omap: Use ioremap in dispc.c

Use ioremap in dispc.c

Cc: Imre Deak <imre.deak@nokia.com>
Cc: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 17 insertions, 3 deletions

diff --git a/drivers/video/omap/dispc.c b/drivers/video/omap/dispc.c
index f16e42154229..6f957ceee084 100644
--- a/drivers/video/omap/dispc.c
+++ b/drivers/video/omap/dispc.c
@@ -204,6 +204,7 @@ static u32 inline dispc_read_reg(int idx)
 /* Select RFBI or bypass mode */
 static void enable_rfbi_mode(int enable)
 {
+        void __iomem *rfbi_control;
         u32 l;
 
         l = dispc_read_reg(DISPC_CONTROL);
@@ -216,9 +217,15 @@ static void enable_rfbi_mode(int enable)
         dispc_write_reg(DISPC_CONTROL, l);
 
         /* Set bypass mode in RFBI module */
-        l = __raw_readl(OMAP2_IO_ADDRESS(RFBI_CONTROL));
+        rfbi_control = ioremap(RFBI_CONTROL, SZ_1K);
+        if (!rfbi_control) {
+                pr_err("Unable to ioremap rfbi_control\n");
+                return;
+        }
+        l = __raw_readl(rfbi_control);
         l |= enable ? 0 : (1 << 1);
-        __raw_writel(l, OMAP2_IO_ADDRESS(RFBI_CONTROL));
+        __raw_writel(l, rfbi_control);
+        iounmap(rfbi_control);
 }
 
 static void set_lcd_data_lines(int data_lines)
@@ -1367,6 +1374,7 @@ static int omap_dispc_init(struct omapfb_device *fbdev, int ext_mode,
         int r;
         u32 l;
         struct lcd_panel *panel = fbdev->panel;
+        void __iomem *ram_fw_base;
         int tmo = 10000;
         int skip_init = 0;
         int i;
@@ -1441,7 +1449,13 @@ static int omap_dispc_init(struct omapfb_device *fbdev, int ext_mode,
         }
 
         /* L3 firewall setting: enable access to OCM RAM */
-        __raw_writel(0x402000b0, OMAP2_IO_ADDRESS(0x680050a0));
+        ram_fw_base = ioremap(0x68005000, SZ_1K);
+        if (!ram_fw_base) {
+                dev_err(dispc.fbdev->dev, "Cannot ioremap to enable OCM RAM\n");
+                goto fail1;
+        }
+        __raw_writel(0x402000b0, ram_fw_base + 0xa0);
+        iounmap(ram_fw_base);
 
         if ((r = alloc_palette_ram()) < 0)
                 goto fail2;