17 files changed, 73 insertions, 48 deletions

diff --git a/arch/arm/mach-dove/pcie.c b/arch/arm/mach-dove/pcie.c
index 42e7d22a00f5..6c11a4df7178 100644
--- a/arch/arm/mach-dove/pcie.c
+++ b/arch/arm/mach-dove/pcie.c
@@ -10,7 +10,6 @@
 
 #include <linux/kernel.h>
 #include <linux/pci.h>
-#include <linux/mbus.h>
 #include <video/vga.h>
 #include <asm/mach/pci.h>
 #include <asm/mach/arch.h>
@@ -51,7 +50,7 @@ static int __init dove_pcie_setup(int nr, struct pci_sys_data *sys)
          */
         orion_pcie_set_local_bus_nr(pp->base, sys->busnr);
 
-        orion_pcie_setup(pp->base, &orion_mbus_dram_info);
+        orion_pcie_setup(pp->base);
 
         /*
          * IORESOURCE_IO
diff --git a/arch/arm/mach-kirkwood/mpp.c b/arch/arm/mach-kirkwood/mpp.c
index cc431fa22ccb..0c6ad63f10c7 100644
--- a/arch/arm/mach-kirkwood/mpp.c
+++ b/arch/arm/mach-kirkwood/mpp.c
@@ -10,7 +10,6 @@
 #include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
-#include <linux/mbus.h>
 #include <linux/io.h>
 #include <mach/hardware.h>
 #include <plat/mpp.h>
diff --git a/arch/arm/mach-kirkwood/pcie.c b/arch/arm/mach-kirkwood/pcie.c
index 8def894f3296..fb451bfe478b 100644
--- a/arch/arm/mach-kirkwood/pcie.c
+++ b/arch/arm/mach-kirkwood/pcie.c
@@ -11,7 +11,6 @@
 #include <linux/kernel.h>
 #include <linux/pci.h>
 #include <linux/slab.h>
-#include <linux/mbus.h>
 #include <video/vga.h>
 #include <asm/irq.h>
 #include <asm/mach/pci.h>
@@ -209,7 +208,7 @@ static int __init kirkwood_pcie_setup(int nr, struct pci_sys_data *sys)
          */
         orion_pcie_set_local_bus_nr(pp->base, sys->busnr);
 
-        orion_pcie_setup(pp->base, &orion_mbus_dram_info);
+        orion_pcie_setup(pp->base);
 
         return 1;
 }
diff --git a/arch/arm/mach-mv78xx0/mpp.c b/arch/arm/mach-mv78xx0/mpp.c
index cf4e494d44bf..df50342179e2 100644
--- a/arch/arm/mach-mv78xx0/mpp.c
+++ b/arch/arm/mach-mv78xx0/mpp.c
@@ -10,7 +10,6 @@
 #include <linux/gpio.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
-#include <linux/mbus.h>
 #include <linux/io.h>
 #include <plat/mpp.h>
 #include <mach/hardware.h>
diff --git a/arch/arm/mach-mv78xx0/pcie.c b/arch/arm/mach-mv78xx0/pcie.c
index 9208667c478a..12fcb108b0e1 100644
--- a/arch/arm/mach-mv78xx0/pcie.c
+++ b/arch/arm/mach-mv78xx0/pcie.c
@@ -10,7 +10,6 @@
 
 #include <linux/kernel.h>
 #include <linux/pci.h>
-#include <linux/mbus.h>
 #include <video/vga.h>
 #include <asm/irq.h>
 #include <asm/mach/pci.h>
@@ -154,7 +153,7 @@ static int __init mv78xx0_pcie_setup(int nr, struct pci_sys_data *sys)
          * Generic PCIe unit setup.
          */
         orion_pcie_set_local_bus_nr(pp->base, sys->busnr);
-        orion_pcie_setup(pp->base, &orion_mbus_dram_info);
+        orion_pcie_setup(pp->base);
 
         sys->resource[0] = &pp->res[0];
         sys->resource[1] = &pp->res[1];
diff --git a/arch/arm/mach-orion5x/mpp.c b/arch/arm/mach-orion5x/mpp.c
index b6ddd7a5db6a..5b70026f478c 100644
--- a/arch/arm/mach-orion5x/mpp.c
+++ b/arch/arm/mach-orion5x/mpp.c
@@ -10,7 +10,6 @@
 
