Flash ROM

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Revision as of 03:03, 7 July 2006 (view source) Jkk (Talk) (add mtdblock layout) ← Older edit		Revision as of 03:11, 7 July 2006 (view source) Jkk (Talk) (information at top) Newer edit →
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		+	Currently, all Kuroboxes have a 4MB flash ROM. The flash ROM houses vital information such as the kernel for standard and emergency mode, as well as the bootcode itself. The contents are layed out in different ways depending on which Kernel you are using. The data on the flash ROM chip can be updated, deleted, or reprogrammed through the Linux console or via the [[Add Jtag Port|optional JTAG port]].
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	==Stock 2.4.x Kernel==		==Stock 2.4.x Kernel==
	{| border="1" cellpadding="3"		{| border="1" cellpadding="3"

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Revision as of 03:11, 7 July 2006

Currently, all Kuroboxes have a 4MB flash ROM. The flash ROM houses vital information such as the kernel for standard and emergency mode, as well as the bootcode itself. The contents are layed out in different ways depending on which Kernel you are using. The data on the flash ROM chip can be updated, deleted, or reprogrammed through the Linux console or via the optional JTAG port.

Stock 2.4.x Kernel

device	start	end	size	contents
/dev/fl0	0xFFF80000	0x080000	512 K	Empty
/dev/fl1	0xFFC00000	0x300000	3 MB	Linux/initrd
/dev/fl2	0xFFF00000	0x070000	448 K	bootcode.bin
/dev/fl3	0xFFF70000	0x010000	64K	HDD status (OKOKOK)

Patched 2.6.x Kernel v1

device	size	erasesize	name
mtd0:	00300000	00010000	"mtd_firmimg"
mtd1:	00070000	00010000	"mtd_bootcode"
mtd2:	00010000	00010000	"mtd_status"
mtd3:	00080000	00010000	"mtd_conf"
mtd4:	00400000	00010000	"mtd_allflash"
mtd5:	000f0000	00010000	"mtd_data"

Patched 2.6.x Kernel v2

device	size	erasesize	name
mtd0:	00400000	00010000	"mtd_allflash"
mtd1:	00300000	00010000	"mtd_firmimg"
mtd2:	00070000	00010000	"mtd_bootcode"
mtd3:	00010000	00010000	"mtd_status"
mtd4:	00080000	00010000	"mtd_conf"