[U-Boot] [PATCHv2 5/6] omap3evm: Add (quick) configuration for NAND only

[Sanjeev Premi]

Add an optimized board configuration that only
supports boot from NAND.

Signed-off-by: Sanjeev Premi <premi at ti.com>
Cc: Sandeep Paulraj <s-paulraj at ti.com>
---

 Changes in v2:
  * Update bootcmd to use hardware ecc scheme.
  * Reduce the number of bytes read for loading linux kernel.
 
 boards.cfg                             |    1 +
 include/configs/omap3_evm_quick_nand.h |   79 ++++++++++++++++++++++++++++++++
 2 files changed, 80 insertions(+), 0 deletions(-)
 create mode 100644 include/configs/omap3_evm_quick_nand.h

diff --git a/boards.cfg b/boards.cfg
index 56bea2d..c849545 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -183,6 +183,7 @@ omap3_zoom2                  arm         armv7       zoom2               logicpd
 omap3_beagle                 arm         armv7       beagle              ti             omap3
 omap3_evm                    arm         armv7       evm                 ti             omap3
 omap3_evm_quick_mmc          arm         armv7       evm                 ti             omap3
+omap3_evm_quick_nand         arm         armv7       evm                 ti             omap3
 omap3_sdp3430                arm         armv7       sdp3430             ti             omap3
 devkit8000                   arm         armv7       devkit8000          timll          omap3
 omap4_panda                  arm         armv7       panda               ti             omap4
diff --git a/include/configs/omap3_evm_quick_nand.h b/include/configs/omap3_evm_quick_nand.h
new file mode 100644
index 0000000..2d18314
--- /dev/null
+++ b/include/configs/omap3_evm_quick_nand.h
@@ -0,0 +1,79 @@
+/*
+ * Configuration settings for quick boot from NAND on OMAP3 EVM.
+ *
+ * Copyright (C) 2006-2010 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Author :
+ *     Sanjeev Premi <premi at ti.com>
+ *
+ * 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 "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __OMAP3_EVM_QUICK_NAND_H
+#define __OMAP3_EVM_QUICK_NAND_H
+
+#include <asm/arch/cpu.h>
+#include <asm/arch/omap3.h>
+
+/* ----------------------------------------------------------------------------
+ * Supported U-boot commands
+ * ----------------------------------------------------------------------------
+ */
+#define CONFIG_CMD_NAND
+
+/*
+ * Board revision is detected by probing the Ethernet chip.
+ *
+ * When revision is statically configured via CONFIG_STATIC_BOARD_REV,
+ * this option can be removed. Generated binary is leaner by ~16Kbytes.
+ */
+#define CONFIG_CMD_NET
+
+/* ----------------------------------------------------------------------------
+ * Supported U-boot features
+ * ----------------------------------------------------------------------------
+ */
+#define CONFIG_SILENT_CONSOLE
+#define CONFIG_ENV_IS_NOWHERE
+
+/* -----------------------------------------------------------------------------
+ * Include common board configuration
+ * -----------------------------------------------------------------------------
+ */
+#include "omap3_evm_common.h"
+
+/* -----------------------------------------------------------------------------
+ * Default environment
+ * -----------------------------------------------------------------------------
+ */
+#define CONFIG_BOOTDELAY	0
+
+#define CONFIG_EXTRA_ENV_SETTINGS	\
+	"verify=no\0"			\
+	"silent=1"
+
+#define CONFIG_BOOTCOMMAND				\
+	"nandecc hw; "	\
+	"nand read.i 0x80000000 280000 300000; "	\
+	"bootm 0x80000000;"
+
+/*
+ * Update the bootargs as necessary e.g. size of memory, partition and fstype
+ */
+#define CONFIG_BOOTARGS				\
+	"quiet "			\
+	"console=ttyO0,115200n8 "	\
+	"mem=128M "			\
+	"noinitrd "			\
+	"root=/dev/mtdblock4 rw "	\
+	"rootfstype=jffs2 "
+
+#endif /* __OMAP3_EVM_QUICK_NAND_H */
-- 
1.7.0.4