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alpha: correct system descriptions in Kconfig help text

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Fix the system lists in the "Alpha system type" choice and the platform
help texts, cross-checked against the alphalinux.org wiki and the
kernel sources:

 - There is no AlphaServer GS40 or DS10E. Wildfire also shipped with
   EV68 (21264C) CPUs.
 - "AS" means AlphaServer elsewhere in the list, but the Alcor "AS 600,
   AS 500" are AlphaStations, as is the Noritake "AlphaServer 600A".
 - Takara is 21164-based, not "11164".
 - Linux 6.10 dropped support for CPUs before EV56, which took the
   AlphaStation 600 and Alpha XL 300 with it. Say once that EV56 or
   later is required rather than qualifying every entry.
 - Add systems missing from their entries: the UP1500 (Nautilus), DS15
   and TS202c (Titan), Digital Server 3300 (Noritake), Digital Server
   5300 and 7300 (Rawhide), and the Ruffian boards in place of
   "Samsung APC164UX".
 - Add Eiger, Nautilus and RX164 to the summary list and help text to
   PC164, RX164, SX164 and Shark, which had none. Note that the Ruffian
   and RX164 boards have no SRM console.

Also drop the Jensen and EV4/EV5 references removed in 6.10, and the
claim that SRM cannot boot from IDE, which is not true of SRM in
general. NR_CPUS can be set to 32 on any platform, so say what the
hardware supports instead of implying a per-platform kernel limit.

