2 ## This file is part of the coreboot project.
4 ## Copyright (C) 2006-2007 Ronald G. Minnich <rminnich@gmail.com>
6 ## This program is free software; you can redistribute it and/or modify
7 ## it under the terms of the GNU General Public License as published by
8 ## the Free Software Foundation; either version 2 of the License, or
9 ## (at your option) any later version.
11 ## This program is distributed in the hope that it will be useful,
12 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 ## GNU General Public License for more details.
16 ## You should have received a copy of the GNU General Public License
17 ## along with this program; if not, write to the Free Software
18 ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 ## Compute the location and size of where this firmware image
23 ## (coreboot plus bootloader) will live in the boot rom chip.
26 default ROM_SECTION_SIZE = FALLBACK_SIZE
27 default ROM_SECTION_OFFSET = ( ROM_SIZE - FALLBACK_SIZE )
29 default ROM_SECTION_SIZE = ( ROM_SIZE - FALLBACK_SIZE )
30 default ROM_SECTION_OFFSET = 0
34 ## Compute the start location and size size of
35 ## The coreboot bootloader.
37 default CONFIG_ROM_PAYLOAD_START = (0xffffffff - ROM_SIZE + ROM_SECTION_OFFSET + 1)
38 default PAYLOAD_SIZE = ( ROM_SECTION_SIZE - ROM_IMAGE_SIZE )
41 ## Compute where this copy of coreboot will start in the boot rom
43 default _ROMBASE = ( CONFIG_ROM_PAYLOAD_START + PAYLOAD_SIZE )
46 ## Compute a range of ROM that can cached to speed up coreboot,
49 ## XIP_ROM_SIZE must be a power of 2.
50 ## XIP_ROM_BASE must be a multiple of XIP_ROM_SIZE
52 default XIP_ROM_SIZE=65536
53 default XIP_ROM_BASE = ( _ROMBASE + ROM_IMAGE_SIZE - XIP_ROM_SIZE )
56 ## Set all of the defaults for an x86 architecture
62 ## Build the objects we have code for in this directory.
72 #compile cache_as_ram.c to auto.inc
73 makerule ./cache_as_ram_auto.inc
74 depends "$(MAINBOARD)/cache_as_ram_auto.c option_table.h"
75 action "$(CC) $(DISTRO_CFLAGS) -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/cache_as_ram_auto.c -Os -nostdinc -nostdlib -fno-builtin -Wall -c -S -o $@"
76 action "perl -e 's/.rodata/.rom.data/g' -pi $@"
77 action "perl -e 's/.text/.section .rom.text/g' -pi $@"
84 ## Build our 16 bit and 32 bit coreboot entry code
86 mainboardinit cpu/x86/16bit/entry16.inc
87 mainboardinit cpu/x86/32bit/entry32.inc
88 ldscript /cpu/x86/16bit/entry16.lds
89 ldscript /cpu/x86/32bit/entry32.lds
92 ## Build our reset vector (This is where coreboot is entered)
95 mainboardinit cpu/x86/16bit/reset16.inc
96 ldscript /cpu/x86/16bit/reset16.lds
98 mainboardinit cpu/x86/32bit/reset32.inc
99 ldscript /cpu/x86/32bit/reset32.lds
102 ### Should this be in the northbridge code?
103 mainboardinit arch/i386/lib/cpu_reset.inc
106 ## Include an id string (For safe flashing)
108 mainboardinit arch/i386/lib/id.inc
109 ldscript /arch/i386/lib/id.lds
112 ### This is the early phase of coreboot startup
113 ### Things are delicate and we test to see if we should
114 ### failover to another image.
116 if USE_FALLBACK_IMAGE
117 ldscript /arch/i386/lib/failover.lds
118 # mainboardinit ./failover.inc
122 ### O.k. We aren't just an intermediary anymore!
128 mainboardinit cpu/x86/fpu/enable_fpu.inc
131 mainboardinit cpu/amd/model_lx/cache_as_ram.inc
132 mainboardinit ./cache_as_ram_auto.inc
136 ## Include the secondary Configuration files
141 chip northbridge/amd/lx
142 device pci_domain 0 on
143 device pci 1.0 on end
144 device pci 1.1 on end
145 chip southbridge/amd/cs5536
146 # IRQ 12 and 1 unmasked, Keyboard and Mouse IRQs. OK
147 # SIRQ Mode = Active(Quiet) mode. Save power....
148 # Invert mask = IRQ 12 and 1 are active high. Keyboard and Mouse IRQs. OK
149 # How to get these? Boot linux and do this:
151 register "lpc_serirq_enable" = "0x000010da"
152 # rdmsr 0x5140004e -- polairy is high 16 bits of low 32 bits
153 register "lpc_serirq_polarity" = "0x0000EF25"
154 # mode is high 10 bits (determined from code)
155 register "lpc_serirq_mode" = "1"
156 # Don't yet know how to find this.
157 register "enable_gpio_int_route" = "0x0D0C0700"
158 register "enable_ide_nand_flash" = "0" # 0:ide mode, 1:flash
159 register "enable_USBP4_device" = "0" #0: host, 1:device
160 register "enable_USBP4_overcurrent" = "0" #0:off, xxxx:overcurrent setting CS5536 Data Book (pages 380-381)
161 register "com1_enable" = "0"
162 register "com1_address" = "0x3F8"
163 register "com1_irq" = "4"
164 register "com2_enable" = "0"
165 register "com2_address" = "0x2F8"
166 register "com2_irq" = "3"
167 register "unwanted_vpci[0]" = "0" # End of list has a zero
168 device pci f.0 on # ISA Bridge
169 chip superio/winbond/w83627hf
170 device pnp 2e.0 off # Floppy
175 device pnp 2e.1 on # Parallel Port
179 device pnp 2e.2 on # Com1
183 device pnp 2e.3 on # Com2
187 device pnp 2e.5 on # Keyboard
193 device pnp 2e.6 off # CIR
196 device pnp 2e.7 off # GAME_MIDI_GIPO1
201 device pnp 2e.8 on end # GPIO2
202 device pnp 2e.9 on end # GPIO3
203 device pnp 2e.a on end # ACPI
204 device pnp 2e.b on # HW Monitor
210 device pci f.1 on end # Flash controller
211 device pci f.2 on end # IDE controller
212 device pci f.3 on end # Audio
213 device pci f.4 on end # OHCI
214 device pci f.5 on end # EHCI
218 # APIC cluster is late CPU init.
219 device apic_cluster 0 on
220 chip cpu/amd/model_lx