[U-Boot] [PATCH] [ARM] Apollon UBI support v3

[Kyungmin Park <kmpark@infradead.org>]

Now you can use the UBI at apollon board

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
diff --git a/board/apollon/Makefile b/board/apollon/Makefile
index 9bac9a6..4c3e57f 100644
--- a/board/apollon/Makefile
+++ b/board/apollon/Makefile
@@ -25,9 +25,11 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	:= apollon.o mem.o sys_info.o
+COBJS-y	:= apollon.o mem.o sys_info.o
+COBJS-$(CONFIG_CMD_UBI) += ubi.o
 SOBJS	:= lowlevel_init.o
 
+COBJS	:= $(COBJS-y)
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
 SOBJS	:= $(addprefix $(obj),$(SOBJS))
diff --git a/board/apollon/ubi.c b/board/apollon/ubi.c
new file mode 100644
index 0000000..10dd6e7
--- /dev/null
+++ b/board/apollon/ubi.c
@@ -0,0 +1,48 @@
+/*
+ * board/apollon/ubi.c
+ *
+ *  Copyright (C) 2008 Samsung Electronics
+ *  Kyungmin Park <kyungmin.park@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <common.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <jffs2/load_kernel.h>
+#include <ubi_uboot.h>
+
+int ubi_board_scan(void)
+{
+	struct mtd_device *dev;
+	struct part_info *part;
+	struct mtd_partition mtd_part;
+	char buffer[32];
+	u8 pnum;
+	int err;
+
+	if (mtdparts_init() != 0)
+		return 1;
+
+	if (find_dev_and_part("onenand0,4", &dev, &pnum, &part) != 0)
+		return 1;
+
+	sprintf(buffer, "mtd=%d", pnum);
+	mtd_part.name = buffer;
+	mtd_part.size = part->size;
+	mtd_part.offset = part->offset;
+	add_mtd_partitions(&onenand_mtd, &mtd_part, 1);
+
+	err = ubi_mtd_param_parse(buffer, NULL);
+	if (err)
+		return err;
+
+	err = ubi_init();
+	if (err)
+		return err;
+
+	return 0;
+}
diff --git a/include/configs/apollon.h b/include/configs/apollon.h
index d71ed44..c694989 100644
--- a/include/configs/apollon.h
+++ b/include/configs/apollon.h
@@ -53,6 +53,9 @@
 #define CONFIG_SYS_USE_NOR		1
 #endif
 
+/* uncommnet if you want to use UBI */
+#define CONFIG_SYS_USE_UBI
+
 #include <asm/arch/omap2420.h>	/* get chip and board defs */
 
 #define	V_SCLK	12000000
@@ -73,8 +76,9 @@
  * Size of malloc() pool
  */
 #define	CONFIG_ENV_SIZE SZ_128K	/* Total Size of Environment Sector */
-#define	CONFIG_SYS_MALLOC_LEN	(CONFIG_ENV_SIZE + SZ_128K)
-#define	CONFIG_SYS_GBL_DATA_SIZE	128	/* bytes reserved for initial data */
+#define	CONFIG_SYS_MALLOC_LEN	(CONFIG_ENV_SIZE + SZ_1M)
+/* bytes reserved for initial data */
+#define	CONFIG_SYS_GBL_DATA_SIZE	128
 
 /*
  * Hardware drivers
@@ -116,6 +120,12 @@
 #define	CONFIG_CMD_DIAG
 #define	CONFIG_CMD_ONENAND
 
+#ifdef CONFIG_SYS_USE_UBI
+#define	CONFIG_CMD_JFFS2
+#define	CONFIG_CMD_UBI
+#define	CONFIG_RBTREE
+#endif
+
 #undef	CONFIG_CMD_AUTOSCRIPT
 
 #ifndef	CONFIG_SYS_USE_NOR
@@ -133,24 +143,39 @@
 #define	CONFIG_BOOTFILE	"uImage"
 #define	CONFIG_ETHADDR	00:0E:99:00:24:20
 
-#ifdef	CONFIG_APOLLON_PLUS
-# define	CONFIG_BOOTARGS "root=/dev/nfs rw mem=64M console=ttyS0,115200n8 ip=192.168.116.25:192.168.116.1:192.168.116.1:255.255.255.0:apollon:eth0:off nfsroot=/tftpboot/nfsroot profile=2"
+#ifdef CONFIG_APOLLON_PLUS
+#define CONFIG_SYS_MEM	"mem=64M"
+#else
+#define CONFIG_SYS_MEM	"mem=128"
+#endif
+
+#ifdef CONFIG_SYS_USE_UBI
+#define CONFIG_SYS_UBI "ubi.mtd=4"
 #else
-# define	CONFIG_BOOTARGS "root=/dev/nfs rw mem=128M console=ttyS0,115200n8 ip=192.168.116.25:192.168.116.1:192.168.116.1:255.255.255.0:apollon:eth0:off nfsroot=/tftpboot/nfsroot profile=2"
+#define CONFIG_SYS_UBI ""
 #endif
 
