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.
18 default CONFIG_ROM_PAYLOAD_START = (0xffffffff - ROM_SIZE + ROM_SECTION_OFFSET + 1)
19 default PAYLOAD_SIZE = ( ROM_SECTION_SIZE - ROM_IMAGE_SIZE )
22 ## Compute where this copy of coreboot will start in the boot rom
24 default _ROMBASE = ( CONFIG_ROM_PAYLOAD_START + PAYLOAD_SIZE )
27 ## Compute a range of ROM that can cached to speed up coreboot,
30 ## XIP_ROM_SIZE must be a power of 2.
31 ## XIP_ROM_BASE must be a multiple of XIP_ROM_SIZE
33 default XIP_ROM_SIZE=65536
34 default XIP_ROM_BASE = ( _ROMBASE + ROM_IMAGE_SIZE - XIP_ROM_SIZE )
38 ## Set all of the defaults for an x86 architecture
44 ## Build the objects we have code for in this directory.
54 #compile cache_as_ram.c to auto.inc
55 makerule ./cache_as_ram_auto.inc
56 depends "$(MAINBOARD)/cache_as_ram_auto.c option_table.h"
57 action "$(CC) $(DISTRO_CFLAGS) -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/cache_as_ram_auto.c -Os -nostdinc -nostdlib -fno-builtin -Wall -c -S -o $@"
58 action "perl -e 's/.rodata/.rom.data/g' -pi $@"
59 action "perl -e 's/.text/.section .rom.text/g' -pi $@"
65 ## Build our 16 bit and 32 bit coreboot entry code
67 mainboardinit cpu/x86/16bit/entry16.inc
68 mainboardinit cpu/x86/32bit/entry32.inc
69 ldscript /cpu/x86/16bit/entry16.lds
70 ldscript /cpu/x86/32bit/entry32.lds
73 ## Build our reset vector (This is where coreboot is entered)
76 mainboardinit cpu/x86/16bit/reset16.inc
77 ldscript /cpu/x86/16bit/reset16.lds
79 mainboardinit cpu/x86/32bit/reset32.inc
80 ldscript /cpu/x86/32bit/reset32.lds
83 ### Should this be in the northbridge code?
84 #not in serengeti_cheetah mainboardinit arch/i386/lib/cpu_reset.inc
87 ## Include an id string (For safe flashing)
89 mainboardinit arch/i386/lib/id.inc
90 ldscript /arch/i386/lib/id.lds
93 ### This is the early phase of coreboot startup
94 ### Things are delicate and we test to see if we should
95 ### failover to another image.
98 ldscript /arch/i386/lib/failover.lds
99 # mainboardinit ./failover.inc
103 ### O.k. We aren't just an intermediary anymore!
109 mainboardinit cpu/x86/fpu/enable_fpu.inc
112 mainboardinit cpu/amd/model_lx/cache_as_ram.inc
113 mainboardinit ./cache_as_ram_auto.inc
117 ## Include the secondary Configuration files
122 chip northbridge/amd/lx
123 device pci_domain 0 on
124 device pci 1.0 on end # Northbridge
125 device pci 1.1 on end # Graphics
126 chip southbridge/amd/cs5536
127 # IRQ 12 and 1 unmasked, Keyboard and Mouse IRQs. OK
128 # SIRQ Mode = Active(Quiet) mode. Save power....
129 # Invert mask = IRQ 12 and 1 are active high. Keyboard and Mouse, UARTs, etc IRQs. OK
130 register "lpc_serirq_enable" = "0x0000105a"
131 register "lpc_serirq_polarity" = "0x0000EFA5"
132 register "lpc_serirq_mode" = "1"
133 register "enable_gpio_int_route" = "0x0D0C0700"
134 register "enable_ide_nand_flash" = "0" # 0:ide mode, 1:flash
135 register "enable_USBP4_device" = "1" # 0: host, 1:device
136 register "enable_USBP4_overcurrent" = "0" #0:off, xxxx:overcurrent setting CS5536 Data Book (pages 380-381)
137 register "com1_enable" = "0"
138 register "com1_address" = "0x3F8"
139 register "com1_irq" = "4"
140 register "com2_enable" = "0"
141 register "com2_address" = "0x2F8"
142 register "com2_irq" = "3"
143 register "unwanted_vpci[0]" = "0" # End of list has a zero
144 device pci d.0 on end # Ethernet
145 device pci e.0 on end # Slot1
146 device pci f.0 on # ISA Bridge
147 chip superio/winbond/w83627hf
148 device pnp 2e.0 off # Floppy
153 device pnp 2e.1 off # Parallel port
157 device pnp 2e.2 on # Com1
161 device pnp 2e.3 off end # Com2
162 device pnp 2e.5 on # Keyboard
168 device pnp 2e.6 off end # CIR
169 device pnp 2e.7 off end # GAME_MIDI_GIPO1
170 device pnp 2e.8 off end # GPIO2
171 device pnp 2e.9 off end # GPIO3
172 device pnp 2e.a off end # ACPI
173 device pnp 2e.b off end # HW Monitor
176 device pci f.2 on end # IDE Controller
177 device pci f.3 on end # Audio
178 device pci f.4 on end # OHCI
179 device pci f.5 on end # EHCI
182 # APIC cluster is late CPU init.
183 device apic_cluster 0 on
184 chip cpu/amd/model_lx