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-rw-r--r--arch/s390/Kconfig70
1 files changed, 64 insertions, 6 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 3cbb8757704e..32425af9d68d 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -34,12 +34,6 @@ config GENERIC_BUG
config GENERIC_BUG_RELATIVE_POINTERS
def_bool y
-config NO_IOMEM
- def_bool y
-
-config NO_DMA
- def_bool y
-
config ARCH_DMA_ADDR_T_64BIT
def_bool 64BIT
@@ -58,6 +52,12 @@ config KEXEC
config AUDIT_ARCH
def_bool y
+config NO_IOPORT
+ def_bool y
+
+config PCI_QUIRKS
+ def_bool n
+
config S390
def_bool y
select USE_GENERIC_SMP_HELPERS if SMP
@@ -171,6 +171,10 @@ config HAVE_MARCH_Z196_FEATURES
def_bool n
select HAVE_MARCH_Z10_FEATURES
+config HAVE_MARCH_ZEC12_FEATURES
+ def_bool n
+ select HAVE_MARCH_Z196_FEATURES
+
choice
prompt "Processor type"
default MARCH_G5
@@ -222,6 +226,13 @@ config MARCH_Z196
(2818 and 2817 series). The kernel will be slightly faster but will
not work on older machines.
+config MARCH_ZEC12
+ bool "IBM zEC12"
+ select HAVE_MARCH_ZEC12_FEATURES if 64BIT
+ help
+ Select this to enable optimizations for IBM zEC12 (2827 series). The
+ kernel will be slightly faster but will not work on older machines.
+
endchoice
config 64BIT
@@ -426,6 +437,53 @@ config QDIO
If unsure, say Y.
+menuconfig PCI
+ bool "PCI support"
+ default n
+ depends on 64BIT
+ select ARCH_SUPPORTS_MSI
+ select PCI_MSI
+ help
+ Enable PCI support.
+
+if PCI
+
+config PCI_NR_FUNCTIONS
+ int "Maximum number of PCI functions (1-4096)"
+ range 1 4096
+ default "64"
+ help
+ This allows you to specify the maximum number of PCI functions which
+ this kernel will support.
+
+source "drivers/pci/Kconfig"
+source "drivers/pci/pcie/Kconfig"
+source "drivers/pci/hotplug/Kconfig"
+
+endif # PCI
+
+config PCI_DOMAINS
+ def_bool PCI
+
+config HAS_IOMEM
+ def_bool PCI
+
+config IOMMU_HELPER
+ def_bool PCI
+
+config HAS_DMA
+ def_bool PCI
+ select HAVE_DMA_API_DEBUG
+
+config NEED_SG_DMA_LENGTH
+ def_bool PCI
+
+config HAVE_DMA_ATTRS
+ def_bool PCI
+
+config NEED_DMA_MAP_STATE
+ def_bool PCI
+
config CHSC_SCH
def_tristate m
prompt "Support for CHSC subchannels"