 #include <linux/kernel.h>
 #include <linux/init.h>
-#include <linux/mbus.h>
 #include <linux/io.h>
 #include <mach/hardware.h>
 #include <plat/mpp.h>
diff --git a/arch/arm/mach-orion5x/pci.c b/arch/arm/mach-orion5x/pci.c
index ddfa01acdaaa..a494c470e3e4 100644
--- a/arch/arm/mach-orion5x/pci.c
+++ b/arch/arm/mach-orion5x/pci.c
@@ -146,7 +146,7 @@ static int __init pcie_setup(struct pci_sys_data *sys)
         /*
          * Generic PCIe unit setup.
          */
-        orion_pcie_setup(PCIE_BASE, &orion_mbus_dram_info);
+        orion_pcie_setup(PCIE_BASE);
 
         /*
          * Check whether to apply Orion-1/Orion-NAS PCIe config
diff --git a/arch/arm/plat-orion/addr-map.c b/arch/arm/plat-orion/addr-map.c
index c27ad88bc400..367ca89ac403 100644
--- a/arch/arm/plat-orion/addr-map.c
+++ b/arch/arm/plat-orion/addr-map.c
@@ -9,6 +9,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <linux/init.h>
 #include <linux/mbus.h>
 #include <linux/io.h>
@@ -16,6 +17,12 @@
 
 struct mbus_dram_target_info orion_mbus_dram_info;
 
+const struct mbus_dram_target_info *mv_mbus_dram_info(void)
+{
+        return &orion_mbus_dram_info;
+}
+EXPORT_SYMBOL_GPL(mv_mbus_dram_info);
+
 /*
  * DDR target is the same on all Orion platforms.
  */
diff --git a/arch/arm/plat-orion/include/plat/pcie.h b/arch/arm/plat-orion/include/plat/pcie.h
index cc99163e73fd..fe5b9e862747 100644
--- a/arch/arm/plat-orion/include/plat/pcie.h
+++ b/arch/arm/plat-orion/include/plat/pcie.h
@@ -20,8 +20,7 @@ int orion_pcie_x4_mode(void __iomem *base);
 int orion_pcie_get_local_bus_nr(void __iomem *base);
 void orion_pcie_set_local_bus_nr(void __iomem *base, int nr);
 void orion_pcie_reset(void __iomem *base);
-void orion_pcie_setup(void __iomem *base,
-                      struct mbus_dram_target_info *dram);
+void orion_pcie_setup(void __iomem *base);
 int orion_pcie_rd_conf(void __iomem *base, struct pci_bus *bus,
                        u32 devfn, int where, int size, u32 *val);
 int orion_pcie_rd_conf_tlp(void __iomem *base, struct pci_bus *bus,
diff --git a/arch/arm/plat-orion/pcie.c b/arch/arm/plat-orion/pcie.c
index af2d733c50b5..86dbb5bdb172 100644
--- a/arch/arm/plat-orion/pcie.c
+++ b/arch/arm/plat-orion/pcie.c
@@ -13,6 +13,7 @@
 #include <linux/mbus.h>
 #include <asm/mach/pci.h>
 #include <plat/pcie.h>
+#include <plat/addr-map.h>
 #include <linux/delay.h>
 
 /*
@@ -175,8 +176,7 @@ static void __init orion_pcie_setup_wins(void __iomem *base,
         writel(((size - 1) & 0xffff0000) | 1, base + PCIE_BAR_CTRL_OFF(1));
 }
 
-void __init orion_pcie_setup(void __iomem *base,
-                             struct mbus_dram_target_info *dram)
+void __init orion_pcie_setup(void __iomem *base)
 {
         u16 cmd;
         u32 mask;
@@ -184,7 +184,7 @@ void __init orion_pcie_setup(void __iomem *base,
         /*
          * Point PCIe unit MBUS decode windows to DRAM space.
          */
-        orion_pcie_setup_wins(base, dram);
+        orion_pcie_setup_wins(base, &orion_mbus_dram_info);
 
         /*
          * Master + slave enable.
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index 0b8b8b488ee8..38950ea8398a 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -3988,7 +3988,7 @@ static int mv_create_dma_pools(struct mv_host_priv *hpriv, struct device *dev)
 }
 
 static void mv_conf_mbus_windows(struct mv_host_priv *hpriv,
-                                 struct mbus_dram_target_info *dram)
+                                 const struct mbus_dram_target_info *dram)
 {
         int i;
 
