[LinuxBIOS] CONFIG_LB_MEM_TOPK

Ward Vandewege ward at gnu.org
Fri Apr 7 22:07:00 CEST 2006


On Fri, Apr 07, 2006 at 12:49:10PM -0700, Lu, Yinghai wrote:
> Can you send your cache_as_ram_auto.c and Config.lb in
> src/mainboard/tyan/s2881?

Sure, they are attached.

Thanks,
Ward.

-- 
Ward Vandewege <ward at fsf.org>
Free Software Foundation - Senior System Administrator
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##
## Compute the location and size of where this firmware image
## (linuxBIOS plus bootloader) will live in the boot rom chip.
##
if USE_FALLBACK_IMAGE
	default ROM_SECTION_SIZE   = FALLBACK_SIZE
	default ROM_SECTION_OFFSET = ( ROM_SIZE - FALLBACK_SIZE )
else
	default ROM_SECTION_SIZE   = ( ROM_SIZE - FALLBACK_SIZE )
	default ROM_SECTION_OFFSET = 0
end

##
## Compute the start location and size size of
## The linuxBIOS bootloader.
##
default PAYLOAD_SIZE            = ( ROM_SECTION_SIZE - ROM_IMAGE_SIZE )
default CONFIG_ROM_STREAM_START = (0xffffffff - ROM_SIZE + ROM_SECTION_OFFSET + 1)

##
## Compute where this copy of linuxBIOS will start in the boot rom
##
default _ROMBASE      = ( CONFIG_ROM_STREAM_START + PAYLOAD_SIZE )

##
## Compute a range of ROM that can cached to speed up linuxBIOS,
## execution speed.
##
## XIP_ROM_SIZE must be a power of 2.
## XIP_ROM_BASE must be a multiple of XIP_ROM_SIZE
##
default XIP_ROM_SIZE=65536
default XIP_ROM_BASE = ( _ROMBASE + ROM_IMAGE_SIZE - XIP_ROM_SIZE )

arch i386 end 

##
## Build the objects we have code for in this directory.
##

driver mainboard.o

#dir /drivers/si/3114
object get_bus_conf.o
if HAVE_MP_TABLE object mptable.o end
if HAVE_PIRQ_TABLE object irq_tables.o end
if USE_DCACHE_RAM

if CONFIG_USE_INIT

makerule ./auto.o
        depends "$(MAINBOARD)/cache_as_ram_auto.c option_table.h"
        action "$(CC) -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/cache_as_ram_auto.c -Os -nostdinc -nostdlib -fno-builtin -Wall -c -o auto.o" 
end

else    
                
makerule ./auto.inc
        depends "$(MAINBOARD)/cache_as_ram_auto.c option_table.h"
        action "$(CC) -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/cache_as_ram_auto.c -Os -nostdinc -nostdlib -fno-builtin -Wall -c -S -o $@"         
        action "perl -e 's/.rodata/.rom.data/g' -pi $@"
        action "perl -e 's/.text/.section .rom.text/g' -pi $@"
end

end
else


##
## Romcc output
##
makerule ./failover.E
        depends "$(MAINBOARD)/failover.c ./romcc"
        action "./romcc -E -O --label-prefix=failover -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/failover.c -o $@"
end

makerule ./failover.inc
        depends "$(MAINBOARD)/failover.c ./romcc"
        action "./romcc    -O --label-prefix=failover -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/failover.c -o $@"
end

makerule ./auto.E
        depends "$(MAINBOARD)/auto.c option_table.h ./romcc"
        action  "./romcc -E -mcpu=k8 -O2 -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@"
end
makerule ./auto.inc
        depends "$(MAINBOARD)/auto.c option_table.h ./romcc"
        action  "./romcc    -mcpu=k8 -O2 -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@"
end

end
##
## Build our 16 bit and 32 bit linuxBIOS entry code
##
if USE_FALLBACK_IMAGE
        mainboardinit cpu/x86/16bit/entry16.inc
        ldscript /cpu/x86/16bit/entry16.lds
end

mainboardinit cpu/x86/32bit/entry32.inc

if USE_DCACHE_RAM
        if CONFIG_USE_INIT
                ldscript /cpu/x86/32bit/entry32.lds
        end

        if CONFIG_USE_INIT
                ldscript      /cpu/amd/car/cache_as_ram.lds
        end
end

##
## Build our reset vector (This is where linuxBIOS is entered)
##
if USE_FALLBACK_IMAGE 
	mainboardinit cpu/x86/16bit/reset16.inc 
	ldscript /cpu/x86/16bit/reset16.lds 
else
	mainboardinit cpu/x86/32bit/reset32.inc 
	ldscript /cpu/x86/32bit/reset32.lds 
end

if USE_DCACHE_RAM
else
### Should this be in the northbridge code?
mainboardinit arch/i386/lib/cpu_reset.inc
end

##
## Include an id string (For safe flashing)
##
mainboardinit arch/i386/lib/id.inc
ldscript /arch/i386/lib/id.lds

if USE_DCACHE_RAM
##
## Setup Cache-As-Ram
##
mainboardinit cpu/amd/car/cache_as_ram.inc
end

###
### This is the early phase of linuxBIOS startup 
### Things are delicate and we test to see if we should
### failover to another image.
###
if USE_FALLBACK_IMAGE
if USE_DCACHE_RAM
       ldscript /arch/i386/lib/failover.lds
else
       ldscript /arch/i386/lib/failover.lds
        mainboardinit ./failover.inc
end
end

