VServer 1.9.2 (patch-2.6.8.1-vs1.9.2.diff)

[linux-2.6.git] / drivers / firmware / Kconfig

diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig
index f5a883e..a6504db 100644 (file)
--- a/drivers/firmware/Kconfig
+++ b/drivers/firmware/Kconfig
@@ -12,7 +12,7 @@ config EDD
        help
          Say Y or M here if you want to enable BIOS Enhanced Disk Drive
          Services real mode BIOS calls to determine which disk
-         BIOS tries boot from.  This information is then exported via driverfs.
+         BIOS tries boot from.  This information is then exported via sysfs.
 
          This option is experimental, but believed to be safe,
          and most disk controller BIOS vendors do not yet implement this feature.
@@ -34,4 +34,23 @@ config EFI_VARS
          Subsequent efibootmgr releases may be found at:
          http://linux.dell.com/efibootmgr
 
+config EFI_PCDP
+       bool "Console device selection via EFI PCDP or HCDP table"
+       depends on ACPI && EFI && IA64
+       default y if IA64
+       help
+         If your firmware supplies the PCDP table, and you want to
+         automatically use the primary console device it describes
+         as the Linux console, say Y here.
+
+         If your firmware supplies the HCDP table, and you want to
+         use the first serial port it describes as the Linux console,
+         say Y here.  If your EFI ConOut path contains only a UART
+         device, it will become the console automatically.  Otherwise,
+         you must specify the "console=ttyS0" kernel boot argument.
+
+         You must also enable the appropriate drivers (serial, VGA, etc.)
+
+         See <http://www.dig64.org/specifications/DIG64_HCDPv20_042804.pdf>
+
 endmenu