Signed-off-by: Matt Turner <mattst88@gmail.com>
Tested-by: Magnus Lindholm <linmag7@gmail.com>
Reviewed-by: Magnus Lindholm <linmag7@gmail.com>
Link: https://lore.kernel.org/r/20261001165018.415526-2-mattst88@gmail.com
Signed-off-by: Magnus Lindholm <linmag7@gmail.com>
This commit is contained in:
Matt Turner 2026-10-01 12:50:16 -04:00 committed by Magnus Lindholm
parent 2ba84bf28f
commit bcd2e0a28d
1 changed files with 55 additions and 30 deletions
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85
arch/alpha/Kconfig
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@ -126,28 +126,35 @@ choice
This is the system type of your hardware. A "generic" kernel will
run on any supported Alpha system. However, if you configure a
kernel for your specific system, it will be faster and smaller.
Only EV56 (21164A) and later CPUs are supported.
To find out what type of Alpha system you have, see the system and
motherboard lists at
<https://alphalinux.org/wiki/hardware:systems> and
<https://alphalinux.org/wiki/hardware:motherboards>. In summary:
Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
DP264 DP264 / DS20 / ES40 / DS10 / DS10L
Alcor/Alpha-XLT AlphaStation 500, Alpha XL 366, 433
DP264 DP264, UP2000(+), DS10, DS10L, DS20, DS20E,
ES40, XP900, XP1000
Eiger Eiger (OEM)
LX164 AlphaPC164-LX
Marvel AlphaServer ES47, ES80, GS1280
Miata Personal Workstation 433/500/600 a/au
Marvel AlphaServer ES47 / ES80 / GS1280
Mikasa AS 1000
Noritake AS 1000A, AS 600A, AS 800
Mikasa AlphaServer 1000
Nautilus UP1000, UP1100, UP1500
Noritake AlphaServer 1000A, 800, AlphaStation 600A,
Digital Server 3300
PC164 AlphaPC164
Rawhide AS 1200, AS 4000, AS 4100
Rawhide AlphaServer 1200, 4000, 4100,
Digital Server 5300, 7300
Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
RX164 AlphaPC164-RX
SX164 AlphaPC164-SX
Sable AS 2000, AS 2100
Shark DS 20L
Sable AlphaServer 2000, 2100
Shark AlphaServer DS20L, API NetWorks CS20
Takara Takara (OEM)
Titan AlphaServer ES45 / DS25 / DS15
Wildfire AlphaServer GS 40/80/160/320
Titan AlphaServer DS15, DS25, ES45, TS202c
Wildfire AlphaServer GS80, GS160, GS320
If you don't know what to do, choose "generic".
@ -168,13 +175,14 @@ config ALPHA_ALCOR
controller (256-bit memory bus) and a PCI interface. It also does
all the work required to support an external Bcache and to maintain
memory coherence when a PCI device DMAs into (or out of) memory.
It is used by the AlphaStation 500 and the Alpha XL 366 and 433.
config ALPHA_DP264
bool "DP264"
help
Various 21264 systems with the tsunami core logic chipset.
API Networks: 264DP, UP2000(+), CS20;
Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
API NetWorks: 264DP, UP2000(+);
Compaq: DS10, DS10L, XP900, XP1000, DS20, DS20E, ES40.
config ALPHA_EIGER
bool "Eiger"
@ -197,8 +205,8 @@ config ALPHA_MIATA
bool "Miata"
select HAVE_EISA
help
The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
or 600au).
The Digital Personal Workstation (PWS 433a, 433au, 500a, 500au,
600a, or 600au).
config ALPHA_MIKASA
bool "Mikasa"
@ -208,34 +216,47 @@ config ALPHA_MIKASA
config ALPHA_NAUTILUS
bool "Nautilus"
help
Alpha systems based on the AMD 751 & ALI 1543C chipsets.
UP1000, UP1100 and UP1500 systems based on the AMD 751 or 761
chipset.
config ALPHA_NORITAKE
bool "Noritake"
select HAVE_EISA
help
AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
systems.
AlphaServer 1000A, AlphaServer 800, AlphaStation 600A and
Digital Server 3300 systems.
config ALPHA_PC164
bool "PC164"
help
AlphaPC164, a 21164A-based single-board computer using the CIA
chipset.
config ALPHA_RAWHIDE
bool "Rawhide"
select HAVE_EISA
help
AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
AlphaServer 1200, 4000 and 4100 and Digital Server 5300 and 7300
machines.
config ALPHA_RUFFIAN
bool "Ruffian"
help
Samsung APC164UX.
DeskStation RPX164-2, AlphaPC164-UX and AlphaPC164-BX boards.
They have no SRM console and can only boot Linux through MILO.
config ALPHA_RX164
bool "RX164"
help
AlphaPC164-RX, a 21164PC-based single-board computer using the
Polaris chipset. It has no SRM console and can only boot Linux
through MILO.
config ALPHA_SX164
bool "SX164"
help
AlphaPC164-SX, a 21164PC-based single-board computer using the
Pyxis chipset.
config ALPHA_SABLE
bool "Sable"
@ -245,21 +266,26 @@ config ALPHA_SABLE
config ALPHA_SHARK
bool "Shark"
help
AlphaServer DS20L and API NetWorks CS20 systems based on the
Tsunami chipset.
config ALPHA_TAKARA
bool "Takara"
help
Alpha 11164-based OEM single-board computer.
Alpha 21164-based OEM single-board computer.
config ALPHA_TITAN
bool "Titan"
help
AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
AlphaServer DS15, DS25, ES45 and TS202c based on EV68 and the
Titan chipset.
config ALPHA_WILDFIRE
bool "Wildfire"
help
AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
AlphaServer GS80, GS160 and GS320 SMP based on the EV67 or EV68
core.
endchoice
@ -378,10 +404,9 @@ config ALPHA_SRM
loaded either from ARC or can be installed directly as a permanent
firmware replacement from floppy (which requires changing a certain
jumper on the motherboard). If you want to do either of these, say N
here. If MILO doesn't work on your system (true for Jensen
motherboards), you can bypass it altogether and boot Linux directly
from an SRM console; say Y here in order to do that. Note that you
won't be able to boot from an IDE disk using SRM.
here. If MILO doesn't work on your system, you can bypass it
altogether and boot Linux directly from an SRM console; say Y here
in order to do that.
If unsure, say N.
@ -414,8 +439,8 @@ config NR_CPUS
default "32" if ALPHA_GENERIC || ALPHA_MARVEL
default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
help
MARVEL support can handle a maximum of 32 CPUs, all the others
with working support have a maximum of 4 CPUs.
The kernel supports at most 32 CPUs. Only Marvel and Wildfire
systems have more than 4.
config ARCH_SPARSEMEM_ENABLE
bool "Sparse Memory Support"
@ -439,8 +464,8 @@ config ALPHA_WTINT
For emulation under QEMU, definitely say Y here, as we have other
mechanisms for measuring time than the cycle counter.
For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
MILO, sleep mode is not supported so you might as well say N here.
For EV56 systems, or for systems running MILO, sleep mode is not
supported so you might as well say N here.
For SMP systems we cannot use the cycle counter for timing anyway,
so you might as well say Y here.