powerpc/4xx: Adding PCIe MSI support

This patch adds MSI support for 440SPe, 460Ex, 460Sx and 405Ex.

Signed-off-by: Rupjyoti Sarmah <rsarmah@apm.com>
Signed-off-by: Tirumala R Marri <tmarri@apm.com>
Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/arch/powerpc/sysdev/Kconfig b/arch/powerpc/sysdev/Kconfig
index d775fd148d13..7b4df37ac381 100644
--- a/arch/powerpc/sysdev/Kconfig
+++ b/arch/powerpc/sysdev/Kconfig
@@ -7,11 +7,18 @@ config PPC4xx_PCI_EXPRESS
         depends on PCI && 4xx
         default n
 
+config PPC4xx_MSI
+        bool
+        depends on PCI_MSI
+        depends on PCI && 4xx
+        default n
+
 config PPC_MSI_BITMAP
         bool
         depends on PCI_MSI
         default y if MPIC
         default y if FSL_PCI
+        default y if PPC4xx_MSI
 
 source "arch/powerpc/sysdev/xics/Kconfig"