Neo 1973 Partitions
From Openmoko
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| − | The internal [[NAND Flash|flash memory]] is divided into partitions of several uses. The exact partition sizes are stored in the [[ | + | The internal [[NAND Flash|flash memory]] is divided into partitions of several uses. The exact partition sizes are stored in the [[U-Boot]] environment variable "mtdblocks", and depend on [[bad blocks]] of each device. [[Flashing the Neo 1973]] updates partition contents. |
{| class="wikitable sortable" style="margin: 0em " cellspacing="0" cellpadding="3" border="1" | {| class="wikitable sortable" style="margin: 0em " cellspacing="0" cellpadding="3" border="1" | ||
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! Name !! DFU# !! Linux mtd# !! Size !! Purpose | ! Name !! DFU# !! Linux mtd# !! Size !! Purpose | ||
|- | |- | ||
| − | | u-boot || 1 || 0 || 256 kB || [[ | + | | u-boot || 1 || 0 || 256 kB || [[U-Boot]] binary |
|- | |- | ||
| − | | u-boot_env || 2 || 1 || 16 kB || Checksummed | + | | u-boot_env || 2 || 1 || 16 kB || Checksummed U-Boot config |
|- | |- | ||
| kernel || 3 || 2 || 2 MB || [[Kernel]] uImage binary | | kernel || 3 || 2 || 2 MB || [[Kernel]] uImage binary | ||
|- | |- | ||
| − | | splash || 4 || 3 || 640 kB || [[Splash_screen#U-boot_Splash| | + | | splash || 4 || 3 || 640 kB || [[Splash_screen#U-boot_Splash|U-Boot splash screen]] |
|- | |- | ||
| rootfs || 5 || 4 || rest of the 64 MB (256MB on GTA02) || JFFS2-formatted [[userspace root image|file system]] | | rootfs || 5 || 4 || rest of the 64 MB (256MB on GTA02) || JFFS2-formatted [[userspace root image|file system]] | ||
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== In U-Boot == | == In U-Boot == | ||
| − | :''See also [[ | + | :''See also [[U-Boot]].'' |
<pre> | <pre> | ||
Latest revision as of 10:58, 10 February 2012
The internal flash memory is divided into partitions of several uses. The exact partition sizes are stored in the U-Boot environment variable "mtdblocks", and depend on bad blocks of each device. Flashing the Neo 1973 updates partition contents.
| Name | DFU# | Linux mtd# | Size | Purpose |
|---|---|---|---|---|
| u-boot | 1 | 0 | 256 kB | U-Boot binary |
| u-boot_env | 2 | 1 | 16 kB | Checksummed U-Boot config |
| kernel | 3 | 2 | 2 MB | Kernel uImage binary |
| splash | 4 | 3 | 640 kB | U-Boot splash screen |
| rootfs | 5 | 4 | rest of the 64 MB (256MB on GTA02) | JFFS2-formatted file system |
[edit] Via DFU
memento:~# dfu-util -l dfu-util - (C) 2007 by Openmoko Inc. This program is Free Software and has ABSOLUTELY NO WARRANTY Found DFU: [0x1457:0x5119] devnum=9, cfg=0, intf=0, alt=0, name="RAM 0x32000000" Found DFU: [0x1457:0x5119] devnum=9, cfg=0, intf=0, alt=1, name="u-boot" Found DFU: [0x1457:0x5119] devnum=9, cfg=0, intf=0, alt=2, name="u-boot_env" Found DFU: [0x1457:0x5119] devnum=9, cfg=0, intf=0, alt=3, name="kernel" Found DFU: [0x1457:0x5119] devnum=9, cfg=0, intf=0, alt=4, name="splash" Found DFU: [0x1457:0x5119] devnum=9, cfg=0, intf=0, alt=5, name="rootfs"
[edit] In U-Boot
- See also U-Boot.
GTA01Bv4 # printenv mtdparts mtdparts=mtdparts=neo1973-nand:0x00040000(u-boot),0x00004000(u-boot_env),0x00200000(kernel),0x000a0000(splash),0x03d1c000(rootfs)
[edit] In Linux
root@fic-gta01:~$ cat /proc/mtd dev: size erasesize name mtd0: 00040000 00004000 "u-boot" mtd1: 00004000 00004000 "u-boot_env" mtd2: 00200000 00004000 "kernel" mtd3: 000a0000 00004000 "splash" mtd4: 03d1c000 00004000 "rootfs"
See also GTA02 partitions
