[U-Boot] [PATCH 2/3] OMAP3: am3517_evm: Replace JFFS2 with UBI/UBIFS on NAND
Derald D. Woods
woods.technical at gmail.com
Fri Mar 4 05:14:15 CET 2016
Signed-off-by: Derald D. Woods <woods.technical at gmail.com>
---
configs/am3517_evm_defconfig | 2 +
include/configs/am3517_evm.h | 102 +++++++++++++++++++++++++++----------------
2 files changed, 66 insertions(+), 38 deletions(-)
diff --git a/configs/am3517_evm_defconfig b/configs/am3517_evm_defconfig
index cde84fe..c7699e0 100644
--- a/configs/am3517_evm_defconfig
+++ b/configs/am3517_evm_defconfig
@@ -4,9 +4,11 @@ CONFIG_TARGET_AM3517_EVM=y
CONFIG_SPL=y
CONFIG_FIT=y
CONFIG_SYS_PROMPT="AM3517_EVM # "
+CONFIG_SYS_EXTRA_OPTIONS="NAND"
# CONFIG_CMD_IMI is not set
# CONFIG_CMD_IMLS is not set
# CONFIG_CMD_FLASH is not set
# CONFIG_CMD_FPGA is not set
# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_GPIO=y
CONFIG_SYS_NS16550=y
diff --git a/include/configs/am3517_evm.h b/include/configs/am3517_evm.h
index 98a59c5..734b8ba 100644
--- a/include/configs/am3517_evm.h
+++ b/include/configs/am3517_evm.h
@@ -34,8 +34,8 @@
/*
* Display CPU and Board information
*/
-#define CONFIG_DISPLAY_CPUINFO 1
-#define CONFIG_DISPLAY_BOARDINFO 1
+#define CONFIG_DISPLAY_CPUINFO
+#define CONFIG_DISPLAY_BOARDINFO
/* Clock Defines */
#define V_OSCK 26000000 /* Clock output from T2 */
@@ -45,16 +45,16 @@
#define CONFIG_OF_LIBFDT
-#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
-#define CONFIG_SETUP_MEMORY_TAGS 1
-#define CONFIG_INITRD_TAG 1
-#define CONFIG_REVISION_TAG 1
+#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_INITRD_TAG
+#define CONFIG_REVISION_TAG
/*
* Size of malloc() pool
*/
#define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB sector */
-#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (128 << 10))
+#define CONFIG_SYS_MALLOC_LEN (16 << 20)
/*
* DDR related
*/
@@ -90,10 +90,10 @@
#define CONFIG_BAUDRATE 115200
#define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600,\
115200}
-#define CONFIG_MMC 1
-#define CONFIG_GENERIC_MMC 1
-#define CONFIG_OMAP_HSMMC 1
-#define CONFIG_DOS_PARTITION 1
+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_OMAP_HSMMC
+#define CONFIG_DOS_PARTITION
/*
* USB configuration
@@ -129,11 +129,15 @@
#endif /* CONFIG_USB_MUSB_AM35X */
/* commands to include */
-#define CONFIG_CMD_EXT2 /* EXT2 Support */
+#define CONFIG_CMD_CACHE
#define CONFIG_CMD_FAT /* FAT support */
-#define CONFIG_CMD_JFFS2 /* JFFS2 Support */
+#define CONFIG_CMD_EXT2 /* EXT2 Support */
#define CONFIG_CMD_EXT4
#define CONFIG_CMD_EXT4_WRITE
+#define CONFIG_CMD_FS_GENERIC
+#define CONFIG_PARTITION_UUIDS
+#define CONFIG_CMD_PART
+#define CONFIG_CMD_ASKENV
#define CONFIG_CMD_BOOTZ
@@ -141,8 +145,7 @@
#define CONFIG_CMD_MMC /* MMC support */
#define CONFIG_CMD_NAND /* NAND support */
#define CONFIG_CMD_DHCP
-#undef CONFIG_CMD_PING
-
+#define CONFIG_CMD_PING
#define CONFIG_SYS_NO_FLASH
#define CONFIG_SYS_I2C
@@ -162,9 +165,33 @@
#define CONFIG_BOOTP_SEND_HOSTNAME
#define CONFIG_NET_RETRY_COUNT 10
-/*
- * Board NAND Info.
