2 ## Compute the location and size of where this firmware image
3 ## (linuxBIOS plus bootloader) will live in the boot rom chip.
6 default ROM_SECTION_SIZE = FALLBACK_SIZE
7 default ROM_SECTION_OFFSET = ( ROM_SIZE - FALLBACK_SIZE )
9 default ROM_SECTION_SIZE = ( ROM_SIZE - FALLBACK_SIZE )
10 default ROM_SECTION_OFFSET = 0
14 ## Compute the start location and size size of
15 ## The linuxBIOS bootloader.
17 default CONFIG_ROM_STREAM_START = (0xffffffff - ROM_SIZE + ROM_SECTION_OFFSET + 1)
18 default PAYLOAD_SIZE = ( ROM_SECTION_SIZE - ROM_IMAGE_SIZE )
21 ## Compute where this copy of linuxBIOS will start in the boot rom
23 default _ROMBASE = ( CONFIG_ROM_STREAM_START + PAYLOAD_SIZE )
26 ## Compute a range of ROM that can cached to speed up linuxBIOS,
29 ## XIP_ROM_SIZE must be a power of 2.
30 ## XIP_ROM_BASE must be a multiple of XIP_ROM_SIZE
32 default XIP_ROM_SIZE=65536
33 default XIP_ROM_BASE = ( _ROMBASE + ROM_IMAGE_SIZE - XIP_ROM_SIZE )
36 ## Set all of the defaults for an x86 architecture
42 ## Build the objects we have code for in this directory.
47 if HAVE_PIRQ_TABLE object irq_tables.o end
54 depends "$(MAINBOARD)/failover.c ./romcc"
55 action "./romcc -E -O --label-prefix=failover -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/failover.c -o $@"
58 makerule ./failover.inc
59 depends "$(MAINBOARD)/failover.c ./romcc"
60 action "./romcc -O --label-prefix=failover -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/failover.c -o $@"
64 depends "$(MAINBOARD)/auto.c option_table.h ./romcc"
65 action "./romcc -E -mcpu=i386 -O -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@"
68 depends "$(MAINBOARD)/auto.c option_table.h ./romcc"
69 action "./romcc -mcpu=i386 -O -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@"
73 ## Build our 16 bit and 32 bit linuxBIOS entry code
75 mainboardinit cpu/x86/16bit/entry16.inc
76 mainboardinit cpu/x86/32bit/entry32.inc
77 ldscript /cpu/x86/16bit/entry16.lds
78 ldscript /cpu/x86/32bit/entry32.lds
81 ## Build our reset vector (This is where linuxBIOS is entered)
84 mainboardinit cpu/x86/16bit/reset16.inc
85 ldscript /cpu/x86/16bit/reset16.lds
87 mainboardinit cpu/x86/32bit/reset32.inc
88 ldscript /cpu/x86/32bit/reset32.lds
91 ### Should this be in the northbridge code?
92 mainboardinit arch/i386/lib/cpu_reset.inc
95 ## Include an id string (For safe flashing)
97 mainboardinit arch/i386/lib/id.inc
98 ldscript /arch/i386/lib/id.lds
101 ### This is the early phase of linuxBIOS startup
102 ### Things are delicate and we test to see if we should
103 ### failover to another image.
105 if USE_FALLBACK_IMAGE
106 ldscript /arch/i386/lib/failover.lds
107 mainboardinit ./failover.inc
111 ### O.k. We aren't just an intermediary anymore!
117 mainboardinit cpu/x86/fpu/enable_fpu.inc
118 mainboardinit cpu/amd/model_gx1/cpu_setup.inc
119 mainboardinit cpu/amd/model_gx1/gx_setup.inc
120 mainboardinit ./auto.inc
123 ## Include the secondary Configuration files
128 chip northbridge/amd/gx2
129 device pci_domain 0 on
130 device pci 0.0 on end
131 chip southbridge/amd/cs5535
133 device pci 12.1 off end # SMI
134 device pci 12.2 on end # IDE
135 device pci 12.3 off end # Audio
136 device pci 12.4 off end # VGA
141 chip cpu/amd/model_gx2