[U-Boot] [PATCH v2 2/2] ARMV7: MMC SPL Boot support for SMDKV310 board
Minkyu Kang
promsoft at gmail.com
Tue May 17 10:26:53 CEST 2011
Dear Chander Kashyap,
Sorry to late review.
On 21 April 2011 16:02, Chander Kashyap <chander.kashyap at linaro.org> wrote:
> Added MMC SPL boot support for SMDKV310. This framework design is
> based on nand_spl support.
>
> Signed-off-by: Chander Kashyap <chander.kashyap at linaro.org>
> ---
> Makefile | 9 ++
> spl/board/samsung/smdkv310/Makefile | 103 +++++++++++++++++++++++
> spl/board/samsung/smdkv310/mmc_boot.c | 82 ++++++++++++++++++
> spl/board/samsung/smdkv310/tools/mkv310_image.c | 103 +++++++++++++++++++++++
> spl/board/samsung/smdkv310/u-boot.lds | 86 +++++++++++++++++++
> 5 files changed, 383 insertions(+), 0 deletions(-)
> create mode 100644 spl/board/samsung/smdkv310/Makefile
> create mode 100644 spl/board/samsung/smdkv310/mmc_boot.c
> create mode 100644 spl/board/samsung/smdkv310/tools/mkv310_image.c
> create mode 100644 spl/board/samsung/smdkv310/u-boot.lds
>
> diff --git a/Makefile b/Makefile
> index 713dba1..a298221 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -321,6 +321,10 @@ ALL += $(obj)u-boot-onenand.bin
> ONENAND_BIN ?= $(obj)onenand_ipl/onenand-ipl-2k.bin
> endif
>
> +ifeq ($(CONFIG_MMC_U_BOOT),y)
> +ALL += $(obj)spl/v310_mmc_spl.bin
NAK.
This naming is SoC specific.
And binary is should be located in root directory, I think..
e.g) ALL += $(obj)u-boot-mmc.bin
> +endif
> +
> all: $(ALL)
>
> $(obj)u-boot.hex: $(obj)u-boot
> @@ -412,6 +416,11 @@ onenand_ipl: $(TIMESTAMP_FILE) $(VERSION_FILE) $(obj)include/autoconf.mk
> $(obj)u-boot-onenand.bin: onenand_ipl $(obj)u-boot.bin
> cat $(ONENAND_BIN) $(obj)u-boot.bin > $(obj)u-boot-onenand.bin
>
> +spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend
mmc_spl is better.
> + $(MAKE) -C spl/board/$(BOARDDIR) all
> +
> +$(obj)spl/v310_mmc_spl.bin: spl
> +
> $(VERSION_FILE):
> @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \
> printf '#define PLAIN_VERSION "%s%s"\n' \
And you missed clean and clobber sections.
> diff --git a/spl/board/samsung/smdkv310/Makefile b/spl/board/samsung/smdkv310/Makefile
> new file mode 100644
> index 0000000..fdede6b
> --- /dev/null
> +++ b/spl/board/samsung/smdkv310/Makefile
> @@ -0,0 +1,103 @@
> +#
> +# (C) Copyright 2006-2007
> +# Stefan Roese, DENX Software Engineering, sr at denx.de.
> +#
> +# (C) Copyright 2008
> +# Guennadi Liakhovetki, DENX Software Engineering, <lg at denx.de>
> +#
> +# (C) Copyright 2011
> +# Chander Kashyap, Samsung Electronics, <k.chander at samsung.com>
> +#
> +# 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
> +#
> +
> +CONFIG_MMC_SPL = y
> +
> +include $(TOPDIR)/config.mk
> +
> +LDSCRIPT= $(TOPDIR)/spl/board/$(BOARDDIR)/u-boot.lds
> +LDFLAGS = -Bstatic -T $(mmcobj)u-boot.lds -Ttext $(CONFIG_SYS_TEXT_BASE) $(PLATFORM_LDFLAGS)
> +AFLAGS += -DCONFIG_MMC_SPL
> +CFLAGS += -DCONFIG_MMC_SPL
Please add -DCONFIG_PRELOADER also.