+/* UBI and NAND partitioning */
+#define CONFIG_CMD_UBI /* UBI-formated MTD partition support */
+#define CONFIG_CMD_UBIFS /* Read-only UBI volume operations */
+#define CONFIG_RBTREE /* required by CONFIG_CMD_UBI */
+#define CONFIG_LZO /* required by CONFIG_CMD_UBIFS */
+#define CONFIG_MTD_PARTITIONS /* required for UBI partition support */
+#define CONFIG_MTD_DEVICE
+#define CONFIG_CMD_MTDPARTS
+/* NAND block size is 128 KiB. Synchronize these values with
+ * corresponding Device Tree entries in Linux:
+ * MLO(SPL) 4 * NAND_BLOCK_SIZE = 512 KiB @ 0x000000
+ * U-Boot 15 * NAND_BLOCK_SIZE = 1920 KiB @ 0x080000
+ * U-Boot environment 2 * NAND_BLOCK_SIZE = 256 KiB @ 0x260000
+ * Kernel 64 * NAND_BLOCK_SIZE = 8 MiB @ 0x2A0000
+ * DTB 4 * NAND_BLOCK_SIZE = 512 KiB @ 0xAA0000
+ * RootFS Remaining Flash Space @ 0xB20000
*/
+#define MTDIDS_DEFAULT "nand0=omap2-nand.0"
+#define MTDPARTS_DEFAULT "mtdparts=omap2-nand.0:" \
+ "512k(MLO)," \
+ "1920k(u-boot)," \
+ "256k(u-boot-env)," \
+ "8m(kernel)," \
+ "512k(dtb)," \
+ "-(rootfs)"
+
+/* Board NAND Info. */
#define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */
/* to access nand */
#define CONFIG_SYS_NAND_BASE NAND_BASE /* physical address */
@@ -173,13 +200,6 @@
#define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of */
/* NAND devices */
-#define CONFIG_JFFS2_NAND
-/* nand device jffs2 lives on */
-#define CONFIG_JFFS2_DEV "nand0"
-/* start of jffs2 partition */
-#define CONFIG_JFFS2_PART_OFFSET 0x680000
-#define CONFIG_JFFS2_PART_SIZE 0xf980000 /* sz of jffs2 part */
-
/* Environment information */
#define CONFIG_BOOTDELAY 10
@@ -194,18 +214,24 @@
"bootenv=uEnv.txt\0" \
"cmdline=\0" \
"optargs=\0" \
+ "mtdids=" MTDIDS_DEFAULT "\0" \
+ "mtdparts=" MTDPARTS_DEFAULT "\0" \
"mmcdev=0\0" \
"mmcpart=1\0" \
"mmcroot=/dev/mmcblk0p2 rw\0" \
"mmcrootfstype=ext4 rootwait fixrtc\0" \
"mmcargs=setenv bootargs console=${console} " \
+ "${mtdparts} " \
"${optargs} " \
"root=${mmcroot} " \
"rootfstype=${mmcrootfstype} " \
"${cmdline}\0" \
"nandargs=setenv bootargs console=${console} " \
- "root=/dev/mtdblock4 rw " \
- "rootfstype=jffs2\0" \
+ "${mtdparts} " \
+ "${optargs} " \
+ "root=ubi0:rootfs rw ubi.mtd=rootfs " \
+ "rootfstype=ubifs rootwait " \
+ "${cmdline}\0" \
"loadbootenv=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${bootenv}\0"\
"importbootenv=echo Importing environment from mmc ...; " \
"env import -t ${loadaddr} ${filesize}\0" \
@@ -218,8 +244,9 @@
"bootz ${loadaddr} - ${fdtaddr}\0" \
"nandboot=echo Booting from nand ...; " \
"run nandargs; " \
- "nand read ${loadaddr} 280000 400000; " \
- "bootm ${loadaddr}\0" \
+ "nand read ${loadaddr} 2a0000 800000; " \
+ "nand read ${fdtaddr} aa0000 80000; " \
+ "bootm ${loadaddr} - ${fdtaddr}\0" \
#define CONFIG_BOOTCOMMAND \
"mmc dev ${mmcdev}; if mmc rescan; then " \
@@ -240,17 +267,19 @@
"fi; " \
"else run nandboot; fi"
-#define CONFIG_AUTO_COMPLETE 1
/*
* Miscellaneous configurable options
*/
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_VERSION_VARIABLE
#define CONFIG_SYS_LONGHELP /* undef to save memory */
#define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */
#define CONFIG_SYS_CBSIZE 512 /* Console I/O Buffer Size */
/* Print Buffer Size */
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
sizeof(CONFIG_SYS_PROMPT) + 16)
-#define CONFIG_SYS_MAXARGS 32 /* max number of command */
+#define CONFIG_SYS_MAXARGS 64 /* max number of command */
/* args */
/* Boot Argument Buffer Size */
#define CONFIG_SYS_BARGSIZE (CONFIG_SYS_CBSIZE)
@@ -287,7 +316,7 @@
#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */
#define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */
-#if defined(CONFIG_CMD_NAND)
+#if defined(CONFIG_NAND)
#define CONFIG_SYS_FLASH_BASE NAND_BASE
#endif
@@ -295,7 +324,7 @@
#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
#define CONFIG_NAND_OMAP_GPMC
-#define CONFIG_ENV_IS_IN_NAND 1
+#define CONFIG_ENV_IS_IN_NAND
#define SMNAND_ENV_OFFSET 0x260000 /* environment starts here */
#define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
@@ -309,13 +338,9 @@
#define CONFIG_SYS_FLASH_ERASE_TOUT (100 * CONFIG_SYS_HZ)
#define CONFIG_SYS_FLASH_WRITE_TOUT (100 * CONFIG_SYS_HZ)
-/* Flash banks JFFS2 should use */
+/* Flash banks available */
#define CONFIG_SYS_MAX_MTD_BANKS (CONFIG_SYS_MAX_FLASH_BANKS + \
CONFIG_SYS_MAX_NAND_DEVICE)
-#define CONFIG_SYS_JFFS2_MEM_NAND
-/* use flash_info[2] */
-#define CONFIG_SYS_JFFS2_FIRST_BANK CONFIG_SYS_MAX_FLASH_BANKS
-#define CONFIG_SYS_JFFS2_NUM_BANKS 1
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
#define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800
@@ -337,7 +362,7 @@
#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */
#define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */
#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1
-#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
+#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
#define CONFIG_SPL_LIBCOMMON_SUPPORT
#define CONFIG_SPL_LIBDISK_SUPPORT
@@ -350,6 +375,7 @@
#define CONFIG_SPL_NAND_BASE
#define CONFIG_SPL_NAND_DRIVERS
#define CONFIG_SPL_NAND_ECC
+#define CONFIG_SPL_MTD_SUPPORT
#define CONFIG_SPL_POWER_SUPPORT
#define CONFIG_SPL_LDSCRIPT "$(CPUDIR)/omap-common/u-boot-spl.lds"
--
2.7.2
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