@@ -3998,7 +3998,7 @@ static void mv_conf_mbus_windows(struct mv_host_priv *hpriv,
         }
 
         for (i = 0; i < dram->num_cs; i++) {
-                struct mbus_dram_window *cs = dram->cs + i;
+                const struct mbus_dram_window *cs = dram->cs + i;
 
                 writel(((cs->size - 1) & 0xffff0000) |
                         (cs->mbus_attr << 8) |
@@ -4019,6 +4019,7 @@ static void mv_conf_mbus_windows(struct mv_host_priv *hpriv,
 static int mv_platform_probe(struct platform_device *pdev)
 {
         const struct mv_sata_platform_data *mv_platform_data;
+        const struct mbus_dram_target_info *dram;
         const struct ata_port_info *ppi[] =
             { &mv_port_info[chip_soc], NULL };
         struct ata_host *host;
@@ -4072,8 +4073,9 @@ static int mv_platform_probe(struct platform_device *pdev)
         /*
          * (Re-)program MBUS remapping windows if we are asked to.
          */
-        if (mv_platform_data->dram != NULL)
-                mv_conf_mbus_windows(hpriv, mv_platform_data->dram);
+        dram = mv_mbus_dram_info();
+        if (dram)
+                mv_conf_mbus_windows(hpriv, dram);
 
         rc = mv_create_dma_pools(hpriv, &pdev->dev);
         if (rc)
@@ -4141,17 +4143,18 @@ static int mv_platform_suspend(struct platform_device *pdev, pm_message_t state)
 static int mv_platform_resume(struct platform_device *pdev)
 {
         struct ata_host *host = platform_get_drvdata(pdev);
+        const struct mbus_dram_target_info *dram;
         int ret;
 
         if (host) {
                 struct mv_host_priv *hpriv = host->private_data;
-                const struct mv_sata_platform_data *mv_platform_data = \
-                        pdev->dev.platform_data;
+
                 /*
                  * (Re-)program MBUS remapping windows if we are asked to.
                  */
-                if (mv_platform_data->dram != NULL)
-                        mv_conf_mbus_windows(hpriv, mv_platform_data->dram);
+                dram = mv_mbus_dram_info();
+                if (dram)
+                        mv_conf_mbus_windows(hpriv, dram);
 
                 /* initialize adapter */
                 ret = mv_init_host(host);
diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index 9a353c2216d0..e779b434af45 100644
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -1250,7 +1250,7 @@ static int __devinit mv_xor_probe(struct platform_device *pdev)
 
 static void
 mv_xor_conf_mbus_windows(struct mv_xor_shared_private *msp,
-                         struct mbus_dram_target_info *dram)
+                         const struct mbus_dram_target_info *dram)
 {
         void __iomem *base = msp->xor_base;
         u32 win_enable = 0;
@@ -1264,7 +1264,7 @@ mv_xor_conf_mbus_windows(struct mv_xor_shared_private *msp,
         }
 
         for (i = 0; i < dram->num_cs; i++) {
-                struct mbus_dram_window *cs = dram->cs + i;
+                const struct mbus_dram_window *cs = dram->cs + i;
 
                 writel((cs->base & 0xffff0000) |
                        (cs->mbus_attr << 8) |
@@ -1290,7 +1290,7 @@ static struct platform_driver mv_xor_driver = {
 
 static int mv_xor_shared_probe(struct platform_device *pdev)
 {
-        struct mv_xor_platform_shared_data *msd = pdev->dev.platform_data;
+        const struct mbus_dram_target_info *dram;
         struct mv_xor_shared_private *msp;
         struct resource *res;
 
@@ -1323,8 +1323,9 @@ static int mv_xor_shared_probe(struct platform_device *pdev)
         /*
          * (Re-)program MBUS remapping windows if we are asked to.
          */
-        if (msd != NULL && msd->dram != NULL)
-                mv_xor_conf_mbus_windows(msp, msd->dram);
+        dram = mv_mbus_dram_info();
+        if (dram)
+                mv_xor_conf_mbus_windows(msp, dram);
 
         return 0;
 }
diff --git a/drivers/mmc/host/mvsdio.c b/drivers/mmc/host/mvsdio.c
index 211a4959c293..eeb8cd125b0c 100644
--- a/drivers/mmc/host/mvsdio.c
+++ b/drivers/mmc/host/mvsdio.c
@@ -679,8 +679,9 @@ static const struct mmc_host_ops mvsd_ops = {
         .enable_sdio_irq        = mvsd_enable_sdio_irq,
 };
 
