Files
system76-coreboot/src/northbridge/amd/amdfam10/Kconfig
Kyösti Mälkki 7748ee5ee1 AMD K8 fam10: Refactor Kconfig SB_HT_CHAIN_ON_BUS0
If SB_HT_CHAIN_ON_BUS0 is selected, HyperTransport chain for System Bus
is the first to scan and it will be assigned with bus number 0.

If HT_CHAIN_DISTRIBUTE is selected, each link will reserve a fixed range
of bus numbers instead of assigning consecutive numbers across all the links.

All fam10 have SB_HT_CHAIN_ON_BUS0 selected under northbridge.
Follow-up can easily drop this if we find this is dictated by architecture.

Change-Id: I8deddcb4c3fd679b6b27e2879d9dba3895c4dd6f
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/8366
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <edward.ocallaghan@koparo.com>
Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
2015-06-05 10:17:35 +02:00

171 lines
3.4 KiB
Plaintext

##
## This file is part of the coreboot project.
##
## Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering
## Copyright (C) 2007-2009 coresystems GmbH
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; version 2 of the License.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc.
##
config NORTHBRIDGE_AMD_AMDFAM10
bool
select HAVE_DEBUG_RAM_SETUP
select HAVE_DEBUG_SMBUS
select HAVE_DEBUG_CAR
select HYPERTRANSPORT_PLUGIN_SUPPORT
select MMCONF_SUPPORT
if NORTHBRIDGE_AMD_AMDFAM10
config AGP_APERTURE_SIZE
hex
default 0x4000000
config HW_MEM_HOLE_SIZEK
hex
default 0x100000
config HW_MEM_HOLE_SIZE_AUTO_INC
bool
default n
config MMCONF_BASE_ADDRESS
hex
default 0xe0000000
config MMCONF_BUS_NUMBER
int
default 256
# TODO: Reservation for heap seems excessive
config HEAP_SIZE
hex
default 0xc0000
config RAMTOP
hex
default 0x400000
config BOOTBLOCK_NORTHBRIDGE_INIT
string
default "northbridge/amd/amdfam10/bootblock.c"
config SB_HT_CHAIN_UNITID_OFFSET_ONLY
bool
default n
config SB_HT_CHAIN_ON_BUS0
def_bool y
config HT_CHAIN_DISTRIBUTE
def_bool n
config DIMM_FBDIMM
bool
default n
config DIMM_DDR2
bool
default n
config DIMM_DDR3
bool
default n
config DIMM_REGISTERED
bool
default n
if DIMM_FBDIMM
config DIMM_SUPPORT
hex
default 0x0110
endif
if DIMM_DDR2
if DIMM_REGISTERED
config DIMM_SUPPORT
hex
default 0x0104
endif
if !DIMM_REGISTERED
config DIMM_SUPPORT
hex
default 0x0004
endif
endif
if DIMM_DDR3
if DIMM_REGISTERED
config DIMM_SUPPORT
hex
default 0x0005
endif
endif
config SVI_HIGH_FREQ
bool
default n
help
Select this for boards with a Voltage Regulator able to operate
at 3.4 MHz in SVI mode. Ignored unless the AMD CPU is rev C3.
menu "HyperTransport setup"
#could be implemented for K8 (NORTHBRIDGE_AMD_AMDK8)
depends on (NORTHBRIDGE_AMD_AMDFAM10) && EXPERT
choice
prompt "HyperTransport downlink width"
default LIMIT_HT_DOWN_WIDTH_16
help
This option sets the maximum permissible HyperTransport
downlink width.
Use of this option will only limit the autodetected HT width.
It will not (and cannot) increase the width beyond the autodetected
limits.
This is primarily used to work around poorly designed or laid out HT
traces on certain motherboards.
config LIMIT_HT_DOWN_WIDTH_8
bool "8 bits"
config LIMIT_HT_DOWN_WIDTH_16
bool "16 bits"
endchoice
choice
prompt "HyperTransport uplink width"
default LIMIT_HT_UP_WIDTH_16
help
This option sets the maximum permissible HyperTransport
uplink width.
Use of this option will only limit the autodetected HT width.
It will not (and cannot) increase the width beyond the autodetected
limits.
This is primarily used to work around poorly designed or laid out HT
traces on certain motherboards.
config LIMIT_HT_UP_WIDTH_8
bool "8 bits"
config LIMIT_HT_UP_WIDTH_16
bool "16 bits"
endchoice
endmenu
endif # NORTHBRIDGE_AMD_AMDFAM10