+#define CONFIG_BOOTARGS "root=/dev/nfs rw " CONFIG_SYS_MEM \
+	" console=ttyS0,115200n8" \
+	" ip=192.168.116.25:192.168.116.1:192.168.116.1:255.255.255.0:" \
+	"apollon:eth0:off nfsroot=/tftpboot/nfsroot profile=2 " \
+	CONFIG_SYS_UBI
+
 #define	CONFIG_EXTRA_ENV_SETTINGS					\
 	"Image=tftp 0x80008000 Image; go 0x80008000\0"			\
 	"zImage=tftp 0x80180000 zImage; go 0x80180000\0"		\
 	"uImage=tftp 0x80180000 uImage; bootm 0x80180000\0"		\
 	"uboot=tftp 0x80008000 u-boot.bin; go 0x80008000\0"		\
-	"xloader=tftp 0x80180000 x-load.bin; cp.w 0x80180000 0x00000400 0x1000; go 0x00000400\0"	\
+	"xloader=tftp 0x80180000 x-load.bin; "				\
+	" cp.w 0x80180000 0x00000400 0x1000; go 0x00000400\0"		\
 	"syncmode50=mw.w 0x1e442 0xc0c4; mw 0x6800a060 0xe30d1201\0"	\
 	"syncmode=mw.w 0x1e442 0xe0f4; mw 0x6800a060 0xe30d1201\0"	\
 	"norboot=cp32 0x18040000 0x80008000 0x200000; go 0x80008000\0"	\
-	"oneboot=onenand read 0x80008000 0x40000 0x200000; go 0x80008000\0"\
+	"oneboot=onenand read 0x80008000 0x40000 0x200000; go 0x80008000\0" \
 	"onesyncboot=run syncmode oneboot\0"				\
-	"updateb=tftp 0x80180000 u-boot-onenand.bin; onenand erase 0x0 0x20000; onenand write 0x80180000 0x0 0x20000\0"					\
+	"updateb=tftp 0x80180000 u-boot-onenand.bin; "			\
+	" onenand erase 0x0 0x20000; onenand write 0x80180000 0x0 0x20000\0" \
+	"ubi=setenv bootargs ${bootargs} ubi.mtd=4 ${mtdparts}; run uImage\0" \
 	"bootcmd=run uboot\0"
 
 /*
@@ -164,14 +189,15 @@
 /* Print Buffer Size */
 #define	CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16)
 #define	CONFIG_SYS_MAXARGS	16	/* max number of command args */
-#define	CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE	/* Boot Argument Buffer Size */
-
-#define	CONFIG_SYS_MEMTEST_START	(OMAP2420_SDRC_CS0)	/* memtest works on */
+/* Boot Argument Buffer Size */
+#define	CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE
+/* memtest works on */
+#define	CONFIG_SYS_MEMTEST_START	(OMAP2420_SDRC_CS0)
 #define	CONFIG_SYS_MEMTEST_END		(OMAP2420_SDRC_CS0+SZ_31M)
 
 #undef	CONFIG_SYS_CLKS_IN_HZ	/* everything, incl board info, in Hz */
-
-#define	CONFIG_SYS_LOAD_ADDR	(OMAP2420_SDRC_CS0)	/* default load address */
+/* default load address */
+#define	CONFIG_SYS_LOAD_ADDR	(OMAP2420_SDRC_CS0)
 
 /* The 2420 has 12 GP timers, they can be driven by the SysClk (12/13/19.2)
  * or by 32KHz clk, or from external sig. This rate is divided by a local
@@ -211,13 +237,15 @@
 # define	CONFIG_SYS_MAX_FLASH_BANKS	1
 # define	CONFIG_SYS_MAX_FLASH_SECT	1024
 /*-----------------------------------------------------------------------
-
  * CFI FLASH driver setup
  */
-# define	CONFIG_SYS_FLASH_CFI	1	/* Flash memory is CFI compliant */
+/* Flash memory is CFI compliant */
+# define	CONFIG_SYS_FLASH_CFI	1
 # define	CONFIG_FLASH_CFI_DRIVER	1	/* Use drivers/cfi_flash.c */
-/* #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1 */ /* Use buffered writes (~10x faster) */
-# define	CONFIG_SYS_FLASH_PROTECTION	1	/* Use h/w sector protection*/
+/* Use buffered writes (~10x faster) */
+/* #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1 */
+/* Use h/w sector protection*/
+# define	CONFIG_SYS_FLASH_PROTECTION	1
 
 #else	/* !CONFIG_SYS_USE_NOR */
 # define	CONFIG_SYS_NO_FLASH	1
@@ -228,4 +256,15 @@
 #define	CONFIG_ENV_IS_IN_ONENAND	1
 #define CONFIG_ENV_ADDR		0x00020000
 
+#ifdef CONFIG_SYS_USE_UBI
+#define CONFIG_JFFS2_CMDLINE
+#define MTDIDS_DEFAULT		"onenand0=onenand"
+#define MTDPARTS_DEFAULT	"mtdparts=onenand:128k(bootloader),"	\
+					"128k(params),"			\
+					"2m(kernel),"			\
+					"16m(rootfs),"			\
+					"32m(fs),"			\
+					"-(ubifs)"
+#endif
+
 #endif /* __CONFIG_H */