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authorJay Estabrook <jay.estabrook@hp.com>2007-06-01 03:47:03 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-06-01 11:18:29 -0400
commit025a22151c41890e5d30a1d4fb84c547b84d7671 (patch)
tree9effd8ca9ceed994a03d252d4a1d28fa07ae93a1 /arch/alpha/Kconfig
parent8778beb981b7e5df3472b05475e4c7905dad1f3d (diff)
ALPHA: support graphics on non-zero PCI domains
This code replaces earlier and incomplete handling of graphics on non-zero PCI domains (aka hoses or peer PCI buses). An option (CONFIG_VGA_HOSE) is set TRUE if configuring a GENERIC kernel, or a kernel for MARVEL, TITAN, or TSUNAMI machines, as these are the machines whose SRM consoles are capable of configuring and handling graphics options on non-zero hoses. All other machines have the option set FALSE. A routine, "find_console_vga_hose()", is used to find the graphics device which the machine's firmware believes is the console device, and it sets a global (pci_vga_hose) for later use in managing access to the device. This is called in "init_arch" on TITAN and TSUNAMI machines; MARVEL machines use a custom version of this routine because of extra complexity. A routine, "locate_and_init_vga()", is used to find the graphics device and set a global (pci_vga_hose) for later use in managing access to the device, in the case where "find_console_vga_hose" has failed. Various adjustments are made to the ioremap and ioportmap routines for detecting and translating "legacy" VGA register and memory references to the real PCI domain. [akpm@linux-foundation.org: don't statically init bss] [akpm@linux-foundation.org: build fix] Signed-off-by: Jay Estabrook <jay.estabrook@hp.com> Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Richard Henderson <rth@twiddle.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/alpha/Kconfig')
-rw-r--r--arch/alpha/Kconfig16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 770f717bd250..905e86408aaa 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -481,6 +481,15 @@ config ALPHA_BROKEN_IRQ_MASK
481 depends on ALPHA_GENERIC || ALPHA_PC164 481 depends on ALPHA_GENERIC || ALPHA_PC164
482 default y 482 default y
483 483
484config VGA_HOSE
485 bool
486 depends on ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI
487 default y
488 help
489 Support VGA on an arbitrary hose; needed for several platforms
490 which always have multiple hoses, and whose consoles support it.
491
492
484config ALPHA_SRM 493config ALPHA_SRM
485 bool "Use SRM as bootloader" if ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_NAUTILUS || ALPHA_NONAME 494 bool "Use SRM as bootloader" if ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_NAUTILUS || ALPHA_NONAME
486 default y if ALPHA_JENSEN || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_DP264 || ALPHA_RAWHIDE || ALPHA_EIGER || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL 495 default y if ALPHA_JENSEN || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_DP264 || ALPHA_RAWHIDE || ALPHA_EIGER || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
@@ -644,6 +653,13 @@ source "arch/alpha/oprofile/Kconfig"
644 653
645source "arch/alpha/Kconfig.debug" 654source "arch/alpha/Kconfig.debug"
646 655
656# DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
657# but we also need it if VGA_HOSE is set
658config DUMMY_CONSOLE
659 bool
660 depends on VGA_HOSE
661 default y
662
647source "security/Kconfig" 663source "security/Kconfig"
648 664
649source "crypto/Kconfig" 665source "crypto/Kconfig"