2 files changed, 5 insertions, 1 deletions

diff --git a/arch/frv/mb93090-mb00/pci-vdk.c b/arch/frv/mb93090-mb00/pci-vdk.c
index 0b581e3cf7c7..6d51f133fb23 100644
--- a/arch/frv/mb93090-mb00/pci-vdk.c
+++ b/arch/frv/mb93090-mb00/pci-vdk.c
@@ -400,7 +400,8 @@ int __init pcibios_init(void)
         __reg_MB86943_pci_sl_mem_base   = __region_CS2 + 0x08000000;
         mb();
 
-        *(volatile unsigned long *)(__region_CS2+0x01300014) == 1;
+        /* enable PCI arbitration */
+        __reg_MB86943_pci_arbiter       = MB86943_PCIARB_EN;
 
         ioport_resource.start   = (__reg_MB86943_sl_pci_io_base << 9) & 0xfffffc00;
         ioport_resource.end     = (__reg_MB86943_sl_pci_io_range << 9) | 0x3ff;
diff --git a/include/asm-frv/mb86943a.h b/include/asm-frv/mb86943a.h
index b89fd0b56bb3..e87ef924bfb4 100644
--- a/include/asm-frv/mb86943a.h
+++ b/include/asm-frv/mb86943a.h
@@ -36,4 +36,7 @@
 #define __reg_MB86943_pci_sl_io_base    *(volatile uint32_t *) (__region_CS1 + 0x70)
 #define __reg_MB86943_pci_sl_mem_base   *(volatile uint32_t *) (__region_CS1 + 0x78)
 
+#define __reg_MB86943_pci_arbiter       *(volatile uint32_t *) (__region_CS2 + 0x01300014)
+#define MB86943_PCIARB_EN               0x00000001
+
 #endif /* _ASM_MB86943A_H */