-static void __init mv_conf_mbus_windows(struct mvsd_host *host,
-                                        struct mbus_dram_target_info *dram)
+static void __init
+mv_conf_mbus_windows(struct mvsd_host *host,
+                     const struct mbus_dram_target_info *dram)
 {
         void __iomem *iobase = host->base;
         int i;
@@ -691,7 +692,7 @@ static void __init mv_conf_mbus_windows(struct mvsd_host *host,
         }
 
         for (i = 0; i < dram->num_cs; i++) {
-                struct mbus_dram_window *cs = dram->cs + i;
+                const struct mbus_dram_window *cs = dram->cs + i;
                 writel(((cs->size - 1) & 0xffff0000) |
                        (cs->mbus_attr << 8) |
                        (dram->mbus_dram_target_id << 4) | 1,
@@ -705,6 +706,7 @@ static int __init mvsd_probe(struct platform_device *pdev)
         struct mmc_host *mmc = NULL;
         struct mvsd_host *host = NULL;
         const struct mvsdio_platform_data *mvsd_data;
+        const struct mbus_dram_target_info *dram;
         struct resource *r;
         int ret, irq;
 
@@ -755,8 +757,9 @@ static int __init mvsd_probe(struct platform_device *pdev)
         }
 
         /* (Re-)program MBUS remapping windows if we are asked to. */
-        if (mvsd_data->dram != NULL)
-                mv_conf_mbus_windows(host, mvsd_data->dram);
+        dram = mv_mbus_dram_info();
+        if (dram)
+                mv_conf_mbus_windows(host, dram);
 
         mvsd_power_down(host);
 
diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c
index 194a03113802..e93be7954a19 100644
--- a/drivers/net/ethernet/marvell/mv643xx_eth.c
+++ b/drivers/net/ethernet/marvell/mv643xx_eth.c
@@ -2509,7 +2509,7 @@ static void mv643xx_eth_netpoll(struct net_device *dev)
 /* platform glue ************************************************************/
 static void
 mv643xx_eth_conf_mbus_windows(struct mv643xx_eth_shared_private *msp,
-                              struct mbus_dram_target_info *dram)
+                              const struct mbus_dram_target_info *dram)
 {
         void __iomem *base = msp->base;
         u32 win_enable;
@@ -2527,7 +2527,7 @@ mv643xx_eth_conf_mbus_windows(struct mv643xx_eth_shared_private *msp,
         win_protect = 0;
 
         for (i = 0; i < dram->num_cs; i++) {
-                struct mbus_dram_window *cs = dram->cs + i;
+                const struct mbus_dram_window *cs = dram->cs + i;
 
                 writel((cs->base & 0xffff0000) |
                         (cs->mbus_attr << 8) |
@@ -2577,6 +2577,7 @@ static int mv643xx_eth_shared_probe(struct platform_device *pdev)
         static int mv643xx_eth_version_printed;
         struct mv643xx_eth_shared_platform_data *pd = pdev->dev.platform_data;
         struct mv643xx_eth_shared_private *msp;
+        const struct mbus_dram_target_info *dram;
         struct resource *res;
         int ret;
 
@@ -2641,8 +2642,9 @@ static int mv643xx_eth_shared_probe(struct platform_device *pdev)
         /*
          * (Re-)program MBUS remapping windows if we are asked to.
          */
-        if (pd != NULL && pd->dram != NULL)
-                mv643xx_eth_conf_mbus_windows(msp, pd->dram);
+        dram = mv_mbus_dram_info();
+        if (dram)
+                mv643xx_eth_conf_mbus_windows(msp, dram);
 
         /*
          * Detect hardware parameters.
diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c
index a68a2a5c4b83..6c6a5a3b4ea7 100644
--- a/drivers/usb/host/ehci-orion.c
+++ b/drivers/usb/host/ehci-orion.c
@@ -172,7 +172,7 @@ static const struct hc_driver ehci_orion_hc_driver = {
 
 static void __init
 ehci_orion_conf_mbus_windows(struct usb_hcd *hcd,
-                                struct mbus_dram_target_info *dram)
+                             const struct mbus_dram_target_info *dram)
 {
         int i;
 
