sparc,leon: support for GRPCI1 PCI host bridge controller

Some of the GRPCI1 cores does not support detection of all PCI
errors, the default is therefore limited PCI error handling.
The property all_pci_errors my be set by the boot loader to
enable interrupt on all PCI errors.

Signed-off-by: Daniel Hellstrom <daniel@gaisler.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc/Kconfig

@@ -494,6 +494,17 @@ config LEON_PCI
 	depends on PCI && SPARC_LEON
 	default y
 
+config SPARC_GRPCI1
+	bool "GRPCI Host Bridge Support"
+	depends on LEON_PCI
+	default y
+	help
+	  Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
+	  PCI host controller is typically found in GRLIB SPARC32/LEON
+	  systems. The driver has one property (all_pci_errors) controlled
+	  from the bootloader that makes the GRPCI to generate interrupts
+	  on detected PCI Parity and System errors.
+
 config GRPCI2
 	bool "GRPCI2 Host Bridge Support"
 	depends on LEON_PCI