2 ## Compute the location and size of where this firmware image
3 ## (coreboot 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 coreboot bootloader.
17 default CONFIG_ROM_PAYLOAD_START = (0xffffffff - ROM_SIZE + ROM_SECTION_OFFSET + 1)
18 default PAYLOAD_SIZE = ( ROM_SECTION_SIZE - ROM_IMAGE_SIZE )
21 ## Compute where this copy of coreboot will start in the boot rom
23 default _ROMBASE = ( CONFIG_ROM_PAYLOAD_START + PAYLOAD_SIZE )
26 ## Compute a range of ROM that can cached to speed up coreboot,
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.
52 #compile cache_as_ram.c to auto.inc
53 makerule ./cache_as_ram_auto.inc
54 depends "$(MAINBOARD)/cache_as_ram_auto.c option_table.h"
55 action "$(CC) $(DISTRO_CFLAGS) -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/cache_as_ram_auto.c -Os -nostdinc -nostdlib -fno-builtin -Wall -c -S -o $@"
56 action "perl -e 's/.rodata/.rom.data/g' -pi $@"
57 action "perl -e 's/.text/.section .rom.text/g' -pi $@"
64 ## Build our 16 bit and 32 bit coreboot entry code
66 mainboardinit cpu/x86/16bit/entry16.inc
67 mainboardinit cpu/x86/32bit/entry32.inc
68 ldscript /cpu/x86/16bit/entry16.lds
69 ldscript /cpu/x86/32bit/entry32.lds
72 ## Build our reset vector (This is where coreboot is entered)
75 mainboardinit cpu/x86/16bit/reset16.inc
76 ldscript /cpu/x86/16bit/reset16.lds
78 mainboardinit cpu/x86/32bit/reset32.inc
79 ldscript /cpu/x86/32bit/reset32.lds
82 ### Should this be in the northbridge code?
83 mainboardinit arch/i386/lib/cpu_reset.inc
86 ## Include an id string (For safe flashing)
88 mainboardinit arch/i386/lib/id.inc
89 ldscript /arch/i386/lib/id.lds
92 ### This is the early phase of coreboot startup
93 ### Things are delicate and we test to see if we should
94 ### failover to another image.
97 ldscript /arch/i386/lib/failover.lds
98 # mainboardinit ./failover.inc
102 ### O.k. We aren't just an intermediary anymore!
108 mainboardinit cpu/x86/fpu/enable_fpu.inc
111 mainboardinit cpu/amd/model_lx/cache_as_ram.inc
112 mainboardinit ./cache_as_ram_auto.inc
116 ## Include the secondary Configuration files
121 chip northbridge/amd/lx
122 device pci_domain 0 on
123 device pci 1.0 on end
124 device pci 1.1 on end
125 chip southbridge/amd/cs5536
126 # IRQ 12 and 1 unmasked, Keyboard and Mouse IRQs. OK
127 # SIRQ Mode = Active(Quiet) mode. Save power....
128 # Invert mask = IRQ 12 and 1 are active high. Keyboard and Mouse IRQs. OK
129 # How to get these? Boot linux and do this:
131 register "lpc_serirq_enable" = "0x0000105a"
132 # rdmsr 0x5140004e -- polairy is high 16 bits of low 32 bits
133 register "lpc_serirq_polarity" = "0x0000EFA5"
134 # mode is high 10 bits (determined from code)
135 register "lpc_serirq_mode" = "1"
136 # Don't yet know how to find this.
137 register "enable_gpio_int_route" = "0x0D0C0700"
138 register "enable_ide_nand_flash" = "0" # 0:ide mode, 1:flash
139 register "enable_USBP4_device" = "0" #0: host, 1:device
140 register "enable_USBP4_overcurrent" = "0" #0:off, xxxx:overcurrent setting CS5536 Data Book (pages 380-381)
141 register "com1_enable" = "0"
142 register "com1_address" = "0x3F8"
143 register "com1_irq" = "4"
144 register "com2_enable" = "0"
145 register "com2_address" = "0x2F8"
146 register "com2_irq" = "3"
147 register "unwanted_vpci[0]" = "0" # End of list has a zero
148 device pci f.0 on # ISA Bridge
149 chip superio/winbond/w83627hf
150 device pnp 2e.0 off # Floppy
155 device pnp 2e.1 off # Parallel Port
159 device pnp 2e.2 on # Com1
163 device pnp 2e.3 on # Com2
167 device pnp 2e.5 on # Keyboard
173 device pnp 2e.6 off # CIR
176 device pnp 2e.7 off # GAME_MIDI_GIPO1
181 device pnp 2e.8 off end # GPIO2
182 device pnp 2e.9 off end # GPIO3
183 device pnp 2e.a off end # ACPI
184 device pnp 2e.b on # HW Monitor
190 device pci f.1 on end # Flash controller
191 device pci f.2 on end # IDE controller
192 device pci f.3 on end # Audio
193 device pci f.4 on end # OHCI
194 device pci f.5 on end # EHCI
198 # APIC cluster is late CPU init.
199 device apic_cluster 0 on
200 chip cpu/amd/model_lx