[U-Boot] [PATCH 2/2] SPL: ONENAND: Support SPL to boot u-boot from OneNAND.
Enric Balletbo Serra
eballetbo at gmail.com
Thu Feb 7 11:43:15 CET 2013
Hi,
2013/2/5 Enric Balletbo Serra <eballetbo at gmail.com>:
> Hi Kyungmin,
>
> Thanks for revisit the patch.
>
> 2013/2/5 Kyungmin Park <kmpark at infradead.org>:
>> Hi,
>>
>> On Tue, Feb 5, 2013 at 6:23 PM, Enric Balletbo i Serra
>> <eballetbo at gmail.com> wrote:
>>> From: Enric Balletbo i Serra <eballetbo at iseebcn.com>
>>>
>>> This patch will allow use SPL to boot an u-boot from the OneNAND.
>>>
>>> Tested with IGEPv2 board with a OneNAND from Numonyx.
>>>
>>> Signed-off-by: Enric Balletbo i Serra <eballetbo at iseebcn.com>
>>> ---
>>> arch/arm/cpu/armv7/omap3/board.c | 2 +-
>> It's not related with OneNAND SPL patch, can you split it two patches?
>
> Ok, I'll do in v2.
>
>>> common/spl/Makefile | 1 +
>>> common/spl/spl.c | 5 +++++
>>> common/spl/spl_onenand.c | 45 ++++++++++++++++++++++++++++++++++++++
>>> 4 files changed, 52 insertions(+), 1 deletion(-)
>>> create mode 100644 common/spl/spl_onenand.c
>>>
>>> diff --git a/arch/arm/cpu/armv7/omap3/board.c b/arch/arm/cpu/armv7/omap3/board.c
>>> index 89c587e..63063c8 100644
>>> --- a/arch/arm/cpu/armv7/omap3/board.c
>>> +++ b/arch/arm/cpu/armv7/omap3/board.c
>>> @@ -110,7 +110,7 @@ int board_mmc_init(bd_t *bis)
>>>
>>> void spl_board_init(void)
>>> {
>>> -#ifdef CONFIG_SPL_NAND_SUPPORT
>>> +#if defined(CONFIG_SPL_NAND_SUPPORT) || defined(CONFIG_SPL_ONENAND_SUPPORT)
>>> gpmc_init();
>>> #endif
>>> #ifdef CONFIG_SPL_I2C_SUPPORT
>>> diff --git a/common/spl/Makefile b/common/spl/Makefile
>>> index 5698a23..da2afc1 100644
>>> --- a/common/spl/Makefile
>>> +++ b/common/spl/Makefile
>>> @@ -18,6 +18,7 @@ COBJS-$(CONFIG_SPL_FRAMEWORK) += spl.o
>>> COBJS-$(CONFIG_SPL_NOR_SUPPORT) += spl_nor.o
>>> COBJS-$(CONFIG_SPL_YMODEM_SUPPORT) += spl_ymodem.o
>>> COBJS-$(CONFIG_SPL_NAND_SUPPORT) += spl_nand.o
>>> +COBJS-$(CONFIG_SPL_ONENAND_SUPPORT) += spl_onenand.o
>>> COBJS-$(CONFIG_SPL_NET_SUPPORT) += spl_net.o
>>> endif
>>>
>>> diff --git a/common/spl/spl.c b/common/spl/spl.c
>>> index ff9ba7b..c584247 100644
>>> --- a/common/spl/spl.c
>>> +++ b/common/spl/spl.c
>>> @@ -197,6 +197,11 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
>>> spl_nand_load_image();
>>> break;
>>> #endif
>>> +#ifdef CONFIG_SPL_ONENAND_SUPPORT
>>> + case BOOT_DEVICE_ONE_NAND:
>> ONE_NAND? It should be ONENAND.
>
> Well, I used ONE_NAND because this define was already defined in
>
> arch/arm/include/asm/arch-omap3/spl.h:29:#define BOOT_DEVICE_ONE_NAND 3
> arch/arm/include/asm/arch-omap5/spl.h:30:#define BOOT_DEVICE_ONE_NAND 4
> arch/arm/include/asm/arch-omap4/spl.h:30:#define BOOT_DEVICE_ONE_NAND 4
> arch/arm/include/asm/arch-mx35/spl.h:30:#define BOOT_DEVICE_ONE_NAND 4
>
> For me, also looks better use ONENAND, but then, I need to change all
> these defines. What do you prefer ? Maintain the use of ONE_NAND or
> change these defines ?
>
Before sending version 2. Any comment on this ? I can use
BOOT_DEVICE_ONE_NAND or I should change for BOOT_DEVICE_ONENAND ?
>>> + spl_onenand_load_image();
>>> + break;
>>> +#endif
>>> #ifdef CONFIG_SPL_NOR_SUPPORT
>>> case BOOT_DEVICE_NOR:
>>> spl_nor_load_image();
>>> diff --git a/common/spl/spl_onenand.c b/common/spl/spl_onenand.c
>>> new file mode 100644
>>> index 0000000..247f97b
>>> --- /dev/null
>>> +++ b/common/spl/spl_onenand.c
>>> @@ -0,0 +1,45 @@
>>> +/*
>>> + * Copyright (C) 2011
>>> + * Corscience GmbH & Co. KG - Simon Schwarz <schwarz at corscience.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 <common.h>
>>> +#include <config.h>
>>> +#include <spl.h>
>>> +#include <asm/io.h>
>>> +#include <onenand_uboot.h>
>>> +
>>> +void spl_onenand_load_image(void)
>>> +{
>>> + struct image_header *header;
>>> + int *src __attribute__((unused));
>>> + int *dst __attribute__((unused));
>> why these are needed? just remove these.
>>
>
> Right, I'll remove.
>
>> Thank you,
>> Kyungmin Park
>>> +
>>> + debug("spl: onenand\n");
>>> +
>>> + /*use CONFIG_SYS_TEXT_BASE as temporary storage area */
>>> + header = (struct image_header *)(CONFIG_SYS_TEXT_BASE);
>>> + /* Load u-boot */
>>> + onenand_spl_load_image(CONFIG_SYS_ONENAND_U_BOOT_OFFS,
>>> + CONFIG_SYS_ONENAND_PAGE_SIZE, (void *)header);
>>> + spl_parse_image_header(header);
>>> + onenand_spl_load_image(CONFIG_SYS_ONENAND_U_BOOT_OFFS,
>>> + spl_image.size, (void *)spl_image.load_addr);
>>> +}
>>> --
>>> 1.7.10.4
>>>
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>
> Thanks,
> Enric
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