blob: f0f4d6c337c3e5159254b7aac74af7dd695d6efa (
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
95
96
97
|
# Config file for Embedded Planet EP405PC board
# This will make a target directory of ./ep405pc
loadoptions
target ep405pc
uses ARCH
uses CPU_OPT
uses CROSS_COMPILE
uses HAVE_OPTION_TABLE
uses CONFIG_COMPRESS
uses CONFIG_CHIP_CONFIGURE
uses NO_POST
uses CONFIG_IDE_STREAM
uses CONFIG_SYS_CLK_FREQ
uses IDE_BOOT_DRIVE
uses IDE_SWAB IDE_OFFSET
uses ROM_SIZE ROM_IMAGE_SIZE
uses ROM_SECTION_SIZE
uses ROM_SECTION_OFFSET
uses _RESET
uses _ROMBASE
uses _RAMBASE
uses CACHE_RAM_BASE
uses CACHE_RAM_SIZE
uses STACK_SIZE HEAP_SIZE
uses MAINBOARD
uses MAINBOARD_PART_NUMBER
uses MAINBOARD_VENDOR
## Enable PPC405 instructions
option CPU_OPT="-Wa,-m405"
## use a cross compiler
option CROSS_COMPILE="powerpc-eabi-"
## Use chip configuration
option CONFIG_CHIP_CONFIGURE=1
## We don't use compressed image
option CONFIG_COMPRESS=0
## Turn off POST codes
option NO_POST=1
## Boot linux from IDE
option CONFIG_IDE_STREAM=1
option IDE_BOOT_DRIVE=0
option IDE_SWAB=1
option IDE_OFFSET=0
option ROM_SIZE=1048576
## LinuxBIOS C code runs at this location in RAM
option _RAMBASE=0x00100000
## For the trick of using cache as ram
## put the fake ram location at this address
option CACHE_RAM_BASE=0x00200000
option CACHE_RAM_SIZE=0x00004000
##
## Use a 64K stack
##
option STACK_SIZE=0x10000
##
## Use a 64K heap
##
option HEAP_SIZE=0x10000
## Compute the location and size of where this firmware image
## (linuxBIOS plus bootloader) will live in the boot rom chip.
##
option ROM_SECTION_SIZE=ROM_SIZE
option ROM_SECTION_OFFSET=0
##
## System clock
##
option CONFIG_SYS_CLK_FREQ=33
romimage "normal"
## Reset vector address
option _RESET=0xfffffffc
## linuxBIOS ROM start address
option _ROMBASE=0xfff00000
## ROM_IMAGE_SIZE is the amount of space to allow linuxBIOS to occupy.
option ROM_IMAGE_SIZE=49152
mainboard embeddedplanet/ep405pc
end
buildrom ./linuxbios.rom ROM_SIZE "normal"
|