###
### O.k. We aren't just an intermediary anymore!
###

##
## Setup RAM
##
if USE_DCACHE_RAM

if CONFIG_USE_INIT
initobject auto.o
else
mainboardinit ./auto.inc
end

else

##
## Setup RAM
##
mainboardinit cpu/x86/fpu/enable_fpu.inc
mainboardinit cpu/x86/mmx/enable_mmx.inc
mainboardinit cpu/x86/sse/enable_sse.inc
mainboardinit ./auto.inc
mainboardinit cpu/x86/sse/disable_sse.inc
mainboardinit cpu/x86/mmx/disable_mmx.inc

end

##
## Include the secondary Configuration files 
##
if CONFIG_CHIP_NAME
	config chip.h
end

# sample config for tyan/s2881
chip northbridge/amd/amdk8/root_complex
        device apic_cluster 0 on
                chip cpu/amd/socket_940
                        device apic 0 on end
                end
        end
	device pci_domain 0 on
		chip northbridge/amd/amdk8
			device pci 18.0 on end # LDT0
			device pci 18.0 on end # LDT1
			device pci 18.0 on #  northbridge 
				#  devices on link 2, link 2 == LDT 2
				chip southbridge/amd/amd8131
					# the on/off keyword is mandatory
					device pci 0.0 on 
                                                chip drivers/pci/onboard
                                                        device pci 9.0 on end # Broadcom 5704
                                                        device pci 9.1 on end
                                                end
                                                chip drivers/pci/onboard
                                                        device pci a.0 on end # Adaptic
                                                        device pci a.1 on end
                                                end
					end
					device pci 0.1 on end
					device pci 1.0 on end
					device pci 1.1 on end
				end
				chip southbridge/amd/amd8111
					# this "device pci 0.0" is the parent the next one
					# PCI bridge
					device pci 0.0 on
						device pci 0.0 on end
						device pci 0.1 on end
						device pci 0.2 off end
						device pci 1.0 off end
                                                chip drivers/pci/onboard
                                                        device pci 5.0 on end # SiI
                                                end
                                                chip drivers/pci/onboard
                                                        device pci 6.0 on end
							register "rom_address" = "0xfff80000"
                                                end
					end
					device pci 1.0 on
						chip superio/winbond/w83627hf
							device pnp 2e.0 on #  Floppy
                	                 			io 0x60 = 0x3f0
                	                			irq 0x70 = 6
                	                			drq 0x74 = 2
							end
                	        			device pnp 2e.1 off #  Parallel Port
                	                 			io 0x60 = 0x378
                	                			irq 0x70 = 7
							end
                	        			device pnp 2e.2 on #  Com1
                	                 			io 0x60 = 0x3f8
                	                			irq 0x70 = 4
							end
                	        			device pnp 2e.3 off #  Com2
                	                 			io 0x60 = 0x2f8
                	                			irq 0x70 = 3
							end
                	        			device pnp 2e.5 on #  Keyboard
                	                 			io 0x60 = 0x60
                	                 			io 0x62 = 0x64
                	                			irq 0x70 = 1
								irq 0x72 = 12
							end
                	                                device pnp 2e.6 off #  CIR
                	                                        io 0x60 = 0x100
                	                                end
                	                                device pnp 2e.7 off #  GAME_MIDI_GIPO1
                	                                        io 0x60 = 0x220
                	                                        io 0x62 = 0x300
                	                                        irq 0x70 = 9
                	                                end  
                	                                device pnp 2e.8 off end #  GPIO2
                	                                device pnp 2e.9 off end #  GPIO3
                	                                device pnp 2e.a off end #  ACPI
                	                                device pnp 2e.b on #  HW Monitor
                	                                        io 0x60 = 0x290
                	                                        irq 0x70 = 5
                	                                end
						end
					end
					device pci 1.1 on end
					device pci 1.2 on end
                                        device pci 1.3 on 
                                                chip drivers/generic/generic #dimm 0-0-0
                                                        device i2c 50 on end
                                                end
                                                chip drivers/generic/generic #dimm 0-0-1
                                                        device i2c 51 on end
                                                end     
                                                chip drivers/generic/generic #dimm 0-1-0
                                                        device i2c 52 on end
                                                end
                                                chip drivers/generic/generic #dimm 0-1-1
                                                        device i2c 53 on end
                                                end
                                                chip drivers/generic/generic #dimm 1-0-0
                                                        device i2c 54 on end
                                                end
                                                chip drivers/generic/generic #dimm 1-0-1
                                                        device i2c 55 on end
                                                end
                                                chip drivers/generic/generic #dimm 1-1-0
                                                        device i2c 56 on end
                                                end
                                                chip drivers/generic/generic #dimm 1-1-1
                                                        device i2c 57 on end
                                                end
                                                chip drivers/i2c/adm1027 # ADT7463A CPU0/1 temp, CPU1 vid, SYS FAN 1/2/3
                                                        device i2c 2d on end
                                                end
                                                chip drivers/generic/generic # Winbond HWM 0x54 CPU0/1 VRM temp, SYSFAN 4,CPU0 vid, CPU0/1 FAN
                                                        device i2c 2a on end
                                                end
                                                chip drivers/generic/generic # Winbond HWM 0x92
                                                        device i2c 49 on end
                                                end
                                                chip drivers/generic/generic # Winbond HWM 0x94
                                                        device i2c 4a on end
                                                end
                                        end # acpi
					device pci 1.5 off end
					device pci 1.6 off end
                                        register "ide0_enable" = "1"
                                        register "ide1_enable" = "1"
				end
			end #  device pci 18.0 
			
			device pci 18.1 on end
			device pci 18.2 on end
			device pci 18.3 on end
		end
	end 
end



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