> +
> +SOBJS = start.o mem_setup.o lowlevel_init.o
> +COBJS = mmc_boot.o
> +
> +SRCS := $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c))
> +OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
> +__OBJS := $(SOBJS) $(COBJS)
> +LNDIR := $(OBJTREE)/spl/board/$(BOARDDIR)
> +
> +mmcobj := $(OBJTREE)/spl/
> +
> +
> +MKBIN_V310_MMC_SPL_BIN = mkv310_mmc_spl_bin
> +MMC_SPL_BIN = v310_mmc_spl.bin
> +
> +ALL = $(mmcobj)u-boot-spl $(mmcobj)u-boot-spl.bin $(mmcobj)$(MMC_SPL_BIN)
> +
> +all: $(obj).depend $(ALL)
> +
> +$(mmcobj)$(MMC_SPL_BIN): $(mmcobj)u-boot-spl.bin tools/$(MKBIN_V310_MMC_SPL_BIN)
> + ./tools/$(MKBIN_V310_MMC_SPL_BIN) $(mmcobj)u-boot-spl.bin $(mmcobj)$(MMC_SPL_BIN)
> +
> +tools/$(MKBIN_V310_MMC_SPL_BIN): tools/mkv310_image.c
> + $(HOSTCC) tools/mkv310_image.c -o tools/$(MKBIN_V310_MMC_SPL_BIN)
> +
> +$(mmcobj)u-boot-spl.bin: $(mmcobj)u-boot-spl
> + $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
> +
> +$(mmcobj)u-boot-spl: $(OBJS) $(mmcobj)u-boot.lds
> + cd $(LNDIR) && $(LD) $(LDFLAGS) $(__OBJS) \
> + -Map $(mmcobj)u-boot-spl.map \
> + -o $(mmcobj)u-boot-spl
> +
> +$(mmcobj)u-boot.lds: $(LDSCRIPT)
> + $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
> +
> +# create symbolic links for common files
> +
> +# from cpu directory
> +$(obj)start.S:
> + @rm -f $@
> + @ln -s $(TOPDIR)/arch/arm/cpu/armv7/start.S $@
> +
> +# from board directory
> +$(obj)mem_setup.S:
> + @rm -f $@
> + @ln -s $(TOPDIR)/board/samsung/smdkv310/mem_setup.S $@
> +
> +$(obj)lowlevel_init.S:
> + @rm -f $@
> + @ln -s $(TOPDIR)/board/samsung/smdkv310/lowlevel_init.S $@
> +
> +#########################################################################
> +
> +$(obj)%.o: $(obj)%.S
> + $(CC) $(AFLAGS) -c -o $@ $<
> +
> +$(obj)%.o: $(obj)%.c
> + $(CC) $(CFLAGS) -c -o $@ $<
> +
> +# defines $(obj).depend target
> +include $(SRCTREE)/rules.mk
> +
> +sinclude $(obj).depend
> +
> +#########################################################################
> diff --git a/spl/board/samsung/smdkv310/mmc_boot.c b/spl/board/samsung/smdkv310/mmc_boot.c
> new file mode 100644
> index 0000000..ebb70cf
> --- /dev/null
> +++ b/spl/board/samsung/smdkv310/mmc_boot.c
> @@ -0,0 +1,82 @@
> +/*
> + * Copyright (C) 2011 Samsung Electronics
> + *
> + * 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<config.h>
> +
> +typedef u32(*copy_sd_mmc_to_mem) \
> + (u32 start_block, u32 block_count, u32 *dest_addr);
> +
> +
> +void copy_uboot_to_ram(void)
> +{
> + copy_sd_mmc_to_mem copy_bl2 = (copy_sd_mmc_to_mem)(0x00002488);
> + copy_bl2(65, BL2_SIZE_BLOC_COUNT, (u32 *)CONFIG_SYS_PHY_UBOOT_BASE);
CONFIG_SYS_PHY_UBOOT_BASE -> CONFIG_SYS_TEXT_BASE?
> +}
> +
> +void board_init_f(unsigned long bootflag)
> +{
> + __attribute__((noreturn)) void (*uboot)(void);
> + copy_uboot_to_ram();
> +
> + /*
> + * Jump to U-Boot image
> + */
please fix this comment
> + uboot = (void *)CONFIG_SYS_MMC_UBOOT_START;
> + (*uboot)();
> + /* Never returns Here */
> +}
> +
> +#endif
> diff --git a/spl/board/samsung/smdkv310/tools/mkv310_image.c b/spl/board/samsung/smdkv310/tools/mkv310_image.c
> new file mode 100644
> index 0000000..f28583c
> --- /dev/null
> +++ b/spl/board/samsung/smdkv310/tools/mkv310_image.c
Need comment or document for this file.
So that people know what is purpose of this file.
Thanks
Minkyu Kang
--
from. prom.
www.promsoft.net
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