDR0)
> + ret |= xilinx_gem_initialize(bis, CONFIG_XPSS_GEM_BASEADDR0);
> +#endif
> +
> + return ret;
> +}
> +#endif
> +
> +int dram_init(void)
> +{
> + gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
> +
> + return 0;
> +}
> +
> +void reset_cpu(ulong addr)
> +{
> + while (1)
> + ;
> +}
> diff --git a/board/xilinx/zynq/lowlevel_init.S b/board/xilinx/zynq/lowlevel_init.S
> new file mode 100644
> index 0000000..642eb18
> --- /dev/null
> +++ b/board/xilinx/zynq/lowlevel_init.S
> @@ -0,0 +1,27 @@
> +/*
> + * (C) Copyright 2012 Michal Simek <monstr at monstr.eu>
> + *
> + * See file CREDITS for list of people who contributed to this
> + * project.
> + *
> + * 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.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
> + */
> +
> +#include <config.h>
> +#include <linux/linkage.h>
> +
> +ENTRY(lowlevel_init)
> + mov pc, lr
> +ENDPROC(lowlevel_init)
> diff --git a/boards.cfg b/boards.cfg
> index fdb84ad..aeca912 100644
> --- a/boards.cfg
> +++ b/boards.cfg
> @@ -261,6 +261,7 @@ seaboard arm armv7 seaboard nvidia
> ventana arm armv7 ventana nvidia tegra2
> whistler arm armv7 whistler nvidia tegra2
> u8500_href arm armv7 u8500 st-ericsson u8500
> +zynq arm armv7 zynq xilinx zynq
> actux1_4_16 arm ixp actux1 - - actux1:FLASH2X2
> actux1_4_32 arm ixp actux1 - - actux1:FLASH2X2,RAM_32MB
> actux1_8_16 arm ixp actux1 - - actux1:FLASH1X8
> diff --git a/include/configs/zynq.h b/include/configs/zynq.h
> new file mode 100644
> index 0000000..bd64eb8
> --- /dev/null
> +++ b/include/configs/zynq.h
> @@ -0,0 +1,124 @@
> +/*
> + * (C) Copyright 2012 Michal Simek <monstr at monstr.eu>
> + *
> + * See file CREDITS for list of people who contributed to this
> + * project.
> + *
> + * 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.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
> + * MA 02111-1307 USA
> + */
> +
> +#ifndef __CONFIG_ZYNQ_H
> +#define __CONFIG_ZYNQ_H
> +
> +#define CONFIG_ARMV7 /* This is an ARM V7 CPU core */
> +#define CONFIG_ZYNQ
> +
> +/* CPU clock */
> +#define CONFIG_CPU_FREQ_HZ 800000000
> +#define CONFIG_SYS_HZ 1000
> +
> +/* Ram */
> +#define CONFIG_NR_DRAM_BANKS 1
> +#define CONFIG_SYS_SDRAM_BASE 0
> +#define CONFIG_SYS_SDRAM_SIZE 0x40000000
> +#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
> +#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + 0x1000)
> +
> +/* The following table includes the supported baudrates */
> +#define CONFIG_SYS_BAUDRATE_TABLE \
> + {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
> +
> +#define CONFIG_BAUDRATE 115200
> +
> +/* XPSS Serial driver */
> +#define CONFIG_XPSS_SERIAL
> +#define CONFIG_XPSS_SERIAL_BASEADDR0 0xE0001000
> +#define CONFIG_XPSS_SERIAL_BAUDRATE0 CONFIG_BAUDRATE
> +#define CONFIG_XPSS_SERIAL_CLOCK0 50000000
> +
> +/* SCU timer address is hardcoded */
> +#define CONFIG_XPSS_SCUTIMER_BASEADDR 0xF8F00600
> +
> +/* Ethernet driver */
> +#define CONFIG_NET_MULTI
> +#define CONFIG_XILINX_GEM
> +#define CONFIG_XPSS_GEM_BASEADDR0 0xE000B000
> +
> +#define CONFIG_ETHADDR 00:0a:35:00:b2:02
Don't put MAC addresses in a config file.
> +#define CONFIG_IPADDR 192.168.0.105
> +#define CONFIG_SERVERIP 192.168.0.101
> +#define CONFIG_GATEWAYIP 192.168.0.1
Is this really helpful?
> +
> +#define CONFIG_BOOTP_SERVERIP
> +#define CONFIG_BOOTP_BOOTPATH
> +#define CONFIG_BOOTP_GATEWAY
> +#define CONFIG_BOOTP_HOSTNAME
> +#define CONFIG_BOOTP_MAY_FAIL
> +
> +/* MII and Phylib */
> +#define CONFIG_MII
> +#define CONFIG_SYS_FAULT_ECHO_LINK_DOWN
> +#define CONFIG_PHYLIB
> +#define CONFIG_PHY_ATHEROS
> +#define CONFIG_PHY_BROADCOM
> +#define CONFIG_PHY_DAVICOM
> +#define CONFIG_PHY_GIGE
> +#define CONFIG_PHY_LXT
> +#define CONFIG_PHY_MARVELL
> +#define CONFIG_PHY_MICREL
> +#define CONFIG_PHY_NATSEMI
> +#define CONFIG_PHY_REALTEK
> +#define CONFIG_PHY_VITESSE
I guess since this is a ficticious board it has every manufacturer's phy on it?
> +
> +/* Environment */
> +#define CONFIG_ENV_IS_NOWHERE
> +#define CONFIG_ENV_SIZE 0x10000
> +
> +#define CONFIG_SYS_NO_FLASH
> +
> +#define CONFIG_SYS_MALLOC_LEN 0x400000
> +#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_SDRAM_BASE
> +#define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_MALLOC_LEN
> +#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
> + CONFIG_SYS_INIT_RAM_SIZE - \
> + GENERATED_GBL_DATA_SIZE)
> +
> +#define CONFIG_SYS_PROMPT "U-Boot> "
> +#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
> +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
> + sizeof(CONFIG_SYS_PROMPT) + 16)
> +
> +#define CONFIG_SYS_LOAD_ADDR 0
> +#define CONFIG_SYS_MAXARGS 15 /* max number of command args */
> +#define CONFIG_SYS_LONGHELP
Why the peculiar spacing?
> +#define CONFIG_AUTO_COMPLETE
> +#define CONFIG_CMDLINE_EDITING
> +
> +#define CONFIG_SYS_HUSH_PARSER
> +#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
> +
> +/* OF */
> +#define CONFIG_FIT
> +#define CONFIG_OF_LIBFDT
> +
> +/* Commands */
> +#include <config_cmd_default.h>
> +
> +#define CONFIG_CMD_PING
> +#define CONFIG_CMD_DHCP
> +#define CONFIG_CMD_MII
> +
> +#endif /* __CONFIG_ZYNQ_H */
> --
> 1.7.0.4
>
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