m25p80 Flash Protection Support for Linux

	A	B	C	D	E	G	H	I	J	K	L	M	N	O	P	Q	R	S	T	U	V	W	X
1	Chip		Number of Protection bits	Number of Sectors	Notes	Status Register			Protected Area
2						BP2	BP1	BP0	m25p5	m25p10	m25p20	m25p40	m25p80	m25p16	m25p32	m25p64	m25p128	m25pe20	m25pe80	m25pe16	m25px16	m25px32	m25px64
3						0	0	0	none	none	none	none	none	none	none	none	none	none	none	none	none	none	none
4	m25p	5	2	2		0	0	1	all BE	upper quarter	upper quarter	upper eighth	upper 16th	upper 32nd	upper 64th	upper 64th	upper 64th	upper 4th	upper 16th	upper 32nd	upper 32nd	upper 64th	upper 64th
5		10	2	4		0	1	0	all BE	upper half	upper half	upper quarter	upper eighth	upper 16th	upper 32nd	upper 32nd	upper 32nd	upper half	upper eighth	upper 16th	upper 16th	upper 32nd	upper 32nd
6		20	2	4		0	1	1	all BE, PP, SE	all	all	upper half	upper quarter	upper eighth	upper 16th	upper 16th	upper 16th	all	upper quarter	upper eighth	upper eighth	upper 16th	upper 16th
7		40	3	8		1	0	0				all	upper half	upper quarter	upper eighth	upper eighth	upper eighth		upper half	upper quarter	upper quarter	upper eighth	upper eighth
8		80	3	16		1	0	1					all	upper half	upper quarter	upper quarter	upper quarter		all	upper half	upper half	upper quarter	upper quarter
9		16	3	32		1	1	0						all	upper half	upper half	upper half			all	all	upper half	upper half
10		32	3	64		1	1	1						all	all	all	all					all	all
11		64	3	128				Sectors	2	4	4	8	16	32	64	128	64	4	16	32	32	64	128
12		128	3	64
13
14	m25pe	20	2	4	when in SPM2
15		80	3	16	when in SPM2
16		16	3	32	when in SPM2
17
18	m25px	16	4	32	when top/bottom bit = 0
19		32	4	64	when top/bottom bit = 0
20		64	4	128	when top/bottom bit = 0
21
22	m45pe	10	none	2	no sw protect
23		80	none	16	no sw protect
24		16	none	32	no sw protect
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