[U-Boot] [PATCHv2 3/4] SPL: ONENAND: Support SPL to boot u-boot from OneNAND.
Enric Balletbo i Serra
eballetbo at gmail.com
Fri Feb 8 10:14:48 CET 2013
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>
---
common/spl/Makefile | 1 +
common/spl/spl.c | 5 +++++
common/spl/spl_onenand.c | 47 ++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 53 insertions(+)
create mode 100644 common/spl/spl_onenand.c
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..293c7e1 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_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..a839557
--- /dev/null
+++ b/common/spl/spl_onenand.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2013
+ * ISEE 2007 SL - Enric Balletbo i Serra <eballetbo at iseebcn.com>
+ *
+ * Based on common/spl/spl_nand.c
+ * 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;
+
+ 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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