2 ## This file is part of the coreboot project.
4 ## Copyright (C) 2008 LiPPERT Embedded Computers GmbH
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
21 ## Based on Config.lb from AMD's DB800 and DBM690T mainboards.
24 ## Compute the location and size of where this firmware image
25 ## (coreboot plus bootloader) will live in the boot rom chip.
28 default ROM_SECTION_SIZE = FALLBACK_SIZE
29 default ROM_SECTION_OFFSET = (ROM_SIZE - FALLBACK_SIZE)
31 default ROM_SECTION_SIZE = (ROM_SIZE - FALLBACK_SIZE)
32 default ROM_SECTION_OFFSET = 0
36 ## Compute the start location and size size of
37 ## The coreboot bootloader.
40 default CONFIG_ROM_PAYLOAD_START = (0xffffffff - ROM_SIZE + ROM_SECTION_OFFSET + 1)
41 default PAYLOAD_SIZE = (ROM_SECTION_SIZE - ROM_IMAGE_SIZE)
44 ## Compute where this copy of coreboot will start in the boot rom
46 default _ROMBASE = (CONFIG_ROM_PAYLOAD_START + PAYLOAD_SIZE)
49 ## Compute a range of ROM that can cached to speed up coreboot,
52 ## XIP_ROM_SIZE must be a power of 2.
53 ## XIP_ROM_BASE must be a multiple of XIP_ROM_SIZE
55 default XIP_ROM_SIZE = 64 * 1024
56 default XIP_ROM_BASE = (_ROMBASE + ROM_IMAGE_SIZE - XIP_ROM_SIZE)
60 ## Set all of the defaults for an x86 architecture
66 ## Build the objects we have code for in this directory.
75 # compile cache_as_ram.c to auto.inc
76 makerule ./cache_as_ram_auto.inc
77 depends "$(MAINBOARD)/cache_as_ram_auto.c"
78 action "$(CC) $(DISTRO_CFLAGS) $(CFLAGS) $(CPPFLAGS) $(DEBUG_CFLAGS) -I$(TOP)/src -I. -nostdinc -nostdlib -fno-builtin -Wall -Os -c -S $(MAINBOARD)/cache_as_ram_auto.c -o $@"
79 action "perl -e 's/.rodata/.rom.data/g' -pi $@"
80 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 #not in serengeti_cheetah 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
130 mainboardinit cpu/amd/model_lx/cache_as_ram.inc
131 mainboardinit ./cache_as_ram_auto.inc
134 ## Include the secondary configuration files
139 # Bit1 switches Com1 to RS485, bit2 same for Com2, bit5 turns off Live LED.
140 register "sio_gp1x_config" = "0x20"
142 chip northbridge/amd/lx
143 device pci_domain 0 on
144 device pci 1.0 on end # Northbridge
145 device pci 1.1 on end # Graphics
146 device pci 1.2 on end # AES
147 chip southbridge/amd/cs5536 # Southbridge
148 # IRQ 12 and 1 unmasked, keyboard and mouse IRQs. OK
149 # SIRQ Mode = Active(Quiet) mode. Save power...
150 # Invert mask = IRQ 12 and 1 are active high. Keyboard and mouse,
151 # UARTs, etc IRQs. OK
152 register "lpc_serirq_enable" = "0x000012DA" # 00010010 11011010
153 register "lpc_serirq_polarity" = "0x0000ED25" # inverse of above
154 register "lpc_serirq_mode" = "1"
155 register "enable_gpio_int_route" = "0x0D0C0700"
156 register "enable_ide_nand_flash" = "0" # 0:ide mode, 1:flash
157 register "enable_USBP4_device" = "0" # 0: host, 1:device
158 register "enable_USBP4_overcurrent" = "0" #0:off, xxxx:overcurrent setting CS5536 Data Book (pages 380-381)
159 register "com1_enable" = "0"
160 register "com1_address" = "0x3E8"
161 register "com1_irq" = "6"
162 register "com2_enable" = "0"
163 register "com2_address" = "0x2E8"
164 register "com2_irq" = "6"
165 register "unwanted_vpci[0]" = "0" # End of list has a zero
166 device pci 8.0 on end # Slot4
167 device pci 9.0 on end # Slot3
168 device pci a.0 on end # Slot2
169 device pci b.0 on end # Slot1
170 device pci c.0 on end # IT8888
171 device pci e.0 on end # Ethernet
172 device pci f.0 on # ISA bridge
173 chip superio/ite/it8712f
174 device pnp 2e.0 off # Floppy
179 device pnp 2e.1 on # Com1
183 device pnp 2e.2 on # Com2
187 device pnp 2e.3 on # Parallel port
191 device pnp 2e.4 on # EC
196 device pnp 2e.5 on # PS/2 keyboard
201 device pnp 2e.6 on # PS/2 mouse
204 device pnp 2e.7 on # GPIO
208 device pnp 2e.8 off # MIDI
212 device pnp 2e.9 off # Game port
215 device pnp 2e.a off end # CIR
218 device pci f.2 on end # IDE controller
219 device pci f.3 on end # Audio
220 device pci f.4 on end # OHCI
221 device pci f.5 on end # EHCI
224 # APIC cluster is late CPU init.
225 device apic_cluster 0 on
226 chip cpu/amd/model_lx