summaryrefslogtreecommitdiffstats
path: root/src/mainboard/apple/macbookair4_2/cmos.layout
blob: df95bf88e11fa18c50d7c6cfe3d43dd8e6484411 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
##
##
## SPDX-License-Identifier: GPL-2.0-only

# -----------------------------------------------------------------
entries
# -----------------------------------------------------------------
# Status Register A
# -----------------------------------------------------------------
# Status Register B
# -----------------------------------------------------------------
# Status Register C
#96           4       r       0        status_c_rsvd
#100          1       r       0        uf_flag
#101          1       r       0        af_flag
#102          1       r       0        pf_flag
#103          1       r       0        irqf_flag
# -----------------------------------------------------------------
# Status Register D
#104          7       r       0        status_d_rsvd
#111          1       r       0        valid_cmos_ram
# -----------------------------------------------------------------
# Diagnostic Status Register
#112          8       r       0        diag_rsvd1
# -----------------------------------------------------------------
0            120     r       0        reserved_memory
#120          264     r       0        unused
# -----------------------------------------------------------------
# RTC_BOOT_BYTE (coreboot hardcoded)
384          1       e       4        boot_option
388          4       h       0        reboot_counter
#390          2       r       0        unused?
# -----------------------------------------------------------------
# coreboot config options: console
#392          3       r       0        unused
395          4       e       6        debug_level
#399          1       r       0        unused
#400         8       r       0        reserved for century byte
# coreboot config options: southbridge
408          1       e       1        nmi
409          2       e       7        power_on_after_fail
# coreboot config options: cpu
#424          8       r       0        unused
# coreboot config options: northbridge
#432          5       e       11       gfx_uma_size
#437        3        r       0        unused
#440          8       h       0        volume
# SandyBridge MRC Scrambler Seed values
896          32      r       0        mrc_scrambler_seed
928          32      r       0        mrc_scrambler_seed_s3
960          16      r       0        mrc_scrambler_seed_chk
# coreboot config options: check sums
984          16      h       0        check_sum
# -----------------------------------------------------------------
enumerations
#ID value   text
1     0     Disable
1     1     Enable
2     0     Enable
2     1     Disable
4     0     Fallback
4     1     Normal
6     0     Emergency
6     1     Alert
6     2     Critical
6     3     Error
6     4     Warning
6     5     Notice
6     6     Info
6     7     Debug
6     8     Spew
7     0     Disable
7     1     Enable
7     2     Keep
# -----------------------------------------------------------------
checksums
checksum 392 447 984