[U-Boot] [PATCH v2 2/2] ARMV7: MMC SPL Boot support for SMDKV310 board
Chander Kashyap
chander.kashyap at linaro.org
Wed May 18 12:21:52 CEST 2011
Dear Minkyu Kang,
On 17 May 2011 13:56, Minkyu Kang <promsoft at gmail.com> wrote:
> 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.
Renamed to u-boot-mmc-spl.bin
> And binary is should be located in root directory, I think..
> e.g) ALL += $(obj)u-boot-mmc.bin
I think, as this in spl image in addition to u-boot image it should
be in mmc_spl directory.
>> +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.
done
>
>> + $(MAKE) -C spl/board/$(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.
Added the same.
>
>> 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.
Testing with this option
>
>> +
>> +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
fixed
>
>> + 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.
Added comments in the file.
>
> Thanks
> Minkyu Kang
> --
> from. prom.
> www.promsoft.net
>
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