blob: 391d49a11904fedd9fec1ab41e35ab89dc9d7dbb (
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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
(cpu/mpc7xxx/start.S)
start:
b boot_cold
start_warm:
b boot_warm
boot_cold:
boot_warm:
clear bats
init l2 (if enabled)
init altivec (if enabled)
invalidate l2 (if enabled)
setup bats (from defines in config_EVB)
enable_addr_trans: (if MMU enabled)
enable MSR_IR and MSR_DR
jump to in_flash
in_flash:
enable l1 dcache
gal_low_init: (board/evb64260/sdram_init.S)
config SDRAM (CFG, TIMING, DECODE)
init scratch regs (810 + 814)
detect DIMM0 (bank 0 only)
config SDRAM_PARA0 to 256/512Mbit
bl sdram_op_mode
detect bank0 width
write scratch reg 810
config SDRAM_PARA0 with results
config SDRAM_PARA1 with results
detect DIMM1 (bank 2 only)
config SDRAM_PARA2 to 256/512Mbit
detect bank2 width
write scratch reg 814
config SDRAM_PARA2 with results
config SDRAM_PARA3 with results
setup device bus timings/width
setup boot device timings/width
setup CPU_CONF (0x0)
setup cpu master control register 0x160
setup PCI0 TIMEOUT
setup PCI1 TIMEOUT
setup PCI0 BAR
setup PCI1 BAR
setup MPP control 0-3
setup GPP level control
setup Serial ports multiplex
setup stack pointer (r1)
setup GOT
call cpu_init_f
debug leds
board_init_f: (common/board.c)
board_early_init_f:
remap gt regs?
map PCI mem/io
map device space
clear out interupts
init_timebase
env_init
serial_init
console_init_f
display_options
initdram: (board/evb64260/evb64260.c)
detect memory
for each bank:
dram_size()
setup PCI slave memory mappings
setup SCS
setup monitor
alloc board info struct
init bd struct
relocate_code: (cpu/mpc7xxx/start.S)
copy,got,clearbss
board_init_r(bd, dest_addr) (common/board.c)
setup bd function pointers
trap_init
flash_init: (board/evb64260/flash.c)
setup bd flash info
cpu_init_r: (cpu/mpc7xxx/cpu_init.c)
nothing
mem_malloc_init
malloc_bin_reloc
spi_init (r or f)??? (CFG_ENV_IS_IN_EEPROM)
env_relocated
misc_init_r(bd): (board/evb64260/evb64260.c)
mpsc_init2
|
