1 files changed, 16 insertions, 0 deletions

diff --git a/arch/arm/mach-iop13xx/pci.c b/arch/arm/mach-iop13xx/pci.c
index d1d0d32ca77c..1c9e94c38b7e 100644
--- a/arch/arm/mach-iop13xx/pci.c
+++ b/arch/arm/mach-iop13xx/pci.c
@@ -559,6 +559,14 @@ void __init iop13xx_atue_setup(void)
         int func = iop13xx_atu_function(IOP13XX_INIT_ATU_ATUE);
         u32 reg_val;
 
+#ifdef CONFIG_PCI_MSI
+        /* BAR 0 (inbound msi window) */
+        __raw_writel(IOP13XX_MU_BASE_PHYS, IOP13XX_MU_MUBAR);
+        __raw_writel(~(IOP13XX_MU_WINDOW_SIZE - 1), IOP13XX_ATUE_IALR0);
+        __raw_writel(IOP13XX_MU_BASE_PHYS, IOP13XX_ATUE_IATVR0);
+        __raw_writel(IOP13XX_MU_BASE_PCI, IOP13XX_ATUE_IABAR0);
+#endif
+
         /* BAR 1 (1:1 mapping with Physical RAM) */
         /* Set limit and enable */
         __raw_writel(~(IOP13XX_MAX_RAM_SIZE - PHYS_OFFSET - 1) & ~0x1,
@@ -720,6 +728,14 @@ void __init iop13xx_atux_setup(void)
         else
                 atux_trhfa_timeout = jiffies;
 
+#ifdef CONFIG_PCI_MSI
+        /* BAR 0 (inbound msi window) */
+        __raw_writel(IOP13XX_MU_BASE_PHYS, IOP13XX_MU_MUBAR);
+        __raw_writel(~(IOP13XX_MU_WINDOW_SIZE - 1), IOP13XX_ATUX_IALR0);
+        __raw_writel(IOP13XX_MU_BASE_PHYS, IOP13XX_ATUX_IATVR0);
+        __raw_writel(IOP13XX_MU_BASE_PCI, IOP13XX_ATUX_IABAR0);
+#endif
+
         /* BAR 1 (1:1 mapping with Physical RAM) */
         /* Set limit and enable */
         __raw_writel(~(IOP13XX_MAX_RAM_SIZE - PHYS_OFFSET - 1) & ~0x1,