@@ -182,7 +182,7 @@ ehci_orion_conf_mbus_windows(struct usb_hcd *hcd,
         }
 
         for (i = 0; i < dram->num_cs; i++) {
-                struct mbus_dram_window *cs = dram->cs + i;
+                const struct mbus_dram_window *cs = dram->cs + i;
 
                 wrl(USB_WINDOW_CTRL(i), ((cs->size - 1) & 0xffff0000) |
                                         (cs->mbus_attr << 8) |
@@ -194,6 +194,7 @@ ehci_orion_conf_mbus_windows(struct usb_hcd *hcd,
 static int __devinit ehci_orion_drv_probe(struct platform_device *pdev)
 {
         struct orion_ehci_data *pd = pdev->dev.platform_data;
+        const struct mbus_dram_target_info *dram;
         struct resource *res;
         struct usb_hcd *hcd;
         struct ehci_hcd *ehci;
@@ -259,8 +260,9 @@ static int __devinit ehci_orion_drv_probe(struct platform_device *pdev)
         /*
          * (Re-)program MBUS remapping windows if we are asked to.
          */
-        if (pd != NULL && pd->dram != NULL)
-                ehci_orion_conf_mbus_windows(hcd, pd->dram);
+        dram = mv_mbus_dram_info();
+        if (dram)
+                ehci_orion_conf_mbus_windows(hcd, dram);
 
         /*
          * setup Orion USB controller.
diff --git a/include/linux/mbus.h b/include/linux/mbus.h
index c11ff2932549..efa1a6d7aca8 100644
--- a/include/linux/mbus.h
+++ b/include/linux/mbus.h
@@ -32,5 +32,16 @@ struct mbus_dram_target_info
         } cs[4];
 };
 
-
+/*
+ * The Marvell mbus is to be found only on SOCs from the Orion family
+ * at the moment.  Provide a dummy stub for other architectures.
+ */
+#ifdef CONFIG_PLAT_ORION
+extern const struct mbus_dram_target_info *mv_mbus_dram_info(void);
+#else
+static inline const struct mbus_dram_target_info *mv_mbus_dram_info(void)
+{
+        return NULL;
+}
+#endif
 #endif
diff --git a/sound/soc/kirkwood/kirkwood-dma.c b/sound/soc/kirkwood/kirkwood-dma.c
index cd33de1c5b7a..df12e0993f5a 100644
--- a/sound/soc/kirkwood/kirkwood-dma.c
+++ b/sound/soc/kirkwood/kirkwood-dma.c
@@ -94,9 +94,10 @@ static irqreturn_t kirkwood_dma_irq(int irq, void *dev_id)
         return IRQ_HANDLED;
 }
 
-static void kirkwood_dma_conf_mbus_windows(void __iomem *base, int win,
-                                        unsigned long dma,
-                                        struct mbus_dram_target_info *dram)
+static void
+kirkwood_dma_conf_mbus_windows(void __iomem *base, int win,
+                               unsigned long dma,
+                               const struct mbus_dram_target_info *dram)
 {
         int i;
 
@@ -106,7 +107,7 @@ static void kirkwood_dma_conf_mbus_windows(void __iomem *base, int win,
 
         /* try to find matching cs for current dma address */
         for (i = 0; i < dram->num_cs; i++) {
-                struct mbus_dram_window *cs = dram->cs + i;
+                const struct mbus_dram_window *cs = dram->cs + i;
                 if ((cs->base & 0xffff0000) < (dma & 0xffff0000)) {
                         writel(cs->base & 0xffff0000,
                                 base + KIRKWOOD_AUDIO_WIN_BASE_REG(win));
@@ -127,6 +128,7 @@ static int kirkwood_dma_open(struct snd_pcm_substream *substream)
         struct snd_soc_dai *cpu_dai = soc_runtime->cpu_dai;
         struct kirkwood_dma_data *priv;
         struct kirkwood_dma_priv *prdata = snd_soc_platform_get_drvdata(platform);
+        const struct mbus_dram_target_info *dram;
         unsigned long addr;
 
         priv = snd_soc_dai_get_dma_data(cpu_dai, substream);
@@ -175,15 +177,16 @@ static int kirkwood_dma_open(struct snd_pcm_substream *substream)
                 writel((unsigned long)-1, priv->io + KIRKWOOD_ERR_MASK);
         }
 
+        dram = mv_mbus_dram_info();
         addr = virt_to_phys(substream->dma_buffer.area);
         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
                 prdata->play_stream = substream;
                 kirkwood_dma_conf_mbus_windows(priv->io,
-                        KIRKWOOD_PLAYBACK_WIN, addr, priv->dram);
+                        KIRKWOOD_PLAYBACK_WIN, addr, dram);
         } else {
                 prdata->rec_stream = substream;
                 kirkwood_dma_conf_mbus_windows(priv->io,
-                        KIRKWOOD_RECORD_WIN, addr, priv->dram);
+                        KIRKWOOD_RECORD_WIN, addr, dram);
         }
 
         return 0;