From: Enric Balletbo i Serra eballetbo@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@iseebcn.com --- arch/arm/cpu/armv7/omap3/board.c | 2 +- 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: + 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@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)); + + 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); +}